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Added AuthenticationBase.cs

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sta 2014-06-30 20:22:23 +09:00
parent 5f0b36997b
commit d85dc01897
4 changed files with 197 additions and 152 deletions
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104
websocket-sharp/Net/AuthenticationBase.cs Normal file
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@ -0,0 +1,104 @@
#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 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;
}
#endregion
}
}

88
websocket-sharp/Net/AuthenticationChallenge.cs
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@ -32,21 +32,13 @@ using System.Text;
namespace WebSocketSharp.Net
{
internal class AuthenticationChallenge
internal class AuthenticationChallenge : AuthenticationBase
{
#region Private Fields
private NameValueCollection _parameters;
private AuthenticationSchemes _scheme;
#endregion
#region Private Constructors
private AuthenticationChallenge (AuthenticationSchemes scheme, NameValueCollection parameters)
: base (scheme, parameters)
{
_scheme = scheme;
_parameters = parameters;
}
#endregion
@ -54,23 +46,13 @@ namespace WebSocketSharp.Net
#region Internal Constructors
internal AuthenticationChallenge (AuthenticationSchemes scheme, string realm)
: this (scheme, new NameValueCollection ())
: base (scheme, new NameValueCollection ())
{
_parameters["realm"] = realm;
Parameters["realm"] = realm;
if (scheme == AuthenticationSchemes.Digest) {
_parameters["nonce"] = AuthenticationResponse.CreateNonceValue ();
_parameters["algorithm"] = "MD5";
_parameters["qop"] = "auth";
}
}
#endregion
#region Internal Properties
internal NameValueCollection Parameters {
get {
return _parameters;
Parameters["nonce"] = CreateNonceValue ();
Parameters["algorithm"] = "MD5";
Parameters["qop"] = "auth";
}
}
@ -80,49 +62,43 @@ namespace WebSocketSharp.Net
public string Algorithm {
get {
return _parameters["algorithm"];
return Parameters["algorithm"];
}
}
public string Domain {
get {
return _parameters["domain"];
return Parameters["domain"];
}
}
public string Nonce {
get {
return _parameters["nonce"];
return Parameters["nonce"];
}
}
public string Opaque {
get {
return _parameters["opaque"];
return Parameters["opaque"];
}
}
public string Qop {
get {
return _parameters["qop"];
return Parameters["qop"];
}
}
public string Realm {
get {
return _parameters["realm"];
}
}
public AuthenticationSchemes Scheme {
get {
return _scheme;
return Parameters["realm"];
}
}
public string Stale {
get {
return _parameters["stale"];
return Parameters["stale"];
}
}
@ -146,29 +122,36 @@ namespace WebSocketSharp.Net
if (chal.Length != 2)
return null;
var scheme = chal[0].ToLower ();
return scheme == "basic"
var schm = chal[0].ToLower ();
return schm == "basic"
? new AuthenticationChallenge (
AuthenticationSchemes.Basic, AuthenticationResponse.ParseParameters (chal[1]))
: scheme == "digest"
AuthenticationSchemes.Basic, ParseParameters (chal[1]))
: schm == "digest"
? new AuthenticationChallenge (
AuthenticationSchemes.Digest, AuthenticationResponse.ParseParameters (chal[1]))
AuthenticationSchemes.Digest, ParseParameters (chal[1]))
: null;
}
internal string ToBasicString ()
{
return String.Format ("Basic realm=\"{0}\"", _parameters["realm"]);
return String.Format ("Basic realm=\"{0}\"", Parameters["realm"]);
}
internal string ToDigestString ()
{
return String.Format (
"Digest realm=\"{0}\", nonce=\"{1}\", algorithm={2}, qop=\"{3}\"",
_parameters["realm"],
_parameters["nonce"],
_parameters["algorithm"],
_parameters["qop"]);
var output = new StringBuilder (64);
output.AppendFormat ("Digest realm=\"{0}\"", Parameters["realm"]);
output.AppendFormat (", nonce=\"{0}\"", Parameters["nonce"]);
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
@ -177,9 +160,10 @@ namespace WebSocketSharp.Net
public override string ToString ()
{
return _scheme == AuthenticationSchemes.Basic
