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引入 websocket sharp

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This commit is contained in:
zhangyazhou
2022-03-14 14:04:39 +08:00
parent 2d0fe5aafb
commit fcb553bfe4
85 changed files with 32965 additions and 11 deletions
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6
WebSocketTool.sln
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@@ -5,6 +5,8 @@ VisualStudioVersion = 17.0.31912.275
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WebSocketTool", "WebSocketTool\WebSocketTool.csproj", "{1002416D-BE37-48F3-97FA-630D37C5FC91}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "websocket-sharp", "websocket-sharp\websocket-sharp.csproj", "{B357BAC7-529E-4D81-A0D2-71041B19C8DE}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
{1002416D-BE37-48F3-97FA-630D37C5FC91}.Debug|Any CPU.Build.0 = Debug|Any CPU
{1002416D-BE37-48F3-97FA-630D37C5FC91}.Release|Any CPU.ActiveCfg = Release|Any CPU
{1002416D-BE37-48F3-97FA-630D37C5FC91}.Release|Any CPU.Build.0 = Release|Any CPU
{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B357BAC7-529E-4D81-A0D2-71041B19C8DE}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

17
WebSocketTool/WebSocketTool.csproj
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@@ -34,17 +34,6 @@
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
<ProjectReference Include="..\..\websocket-sharp\websocket-sharp\websocket-sharp.csproj">
<Project>{b357bac7-529e-4d81-a0d2-71041b19c8de}</Project>
<Name>websocket-sharp</Name>
</ProjectReference>
</ItemGroup>
<ItemGroup Condition=" '$(Configuration)' == 'Release' ">
<Reference Include="websocket-sharp">
<HintPath>..\libs\websocket-sharp.dll</HintPath>
</Reference>
</ItemGroup>
<ItemGroup>
<Reference Include="log4net">
<HintPath>..\libs\log4net.dll</HintPath>
@@ -133,5 +122,11 @@
<ItemGroup>
<None Include="App.config" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\websocket-sharp\websocket-sharp.csproj">
<Project>{b357bac7-529e-4d81-a0d2-71041b19c8de}</Project>
<Name>websocket-sharp</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
</Project>

26
websocket-sharp/AssemblyInfo.cs Normal file
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@@ -0,0 +1,26 @@
using System.Reflection;
using System.Runtime.CompilerServices;
// Information about this assembly is defined by the following attributes.
// Change them to the values specific to your project.
[assembly: AssemblyTitle("websocket-sharp")]
[assembly: AssemblyDescription("A C# implementation of the WebSocket protocol client and server")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("websocket-sharp.dll")]
[assembly: AssemblyCopyright("sta.blockhead")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
// The form "{Major}.{Minor}.*" will automatically update the build and revision,
// and "{Major}.{Minor}.{Build}.*" will update just the revision.
[assembly: AssemblyVersion("1.0.2.*")]
// The following attributes are used to specify the signing key for the assembly,
// if desired. See the Mono documentation for more information about signing.
//[assembly: AssemblyDelaySign(false)]
//[assembly: AssemblyKeyFile("")]

47
websocket-sharp/ByteOrder.cs Normal file
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@@ -0,0 +1,47 @@
#region License
/*
* ByteOrder.cs
*
* The MIT License
*
* Copyright (c) 2012-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Specifies the byte order.
/// </summary>
public enum ByteOrder
{
/// <summary>
/// Specifies Little-endian.
/// </summary>
Little,
/// <summary>
/// Specifies Big-endian.
/// </summary>
Big
}
}

113
websocket-sharp/CloseEventArgs.cs Normal file
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@@ -0,0 +1,113 @@
#region License
/*
* CloseEventArgs.cs
*
* The MIT License
*
* Copyright (c) 2012-2019 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Represents the event data for the <see cref="WebSocket.OnClose"/> event.
/// </summary>
/// <remarks>
/// <para>
/// That event occurs when the WebSocket connection has been closed.
/// </para>
/// <para>
/// If you would like to get the reason for the connection close, you should
/// access the <see cref="Code"/> or <see cref="Reason"/> property.
/// </para>
/// </remarks>
public class CloseEventArgs : EventArgs
{
#region Private Fields
private bool _clean;
private PayloadData _payloadData;
#endregion
#region Internal Constructors
internal CloseEventArgs (PayloadData payloadData, bool clean)
{
_payloadData = payloadData;
_clean = clean;
}
internal CloseEventArgs (ushort code, string reason, bool clean)
{
_payloadData = new PayloadData (code, reason);
_clean = clean;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the status code for the connection close.
/// </summary>
/// <value>
/// A <see cref="ushort"/> that represents the status code for
/// the connection close if present.
/// </value>
public ushort Code {
get {
return _payloadData.Code;
}
}
/// <summary>
/// Gets the reason for the connection close.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the reason for
/// the connection close if present.
/// </value>
public string Reason {
get {
return _payloadData.Reason;
}
}
/// <summary>
/// Gets a value indicating whether the connection has been closed cleanly.
/// </summary>
/// <value>
/// <c>true</c> if the connection has been closed cleanly; otherwise,
/// <c>false</c>.
/// </value>
public bool WasClean {
get {
return _clean;
}
}
#endregion
}
}

120
websocket-sharp/CloseStatusCode.cs Normal file
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@@ -0,0 +1,120 @@
#region License
/*
* CloseStatusCode.cs
*
* The MIT License
*
* Copyright (c) 2012-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Indicates the status code for the WebSocket connection close.
/// </summary>
/// <remarks>
/// <para>
/// The values of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc6455#section-7.4">
/// Section 7.4</see> of RFC 6455.
/// </para>
/// <para>
/// "Reserved value" cannot be sent as a status code in
/// closing handshake by an endpoint.
/// </para>
/// </remarks>
public enum CloseStatusCode : ushort
{
/// <summary>
/// Equivalent to close status 1000. Indicates normal close.
/// </summary>
Normal = 1000,
/// <summary>
/// Equivalent to close status 1001. Indicates that an endpoint is
/// going away.
/// </summary>
Away = 1001,
/// <summary>
/// Equivalent to close status 1002. Indicates that an endpoint is
/// terminating the connection due to a protocol error.
/// </summary>
ProtocolError = 1002,
/// <summary>
/// Equivalent to close status 1003. Indicates that an endpoint is
/// terminating the connection because it has received a type of
/// data that it cannot accept.
/// </summary>
UnsupportedData = 1003,
/// <summary>
/// Equivalent to close status 1004. Still undefined. A Reserved value.
/// </summary>
Undefined = 1004,
/// <summary>
/// Equivalent to close status 1005. Indicates that no status code was
/// actually present. A Reserved value.
/// </summary>
NoStatus = 1005,
/// <summary>
/// Equivalent to close status 1006. Indicates that the connection was
/// closed abnormally. A Reserved value.
/// </summary>
Abnormal = 1006,
/// <summary>
/// Equivalent to close status 1007. Indicates that an endpoint is
/// terminating the connection because it has received a message that
/// contains data that is not consistent with the type of the message.
/// </summary>
InvalidData = 1007,
/// <summary>
/// Equivalent to close status 1008. Indicates that an endpoint is
/// terminating the connection because it has received a message that
/// violates its policy.
/// </summary>
PolicyViolation = 1008,
/// <summary>
/// Equivalent to close status 1009. Indicates that an endpoint is
/// terminating the connection because it has received a message that
/// is too big to process.
/// </summary>
TooBig = 1009,
/// <summary>
/// Equivalent to close status 1010. Indicates that a client is
/// terminating the connection because it has expected the server to
/// negotiate one or more extension, but the server did not return
/// them in the handshake response.
/// </summary>
MandatoryExtension = 1010,
/// <summary>
/// Equivalent to close status 1011. Indicates that a server is
/// terminating the connection because it has encountered an unexpected
/// condition that prevented it from fulfilling the request.
/// </summary>
ServerError = 1011,
/// <summary>
/// Equivalent to close status 1015. Indicates that the connection was
/// closed due to a failure to perform a TLS handshake. A Reserved value.
/// </summary>
TlsHandshakeFailure = 1015
}
}

52
websocket-sharp/CompressionMethod.cs Normal file
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@@ -0,0 +1,52 @@
#region License
/*
* CompressionMethod.cs
*
* The MIT License
*
* Copyright (c) 2013-2017 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Specifies the method for compression.
/// </summary>
/// <remarks>
/// The methods are defined in
/// <see href="https://tools.ietf.org/html/rfc7692">
/// Compression Extensions for WebSocket</see>.
/// </remarks>
public enum CompressionMethod : byte
{
/// <summary>
/// Specifies no compression.
/// </summary>
None,
/// <summary>
/// Specifies DEFLATE.
/// </summary>
Deflate
}
}

109
websocket-sharp/ErrorEventArgs.cs Normal file
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@@ -0,0 +1,109 @@
#region License
/*
* ErrorEventArgs.cs
*
* The MIT License
*
* Copyright (c) 2012-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Contributors
/*
* Contributors:
* - Frank Razenberg <frank@zzattack.org>
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Represents the event data for the <see cref="WebSocket.OnError"/> event.
/// </summary>
/// <remarks>
/// <para>
/// That event occurs when the <see cref="WebSocket"/> gets an error.
/// </para>
/// <para>
/// If you would like to get the error message, you should access
/// the <see cref="ErrorEventArgs.Message"/> property.
/// </para>
/// <para>
/// And if the error is due to an exception, you can get it by accessing
/// the <see cref="ErrorEventArgs.Exception"/> property.
/// </para>
/// </remarks>
public class ErrorEventArgs : EventArgs
{
#region Private Fields
private Exception _exception;
private string _message;
#endregion
#region Internal Constructors
internal ErrorEventArgs (string message)
: this (message, null)
{
}
internal ErrorEventArgs (string message, Exception exception)
{
_message = message;
_exception = exception;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the exception that caused the error.
/// </summary>
/// <value>
/// An <see cref="System.Exception"/> instance that represents the cause of
/// the error if it is due to an exception; otherwise, <see langword="null"/>.
/// </value>
public Exception Exception {
get {
return _exception;
}
}
/// <summary>
/// Gets the error message.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the error message.
/// </value>
public string Message {
get {
return _message;
}
}
#endregion
}
}

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51
websocket-sharp/Fin.cs Normal file
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#region License
/*
* Fin.cs
*
* The MIT License
*
* Copyright (c) 2012-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Indicates whether a WebSocket frame is the final frame of a message.
/// </summary>
/// <remarks>
/// The values of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc6455#section-5.2">Section 5.2</see> of RFC 6455.
/// </remarks>
internal enum Fin : byte
{
/// <summary>
/// Equivalent to numeric value 0. Indicates more frames of a message follow.
/// </summary>
More = 0x0,
/// <summary>
/// Equivalent to numeric value 1. Indicates the final frame of a message.
/// </summary>
Final = 0x1
}
}

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websocket-sharp/HttpBase.cs Normal file
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@@ -0,0 +1,208 @@
#region License
/*
* HttpBase.cs
*
* The MIT License
*
* Copyright (c) 2012-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Text;
using System.Threading;
using WebSocketSharp.Net;
namespace WebSocketSharp
{
internal abstract class HttpBase
{
#region Private Fields
private NameValueCollection _headers;
private const int _headersMaxLength = 8192;
private Version _version;
#endregion
#region Internal Fields
internal byte[] EntityBodyData;
#endregion
#region Protected Fields
protected const string CrLf = "\r\n";
#endregion
#region Protected Constructors
protected HttpBase (Version version, NameValueCollection headers)
{
_version = version;
_headers = headers;
}
#endregion
#region Public Properties
public string EntityBody {
get {
if (EntityBodyData == null || EntityBodyData.LongLength == 0)
return String.Empty;
Encoding enc = null;
var contentType = _headers["Content-Type"];
if (contentType != null && contentType.Length > 0)
enc = HttpUtility.GetEncoding (contentType);
return (enc ?? Encoding.UTF8).GetString (EntityBodyData);
}
}
public NameValueCollection Headers {
get {
return _headers;
}
}
public Version ProtocolVersion {
get {
return _version;
}
}
#endregion
#region Private Methods
private static byte[] readEntityBody (Stream stream, string length)
{
long len;
if (!Int64.TryParse (length, out len))
throw new ArgumentException ("Cannot be parsed.", "length");
if (len < 0)
throw new ArgumentOutOfRangeException ("length", "Less than zero.");
return len > 1024
? stream.ReadBytes (len, 1024)
: len > 0
? stream.ReadBytes ((int) len)
: null;
}
private static string[] readHeaders (Stream stream, int maxLength)
{
var buff = new List<byte> ();
var cnt = 0;
Action<int> add = i => {
if (i == -1)
throw new EndOfStreamException ("The header cannot be read from the data source.");
buff.Add ((byte) i);
cnt++;
};
var read = false;
while (cnt < maxLength) {
if (stream.ReadByte ().EqualsWith ('\r', add) &&
stream.ReadByte ().EqualsWith ('\n', add) &&
stream.ReadByte ().EqualsWith ('\r', add) &&
stream.ReadByte ().EqualsWith ('\n', add)) {
read = true;
break;
}
}
if (!read)
throw new WebSocketException ("The length of header part is greater than the max length.");
return Encoding.UTF8.GetString (buff.ToArray ())
.Replace (CrLf + " ", " ")
.Replace (CrLf + "\t", " ")
.Split (new[] { CrLf }, StringSplitOptions.RemoveEmptyEntries);
}
#endregion
#region Protected Methods
protected static T Read<T> (Stream stream, Func<string[], T> parser, int millisecondsTimeout)
where T : HttpBase
{
var timeout = false;
var timer = new Timer (
state => {
timeout = true;
stream.Close ();
},
null,
millisecondsTimeout,
-1);
T http = null;
Exception exception = null;
try {
http = parser (readHeaders (stream, _headersMaxLength));
var contentLen = http.Headers["Content-Length"];
if (contentLen != null && contentLen.Length > 0)
http.EntityBodyData = readEntityBody (stream, contentLen);
}
catch (Exception ex) {
exception = ex;
}
finally {
timer.Change (-1, -1);
timer.Dispose ();
}
var msg = timeout
? "A timeout has occurred while reading an HTTP request/response."
: exception != null
? "An exception has occurred while reading an HTTP request/response."
: null;
if (msg != null)
throw new WebSocketException (msg, exception);
return http;
}
#endregion
#region Public Methods
public byte[] ToByteArray ()
{
return Encoding.UTF8.GetBytes (ToString ());
}
#endregion
}
}

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#region License
/*
* HttpRequest.cs
*
* The MIT License
*
* Copyright (c) 2012-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Contributors
/*
* Contributors:
* - David Burhans
*/
#endregion
using System;
using System.Collections.Specialized;
using System.IO;
using System.Text;
using WebSocketSharp.Net;
namespace WebSocketSharp
{
internal class HttpRequest : HttpBase
{
#region Private Fields
private CookieCollection _cookies;
private string _method;
private string _uri;
#endregion
#region Private Constructors
private HttpRequest (string method, string uri, Version version, NameValueCollection headers)
: base (version, headers)
{
_method = method;
_uri = uri;
}
#endregion
#region Internal Constructors
internal HttpRequest (string method, string uri)
: this (method, uri, HttpVersion.Version11, new NameValueCollection ())
{
Headers["User-Agent"] = "websocket-sharp/1.0";
}
#endregion
#region Public Properties
public AuthenticationResponse AuthenticationResponse {
get {
var res = Headers["Authorization"];
return res != null && res.Length > 0
? AuthenticationResponse.Parse (res)
: null;
}
}
public CookieCollection Cookies {
get {
if (_cookies == null)
_cookies = Headers.GetCookies (false);
return _cookies;
}
}
public string HttpMethod {
get {
return _method;
}
}
public bool IsWebSocketRequest {
get {
return _method == "GET"
&& ProtocolVersion > HttpVersion.Version10
&& Headers.Upgrades ("websocket");
}
}
public string RequestUri {
get {
return _uri;
}
}
#endregion
#region Internal Methods
internal static HttpRequest CreateConnectRequest (Uri uri)
{
var host = uri.DnsSafeHost;
var port = uri.Port;
var authority = String.Format ("{0}:{1}", host, port);
var req = new HttpRequest ("CONNECT", authority);
req.Headers["Host"] = port == 80 ? host : authority;
return req;
}
internal static HttpRequest CreateWebSocketRequest (Uri uri)
{
var req = new HttpRequest ("GET", uri.PathAndQuery);
var headers = req.Headers;
// Only includes a port number in the Host header value if it's non-default.
// See: https://tools.ietf.org/html/rfc6455#page-17
var port = uri.Port;
var schm = uri.Scheme;
headers["Host"] = (port == 80 && schm == "ws") || (port == 443 && schm == "wss")
? uri.DnsSafeHost
: uri.Authority;
headers["Upgrade"] = "websocket";
headers["Connection"] = "Upgrade";
return req;
}
internal HttpResponse GetResponse (Stream stream, int millisecondsTimeout)
{
var buff = ToByteArray ();
stream.Write (buff, 0, buff.Length);
return Read<HttpResponse> (stream, HttpResponse.Parse, millisecondsTimeout);
}
internal static HttpRequest Parse (string[] headerParts)
{
var requestLine = headerParts[0].Split (new[] { ' ' }, 3);
if (requestLine.Length != 3)
throw new ArgumentException ("Invalid request line: " + headerParts[0]);
var headers = new WebHeaderCollection ();
for (int i = 1; i < headerParts.Length; i++)
headers.InternalSet (headerParts[i], false);
return new HttpRequest (
requestLine[0], requestLine[1], new Version (requestLine[2].Substring (5)), headers);
}
internal static HttpRequest Read (Stream stream, int millisecondsTimeout)
{
return Read<HttpRequest> (stream, Parse, millisecondsTimeout);
}
#endregion
#region Public Methods
public void SetCookies (CookieCollection cookies)
{
if (cookies == null || cookies.Count == 0)
return;
var buff = new StringBuilder (64);
foreach (var cookie in cookies.Sorted)
if (!cookie.Expired)
buff.AppendFormat ("{0}; ", cookie.ToString ());
var len = buff.Length;
if (len > 2) {
buff.Length = len - 2;
Headers["Cookie"] = buff.ToString ();
}
}
public override string ToString ()
{
var output = new StringBuilder (64);
output.AppendFormat ("{0} {1} HTTP/{2}{3}", _method, _uri, ProtocolVersion, CrLf);
var headers = Headers;
foreach (var key in headers.AllKeys)
output.AppendFormat ("{0}: {1}{2}", key, headers[key], CrLf);
output.Append (CrLf);
var entity = EntityBody;
if (entity.Length > 0)
output.Append (entity);
return output.ToString ();
}
#endregion
}
}

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#region License
/*
* HttpResponse.cs
*
* The MIT License
*
* Copyright (c) 2012-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Specialized;
using System.IO;
using System.Text;
using WebSocketSharp.Net;
namespace WebSocketSharp
{
internal class HttpResponse : HttpBase
{
#region Private Fields
private string _code;
private string _reason;
#endregion
#region Private Constructors
private HttpResponse (string code, string reason, Version version, NameValueCollection headers)
: base (version, headers)
{
_code = code;
_reason = reason;
}
#endregion
#region Internal Constructors
internal HttpResponse (HttpStatusCode code)
: this (code, code.GetDescription ())
{
}
internal HttpResponse (HttpStatusCode code, string reason)
: this (((int) code).ToString (), reason, HttpVersion.Version11, new NameValueCollection ())
{
Headers["Server"] = "websocket-sharp/1.0";
}
#endregion
#region Public Properties
public CookieCollection Cookies {
get {
return Headers.GetCookies (true);
}
}
public bool HasConnectionClose {
get {
var comparison = StringComparison.OrdinalIgnoreCase;
return Headers.Contains ("Connection", "close", comparison);
}
}
public bool IsProxyAuthenticationRequired {
get {
return _code == "407";
}
}
public bool IsRedirect {
get {
return _code == "301" || _code == "302";
}
}
public bool IsUnauthorized {
get {
return _code == "401";
}
}
public bool IsWebSocketResponse {
get {
return ProtocolVersion > HttpVersion.Version10
&& _code == "101"
&& Headers.Upgrades ("websocket");
}
}
public string Reason {
get {
return _reason;
}
}
public string StatusCode {
get {
return _code;
}
}
#endregion
#region Internal Methods
internal static HttpResponse CreateCloseResponse (HttpStatusCode code)
{
var res = new HttpResponse (code);
res.Headers["Connection"] = "close";
return res;
}
internal static HttpResponse CreateUnauthorizedResponse (string challenge)
{
var res = new HttpResponse (HttpStatusCode.Unauthorized);
res.Headers["WWW-Authenticate"] = challenge;
return res;
}
internal static HttpResponse CreateWebSocketResponse ()
{
var res = new HttpResponse (HttpStatusCode.SwitchingProtocols);
var headers = res.Headers;
headers["Upgrade"] = "websocket";
headers["Connection"] = "Upgrade";
return res;
}
internal static HttpResponse Parse (string[] headerParts)
{
var statusLine = headerParts[0].Split (new[] { ' ' }, 3);
if (statusLine.Length != 3)
throw new ArgumentException ("Invalid status line: " + headerParts[0]);
var headers = new WebHeaderCollection ();
for (int i = 1; i < headerParts.Length; i++)
headers.InternalSet (headerParts[i], true);
return new HttpResponse (
statusLine[1], statusLine[2], new Version (statusLine[0].Substring (5)), headers);
}
internal static HttpResponse Read (Stream stream, int millisecondsTimeout)
{
return Read<HttpResponse> (stream, Parse, millisecondsTimeout);
}
#endregion
#region Public Methods
public void SetCookies (CookieCollection cookies)
{
if (cookies == null || cookies.Count == 0)
return;
var headers = Headers;
foreach (var cookie in cookies.Sorted)
headers.Add ("Set-Cookie", cookie.ToResponseString ());
}
public override string ToString ()
{
var output = new StringBuilder (64);
output.AppendFormat ("HTTP/{0} {1} {2}{3}", ProtocolVersion, _code, _reason, CrLf);
var headers = Headers;
foreach (var key in headers.AllKeys)
output.AppendFormat ("{0}: {1}{2}", key, headers[key], CrLf);
output.Append (CrLf);
var entity = EntityBody;
if (entity.Length > 0)
output.Append (entity);
return output.ToString ();
}
#endregion
}
}

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#region License
/*
* LogData.cs
*
* The MIT License
*
* Copyright (c) 2013-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Diagnostics;
using System.Text;
namespace WebSocketSharp
{
/// <summary>
/// Represents a log data used by the <see cref="Logger"/> class.
/// </summary>
public class LogData
{
#region Private Fields
private StackFrame _caller;
private DateTime _date;
private LogLevel _level;
private string _message;
#endregion
#region Internal Constructors
internal LogData (LogLevel level, StackFrame caller, string message)
{
_level = level;
_caller = caller;
_message = message ?? String.Empty;
_date = DateTime.Now;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the information of the logging method caller.
/// </summary>
/// <value>
/// A <see cref="StackFrame"/> that provides the information of the logging method caller.
/// </value>
public StackFrame Caller {
get {
return _caller;
}
}
/// <summary>
/// Gets the date and time when the log data was created.
/// </summary>
/// <value>
/// A <see cref="DateTime"/> that represents the date and time when the log data was created.
/// </value>
public DateTime Date {
get {
return _date;
}
}
/// <summary>
/// Gets the logging level of the log data.
/// </summary>
/// <value>
/// One of the <see cref="LogLevel"/> enum values, indicates the logging level of the log data.
/// </value>
public LogLevel Level {
get {
return _level;
}
}
/// <summary>
/// Gets the message of the log data.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the message of the log data.
/// </value>
public string Message {
get {
return _message;
}
}
#endregion
#region Public Methods
/// <summary>
/// Returns a <see cref="string"/> that represents the current <see cref="LogData"/>.
/// </summary>
/// <returns>
/// A <see cref="string"/> that represents the current <see cref="LogData"/>.
/// </returns>
public override string ToString ()
{
var header = String.Format ("{0}|{1,-5}|", _date, _level);
var method = _caller.GetMethod ();
var type = method.DeclaringType;
#if DEBUG
var lineNum = _caller.GetFileLineNumber ();
var headerAndCaller =
String.Format ("{0}{1}.{2}:{3}|", header, type.Name, method.Name, lineNum);
#else
var headerAndCaller = String.Format ("{0}{1}.{2}|", header, type.Name, method.Name);
#endif
var msgs = _message.Replace ("\r\n", "\n").TrimEnd ('\n').Split ('\n');
if (msgs.Length <= 1)
return String.Format ("{0}{1}", headerAndCaller, _message);
var buff = new StringBuilder (String.Format ("{0}{1}\n", headerAndCaller, msgs[0]), 64);
var fmt = String.Format ("{{0,{0}}}{{1}}\n", header.Length);
for (var i = 1; i < msgs.Length; i++)
buff.AppendFormat (fmt, "", msgs[i]);
buff.Length--;
return buff.ToString ();
}
#endregion
}
}

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#region License
/*
* LogLevel.cs
*
* The MIT License
*
* Copyright (c) 2013-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Specifies the logging level.
/// </summary>
public enum LogLevel
{
/// <summary>
/// Specifies the bottom logging level.
/// </summary>
Trace,
/// <summary>
/// Specifies the 2nd logging level from the bottom.
/// </summary>
Debug,
/// <summary>
/// Specifies the 3rd logging level from the bottom.
/// </summary>
Info,
/// <summary>
/// Specifies the 3rd logging level from the top.
/// </summary>
Warn,
/// <summary>
/// Specifies the 2nd logging level from the top.
/// </summary>
Error,
/// <summary>
/// Specifies the top logging level.
/// </summary>
Fatal
}
}

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#region License
/*
* Logger.cs
*
* The MIT License
*
* Copyright (c) 2013-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Diagnostics;
using System.IO;
namespace WebSocketSharp
{
/// <summary>
/// Provides a set of methods and properties for logging.
/// </summary>
/// <remarks>
/// <para>
/// If you output a log with lower than the value of the <see cref="Logger.Level"/> property,
/// it cannot be outputted.
/// </para>
/// <para>
/// The default output action writes a log to the standard output stream and the log file
/// if the <see cref="Logger.File"/> property has a valid path to it.
/// </para>
/// <para>
/// If you would like to use the custom output action, you should set
/// the <see cref="Logger.Output"/> property to any <c>Action&lt;LogData, string&gt;</c>
/// delegate.
/// </para>
/// </remarks>
public class Logger
{
#region Private Fields
private volatile string _file;
private volatile LogLevel _level;
private Action<LogData, string> _output;
private object _sync;
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="Logger"/> class.
/// </summary>
/// <remarks>
/// This constructor initializes the current logging level with <see cref="LogLevel.Error"/>.
/// </remarks>
public Logger ()
: this (LogLevel.Error, null, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Logger"/> class with
/// the specified logging <paramref name="level"/>.
/// </summary>
/// <param name="level">
/// One of the <see cref="LogLevel"/> enum values.
/// </param>
public Logger (LogLevel level)
: this (level, null, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Logger"/> class with
/// the specified logging <paramref name="level"/>, path to the log <paramref name="file"/>,
/// and <paramref name="output"/> action.
/// </summary>
/// <param name="level">
/// One of the <see cref="LogLevel"/> enum values.
/// </param>
/// <param name="file">
/// A <see cref="string"/> that represents the path to the log file.
/// </param>
/// <param name="output">
/// An <c>Action&lt;LogData, string&gt;</c> delegate that references the method(s) used to
/// output a log. A <see cref="string"/> parameter passed to this delegate is
/// <paramref name="file"/>.
/// </param>
public Logger (LogLevel level, string file, Action<LogData, string> output)
{
_level = level;
_file = file;
_output = output ?? defaultOutput;
_sync = new object ();
}
#endregion
#region Public Properties
/// <summary>
/// Gets or sets the current path to the log file.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the current path to the log file if any.
/// </value>
public string File {
get {
return _file;
}
set {
lock (_sync) {
_file = value;
Warn (
String.Format ("The current path to the log file has been changed to {0}.", _file));
}
}
}
/// <summary>
/// Gets or sets the current logging level.
/// </summary>
/// <remarks>
/// A log with lower than the value of this property cannot be outputted.
/// </remarks>
/// <value>
/// One of the <see cref="LogLevel"/> enum values, specifies the current logging level.
/// </value>
public LogLevel Level {
get {
return _level;
}
set {
lock (_sync) {
_level = value;
Warn (String.Format ("The current logging level has been changed to {0}.", _level));
}
}
}
/// <summary>
/// Gets or sets the current output action used to output a log.
/// </summary>
/// <value>
/// <para>
/// An <c>Action&lt;LogData, string&gt;</c> delegate that references the method(s) used to
/// output a log. A <see cref="string"/> parameter passed to this delegate is the value of
/// the <see cref="Logger.File"/> property.
/// </para>
/// <para>
/// If the value to set is <see langword="null"/>, the current output action is changed to
/// the default output action.
/// </para>
/// </value>
public Action<LogData, string> Output {
get {
return _output;
}
set {
lock (_sync) {
_output = value ?? defaultOutput;
Warn ("The current output action has been changed.");
}
}
}
#endregion
#region Private Methods
private static void defaultOutput (LogData data, string path)
{
var log = data.ToString ();
Console.WriteLine (log);
if (path != null && path.Length > 0)
writeToFile (log, path);
}
private void output (string message, LogLevel level)
{
lock (_sync) {
if (_level > level)
return;
LogData data = null;
try {
data = new LogData (level, new StackFrame (2, true), message);
_output (data, _file);
}
catch (Exception ex) {
data = new LogData (LogLevel.Fatal, new StackFrame (0, true), ex.Message);
Console.WriteLine (data.ToString ());
}
}
}
private static void writeToFile (string value, string path)
{
using (var writer = new StreamWriter (path, true))
using (var syncWriter = TextWriter.Synchronized (writer))
syncWriter.WriteLine (value);
}
#endregion
#region Public Methods
/// <summary>
/// Outputs <paramref name="message"/> as a log with <see cref="LogLevel.Debug"/>.
/// </summary>
/// <remarks>
/// If the current logging level is higher than <see cref="LogLevel.Debug"/>,
/// this method doesn't output <paramref name="message"/> as a log.
/// </remarks>
/// <param name="message">
/// A <see cref="string"/> that represents the message to output as a log.
/// </param>
public void Debug (string message)
{
if (_level > LogLevel.Debug)
return;
output (message, LogLevel.Debug);
}
/// <summary>
/// Outputs <paramref name="message"/> as a log with <see cref="LogLevel.Error"/>.
/// </summary>
/// <remarks>
/// If the current logging level is higher than <see cref="LogLevel.Error"/>,
/// this method doesn't output <paramref name="message"/> as a log.
/// </remarks>
/// <param name="message">
/// A <see cref="string"/> that represents the message to output as a log.
/// </param>
public void Error (string message)
{
if (_level > LogLevel.Error)
return;
output (message, LogLevel.Error);
}
/// <summary>
/// Outputs <paramref name="message"/> as a log with <see cref="LogLevel.Fatal"/>.
/// </summary>
/// <param name="message">
/// A <see cref="string"/> that represents the message to output as a log.
/// </param>
public void Fatal (string message)
{
output (message, LogLevel.Fatal);
}
/// <summary>
/// Outputs <paramref name="message"/> as a log with <see cref="LogLevel.Info"/>.
/// </summary>
/// <remarks>
/// If the current logging level is higher than <see cref="LogLevel.Info"/>,
/// this method doesn't output <paramref name="message"/> as a log.
/// </remarks>
/// <param name="message">
/// A <see cref="string"/> that represents the message to output as a log.
/// </param>
public void Info (string message)
{
if (_level > LogLevel.Info)
return;
output (message, LogLevel.Info);
}
/// <summary>
/// Outputs <paramref name="message"/> as a log with <see cref="LogLevel.Trace"/>.
/// </summary>
/// <remarks>
/// If the current logging level is higher than <see cref="LogLevel.Trace"/>,
/// this method doesn't output <paramref name="message"/> as a log.
/// </remarks>
/// <param name="message">
/// A <see cref="string"/> that represents the message to output as a log.
/// </param>
public void Trace (string message)
{
if (_level > LogLevel.Trace)
return;
output (message, LogLevel.Trace);
}
/// <summary>
/// Outputs <paramref name="message"/> as a log with <see cref="LogLevel.Warn"/>.
/// </summary>
/// <remarks>
/// If the current logging level is higher than <see cref="LogLevel.Warn"/>,
/// this method doesn't output <paramref name="message"/> as a log.
/// </remarks>
/// <param name="message">
/// A <see cref="string"/> that represents the message to output as a log.
/// </param>
public void Warn (string message)
{
if (_level > LogLevel.Warn)
return;
output (message, LogLevel.Warn);
}
#endregion
}
}

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#region License
/*
* Mask.cs
*
* The MIT License
*
* Copyright (c) 2012-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Indicates whether the payload data of a WebSocket frame is masked.
/// </summary>
/// <remarks>
/// The values of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc6455#section-5.2">Section 5.2</see> of RFC 6455.
/// </remarks>
internal enum Mask : byte
{
/// <summary>
/// Equivalent to numeric value 0. Indicates not masked.
/// </summary>
Off = 0x0,
/// <summary>
/// Equivalent to numeric value 1. Indicates masked.
/// </summary>
On = 0x1
}
}

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#region License
/*
* MessageEventArgs.cs
*
* The MIT License
*
* Copyright (c) 2012-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Represents the event data for the <see cref="WebSocket.OnMessage"/> event.
/// </summary>
/// <remarks>
/// <para>
/// That event occurs when the <see cref="WebSocket"/> receives
/// a message or a ping if the <see cref="WebSocket.EmitOnPing"/>
/// property is set to <c>true</c>.
/// </para>
/// <para>
/// If you would like to get the message data, you should access
/// the <see cref="Data"/> or <see cref="RawData"/> property.
/// </para>
/// </remarks>
public class MessageEventArgs : EventArgs
{
#region Private Fields
private string _data;
private bool _dataSet;
private Opcode _opcode;
private byte[] _rawData;
#endregion
#region Internal Constructors
internal MessageEventArgs (WebSocketFrame frame)
{
_opcode = frame.Opcode;
_rawData = frame.PayloadData.ApplicationData;
}
internal MessageEventArgs (Opcode opcode, byte[] rawData)
{
if ((ulong) rawData.LongLength > PayloadData.MaxLength)
throw new WebSocketException (CloseStatusCode.TooBig);
_opcode = opcode;
_rawData = rawData;
}
#endregion
#region Internal Properties
/// <summary>
/// Gets the opcode for the message.
/// </summary>
/// <value>
/// <see cref="Opcode.Text"/>, <see cref="Opcode.Binary"/>,
/// or <see cref="Opcode.Ping"/>.
/// </value>
internal Opcode Opcode {
get {
return _opcode;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets the message data as a <see cref="string"/>.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the message data if its type is
/// text or ping and if decoding it to a string has successfully done;
/// otherwise, <see langword="null"/>.
/// </value>
public string Data {
get {
setData ();
return _data;
}
}
/// <summary>
/// Gets a value indicating whether the message type is binary.
/// </summary>
/// <value>
/// <c>true</c> if the message type is binary; otherwise, <c>false</c>.
/// </value>
public bool IsBinary {
get {
return _opcode == Opcode.Binary;
}
}
/// <summary>
/// Gets a value indicating whether the message type is ping.
/// </summary>
/// <value>
/// <c>true</c> if the message type is ping; otherwise, <c>false</c>.
/// </value>
public bool IsPing {
get {
return _opcode == Opcode.Ping;
}
}
/// <summary>
/// Gets a value indicating whether the message type is text.
/// </summary>
/// <value>
/// <c>true</c> if the message type is text; otherwise, <c>false</c>.
/// </value>
public bool IsText {
get {
return _opcode == Opcode.Text;
}
}
/// <summary>
/// Gets the message data as an array of <see cref="byte"/>.
/// </summary>
/// <value>
/// An array of <see cref="byte"/> that represents the message data.
/// </value>
public byte[] RawData {
get {
setData ();
return _rawData;
}
}
#endregion
#region Private Methods
private void setData ()
{
if (_dataSet)
return;
if (_opcode == Opcode.Binary) {
_dataSet = true;
return;
}
string data;
if (_rawData.TryGetUTF8DecodedString (out data))
_data = data;
_dataSet = true;
}
#endregion
}
}

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#region License
/*
* AuthenticationBase.cs
*
* The MIT License
*
* Copyright (c) 2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Specialized;
using System.Text;
namespace WebSocketSharp.Net
{
internal abstract class AuthenticationBase
{
#region Private Fields
private AuthenticationSchemes _scheme;
#endregion
#region Internal Fields
internal NameValueCollection Parameters;
#endregion
#region Protected Constructors
protected AuthenticationBase (AuthenticationSchemes scheme, NameValueCollection parameters)
{
_scheme = scheme;
Parameters = parameters;
}
#endregion
#region Public Properties
public string Algorithm {
get {
return Parameters["algorithm"];
}
}
public string Nonce {
get {
return Parameters["nonce"];
}
}
public string Opaque {
get {
return Parameters["opaque"];
}
}
public string Qop {
get {
return Parameters["qop"];
}
}
public string Realm {
get {
return Parameters["realm"];
}
}
public AuthenticationSchemes Scheme {
get {
return _scheme;
}
}
#endregion
#region Internal Methods
internal static string CreateNonceValue ()
{
var src = new byte[16];
var rand = new Random ();
rand.NextBytes (src);
var res = new StringBuilder (32);
foreach (var b in src)
res.Append (b.ToString ("x2"));
return res.ToString ();
}
internal static NameValueCollection ParseParameters (string value)
{
var res = new NameValueCollection ();
foreach (var param in value.SplitHeaderValue (',')) {
var i = param.IndexOf ('=');
var name = i > 0 ? param.Substring (0, i).Trim () : null;
var val = i < 0
? param.Trim ().Trim ('"')
: i < param.Length - 1
? param.Substring (i + 1).Trim ().Trim ('"')
: String.Empty;
res.Add (name, val);
}
return res;
}
internal abstract string ToBasicString ();
internal abstract string ToDigestString ();
#endregion
#region Public Methods
public override string ToString ()
{
return _scheme == AuthenticationSchemes.Basic
? ToBasicString ()
: _scheme == AuthenticationSchemes.Digest
? ToDigestString ()
: String.Empty;
}
#endregion
}
}

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#region License
/*
* AuthenticationChallenge.cs
*
* The MIT License
*
* Copyright (c) 2013-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Specialized;
using System.Text;
namespace WebSocketSharp.Net
{
internal class AuthenticationChallenge : AuthenticationBase
{
#region Private Constructors
private AuthenticationChallenge (AuthenticationSchemes scheme, NameValueCollection parameters)
: base (scheme, parameters)
{
}
#endregion
#region Internal Constructors
internal AuthenticationChallenge (AuthenticationSchemes scheme, string realm)
: base (scheme, new NameValueCollection ())
{
Parameters["realm"] = realm;
if (scheme == AuthenticationSchemes.Digest) {
Parameters["nonce"] = CreateNonceValue ();
Parameters["algorithm"] = "MD5";
Parameters["qop"] = "auth";
}
}
#endregion
#region Public Properties
public string Domain {
get {
return Parameters["domain"];
}
}
public string Stale {
get {
return Parameters["stale"];
}
}
#endregion
#region Internal Methods
internal static AuthenticationChallenge CreateBasicChallenge (string realm)
{
return new AuthenticationChallenge (AuthenticationSchemes.Basic, realm);
}
internal static AuthenticationChallenge CreateDigestChallenge (string realm)
{
return new AuthenticationChallenge (AuthenticationSchemes.Digest, realm);
}
internal static AuthenticationChallenge Parse (string value)
{
var chal = value.Split (new[] { ' ' }, 2);
if (chal.Length != 2)
return null;
var schm = chal[0].ToLower ();
return schm == "basic"
? new AuthenticationChallenge (
AuthenticationSchemes.Basic, ParseParameters (chal[1]))
: schm == "digest"
? new AuthenticationChallenge (
AuthenticationSchemes.Digest, ParseParameters (chal[1]))
: null;
}
internal override string ToBasicString ()
{
return String.Format ("Basic realm=\"{0}\"", Parameters["realm"]);
}
internal override string ToDigestString ()
{
var output = new StringBuilder (128);
var domain = Parameters["domain"];
if (domain != null)
output.AppendFormat (
"Digest realm=\"{0}\", domain=\"{1}\", nonce=\"{2}\"",
Parameters["realm"],
domain,
Parameters["nonce"]);
else
output.AppendFormat (
"Digest realm=\"{0}\", nonce=\"{1}\"", Parameters["realm"], Parameters["nonce"]);
var opaque = Parameters["opaque"];
if (opaque != null)
output.AppendFormat (", opaque=\"{0}\"", opaque);
var stale = Parameters["stale"];
if (stale != null)
output.AppendFormat (", stale={0}", stale);
var algo = Parameters["algorithm"];
if (algo != null)
output.AppendFormat (", algorithm={0}", algo);
var qop = Parameters["qop"];
if (qop != null)
output.AppendFormat (", qop=\"{0}\"", qop);
return output.ToString ();
}
#endregion
}
}

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#region License
/*
* AuthenticationResponse.cs
*
* ParseBasicCredentials is derived from System.Net.HttpListenerContext.cs of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2013-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Specialized;
using System.Security.Cryptography;
using System.Security.Principal;
using System.Text;
namespace WebSocketSharp.Net
{
internal class AuthenticationResponse : AuthenticationBase
{
#region Private Fields
private uint _nonceCount;
#endregion
#region Private Constructors
private AuthenticationResponse (AuthenticationSchemes scheme, NameValueCollection parameters)
: base (scheme, parameters)
{
}
#endregion
#region Internal Constructors
internal AuthenticationResponse (NetworkCredential credentials)
: this (AuthenticationSchemes.Basic, new NameValueCollection (), credentials, 0)
{
}
internal AuthenticationResponse (
AuthenticationChallenge challenge, NetworkCredential credentials, uint nonceCount)
: this (challenge.Scheme, challenge.Parameters, credentials, nonceCount)
{
}
internal AuthenticationResponse (
AuthenticationSchemes scheme,
NameValueCollection parameters,
NetworkCredential credentials,
uint nonceCount)
: base (scheme, parameters)
{
Parameters["username"] = credentials.Username;
Parameters["password"] = credentials.Password;
Parameters["uri"] = credentials.Domain;
_nonceCount = nonceCount;
if (scheme == AuthenticationSchemes.Digest)
initAsDigest ();
}
#endregion
#region Internal Properties
internal uint NonceCount {
get {
return _nonceCount < UInt32.MaxValue
? _nonceCount
: 0;
}
}
#endregion
#region Public Properties
public string Cnonce {
get {
return Parameters["cnonce"];
}
}
public string Nc {
get {
return Parameters["nc"];
}
}
public string Password {
get {
return Parameters["password"];
}
}
public string Response {
get {
return Parameters["response"];
}
}
public string Uri {
get {
return Parameters["uri"];
}
}
public string UserName {
get {
return Parameters["username"];
}
}
#endregion
#region Private Methods
private static string createA1 (string username, string password, string realm)
{
return String.Format ("{0}:{1}:{2}", username, realm, password);
}
private static string createA1 (
string username, string password, string realm, string nonce, string cnonce)
{
return String.Format (
"{0}:{1}:{2}", hash (createA1 (username, password, realm)), nonce, cnonce);
}
private static string createA2 (string method, string uri)
{
return String.Format ("{0}:{1}", method, uri);
}
private static string createA2 (string method, string uri, string entity)
{
return String.Format ("{0}:{1}:{2}", method, uri, hash (entity));
}
private static string hash (string value)
{
var src = Encoding.UTF8.GetBytes (value);
var md5 = MD5.Create ();
var hashed = md5.ComputeHash (src);
var res = new StringBuilder (64);
foreach (var b in hashed)
res.Append (b.ToString ("x2"));
return res.ToString ();
}
private void initAsDigest ()
{
var qops = Parameters["qop"];
if (qops != null) {
if (qops.Split (',').Contains (qop => qop.Trim ().ToLower () == "auth")) {
Parameters["qop"] = "auth";
Parameters["cnonce"] = CreateNonceValue ();
Parameters["nc"] = String.Format ("{0:x8}", ++_nonceCount);
}
else {
Parameters["qop"] = null;
}
}
Parameters["method"] = "GET";
Parameters["response"] = CreateRequestDigest (Parameters);
}
#endregion
#region Internal Methods
internal static string CreateRequestDigest (NameValueCollection parameters)
{
var user = parameters["username"];
var pass = parameters["password"];
var realm = parameters["realm"];
var nonce = parameters["nonce"];
var uri = parameters["uri"];
var algo = parameters["algorithm"];
var qop = parameters["qop"];
var cnonce = parameters["cnonce"];
var nc = parameters["nc"];
var method = parameters["method"];
var a1 = algo != null && algo.ToLower () == "md5-sess"
? createA1 (user, pass, realm, nonce, cnonce)
: createA1 (user, pass, realm);
var a2 = qop != null && qop.ToLower () == "auth-int"
? createA2 (method, uri, parameters["entity"])
: createA2 (method, uri);
var secret = hash (a1);
var data = qop != null
? String.Format ("{0}:{1}:{2}:{3}:{4}", nonce, nc, cnonce, qop, hash (a2))
: String.Format ("{0}:{1}", nonce, hash (a2));
return hash (String.Format ("{0}:{1}", secret, data));
}
internal static AuthenticationResponse Parse (string value)
{
try {
var cred = value.Split (new[] { ' ' }, 2);
if (cred.Length != 2)
return null;
var schm = cred[0].ToLower ();
return schm == "basic"
? new AuthenticationResponse (
AuthenticationSchemes.Basic, ParseBasicCredentials (cred[1]))
: schm == "digest"
? new AuthenticationResponse (
AuthenticationSchemes.Digest, ParseParameters (cred[1]))
: null;
}
catch {
}
return null;
}
internal static NameValueCollection ParseBasicCredentials (string value)
{
// Decode the basic-credentials (a Base64 encoded string).
var userPass = Encoding.Default.GetString (Convert.FromBase64String (value));
// The format is [<domain>\]<username>:<password>.
var i = userPass.IndexOf (':');
var user = userPass.Substring (0, i);
var pass = i < userPass.Length - 1 ? userPass.Substring (i + 1) : String.Empty;
// Check if 'domain' exists.
i = user.IndexOf ('\\');
if (i > -1)
user = user.Substring (i + 1);
var res = new NameValueCollection ();
res["username"] = user;
res["password"] = pass;
return res;
}
internal override string ToBasicString ()
{
var userPass = String.Format ("{0}:{1}", Parameters["username"], Parameters["password"]);
var cred = Convert.ToBase64String (Encoding.UTF8.GetBytes (userPass));
return "Basic " + cred;
}
internal override string ToDigestString ()
{
var output = new StringBuilder (256);
output.AppendFormat (
"Digest username=\"{0}\", realm=\"{1}\", nonce=\"{2}\", uri=\"{3}\", response=\"{4}\"",
Parameters["username"],
Parameters["realm"],
Parameters["nonce"],
Parameters["uri"],
Parameters["response"]);
var opaque = Parameters["opaque"];
if (opaque != null)
output.AppendFormat (", opaque=\"{0}\"", opaque);
var algo = Parameters["algorithm"];
if (algo != null)
output.AppendFormat (", algorithm={0}", algo);
var qop = Parameters["qop"];
if (qop != null)
output.AppendFormat (
", qop={0}, cnonce=\"{1}\", nc={2}", qop, Parameters["cnonce"], Parameters["nc"]);
return output.ToString ();
}
#endregion
#region Public Methods
public IIdentity ToIdentity ()
{
var schm = Scheme;
return schm == AuthenticationSchemes.Basic
? new HttpBasicIdentity (Parameters["username"], Parameters["password"]) as IIdentity
: schm == AuthenticationSchemes.Digest
? new HttpDigestIdentity (Parameters)
: null;
}
#endregion
}
}

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#region License
/*
* AuthenticationSchemes.cs
*
* This code is derived from AuthenticationSchemes.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Atsushi Enomoto <atsushi@ximian.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
/// <summary>
/// Specifies the scheme for authentication.
/// </summary>
public enum AuthenticationSchemes
{
/// <summary>
/// No authentication is allowed.
/// </summary>
None,
/// <summary>
/// Specifies digest authentication.
/// </summary>
Digest = 1,
/// <summary>
/// Specifies basic authentication.
/// </summary>
Basic = 8,
/// <summary>
/// Specifies anonymous authentication.
/// </summary>
Anonymous = 0x8000
}
}

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#region License
/*
* Chunk.cs
*
* This code is derived from ChunkStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2003 Ximian, Inc (http://www.ximian.com)
* Copyright (c) 2014-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal class Chunk
{
#region Private Fields
private byte[] _data;
private int _offset;
#endregion
#region Public Constructors
public Chunk (byte[] data)
{
_data = data;
}
#endregion
#region Public Properties
public int ReadLeft {
get {
return _data.Length - _offset;
}
}
#endregion
#region Public Methods
public int Read (byte[] buffer, int offset, int count)
{
var left = _data.Length - _offset;
if (left == 0)
return 0;
if (count > left)
count = left;
Buffer.BlockCopy (_data, _offset, buffer, offset, count);
_offset += count;
return count;
}
#endregion
}
}

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#region License
/*
* ChunkStream.cs
*
* This code is derived from ChunkStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2003 Ximian, Inc (http://www.ximian.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
*/
#endregion
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Net;
using System.Text;
namespace WebSocketSharp.Net
{
internal class ChunkStream
{
#region Private Fields
private int _chunkRead;
private int _chunkSize;
private List<Chunk> _chunks;
private bool _gotIt;
private WebHeaderCollection _headers;
private StringBuilder _saved;
private bool _sawCr;
private InputChunkState _state;
private int _trailerState;
#endregion
#region Public Constructors
public ChunkStream (WebHeaderCollection headers)
{
_headers = headers;
_chunkSize = -1;
_chunks = new List<Chunk> ();
_saved = new StringBuilder ();
}
#endregion
#region Public Properties
public WebHeaderCollection Headers {
get {
return _headers;
}
}
public bool WantsMore {
get {
return _state < InputChunkState.End;
}
}
#endregion
#region Private Methods
private int read (byte[] buffer, int offset, int count)
{
var nread = 0;
var cnt = _chunks.Count;
for (var i = 0; i < cnt; i++) {
var chunk = _chunks[i];
if (chunk == null)
continue;
if (chunk.ReadLeft == 0) {
_chunks[i] = null;
continue;
}
nread += chunk.Read (buffer, offset + nread, count - nread);
if (nread == count)
break;
}
return nread;
}
private InputChunkState seekCrLf (byte[] buffer, ref int offset, int length)
{
if (!_sawCr) {
if (buffer[offset++] != 13)
throwProtocolViolation ("CR is expected.");
_sawCr = true;
if (offset == length)
return InputChunkState.DataEnded;
}
if (buffer[offset++] != 10)
throwProtocolViolation ("LF is expected.");
return InputChunkState.None;
}
private InputChunkState setChunkSize (
byte[] buffer, ref int offset, int length
)
{
byte b = 0;
while (offset < length) {
b = buffer[offset++];
if (_sawCr) {
if (b != 10)
throwProtocolViolation ("LF is expected.");
break;
}
if (b == 13) {
_sawCr = true;
continue;
}
if (b == 10)
throwProtocolViolation ("LF is unexpected.");
if (_gotIt)
continue;
if (b == 32 || b == 59) { // SP or ';'
_gotIt = true;
continue;
}
_saved.Append ((char) b);
}
if (_saved.Length > 20)
throwProtocolViolation ("The chunk size is too big.");
if (b != 10)
return InputChunkState.None;
var s = _saved.ToString ();
try {
_chunkSize = Int32.Parse (s, NumberStyles.HexNumber);
}
catch {
throwProtocolViolation ("The chunk size cannot be parsed.");
}
_chunkRead = 0;
if (_chunkSize == 0) {
_trailerState = 2;
return InputChunkState.Trailer;
}
return InputChunkState.Data;
}
private InputChunkState setTrailer (
byte[] buffer, ref int offset, int length
)
{
while (offset < length) {
if (_trailerState == 4) // CR LF CR LF
break;
var b = buffer[offset++];
_saved.Append ((char) b);
if (_trailerState == 1 || _trailerState == 3) { // CR or CR LF CR
if (b != 10)
throwProtocolViolation ("LF is expected.");
_trailerState++;
continue;
}
if (b == 13) {
_trailerState++;
continue;
}
if (b == 10)
throwProtocolViolation ("LF is unexpected.");
_trailerState = 0;
}
var len = _saved.Length;
if (len > 4196)
throwProtocolViolation ("The trailer is too long.");
if (_trailerState < 4)
return InputChunkState.Trailer;
if (len == 2)
return InputChunkState.End;
_saved.Length = len - 2;
var val = _saved.ToString ();
var reader = new StringReader (val);
while (true) {
var line = reader.ReadLine ();
if (line == null || line.Length == 0)
break;
_headers.Add (line);
}
return InputChunkState.End;
}
private static void throwProtocolViolation (string message)
{
throw new WebException (
message, null, WebExceptionStatus.ServerProtocolViolation, null
);
}
private void write (byte[] buffer, int offset, int length)
{
if (_state == InputChunkState.End)
throwProtocolViolation ("The chunks were ended.");
if (_state == InputChunkState.None) {
_state = setChunkSize (buffer, ref offset, length);
if (_state == InputChunkState.None)
return;
_saved.Length = 0;
_sawCr = false;
_gotIt = false;
}
if (_state == InputChunkState.Data) {
if (offset >= length)
return;
_state = writeData (buffer, ref offset, length);
if (_state == InputChunkState.Data)
return;
}
if (_state == InputChunkState.DataEnded) {
if (offset >= length)
return;
_state = seekCrLf (buffer, ref offset, length);
if (_state == InputChunkState.DataEnded)
return;
_sawCr = false;
}
if (_state == InputChunkState.Trailer) {
if (offset >= length)
return;
_state = setTrailer (buffer, ref offset, length);
if (_state == InputChunkState.Trailer)
return;
_saved.Length = 0;
}
if (offset >= length)
return;
write (buffer, offset, length);
}
private InputChunkState writeData (
byte[] buffer, ref int offset, int length
)
{
var cnt = length - offset;
var left = _chunkSize - _chunkRead;
if (cnt > left)
cnt = left;
var data = new byte[cnt];
Buffer.BlockCopy (buffer, offset, data, 0, cnt);
var chunk = new Chunk (data);
_chunks.Add (chunk);
offset += cnt;
_chunkRead += cnt;
return _chunkRead == _chunkSize
? InputChunkState.DataEnded
: InputChunkState.Data;
}
#endregion
#region Internal Methods
internal void ResetBuffer ()
{
_chunkRead = 0;
_chunkSize = -1;
_chunks.Clear ();
}
#endregion
#region Public Methods
public int Read (byte[] buffer, int offset, int count)
{
if (count <= 0)
return 0;
return read (buffer, offset, count);
}
public void Write (byte[] buffer, int offset, int count)
{
if (count <= 0)
return;
write (buffer, offset, offset + count);
}
#endregion
}
}

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#region License
/*
* ChunkedRequestStream.cs
*
* This code is derived from ChunkedInputStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.IO;
namespace WebSocketSharp.Net
{
internal class ChunkedRequestStream : RequestStream
{
#region Private Fields
private static readonly int _bufferLength;
private HttpListenerContext _context;
private ChunkStream _decoder;
private bool _disposed;
private bool _noMoreData;
#endregion
#region Static Constructor
static ChunkedRequestStream ()
{
_bufferLength = 8192;
}
#endregion
#region Internal Constructors
internal ChunkedRequestStream (
Stream stream,
byte[] buffer,
int offset,
int count,
HttpListenerContext context
)
: base (stream, buffer, offset, count, -1)
{
_context = context;
_decoder = new ChunkStream (
(WebHeaderCollection) context.Request.Headers
);
}
#endregion
#region Private Methods
private void onRead (IAsyncResult asyncResult)
{
var rstate = (ReadBufferState) asyncResult.AsyncState;
var ares = rstate.AsyncResult;
try {
var nread = base.EndRead (asyncResult);
_decoder.Write (ares.Buffer, ares.Offset, nread);
nread = _decoder.Read (rstate.Buffer, rstate.Offset, rstate.Count);
rstate.Offset += nread;
rstate.Count -= nread;
if (rstate.Count == 0 || !_decoder.WantsMore || nread == 0) {
_noMoreData = !_decoder.WantsMore && nread == 0;
ares.Count = rstate.InitialCount - rstate.Count;
ares.Complete ();
return;
}
base.BeginRead (ares.Buffer, ares.Offset, ares.Count, onRead, rstate);
}
catch (Exception ex) {
_context.ErrorMessage = "I/O operation aborted";
_context.SendError ();
ares.Complete (ex);
}
}
#endregion
#region Public Methods
public override IAsyncResult BeginRead (
byte[] buffer, int offset, int count, AsyncCallback callback, object state
)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
if (buffer == null)
throw new ArgumentNullException ("buffer");
if (offset < 0) {
var msg = "A negative value.";
throw new ArgumentOutOfRangeException ("offset", msg);
}
if (count < 0) {
var msg = "A negative value.";
throw new ArgumentOutOfRangeException ("count", msg);
}
var len = buffer.Length;
if (offset + count > len) {
var msg = "The sum of 'offset' and 'count' is greater than the length of 'buffer'.";
throw new ArgumentException (msg);
}
var ares = new HttpStreamAsyncResult (callback, state);
if (_noMoreData) {
ares.Complete ();
return ares;
}
var nread = _decoder.Read (buffer, offset, count);
offset += nread;
count -= nread;
if (count == 0) {
ares.Count = nread;
ares.Complete ();
return ares;
}
if (!_decoder.WantsMore) {
_noMoreData = nread == 0;
ares.Count = nread;
ares.Complete ();
return ares;
}
ares.Buffer = new byte[_bufferLength];
ares.Offset = 0;
ares.Count = _bufferLength;
var rstate = new ReadBufferState (buffer, offset, count, ares);
rstate.InitialCount += nread;
base.BeginRead (ares.Buffer, ares.Offset, ares.Count, onRead, rstate);
return ares;
}
public override void Close ()
{
if (_disposed)
return;
_disposed = true;
base.Close ();
}
public override int EndRead (IAsyncResult asyncResult)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
if (asyncResult == null)
throw new ArgumentNullException ("asyncResult");
var ares = asyncResult as HttpStreamAsyncResult;
if (ares == null) {
var msg = "A wrong IAsyncResult instance.";
throw new ArgumentException (msg, "asyncResult");
}
if (!ares.IsCompleted)
ares.AsyncWaitHandle.WaitOne ();
if (ares.HasException) {
var msg = "The I/O operation has been aborted.";
throw new HttpListenerException (995, msg);
}
return ares.Count;
}
public override int Read (byte[] buffer, int offset, int count)
{
var ares = BeginRead (buffer, offset, count, null, null);
return EndRead (ares);
}
#endregion
}
}

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#region License
/*
* ClientSslConfiguration.cs
*
* The MIT License
*
* Copyright (c) 2014 liryna
* Copyright (c) 2014-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Liryna <liryna.stark@gmail.com>
*/
#endregion
using System;
using System.Net.Security;
using System.Security.Authentication;
using System.Security.Cryptography.X509Certificates;
namespace WebSocketSharp.Net
{
/// <summary>
/// Stores the parameters for the <see cref="SslStream"/> used by clients.
/// </summary>
public class ClientSslConfiguration
{
#region Private Fields
private bool _checkCertRevocation;
private LocalCertificateSelectionCallback _clientCertSelectionCallback;
private X509CertificateCollection _clientCerts;
private SslProtocols _enabledSslProtocols;
private RemoteCertificateValidationCallback _serverCertValidationCallback;
private string _targetHost;
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="ClientSslConfiguration"/>
/// class with the specified target host server name.
/// </summary>
/// <param name="targetHost">
/// A <see cref="string"/> that specifies the target host server name.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="targetHost"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="targetHost"/> is an empty string.
/// </exception>
public ClientSslConfiguration (string targetHost)
{
if (targetHost == null)
throw new ArgumentNullException ("targetHost");
if (targetHost.Length == 0)
throw new ArgumentException ("An empty string.", "targetHost");
_targetHost = targetHost;
_enabledSslProtocols = SslProtocols.None;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientSslConfiguration"/>
/// class that stores the parameters copied from the specified configuration.
/// </summary>
/// <param name="configuration">
/// A <see cref="ClientSslConfiguration"/> from which to copy.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="configuration"/> is <see langword="null"/>.
/// </exception>
public ClientSslConfiguration (ClientSslConfiguration configuration)
{
if (configuration == null)
throw new ArgumentNullException ("configuration");
_checkCertRevocation = configuration._checkCertRevocation;
_clientCertSelectionCallback = configuration._clientCertSelectionCallback;
_clientCerts = configuration._clientCerts;
_enabledSslProtocols = configuration._enabledSslProtocols;
_serverCertValidationCallback = configuration._serverCertValidationCallback;
_targetHost = configuration._targetHost;
}
#endregion
#region Public Properties
/// <summary>
/// Gets or sets a value indicating whether the certificate revocation
/// list is checked during authentication.
/// </summary>
/// <value>
/// <para>
/// <c>true</c> if the certificate revocation list is checked during
/// authentication; otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>false</c>.
/// </para>
/// </value>
public bool CheckCertificateRevocation {
get {
return _checkCertRevocation;
}
set {
_checkCertRevocation = value;
}
}
/// <summary>
/// Gets or sets the collection of client certificates from which to select
/// one to supply to the server.
/// </summary>
/// <value>
/// <para>
/// A <see cref="X509CertificateCollection"/> or <see langword="null"/>.
/// </para>
/// <para>
/// The collection contains client certificates from which to select.
/// </para>
/// <para>
/// The default value is <see langword="null"/>.
/// </para>
/// </value>
public X509CertificateCollection ClientCertificates {
get {
return _clientCerts;
}
set {
_clientCerts = value;
}
}
/// <summary>
/// Gets or sets the callback used to select the certificate to supply to
/// the server.
/// </summary>
/// <remarks>
/// No certificate is supplied if the callback returns <see langword="null"/>.
/// </remarks>
/// <value>
/// <para>
/// A <see cref="LocalCertificateSelectionCallback"/> delegate that
/// invokes the method called for selecting the certificate.
/// </para>
/// <para>
/// The default value is a delegate that invokes a method that only
/// returns <see langword="null"/>.
/// </para>
/// </value>
public LocalCertificateSelectionCallback ClientCertificateSelectionCallback {
get {
if (_clientCertSelectionCallback == null)
_clientCertSelectionCallback = defaultSelectClientCertificate;
return _clientCertSelectionCallback;
}
set {
_clientCertSelectionCallback = value;
}
}
/// <summary>
/// Gets or sets the protocols used for authentication.
/// </summary>
/// <value>
/// <para>
/// Any of the <see cref="SslProtocols"/> enum values.
/// </para>
/// <para>
/// It represents the protocols used for authentication.
/// </para>
/// <para>
/// The default value is <see cref="SslProtocols.None"/>.
/// </para>
/// </value>
public SslProtocols EnabledSslProtocols {
get {
return _enabledSslProtocols;
}
set {
_enabledSslProtocols = value;
}
}
/// <summary>
/// Gets or sets the callback used to validate the certificate supplied by
/// the server.
/// </summary>
/// <remarks>
/// The certificate is valid if the callback returns <c>true</c>.
/// </remarks>
/// <value>
/// <para>
/// A <see cref="RemoteCertificateValidationCallback"/> delegate that
/// invokes the method called for validating the certificate.
/// </para>
/// <para>
/// The default value is a delegate that invokes a method that only
/// returns <c>true</c>.
/// </para>
/// </value>
public RemoteCertificateValidationCallback ServerCertificateValidationCallback {
get {
if (_serverCertValidationCallback == null)
_serverCertValidationCallback = defaultValidateServerCertificate;
return _serverCertValidationCallback;
}
set {
_serverCertValidationCallback = value;
}
}
/// <summary>
/// Gets or sets the target host server name.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the name of the server that
/// will share a secure connection with a client.
/// </value>
/// <exception cref="ArgumentNullException">
/// The value specified for a set operation is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// The value specified for a set operation is an empty string.
/// </exception>
public string TargetHost {
get {
return _targetHost;
}
set {
if (value == null)
throw new ArgumentNullException ("value");
if (value.Length == 0)
throw new ArgumentException ("An empty string.", "value");
_targetHost = value;
}
}
#endregion
#region Private Methods
private static X509Certificate defaultSelectClientCertificate (
object sender,
string targetHost,
X509CertificateCollection clientCertificates,
X509Certificate serverCertificate,
string[] acceptableIssuers
)
{
return null;
}
private static bool defaultValidateServerCertificate (
object sender,
X509Certificate certificate,
X509Chain chain,
SslPolicyErrors sslPolicyErrors
)
{
return true;
}
#endregion
}
}