var schm = Scheme;
return schm == AuthenticationSchemes.Basic
? ToBasicString ()
: _scheme == AuthenticationSchemes.Digest
: schm == AuthenticationSchemes.Digest
? ToDigestString ()
: String.Empty;
}

154
websocket-sharp/Net/AuthenticationResponse.cs
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@ -38,22 +38,19 @@ using System.Text;
namespace WebSocketSharp.Net
{
internal class AuthenticationResponse
internal class AuthenticationResponse : AuthenticationBase
{
#region Private Fields
private uint _nonceCount;
private NameValueCollection _parameters;
private AuthenticationSchemes _scheme;
#endregion
#region Private Constructors
private AuthenticationResponse (AuthenticationSchemes scheme, NameValueCollection parameters)
: base (scheme, parameters)
{
_scheme = scheme;
_parameters = parameters;
}
#endregion
@ -76,11 +73,11 @@ namespace WebSocketSharp.Net
NameValueCollection parameters,
NetworkCredential credentials,
uint nonceCount)
: this (scheme, parameters)
: base (scheme, parameters)
{
_parameters["username"] = credentials.UserName;
_parameters["password"] = credentials.Password;
_parameters["uri"] = credentials.Domain;
Parameters["username"] = credentials.UserName;
Parameters["password"] = credentials.Password;
Parameters["uri"] = credentials.Domain;
_nonceCount = nonceCount;
if (scheme == AuthenticationSchemes.Digest)
initAsDigest ();
@ -98,85 +95,73 @@ namespace WebSocketSharp.Net
}
}
internal NameValueCollection Parameters {
get {
return _parameters;
}
}
#endregion
#region Public Properties
public string Algorithm {
get {
return _parameters["algorithm"];
return Parameters["algorithm"];
}
}
public string Cnonce {
get {
return _parameters["cnonce"];
return Parameters["cnonce"];
}
}
public string Nc {
get {
return _parameters["nc"];
return Parameters["nc"];
}
}
public string Nonce {
get {
return _parameters["nonce"];
return Parameters["nonce"];
}
}
public string Opaque {
get {
return _parameters["opaque"];
return Parameters["opaque"];
}
}
public string Password {
get {
return _parameters["password"];
return Parameters["password"];
}
}
public string Qop {
get {
return _parameters["qop"];
return Parameters["qop"];
}
}
public string Realm {
get {
return _parameters["realm"];
return Parameters["realm"];
}
}
public string Response {
get {
return _parameters["response"];
}
}
public AuthenticationSchemes Scheme {
get {
return _scheme;
return Parameters["response"];
}
}
public string Uri {
get {
return _parameters["uri"];
return Parameters["uri"];
}
}
public string UserName {
get {
return _parameters["username"];
return Parameters["username"];
}
}
@ -203,7 +188,7 @@ namespace WebSocketSharp.Net
private static string createA2 (string method, string uri, string entity)
{
return String.Format ("{0}:{1}:{2}", method, uri, entity);
return String.Format ("{0}:{1}:{2}", method, uri, hash (entity));
}
private static string hash (string value)
@ -221,55 +206,42 @@ namespace WebSocketSharp.Net
private void initAsDigest ()
{
var qops = _parameters["qop"];
var qops = Parameters["qop"];
if (qops != null) {
if (qops.Split (',').Contains (qop => qop.Trim ().ToLower () == "auth")) {
_parameters["qop"] = "auth";
_parameters["nc"] = String.Format ("{0:x8}", ++_nonceCount);
_parameters["cnonce"] = CreateNonceValue ();
Parameters["qop"] = "auth";
Parameters["nc"] = String.Format ("{0:x8}", ++_nonceCount);
Parameters["cnonce"] = CreateNonceValue ();
}
else {
_parameters["qop"] = null;
Parameters["qop"] = null;
}
}
_parameters["method"] = "GET";
_parameters["response"] = CreateRequestDigest (_parameters);
Parameters["method"] = "GET";
Parameters["response"] = CreateRequestDigest (Parameters);
}
#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 string CreateRequestDigest (NameValueCollection parameters)
{
var username = parameters["username"];
var password = parameters["password"];
var user = parameters["username"];
var pass = parameters["password"];
var realm = parameters["realm"];