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#region License
/*
* CookieCollection.cs
*
* This code is derived from CookieCollection.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2004,2009 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2019 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Lawrence Pit <loz@cable.a2000.nl>
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
* - Sebastien Pouliot <sebastien@ximian.com>
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
namespace WebSocketSharp.Net
{
/// <summary>
/// Provides a collection of instances of the <see cref="Cookie"/> class.
/// </summary>
[Serializable]
public class CookieCollection : ICollection<Cookie>
{
#region Private Fields
private List<Cookie> _list;
private bool _readOnly;
private object _sync;
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="CookieCollection"/> class.
/// </summary>
public CookieCollection ()
{
_list = new List<Cookie> ();
_sync = ((ICollection) _list).SyncRoot;
}
#endregion
#region Internal Properties
internal IList<Cookie> List {
get {
return _list;
}
}
internal IEnumerable<Cookie> Sorted {
get {
var list = new List<Cookie> (_list);
if (list.Count > 1)
list.Sort (compareForSorted);
return list;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets the number of cookies in the collection.
/// </summary>
/// <value>
/// An <see cref="int"/> that represents the number of cookies in
/// the collection.
/// </value>
public int Count {
get {
return _list.Count;
}
}
/// <summary>
/// Gets a value indicating whether the collection is read-only.
/// </summary>
/// <value>
/// <para>
/// <c>true</c> if the collection is read-only; otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>false</c>.
/// </para>
/// </value>
public bool IsReadOnly {
get {
return _readOnly;
}
internal set {
_readOnly = value;
}
}
/// <summary>
/// Gets a value indicating whether the access to the collection is
/// thread safe.
/// </summary>
/// <value>
/// <para>
/// <c>true</c> if the access to the collection is thread safe;
/// otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>false</c>.
/// </para>
/// </value>
public bool IsSynchronized {
get {
return false;
}
}
/// <summary>
/// Gets the cookie at the specified index from the collection.
/// </summary>
/// <value>
/// A <see cref="Cookie"/> at the specified index in the collection.
/// </value>
/// <param name="index">
/// An <see cref="int"/> that specifies the zero-based index of the cookie
/// to find.
/// </param>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="index"/> is out of allowable range for the collection.
/// </exception>
public Cookie this[int index] {
get {
if (index < 0 || index >= _list.Count)
throw new ArgumentOutOfRangeException ("index");
return _list[index];
}
}
/// <summary>
/// Gets the cookie with the specified name from the collection.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Cookie"/> with the specified name in the collection.
/// </para>
/// <para>
/// <see langword="null"/> if not found.
/// </para>
/// </value>
/// <param name="name">
/// A <see cref="string"/> that specifies the name of the cookie to find.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="name"/> is <see langword="null"/>.
/// </exception>
public Cookie this[string name] {
get {
if (name == null)
throw new ArgumentNullException ("name");
var caseInsensitive = StringComparison.InvariantCultureIgnoreCase;
foreach (var cookie in Sorted) {
if (cookie.Name.Equals (name, caseInsensitive))
return cookie;
}
return null;
}
}
/// <summary>
/// Gets an object used to synchronize access to the collection.
/// </summary>
/// <value>
/// An <see cref="object"/> used to synchronize access to the collection.
/// </value>
public object SyncRoot {
get {
return _sync;
}
}
#endregion
#region Private Methods
private void add (Cookie cookie)
{
var idx = search (cookie);
if (idx == -1) {
_list.Add (cookie);
return;
}
_list[idx] = cookie;
}
private static int compareForSort (Cookie x, Cookie y)
{
return (x.Name.Length + x.Value.Length)
- (y.Name.Length + y.Value.Length);
}
private static int compareForSorted (Cookie x, Cookie y)
{
var ret = x.Version - y.Version;
return ret != 0
? ret
: (ret = x.Name.CompareTo (y.Name)) != 0
? ret
: y.Path.Length - x.Path.Length;
}
private static CookieCollection parseRequest (string value)
{
var ret = new CookieCollection ();
Cookie cookie = null;
var ver = 0;
var caseInsensitive = StringComparison.InvariantCultureIgnoreCase;
var pairs = value.SplitHeaderValue (',', ';').ToList ();
for (var i = 0; i < pairs.Count; i++) {
var pair = pairs[i].Trim ();
if (pair.Length == 0)
continue;
var idx = pair.IndexOf ('=');
if (idx == -1) {
if (cookie == null)
continue;
if (pair.Equals ("$port", caseInsensitive)) {
cookie.Port = "\"\"";
continue;
}
continue;
}
if (idx == 0) {
if (cookie != null) {
ret.add (cookie);
cookie = null;
}
continue;
}
var name = pair.Substring (0, idx).TrimEnd (' ');
var val = idx < pair.Length - 1
? pair.Substring (idx + 1).TrimStart (' ')
: String.Empty;
if (name.Equals ("$version", caseInsensitive)) {
if (val.Length == 0)
continue;
int num;
if (!Int32.TryParse (val.Unquote (), out num))
continue;
ver = num;
continue;
}
if (name.Equals ("$path", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Path = val;
continue;
}
if (name.Equals ("$domain", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Domain = val;
continue;
}
if (name.Equals ("$port", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Port = val;
continue;
}
if (cookie != null)
ret.add (cookie);
if (!Cookie.TryCreate (name, val, out cookie))
continue;
if (ver != 0)
cookie.Version = ver;
}
if (cookie != null)
ret.add (cookie);
return ret;
}
private static CookieCollection parseResponse (string value)
{
var ret = new CookieCollection ();
Cookie cookie = null;
var caseInsensitive = StringComparison.InvariantCultureIgnoreCase;
var pairs = value.SplitHeaderValue (',', ';').ToList ();
for (var i = 0; i < pairs.Count; i++) {
var pair = pairs[i].Trim ();
if (pair.Length == 0)
continue;
var idx = pair.IndexOf ('=');
if (idx == -1) {
if (cookie == null)
continue;
if (pair.Equals ("port", caseInsensitive)) {
cookie.Port = "\"\"";
continue;
}
if (pair.Equals ("discard", caseInsensitive)) {
cookie.Discard = true;
continue;
}
if (pair.Equals ("secure", caseInsensitive)) {
cookie.Secure = true;
continue;
}
if (pair.Equals ("httponly", caseInsensitive)) {
cookie.HttpOnly = true;
continue;
}
continue;
}
if (idx == 0) {
if (cookie != null) {
ret.add (cookie);
cookie = null;
}
continue;
}
var name = pair.Substring (0, idx).TrimEnd (' ');
var val = idx < pair.Length - 1
? pair.Substring (idx + 1).TrimStart (' ')
: String.Empty;
if (name.Equals ("version", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
int num;
if (!Int32.TryParse (val.Unquote (), out num))
continue;
cookie.Version = num;
continue;
}
if (name.Equals ("expires", caseInsensitive)) {
if (val.Length == 0)
continue;
if (i == pairs.Count - 1)
break;
i++;
if (cookie == null)
continue;
if (cookie.Expires != DateTime.MinValue)
continue;
var buff = new StringBuilder (val, 32);
buff.AppendFormat (", {0}", pairs[i].Trim ());
DateTime expires;
if (
!DateTime.TryParseExact (
buff.ToString (),
new[] { "ddd, dd'-'MMM'-'yyyy HH':'mm':'ss 'GMT'", "r" },
CultureInfo.CreateSpecificCulture ("en-US"),
DateTimeStyles.AdjustToUniversal
| DateTimeStyles.AssumeUniversal,
out expires
)
)
continue;
cookie.Expires = expires.ToLocalTime ();
continue;
}
if (name.Equals ("max-age", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
int num;
if (!Int32.TryParse (val.Unquote (), out num))
continue;
cookie.MaxAge = num;
continue;
}
if (name.Equals ("path", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Path = val;
continue;
}
if (name.Equals ("domain", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Domain = val;
continue;
}
if (name.Equals ("port", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Port = val;
continue;
}
if (name.Equals ("comment", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.Comment = urlDecode (val, Encoding.UTF8);
continue;
}
if (name.Equals ("commenturl", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.CommentUri = val.Unquote ().ToUri ();
continue;
}
if (name.Equals ("samesite", caseInsensitive)) {
if (cookie == null)
continue;
if (val.Length == 0)
continue;
cookie.SameSite = val.Unquote ();
continue;
}
if (cookie != null)
ret.add (cookie);
Cookie.TryCreate (name, val, out cookie);
}
if (cookie != null)
ret.add (cookie);
return ret;
}
private int search (Cookie cookie)
{
for (var i = _list.Count - 1; i >= 0; i--) {
if (_list[i].EqualsWithoutValue (cookie))
return i;
}
return -1;
}
private static string urlDecode (string s, Encoding encoding)
{
if (s.IndexOfAny (new[] { '%', '+' }) == -1)
return s;
try {
return HttpUtility.UrlDecode (s, encoding);
}
catch {
return null;
}
}
#endregion
#region Internal Methods
internal static CookieCollection Parse (string value, bool response)
{
try {
return response
? parseResponse (value)
: parseRequest (value);
}
catch (Exception ex) {
throw new CookieException ("It could not be parsed.", ex);
}
}
internal void SetOrRemove (Cookie cookie)
{
var idx = search (cookie);
if (idx == -1) {
if (cookie.Expired)
return;
_list.Add (cookie);
return;
}
if (cookie.Expired) {
_list.RemoveAt (idx);
return;
}
_list[idx] = cookie;
}
internal void SetOrRemove (CookieCollection cookies)
{
foreach (var cookie in cookies._list)
SetOrRemove (cookie);
}
internal void Sort ()
{
if (_list.Count > 1)
_list.Sort (compareForSort);
}
#endregion
#region Public Methods
/// <summary>
/// Adds the specified cookie to the collection.
/// </summary>
/// <param name="cookie">
/// A <see cref="Cookie"/> to add.
/// </param>
/// <exception cref="InvalidOperationException">
/// The collection is read-only.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="cookie"/> is <see langword="null"/>.
/// </exception>
public void Add (Cookie cookie)
{
if (_readOnly) {
var msg = "The collection is read-only.";
throw new InvalidOperationException (msg);
}
if (cookie == null)
throw new ArgumentNullException ("cookie");
add (cookie);
}
/// <summary>
/// Adds the specified cookies to the collection.
/// </summary>
/// <param name="cookies">
/// A <see cref="CookieCollection"/> that contains the cookies to add.
/// </param>
/// <exception cref="InvalidOperationException">
/// The collection is read-only.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="cookies"/> is <see langword="null"/>.
/// </exception>
public void Add (CookieCollection cookies)
{
if (_readOnly) {
var msg = "The collection is read-only.";
throw new InvalidOperationException (msg);
}
if (cookies == null)
throw new ArgumentNullException ("cookies");
foreach (var cookie in cookies._list)
add (cookie);
}
/// <summary>
/// Removes all cookies from the collection.
/// </summary>
/// <exception cref="InvalidOperationException">
/// The collection is read-only.
/// </exception>
public void Clear ()
{
if (_readOnly) {
var msg = "The collection is read-only.";
throw new InvalidOperationException (msg);
}
_list.Clear ();
}
/// <summary>
/// Determines whether the collection contains the specified cookie.
/// </summary>
/// <returns>
/// <c>true</c> if the cookie is found in the collection; otherwise,
/// <c>false</c>.
/// </returns>
/// <param name="cookie">
/// A <see cref="Cookie"/> to find.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="cookie"/> is <see langword="null"/>.
/// </exception>
public bool Contains (Cookie cookie)
{
if (cookie == null)
throw new ArgumentNullException ("cookie");
return search (cookie) > -1;
}
/// <summary>
/// Copies the elements of the collection to the specified array,
/// starting at the specified index.
/// </summary>
/// <param name="array">
/// An array of <see cref="Cookie"/> that specifies the destination of
/// the elements copied from the collection.
/// </param>
/// <param name="index">
/// An <see cref="int"/> that specifies the zero-based index in
/// the array at which copying starts.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="array"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="index"/> is less than zero.
/// </exception>
/// <exception cref="ArgumentException">
/// The space from <paramref name="index"/> to the end of
/// <paramref name="array"/> is not enough to copy to.
/// </exception>
public void CopyTo (Cookie[] array, int index)
{
if (array == null)
throw new ArgumentNullException ("array");
if (index < 0)
throw new ArgumentOutOfRangeException ("index", "Less than zero.");
if (array.Length - index < _list.Count) {
var msg = "The available space of the array is not enough to copy to.";
throw new ArgumentException (msg);
}
_list.CopyTo (array, index);
}
/// <summary>
/// Gets the enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// An <see cref="T:System.Collections.Generic.IEnumerator{Cookie}"/>
/// instance that can be used to iterate through the collection.
/// </returns>
public IEnumerator<Cookie> GetEnumerator ()
{
return _list.GetEnumerator ();
}
/// <summary>
/// Removes the specified cookie from the collection.
/// </summary>
/// <returns>
/// <para>
/// <c>true</c> if the cookie is successfully removed; otherwise,
/// <c>false</c>.
/// </para>
/// <para>
/// <c>false</c> if the cookie is not found in the collection.
/// </para>
/// </returns>
/// <param name="cookie">
/// A <see cref="Cookie"/> to remove.
/// </param>
/// <exception cref="InvalidOperationException">
/// The collection is read-only.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="cookie"/> is <see langword="null"/>.
/// </exception>
public bool Remove (Cookie cookie)
{
if (_readOnly) {
var msg = "The collection is read-only.";
throw new InvalidOperationException (msg);
}
if (cookie == null)
throw new ArgumentNullException ("cookie");
var idx = search (cookie);
if (idx == -1)
return false;
_list.RemoveAt (idx);
return true;
}
#endregion
#region Explicit Interface Implementations
/// <summary>
/// Gets the enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// An <see cref="IEnumerator"/> instance that can be used to iterate
/// through the collection.
/// </returns>
IEnumerator IEnumerable.GetEnumerator ()
{
return _list.GetEnumerator ();
}
#endregion
}
}

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#region License
/*
* CookieException.cs
*
* This code is derived from CookieException.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2012-2019 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Lawrence Pit <loz@cable.a2000.nl>
*/
#endregion
using System;
using System.Runtime.Serialization;
using System.Security.Permissions;
namespace WebSocketSharp.Net
{
/// <summary>
/// The exception that is thrown when a <see cref="Cookie"/> gets an error.
/// </summary>
[Serializable]
public class CookieException : FormatException, ISerializable
{
#region Internal Constructors
internal CookieException (string message)
: base (message)
{
}
internal CookieException (string message, Exception innerException)
: base (message, innerException)
{
}
#endregion
#region Protected Constructors
/// <summary>
/// Initializes a new instance of the <see cref="CookieException"/> class
/// with the serialized data.
/// </summary>
/// <param name="serializationInfo">
/// A <see cref="SerializationInfo"/> that holds the serialized object data.
/// </param>
/// <param name="streamingContext">
/// A <see cref="StreamingContext"/> that specifies the source for
/// the deserialization.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="serializationInfo"/> is <see langword="null"/>.
/// </exception>
protected CookieException (
SerializationInfo serializationInfo, StreamingContext streamingContext
)
: base (serializationInfo, streamingContext)
{
}
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="CookieException"/> class.
/// </summary>
public CookieException ()
: base ()
{
}
#endregion
#region Public Methods
/// <summary>
/// Populates the specified <see cref="SerializationInfo"/> instance with
/// the data needed to serialize the current instance.
/// </summary>
/// <param name="serializationInfo">
/// A <see cref="SerializationInfo"/> that holds the serialized object data.
/// </param>
/// <param name="streamingContext">
/// A <see cref="StreamingContext"/> that specifies the destination for
/// the serialization.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="serializationInfo"/> is <see langword="null"/>.
/// </exception>
[
SecurityPermission (
SecurityAction.LinkDemand,
Flags = SecurityPermissionFlag.SerializationFormatter
)
]
public override void GetObjectData (
SerializationInfo serializationInfo, StreamingContext streamingContext
)
{
base.GetObjectData (serializationInfo, streamingContext);
}
#endregion
#region Explicit Interface Implementation
/// <summary>
/// Populates the specified <see cref="SerializationInfo"/> instance with
/// the data needed to serialize the current instance.
/// </summary>
/// <param name="serializationInfo">
/// A <see cref="SerializationInfo"/> that holds the serialized object data.
/// </param>
/// <param name="streamingContext">
/// A <see cref="StreamingContext"/> that specifies the destination for
/// the serialization.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="serializationInfo"/> is <see langword="null"/>.
/// </exception>
[
SecurityPermission (
SecurityAction.LinkDemand,
Flags = SecurityPermissionFlag.SerializationFormatter,
SerializationFormatter = true
)
]
void ISerializable.GetObjectData (
SerializationInfo serializationInfo, StreamingContext streamingContext
)
{
base.GetObjectData (serializationInfo, streamingContext);
}
#endregion
}
}

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#region License
/*
* EndPointListener.cs
*
* This code is derived from EndPointListener.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
#region Contributors
/*
* Contributors:
* - Liryna <liryna.stark@gmail.com>
* - Nicholas Devenish
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Threading;
namespace WebSocketSharp.Net
{
internal sealed class EndPointListener
{
#region Private Fields
private List<HttpListenerPrefix> _all; // host == '+'
private Dictionary<HttpConnection, HttpConnection> _connections;
private object _connectionsSync;
private static readonly string _defaultCertFolderPath;
private IPEndPoint _endpoint;
private List<HttpListenerPrefix> _prefixes;
private bool _secure;
private Socket _socket;
private ServerSslConfiguration _sslConfig;
private List<HttpListenerPrefix> _unhandled; // host == '*'
#endregion
#region Static Constructor
static EndPointListener ()
{
_defaultCertFolderPath = Environment.GetFolderPath (
Environment.SpecialFolder.ApplicationData
);
}
#endregion
#region Internal Constructors
internal EndPointListener (
IPEndPoint endpoint,
bool secure,
string certificateFolderPath,
ServerSslConfiguration sslConfig,
bool reuseAddress
)
{
_endpoint = endpoint;
if (secure) {
var cert = getCertificate (
endpoint.Port,
certificateFolderPath,
sslConfig.ServerCertificate
);
if (cert == null) {
var msg = "No server certificate could be found.";
throw new ArgumentException (msg);
}
_secure = true;
_sslConfig = new ServerSslConfiguration (sslConfig);
_sslConfig.ServerCertificate = cert;
}
_prefixes = new List<HttpListenerPrefix> ();
_connections = new Dictionary<HttpConnection, HttpConnection> ();
_connectionsSync = ((ICollection) _connections).SyncRoot;
_socket = new Socket (
endpoint.Address.AddressFamily,
SocketType.Stream,
ProtocolType.Tcp
);
if (reuseAddress) {
_socket.SetSocketOption (
SocketOptionLevel.Socket,
SocketOptionName.ReuseAddress,
true
);
}
_socket.Bind (endpoint);
_socket.Listen (500);
_socket.BeginAccept (onAccept, this);
}
#endregion
#region Public Properties
public IPAddress Address {
get {
return _endpoint.Address;
}
}
public bool IsSecure {
get {
return _secure;
}
}
public int Port {
get {
return _endpoint.Port;
}
}
public ServerSslConfiguration SslConfiguration {
get {
return _sslConfig;
}
}
#endregion
#region Private Methods
private static void addSpecial (
List<HttpListenerPrefix> prefixes, HttpListenerPrefix prefix
)
{
var path = prefix.Path;
foreach (var pref in prefixes) {
if (pref.Path == path) {
var msg = "The prefix is already in use.";
throw new HttpListenerException (87, msg);
}
}
prefixes.Add (prefix);
}
private void clearConnections ()
{
HttpConnection[] conns = null;
lock (_connectionsSync) {
var cnt = _connections.Count;
if (cnt == 0)
return;
conns = new HttpConnection[cnt];
var vals = _connections.Values;
vals.CopyTo (conns, 0);
_connections.Clear ();
}
foreach (var conn in conns)
conn.Close (true);
}
private static RSACryptoServiceProvider createRSAFromFile (string path)
{
var rsa = new RSACryptoServiceProvider ();
var key = File.ReadAllBytes (path);
rsa.ImportCspBlob (key);
return rsa;
}
private static X509Certificate2 getCertificate (
int port, string folderPath, X509Certificate2 defaultCertificate
)
{
if (folderPath == null || folderPath.Length == 0)
folderPath = _defaultCertFolderPath;
try {
var cer = Path.Combine (folderPath, String.Format ("{0}.cer", port));
var key = Path.Combine (folderPath, String.Format ("{0}.key", port));
if (File.Exists (cer) && File.Exists (key)) {
var cert = new X509Certificate2 (cer);
cert.PrivateKey = createRSAFromFile (key);
return cert;
}
}
catch {
}
return defaultCertificate;
}
private void leaveIfNoPrefix ()
{
if (_prefixes.Count > 0)
return;
var prefs = _unhandled;
if (prefs != null && prefs.Count > 0)
return;
prefs = _all;
if (prefs != null && prefs.Count > 0)
return;
Close ();
}
private static void onAccept (IAsyncResult asyncResult)
{
var lsnr = (EndPointListener) asyncResult.AsyncState;
Socket sock = null;
try {
sock = lsnr._socket.EndAccept (asyncResult);
}
catch (ObjectDisposedException) {
return;
}
catch (Exception) {
// TODO: Logging.
}
try {
lsnr._socket.BeginAccept (onAccept, lsnr);
}
catch (Exception) {
// TODO: Logging.
if (sock != null)
sock.Close ();
return;
}
if (sock == null)
return;
processAccepted (sock, lsnr);
}
private static void processAccepted (
Socket socket, EndPointListener listener
)
{
HttpConnection conn = null;
try {
conn = new HttpConnection (socket, listener);
}
catch (Exception) {
// TODO: Logging.
socket.Close ();
return;
}
lock (listener._connectionsSync)
listener._connections.Add (conn, conn);
conn.BeginReadRequest ();
}
private static bool removeSpecial (
List<HttpListenerPrefix> prefixes, HttpListenerPrefix prefix
)
{
var path = prefix.Path;
var cnt = prefixes.Count;
for (var i = 0; i < cnt; i++) {
if (prefixes[i].Path == path) {
prefixes.RemoveAt (i);
return true;
}
}
return false;
}
private static HttpListener searchHttpListenerFromSpecial (
string path, List<HttpListenerPrefix> prefixes
)
{
if (prefixes == null)
return null;
HttpListener ret = null;
var bestLen = -1;
foreach (var pref in prefixes) {
var prefPath = pref.Path;
var len = prefPath.Length;
if (len < bestLen)
continue;
if (path.StartsWith (prefPath, StringComparison.Ordinal)) {
bestLen = len;
ret = pref.Listener;
}
}
return ret;
}
#endregion
#region Internal Methods
internal static bool CertificateExists (int port, string folderPath)
{
if (folderPath == null || folderPath.Length == 0)
folderPath = _defaultCertFolderPath;
var cer = Path.Combine (folderPath, String.Format ("{0}.cer", port));
var key = Path.Combine (folderPath, String.Format ("{0}.key", port));
return File.Exists (cer) && File.Exists (key);
}
internal void RemoveConnection (HttpConnection connection)
{
lock (_connectionsSync)
_connections.Remove (connection);
}
internal bool TrySearchHttpListener (Uri uri, out HttpListener listener)
{
listener = null;
if (uri == null)
return false;
var host = uri.Host;
var dns = Uri.CheckHostName (host) == UriHostNameType.Dns;
var port = uri.Port.ToString ();
var path = HttpUtility.UrlDecode (uri.AbsolutePath);
if (path[path.Length - 1] != '/')
path += "/";
if (host != null && host.Length > 0) {
var prefs = _prefixes;
var bestLen = -1;
foreach (var pref in prefs) {
if (dns) {
var prefHost = pref.Host;
var prefDns = Uri.CheckHostName (prefHost) == UriHostNameType.Dns;
if (prefDns) {
if (prefHost != host)
continue;
}
}
if (pref.Port != port)
continue;
var prefPath = pref.Path;
var len = prefPath.Length;
if (len < bestLen)
continue;
if (path.StartsWith (prefPath, StringComparison.Ordinal)) {
bestLen = len;
listener = pref.Listener;
}
}
if (bestLen != -1)
return true;
}
listener = searchHttpListenerFromSpecial (path, _unhandled);
if (listener != null)
return true;
listener = searchHttpListenerFromSpecial (path, _all);
return listener != null;
}
#endregion
#region Public Methods
public void AddPrefix (HttpListenerPrefix prefix)
{
List<HttpListenerPrefix> current, future;
if (prefix.Host == "*") {
do {
current = _unhandled;
future = current != null
? new List<HttpListenerPrefix> (current)
: new List<HttpListenerPrefix> ();
addSpecial (future, prefix);
}
while (
Interlocked.CompareExchange (ref _unhandled, future, current) != current
);
return;
}
if (prefix.Host == "+") {
do {
current = _all;
future = current != null
? new List<HttpListenerPrefix> (current)
: new List<HttpListenerPrefix> ();
addSpecial (future, prefix);
}
while (
Interlocked.CompareExchange (ref _all, future, current) != current
);
return;
}
do {
current = _prefixes;
var idx = current.IndexOf (prefix);
if (idx > -1) {
if (current[idx].Listener != prefix.Listener) {
var msg = String.Format (
"There is another listener for {0}.", prefix
);
throw new HttpListenerException (87, msg);
}
return;
}
future = new List<HttpListenerPrefix> (current);
future.Add (prefix);
}
while (
Interlocked.CompareExchange (ref _prefixes, future, current) != current
);
}
public void Close ()
{
_socket.Close ();
clearConnections ();
EndPointManager.RemoveEndPoint (_endpoint);
}
public void RemovePrefix (HttpListenerPrefix prefix)
{
List<HttpListenerPrefix> current, future;
if (prefix.Host == "*") {
do {
current = _unhandled;
if (current == null)
break;
future = new List<HttpListenerPrefix> (current);
if (!removeSpecial (future, prefix))
break;
}
while (
Interlocked.CompareExchange (ref _unhandled, future, current) != current
);
leaveIfNoPrefix ();
return;
}
if (prefix.Host == "+") {
do {
current = _all;
if (current == null)
break;
future = new List<HttpListenerPrefix> (current);
if (!removeSpecial (future, prefix))
break;
}
while (
Interlocked.CompareExchange (ref _all, future, current) != current
);
leaveIfNoPrefix ();
return;
}
do {
current = _prefixes;
if (!current.Contains (prefix))
break;
future = new List<HttpListenerPrefix> (current);
future.Remove (prefix);
}
while (
Interlocked.CompareExchange (ref _prefixes, future, current) != current
);
leaveIfNoPrefix ();
}
#endregion
}
}

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#region License
/*
* EndPointManager.cs
*
* This code is derived from EndPointManager.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
*/
#endregion
#region Contributors
/*
* Contributors:
* - Liryna <liryna.stark@gmail.com>
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.Net;
namespace WebSocketSharp.Net
{
internal sealed class EndPointManager
{
#region Private Fields
private static readonly Dictionary<IPEndPoint, EndPointListener> _endpoints;
#endregion
#region Static Constructor
static EndPointManager ()
{
_endpoints = new Dictionary<IPEndPoint, EndPointListener> ();
}
#endregion
#region Private Constructors
private EndPointManager ()
{
}
#endregion
#region Private Methods
private static void addPrefix (string uriPrefix, HttpListener listener)
{
var pref = new HttpListenerPrefix (uriPrefix, listener);
var addr = convertToIPAddress (pref.Host);
if (addr == null) {
var msg = "The URI prefix includes an invalid host.";
throw new HttpListenerException (87, msg);
}
if (!addr.IsLocal ()) {
var msg = "The URI prefix includes an invalid host.";
throw new HttpListenerException (87, msg);
}
int port;
if (!Int32.TryParse (pref.Port, out port)) {
var msg = "The URI prefix includes an invalid port.";
throw new HttpListenerException (87, msg);
}
if (!port.IsPortNumber ()) {
var msg = "The URI prefix includes an invalid port.";
throw new HttpListenerException (87, msg);
}
var path = pref.Path;
if (path.IndexOf ('%') != -1) {
var msg = "The URI prefix includes an invalid path.";
throw new HttpListenerException (87, msg);
}
if (path.IndexOf ("//", StringComparison.Ordinal) != -1) {
var msg = "The URI prefix includes an invalid path.";
throw new HttpListenerException (87, msg);
}
var endpoint = new IPEndPoint (addr, port);
EndPointListener lsnr;
if (_endpoints.TryGetValue (endpoint, out lsnr)) {
if (lsnr.IsSecure ^ pref.IsSecure) {
var msg = "The URI prefix includes an invalid scheme.";
throw new HttpListenerException (87, msg);
}
}
else {
lsnr = new EndPointListener (
endpoint,
pref.IsSecure,
listener.CertificateFolderPath,
listener.SslConfiguration,
listener.ReuseAddress
);
_endpoints.Add (endpoint, lsnr);
}
lsnr.AddPrefix (pref);
}
private static IPAddress convertToIPAddress (string hostname)
{
if (hostname == "*")
return IPAddress.Any;
if (hostname == "+")
return IPAddress.Any;
return hostname.ToIPAddress ();
}
private static void removePrefix (string uriPrefix, HttpListener listener)
{
var pref = new HttpListenerPrefix (uriPrefix, listener);
var addr = convertToIPAddress (pref.Host);
if (addr == null)
return;
if (!addr.IsLocal ())
return;
int port;
if (!Int32.TryParse (pref.Port, out port))
return;
if (!port.IsPortNumber ())
return;
var path = pref.Path;
if (path.IndexOf ('%') != -1)
return;
if (path.IndexOf ("//", StringComparison.Ordinal) != -1)
return;
var endpoint = new IPEndPoint (addr, port);
EndPointListener lsnr;
if (!_endpoints.TryGetValue (endpoint, out lsnr))
return;
if (lsnr.IsSecure ^ pref.IsSecure)
return;
lsnr.RemovePrefix (pref);
}
#endregion
#region Internal Methods
internal static bool RemoveEndPoint (IPEndPoint endpoint)
{
lock (((ICollection) _endpoints).SyncRoot)
return _endpoints.Remove (endpoint);
}
#endregion
#region Public Methods
public static void AddListener (HttpListener listener)
{
var added = new List<string> ();
lock (((ICollection) _endpoints).SyncRoot) {
try {
foreach (var pref in listener.Prefixes) {
addPrefix (pref, listener);
added.Add (pref);
}
}
catch {
foreach (var pref in added)
removePrefix (pref, listener);
throw;
}
}
}
public static void AddPrefix (string uriPrefix, HttpListener listener)
{
lock (((ICollection) _endpoints).SyncRoot)
addPrefix (uriPrefix, listener);
}
public static void RemoveListener (HttpListener listener)
{
lock (((ICollection) _endpoints).SyncRoot) {
foreach (var pref in listener.Prefixes)
removePrefix (pref, listener);
}
}
public static void RemovePrefix (string uriPrefix, HttpListener listener)
{
lock (((ICollection) _endpoints).SyncRoot)
removePrefix (uriPrefix, listener);
}
#endregion
}
}

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#region License
/*
* HttpBasicIdentity.cs
*
* This code is derived from HttpListenerBasicIdentity.cs (System.Net) of
* Mono (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2014-2017 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.Security.Principal;
namespace WebSocketSharp.Net
{
/// <summary>
/// Holds the username and password from an HTTP Basic authentication attempt.
/// </summary>
public class HttpBasicIdentity : GenericIdentity
{
#region Private Fields
private string _password;
#endregion
#region Internal Constructors
internal HttpBasicIdentity (string username, string password)
: base (username, "Basic")
{
_password = password;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the password from a basic authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the password.
/// </value>
public virtual string Password {
get {
return _password;
}
}
#endregion
}
}

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#region License
/*
* HttpConnection.cs
*
* This code is derived from HttpConnection.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
#region Contributors
/*
* Contributors:
* - Liryna <liryna.stark@gmail.com>
* - Rohan Singh <rohan-singh@hotmail.com>
*/
#endregion
using System;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Net.Sockets;
using System.Text;
using System.Threading;
namespace WebSocketSharp.Net
{
internal sealed class HttpConnection
{
#region Private Fields
private int _attempts;
private byte[] _buffer;
private static readonly int _bufferLength;
private HttpListenerContext _context;
private StringBuilder _currentLine;
private InputState _inputState;
private RequestStream _inputStream;
private LineState _lineState;
private EndPointListener _listener;
private EndPoint _localEndPoint;
private static readonly int _maxInputLength;
private ResponseStream _outputStream;
private int _position;
private EndPoint _remoteEndPoint;
private MemoryStream _requestBuffer;
private int _reuses;
private bool _secure;
private Socket _socket;
private Stream _stream;
private object _sync;
private int _timeout;
private Dictionary<int, bool> _timeoutCanceled;
private Timer _timer;
#endregion
#region Static Constructor
static HttpConnection ()
{
_bufferLength = 8192;
_maxInputLength = 32768;
}
#endregion
#region Internal Constructors
internal HttpConnection (Socket socket, EndPointListener listener)
{
_socket = socket;
_listener = listener;
var netStream = new NetworkStream (socket, false);
if (listener.IsSecure) {
var sslConf = listener.SslConfiguration;
var sslStream = new SslStream (
netStream,
false,
sslConf.ClientCertificateValidationCallback
);
sslStream.AuthenticateAsServer (
sslConf.ServerCertificate,
sslConf.ClientCertificateRequired,
sslConf.EnabledSslProtocols,
sslConf.CheckCertificateRevocation
);
_secure = true;
_stream = sslStream;
}
else {
_stream = netStream;
}
_buffer = new byte[_bufferLength];
_localEndPoint = socket.LocalEndPoint;
_remoteEndPoint = socket.RemoteEndPoint;
_sync = new object ();
_timeoutCanceled = new Dictionary<int, bool> ();
_timer = new Timer (onTimeout, this, Timeout.Infinite, Timeout.Infinite);
init (90000); // 90k ms for first request, 15k ms from then on.
}
#endregion
#region Public Properties
public bool IsClosed {
get {
return _socket == null;
}
}
public bool IsLocal {
get {
return ((IPEndPoint) _remoteEndPoint).Address.IsLocal ();
}
}
public bool IsSecure {
get {
return _secure;
}
}
public IPEndPoint LocalEndPoint {
get {
return (IPEndPoint) _localEndPoint;
}
}
public IPEndPoint RemoteEndPoint {
get {
return (IPEndPoint) _remoteEndPoint;
}
}
public int Reuses {
get {
return _reuses;
}
}
public Stream Stream {
get {
return _stream;
}
}
#endregion
#region Private Methods
private void close ()
{
lock (_sync) {
if (_socket == null)
return;
disposeTimer ();
disposeRequestBuffer ();
disposeStream ();
closeSocket ();
}
_context.Unregister ();
_listener.RemoveConnection (this);
}
private void closeSocket ()
{
try {
_socket.Shutdown (SocketShutdown.Both);
}
catch {
}
_socket.Close ();
_socket = null;
}
private void disposeRequestBuffer ()
{
if (_requestBuffer == null)
return;
_requestBuffer.Dispose ();
_requestBuffer = null;
}
private void disposeStream ()
{
if (_stream == null)
return;
_stream.Dispose ();
_stream = null;
}
private void disposeTimer ()
{
if (_timer == null)
return;
try {
_timer.Change (Timeout.Infinite, Timeout.Infinite);
}
catch {
}
_timer.Dispose ();
_timer = null;
}
private void init (int timeout)
{
_timeout = timeout;
_context = new HttpListenerContext (this);
_currentLine = new StringBuilder (64);
_inputState = InputState.RequestLine;
_inputStream = null;
_lineState = LineState.None;
_outputStream = null;
_position = 0;
_requestBuffer = new MemoryStream ();
}
private static void onRead (IAsyncResult asyncResult)
{
var conn = (HttpConnection) asyncResult.AsyncState;
var current = conn._attempts;
if (conn._socket == null)
return;
lock (conn._sync) {
if (conn._socket == null)
return;
conn._timer.Change (Timeout.Infinite, Timeout.Infinite);
conn._timeoutCanceled[current] = true;
var nread = 0;
try {
nread = conn._stream.EndRead (asyncResult);
}
catch (Exception) {
// TODO: Logging.
conn.close ();
return;
}
if (nread <= 0) {
conn.close ();
return;
}
conn._requestBuffer.Write (conn._buffer, 0, nread);
var len = (int) conn._requestBuffer.Length;
if (conn.processInput (conn._requestBuffer.GetBuffer (), len)) {
if (!conn._context.HasErrorMessage)
conn._context.Request.FinishInitialization ();
if (conn._context.HasErrorMessage) {
conn._context.SendError ();
return;
}
var url = conn._context.Request.Url;
HttpListener lsnr;
if (conn._listener.TrySearchHttpListener (url, out lsnr)) {
if (!lsnr.AuthenticateContext (conn._context))
return;
if (!lsnr.RegisterContext (conn._context)) {
conn._context.ErrorStatusCode = 503;
conn._context.SendError ();
return;
}
return;
}
conn._context.ErrorStatusCode = 404;
conn._context.SendError ();
return;
}
conn.BeginReadRequest ();
}
}
private static void onTimeout (object state)
{
var conn = (HttpConnection) state;
var current = conn._attempts;
if (conn._socket == null)
return;
lock (conn._sync) {
if (conn._socket == null)
return;
if (conn._timeoutCanceled[current])
return;
conn._context.ErrorStatusCode = 408;
conn._context.SendError ();
}
}
private bool processInput (byte[] data, int length)
{
// This method returns a bool:
// - true Done processing
// - false Need more input
try {
while (true) {
int nread;
var line = readLineFrom (data, _position, length, out nread);
_position += nread;
if (line == null)
break;
if (line.Length == 0) {
if (_inputState == InputState.RequestLine)
continue;
if (_position > _maxInputLength)
_context.ErrorMessage = "Headers too long";
return true;
}
if (_inputState == InputState.RequestLine) {
_context.Request.SetRequestLine (line);
_inputState = InputState.Headers;
}
else {
_context.Request.AddHeader (line);
}
if (_context.HasErrorMessage)
return true;
}
}
catch (Exception ex) {
_context.ErrorMessage = ex.Message;
return true;
}
if (_position >= _maxInputLength) {
_context.ErrorMessage = "Headers too long";
return true;
}
return false;
}
private string readLineFrom (
byte[] buffer, int offset, int length, out int nread
)
{
nread = 0;
for (var i = offset; i < length; i++) {
nread++;
var b = buffer[i];
if (b == 13) {
_lineState = LineState.Cr;
continue;
}
if (b == 10) {
_lineState = LineState.Lf;
break;
}
_currentLine.Append ((char) b);
}
if (_lineState != LineState.Lf)
return null;
var ret = _currentLine.ToString ();
_currentLine.Length = 0;
_lineState = LineState.None;
return ret;
}
#endregion
#region Internal Methods
internal void BeginReadRequest ()
{
_attempts++;
_timeoutCanceled.Add (_attempts, false);
_timer.Change (_timeout, Timeout.Infinite);
try {
_stream.BeginRead (_buffer, 0, _bufferLength, onRead, this);
}
catch (Exception) {
// TODO: Logging.
close ();
}
}
internal void Close (bool force)
{
if (_socket == null)
return;
lock (_sync) {
if (_socket == null)
return;
if (force) {
if (_outputStream != null)
_outputStream.Close (true);
close ();
return;
}
GetResponseStream ().Close (false);
if (_context.Response.CloseConnection) {
close ();
return;
}
if (!_context.Request.FlushInput ()) {
close ();
return;
}
disposeRequestBuffer ();
_context.Unregister ();
_reuses++;
init (15000);
BeginReadRequest ();
}
}
#endregion
#region Public Methods
public void Close ()
{
Close (false);
}
public RequestStream GetRequestStream (long contentLength, bool chunked)
{
lock (_sync) {
if (_socket == null)
return null;
if (_inputStream != null)
return _inputStream;
var buff = _requestBuffer.GetBuffer ();
var len = (int) _requestBuffer.Length;
var cnt = len - _position;
disposeRequestBuffer ();
_inputStream = chunked
? new ChunkedRequestStream (
_stream, buff, _position, cnt, _context
)
: new RequestStream (
_stream, buff, _position, cnt, contentLength
);
return _inputStream;
}
}
public ResponseStream GetResponseStream ()
{
lock (_sync) {
if (_socket == null)
return null;
if (_outputStream != null)
return _outputStream;
var lsnr = _context.Listener;
var ignore = lsnr != null ? lsnr.IgnoreWriteExceptions : true;
_outputStream = new ResponseStream (_stream, _context.Response, ignore);
return _outputStream;
}
}
#endregion
}
}

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#region License
/*
* HttpDigestIdentity.cs
*
* The MIT License
*
* Copyright (c) 2014-2017 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Specialized;
using System.Security.Principal;
namespace WebSocketSharp.Net
{
/// <summary>
/// Holds the username and other parameters from
/// an HTTP Digest authentication attempt.
/// </summary>
public class HttpDigestIdentity : GenericIdentity
{
#region Private Fields
private NameValueCollection _parameters;
#endregion
#region Internal Constructors
internal HttpDigestIdentity (NameValueCollection parameters)
: base (parameters["username"], "Digest")
{
_parameters = parameters;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the algorithm parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the algorithm parameter.
/// </value>
public string Algorithm {
get {
return _parameters["algorithm"];
}
}
/// <summary>
/// Gets the cnonce parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the cnonce parameter.
/// </value>
public string Cnonce {
get {
return _parameters["cnonce"];
}
}
/// <summary>
/// Gets the nc parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the nc parameter.
/// </value>
public string Nc {
get {
return _parameters["nc"];
}
}
/// <summary>
/// Gets the nonce parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the nonce parameter.
/// </value>
public string Nonce {
get {
return _parameters["nonce"];
}
}
/// <summary>
/// Gets the opaque parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the opaque parameter.
/// </value>
public string Opaque {
get {
return _parameters["opaque"];
}
}
/// <summary>
/// Gets the qop parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the qop parameter.
/// </value>
public string Qop {
get {
return _parameters["qop"];
}
}
/// <summary>
/// Gets the realm parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the realm parameter.
/// </value>
public string Realm {
get {
return _parameters["realm"];
}
}
/// <summary>
/// Gets the response parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the response parameter.
/// </value>
public string Response {
get {
return _parameters["response"];
}
}
/// <summary>
/// Gets the uri parameter from a digest authentication attempt.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the uri parameter.
/// </value>
public string Uri {
get {
return _parameters["uri"];
}
}
#endregion
#region Internal Methods
internal bool IsValid (
string password, string realm, string method, string entity
)
{
var copied = new NameValueCollection (_parameters);
copied["password"] = password;
copied["realm"] = realm;
copied["method"] = method;
copied["entity"] = entity;
var expected = AuthenticationResponse.CreateRequestDigest (copied);
return _parameters["response"] == expected;
}
#endregion
}
}

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#region License
/*
* HttpHeaderInfo.cs
*
* The MIT License
*
* Copyright (c) 2013-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal class HttpHeaderInfo
{
#region Private Fields
private string _headerName;
private HttpHeaderType _headerType;
#endregion
#region Internal Constructors
internal HttpHeaderInfo (string headerName, HttpHeaderType headerType)
{
_headerName = headerName;
_headerType = headerType;
}
#endregion
#region Internal Properties
internal bool IsMultiValueInRequest {
get {
var headerType = _headerType & HttpHeaderType.MultiValueInRequest;
return headerType == HttpHeaderType.MultiValueInRequest;
}
}
internal bool IsMultiValueInResponse {
get {
var headerType = _headerType & HttpHeaderType.MultiValueInResponse;
return headerType == HttpHeaderType.MultiValueInResponse;
}
}
#endregion
#region Public Properties
public string HeaderName {
get {
return _headerName;
}
}
public HttpHeaderType HeaderType {
get {
return _headerType;
}
}
public bool IsRequest {
get {
var headerType = _headerType & HttpHeaderType.Request;
return headerType == HttpHeaderType.Request;
}
}
public bool IsResponse {
get {
var headerType = _headerType & HttpHeaderType.Response;
return headerType == HttpHeaderType.Response;
}
}
#endregion
#region Public Methods
public bool IsMultiValue (bool response)
{
var headerType = _headerType & HttpHeaderType.MultiValue;
if (headerType != HttpHeaderType.MultiValue)
return response ? IsMultiValueInResponse : IsMultiValueInRequest;
return response ? IsResponse : IsRequest;
}
public bool IsRestricted (bool response)
{
var headerType = _headerType & HttpHeaderType.Restricted;
if (headerType != HttpHeaderType.Restricted)
return false;
return response ? IsResponse : IsRequest;
}
#endregion
}
}

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#region License
/*
* HttpHeaderType.cs
*
* The MIT License
*
* Copyright (c) 2013-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
[Flags]
internal enum HttpHeaderType
{
Unspecified = 0,
Request = 1,
Response = 1 << 1,
Restricted = 1 << 2,
MultiValue = 1 << 3,
MultiValueInRequest = 1 << 4,
MultiValueInResponse = 1 << 5
}
}

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#region License
/*
* HttpListener.cs
*
* This code is derived from HttpListener.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
#region Contributors
/*
* Contributors:
* - Liryna <liryna.stark@gmail.com>
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.Security.Cryptography.X509Certificates;
using System.Security.Principal;
using System.Threading;
// TODO: Logging.
namespace WebSocketSharp.Net
{
/// <summary>
/// Provides a simple, programmatically controlled HTTP listener.
/// </summary>
public sealed class HttpListener : IDisposable
{
#region Private Fields
private AuthenticationSchemes _authSchemes;
private Func<HttpListenerRequest, AuthenticationSchemes> _authSchemeSelector;
private string _certFolderPath;
private Queue<HttpListenerContext> _contextQueue;
private LinkedList<HttpListenerContext> _contextRegistry;
private object _contextRegistrySync;
private static readonly string _defaultRealm;
private bool _disposed;
private bool _ignoreWriteExceptions;
private volatile bool _listening;
private Logger _log;
private string _objectName;
private HttpListenerPrefixCollection _prefixes;
private string _realm;
private bool _reuseAddress;
private ServerSslConfiguration _sslConfig;
private Func<IIdentity, NetworkCredential> _userCredFinder;
private Queue<HttpListenerAsyncResult> _waitQueue;
#endregion
#region Static Constructor
static HttpListener ()
{
_defaultRealm = "SECRET AREA";
}
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="HttpListener"/> class.
/// </summary>
public HttpListener ()
{
_authSchemes = AuthenticationSchemes.Anonymous;
_contextQueue = new Queue<HttpListenerContext> ();
_contextRegistry = new LinkedList<HttpListenerContext> ();
_contextRegistrySync = ((ICollection) _contextRegistry).SyncRoot;
_log = new Logger ();
_objectName = GetType ().ToString ();
_prefixes = new HttpListenerPrefixCollection (this);
_waitQueue = new Queue<HttpListenerAsyncResult> ();
}
#endregion
#region Internal Properties
internal bool ReuseAddress {
get {
return _reuseAddress;
}
set {
_reuseAddress = value;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets or sets the scheme used to authenticate the clients.
/// </summary>
/// <value>
/// <para>
/// One of the <see cref="WebSocketSharp.Net.AuthenticationSchemes"/>
/// enum values.
/// </para>
/// <para>
/// It represents the scheme used to authenticate the clients.
/// </para>
/// <para>
/// The default value is
/// <see cref="WebSocketSharp.Net.AuthenticationSchemes.Anonymous"/>.
/// </para>
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public AuthenticationSchemes AuthenticationSchemes {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _authSchemes;
}
set {
if (_disposed)
throw new ObjectDisposedException (_objectName);
_authSchemes = value;
}
}
/// <summary>
/// Gets or sets the delegate called to select the scheme used to
/// authenticate the clients.
/// </summary>
/// <remarks>
/// <para>
/// If this property is set, the listener uses the authentication
/// scheme selected by the delegate for each request.
/// </para>
/// <para>
/// Or if this property is not set, the listener uses the value of
/// the <see cref="HttpListener.AuthenticationSchemes"/> property
/// as the authentication scheme for all requests.
/// </para>
/// </remarks>
/// <value>
/// <para>
/// A <c>Func&lt;<see cref="HttpListenerRequest"/>,
/// <see cref="AuthenticationSchemes"/>&gt;</c> delegate or
/// <see langword="null"/> if not needed.
/// </para>
/// <para>
/// The delegate references the method used to select
/// an authentication scheme.
/// </para>
/// <para>
/// The default value is <see langword="null"/>.
/// </para>
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public Func<HttpListenerRequest, AuthenticationSchemes> AuthenticationSchemeSelector {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _authSchemeSelector;
}
set {
if (_disposed)
throw new ObjectDisposedException (_objectName);
_authSchemeSelector = value;
}
}
/// <summary>
/// Gets or sets the path to the folder in which stores the certificate
/// files used to authenticate the server on the secure connection.
/// </summary>
/// <remarks>
/// <para>
/// This property represents the path to the folder in which stores
/// the certificate files associated with each port number of added
/// URI prefixes.
/// </para>
/// <para>
/// A set of the certificate files is a pair of &lt;port number&gt;.cer
/// (DER) and &lt;port number&gt;.key (DER, RSA Private Key).
/// </para>
/// <para>
/// If this property is <see langword="null"/> or an empty string,
/// the result of <c>System.Environment.GetFolderPath (<see
/// cref="Environment.SpecialFolder.ApplicationData"/>)</c>
/// is used as the default path.
/// </para>
/// </remarks>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the path to the folder
/// in which stores the certificate files.
/// </para>
/// <para>
/// The default value is <see langword="null"/>.
/// </para>
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public string CertificateFolderPath {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _certFolderPath;
}
set {
if (_disposed)
throw new ObjectDisposedException (_objectName);
_certFolderPath = value;
}
}
/// <summary>
/// Gets or sets a value indicating whether the listener returns
/// exceptions that occur when sending the response to the client.
/// </summary>
/// <value>
/// <para>
/// <c>true</c> if the listener should not return those exceptions;
/// otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>false</c>.
/// </para>
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public bool IgnoreWriteExceptions {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _ignoreWriteExceptions;
}
set {
if (_disposed)
throw new ObjectDisposedException (_objectName);
_ignoreWriteExceptions = value;
}
}
/// <summary>
/// Gets a value indicating whether the listener has been started.
/// </summary>
/// <value>
/// <c>true</c> if the listener has been started; otherwise, <c>false</c>.
/// </value>
public bool IsListening {
get {
return _listening;
}
}
/// <summary>
/// Gets a value indicating whether the listener can be used with
/// the current operating system.
/// </summary>
/// <value>
/// <c>true</c>.
/// </value>
public static bool IsSupported {
get {
return true;
}
}
/// <summary>
/// Gets the logging functions.
/// </summary>
/// <remarks>
/// <para>
/// The default logging level is <see cref="LogLevel.Error"/>.
/// </para>
/// <para>
/// If you would like to change it, you should set the <c>Log.Level</c>
/// property to any of the <see cref="LogLevel"/> enum values.
/// </para>
/// </remarks>
/// <value>
/// A <see cref="Logger"/> that provides the logging functions.
/// </value>
public Logger Log {
get {
return _log;
}
}
/// <summary>
/// Gets the URI prefixes handled by the listener.
/// </summary>
/// <value>
/// A <see cref="HttpListenerPrefixCollection"/> that contains the URI
/// prefixes.
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public HttpListenerPrefixCollection Prefixes {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _prefixes;
}
}
/// <summary>
/// Gets or sets the name of the realm associated with the listener.
/// </summary>
/// <remarks>
/// If this property is <see langword="null"/> or an empty string,
/// "SECRET AREA" will be used as the name of the realm.
/// </remarks>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the name of the realm.
/// </para>
/// <para>
/// The default value is <see langword="null"/>.
/// </para>
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public string Realm {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _realm;
}
set {
if (_disposed)
throw new ObjectDisposedException (_objectName);
_realm = value;
}
}
/// <summary>
/// Gets the SSL configuration used to authenticate the server and
/// optionally the client for secure connection.
/// </summary>
/// <value>
/// A <see cref="ServerSslConfiguration"/> that represents the SSL
/// configuration for secure connection.
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public ServerSslConfiguration SslConfiguration {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
if (_sslConfig == null)
_sslConfig = new ServerSslConfiguration ();
return _sslConfig;
}
}
/// <summary>
/// Gets or sets a value indicating whether, when NTLM authentication is used,
/// the authentication information of first request is used to authenticate
/// additional requests on the same connection.
/// </summary>
/// <remarks>
/// This property is not currently supported and always throws
/// a <see cref="NotSupportedException"/>.
/// </remarks>
/// <value>
/// <c>true</c> if the authentication information of first request is used;
/// otherwise, <c>false</c>.
/// </value>
/// <exception cref="NotSupportedException">
/// Any use of this property.
/// </exception>
public bool UnsafeConnectionNtlmAuthentication {
get {
throw new NotSupportedException ();
}
set {
throw new NotSupportedException ();
}
}
/// <summary>
/// Gets or sets the delegate called to find the credentials for
/// an identity used to authenticate a client.
/// </summary>
/// <value>
/// <para>
/// A <c>Func&lt;<see cref="IIdentity"/>,
/// <see cref="NetworkCredential"/>&gt;</c> delegate or
/// <see langword="null"/> if not needed.
/// </para>
/// <para>
/// It references the method used to find the credentials.
/// </para>
/// <para>
/// The default value is <see langword="null"/>.
/// </para>
/// </value>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public Func<IIdentity, NetworkCredential> UserCredentialsFinder {
get {
if (_disposed)
throw new ObjectDisposedException (_objectName);
return _userCredFinder;
}
set {
if (_disposed)
throw new ObjectDisposedException (_objectName);
_userCredFinder = value;
}
}
#endregion
#region Private Methods
private HttpListenerAsyncResult beginGetContext (
AsyncCallback callback, object state
)
{
lock (_contextRegistrySync) {
if (!_listening) {
var msg = _disposed
? "The listener is closed."
: "The listener is stopped.";
throw new HttpListenerException (995, msg);
}
var ares = new HttpListenerAsyncResult (callback, state);
if (_contextQueue.Count == 0) {
_waitQueue.Enqueue (ares);
}
else {
var ctx = _contextQueue.Dequeue ();
ares.Complete (ctx, true);
}
return ares;
}
}
private void cleanupContextQueue (bool force)
{
if (_contextQueue.Count == 0)
return;
if (force) {
_contextQueue.Clear ();
return;
}
var ctxs = _contextQueue.ToArray ();
_contextQueue.Clear ();
foreach (var ctx in ctxs) {
ctx.ErrorStatusCode = 503;
ctx.SendError ();
}
}
private void cleanupContextRegistry ()
{
var cnt = _contextRegistry.Count;
if (cnt == 0)
return;
var ctxs = new HttpListenerContext[cnt];
_contextRegistry.CopyTo (ctxs, 0);
_contextRegistry.Clear ();
foreach (var ctx in ctxs)
ctx.Connection.Close (true);
}
private void cleanupWaitQueue (string message)
{
if (_waitQueue.Count == 0)
return;
var aress = _waitQueue.ToArray ();
_waitQueue.Clear ();
foreach (var ares in aress) {
var ex = new HttpListenerException (995, message);
ares.Complete (ex);
}
}
private void close (bool force)
{
if (!_listening) {
_disposed = true;
return;
}
_listening = false;
cleanupContextQueue (force);
cleanupContextRegistry ();
var msg = "The listener is closed.";
cleanupWaitQueue (msg);
EndPointManager.RemoveListener (this);
_disposed = true;
}
private string getRealm ()
{
var realm = _realm;
return realm != null && realm.Length > 0 ? realm : _defaultRealm;
}
private AuthenticationSchemes selectAuthenticationScheme (
HttpListenerRequest request
)
{
var selector = _authSchemeSelector;
if (selector == null)
return _authSchemes;
try {
return selector (request);
}
catch {
return AuthenticationSchemes.None;
}
}
#endregion
#region Internal Methods
internal bool AuthenticateContext (HttpListenerContext context)
{
var req = context.Request;
var schm = selectAuthenticationScheme (req);
if (schm == AuthenticationSchemes.Anonymous)
return true;
if (schm == AuthenticationSchemes.None) {
context.ErrorStatusCode = 403;
context.ErrorMessage = "Authentication not allowed";
context.SendError ();
return false;
}
var realm = getRealm ();
var user = HttpUtility.CreateUser (
req.Headers["Authorization"],
schm,
realm,
req.HttpMethod,
_userCredFinder
);
var authenticated = user != null && user.Identity.IsAuthenticated;
if (!authenticated) {
context.SendAuthenticationChallenge (schm, realm);
return false;
}
context.User = user;
return true;
}
internal void CheckDisposed ()
{
if (_disposed)
throw new ObjectDisposedException (_objectName);
}
internal bool RegisterContext (HttpListenerContext context)
{
if (!_listening)
return false;
lock (_contextRegistrySync) {
if (!_listening)
return false;
context.Listener = this;
_contextRegistry.AddLast (context);
if (_waitQueue.Count == 0) {
_contextQueue.Enqueue (context);
}
else {
var ares = _waitQueue.Dequeue ();
ares.Complete (context, false);
}
return true;
}
}
internal void UnregisterContext (HttpListenerContext context)
{
lock (_contextRegistrySync)
_contextRegistry.Remove (context);
}
#endregion
#region Public Methods
/// <summary>
/// Shuts down the listener immediately.
/// </summary>
public void Abort ()
{
if (_disposed)
return;
lock (_contextRegistrySync) {
if (_disposed)
return;
close (true);
}
}
/// <summary>
/// Begins getting an incoming request asynchronously.
/// </summary>
/// <remarks>
/// <para>
/// This asynchronous operation must be completed by calling
/// the EndGetContext method.
/// </para>
/// <para>
/// Typically, the EndGetContext method is called by
/// <paramref name="callback"/>.
/// </para>
/// </remarks>
/// <returns>
/// An <see cref="IAsyncResult"/> that represents the status of
/// the asynchronous operation.
/// </returns>
/// <param name="callback">
/// An <see cref="AsyncCallback"/> delegate that references the method to
/// invoke when the asynchronous operation completes.
/// </param>
/// <param name="state">
/// An <see cref="object"/> that represents a user defined object to
/// pass to <paramref name="callback"/>.
/// </param>
/// <exception cref="InvalidOperationException">
/// <para>
/// This listener has no URI prefix on which listens.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// This listener has not been started or is currently stopped.
/// </para>
/// </exception>
/// <exception cref="HttpListenerException">
/// This method is canceled.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public IAsyncResult BeginGetContext (AsyncCallback callback, object state)
{
if (_disposed)
throw new ObjectDisposedException (_objectName);
if (_prefixes.Count == 0) {
var msg = "The listener has no URI prefix on which listens.";
throw new InvalidOperationException (msg);
}
if (!_listening) {
var msg = "The listener has not been started.";
throw new InvalidOperationException (msg);
}
return beginGetContext (callback, state);
}
/// <summary>
/// Shuts down the listener.
/// </summary>
public void Close ()
{
if (_disposed)
return;
lock (_contextRegistrySync) {
if (_disposed)
return;
close (false);
}
}
/// <summary>
/// Ends an asynchronous operation to get an incoming request.
/// </summary>
/// <remarks>
/// This method completes an asynchronous operation started by calling
/// the BeginGetContext method.
/// </remarks>
/// <returns>
/// A <see cref="HttpListenerContext"/> that represents a request.
/// </returns>
/// <param name="asyncResult">
/// An <see cref="IAsyncResult"/> instance obtained by calling
/// the BeginGetContext method.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="asyncResult"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="asyncResult"/> was not obtained by calling
/// the BeginGetContext method.
/// </exception>
/// <exception cref="InvalidOperationException">
/// This method was already called for <paramref name="asyncResult"/>.
/// </exception>
/// <exception cref="HttpListenerException">
/// This method is canceled.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public HttpListenerContext EndGetContext (IAsyncResult asyncResult)
{
if (_disposed)
throw new ObjectDisposedException (_objectName);
if (asyncResult == null)
throw new ArgumentNullException ("asyncResult");
var ares = asyncResult as HttpListenerAsyncResult;
if (ares == null) {
var msg = "A wrong IAsyncResult instance.";
throw new ArgumentException (msg, "asyncResult");
}
lock (ares.SyncRoot) {
if (ares.EndCalled) {
var msg = "This IAsyncResult instance cannot be reused.";
throw new InvalidOperationException (msg);
}
ares.EndCalled = true;
}
if (!ares.IsCompleted)
ares.AsyncWaitHandle.WaitOne ();
return ares.Context;
}
/// <summary>
/// Gets an incoming request.
/// </summary>
/// <remarks>
/// This method waits for an incoming request and returns when a request is
/// received.
/// </remarks>
/// <returns>
/// A <see cref="HttpListenerContext"/> that represents a request.
/// </returns>
/// <exception cref="InvalidOperationException">
/// <para>
/// This listener has no URI prefix on which listens.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// This listener has not been started or is currently stopped.
/// </para>
/// </exception>
/// <exception cref="HttpListenerException">
/// This method is canceled.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public HttpListenerContext GetContext ()
{
if (_disposed)
throw new ObjectDisposedException (_objectName);
if (_prefixes.Count == 0) {
var msg = "The listener has no URI prefix on which listens.";
throw new InvalidOperationException (msg);
}
if (!_listening) {
var msg = "The listener has not been started.";
throw new InvalidOperationException (msg);
}
var ares = beginGetContext (null, null);
ares.EndCalled = true;
if (!ares.IsCompleted)
ares.AsyncWaitHandle.WaitOne ();
return ares.Context;
}
/// <summary>
/// Starts receiving incoming requests.
/// </summary>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public void Start ()
{
if (_disposed)
throw new ObjectDisposedException (_objectName);
lock (_contextRegistrySync) {
if (_disposed)
throw new ObjectDisposedException (_objectName);
if (_listening)
return;
EndPointManager.AddListener (this);
_listening = true;
}
}
/// <summary>
/// Stops receiving incoming requests.
/// </summary>
/// <exception cref="ObjectDisposedException">
/// This listener has been closed.
/// </exception>
public void Stop ()
{
if (_disposed)
throw new ObjectDisposedException (_objectName);
lock (_contextRegistrySync) {
if (!_listening)
return;
_listening = false;
cleanupContextQueue (false);
cleanupContextRegistry ();
var msg = "The listener is stopped.";
cleanupWaitQueue (msg);
EndPointManager.RemoveListener (this);
}
}
#endregion
#region Explicit Interface Implementations
/// <summary>
/// Releases all resources used by the listener.
/// </summary>
void IDisposable.Dispose ()
{
if (_disposed)
return;
lock (_contextRegistrySync) {
if (_disposed)
return;
close (true);
}
}
#endregion
}
}

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#region License
/*
* HttpListenerAsyncResult.cs
*
* This code is derived from ListenerAsyncResult.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Ximian, Inc. (http://www.ximian.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
*/
#endregion
#region Contributors
/*
* Contributors:
* - Nicholas Devenish
*/
#endregion
using System;
using System.Threading;
namespace WebSocketSharp.Net
{
internal class HttpListenerAsyncResult : IAsyncResult
{
#region Private Fields
private AsyncCallback _callback;
private bool _completed;
private bool _completedSynchronously;
private HttpListenerContext _context;
private bool _endCalled;
private Exception _exception;
private object _state;
private object _sync;
private ManualResetEvent _waitHandle;
#endregion
#region Internal Constructors
internal HttpListenerAsyncResult (AsyncCallback callback, object state)
{
_callback = callback;
_state = state;
_sync = new object ();
}
#endregion
#region Internal Properties
internal HttpListenerContext Context
{
get {
if (_exception != null)
throw _exception;
return _context;
}
}
internal bool EndCalled {
get {
return _endCalled;
}
set {
_endCalled = value;
}
}
internal object SyncRoot {
get {
return _sync;
}
}
#endregion
#region Public Properties
public object AsyncState {
get {
return _state;
}
}
public WaitHandle AsyncWaitHandle {
get {
lock (_sync) {
if (_waitHandle == null)
_waitHandle = new ManualResetEvent (_completed);
return _waitHandle;
}
}
}
public bool CompletedSynchronously {
get {
return _completedSynchronously;
}
}
public bool IsCompleted {
get {
lock (_sync)
return _completed;
}
}
#endregion
#region Private Methods
private void complete ()
{
lock (_sync) {
_completed = true;
if (_waitHandle != null)
_waitHandle.Set ();
}
if (_callback == null)
return;
ThreadPool.QueueUserWorkItem (
state => {
try {
_callback (this);
}
catch {
}
},
null
);
}
#endregion
#region Internal Methods
internal void Complete (Exception exception)
{
_exception = exception;
complete ();
}
internal void Complete (
HttpListenerContext context, bool completedSynchronously
)
{
_context = context;
_completedSynchronously = completedSynchronously;
complete ();
}
#endregion
}
}

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#region License
/*
* HttpListenerContext.cs
*
* This code is derived from HttpListenerContext.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.Security.Principal;
using System.Text;
using WebSocketSharp.Net.WebSockets;
namespace WebSocketSharp.Net
{
/// <summary>
/// Provides the access to the HTTP request and response objects used by
/// the <see cref="HttpListener"/> class.
/// </summary>
/// <remarks>
/// This class cannot be inherited.
/// </remarks>
public sealed class HttpListenerContext
{
#region Private Fields
private HttpConnection _connection;
private string _errorMessage;
private int _errorStatusCode;
private HttpListener _listener;
private HttpListenerRequest _request;
private HttpListenerResponse _response;
private IPrincipal _user;
private HttpListenerWebSocketContext _websocketContext;
#endregion
#region Internal Constructors
internal HttpListenerContext (HttpConnection connection)
{
_connection = connection;
_errorStatusCode = 400;
_request = new HttpListenerRequest (this);
_response = new HttpListenerResponse (this);
}
#endregion
#region Internal Properties
internal HttpConnection Connection {
get {
return _connection;
}
}
internal string ErrorMessage {
get {
return _errorMessage;
}
set {
_errorMessage = value;
}
}
internal int ErrorStatusCode {
get {
return _errorStatusCode;
}
set {
_errorStatusCode = value;
}
}
internal bool HasErrorMessage {
get {
return _errorMessage != null;
}
}
internal HttpListener Listener {
get {
return _listener;
}
set {
_listener = value;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets the HTTP request object that represents a client request.
/// </summary>
/// <value>
/// A <see cref="HttpListenerRequest"/> that represents the client request.
/// </value>
public HttpListenerRequest Request {
get {
return _request;
}
}
/// <summary>
/// Gets the HTTP response object used to send a response to the client.
/// </summary>
/// <value>
/// A <see cref="HttpListenerResponse"/> that represents a response to
/// the client request.
/// </value>
public HttpListenerResponse Response {
get {
return _response;
}
}
/// <summary>
/// Gets the client information (identity, authentication, and security
/// roles).
/// </summary>
/// <value>
/// <para>
/// A <see cref="IPrincipal"/> instance or <see langword="null"/>
/// if not authenticated.
/// </para>
/// <para>
/// The instance describes the client.
/// </para>
/// </value>
public IPrincipal User {
get {
return _user;
}
internal set {
_user = value;
}
}
#endregion
#region Private Methods
private static string createErrorContent (
int statusCode, string statusDescription, string message
)
{
return message != null && message.Length > 0
? String.Format (
"<html><body><h1>{0} {1} ({2})</h1></body></html>",
statusCode,
statusDescription,
message
)
: String.Format (
"<html><body><h1>{0} {1}</h1></body></html>",
statusCode,
statusDescription
);
}
#endregion
#region Internal Methods
internal HttpListenerWebSocketContext GetWebSocketContext (string protocol)
{
_websocketContext = new HttpListenerWebSocketContext (this, protocol);
return _websocketContext;
}
internal void SendAuthenticationChallenge (
AuthenticationSchemes scheme, string realm
)
{
var chal = new AuthenticationChallenge (scheme, realm).ToString ();
_response.StatusCode = 401;
_response.Headers.InternalSet ("WWW-Authenticate", chal, true);
_response.Close ();
}
internal void SendError ()
{
try {
_response.StatusCode = _errorStatusCode;
_response.ContentType = "text/html";
var content = createErrorContent (
_errorStatusCode,
_response.StatusDescription,
_errorMessage
);
var enc = Encoding.UTF8;
var entity = enc.GetBytes (content);
_response.ContentEncoding = enc;
_response.ContentLength64 = entity.LongLength;
_response.Close (entity, true);
}
catch {
_connection.Close (true);
}
}
internal void Unregister ()
{
if (_listener == null)
return;
_listener.UnregisterContext (this);
}
#endregion
#region Public Methods
/// <summary>
/// Accepts a WebSocket handshake request.
/// </summary>
/// <returns>
/// A <see cref="HttpListenerWebSocketContext"/> that represents
/// the WebSocket handshake request.
/// </returns>
/// <param name="protocol">
/// A <see cref="string"/> that specifies the subprotocol supported on
/// the WebSocket connection.
/// </param>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="protocol"/> is empty.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="protocol"/> contains an invalid character.
/// </para>
/// </exception>
/// <exception cref="InvalidOperationException">
/// This method has already been called.
/// </exception>
public HttpListenerWebSocketContext AcceptWebSocket (string protocol)
{
if (_websocketContext != null) {
var msg = "The accepting is already in progress.";
throw new InvalidOperationException (msg);
}
if (protocol != null) {
if (protocol.Length == 0) {
var msg = "An empty string.";
throw new ArgumentException (msg, "protocol");
}
if (!protocol.IsToken ()) {
var msg = "It contains an invalid character.";
throw new ArgumentException (msg, "protocol");
}
}
return GetWebSocketContext (protocol);
}
#endregion
}
}

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#region License
/*
* HttpListenerException.cs
*
* This code is derived from HttpListenerException.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.ComponentModel;
using System.Runtime.Serialization;
namespace WebSocketSharp.Net
{
/// <summary>
/// The exception that is thrown when an error occurs processing
/// an HTTP request.
/// </summary>
[Serializable]
public class HttpListenerException : Win32Exception
{
#region Protected Constructors
/// <summary>
/// Initializes a new instance of the <see cref="HttpListenerException"/>
/// class from the specified instances of the <see cref="SerializationInfo"/>
/// and <see cref="StreamingContext"/> classes.
/// </summary>
/// <param name="serializationInfo">
/// A <see cref="SerializationInfo"/> that contains the serialized
/// object data.
/// </param>
/// <param name="streamingContext">
/// A <see cref="StreamingContext"/> that specifies the source for
/// the deserialization.
/// </param>
protected HttpListenerException (
SerializationInfo serializationInfo, StreamingContext streamingContext
)
: base (serializationInfo, streamingContext)
{
}
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="HttpListenerException"/>
/// class.
/// </summary>
public HttpListenerException ()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpListenerException"/>
/// class with the specified error code.
/// </summary>
/// <param name="errorCode">
/// An <see cref="int"/> that specifies the error code.
/// </param>
public HttpListenerException (int errorCode)
: base (errorCode)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpListenerException"/>
/// class with the specified error code and message.
/// </summary>
/// <param name="errorCode">
/// An <see cref="int"/> that specifies the error code.
/// </param>
/// <param name="message">
/// A <see cref="string"/> that specifies the message.
/// </param>
public HttpListenerException (int errorCode, string message)
: base (errorCode, message)
{
}
#endregion
#region Public Properties
/// <summary>
/// Gets the error code that identifies the error that occurred.
/// </summary>
/// <value>
/// <para>
/// An <see cref="int"/> that represents the error code.
/// </para>
/// <para>
/// It is any of the Win32 error codes.
/// </para>
/// </value>
public override int ErrorCode {
get {
return NativeErrorCode;
}
}
#endregion
}
}

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#region License
/*
* HttpListenerPrefix.cs
*
* This code is derived from ListenerPrefix.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
* - Oleg Mihailik <mihailik@gmail.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal sealed class HttpListenerPrefix
{
#region Private Fields
private string _host;
private HttpListener _listener;
private string _original;
private string _path;
private string _port;
private string _prefix;
private bool _secure;
#endregion
#region Internal Constructors
/// <summary>
/// Initializes a new instance of the <see cref="HttpListenerPrefix"/> class
/// with the specified URI prefix and HTTP listener.
/// </summary>
/// <remarks>
/// This constructor must be called after calling the CheckPrefix method.
/// </remarks>
/// <param name="uriPrefix">
/// A <see cref="string"/> that specifies the URI prefix.
/// </param>
/// <param name="listener">
/// A <see cref="HttpListener"/> that specifies the HTTP listener.
/// </param>
internal HttpListenerPrefix (string uriPrefix, HttpListener listener)
{
_original = uriPrefix;
_listener = listener;
parse (uriPrefix);
}
#endregion
#region Public Properties
public string Host {
get {
return _host;
}
}
public bool IsSecure {
get {
return _secure;
}
}
public HttpListener Listener {
get {
return _listener;
}
}
public string Original {
get {
return _original;
}
}
public string Path {
get {
return _path;
}
}
public string Port {
get {
return _port;
}
}
#endregion
#region Private Methods
private void parse (string uriPrefix)
{
if (uriPrefix.StartsWith ("https"))
_secure = true;
var len = uriPrefix.Length;
var host = uriPrefix.IndexOf (':') + 3;
var root = uriPrefix.IndexOf ('/', host + 1, len - host - 1);
var colon = uriPrefix.LastIndexOf (':', root - 1, root - host - 1);
if (uriPrefix[root - 1] != ']' && colon > host) {
_host = uriPrefix.Substring (host, colon - host);
_port = uriPrefix.Substring (colon + 1, root - colon - 1);
}
else {
_host = uriPrefix.Substring (host, root - host);
_port = _secure ? "443" : "80";
}
_path = uriPrefix.Substring (root);
_prefix = String.Format (
"{0}://{1}:{2}{3}",
_secure ? "https" : "http",
_host,
_port,
_path
);
}
#endregion
#region Public Methods
public static void CheckPrefix (string uriPrefix)
{
if (uriPrefix == null)
throw new ArgumentNullException ("uriPrefix");
var len = uriPrefix.Length;
if (len == 0) {
var msg = "An empty string.";
throw new ArgumentException (msg, "uriPrefix");
}
var schm = uriPrefix.StartsWith ("http://")
|| uriPrefix.StartsWith ("https://");
if (!schm) {
var msg = "The scheme is not 'http' or 'https'.";
throw new ArgumentException (msg, "uriPrefix");
}
var end = len - 1;
if (uriPrefix[end] != '/') {
var msg = "It ends without '/'.";
throw new ArgumentException (msg, "uriPrefix");
}
var host = uriPrefix.IndexOf (':') + 3;
if (host >= end) {
var msg = "No host is specified.";
throw new ArgumentException (msg, "uriPrefix");
}
if (uriPrefix[host] == ':') {
var msg = "No host is specified.";
throw new ArgumentException (msg, "uriPrefix");
}
var root = uriPrefix.IndexOf ('/', host, len - host);
if (root == host) {
var msg = "No host is specified.";
throw new ArgumentException (msg, "uriPrefix");
}
if (uriPrefix[root - 1] == ':') {
var msg = "No port is specified.";
throw new ArgumentException (msg, "uriPrefix");
}
if (root == end - 1) {
var msg = "No path is specified.";
throw new ArgumentException (msg, "uriPrefix");
}
}
/// <summary>
/// Determines whether the current instance is equal to the specified
/// <see cref="object"/> instance.
/// </summary>
/// <remarks>
/// This method will be required to detect duplicates in any collection.
/// </remarks>
/// <param name="obj">
/// <para>
/// An <see cref="object"/> instance to compare to the current instance.
/// </para>
/// <para>
/// An reference to a <see cref="HttpListenerPrefix"/> instance.
/// </para>
/// </param>
/// <returns>
/// <c>true</c> if the current instance and <paramref name="obj"/> have
/// the same URI prefix; otherwise, <c>false</c>.
/// </returns>
public override bool Equals (object obj)
{
var pref = obj as HttpListenerPrefix;
return pref != null && _prefix.Equals (pref._prefix);
}
/// <summary>
/// Gets the hash code for the current instance.
/// </summary>
/// <remarks>
/// This method will be required to detect duplicates in any collection.
/// </remarks>
/// <returns>
/// An <see cref="int"/> that represents the hash code.
/// </returns>
public override int GetHashCode ()
{
return _prefix.GetHashCode ();
}
public override string ToString ()
{
return _prefix;
}
#endregion
}
}