var nonce = parameters["nonce"];
var uri = parameters["uri"];
var algorithm = parameters["algorithm"];
var algo = parameters["algorithm"];
var qop = parameters["qop"];
var nc = parameters["nc"];
var cnonce = parameters["cnonce"];
var method = parameters["method"];
var a1 = algorithm != null && algorithm.ToLower () == "md5-sess"
? createA1 (username, password, realm, nonce, cnonce)
: createA1 (username, password, realm);
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"])
@ -290,11 +262,11 @@ namespace WebSocketSharp.Net
if (cred.Length != 2)
return null;
var scheme = cred[0].ToLower ();
return scheme == "basic"
var schm = cred[0].ToLower ();
return schm == "basic"
? new AuthenticationResponse (
AuthenticationSchemes.Basic, ParseBasicCredentials (cred[1]))
: scheme == "digest"
: schm == "digest"
? new AuthenticationResponse (
AuthenticationSchemes.Digest, ParseParameters (cred[1]))
: null;
@ -327,27 +299,9 @@ namespace WebSocketSharp.Net
return res;
}
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 string ToBasicString ()
{
var userPass = String.Format ("{0}:{1}", _parameters["username"], _parameters["password"]);
var userPass = String.Format ("{0}:{1}", Parameters["username"], Parameters["password"]);
var cred = Convert.ToBase64String (Encoding.UTF8.GetBytes (userPass));
return "Basic " + cred;
@ -356,25 +310,25 @@ namespace WebSocketSharp.Net
internal string ToDigestString ()
{
var res = new StringBuilder (64);
res.AppendFormat ("username=\"{0}\"", _parameters["username"]);
res.AppendFormat (", realm=\"{0}\"", _parameters["realm"]);
res.AppendFormat (", nonce=\"{0}\"", _parameters["nonce"]);
res.AppendFormat (", uri=\"{0}\"", _parameters["uri"]);
res.AppendFormat ("username=\"{0}\"", Parameters["username"]);
res.AppendFormat (", realm=\"{0}\"", Parameters["realm"]);
res.AppendFormat (", nonce=\"{0}\"", Parameters["nonce"]);
res.AppendFormat (", uri=\"{0}\"", Parameters["uri"]);
var algorithm = _parameters["algorithm"];
if (algorithm != null)
res.AppendFormat (", algorithm={0}", algorithm);
var algo = Parameters["algorithm"];
if (algo != null)
res.AppendFormat (", algorithm={0}", algo);
res.AppendFormat (", response=\"{0}\"", _parameters["response"]);
res.AppendFormat (", response=\"{0}\"", Parameters["response"]);
var qop = _parameters["qop"];
var qop = Parameters["qop"];
if (qop != null) {
res.AppendFormat (", qop={0}", qop);
res.AppendFormat (", nc={0}", _parameters["nc"]);
res.AppendFormat (", cnonce=\"{0}\"", _parameters["cnonce"]);
res.AppendFormat (", nc={0}", Parameters["nc"]);
res.AppendFormat (", cnonce=\"{0}\"", Parameters["cnonce"]);
}
var opaque = _parameters["opaque"];
var opaque = Parameters["opaque"];
if (opaque != null)
res.AppendFormat (", opaque=\"{0}\"", opaque);
@ -387,18 +341,20 @@ namespace WebSocketSharp.Net
public IIdentity ToIdentity ()
{
return _scheme == AuthenticationSchemes.Basic
? new HttpBasicIdentity (_parameters["username"], _parameters["password"]) as IIdentity
: _scheme == AuthenticationSchemes.Digest
? new HttpDigestIdentity (_parameters)
var schm = Scheme;
return schm == AuthenticationSchemes.Basic
? new HttpBasicIdentity (Parameters["username"], Parameters["password"]) as IIdentity
: schm == AuthenticationSchemes.Digest
? new HttpDigestIdentity (Parameters)
: null;
}
public override string ToString ()
{
return _scheme == AuthenticationSchemes.Basic
var schm = Scheme;
return schm == AuthenticationSchemes.Basic
? ToBasicString ()
: _scheme == AuthenticationSchemes.Digest
: schm == AuthenticationSchemes.Digest
? ToDigestString ()
: String.Empty;
}

1
websocket-sharp/websocket-sharp.csproj
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@ -135,6 +135,7 @@
<Compile Include="WebSocketFrame.cs" />
<Compile Include="Net\AuthenticationChallenge.cs" />
<Compile Include="Net\AuthenticationResponse.cs" />
<Compile Include="Net\AuthenticationBase.cs" />
</ItemGroup>
<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
<ItemGroup>