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#region License
/*
* HttpListenerPrefixCollection.cs
*
* This code is derived from HttpListenerPrefixCollection.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
namespace WebSocketSharp.Net
{
/// <summary>
/// Provides a collection used to store the URI prefixes for a instance of
/// the <see cref="HttpListener"/> class.
/// </summary>
/// <remarks>
/// The <see cref="HttpListener"/> instance responds to the request which has
/// a requested URI that the prefixes most closely match.
/// </remarks>
public class HttpListenerPrefixCollection : ICollection<string>
{
#region Private Fields
private HttpListener _listener;
private List<string> _prefixes;
#endregion
#region Internal Constructors
internal HttpListenerPrefixCollection (HttpListener listener)
{
_listener = listener;
_prefixes = new List<string> ();
}
#endregion
#region Public Properties
/// <summary>
/// Gets the number of prefixes in the collection.
/// </summary>
/// <value>
/// An <see cref="int"/> that represents the number of prefixes.
/// </value>
public int Count {
get {
return _prefixes.Count;
}
}
/// <summary>
/// Gets a value indicating whether the access to the collection is
/// read-only.
/// </summary>
/// <value>
/// Always returns <c>false</c>.
/// </value>
public bool IsReadOnly {
get {
return false;
}
}
/// <summary>
/// Gets a value indicating whether the access to the collection is
/// synchronized.
/// </summary>
/// <value>
/// Always returns <c>false</c>.
/// </value>
public bool IsSynchronized {
get {
return false;
}
}
#endregion
#region Public Methods
/// <summary>
/// Adds the specified URI prefix to the collection.
/// </summary>
/// <param name="uriPrefix">
/// <para>
/// A <see cref="string"/> that specifies the URI prefix to add.
/// </para>
/// <para>
/// It must be a well-formed URI prefix with http or https scheme,
/// and must end with a '/'.
/// </para>
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="uriPrefix"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="uriPrefix"/> is invalid.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// The <see cref="HttpListener"/> instance associated with this
/// collection is closed.
/// </exception>
public void Add (string uriPrefix)
{
_listener.CheckDisposed ();
HttpListenerPrefix.CheckPrefix (uriPrefix);
if (_prefixes.Contains (uriPrefix))
return;
if (_listener.IsListening)
EndPointManager.AddPrefix (uriPrefix, _listener);
_prefixes.Add (uriPrefix);
}
/// <summary>
/// Removes all URI prefixes from the collection.
/// </summary>
/// <exception cref="ObjectDisposedException">
/// The <see cref="HttpListener"/> instance associated with this
/// collection is closed.
/// </exception>
public void Clear ()
{
_listener.CheckDisposed ();
if (_listener.IsListening)
EndPointManager.RemoveListener (_listener);
_prefixes.Clear ();
}
/// <summary>
/// Returns a value indicating whether the collection contains the
/// specified URI prefix.
/// </summary>
/// <returns>
/// <c>true</c> if the collection contains the URI prefix; otherwise,
/// <c>false</c>.
/// </returns>
/// <param name="uriPrefix">
/// A <see cref="string"/> that specifies the URI prefix to test.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="uriPrefix"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// The <see cref="HttpListener"/> instance associated with this
/// collection is closed.
/// </exception>
public bool Contains (string uriPrefix)
{
_listener.CheckDisposed ();
if (uriPrefix == null)
throw new ArgumentNullException ("uriPrefix");
return _prefixes.Contains (uriPrefix);
}
/// <summary>
/// Copies the contents of the collection to the specified array of string.
/// </summary>
/// <param name="array">
/// An array of <see cref="string"/> that specifies the destination of
/// the URI prefix strings copied from the collection.
/// </param>
/// <param name="offset">
/// An <see cref="int"/> that specifies the zero-based index in
/// the array at which copying begins.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="array"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentOutOfRangeException">
/// <paramref name="offset"/> is less than zero.
/// </exception>
/// <exception cref="ArgumentException">
/// The space from <paramref name="offset"/> to the end of
/// <paramref name="array"/> is not enough to copy to.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// The <see cref="HttpListener"/> instance associated with this
/// collection is closed.
/// </exception>
public void CopyTo (string[] array, int offset)
{
_listener.CheckDisposed ();
_prefixes.CopyTo (array, offset);
}
/// <summary>
/// Gets the enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// An <see cref="T:System.Collections.Generic.IEnumerator{string}"/>
/// instance that can be used to iterate through the collection.
/// </returns>
public IEnumerator<string> GetEnumerator ()
{
return _prefixes.GetEnumerator ();
}
/// <summary>
/// Removes the specified URI prefix from the collection.
/// </summary>
/// <returns>
/// <c>true</c> if the URI prefix is successfully removed; otherwise,
/// <c>false</c>.
/// </returns>
/// <param name="uriPrefix">
/// A <see cref="string"/> that specifies the URI prefix to remove.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="uriPrefix"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ObjectDisposedException">
/// The <see cref="HttpListener"/> instance associated with this
/// collection is closed.
/// </exception>
public bool Remove (string uriPrefix)
{
_listener.CheckDisposed ();
if (uriPrefix == null)
throw new ArgumentNullException ("uriPrefix");
if (!_prefixes.Contains (uriPrefix))
return false;
if (_listener.IsListening)
EndPointManager.RemovePrefix (uriPrefix, _listener);
return _prefixes.Remove (uriPrefix);
}
#endregion
#region Explicit Interface Implementations
/// <summary>
/// Gets the enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// An <see cref="IEnumerator"/> instance that can be used to iterate
/// through the collection.
/// </returns>
IEnumerator IEnumerable.GetEnumerator ()
{
return _prefixes.GetEnumerator ();
}
#endregion
}
}

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#region License
/*
* HttpListenerRequest.cs
*
* This code is derived from HttpListenerRequest.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Globalization;
using System.IO;
using System.Security.Cryptography.X509Certificates;
using System.Text;
namespace WebSocketSharp.Net
{
/// <summary>
/// Represents an incoming HTTP request to a <see cref="HttpListener"/>
/// instance.
/// </summary>
/// <remarks>
/// This class cannot be inherited.
/// </remarks>
public sealed class HttpListenerRequest
{
#region Private Fields
private static readonly byte[] _100continue;
private string[] _acceptTypes;
private bool _chunked;
private HttpConnection _connection;
private Encoding _contentEncoding;
private long _contentLength;
private HttpListenerContext _context;
private CookieCollection _cookies;
private WebHeaderCollection _headers;
private string _httpMethod;
private Stream _inputStream;
private Version _protocolVersion;
private NameValueCollection _queryString;
private string _rawUrl;
private Guid _requestTraceIdentifier;
private Uri _url;
private Uri _urlReferrer;
private bool _urlSet;
private string _userHostName;
private string[] _userLanguages;
#endregion
#region Static Constructor
static HttpListenerRequest ()
{
_100continue = Encoding.ASCII.GetBytes ("HTTP/1.1 100 Continue\r\n\r\n");
}
#endregion
#region Internal Constructors
internal HttpListenerRequest (HttpListenerContext context)
{
_context = context;
_connection = context.Connection;
_contentLength = -1;
_headers = new WebHeaderCollection ();
_requestTraceIdentifier = Guid.NewGuid ();
}
#endregion
#region Public Properties
/// <summary>
/// Gets the media types that are acceptable for the client.
/// </summary>
/// <value>
/// <para>
/// An array of <see cref="string"/> that contains the names of the media
/// types specified in the value of the Accept header.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public string[] AcceptTypes {
get {
var val = _headers["Accept"];
if (val == null)
return null;
if (_acceptTypes == null) {
_acceptTypes = val
.SplitHeaderValue (',')
.TrimEach ()
.ToList ()
.ToArray ();
}
return _acceptTypes;
}
}
/// <summary>
/// Gets an error code that identifies a problem with the certificate
/// provided by the client.
/// </summary>
/// <value>
/// An <see cref="int"/> that represents an error code.
/// </value>
/// <exception cref="NotSupportedException">
/// This property is not supported.
/// </exception>
public int ClientCertificateError {
get {
throw new NotSupportedException ();
}
}
/// <summary>
/// Gets the encoding for the entity body data included in the request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Encoding"/> converted from the charset value of the
/// Content-Type header.
/// </para>
/// <para>
/// <see cref="Encoding.UTF8"/> if the charset value is not available.
/// </para>
/// </value>
public Encoding ContentEncoding {
get {
if (_contentEncoding == null)
_contentEncoding = getContentEncoding ();
return _contentEncoding;
}
}
/// <summary>
/// Gets the length in bytes of the entity body data included in the
/// request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="long"/> converted from the value of the Content-Length
/// header.
/// </para>
/// <para>
/// -1 if the header is not present.
/// </para>
/// </value>
public long ContentLength64 {
get {
return _contentLength;
}
}
/// <summary>
/// Gets the media type of the entity body data included in the request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of the Content-Type
/// header.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public string ContentType {
get {
return _headers["Content-Type"];
}
}
/// <summary>
/// Gets the cookies included in the request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="CookieCollection"/> that contains the cookies.
/// </para>
/// <para>
/// An empty collection if not included.
/// </para>
/// </value>
public CookieCollection Cookies {
get {
if (_cookies == null)
_cookies = _headers.GetCookies (false);
return _cookies;
}
}
/// <summary>
/// Gets a value indicating whether the request has the entity body data.
/// </summary>
/// <value>
/// <c>true</c> if the request has the entity body data; otherwise,
/// <c>false</c>.
/// </value>
public bool HasEntityBody {
get {
return _contentLength > 0 || _chunked;
}
}
/// <summary>
/// Gets the headers included in the request.
/// </summary>
/// <value>
/// A <see cref="NameValueCollection"/> that contains the headers.
/// </value>
public NameValueCollection Headers {
get {
return _headers;
}
}
/// <summary>
/// Gets the HTTP method specified by the client.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the HTTP method specified in
/// the request line.
/// </value>
public string HttpMethod {
get {
return _httpMethod;
}
}
/// <summary>
/// Gets a stream that contains the entity body data included in
/// the request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Stream"/> that contains the entity body data.
/// </para>
/// <para>
/// <see cref="Stream.Null"/> if the entity body data is not available.
/// </para>
/// </value>
public Stream InputStream {
get {
if (_inputStream == null) {
_inputStream = _contentLength > 0 || _chunked
? _connection
.GetRequestStream (_contentLength, _chunked)
: Stream.Null;
}
return _inputStream;
}
}
/// <summary>
/// Gets a value indicating whether the client is authenticated.
/// </summary>
/// <value>
/// <c>true</c> if the client is authenticated; otherwise, <c>false</c>.
/// </value>
public bool IsAuthenticated {
get {
return _context.User != null;
}
}
/// <summary>
/// Gets a value indicating whether the request is sent from the local
/// computer.
/// </summary>
/// <value>
/// <c>true</c> if the request is sent from the same computer as the server;
/// otherwise, <c>false</c>.
/// </value>
public bool IsLocal {
get {
return _connection.IsLocal;
}
}
/// <summary>
/// Gets a value indicating whether a secure connection is used to send
/// the request.
/// </summary>
/// <value>
/// <c>true</c> if the connection is secure; otherwise, <c>false</c>.
/// </value>
public bool IsSecureConnection {
get {
return _connection.IsSecure;
}
}
/// <summary>
/// Gets a value indicating whether the request is a WebSocket handshake
/// request.
/// </summary>
/// <value>
/// <c>true</c> if the request is a WebSocket handshake request; otherwise,
/// <c>false</c>.
/// </value>
public bool IsWebSocketRequest {
get {
return _httpMethod == "GET" && _headers.Upgrades ("websocket");
}
}
/// <summary>
/// Gets a value indicating whether a persistent connection is requested.
/// </summary>
/// <value>
/// <c>true</c> if the request specifies that the connection is kept open;
/// otherwise, <c>false</c>.
/// </value>
public bool KeepAlive {
get {
return _headers.KeepsAlive (_protocolVersion);
}
}
/// <summary>
/// Gets the endpoint to which the request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the server IP
/// address and port number.
/// </value>
public System.Net.IPEndPoint LocalEndPoint {
get {
return _connection.LocalEndPoint;
}
}
/// <summary>
/// Gets the HTTP version specified by the client.
/// </summary>
/// <value>
/// A <see cref="Version"/> that represents the HTTP version specified in
/// the request line.
/// </value>
public Version ProtocolVersion {
get {
return _protocolVersion;
}
}
/// <summary>
/// Gets the query string included in the request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="NameValueCollection"/> that contains the query
/// parameters.
/// </para>
/// <para>
/// An empty collection if not included.
/// </para>
/// </value>
public NameValueCollection QueryString {
get {
if (_queryString == null) {
var url = Url;
_queryString = QueryStringCollection
.Parse (
url != null ? url.Query : null,
Encoding.UTF8
);
}
return _queryString;
}
}
/// <summary>
/// Gets the raw URL specified by the client.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the request target specified in
/// the request line.
/// </value>
public string RawUrl {
get {
return _rawUrl;
}
}
/// <summary>
/// Gets the endpoint from which the request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the client IP
/// address and port number.
/// </value>
public System.Net.IPEndPoint RemoteEndPoint {
get {
return _connection.RemoteEndPoint;
}
}
/// <summary>
/// Gets the trace identifier of the request.
/// </summary>
/// <value>
/// A <see cref="Guid"/> that represents the trace identifier.
/// </value>
public Guid RequestTraceIdentifier {
get {
return _requestTraceIdentifier;
}
}
/// <summary>
/// Gets the URL requested by the client.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Uri"/> that represents the URL parsed from the request.
/// </para>
/// <para>
/// <see langword="null"/> if the URL cannot be parsed.
/// </para>
/// </value>
public Uri Url {
get {
if (!_urlSet) {
_url = HttpUtility
.CreateRequestUrl (
_rawUrl,
_userHostName ?? UserHostAddress,
IsWebSocketRequest,
IsSecureConnection
);
_urlSet = true;
}
return _url;
}
}
/// <summary>
/// Gets the URI of the resource from which the requested URL was obtained.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Uri"/> converted from the value of the Referer header.
/// </para>
/// <para>
/// <see langword="null"/> if the header value is not available.
/// </para>
/// </value>
public Uri UrlReferrer {
get {
var val = _headers["Referer"];
if (val == null)
return null;
if (_urlReferrer == null)
_urlReferrer = val.ToUri ();
return _urlReferrer;
}
}
/// <summary>
/// Gets the user agent from which the request is originated.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of the User-Agent
/// header.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public string UserAgent {
get {
return _headers["User-Agent"];
}
}
/// <summary>
/// Gets the IP address and port number to which the request is sent.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the server IP address and port
/// number.
/// </value>
public string UserHostAddress {
get {
return _connection.LocalEndPoint.ToString ();
}
}
/// <summary>
/// Gets the server host name requested by the client.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of the Host header.
/// </para>
/// <para>
/// It includes the port number if provided.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public string UserHostName {
get {
return _userHostName;
}
}
/// <summary>
/// Gets the natural languages that are acceptable for the client.
/// </summary>
/// <value>
/// <para>
/// An array of <see cref="string"/> that contains the names of the
/// natural languages specified in the value of the Accept-Language
/// header.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public string[] UserLanguages {
get {
var val = _headers["Accept-Language"];
if (val == null)
return null;
if (_userLanguages == null)
_userLanguages = val.Split (',').TrimEach ().ToList ().ToArray ();
return _userLanguages;
}
}
#endregion
#region Private Methods
private Encoding getContentEncoding ()
{
var val = _headers["Content-Type"];
if (val == null)
return Encoding.UTF8;
Encoding ret;
return HttpUtility.TryGetEncoding (val, out ret)
? ret
: Encoding.UTF8;
}
#endregion
#region Internal Methods
internal void AddHeader (string headerField)
{
var start = headerField[0];
if (start == ' ' || start == '\t') {
_context.ErrorMessage = "Invalid header field";
return;
}
var colon = headerField.IndexOf (':');
if (colon < 1) {
_context.ErrorMessage = "Invalid header field";
return;
}
var name = headerField.Substring (0, colon).Trim ();
if (name.Length == 0 || !name.IsToken ()) {
_context.ErrorMessage = "Invalid header name";
return;
}
var val = colon < headerField.Length - 1
? headerField.Substring (colon + 1).Trim ()
: String.Empty;
_headers.InternalSet (name, val, false);
var lower = name.ToLower (CultureInfo.InvariantCulture);
if (lower == "host") {
if (_userHostName != null) {
_context.ErrorMessage = "Invalid Host header";
return;
}
if (val.Length == 0) {
_context.ErrorMessage = "Invalid Host header";
return;
}
_userHostName = val;
return;
}
if (lower == "content-length") {
if (_contentLength > -1) {
_context.ErrorMessage = "Invalid Content-Length header";
return;
}
long len;
if (!Int64.TryParse (val, out len)) {
_context.ErrorMessage = "Invalid Content-Length header";
return;
}
if (len < 0) {
_context.ErrorMessage = "Invalid Content-Length header";
return;
}
_contentLength = len;
return;
}
}
internal void FinishInitialization ()
{
if (_userHostName == null) {
_context.ErrorMessage = "Host header required";
return;
}
var transferEnc = _headers["Transfer-Encoding"];
if (transferEnc != null) {
var comparison = StringComparison.OrdinalIgnoreCase;
if (!transferEnc.Equals ("chunked", comparison)) {
_context.ErrorMessage = "Invalid Transfer-Encoding header";
_context.ErrorStatusCode = 501;
return;
}
_chunked = true;
}
if (_httpMethod == "POST" || _httpMethod == "PUT") {
if (_contentLength <= 0 && !_chunked) {
_context.ErrorMessage = String.Empty;
_context.ErrorStatusCode = 411;
return;
}
}
var expect = _headers["Expect"];
if (expect != null) {
var comparison = StringComparison.OrdinalIgnoreCase;
if (!expect.Equals ("100-continue", comparison)) {
_context.ErrorMessage = "Invalid Expect header";
return;
}
var output = _connection.GetResponseStream ();
output.InternalWrite (_100continue, 0, _100continue.Length);
}
}
internal bool FlushInput ()
{
var input = InputStream;
if (input == Stream.Null)
return true;
var len = 2048;
if (_contentLength > 0 && _contentLength < len)
len = (int) _contentLength;
var buff = new byte[len];
while (true) {
try {
var ares = input.BeginRead (buff, 0, len, null, null);
if (!ares.IsCompleted) {
var timeout = 100;
if (!ares.AsyncWaitHandle.WaitOne (timeout))
return false;
}
if (input.EndRead (ares) <= 0)
return true;
}
catch {
return false;
}
}
}
internal bool IsUpgradeRequest (string protocol)
{
return _headers.Upgrades (protocol);
}
internal void SetRequestLine (string requestLine)
{
var parts = requestLine.Split (new[] { ' ' }, 3);
if (parts.Length < 3) {
_context.ErrorMessage = "Invalid request line (parts)";
return;
}
var method = parts[0];
if (method.Length == 0) {
_context.ErrorMessage = "Invalid request line (method)";
return;
}
var target = parts[1];
if (target.Length == 0) {
_context.ErrorMessage = "Invalid request line (target)";
return;
}
var rawVer = parts[2];
if (rawVer.Length != 8) {
_context.ErrorMessage = "Invalid request line (version)";
return;
}
if (!rawVer.StartsWith ("HTTP/", StringComparison.Ordinal)) {
_context.ErrorMessage = "Invalid request line (version)";
return;
}
Version ver;
if (!rawVer.Substring (5).TryCreateVersion (out ver)) {
_context.ErrorMessage = "Invalid request line (version)";
return;
}
if (ver != HttpVersion.Version11) {
_context.ErrorMessage = "Invalid request line (version)";
_context.ErrorStatusCode = 505;
return;
}
if (!method.IsHttpMethod (ver)) {
_context.ErrorMessage = "Invalid request line (method)";
_context.ErrorStatusCode = 501;
return;
}
_httpMethod = method;
_rawUrl = target;
_protocolVersion = ver;
}
#endregion
#region Public Methods
/// <summary>
/// Begins getting the certificate provided by the client asynchronously.
/// </summary>
/// <returns>
/// An <see cref="IAsyncResult"/> instance that indicates the status of the
/// operation.
/// </returns>
/// <param name="requestCallback">
/// An <see cref="AsyncCallback"/> delegate that invokes the method called
/// when the operation is complete.
/// </param>
/// <param name="state">
/// An <see cref="object"/> that represents a user defined object to pass to
/// the callback delegate.
/// </param>
/// <exception cref="NotSupportedException">
/// This method is not supported.
/// </exception>
public IAsyncResult BeginGetClientCertificate (
AsyncCallback requestCallback, object state
)
{
throw new NotSupportedException ();
}
/// <summary>
/// Ends an asynchronous operation to get the certificate provided by the
/// client.
/// </summary>
/// <returns>
/// A <see cref="X509Certificate2"/> that represents an X.509 certificate
/// provided by the client.
/// </returns>
/// <param name="asyncResult">
/// An <see cref="IAsyncResult"/> instance returned when the operation
/// started.
/// </param>
/// <exception cref="NotSupportedException">
/// This method is not supported.
/// </exception>
public X509Certificate2 EndGetClientCertificate (IAsyncResult asyncResult)
{
throw new NotSupportedException ();
}
/// <summary>
/// Gets the certificate provided by the client.
/// </summary>
/// <returns>
/// A <see cref="X509Certificate2"/> that represents an X.509 certificate
/// provided by the client.
/// </returns>
/// <exception cref="NotSupportedException">
/// This method is not supported.
/// </exception>
public X509Certificate2 GetClientCertificate ()
{
throw new NotSupportedException ();
}
/// <summary>
/// Returns a string that represents the current instance.
/// </summary>
/// <returns>
/// A <see cref="string"/> that contains the request line and headers
/// included in the request.
/// </returns>
public override string ToString ()
{
var buff = new StringBuilder (64);
buff
.AppendFormat (
"{0} {1} HTTP/{2}\r\n", _httpMethod, _rawUrl, _protocolVersion
)
.Append (_headers.ToString ());
return buff.ToString ();
}
#endregion
}
}

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#region License
/*
* HttpRequestHeader.cs
*
* This code is derived from HttpRequestHeader.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2014-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
namespace WebSocketSharp.Net
{
/// <summary>
/// Indicates the HTTP header that may be specified in a client request.
/// </summary>
/// <remarks>
/// The headers of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc2616#section-14">RFC 2616</see> or
/// <see href="http://tools.ietf.org/html/rfc6455#section-11.3">RFC 6455</see>.
/// </remarks>
public enum HttpRequestHeader
{
/// <summary>
/// Indicates the Cache-Control header.
/// </summary>
CacheControl,
/// <summary>
/// Indicates the Connection header.
/// </summary>
Connection,
/// <summary>
/// Indicates the Date header.
/// </summary>
Date,
/// <summary>
/// Indicates the Keep-Alive header.
/// </summary>
KeepAlive,
/// <summary>
/// Indicates the Pragma header.
/// </summary>
Pragma,
/// <summary>
/// Indicates the Trailer header.
/// </summary>
Trailer,
/// <summary>
/// Indicates the Transfer-Encoding header.
/// </summary>
TransferEncoding,
/// <summary>
/// Indicates the Upgrade header.
/// </summary>
Upgrade,
/// <summary>
/// Indicates the Via header.
/// </summary>
Via,
/// <summary>
/// Indicates the Warning header.
/// </summary>
Warning,
/// <summary>
/// Indicates the Allow header.
/// </summary>
Allow,
/// <summary>
/// Indicates the Content-Length header.
/// </summary>
ContentLength,
/// <summary>
/// Indicates the Content-Type header.
/// </summary>
ContentType,
/// <summary>
/// Indicates the Content-Encoding header.
/// </summary>
ContentEncoding,
/// <summary>
/// Indicates the Content-Language header.
/// </summary>
ContentLanguage,
/// <summary>
/// Indicates the Content-Location header.
/// </summary>
ContentLocation,
/// <summary>
/// Indicates the Content-MD5 header.
/// </summary>
ContentMd5,
/// <summary>
/// Indicates the Content-Range header.
/// </summary>
ContentRange,
/// <summary>
/// Indicates the Expires header.
/// </summary>
Expires,
/// <summary>
/// Indicates the Last-Modified header.
/// </summary>
LastModified,
/// <summary>
/// Indicates the Accept header.
/// </summary>
Accept,
/// <summary>
/// Indicates the Accept-Charset header.
/// </summary>
AcceptCharset,
/// <summary>
/// Indicates the Accept-Encoding header.
/// </summary>
AcceptEncoding,
/// <summary>
/// Indicates the Accept-Language header.
/// </summary>
AcceptLanguage,
/// <summary>
/// Indicates the Authorization header.
/// </summary>
Authorization,
/// <summary>
/// Indicates the Cookie header.
/// </summary>
Cookie,
/// <summary>
/// Indicates the Expect header.
/// </summary>
Expect,
/// <summary>
/// Indicates the From header.
/// </summary>
From,
/// <summary>
/// Indicates the Host header.
/// </summary>
Host,
/// <summary>
/// Indicates the If-Match header.
/// </summary>
IfMatch,
/// <summary>
/// Indicates the If-Modified-Since header.
/// </summary>
IfModifiedSince,
/// <summary>
/// Indicates the If-None-Match header.
/// </summary>
IfNoneMatch,
/// <summary>
/// Indicates the If-Range header.
/// </summary>
IfRange,
/// <summary>
/// Indicates the If-Unmodified-Since header.
/// </summary>
IfUnmodifiedSince,
/// <summary>
/// Indicates the Max-Forwards header.
/// </summary>
MaxForwards,
/// <summary>
/// Indicates the Proxy-Authorization header.
/// </summary>
ProxyAuthorization,
/// <summary>
/// Indicates the Referer header.
/// </summary>
Referer,
/// <summary>
/// Indicates the Range header.
/// </summary>
Range,
/// <summary>
/// Indicates the TE header.
/// </summary>
Te,
/// <summary>
/// Indicates the Translate header.
/// </summary>
Translate,
/// <summary>
/// Indicates the User-Agent header.
/// </summary>
UserAgent,
/// <summary>
/// Indicates the Sec-WebSocket-Key header.
/// </summary>
SecWebSocketKey,
/// <summary>
/// Indicates the Sec-WebSocket-Extensions header.
/// </summary>
SecWebSocketExtensions,
/// <summary>
/// Indicates the Sec-WebSocket-Protocol header.
/// </summary>
SecWebSocketProtocol,
/// <summary>
/// Indicates the Sec-WebSocket-Version header.
/// </summary>
SecWebSocketVersion
}
}

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#region License
/*
* HttpResponseHeader.cs
*
* This code is derived from HttpResponseHeader.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2014-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
namespace WebSocketSharp.Net
{
/// <summary>
/// Indicates the HTTP header that can be specified in a server response.
/// </summary>
/// <remarks>
/// The headers of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc2616#section-14">RFC 2616</see> or
/// <see href="http://tools.ietf.org/html/rfc6455#section-11.3">RFC 6455</see>.
/// </remarks>
public enum HttpResponseHeader
{
/// <summary>
/// Indicates the Cache-Control header.
/// </summary>
CacheControl,
/// <summary>
/// Indicates the Connection header.
/// </summary>
Connection,
/// <summary>
/// Indicates the Date header.
/// </summary>
Date,
/// <summary>
/// Indicates the Keep-Alive header.
/// </summary>
KeepAlive,
/// <summary>
/// Indicates the Pragma header.
/// </summary>
Pragma,
/// <summary>
/// Indicates the Trailer header.
/// </summary>
Trailer,
/// <summary>
/// Indicates the Transfer-Encoding header.
/// </summary>
TransferEncoding,
/// <summary>
/// Indicates the Upgrade header.
/// </summary>
Upgrade,
/// <summary>
/// Indicates the Via header.
/// </summary>
Via,
/// <summary>
/// Indicates the Warning header.
/// </summary>
Warning,
/// <summary>
/// Indicates the Allow header.
/// </summary>
Allow,
/// <summary>
/// Indicates the Content-Length header.
/// </summary>
ContentLength,
/// <summary>
/// Indicates the Content-Type header.
/// </summary>
ContentType,
/// <summary>
/// Indicates the Content-Encoding header.
/// </summary>
ContentEncoding,
/// <summary>
/// Indicates the Content-Language header.
/// </summary>
ContentLanguage,
/// <summary>
/// Indicates the Content-Location header.
/// </summary>
ContentLocation,
/// <summary>
/// Indicates the Content-MD5 header.
/// </summary>
ContentMd5,
/// <summary>
/// Indicates the Content-Range header.
/// </summary>
ContentRange,
/// <summary>
/// Indicates the Expires header.
/// </summary>
Expires,
/// <summary>
/// Indicates the Last-Modified header.
/// </summary>
LastModified,
/// <summary>
/// Indicates the Accept-Ranges header.
/// </summary>
AcceptRanges,
/// <summary>
/// Indicates the Age header.
/// </summary>
Age,
/// <summary>
/// Indicates the ETag header.
/// </summary>
ETag,
/// <summary>
/// Indicates the Location header.
/// </summary>
Location,
/// <summary>
/// Indicates the Proxy-Authenticate header.
/// </summary>
ProxyAuthenticate,
/// <summary>
/// Indicates the Retry-After header.
/// </summary>
RetryAfter,
/// <summary>
/// Indicates the Server header.
/// </summary>
Server,
/// <summary>
/// Indicates the Set-Cookie header.
/// </summary>
SetCookie,
/// <summary>
/// Indicates the Vary header.
/// </summary>
Vary,
/// <summary>
/// Indicates the WWW-Authenticate header.
/// </summary>
WwwAuthenticate,
/// <summary>
/// Indicates the Sec-WebSocket-Extensions header.
/// </summary>
SecWebSocketExtensions,
/// <summary>
/// Indicates the Sec-WebSocket-Accept header.
/// </summary>
SecWebSocketAccept,
/// <summary>
/// Indicates the Sec-WebSocket-Protocol header.
/// </summary>
SecWebSocketProtocol,
/// <summary>
/// Indicates the Sec-WebSocket-Version header.
/// </summary>
SecWebSocketVersion
}
}

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#region License
/*
* HttpStatusCode.cs
*
* This code is derived from HttpStatusCode.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* It was automatically generated from ECMA CLI XML Library Specification.
* Generator: libgen.xsl [1.0; (C) Sergey Chaban (serge@wildwestsoftware.com)]
* Created: Wed, 5 Sep 2001 06:32:05 UTC
* Source file: AllTypes.xml
* URL: http://msdn.microsoft.com/net/ecma/AllTypes.xml
*
* The MIT License
*
* Copyright (c) 2001 Ximian, Inc. (http://www.ximian.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
namespace WebSocketSharp.Net
{
/// <summary>
/// Indicates the HTTP status code that can be specified in a server response.
/// </summary>
/// <remarks>
/// The values of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc2616#section-10">RFC 2616</see>.
/// </remarks>
public enum HttpStatusCode
{
/// <summary>
/// Equivalent to status code 100. Indicates that the client should continue
/// with its request.
/// </summary>
Continue = 100,
/// <summary>
/// Equivalent to status code 101. Indicates that the server is switching
/// the HTTP version or protocol on the connection.
/// </summary>
SwitchingProtocols = 101,
/// <summary>
/// Equivalent to status code 200. Indicates that the client's request has
/// succeeded.
/// </summary>
OK = 200,
/// <summary>
/// Equivalent to status code 201. Indicates that the client's request has
/// been fulfilled and resulted in a new resource being created.
/// </summary>
Created = 201,
/// <summary>
/// Equivalent to status code 202. Indicates that the client's request has
/// been accepted for processing, but the processing has not been completed.
/// </summary>
Accepted = 202,
/// <summary>
/// Equivalent to status code 203. Indicates that the returned metainformation
/// is from a local or a third-party copy instead of the origin server.
/// </summary>
NonAuthoritativeInformation = 203,
/// <summary>
/// Equivalent to status code 204. Indicates that the server has fulfilled
/// the client's request but does not need to return an entity-body.
/// </summary>
NoContent = 204,
/// <summary>
/// Equivalent to status code 205. Indicates that the server has fulfilled
/// the client's request, and the user agent should reset the document view
/// which caused the request to be sent.
/// </summary>
ResetContent = 205,
/// <summary>
/// Equivalent to status code 206. Indicates that the server has fulfilled
/// the partial GET request for the resource.
/// </summary>
PartialContent = 206,
/// <summary>
/// <para>
/// Equivalent to status code 300. Indicates that the requested resource
/// corresponds to any of multiple representations.
/// </para>
/// <para>
/// MultipleChoices is a synonym for Ambiguous.
/// </para>
/// </summary>
MultipleChoices = 300,
/// <summary>
/// <para>
/// Equivalent to status code 300. Indicates that the requested resource
/// corresponds to any of multiple representations.
/// </para>
/// <para>
/// Ambiguous is a synonym for MultipleChoices.
/// </para>
/// </summary>
Ambiguous = 300,
/// <summary>
/// <para>
/// Equivalent to status code 301. Indicates that the requested resource
/// has been assigned a new permanent URI and any future references to
/// this resource should use one of the returned URIs.
/// </para>
/// <para>
/// MovedPermanently is a synonym for Moved.
/// </para>
/// </summary>
MovedPermanently = 301,
/// <summary>
/// <para>
/// Equivalent to status code 301. Indicates that the requested resource
/// has been assigned a new permanent URI and any future references to
/// this resource should use one of the returned URIs.
/// </para>
/// <para>
/// Moved is a synonym for MovedPermanently.
/// </para>
/// </summary>
Moved = 301,
/// <summary>
/// <para>
/// Equivalent to status code 302. Indicates that the requested resource
/// is located temporarily under a different URI.
/// </para>
/// <para>
/// Found is a synonym for Redirect.
/// </para>
/// </summary>
Found = 302,
/// <summary>
/// <para>
/// Equivalent to status code 302. Indicates that the requested resource
/// is located temporarily under a different URI.
/// </para>
/// <para>
/// Redirect is a synonym for Found.
/// </para>
/// </summary>
Redirect = 302,
/// <summary>
/// <para>
/// Equivalent to status code 303. Indicates that the response to
/// the request can be found under a different URI and should be
/// retrieved using a GET method on that resource.
/// </para>
/// <para>
/// SeeOther is a synonym for RedirectMethod.
/// </para>
/// </summary>
SeeOther = 303,
/// <summary>
/// <para>
/// Equivalent to status code 303. Indicates that the response to
/// the request can be found under a different URI and should be
/// retrieved using a GET method on that resource.
/// </para>
/// <para>
/// RedirectMethod is a synonym for SeeOther.
/// </para>
/// </summary>
RedirectMethod = 303,
/// <summary>
/// Equivalent to status code 304. Indicates that the client has performed
/// a conditional GET request and access is allowed, but the document has
/// not been modified.
/// </summary>
NotModified = 304,
/// <summary>
/// Equivalent to status code 305. Indicates that the requested resource
/// must be accessed through the proxy given by the Location field.
/// </summary>
UseProxy = 305,
/// <summary>
/// Equivalent to status code 306. This status code was used in a previous
/// version of the specification, is no longer used, and is reserved for
/// future use.
/// </summary>
Unused = 306,
/// <summary>
/// <para>
/// Equivalent to status code 307. Indicates that the requested resource
/// is located temporarily under a different URI.
/// </para>
/// <para>
/// TemporaryRedirect is a synonym for RedirectKeepVerb.
/// </para>
/// </summary>
TemporaryRedirect = 307,
/// <summary>
/// <para>
/// Equivalent to status code 307. Indicates that the requested resource
/// is located temporarily under a different URI.
/// </para>
/// <para>
/// RedirectKeepVerb is a synonym for TemporaryRedirect.
/// </para>
/// </summary>
RedirectKeepVerb = 307,
/// <summary>
/// Equivalent to status code 400. Indicates that the client's request could
/// not be understood by the server due to malformed syntax.
/// </summary>
BadRequest = 400,
/// <summary>
/// Equivalent to status code 401. Indicates that the client's request
/// requires user authentication.
/// </summary>
Unauthorized = 401,
/// <summary>
/// Equivalent to status code 402. This status code is reserved for future
/// use.
/// </summary>
PaymentRequired = 402,
/// <summary>
/// Equivalent to status code 403. Indicates that the server understood
/// the client's request but is refusing to fulfill it.
/// </summary>
Forbidden = 403,
/// <summary>
/// Equivalent to status code 404. Indicates that the server has not found
/// anything matching the request URI.
/// </summary>
NotFound = 404,
/// <summary>
/// Equivalent to status code 405. Indicates that the method specified
/// in the request line is not allowed for the resource identified by
/// the request URI.
/// </summary>
MethodNotAllowed = 405,
/// <summary>
/// Equivalent to status code 406. Indicates that the server does not
/// have the appropriate resource to respond to the Accept headers in
/// the client's request.
/// </summary>
NotAcceptable = 406,
/// <summary>
/// Equivalent to status code 407. Indicates that the client must first
/// authenticate itself with the proxy.
/// </summary>
ProxyAuthenticationRequired = 407,
/// <summary>
/// Equivalent to status code 408. Indicates that the client did not produce
/// a request within the time that the server was prepared to wait.
/// </summary>
RequestTimeout = 408,
/// <summary>
/// Equivalent to status code 409. Indicates that the client's request could
/// not be completed due to a conflict on the server.
/// </summary>
Conflict = 409,
/// <summary>
/// Equivalent to status code 410. Indicates that the requested resource is
/// no longer available at the server and no forwarding address is known.
/// </summary>
Gone = 410,
/// <summary>
/// Equivalent to status code 411. Indicates that the server refuses to
/// accept the client's request without a defined Content-Length.
/// </summary>
LengthRequired = 411,
/// <summary>
/// Equivalent to status code 412. Indicates that the precondition given in
/// one or more of the request headers evaluated to false when it was tested
/// on the server.
/// </summary>
PreconditionFailed = 412,
/// <summary>
/// Equivalent to status code 413. Indicates that the entity of the client's
/// request is larger than the server is willing or able to process.
/// </summary>
RequestEntityTooLarge = 413,
/// <summary>
/// Equivalent to status code 414. Indicates that the request URI is longer
/// than the server is willing to interpret.
/// </summary>
RequestUriTooLong = 414,
/// <summary>
/// Equivalent to status code 415. Indicates that the entity of the client's
/// request is in a format not supported by the requested resource for the
/// requested method.
/// </summary>
UnsupportedMediaType = 415,
/// <summary>
/// Equivalent to status code 416. Indicates that none of the range
/// specifier values in a Range request header overlap the current
/// extent of the selected resource.
/// </summary>
RequestedRangeNotSatisfiable = 416,
/// <summary>
/// Equivalent to status code 417. Indicates that the expectation given in
/// an Expect request header could not be met by the server.
/// </summary>
ExpectationFailed = 417,
/// <summary>
/// Equivalent to status code 500. Indicates that the server encountered
/// an unexpected condition which prevented it from fulfilling the client's
/// request.
/// </summary>
InternalServerError = 500,
/// <summary>
/// Equivalent to status code 501. Indicates that the server does not
/// support the functionality required to fulfill the client's request.
/// </summary>
NotImplemented = 501,
/// <summary>
/// Equivalent to status code 502. Indicates that a gateway or proxy server
/// received an invalid response from the upstream server.
/// </summary>
BadGateway = 502,
/// <summary>
/// Equivalent to status code 503. Indicates that the server is currently
/// unable to handle the client's request due to a temporary overloading
/// or maintenance of the server.
/// </summary>
ServiceUnavailable = 503,
/// <summary>
/// Equivalent to status code 504. Indicates that a gateway or proxy server
/// did not receive a timely response from the upstream server or some other
/// auxiliary server.
/// </summary>
GatewayTimeout = 504,
/// <summary>
/// Equivalent to status code 505. Indicates that the server does not
/// support the HTTP version used in the client's request.
/// </summary>
HttpVersionNotSupported = 505,
}
}

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#region License
/*
* HttpStreamAsyncResult.cs
*
* This code is derived from HttpStreamAsyncResult.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.Threading;
namespace WebSocketSharp.Net
{
internal class HttpStreamAsyncResult : IAsyncResult
{
#region Private Fields
private byte[] _buffer;
private AsyncCallback _callback;
private bool _completed;
private int _count;
private Exception _exception;
private int _offset;
private object _state;
private object _sync;
private int _syncRead;
private ManualResetEvent _waitHandle;
#endregion
#region Internal Constructors
internal HttpStreamAsyncResult (AsyncCallback callback, object state)
{
_callback = callback;
_state = state;
_sync = new object ();
}
#endregion
#region Internal Properties
internal byte[] Buffer {
get {
return _buffer;
}
set {
_buffer = value;
}
}
internal int Count {
get {
return _count;
}
set {
_count = value;
}
}
internal Exception Exception {
get {
return _exception;
}
}
internal bool HasException {
get {
return _exception != null;
}
}
internal int Offset {
get {
return _offset;
}
set {
_offset = value;
}
}
internal int SyncRead {
get {
return _syncRead;
}
set {
_syncRead = value;
}
}
#endregion
#region Public Properties
public object AsyncState {
get {
return _state;
}
}
public WaitHandle AsyncWaitHandle {
get {
lock (_sync) {
if (_waitHandle == null)
_waitHandle = new ManualResetEvent (_completed);
return _waitHandle;
}
}
}
public bool CompletedSynchronously {
get {
return _syncRead == _count;
}
}
public bool IsCompleted {
get {
lock (_sync)
return _completed;
}
}
#endregion
#region Internal Methods
internal void Complete ()
{
lock (_sync) {
if (_completed)
return;
_completed = true;
if (_waitHandle != null)
_waitHandle.Set ();
if (_callback != null)
_callback.BeginInvoke (this, ar => _callback.EndInvoke (ar), null);
}
}
internal void Complete (Exception exception)
{
lock (_sync) {
if (_completed)
return;
_completed = true;
_exception = exception;
if (_waitHandle != null)
_waitHandle.Set ();
if (_callback != null)
_callback.BeginInvoke (this, ar => _callback.EndInvoke (ar), null);
}
}
#endregion
}
}

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#region License
/*
* HttpVersion.cs
*
* This code is derived from System.Net.HttpVersion.cs of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2012-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Lawrence Pit <loz@cable.a2000.nl>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
/// <summary>
/// Provides the HTTP version numbers.
/// </summary>
public class HttpVersion
{
#region Public Fields
/// <summary>
/// Provides a <see cref="Version"/> instance for the HTTP/1.0.
/// </summary>
public static readonly Version Version10 = new Version (1, 0);
/// <summary>
/// Provides a <see cref="Version"/> instance for the HTTP/1.1.
/// </summary>
public static readonly Version Version11 = new Version (1, 1);
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="HttpVersion"/> class.
/// </summary>
public HttpVersion ()
{
}
#endregion
}
}

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#region License
/*
* InputChunkState.cs
*
* This code is derived from ChunkStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2003 Ximian, Inc (http://www.ximian.com)
* Copyright (c) 2014-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal enum InputChunkState
{
None,
Data,
DataEnded,
Trailer,
End
}
}

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#region License
/*
* InputState.cs
*
* This code is derived from HttpConnection.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2014-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal enum InputState
{
RequestLine,
Headers
}
}

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#region License
/*
* LineState.cs
*
* This code is derived from HttpConnection.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2014-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal enum LineState
{
None,
Cr,
Lf
}
}

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#region License
/*
* NetworkCredential.cs
*
* The MIT License
*
* Copyright (c) 2014-2017 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
/// <summary>
/// Provides the credentials for the password-based authentication.
/// </summary>
public class NetworkCredential
{
#region Private Fields
private string _domain;
private static readonly string[] _noRoles;
private string _password;
private string[] _roles;
private string _username;
#endregion
#region Static Constructor
static NetworkCredential ()
{
_noRoles = new string[0];
}
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="NetworkCredential"/> class with
/// the specified <paramref name="username"/> and <paramref name="password"/>.
/// </summary>
/// <param name="username">
/// A <see cref="string"/> that represents the username associated with
/// the credentials.
/// </param>
/// <param name="password">
/// A <see cref="string"/> that represents the password for the username
/// associated with the credentials.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="username"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="username"/> is empty.
/// </exception>
public NetworkCredential (string username, string password)
: this (username, password, null, null)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="NetworkCredential"/> class with
/// the specified <paramref name="username"/>, <paramref name="password"/>,
/// <paramref name="domain"/> and <paramref name="roles"/>.
/// </summary>
/// <param name="username">
/// A <see cref="string"/> that represents the username associated with
/// the credentials.
/// </param>
/// <param name="password">
/// A <see cref="string"/> that represents the password for the username
/// associated with the credentials.
/// </param>
/// <param name="domain">
/// A <see cref="string"/> that represents the domain associated with
/// the credentials.
/// </param>
/// <param name="roles">
/// An array of <see cref="string"/> that represents the roles
/// associated with the credentials if any.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="username"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="username"/> is empty.
/// </exception>
public NetworkCredential (
string username, string password, string domain, params string[] roles
)
{
if (username == null)
throw new ArgumentNullException ("username");
if (username.Length == 0)
throw new ArgumentException ("An empty string.", "username");
_username = username;
_password = password;
_domain = domain;
_roles = roles;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the domain associated with the credentials.
/// </summary>
/// <remarks>
/// This property returns an empty string if the domain was
/// initialized with <see langword="null"/>.
/// </remarks>
/// <value>
/// A <see cref="string"/> that represents the domain name
/// to which the username belongs.
/// </value>
public string Domain {
get {
return _domain ?? String.Empty;
}
internal set {
_domain = value;
}
}
/// <summary>
/// Gets the password for the username associated with the credentials.
/// </summary>
/// <remarks>
/// This property returns an empty string if the password was
/// initialized with <see langword="null"/>.
/// </remarks>
/// <value>
/// A <see cref="string"/> that represents the password.
/// </value>
public string Password {
get {
return _password ?? String.Empty;
}
internal set {
_password = value;
}
}
/// <summary>
/// Gets the roles associated with the credentials.
/// </summary>
/// <remarks>
/// This property returns an empty array if the roles were
/// initialized with <see langword="null"/>.
/// </remarks>
/// <value>
/// An array of <see cref="string"/> that represents the role names
/// to which the username belongs.
/// </value>
public string[] Roles {
get {
return _roles ?? _noRoles;
}
internal set {
_roles = value;
}
}
/// <summary>
/// Gets the username associated with the credentials.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the username.
/// </value>
public string Username {
get {
return _username;
}
internal set {
_username = value;
}
}
#endregion
}
}

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#region License
/*
* QueryStringCollection.cs
*
* This code is derived from HttpUtility.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005-2009 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2018 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Patrik Torstensson <Patrik.Torstensson@labs2.com>
* - Wictor Wilén (decode/encode functions) <wictor@ibizkit.se>
* - Tim Coleman <tim@timcoleman.com>
* - Gonzalo Paniagua Javier <gonzalo@ximian.com>
*/
#endregion
using System;
using System.Collections.Specialized;
using System.Text;
namespace WebSocketSharp.Net
{
internal sealed class QueryStringCollection : NameValueCollection
{
#region Public Constructors
public QueryStringCollection ()
{
}
public QueryStringCollection (int capacity)
: base (capacity)
{
}
#endregion
#region Private Methods
private static string urlDecode (string s, Encoding encoding)
{
return s.IndexOfAny (new[] { '%', '+' }) > -1
? HttpUtility.UrlDecode (s, encoding)
: s;
}
#endregion
#region Public Methods
public static QueryStringCollection Parse (string query)
{
return Parse (query, Encoding.UTF8);
}
public static QueryStringCollection Parse (string query, Encoding encoding)
{
if (query == null)
return new QueryStringCollection (1);
var len = query.Length;
if (len == 0)
return new QueryStringCollection (1);
if (query == "?")
return new QueryStringCollection (1);
if (query[0] == '?')
query = query.Substring (1);
if (encoding == null)
encoding = Encoding.UTF8;
var ret = new QueryStringCollection ();
var components = query.Split ('&');
foreach (var component in components) {
len = component.Length;
if (len == 0)
continue;
if (component == "=")
continue;
var i = component.IndexOf ('=');
if (i < 0) {
ret.Add (null, urlDecode (component, encoding));
continue;
}
if (i == 0) {
ret.Add (null, urlDecode (component.Substring (1), encoding));
continue;
}
var name = urlDecode (component.Substring (0, i), encoding);
var start = i + 1;
var val = start < len
? urlDecode (component.Substring (start), encoding)
: String.Empty;
ret.Add (name, val);
}
return ret;
}
public override string ToString ()
{
var buff = new StringBuilder ();
foreach (var key in AllKeys)
buff.AppendFormat ("{0}={1}&", key, this[key]);
if (buff.Length > 0)
buff.Length--;
return buff.ToString ();
}
#endregion
}
}

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#region License
/*
* ReadBufferState.cs
*
* This code is derived from ChunkedInputStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2014-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
namespace WebSocketSharp.Net
{
internal class ReadBufferState
{
#region Private Fields
private HttpStreamAsyncResult _asyncResult;
private byte[] _buffer;
private int _count;
private int _initialCount;
private int _offset;
#endregion
#region Public Constructors
public ReadBufferState (
byte[] buffer, int offset, int count, HttpStreamAsyncResult asyncResult
)
{
_buffer = buffer;
_offset = offset;
_count = count;
_asyncResult = asyncResult;
_initialCount = count;
}
#endregion
#region Public Properties
public HttpStreamAsyncResult AsyncResult {
get {
return _asyncResult;
}
set {
_asyncResult = value;
}
}
public byte[] Buffer {
get {
return _buffer;
}
set {
_buffer = value;
}
}
public int Count {
get {
return _count;
}
set {
_count = value;
}
}
public int InitialCount {
get {
return _initialCount;
}
set {
_initialCount = value;
}
}
public int Offset {
get {
return _offset;
}
set {
_offset = value;
}
}
#endregion
}
}

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#region License
/*
* RequestStream.cs
*
* This code is derived from RequestStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.IO;
namespace WebSocketSharp.Net
{
internal class RequestStream : Stream
{
#region Private Fields
private long _bodyLeft;
private byte[] _buffer;
private int _count;
private bool _disposed;
private int _offset;
private Stream _stream;
#endregion
#region Internal Constructors
internal RequestStream (
Stream stream, byte[] buffer, int offset, int count, long contentLength
)
{
_stream = stream;
_buffer = buffer;
_offset = offset;
_count = count;
_bodyLeft = contentLength;
}
#endregion
#region Public Properties
public override bool CanRead {
get {
return true;
}
}
public override bool CanSeek {
get {
return false;
}
}
public override bool CanWrite {
get {
return false;
}
}
public override long Length {
get {
throw new NotSupportedException ();
}
}
public override long Position {
get {
throw new NotSupportedException ();
}
set {
throw new NotSupportedException ();
}
}
#endregion
#region Private Methods
private int fillFromBuffer (byte[] buffer, int offset, int count)
{
// This method returns a int:
// - > 0 The number of bytes read from the internal buffer
// - 0 No more bytes read from the internal buffer
// - -1 No more content data
if (_bodyLeft == 0)
return -1;
if (_count == 0)
return 0;
if (count > _count)
count = _count;
if (_bodyLeft > 0 && _bodyLeft < count)
count = (int) _bodyLeft;
Buffer.BlockCopy (_buffer, _offset, buffer, offset, count);
_offset += count;
_count -= count;
if (_bodyLeft > 0)
_bodyLeft -= count;
return count;
}
#endregion
#region Public Methods
public override IAsyncResult BeginRead (
byte[] buffer, int offset, int count, AsyncCallback callback, object state
)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
if (buffer == null)
throw new ArgumentNullException ("buffer");
if (offset < 0) {
var msg = "A negative value.";
throw new ArgumentOutOfRangeException ("offset", msg);
}
if (count < 0) {
var msg = "A negative value.";
throw new ArgumentOutOfRangeException ("count", msg);
}
var len = buffer.Length;
if (offset + count > len) {
var msg = "The sum of 'offset' and 'count' is greater than the length of 'buffer'.";
throw new ArgumentException (msg);
}
if (count == 0)
return _stream.BeginRead (buffer, offset, 0, callback, state);
var nread = fillFromBuffer (buffer, offset, count);
if (nread != 0) {
var ares = new HttpStreamAsyncResult (callback, state);
ares.Buffer = buffer;
ares.Offset = offset;
ares.Count = count;
ares.SyncRead = nread > 0 ? nread : 0;
ares.Complete ();
return ares;
}
if (_bodyLeft >= 0 && _bodyLeft < count)
count = (int) _bodyLeft;
return _stream.BeginRead (buffer, offset, count, callback, state);
}
public override IAsyncResult BeginWrite (
byte[] buffer, int offset, int count, AsyncCallback callback, object state
)
{
throw new NotSupportedException ();
}
public override void Close ()
{
_disposed = true;
}
public override int EndRead (IAsyncResult asyncResult)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
if (asyncResult == null)
throw new ArgumentNullException ("asyncResult");
if (asyncResult is HttpStreamAsyncResult) {
var ares = (HttpStreamAsyncResult) asyncResult;
if (!ares.IsCompleted)
ares.AsyncWaitHandle.WaitOne ();
return ares.SyncRead;
}
var nread = _stream.EndRead (asyncResult);
if (nread > 0 && _bodyLeft > 0)
_bodyLeft -= nread;
return nread;
}
public override void EndWrite (IAsyncResult asyncResult)
{
throw new NotSupportedException ();
}
public override void Flush ()
{
}
public override int Read (byte[] buffer, int offset, int count)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
if (buffer == null)
throw new ArgumentNullException ("buffer");
if (offset < 0) {
var msg = "A negative value.";
throw new ArgumentOutOfRangeException ("offset", msg);
}
if (count < 0) {
var msg = "A negative value.";
throw new ArgumentOutOfRangeException ("count", msg);
}
var len = buffer.Length;
if (offset + count > len) {
var msg = "The sum of 'offset' and 'count' is greater than the length of 'buffer'.";
throw new ArgumentException (msg);
}
if (count == 0)
return 0;
var nread = fillFromBuffer (buffer, offset, count);
if (nread == -1)
return 0;
if (nread > 0)
return nread;
nread = _stream.Read (buffer, offset, count);
if (nread > 0 && _bodyLeft > 0)
_bodyLeft -= nread;
return nread;
}
public override long Seek (long offset, SeekOrigin origin)
{
throw new NotSupportedException ();
}
public override void SetLength (long value)
{
throw new NotSupportedException ();
}
public override void Write (byte[] buffer, int offset, int count)
{
throw new NotSupportedException ();
}
#endregion
}
}

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#region License
/*
* ResponseStream.cs
*
* This code is derived from ResponseStream.cs (System.Net) of Mono
* (http://www.mono-project.com).
*
* The MIT License
*
* Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
* Copyright (c) 2012-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Gonzalo Paniagua Javier <gonzalo@novell.com>
*/
#endregion
using System;
using System.IO;
using System.Text;
namespace WebSocketSharp.Net
{
internal class ResponseStream : Stream
{
#region Private Fields
private MemoryStream _bodyBuffer;
private static readonly byte[] _crlf;
private bool _disposed;
private Stream _innerStream;
private static readonly byte[] _lastChunk;
private static readonly int _maxHeadersLength;
private HttpListenerResponse _response;
private bool _sendChunked;
private Action<byte[], int, int> _write;
private Action<byte[], int, int> _writeBody;
private Action<byte[], int, int> _writeChunked;
#endregion
#region Static Constructor
static ResponseStream ()
{
_crlf = new byte[] { 13, 10 }; // "\r\n"
_lastChunk = new byte[] { 48, 13, 10, 13, 10 }; // "0\r\n\r\n"
_maxHeadersLength = 32768;
}
#endregion
#region Internal Constructors
internal ResponseStream (
Stream innerStream,
HttpListenerResponse response,
bool ignoreWriteExceptions
)
{
_innerStream = innerStream;
_response = response;
if (ignoreWriteExceptions) {
_write = writeWithoutThrowingException;
_writeChunked = writeChunkedWithoutThrowingException;
}
else {
_write = innerStream.Write;
_writeChunked = writeChunked;
}
_bodyBuffer = new MemoryStream ();
}
#endregion
#region Public Properties
public override bool CanRead {
get {
return false;
}
}
public override bool CanSeek {
get {
return false;
}
}
public override bool CanWrite {
get {
return !_disposed;
}
}
public override long Length {
get {
throw new NotSupportedException ();
}
}
public override long Position {
get {
throw new NotSupportedException ();
}
set {
throw new NotSupportedException ();
}
}
#endregion
#region Private Methods
private bool flush (bool closing)
{
if (!_response.HeadersSent) {
if (!flushHeaders ())
return false;
_response.HeadersSent = true;
_sendChunked = _response.SendChunked;
_writeBody = _sendChunked ? _writeChunked : _write;
}
flushBody (closing);
return true;
}
private void flushBody (bool closing)
{
using (_bodyBuffer) {
var len = _bodyBuffer.Length;
if (len > Int32.MaxValue) {
_bodyBuffer.Position = 0;
var buffLen = 1024;
var buff = new byte[buffLen];
var nread = 0;
while (true) {
nread = _bodyBuffer.Read (buff, 0, buffLen);
if (nread <= 0)
break;
_writeBody (buff, 0, nread);
}
}
else if (len > 0) {
_writeBody (_bodyBuffer.GetBuffer (), 0, (int) len);
}
}
if (!closing) {
_bodyBuffer = new MemoryStream ();
return;
}
if (_sendChunked)
_write (_lastChunk, 0, 5);
_bodyBuffer = null;
}
private bool flushHeaders ()
{
if (!_response.SendChunked) {
if (_response.ContentLength64 != _bodyBuffer.Length)
return false;
}
var statusLine = _response.StatusLine;
var headers = _response.FullHeaders;
var buff = new MemoryStream ();
var enc = Encoding.UTF8;
using (var writer = new StreamWriter (buff, enc, 256)) {
writer.Write (statusLine);
writer.Write (headers.ToStringMultiValue (true));
writer.Flush ();
var start = enc.GetPreamble ().Length;
var len = buff.Length - start;
if (len > _maxHeadersLength)
return false;
_write (buff.GetBuffer (), start, (int) len);
}
_response.CloseConnection = headers["Connection"] == "close";
return true;
}
private static byte[] getChunkSizeBytes (int size)
{
var chunkSize = String.Format ("{0:x}\r\n", size);
return Encoding.ASCII.GetBytes (chunkSize);
}
private void writeChunked (byte[] buffer, int offset, int count)
{
var size = getChunkSizeBytes (count);
_innerStream.Write (size, 0, size.Length);
_innerStream.Write (buffer, offset, count);
_innerStream.Write (_crlf, 0, 2);
}
private void writeChunkedWithoutThrowingException (
byte[] buffer, int offset, int count
)
{
try {
writeChunked (buffer, offset, count);
}
catch {
}
}
private void writeWithoutThrowingException (
byte[] buffer, int offset, int count
)
{
try {
_innerStream.Write (buffer, offset, count);
}
catch {
}
}
#endregion
#region Internal Methods
internal void Close (bool force)
{
if (_disposed)
return;
_disposed = true;
if (!force) {
if (flush (true)) {
_response.Close ();
_response = null;
_innerStream = null;
return;
}
_response.CloseConnection = true;
}
if (_sendChunked)
_write (_lastChunk, 0, 5);
_bodyBuffer.Dispose ();
_response.Abort ();
_bodyBuffer = null;
_response = null;
_innerStream = null;
}
internal void InternalWrite (byte[] buffer, int offset, int count)
{
_write (buffer, offset, count);
}
#endregion
#region Public Methods
public override IAsyncResult BeginRead (
byte[] buffer,
int offset,
int count,
AsyncCallback callback,
object state
)
{
throw new NotSupportedException ();
}
public override IAsyncResult BeginWrite (
byte[] buffer,
int offset,
int count,
AsyncCallback callback,
object state
)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
return _bodyBuffer.BeginWrite (buffer, offset, count, callback, state);
}
public override void Close ()
{
Close (false);
}
protected override void Dispose (bool disposing)
{
Close (!disposing);
}
public override int EndRead (IAsyncResult asyncResult)
{
throw new NotSupportedException ();
}
public override void EndWrite (IAsyncResult asyncResult)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
_bodyBuffer.EndWrite (asyncResult);
}
public override void Flush ()
{
if (_disposed)
return;
var sendChunked = _sendChunked || _response.SendChunked;
if (!sendChunked)
return;
flush (false);
}
public override int Read (byte[] buffer, int offset, int count)
{
throw new NotSupportedException ();
}
public override long Seek (long offset, SeekOrigin origin)
{
throw new NotSupportedException ();
}
public override void SetLength (long value)
{
throw new NotSupportedException ();
}
public override void Write (byte[] buffer, int offset, int count)
{
if (_disposed) {
var name = GetType ().ToString ();
throw new ObjectDisposedException (name);
}
_bodyBuffer.Write (buffer, offset, count);
}
#endregion
}
}

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#region License
/*
* ServerSslConfiguration.cs
*
* The MIT License
*
* Copyright (c) 2014 liryna
* Copyright (c) 2014-2020 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Authors
/*
* Authors:
* - Liryna <liryna.stark@gmail.com>
*/
#endregion
using System;
using System.Net.Security;
using System.Security.Authentication;
using System.Security.Cryptography.X509Certificates;
namespace WebSocketSharp.Net
{
/// <summary>
/// Stores the parameters for the <see cref="SslStream"/> used by servers.
/// </summary>
public class ServerSslConfiguration
{
#region Private Fields
private bool _checkCertRevocation;
private bool _clientCertRequired;
private RemoteCertificateValidationCallback _clientCertValidationCallback;
private SslProtocols _enabledSslProtocols;
private X509Certificate2 _serverCert;
#endregion
#region Public Constructors
/// <summary>
/// Initializes a new instance of the <see cref="ServerSslConfiguration"/>
/// class.
/// </summary>
public ServerSslConfiguration ()
{
_enabledSslProtocols = SslProtocols.None;
}
/// <summary>
/// Initializes a new instance of the <see cref="ServerSslConfiguration"/>
/// class that stores the parameters copied from the specified configuration.
/// </summary>
/// <param name="configuration">
/// A <see cref="ServerSslConfiguration"/> from which to copy.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="configuration"/> is <see langword="null"/>.
/// </exception>
public ServerSslConfiguration (ServerSslConfiguration configuration)
{
if (configuration == null)
throw new ArgumentNullException ("configuration");
_checkCertRevocation = configuration._checkCertRevocation;
_clientCertRequired = configuration._clientCertRequired;
_clientCertValidationCallback = configuration._clientCertValidationCallback;
_enabledSslProtocols = configuration._enabledSslProtocols;
_serverCert = configuration._serverCert;
}
#endregion
#region Public Properties
/// <summary>
/// Gets or sets a value indicating whether the certificate revocation
/// list is checked during authentication.
/// </summary>
/// <value>
/// <para>
/// <c>true</c> if the certificate revocation list is checked during
/// authentication; otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>false</c>.
/// </para>
/// </value>
public bool CheckCertificateRevocation {
get {
return _checkCertRevocation;
}
set {
_checkCertRevocation = value;
}
}
/// <summary>
/// Gets or sets a value indicating whether the client is asked for
/// a certificate for authentication.
/// </summary>
/// <value>
/// <para>
/// <c>true</c> if the client is asked for a certificate for
/// authentication; otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>false</c>.
/// </para>
/// </value>
public bool ClientCertificateRequired {
get {
return _clientCertRequired;
}
set {
_clientCertRequired = value;
}
}
/// <summary>
/// Gets or sets the callback used to validate the certificate supplied by
/// the client.
/// </summary>
/// <remarks>
/// The certificate is valid if the callback returns <c>true</c>.
/// </remarks>
/// <value>
/// <para>
/// A <see cref="RemoteCertificateValidationCallback"/> delegate that
/// invokes the method called for validating the certificate.
/// </para>
/// <para>
/// The default value is a delegate that invokes a method that only
/// returns <c>true</c>.
/// </para>
/// </value>
public RemoteCertificateValidationCallback ClientCertificateValidationCallback {
get {
if (_clientCertValidationCallback == null)
_clientCertValidationCallback = defaultValidateClientCertificate;
return _clientCertValidationCallback;
}
set {
_clientCertValidationCallback = value;
}
}
/// <summary>
/// Gets or sets the protocols used for authentication.
/// </summary>
/// <value>
/// <para>
/// Any of the <see cref="SslProtocols"/> enum values.
/// </para>
/// <para>
/// It represents the protocols used for authentication.
/// </para>
/// <para>
/// The default value is <see cref="SslProtocols.None"/>.
/// </para>
/// </value>
public SslProtocols EnabledSslProtocols {
get {
return _enabledSslProtocols;
}
set {
_enabledSslProtocols = value;
}
}
/// <summary>
/// Gets or sets the certificate used to authenticate the server.
/// </summary>
/// <value>
/// <para>
/// A <see cref="X509Certificate2"/> or <see langword="null"/>.
/// </para>
/// <para>
/// The certificate represents an X.509 certificate.
/// </para>
/// <para>
/// The default value is <see langword="null"/>.
/// </para>
/// </value>
public X509Certificate2 ServerCertificate {
get {
return _serverCert;
}
set {
_serverCert = value;
}
}
#endregion
#region Private Methods
private static bool defaultValidateClientCertificate (
object sender,
X509Certificate certificate,
X509Chain chain,
SslPolicyErrors sslPolicyErrors
)
{
return true;
}
#endregion
}
}

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#region License
/*
* HttpListenerWebSocketContext.cs
*
* The MIT License
*
* Copyright (c) 2012-2018 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Security.Principal;
namespace WebSocketSharp.Net.WebSockets
{
/// <summary>
/// Provides the access to the information in a WebSocket handshake request to
/// a <see cref="HttpListener"/> instance.
/// </summary>
public class HttpListenerWebSocketContext : WebSocketContext
{
#region Private Fields
private HttpListenerContext _context;
private WebSocket _websocket;
#endregion
#region Internal Constructors
internal HttpListenerWebSocketContext (
HttpListenerContext context, string protocol
)
{
_context = context;
_websocket = new WebSocket (this, protocol);
}
#endregion
#region Internal Properties
internal Logger Log {
get {
return _context.Listener.Log;
}
}
internal Stream Stream {
get {
return _context.Connection.Stream;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets the HTTP cookies included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="WebSocketSharp.Net.CookieCollection"/> that contains
/// the cookies.
/// </para>
/// <para>
/// An empty collection if not included.
/// </para>
/// </value>
public override CookieCollection CookieCollection {
get {
return _context.Request.Cookies;
}
}
/// <summary>
/// Gets the HTTP headers included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="NameValueCollection"/> that contains the headers.
/// </value>
public override NameValueCollection Headers {
get {
return _context.Request.Headers;
}
}
/// <summary>
/// Gets the value of the Host header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the server host name requested
/// by the client.
/// </para>
/// <para>
/// It includes the port number if provided.
/// </para>
/// </value>
public override string Host {
get {
return _context.Request.UserHostName;
}
}
/// <summary>
/// Gets a value indicating whether the client is authenticated.
/// </summary>
/// <value>
/// <c>true</c> if the client is authenticated; otherwise, <c>false</c>.
/// </value>
public override bool IsAuthenticated {
get {
return _context.Request.IsAuthenticated;
}
}
/// <summary>
/// Gets a value indicating whether the handshake request is sent from
/// the local computer.
/// </summary>
/// <value>
/// <c>true</c> if the handshake request is sent from the same computer
/// as the server; otherwise, <c>false</c>.
/// </value>
public override bool IsLocal {
get {
return _context.Request.IsLocal;
}
}
/// <summary>
/// Gets a value indicating whether a secure connection is used to send
/// the handshake request.
/// </summary>
/// <value>
/// <c>true</c> if the connection is secure; otherwise, <c>false</c>.
/// </value>
public override bool IsSecureConnection {
get {
return _context.Request.IsSecureConnection;
}
}
/// <summary>
/// Gets a value indicating whether the request is a WebSocket handshake
/// request.
/// </summary>
/// <value>
/// <c>true</c> if the request is a WebSocket handshake request; otherwise,
/// <c>false</c>.
/// </value>
public override bool IsWebSocketRequest {
get {
return _context.Request.IsWebSocketRequest;
}
}
/// <summary>
/// Gets the value of the Origin header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of the Origin header.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public override string Origin {
get {
return _context.Request.Headers["Origin"];
}
}
/// <summary>
/// Gets the query string included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="NameValueCollection"/> that contains the query
/// parameters.
/// </para>
/// <para>
/// An empty collection if not included.
/// </para>
/// </value>
public override NameValueCollection QueryString {
get {
return _context.Request.QueryString;
}
}
/// <summary>
/// Gets the URI requested by the client.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Uri"/> that represents the URI parsed from the request.
/// </para>
/// <para>
/// <see langword="null"/> if the URI cannot be parsed.
/// </para>
/// </value>
public override Uri RequestUri {
get {
return _context.Request.Url;
}
}
/// <summary>
/// Gets the value of the Sec-WebSocket-Key header included in
/// the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of
/// the Sec-WebSocket-Key header.
/// </para>
/// <para>
/// The value is used to prove that the server received
/// a valid WebSocket handshake request.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public override string SecWebSocketKey {
get {
return _context.Request.Headers["Sec-WebSocket-Key"];
}
}
/// <summary>
/// Gets the names of the subprotocols from the Sec-WebSocket-Protocol
/// header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// An <see cref="T:System.Collections.Generic.IEnumerable{string}"/>
/// instance.
/// </para>
/// <para>
/// It provides an enumerator which supports the iteration over
/// the collection of the names of the subprotocols.
/// </para>
/// </value>
public override IEnumerable<string> SecWebSocketProtocols {
get {
var val = _context.Request.Headers["Sec-WebSocket-Protocol"];
if (val == null || val.Length == 0)
yield break;
foreach (var elm in val.Split (',')) {
var protocol = elm.Trim ();
if (protocol.Length == 0)
continue;
yield return protocol;
}
}
}
/// <summary>
/// Gets the value of the Sec-WebSocket-Version header included in
/// the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the WebSocket protocol
/// version specified by the client.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public override string SecWebSocketVersion {
get {
return _context.Request.Headers["Sec-WebSocket-Version"];
}
}
/// <summary>
/// Gets the endpoint to which the handshake request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the server IP
/// address and port number.
/// </value>
public override System.Net.IPEndPoint ServerEndPoint {
get {
return _context.Request.LocalEndPoint;
}
}
/// <summary>
/// Gets the client information.
/// </summary>
/// <value>
/// <para>
/// A <see cref="IPrincipal"/> instance that represents identity,
/// authentication, and security roles for the client.
/// </para>
/// <para>
/// <see langword="null"/> if the client is not authenticated.
/// </para>
/// </value>
public override IPrincipal User {
get {
return _context.User;
}
}
/// <summary>
/// Gets the endpoint from which the handshake request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the client IP
/// address and port number.
/// </value>
public override System.Net.IPEndPoint UserEndPoint {
get {
return _context.Request.RemoteEndPoint;
}
}
/// <summary>
/// Gets the WebSocket instance used for two-way communication between
/// the client and server.
/// </summary>
/// <value>
/// A <see cref="WebSocketSharp.WebSocket"/>.
/// </value>
public override WebSocket WebSocket {
get {
return _websocket;
}
}
#endregion
#region Internal Methods
internal void Close ()
{
_context.Connection.Close (true);
}
internal void Close (HttpStatusCode code)
{
_context.Response.StatusCode = (int) code;
_context.Response.Close ();
}
#endregion
#region Public Methods
/// <summary>
/// Returns a string that represents the current instance.
/// </summary>
/// <returns>
/// A <see cref="string"/> that contains the request line and headers
/// included in the handshake request.
/// </returns>
public override string ToString ()
{
return _context.Request.ToString ();
}
#endregion
}
}

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#region License
/*
* TcpListenerWebSocketContext.cs
*
* The MIT License
*
* Copyright (c) 2012-2018 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Contributors
/*
* Contributors:
* - Liryna <liryna.stark@gmail.com>
*/
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.IO;
using System.Net.Security;
using System.Net.Sockets;
using System.Security.Principal;
using System.Text;
namespace WebSocketSharp.Net.WebSockets
{
/// <summary>
/// Provides the access to the information in a WebSocket handshake request to
/// a <see cref="TcpListener"/> instance.
/// </summary>
internal class TcpListenerWebSocketContext : WebSocketContext
{
#region Private Fields
private Logger _log;
private NameValueCollection _queryString;
private HttpRequest _request;
private Uri _requestUri;
private bool _secure;
private System.Net.EndPoint _serverEndPoint;
private Stream _stream;
private TcpClient _tcpClient;
private IPrincipal _user;
private System.Net.EndPoint _userEndPoint;
private WebSocket _websocket;
#endregion
#region Internal Constructors
internal TcpListenerWebSocketContext (
TcpClient tcpClient,
string protocol,
bool secure,
ServerSslConfiguration sslConfig,
Logger log
)
{
_tcpClient = tcpClient;
_secure = secure;
_log = log;
var netStream = tcpClient.GetStream ();
if (secure) {
var sslStream = new SslStream (
netStream,
false,
sslConfig.ClientCertificateValidationCallback
);
sslStream.AuthenticateAsServer (
sslConfig.ServerCertificate,
sslConfig.ClientCertificateRequired,
sslConfig.EnabledSslProtocols,
sslConfig.CheckCertificateRevocation
);
_stream = sslStream;
}
else {
_stream = netStream;
}
var sock = tcpClient.Client;
_serverEndPoint = sock.LocalEndPoint;
_userEndPoint = sock.RemoteEndPoint;
_request = HttpRequest.Read (_stream, 90000);
_websocket = new WebSocket (this, protocol);
}
#endregion
#region Internal Properties
internal Logger Log {
get {
return _log;
}
}
internal Stream Stream {
get {
return _stream;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets the HTTP cookies included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="WebSocketSharp.Net.CookieCollection"/> that contains
/// the cookies.
/// </para>
/// <para>
/// An empty collection if not included.
/// </para>
/// </value>
public override CookieCollection CookieCollection {
get {
return _request.Cookies;
}
}
/// <summary>
/// Gets the HTTP headers included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="NameValueCollection"/> that contains the headers.
/// </value>
public override NameValueCollection Headers {
get {
return _request.Headers;
}
}
/// <summary>
/// Gets the value of the Host header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the server host name requested
/// by the client.
/// </para>
/// <para>
/// It includes the port number if provided.
/// </para>
/// </value>
public override string Host {
get {
return _request.Headers["Host"];
}
}
/// <summary>
/// Gets a value indicating whether the client is authenticated.
/// </summary>
/// <value>
/// <c>true</c> if the client is authenticated; otherwise, <c>false</c>.
/// </value>
public override bool IsAuthenticated {
get {
return _user != null;
}
}
/// <summary>
/// Gets a value indicating whether the handshake request is sent from
/// the local computer.
/// </summary>
/// <value>
/// <c>true</c> if the handshake request is sent from the same computer
/// as the server; otherwise, <c>false</c>.
/// </value>
public override bool IsLocal {
get {
return UserEndPoint.Address.IsLocal ();
}
}
/// <summary>
/// Gets a value indicating whether a secure connection is used to send
/// the handshake request.
/// </summary>
/// <value>
/// <c>true</c> if the connection is secure; otherwise, <c>false</c>.
/// </value>
public override bool IsSecureConnection {
get {
return _secure;
}
}
/// <summary>
/// Gets a value indicating whether the request is a WebSocket handshake
/// request.
/// </summary>
/// <value>
/// <c>true</c> if the request is a WebSocket handshake request; otherwise,
/// <c>false</c>.
/// </value>
public override bool IsWebSocketRequest {
get {
return _request.IsWebSocketRequest;
}
}
/// <summary>
/// Gets the value of the Origin header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of the Origin header.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public override string Origin {
get {
return _request.Headers["Origin"];
}
}
/// <summary>
/// Gets the query string included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="NameValueCollection"/> that contains the query
/// parameters.
/// </para>
/// <para>
/// An empty collection if not included.
/// </para>
/// </value>
public override NameValueCollection QueryString {
get {
if (_queryString == null) {
var uri = RequestUri;
_queryString = QueryStringCollection.Parse (
uri != null ? uri.Query : null,
Encoding.UTF8
);
}
return _queryString;
}
}
/// <summary>
/// Gets the URI requested by the client.
/// </summary>
/// <value>
/// <para>
/// A <see cref="Uri"/> that represents the URI parsed from the request.
/// </para>
/// <para>
/// <see langword="null"/> if the URI cannot be parsed.
/// </para>
/// </value>
public override Uri RequestUri {
get {
if (_requestUri == null) {
_requestUri = HttpUtility.CreateRequestUrl (
_request.RequestUri,
_request.Headers["Host"],
_request.IsWebSocketRequest,
_secure
);
}
return _requestUri;
}
}
/// <summary>
/// Gets the value of the Sec-WebSocket-Key header included in
/// the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of
/// the Sec-WebSocket-Key header.
/// </para>
/// <para>
/// The value is used to prove that the server received
/// a valid WebSocket handshake request.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public override string SecWebSocketKey {
get {
return _request.Headers["Sec-WebSocket-Key"];
}
}
/// <summary>
/// Gets the names of the subprotocols from the Sec-WebSocket-Protocol
/// header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// An <see cref="T:System.Collections.Generic.IEnumerable{string}"/>
/// instance.
/// </para>
/// <para>
/// It provides an enumerator which supports the iteration over
/// the collection of the names of the subprotocols.
/// </para>
/// </value>
public override IEnumerable<string> SecWebSocketProtocols {
get {
var val = _request.Headers["Sec-WebSocket-Protocol"];
if (val == null || val.Length == 0)
yield break;
foreach (var elm in val.Split (',')) {
var protocol = elm.Trim ();
if (protocol.Length == 0)
continue;
yield return protocol;
}
}
}
/// <summary>
/// Gets the value of the Sec-WebSocket-Version header included in
/// the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the WebSocket protocol
/// version specified by the client.
/// </para>
/// <para>
/// <see langword="null"/> if the header is not present.
/// </para>
/// </value>
public override string SecWebSocketVersion {
get {
return _request.Headers["Sec-WebSocket-Version"];
}
}
/// <summary>
/// Gets the endpoint to which the handshake request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the server IP
/// address and port number.
/// </value>
public override System.Net.IPEndPoint ServerEndPoint {
get {
return (System.Net.IPEndPoint) _serverEndPoint;
}
}
/// <summary>
/// Gets the client information.
/// </summary>
/// <value>
/// <para>
/// A <see cref="IPrincipal"/> instance that represents identity,
/// authentication, and security roles for the client.
/// </para>
/// <para>
/// <see langword="null"/> if the client is not authenticated.
/// </para>
/// </value>
public override IPrincipal User {
get {
return _user;
}
}
/// <summary>
/// Gets the endpoint from which the handshake request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the client IP
/// address and port number.
/// </value>
public override System.Net.IPEndPoint UserEndPoint {
get {
return (System.Net.IPEndPoint) _userEndPoint;
}
}
/// <summary>
/// Gets the WebSocket instance used for two-way communication between
/// the client and server.
/// </summary>
/// <value>
/// A <see cref="WebSocketSharp.WebSocket"/>.
/// </value>
public override WebSocket WebSocket {
get {
return _websocket;
}
}
#endregion
#region Private Methods
private HttpRequest sendAuthenticationChallenge (string challenge)
{
var res = HttpResponse.CreateUnauthorizedResponse (challenge);
var bytes = res.ToByteArray ();
_stream.Write (bytes, 0, bytes.Length);
return HttpRequest.Read (_stream, 15000);
}
#endregion
#region Internal Methods
internal bool Authenticate (
AuthenticationSchemes scheme,
string realm,
Func<IIdentity, NetworkCredential> credentialsFinder
)
{
var chal = new AuthenticationChallenge (scheme, realm).ToString ();
var retry = -1;
Func<bool> auth = null;
auth =
() => {
retry++;
if (retry > 99)
return false;
var user = HttpUtility.CreateUser (
_request.Headers["Authorization"],
scheme,
realm,
_request.HttpMethod,
credentialsFinder
);
if (user != null && user.Identity.IsAuthenticated) {
_user = user;
return true;
}
_request = sendAuthenticationChallenge (chal);
return auth ();
};
return auth ();
}
internal void Close ()
{
_stream.Close ();
_tcpClient.Close ();
}
internal void Close (HttpStatusCode code)
{
var res = HttpResponse.CreateCloseResponse (code);
var bytes = res.ToByteArray ();
_stream.Write (bytes, 0, bytes.Length);
_stream.Close ();
_tcpClient.Close ();
}
#endregion
#region Public Methods
/// <summary>
/// Returns a string that represents the current instance.
/// </summary>
/// <returns>
/// A <see cref="string"/> that contains the request line and headers
/// included in the handshake request.
/// </returns>
public override string ToString ()
{
return _request.ToString ();
}
#endregion
}
}

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#region License
/*
* WebSocketContext.cs
*
* The MIT License
*
* Copyright (c) 2012-2018 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Security.Principal;
namespace WebSocketSharp.Net.WebSockets
{
/// <summary>
/// Exposes the access to the information in a WebSocket handshake request.
/// </summary>
/// <remarks>
/// This class is an abstract class.
/// </remarks>
public abstract class WebSocketContext
{
#region Protected Constructors
/// <summary>
/// Initializes a new instance of the <see cref="WebSocketContext"/> class.
/// </summary>
protected WebSocketContext ()
{
}
#endregion
#region Public Properties
/// <summary>
/// Gets the HTTP cookies included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="WebSocketSharp.Net.CookieCollection"/> that contains
/// the cookies.
/// </value>
public abstract CookieCollection CookieCollection { get; }
/// <summary>
/// Gets the HTTP headers included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="NameValueCollection"/> that contains the headers.
/// </value>
public abstract NameValueCollection Headers { get; }
/// <summary>
/// Gets the value of the Host header included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the server host name requested
/// by the client.
/// </value>
public abstract string Host { get; }
/// <summary>
/// Gets a value indicating whether the client is authenticated.
/// </summary>
/// <value>
/// <c>true</c> if the client is authenticated; otherwise, <c>false</c>.
/// </value>
public abstract bool IsAuthenticated { get; }
/// <summary>
/// Gets a value indicating whether the handshake request is sent from
/// the local computer.
/// </summary>
/// <value>
/// <c>true</c> if the handshake request is sent from the same computer
/// as the server; otherwise, <c>false</c>.
/// </value>
public abstract bool IsLocal { get; }
/// <summary>
/// Gets a value indicating whether a secure connection is used to send
/// the handshake request.
/// </summary>
/// <value>
/// <c>true</c> if the connection is secure; otherwise, <c>false</c>.
/// </value>
public abstract bool IsSecureConnection { get; }
/// <summary>
/// Gets a value indicating whether the request is a WebSocket handshake
/// request.
/// </summary>
/// <value>
/// <c>true</c> if the request is a WebSocket handshake request; otherwise,
/// <c>false</c>.
/// </value>
public abstract bool IsWebSocketRequest { get; }
/// <summary>
/// Gets the value of the Origin header included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the value of the Origin header.
/// </value>
public abstract string Origin { get; }
/// <summary>
/// Gets the query string included in the handshake request.
/// </summary>
/// <value>
/// A <see cref="NameValueCollection"/> that contains the query parameters.
/// </value>
public abstract NameValueCollection QueryString { get; }
/// <summary>
/// Gets the URI requested by the client.
/// </summary>
/// <value>
/// A <see cref="Uri"/> that represents the URI parsed from the request.
/// </value>
public abstract Uri RequestUri { get; }
/// <summary>
/// Gets the value of the Sec-WebSocket-Key header included in
/// the handshake request.
/// </summary>
/// <value>
/// <para>
/// A <see cref="string"/> that represents the value of
/// the Sec-WebSocket-Key header.
/// </para>
/// <para>
/// The value is used to prove that the server received
/// a valid WebSocket handshake request.
/// </para>
/// </value>
public abstract string SecWebSocketKey { get; }
/// <summary>
/// Gets the names of the subprotocols from the Sec-WebSocket-Protocol
/// header included in the handshake request.
/// </summary>
/// <value>
/// <para>
/// An <see cref="T:System.Collections.Generic.IEnumerable{string}"/>
/// instance.
/// </para>
/// <para>
/// It provides an enumerator which supports the iteration over
/// the collection of the names of the subprotocols.
/// </para>
/// </value>
public abstract IEnumerable<string> SecWebSocketProtocols { get; }
/// <summary>
/// Gets the value of the Sec-WebSocket-Version header included in
/// the handshake request.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the WebSocket protocol
/// version specified by the client.
/// </value>
public abstract string SecWebSocketVersion { get; }
/// <summary>
/// Gets the endpoint to which the handshake request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the server IP
/// address and port number.
/// </value>
public abstract System.Net.IPEndPoint ServerEndPoint { get; }
/// <summary>
/// Gets the client information.
/// </summary>
/// <value>
/// A <see cref="IPrincipal"/> instance that represents identity,
/// authentication, and security roles for the client.
/// </value>
public abstract IPrincipal User { get; }
/// <summary>
/// Gets the endpoint from which the handshake request is sent.
/// </summary>
/// <value>
/// A <see cref="System.Net.IPEndPoint"/> that represents the client IP
/// address and port number.
/// </value>
public abstract System.Net.IPEndPoint UserEndPoint { get; }
/// <summary>
/// Gets the WebSocket instance used for two-way communication between
/// the client and server.
/// </summary>
/// <value>
/// A <see cref="WebSocketSharp.WebSocket"/>.
/// </value>
public abstract WebSocket WebSocket { get; }
#endregion
}
}

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#region License
/*
* Opcode.cs
*
* The MIT License
*
* Copyright (c) 2012-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Indicates the WebSocket frame type.
/// </summary>
/// <remarks>
/// The values of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc6455#section-5.2">
/// Section 5.2</see> of RFC 6455.
/// </remarks>
internal enum Opcode : byte
{
/// <summary>
/// Equivalent to numeric value 0. Indicates continuation frame.
/// </summary>
Cont = 0x0,
/// <summary>
/// Equivalent to numeric value 1. Indicates text frame.
/// </summary>
Text = 0x1,
/// <summary>
/// Equivalent to numeric value 2. Indicates binary frame.
/// </summary>
Binary = 0x2,
/// <summary>
/// Equivalent to numeric value 8. Indicates connection close frame.
/// </summary>
Close = 0x8,
/// <summary>
/// Equivalent to numeric value 9. Indicates ping frame.
/// </summary>
Ping = 0x9,
/// <summary>
/// Equivalent to numeric value 10. Indicates pong frame.
/// </summary>
Pong = 0xa
}
}

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using System;
namespace WebSocketSharp
{
public class OpenEventArgs : EventArgs
{
public string LocalIP { get; private set; }
public string RemoteIP { get; private set; }
public OpenEventArgs(string localIp, string remoteIp)
{
LocalIP = localIp;
RemoteIP = remoteIp;
}
}
}

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#region License
/*
* PayloadData.cs
*
* The MIT License
*
* Copyright (c) 2012-2019 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
namespace WebSocketSharp
{
internal class PayloadData : IEnumerable<byte>
{
#region Private Fields
private byte[] _data;
private long _extDataLength;
private long _length;
#endregion
#region Public Fields
/// <summary>
/// Represents the empty payload data.
/// </summary>
public static readonly PayloadData Empty;
/// <summary>
/// Represents the allowable max length of payload data.
/// </summary>
/// <remarks>
/// <para>
/// A <see cref="WebSocketException"/> will occur when the length of
/// incoming payload data is greater than the value of this field.
/// </para>
/// <para>
/// If you would like to change the value of this field, it must be
/// a number between <see cref="WebSocket.FragmentLength"/> and
/// <see cref="Int64.MaxValue"/> inclusive.
/// </para>
/// </remarks>
public static readonly ulong MaxLength;
#endregion
#region Static Constructor
static PayloadData ()
{
Empty = new PayloadData (WebSocket.EmptyBytes, 0);
MaxLength = Int64.MaxValue;
}
#endregion
#region Internal Constructors
internal PayloadData (byte[] data)
: this (data, data.LongLength)
{
}
internal PayloadData (byte[] data, long length)
{
_data = data;
_length = length;
}
internal PayloadData (ushort code, string reason)
{
_data = code.Append (reason);
_length = _data.LongLength;
}
#endregion
#region Internal Properties
internal ushort Code {
get {
return _length >= 2
? _data.SubArray (0, 2).ToUInt16 (ByteOrder.Big)
: (ushort) 1005;
}
}
internal long ExtensionDataLength {
get {
return _extDataLength;
}
set {
_extDataLength = value;
}
}
internal bool HasReservedCode {
get {
return _length >= 2 && Code.IsReserved ();
}
}
internal string Reason {
get {
if (_length <= 2)
return String.Empty;
var raw = _data.SubArray (2, _length - 2);
string reason;
return raw.TryGetUTF8DecodedString (out reason)
? reason
: String.Empty;
}
}
#endregion
#region Public Properties
public byte[] ApplicationData {
get {
return _extDataLength > 0
? _data.SubArray (_extDataLength, _length - _extDataLength)
: _data;
}
}
public byte[] ExtensionData {
get {
return _extDataLength > 0
? _data.SubArray (0, _extDataLength)
: WebSocket.EmptyBytes;
}
}
public ulong Length {
get {
return (ulong) _length;
}
}
#endregion
#region Internal Methods
internal void Mask (byte[] key)
{
for (long i = 0; i < _length; i++)
_data[i] = (byte) (_data[i] ^ key[i % 4]);
}
#endregion
#region Public Methods
public IEnumerator<byte> GetEnumerator ()
{
foreach (var b in _data)
yield return b;
}
public byte[] ToArray ()
{
return _data;
}
public override string ToString ()
{
return BitConverter.ToString (_data);
}
#endregion
#region Explicit Interface Implementations
IEnumerator IEnumerable.GetEnumerator ()
{
return GetEnumerator ();
}
#endregion
}
}

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#region License
/*
* Rsv.cs
*
* The MIT License
*
* Copyright (c) 2012-2015 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Indicates whether each RSV (RSV1, RSV2, and RSV3) of a WebSocket frame is non-zero.
/// </summary>
/// <remarks>
/// The values of this enumeration are defined in
/// <see href="http://tools.ietf.org/html/rfc6455#section-5.2">Section 5.2</see> of RFC 6455.
/// </remarks>
internal enum Rsv : byte
{
/// <summary>
/// Equivalent to numeric value 0. Indicates zero.
/// </summary>
Off = 0x0,
/// <summary>
/// Equivalent to numeric value 1. Indicates non-zero.
/// </summary>
On = 0x1
}
}

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#region License
/*
* HttpRequestEventArgs.cs
*
* The MIT License
*
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.IO;
using System.Security.Principal;
using System.Text;
using WebSocketSharp.Net;
namespace WebSocketSharp.Server
{
/// <summary>
/// Represents the event data for the HTTP request events of the
/// <see cref="HttpServer"/> class.
/// </summary>
/// <remarks>
/// <para>
/// An HTTP request event occurs when the <see cref="HttpServer"/>
/// instance receives an HTTP request.
/// </para>
/// <para>
/// You should access the <see cref="Request"/> property if you would
/// like to get the request data sent from a client.
/// </para>
/// <para>
/// And you should access the <see cref="Response"/> property if you
/// would like to get the response data to return to the client.
/// </para>
/// </remarks>
public class HttpRequestEventArgs : EventArgs
{
#region Private Fields
private HttpListenerContext _context;
private string _docRootPath;
#endregion
#region Internal Constructors
internal HttpRequestEventArgs (
HttpListenerContext context, string documentRootPath
)
{
_context = context;
_docRootPath = documentRootPath;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the request data sent from a client.
/// </summary>
/// <value>
/// A <see cref="HttpListenerRequest"/> that provides the methods and
/// properties for the request data.
/// </value>
public HttpListenerRequest Request {
get {
return _context.Request;
}
}
/// <summary>
/// Gets the response data to return to the client.
/// </summary>
/// <value>
/// A <see cref="HttpListenerResponse"/> that provides the methods and
/// properties for the response data.
/// </value>
public HttpListenerResponse Response {
get {
return _context.Response;
}
}
/// <summary>
/// Gets the information for the client.
/// </summary>
/// <value>
/// <para>
/// A <see cref="IPrincipal"/> instance or <see langword="null"/>
/// if not authenticated.
/// </para>
/// <para>
/// That instance describes the identity, authentication scheme,
/// and security roles for the client.
/// </para>
/// </value>
public IPrincipal User {
get {
return _context.User;
}
}
#endregion
#region Private Methods
private string createFilePath (string childPath)
{
childPath = childPath.TrimStart ('/', '\\');
return new StringBuilder (_docRootPath, 32)
.AppendFormat ("/{0}", childPath)
.ToString ()
.Replace ('\\', '/');
}
private static bool tryReadFile (string path, out byte[] contents)
{
contents = null;
if (!File.Exists (path))
return false;
try {
contents = File.ReadAllBytes (path);
}
catch {
return false;
}
return true;
}
#endregion
#region Public Methods
/// <summary>
/// Reads the specified file from the document folder of the
/// <see cref="HttpServer"/> class.
/// </summary>
/// <returns>
/// <para>
/// An array of <see cref="byte"/> or <see langword="null"/>
/// if it fails.
/// </para>
/// <para>
/// That array receives the contents of the file.
/// </para>
/// </returns>
/// <param name="path">
/// A <see cref="string"/> that specifies a virtual path to
/// find the file from the document folder.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="path"/> is an empty string.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> contains "..".
/// </para>
/// </exception>
public byte[] ReadFile (string path)
{
if (path == null)
throw new ArgumentNullException ("path");
if (path.Length == 0)
throw new ArgumentException ("An empty string.", "path");
if (path.IndexOf ("..") > -1)
throw new ArgumentException ("It contains '..'.", "path");
path = createFilePath (path);
byte[] contents;
tryReadFile (path, out contents);
return contents;
}
/// <summary>
/// Tries to read the specified file from the document folder of
/// the <see cref="HttpServer"/> class.
/// </summary>
/// <returns>
/// <c>true</c> if it succeeds to read; otherwise, <c>false</c>.
/// </returns>
/// <param name="path">
/// A <see cref="string"/> that specifies a virtual path to find
/// the file from the document folder.
/// </param>
/// <param name="contents">
/// <para>
/// When this method returns, an array of <see cref="byte"/> or
/// <see langword="null"/> if it fails.
/// </para>
/// <para>
/// That array receives the contents of the file.
/// </para>
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="path"/> is an empty string.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> contains "..".
/// </para>
/// </exception>
public bool TryReadFile (string path, out byte[] contents)
{
if (path == null)
throw new ArgumentNullException ("path");
if (path.Length == 0)
throw new ArgumentException ("An empty string.", "path");
if (path.IndexOf ("..") > -1)
throw new ArgumentException ("It contains '..'.", "path");
path = createFilePath (path);
return tryReadFile (path, out contents);
}
#endregion
}
}

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#region License
/*
* IWebSocketSession.cs
*
* The MIT License
*
* Copyright (c) 2013-2018 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using WebSocketSharp.Net.WebSockets;
namespace WebSocketSharp.Server
{
/// <summary>
/// Exposes the access to the information in a WebSocket session.
/// </summary>
public interface IWebSocketSession
{
#region Properties
/// <summary>
/// Gets the current state of the WebSocket connection for the session.
/// </summary>
/// <value>
/// <para>
/// One of the <see cref="WebSocketState"/> enum values.
/// </para>
/// <para>
/// It indicates the current state of the connection.
/// </para>
/// </value>
WebSocketState ConnectionState { get; }
/// <summary>
/// Gets the information in the WebSocket handshake request.
/// </summary>
/// <value>
/// A <see cref="WebSocketContext"/> instance that provides the access to
/// the information in the handshake request.
/// </value>
WebSocketContext Context { get; }
/// <summary>
/// Gets the unique ID of the session.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the unique ID of the session.
/// </value>
string ID { get; }
/// <summary>
/// Gets the name of the WebSocket subprotocol for the session.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the name of the subprotocol
/// if present.
/// </value>
string Protocol { get; }
/// <summary>
/// Gets the time that the session has started.
/// </summary>
/// <value>
/// A <see cref="DateTime"/> that represents the time that the session
/// has started.
/// </value>
DateTime StartTime { get; }
#endregion
}
}

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#region License
/*
* ServerState.cs
*
* The MIT License
*
* Copyright (c) 2013-2014 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp.Server
{
internal enum ServerState
{
Ready,
Start,
ShuttingDown,
Stop
}
}

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#region License
/*
* WebSocketServiceHost.cs
*
* The MIT License
*
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Contributors
/*
* Contributors:
* - Juan Manuel Lallana <juan.manuel.lallana@gmail.com>
*/
#endregion
using System;
using WebSocketSharp.Net.WebSockets;
namespace WebSocketSharp.Server
{
/// <summary>
/// Exposes the methods and properties used to access the information in
/// a WebSocket service provided by the <see cref="WebSocketServer"/> or
/// <see cref="HttpServer"/> class.
/// </summary>
/// <remarks>
/// This class is an abstract class.
/// </remarks>
public abstract class WebSocketServiceHost
{
#region Private Fields
private Logger _log;
private string _path;
private WebSocketSessionManager _sessions;
#endregion
#region Protected Constructors
/// <summary>
/// Initializes a new instance of the <see cref="WebSocketServiceHost"/>
/// class with the specified path and logging function.
/// </summary>
/// <param name="path">
/// A <see cref="string"/> that specifies the absolute path to
/// the service.
/// </param>
/// <param name="log">
/// A <see cref="Logger"/> that specifies the logging function for
/// the service.
/// </param>
protected WebSocketServiceHost (string path, Logger log)
{
_path = path;
_log = log;
_sessions = new WebSocketSessionManager (log);
}
#endregion
#region Internal Properties
internal ServerState State {
get {
return _sessions.State;
}
}
#endregion
#region Protected Properties
/// <summary>
/// Gets the logging function for the service.
/// </summary>
/// <value>
/// A <see cref="Logger"/> that provides the logging function.
/// </value>
protected Logger Log {
get {
return _log;
}
}
#endregion
#region Public Properties
/// <summary>
/// Gets or sets a value indicating whether the service cleans up the
/// inactive sessions periodically.
/// </summary>
/// <remarks>
/// The set operation does nothing if the service has already started or
/// it is shutting down.
/// </remarks>
/// <value>
/// <c>true</c> if the service cleans up the inactive sessions every
/// 60 seconds; otherwise, <c>false</c>.
/// </value>
public bool KeepClean {
get {
return _sessions.KeepClean;
}
set {
_sessions.KeepClean = value;
}
}
/// <summary>
/// Gets the path to the service.
/// </summary>
/// <value>
/// A <see cref="string"/> that represents the absolute path to
/// the service.
/// </value>
public string Path {
get {
return _path;
}
}
/// <summary>
/// Gets the management function for the sessions in the service.
/// </summary>
/// <value>
/// A <see cref="WebSocketSessionManager"/> that manages the sessions in
/// the service.
/// </value>
public WebSocketSessionManager Sessions {
get {
return _sessions;
}
}
/// <summary>
/// Gets the type of the behavior of the service.
/// </summary>
/// <value>
/// A <see cref="Type"/> that represents the type of the behavior of
/// the service.
/// </value>
public abstract Type BehaviorType { get; }
/// <summary>
/// Gets or sets the time to wait for the response to the WebSocket Ping
/// or Close.
/// </summary>
/// <remarks>
/// The set operation does nothing if the service has already started or
/// it is shutting down.
/// </remarks>
/// <value>
/// A <see cref="TimeSpan"/> to wait for the response.
/// </value>
/// <exception cref="ArgumentOutOfRangeException">
/// The value specified for a set operation is zero or less.
/// </exception>
public TimeSpan WaitTime {
get {
return _sessions.WaitTime;
}
set {
_sessions.WaitTime = value;
}
}
#endregion
#region Internal Methods
internal void Start ()
{
_sessions.Start ();
}
internal void StartSession (WebSocketContext context)
{
CreateSession ().Start (context, _sessions);
}
internal void Stop (ushort code, string reason)
{
_sessions.Stop (code, reason);
}
#endregion
#region Protected Methods
/// <summary>
/// Creates a new session for the service.
/// </summary>
/// <returns>
/// A <see cref="WebSocketBehavior"/> instance that represents
/// the new session.
/// </returns>
protected abstract WebSocketBehavior CreateSession ();
#endregion
}
}

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#region License
/*
* WebSocketServiceHost`1.cs
*
* The MIT License
*
* Copyright (c) 2015-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp.Server
{
internal class WebSocketServiceHost<TBehavior> : WebSocketServiceHost
where TBehavior : WebSocketBehavior, new ()
{
#region Private Fields
private Func<TBehavior> _creator;
#endregion
#region Internal Constructors
internal WebSocketServiceHost (
string path, Action<TBehavior> initializer, Logger log
)
: base (path, log)
{
_creator = createSessionCreator (initializer);
}
#endregion
#region Public Properties
public override Type BehaviorType {
get {
return typeof (TBehavior);
}
}
#endregion
#region Private Methods
private static Func<TBehavior> createSessionCreator (
Action<TBehavior> initializer
)
{
if (initializer == null)
return () => new TBehavior ();
return () => {
var ret = new TBehavior ();
initializer (ret);
return ret;
};
}
#endregion
#region Protected Methods
protected override WebSocketBehavior CreateSession ()
{
return _creator ();
}
#endregion
}
}

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#region License
/*
* WebSocketServiceManager.cs
*
* The MIT License
*
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.Threading;
using WebSocketSharp.Net;
namespace WebSocketSharp.Server
{
/// <summary>
/// Provides the management function for the WebSocket services.
/// </summary>
/// <remarks>
/// This class manages the WebSocket services provided by
/// the <see cref="WebSocketServer"/> or <see cref="HttpServer"/> class.
/// </remarks>
public class WebSocketServiceManager
{
#region Private Fields
private Dictionary<string, WebSocketServiceHost> _hosts;
private volatile bool _keepClean;
private Logger _log;
private volatile ServerState _state;
private object _sync;
private TimeSpan _waitTime;
#endregion
#region Internal Constructors
internal WebSocketServiceManager (Logger log)
{
_log = log;
_hosts = new Dictionary<string, WebSocketServiceHost> ();
_keepClean = true;
_state = ServerState.Ready;
_sync = ((ICollection) _hosts).SyncRoot;
_waitTime = TimeSpan.FromSeconds (1);
}
#endregion
#region Public Properties
/// <summary>
/// Gets the number of the WebSocket services.
/// </summary>
/// <value>
/// An <see cref="int"/> that represents the number of the services.
/// </value>
public int Count {
get {
lock (_sync)
return _hosts.Count;
}
}
/// <summary>
/// Gets the service host instances for the WebSocket services.
/// </summary>
/// <value>
/// <para>
/// An <c>IEnumerable&lt;WebSocketServiceHost&gt;</c> instance.
/// </para>
/// <para>
/// It provides an enumerator which supports the iteration over
/// the collection of the service host instances.
/// </para>
/// </value>
public IEnumerable<WebSocketServiceHost> Hosts {
get {
lock (_sync)
return _hosts.Values.ToList ();
}
}
/// <summary>
/// Gets the service host instance for a WebSocket service with
/// the specified path.
/// </summary>
/// <value>
/// <para>
/// A <see cref="WebSocketServiceHost"/> instance or
/// <see langword="null"/> if not found.
/// </para>
/// <para>
/// The service host instance provides the function to access
/// the information in the service.
/// </para>
/// </value>
/// <param name="path">
/// <para>
/// A <see cref="string"/> that specifies an absolute path to
/// the service to find.
/// </para>
/// <para>
/// / is trimmed from the end of the string if present.
/// </para>
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="path"/> is an empty string.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> is not an absolute path.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> includes either or both
/// query and fragment components.
/// </para>
/// </exception>
public WebSocketServiceHost this[string path] {
get {
if (path == null)
throw new ArgumentNullException ("path");
if (path.Length == 0)
throw new ArgumentException ("An empty string.", "path");
if (path[0] != '/') {
var msg = "It is not an absolute path.";
throw new ArgumentException (msg, "path");
}
if (path.IndexOfAny (new[] { '?', '#' }) > -1) {
var msg = "It includes either or both query and fragment components.";
throw new ArgumentException (msg, "path");
}
WebSocketServiceHost host;
InternalTryGetServiceHost (path, out host);
return host;
}
}
/// <summary>
/// Gets or sets a value indicating whether the inactive sessions in
/// the WebSocket services are cleaned up periodically.
/// </summary>
/// <remarks>
/// The set operation does nothing if the server has already started or
/// it is shutting down.
/// </remarks>
/// <value>
/// <para>
/// <c>true</c> if the inactive sessions are cleaned up every 60
/// seconds; otherwise, <c>false</c>.
/// </para>
/// <para>
/// The default value is <c>true</c>.
/// </para>
/// </value>
public bool KeepClean {
get {
return _keepClean;
}
set {
lock (_sync) {
if (!canSet ())
return;
foreach (var host in _hosts.Values)
host.KeepClean = value;
_keepClean = value;
}
}
}
/// <summary>
/// Gets the paths for the WebSocket services.
/// </summary>
/// <value>
/// <para>
/// An <c>IEnumerable&lt;string&gt;</c> instance.
/// </para>
/// <para>
/// It provides an enumerator which supports the iteration over
/// the collection of the paths.
/// </para>
/// </value>
public IEnumerable<string> Paths {
get {
lock (_sync)
return _hosts.Keys.ToList ();
}
}
/// <summary>
/// Gets or sets the time to wait for the response to the WebSocket Ping
/// or Close.
/// </summary>
/// <remarks>
/// The set operation does nothing if the server has already started or
/// it is shutting down.
/// </remarks>
/// <value>
/// <para>
/// A <see cref="TimeSpan"/> to wait for the response.
/// </para>
/// <para>
/// The default value is the same as 1 second.
/// </para>
/// </value>
/// <exception cref="ArgumentOutOfRangeException">
/// The value specified for a set operation is zero or less.
/// </exception>
public TimeSpan WaitTime {
get {
return _waitTime;
}
set {
if (value <= TimeSpan.Zero) {
var msg = "It is zero or less.";
throw new ArgumentOutOfRangeException ("value", msg);
}
lock (_sync) {
if (!canSet ())
return;
foreach (var host in _hosts.Values)
host.WaitTime = value;
_waitTime = value;
}
}
}
#endregion
#region Private Methods
private bool canSet ()
{
return _state == ServerState.Ready || _state == ServerState.Stop;
}
#endregion
#region Internal Methods
internal bool InternalTryGetServiceHost (
string path, out WebSocketServiceHost host
)
{
path = path.TrimSlashFromEnd ();
lock (_sync)
return _hosts.TryGetValue (path, out host);
}
internal void Start ()
{
lock (_sync) {
foreach (var host in _hosts.Values)
host.Start ();
_state = ServerState.Start;
}
}
internal void Stop (ushort code, string reason)
{
lock (_sync) {
_state = ServerState.ShuttingDown;
foreach (var host in _hosts.Values)
host.Stop (code, reason);
_state = ServerState.Stop;
}
}
#endregion
#region Public Methods
/// <summary>
/// Adds a WebSocket service with the specified behavior, path,
/// and delegate.
/// </summary>
/// <param name="path">
/// <para>
/// A <see cref="string"/> that specifies an absolute path to
/// the service to add.
/// </para>
/// <para>
/// / is trimmed from the end of the string if present.
/// </para>
/// </param>
/// <param name="initializer">
/// <para>
/// An <c>Action&lt;TBehavior&gt;</c> delegate or
/// <see langword="null"/> if not needed.
/// </para>
/// <para>
/// The delegate invokes the method called when initializing
/// a new session instance for the service.
/// </para>
/// </param>
/// <typeparam name="TBehavior">
/// <para>
/// The type of the behavior for the service.
/// </para>
/// <para>
/// It must inherit the <see cref="WebSocketBehavior"/> class.
/// </para>
/// <para>
/// And also, it must have a public parameterless constructor.
/// </para>
/// </typeparam>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="path"/> is an empty string.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> is not an absolute path.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> includes either or both
/// query and fragment components.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> is already in use.
/// </para>
/// </exception>
public void AddService<TBehavior> (
string path, Action<TBehavior> initializer
)
where TBehavior : WebSocketBehavior, new ()
{
if (path == null)
throw new ArgumentNullException ("path");
if (path.Length == 0)
throw new ArgumentException ("An empty string.", "path");
if (path[0] != '/') {
var msg = "It is not an absolute path.";
throw new ArgumentException (msg, "path");
}
if (path.IndexOfAny (new[] { '?', '#' }) > -1) {
var msg = "It includes either or both query and fragment components.";
throw new ArgumentException (msg, "path");
}
path = path.TrimSlashFromEnd ();
lock (_sync) {
WebSocketServiceHost host;
if (_hosts.TryGetValue (path, out host)) {
var msg = "It is already in use.";
throw new ArgumentException (msg, "path");
}
host = new WebSocketServiceHost<TBehavior> (path, initializer, _log);
if (!_keepClean)
host.KeepClean = false;
if (_waitTime != host.WaitTime)
host.WaitTime = _waitTime;
if (_state == ServerState.Start)
host.Start ();
_hosts.Add (path, host);
}
}
/// <summary>
/// Removes all WebSocket services managed by the manager.
/// </summary>
/// <remarks>
/// A service is stopped with close status 1001 (going away)
/// if it has already started.
/// </remarks>
public void Clear ()
{
List<WebSocketServiceHost> hosts = null;
lock (_sync) {
hosts = _hosts.Values.ToList ();
_hosts.Clear ();
}
foreach (var host in hosts) {
if (host.State == ServerState.Start)
host.Stop (1001, String.Empty);
}
}
/// <summary>
/// Removes a WebSocket service with the specified path.
/// </summary>
/// <remarks>
/// The service is stopped with close status 1001 (going away)
/// if it has already started.
/// </remarks>
/// <returns>
/// <c>true</c> if the service is successfully found and removed;
/// otherwise, <c>false</c>.
/// </returns>
/// <param name="path">
/// <para>
/// A <see cref="string"/> that specifies an absolute path to
/// the service to remove.
/// </para>
/// <para>
/// / is trimmed from the end of the string if present.
/// </para>
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="path"/> is an empty string.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> is not an absolute path.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> includes either or both
/// query and fragment components.
/// </para>
/// </exception>
public bool RemoveService (string path)
{
if (path == null)
throw new ArgumentNullException ("path");
if (path.Length == 0)
throw new ArgumentException ("An empty string.", "path");
if (path[0] != '/') {
var msg = "It is not an absolute path.";
throw new ArgumentException (msg, "path");
}
if (path.IndexOfAny (new[] { '?', '#' }) > -1) {
var msg = "It includes either or both query and fragment components.";
throw new ArgumentException (msg, "path");
}
path = path.TrimSlashFromEnd ();
WebSocketServiceHost host;
lock (_sync) {
if (!_hosts.TryGetValue (path, out host))
return false;
_hosts.Remove (path);
}
if (host.State == ServerState.Start)
host.Stop (1001, String.Empty);
return true;
}
/// <summary>
/// Tries to get the service host instance for a WebSocket service with
/// the specified path.
/// </summary>
/// <returns>
/// <c>true</c> if the service is successfully found; otherwise,
/// <c>false</c>.
/// </returns>
/// <param name="path">
/// <para>
/// A <see cref="string"/> that specifies an absolute path to
/// the service to find.
/// </para>
/// <para>
/// / is trimmed from the end of the string if present.
/// </para>
/// </param>
/// <param name="host">
/// <para>
/// When this method returns, a <see cref="WebSocketServiceHost"/>
/// instance or <see langword="null"/> if not found.
/// </para>
/// <para>
/// The service host instance provides the function to access
/// the information in the service.
/// </para>
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="path"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="ArgumentException">
/// <para>
/// <paramref name="path"/> is an empty string.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> is not an absolute path.
/// </para>
/// <para>
/// -or-
/// </para>
/// <para>
/// <paramref name="path"/> includes either or both
/// query and fragment components.
/// </para>
/// </exception>
public bool TryGetServiceHost (string path, out WebSocketServiceHost host)
{
if (path == null)
throw new ArgumentNullException ("path");
if (path.Length == 0)
throw new ArgumentException ("An empty string.", "path");
if (path[0] != '/') {
var msg = "It is not an absolute path.";
throw new ArgumentException (msg, "path");
}
if (path.IndexOfAny (new[] { '?', '#' }) > -1) {
var msg = "It includes either or both query and fragment components.";
throw new ArgumentException (msg, "path");
}
return InternalTryGetServiceHost (path, out host);
}
#endregion
}
}

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#region License
/*
* WebSocketException.cs
*
* The MIT License
*
* Copyright (c) 2012-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// The exception that is thrown when a fatal error occurs in
/// the WebSocket communication.
/// </summary>
public class WebSocketException : Exception
{
#region Private Fields
private CloseStatusCode _code;
#endregion
#region Internal Constructors
internal WebSocketException ()
: this (CloseStatusCode.Abnormal, null, null)
{
}
internal WebSocketException (Exception innerException)
: this (CloseStatusCode.Abnormal, null, innerException)
{
}
internal WebSocketException (string message)
: this (CloseStatusCode.Abnormal, message, null)
{
}
internal WebSocketException (CloseStatusCode code)
: this (code, null, null)
{
}
internal WebSocketException (string message, Exception innerException)
: this (CloseStatusCode.Abnormal, message, innerException)
{
}
internal WebSocketException (CloseStatusCode code, Exception innerException)
: this (code, null, innerException)
{
}
internal WebSocketException (CloseStatusCode code, string message)
: this (code, message, null)
{
}
internal WebSocketException (
CloseStatusCode code, string message, Exception innerException
)
: base (message ?? code.GetMessage (), innerException)
{
_code = code;
}
#endregion
#region Public Properties
/// <summary>
/// Gets the status code indicating the cause of the exception.
/// </summary>
/// <value>
/// One of the <see cref="CloseStatusCode"/> enum values that represents
/// the status code indicating the cause of the exception.
/// </value>
public CloseStatusCode Code {
get {
return _code;
}
}
#endregion
}
}

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#region License
/*
* WebSocketFrame.cs
*
* The MIT License
*
* Copyright (c) 2012-2021 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
#region Contributors
/*
* Contributors:
* - Chris Swiedler
*/
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
namespace WebSocketSharp
{
internal class WebSocketFrame : IEnumerable<byte>
{
#region Private Fields
private byte[] _extPayloadLength;
private Fin _fin;
private Mask _mask;
private byte[] _maskingKey;
private Opcode _opcode;
private PayloadData _payloadData;
private byte _payloadLength;
private Rsv _rsv1;
private Rsv _rsv2;
private Rsv _rsv3;
#endregion
#region Private Constructors
private WebSocketFrame ()
{
}
#endregion
#region Internal Constructors
internal WebSocketFrame (Opcode opcode, PayloadData payloadData, bool mask)
: this (Fin.Final, opcode, payloadData, false, mask)
{
}
internal WebSocketFrame (
Fin fin, Opcode opcode, byte[] data, bool compressed, bool mask
)
: this (fin, opcode, new PayloadData (data), compressed, mask)
{
}
internal WebSocketFrame (
Fin fin,
Opcode opcode,
PayloadData payloadData,
bool compressed,
bool mask
)
{
_fin = fin;
_opcode = opcode;
_rsv1 = opcode.IsData () && compressed ? Rsv.On : Rsv.Off;
_rsv2 = Rsv.Off;
_rsv3 = Rsv.Off;
var len = payloadData.Length;
if (len < 126) {
_payloadLength = (byte) len;
_extPayloadLength = WebSocket.EmptyBytes;
}
else if (len < 0x010000) {
_payloadLength = (byte) 126;
_extPayloadLength = ((ushort) len).InternalToByteArray (ByteOrder.Big);
}
else {
_payloadLength = (byte) 127;
_extPayloadLength = len.InternalToByteArray (ByteOrder.Big);
}
if (mask) {
_mask = Mask.On;
_maskingKey = createMaskingKey ();
payloadData.Mask (_maskingKey);
}
else {
_mask = Mask.Off;
_maskingKey = WebSocket.EmptyBytes;
}
_payloadData = payloadData;
}
#endregion
#region Internal Properties
internal ulong ExactPayloadLength {
get {
return _payloadLength < 126
? _payloadLength
: _payloadLength == 126
? _extPayloadLength.ToUInt16 (ByteOrder.Big)
: _extPayloadLength.ToUInt64 (ByteOrder.Big);
}
}
internal int ExtendedPayloadLengthWidth {
get {
return _payloadLength < 126
? 0
: _payloadLength == 126
? 2
: 8;
}
}
#endregion
#region Public Properties
public byte[] ExtendedPayloadLength {
get {
return _extPayloadLength;
}
}
public Fin Fin {
get {
return _fin;
}
}
public bool IsBinary {
get {
return _opcode == Opcode.Binary;
}
}
public bool IsClose {
get {
return _opcode == Opcode.Close;
}
}
public bool IsCompressed {
get {
return _rsv1 == Rsv.On;
}
}
public bool IsContinuation {
get {
return _opcode == Opcode.Cont;
}
}
public bool IsControl {
get {
return _opcode >= Opcode.Close;
}
}
public bool IsData {
get {
return _opcode == Opcode.Text || _opcode == Opcode.Binary;
}
}
public bool IsFinal {
get {
return _fin == Fin.Final;
}
}
public bool IsFragment {
get {
return _fin == Fin.More || _opcode == Opcode.Cont;
}
}
public bool IsMasked {
get {
return _mask == Mask.On;
}
}
public bool IsPing {
get {
return _opcode == Opcode.Ping;
}
}
public bool IsPong {
get {
return _opcode == Opcode.Pong;
}
}
public bool IsText {
get {
return _opcode == Opcode.Text;
}
}
public ulong Length {
get {
return 2
+ (ulong) (_extPayloadLength.Length + _maskingKey.Length)
+ _payloadData.Length;
}
}
public Mask Mask {
get {
return _mask;
}
}
public byte[] MaskingKey {
get {
return _maskingKey;
}
}
public Opcode Opcode {
get {
return _opcode;
}
}
public PayloadData PayloadData {
get {
return _payloadData;
}
}
public byte PayloadLength {
get {
return _payloadLength;
}
}
public Rsv Rsv1 {
get {
return _rsv1;
}
}
public Rsv Rsv2 {
get {
return _rsv2;
}
}
public Rsv Rsv3 {
get {
return _rsv3;
}
}
#endregion
#region Private Methods
private static byte[] createMaskingKey ()
{
var key = new byte[4];
WebSocket.RandomNumber.GetBytes (key);
return key;
}
private static string dump (WebSocketFrame frame)
{
var len = frame.Length;
var cnt = (long) (len / 4);
var rem = (int) (len % 4);
int cntDigit;
string cntFmt;
if (cnt < 10000) {
cntDigit = 4;
cntFmt = "{0,4}";
}
else if (cnt < 0x010000) {
cntDigit = 4;
cntFmt = "{0,4:X}";
}
else if (cnt < 0x0100000000) {
cntDigit = 8;
cntFmt = "{0,8:X}";
}
else {
cntDigit = 16;
cntFmt = "{0,16:X}";
}
var spFmt = String.Format ("{{0,{0}}}", cntDigit);
var headerFmt = String.Format (
@"
{0} 01234567 89ABCDEF 01234567 89ABCDEF
{0}+--------+--------+--------+--------+\n",
spFmt
);
var lineFmt = String.Format (
"{0}|{{1,8}} {{2,8}} {{3,8}} {{4,8}}|\n", cntFmt
);
var footerFmt = String.Format (
"{0}+--------+--------+--------+--------+", spFmt
);
var buff = new StringBuilder (64);
Func<Action<string, string, string, string>> linePrinter =
() => {
long lineCnt = 0;
return (arg1, arg2, arg3, arg4) => {
buff.AppendFormat (
lineFmt, ++lineCnt, arg1, arg2, arg3, arg4
);
};
};
var printLine = linePrinter ();
var bytes = frame.ToArray ();
buff.AppendFormat (headerFmt, String.Empty);
for (long i = 0; i <= cnt; i++) {
var j = i * 4;
if (i < cnt) {
printLine (
Convert.ToString (bytes[j], 2).PadLeft (8, '0'),
Convert.ToString (bytes[j + 1], 2).PadLeft (8, '0'),
Convert.ToString (bytes[j + 2], 2).PadLeft (8, '0'),
Convert.ToString (bytes[j + 3], 2).PadLeft (8, '0')
);
continue;
}
if (rem > 0) {
printLine (
Convert.ToString (bytes[j], 2).PadLeft (8, '0'),
rem >= 2
? Convert.ToString (bytes[j + 1], 2).PadLeft (8, '0')
: String.Empty,
rem == 3
? Convert.ToString (bytes[j + 2], 2).PadLeft (8, '0')
: String.Empty,
String.Empty
);
}
}
buff.AppendFormat (footerFmt, String.Empty);
return buff.ToString ();
}
private static string print (WebSocketFrame frame)
{
// Payload Length
var payloadLen = frame._payloadLength;
// Extended Payload Length
var extPayloadLen = payloadLen > 125
? frame.ExactPayloadLength.ToString ()
: String.Empty;
// Masking Key
var maskingKey = BitConverter.ToString (frame._maskingKey);
// Payload Data
var payload = payloadLen == 0
? String.Empty
: payloadLen > 125
? "---"
: !frame.IsText
|| frame.IsFragment
|| frame.IsMasked
|| frame.IsCompressed
? frame._payloadData.ToString ()
: utf8Decode (frame._payloadData.ApplicationData);
var fmt = @"
FIN: {0}
RSV1: {1}
RSV2: {2}
RSV3: {3}
Opcode: {4}
MASK: {5}
Payload Length: {6}
Extended Payload Length: {7}
Masking Key: {8}
Payload Data: {9}";
return String.Format (
fmt,
frame._fin,
frame._rsv1,
frame._rsv2,
frame._rsv3,
frame._opcode,
frame._mask,
payloadLen,
extPayloadLen,
maskingKey,
payload
);
}
private static WebSocketFrame processHeader (byte[] header)
{
if (header.Length != 2) {
var msg = "The header part of a frame could not be read.";
throw new WebSocketException (msg);
}
// FIN
var fin = (header[0] & 0x80) == 0x80 ? Fin.Final : Fin.More;
// RSV1
var rsv1 = (header[0] & 0x40) == 0x40 ? Rsv.On : Rsv.Off;
// RSV2
var rsv2 = (header[0] & 0x20) == 0x20 ? Rsv.On : Rsv.Off;
// RSV3
var rsv3 = (header[0] & 0x10) == 0x10 ? Rsv.On : Rsv.Off;
// Opcode
var opcode = (byte) (header[0] & 0x0f);
// MASK
var mask = (header[1] & 0x80) == 0x80 ? Mask.On : Mask.Off;
// Payload Length
var payloadLen = (byte) (header[1] & 0x7f);
if (!opcode.IsSupported ()) {
var msg = "A frame has an unsupported opcode.";
throw new WebSocketException (CloseStatusCode.ProtocolError, msg);
}
if (!opcode.IsData () && rsv1 == Rsv.On) {
var msg = "A non data frame is compressed.";
throw new WebSocketException (CloseStatusCode.ProtocolError, msg);
}
if (opcode.IsControl ()) {
if (fin == Fin.More) {
var msg = "A control frame is fragmented.";
throw new WebSocketException (CloseStatusCode.ProtocolError, msg);
}
if (payloadLen > 125) {
var msg = "A control frame has too long payload length.";
throw new WebSocketException (CloseStatusCode.ProtocolError, msg);
}
}
var frame = new WebSocketFrame ();
frame._fin = fin;
frame._rsv1 = rsv1;
frame._rsv2 = rsv2;
frame._rsv3 = rsv3;
frame._opcode = (Opcode) opcode;
frame._mask = mask;
frame._payloadLength = payloadLen;
return frame;
}
private static WebSocketFrame readExtendedPayloadLength (
Stream stream, WebSocketFrame frame
)
{
var len = frame.ExtendedPayloadLengthWidth;
if (len == 0) {
frame._extPayloadLength = WebSocket.EmptyBytes;
return frame;
}
var bytes = stream.ReadBytes (len);
if (bytes.Length != len) {
var msg = "The extended payload length of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._extPayloadLength = bytes;
return frame;
}
private static void readExtendedPayloadLengthAsync (
Stream stream,
WebSocketFrame frame,
Action<WebSocketFrame> completed,
Action<Exception> error
)
{
var len = frame.ExtendedPayloadLengthWidth;
if (len == 0) {
frame._extPayloadLength = WebSocket.EmptyBytes;
completed (frame);
return;
}
stream.ReadBytesAsync (
len,
bytes => {
if (bytes.Length != len) {
var msg = "The extended payload length of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._extPayloadLength = bytes;
completed (frame);
},
error
);
}
private static WebSocketFrame readHeader (Stream stream)
{
var bytes = stream.ReadBytes (2);
return processHeader (bytes);
}
private static void readHeaderAsync (
Stream stream, Action<WebSocketFrame> completed, Action<Exception> error
)
{
stream.ReadBytesAsync (
2,
bytes => {
var frame = processHeader (bytes);
completed (frame);
},
error
);
}
private static WebSocketFrame readMaskingKey (
Stream stream, WebSocketFrame frame
)
{
if (!frame.IsMasked) {
frame._maskingKey = WebSocket.EmptyBytes;
return frame;
}
var len = 4;
var bytes = stream.ReadBytes (len);
if (bytes.Length != len) {
var msg = "The masking key of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._maskingKey = bytes;
return frame;
}
private static void readMaskingKeyAsync (
Stream stream,
WebSocketFrame frame,
Action<WebSocketFrame> completed,
Action<Exception> error
)
{
if (!frame.IsMasked) {
frame._maskingKey = WebSocket.EmptyBytes;
completed (frame);
return;
}
var len = 4;
stream.ReadBytesAsync (
len,
bytes => {
if (bytes.Length != len) {
var msg = "The masking key of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._maskingKey = bytes;
completed (frame);
},
error
);
}
private static WebSocketFrame readPayloadData (
Stream stream, WebSocketFrame frame
)
{
var exactLen = frame.ExactPayloadLength;
if (exactLen > PayloadData.MaxLength) {
var msg = "A frame has too long payload length.";
throw new WebSocketException (CloseStatusCode.TooBig, msg);
}
if (exactLen == 0) {
frame._payloadData = PayloadData.Empty;
return frame;
}
var len = (long) exactLen;
var bytes = frame._payloadLength < 127
? stream.ReadBytes ((int) exactLen)
: stream.ReadBytes (len, 1024);
if (bytes.LongLength != len) {
var msg = "The payload data of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._payloadData = new PayloadData (bytes, len);
return frame;
}
private static void readPayloadDataAsync (
Stream stream,
WebSocketFrame frame,
Action<WebSocketFrame> completed,
Action<Exception> error
)
{
var exactLen = frame.ExactPayloadLength;
if (exactLen > PayloadData.MaxLength) {
var msg = "A frame has too long payload length.";
throw new WebSocketException (CloseStatusCode.TooBig, msg);
}
if (exactLen == 0) {
frame._payloadData = PayloadData.Empty;
completed (frame);
return;
}
var len = (long) exactLen;
Action<byte[]> comp =
bytes => {
if (bytes.LongLength != len) {
var msg = "The payload data of a frame could not be read.";
throw new WebSocketException (msg);
}
frame._payloadData = new PayloadData (bytes, len);
completed (frame);
};
if (frame._payloadLength < 127) {
stream.ReadBytesAsync ((int) exactLen, comp, error);
return;
}
stream.ReadBytesAsync (len, 1024, comp, error);
}
private static string utf8Decode (byte[] bytes)
{
try {
return Encoding.UTF8.GetString (bytes);
}
catch {
return null;
}
}
#endregion
#region Internal Methods
internal static WebSocketFrame CreateCloseFrame (
PayloadData payloadData, bool mask
)
{
return new WebSocketFrame (
Fin.Final, Opcode.Close, payloadData, false, mask
);
}
internal static WebSocketFrame CreatePingFrame (bool mask)
{
return new WebSocketFrame (
Fin.Final, Opcode.Ping, PayloadData.Empty, false, mask
);
}
internal static WebSocketFrame CreatePingFrame (byte[] data, bool mask)
{
return new WebSocketFrame (
Fin.Final, Opcode.Ping, new PayloadData (data), false, mask
);
}
internal static WebSocketFrame CreatePongFrame (
PayloadData payloadData, bool mask
)
{
return new WebSocketFrame (
Fin.Final, Opcode.Pong, payloadData, false, mask
);
}
internal static WebSocketFrame ReadFrame (Stream stream, bool unmask)
{
var frame = readHeader (stream);
readExtendedPayloadLength (stream, frame);
readMaskingKey (stream, frame);
readPayloadData (stream, frame);
if (unmask)
frame.Unmask ();
return frame;
}
internal static void ReadFrameAsync (
Stream stream,
bool unmask,
Action<WebSocketFrame> completed,
Action<Exception> error
)
{
readHeaderAsync (
stream,
frame =>
readExtendedPayloadLengthAsync (
stream,
frame,
frame1 =>
readMaskingKeyAsync (
stream,
frame1,
frame2 =>
readPayloadDataAsync (
stream,
frame2,
frame3 => {
if (unmask)
frame3.Unmask ();
completed (frame3);
},
error
),
error
),
error
),
error
);
}
internal void Unmask ()
{
if (_mask == Mask.Off)
return;
_payloadData.Mask (_maskingKey);
_maskingKey = WebSocket.EmptyBytes;
_mask = Mask.Off;
}
#endregion
#region Public Methods
public IEnumerator<byte> GetEnumerator ()
{
foreach (var b in ToArray ())
yield return b;
}
public void Print (bool dumped)
{
var val = dumped ? dump (this) : print (this);
Console.WriteLine (val);
}
public string PrintToString (bool dumped)
{
return dumped ? dump (this) : print (this);
}
public byte[] ToArray ()
{
using (var buff = new MemoryStream ()) {
var header = (int) _fin;
header = (header << 1) + (int) _rsv1;
header = (header << 1) + (int) _rsv2;
header = (header << 1) + (int) _rsv3;
header = (header << 4) + (int) _opcode;
header = (header << 1) + (int) _mask;
header = (header << 7) + (int) _payloadLength;
var headerAsUshort = (ushort) header;
var headerAsBytes = headerAsUshort.InternalToByteArray (ByteOrder.Big);
buff.Write (headerAsBytes, 0, 2);
if (_payloadLength > 125) {
var cnt = _payloadLength == 126 ? 2 : 8;
buff.Write (_extPayloadLength, 0, cnt);
}
if (_mask == Mask.On)
buff.Write (_maskingKey, 0, 4);
if (_payloadLength > 0) {
var bytes = _payloadData.ToArray ();
if (_payloadLength < 127)
buff.Write (bytes, 0, bytes.Length);
else
buff.WriteBytes (bytes, 1024);
}
buff.Close ();
return buff.ToArray ();
}
}
public override string ToString ()
{
var val = ToArray ();
return BitConverter.ToString (val);
}
#endregion
#region Explicit Interface Implementations
IEnumerator IEnumerable.GetEnumerator ()
{
return GetEnumerator ();
}
#endregion
}
}

65
websocket-sharp/WebSocketState.cs Normal file
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#region License
/*
* WebSocketState.cs
*
* The MIT License
*
* Copyright (c) 2010-2016 sta.blockhead
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#endregion
using System;
namespace WebSocketSharp
{
/// <summary>
/// Indicates the state of a WebSocket connection.
/// </summary>
/// <remarks>
/// The values of this enumeration are defined in
/// <see href="http://www.w3.org/TR/websockets/#dom-websocket-readystate">
/// The WebSocket API</see>.
/// </remarks>
public enum WebSocketState : ushort
{
/// <summary>
/// Equivalent to numeric value 0. Indicates that the connection has not
/// yet been established.
/// </summary>
Connecting = 0,
/// <summary>
/// Equivalent to numeric value 1. Indicates that the connection has
/// been established, and the communication is possible.
/// </summary>
Open = 1,
/// <summary>
/// Equivalent to numeric value 2. Indicates that the connection is
/// going through the closing handshake, or the close method has
/// been invoked.
/// </summary>
Closing = 2,
/// <summary>
/// Equivalent to numeric value 3. Indicates that the connection has
/// been closed or could not be established.
/// </summary>
Closed = 3
}
}

4
websocket-sharp/doc/.gitignore vendored Normal file
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## Ignore MonoDevelop build results.
html
mdoc

31
websocket-sharp/doc/doc.sh Normal file
View File

@@ -0,0 +1,31 @@
#!/bin/sh
#
# @(#) doc.sh ver.0.0.2 2013.01.24
#
# Usage:
# doc.sh
#
# Description:
# Creating documentation for websocket-sharp.
#
###########################################################################
SRC_DIR="../bin/Release_Ubuntu"
XML="${SRC_DIR}/websocket-sharp.xml"
DLL="${SRC_DIR}/websocket-sharp.dll"
DOC_DIR="."
MDOC_DIR="${DOC_DIR}/mdoc"
HTML_DIR="${DOC_DIR}/html"
createDir() {
if [ ! -d $1 ]; then
mkdir -p $1
fi
}
set -e
createDir ${MDOC_DIR}
createDir ${HTML_DIR}
mdoc update --delete -fno-assembly-versions -i ${XML} -o ${MDOC_DIR}/ ${DLL}
mdoc export-html -o ${HTML_DIR}/ ${MDOC_DIR}/

154
websocket-sharp/websocket-sharp.csproj Normal file
View File

@@ -0,0 +1,154 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="3.5" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>9.0.21022</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{B357BAC7-529E-4D81-A0D2-71041B19C8DE}</ProjectGuid>
<OutputType>Library</OutputType>
<RootNamespace>WebSocketSharp</RootNamespace>
<AssemblyName>websocket-sharp</AssemblyName>
<TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
<SignAssembly>true</SignAssembly>
<AssemblyOriginatorKeyFile>websocket-sharp.snk</AssemblyOriginatorKeyFile>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug</OutputPath>
<DefineConstants>DEBUG</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>none</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Release</OutputPath>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug_Ubuntu|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug_Ubuntu</OutputPath>
<DefineConstants>DEBUG</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release_Ubuntu|AnyCPU' ">
<DebugType>none</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Release_Ubuntu</OutputPath>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
<ConsolePause>false</ConsolePause>
<GenerateDocumentation>true</GenerateDocumentation>
<CustomCommands>
<CustomCommands>
<Command type="AfterBuild" command="doc/doc.sh" workingdir="doc/" externalConsole="true" />
</CustomCommands>
</CustomCommands>
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
<Reference Include="System.Core" />
<Reference Include="System.ServiceModel" />
</ItemGroup>
<ItemGroup>
<Compile Include="AssemblyInfo.cs" />
<Compile Include="Ext.cs" />
<Compile Include="MessageEventArgs.cs" />
<Compile Include="CloseEventArgs.cs" />
<Compile Include="ByteOrder.cs" />
<Compile Include="ErrorEventArgs.cs" />
<Compile Include="OpenEventArgs.cs" />
<Compile Include="WebSocket.cs" />
<Compile Include="Server\WebSocketServer.cs" />
<Compile Include="Net\AuthenticationSchemes.cs" />
<Compile Include="Net\ChunkStream.cs" />
<Compile Include="Net\Cookie.cs" />
<Compile Include="Net\CookieCollection.cs" />
<Compile Include="Net\CookieException.cs" />
<Compile Include="Net\EndPointListener.cs" />
<Compile Include="Net\EndPointManager.cs" />
<Compile Include="Net\HttpConnection.cs" />
<Compile Include="Net\HttpListener.cs" />
<Compile Include="Net\HttpListenerContext.cs" />
<Compile Include="Net\HttpListenerException.cs" />
<Compile Include="Net\HttpListenerPrefixCollection.cs" />
<Compile Include="Net\HttpListenerRequest.cs" />
<Compile Include="Net\HttpListenerResponse.cs" />
<Compile Include="Net\HttpStreamAsyncResult.cs" />
<Compile Include="Net\HttpUtility.cs" />
<Compile Include="Net\RequestStream.cs" />
<Compile Include="Net\ResponseStream.cs" />
<Compile Include="Net\WebHeaderCollection.cs" />
<Compile Include="Server\HttpServer.cs" />
<Compile Include="Net\HttpVersion.cs" />
<Compile Include="Net\HttpStatusCode.cs" />
<Compile Include="Server\WebSocketServiceHost.cs" />
<Compile Include="CloseStatusCode.cs" />
<Compile Include="Fin.cs" />
<Compile Include="Mask.cs" />
<Compile Include="Opcode.cs" />
<Compile Include="PayloadData.cs" />
<Compile Include="Rsv.cs" />
<Compile Include="Net\WebSockets\HttpListenerWebSocketContext.cs" />
<Compile Include="Net\WebSockets\TcpListenerWebSocketContext.cs" />
<Compile Include="Net\WebSockets\WebSocketContext.cs" />
<Compile Include="Server\HttpRequestEventArgs.cs" />
<Compile Include="Net\HttpHeaderType.cs" />
<Compile Include="Net\HttpHeaderInfo.cs" />
<Compile Include="CompressionMethod.cs" />
<Compile Include="WebSocketException.cs" />
<Compile Include="LogData.cs" />
<Compile Include="LogLevel.cs" />
<Compile Include="Logger.cs" />
<Compile Include="WebSocketState.cs" />
<Compile Include="Server\IWebSocketSession.cs" />
<Compile Include="Server\WebSocketSessionManager.cs" />
<Compile Include="Server\ServerState.cs" />
<Compile Include="Net\HttpBasicIdentity.cs" />
<Compile Include="Net\HttpDigestIdentity.cs" />
<Compile Include="Net\NetworkCredential.cs" />
<Compile Include="Server\WebSocketServiceManager.cs" />
<Compile Include="Net\InputState.cs" />
<Compile Include="Net\LineState.cs" />
<Compile Include="Net\ReadBufferState.cs" />
<Compile Include="Net\Chunk.cs" />
<Compile Include="Net\InputChunkState.cs" />
<Compile Include="Net\ChunkedRequestStream.cs" />
<Compile Include="Net\QueryStringCollection.cs" />
<Compile Include="WebSocketFrame.cs" />
<Compile Include="Net\AuthenticationChallenge.cs" />
<Compile Include="Net\AuthenticationResponse.cs" />
<Compile Include="Net\AuthenticationBase.cs" />
<Compile Include="HttpBase.cs" />
<Compile Include="HttpRequest.cs" />
<Compile Include="HttpResponse.cs" />
<Compile Include="Server\WebSocketBehavior.cs" />
<Compile Include="Net\HttpListenerPrefix.cs" />
<Compile Include="Net\ClientSslConfiguration.cs" />
<Compile Include="Net\ServerSslConfiguration.cs" />
<Compile Include="Net\HttpListenerAsyncResult.cs" />
<Compile Include="Net\HttpRequestHeader.cs" />
<Compile Include="Net\HttpResponseHeader.cs" />
<Compile Include="Server\WebSocketServiceHost`1.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<ItemGroup>
<Folder Include="Server\" />
<Folder Include="Net\" />
<Folder Include="Net\WebSockets\" />
</ItemGroup>
<ItemGroup>
<Content Include="doc\.gitignore" />
<Content Include="doc\doc.sh" />
</ItemGroup>
</Project>

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