blob: 3a709b6cd9acad0e922fd244d80587ad441a1e69 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
//-----------------------------------------------------------------------
// <copyright file="AccessTokenBindingElement.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OAuth2.ChannelElements {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OAuth2.Messages;
/// <summary>
/// Serializes access tokens inside an outgoing message.
/// </summary>
internal class AccessTokenBindingElement : AuthServerBindingElementBase {
/// <summary>
/// Initializes a new instance of the <see cref="AccessTokenBindingElement"/> class.
/// </summary>
internal AccessTokenBindingElement() {
}
/// <summary>
/// Gets the protection commonly offered (if any) by this binding element.
/// </summary>
/// <value>Always <c>MessageProtections.None</c></value>
/// <remarks>
/// This value is used to assist in sorting binding elements in the channel stack.
/// </remarks>
public override MessageProtections Protection {
get { return MessageProtections.None; }
}
/// <summary>
/// Prepares a message for sending based on the rules of this channel binding element.
/// </summary>
/// <param name="message">The message to prepare for sending.</param>
/// <returns>
/// The protections (if any) that this binding element applied to the message.
/// Null if this binding element did not even apply to this binding element.
/// </returns>
public override MessageProtections? ProcessOutgoingMessage(IProtocolMessage message) {
var directResponse = message as IDirectResponseProtocolMessage;
IAccessTokenRequest request = directResponse != null ? directResponse.OriginatingRequest as IAccessTokenRequest : null;
var implicitGrantResponse = message as EndUserAuthorizationSuccessAccessTokenResponse;
if (implicitGrantResponse != null) {
IAuthorizationCarryingRequest tokenCarryingResponse = implicitGrantResponse;
tokenCarryingResponse.AuthorizationDescription = new AccessToken(request.ClientIdentifier, implicitGrantResponse.Scope, implicitGrantResponse.AuthorizingUsername, implicitGrantResponse.Lifetime);
return MessageProtections.None;
}
var accessTokenResponse = message as AccessTokenSuccessResponse;
if (accessTokenResponse != null) {
var authCarryingRequest = (IAuthorizationCarryingRequest)request;
var accessToken = new AccessToken(authCarryingRequest.AuthorizationDescription, accessTokenResponse.Lifetime);
using (var resourceServerEncryptionKey = this.AuthorizationServer.GetResourceServerEncryptionKey(request)) {
var accessTokenFormatter = AccessToken.CreateFormatter(this.AuthorizationServer.AccessTokenSigningKey, resourceServerEncryptionKey);
accessTokenResponse.AccessToken = accessTokenFormatter.Serialize(accessToken);
}
if (accessTokenResponse.HasRefreshToken) {
var refreshToken = new RefreshToken(authCarryingRequest.AuthorizationDescription);
var refreshTokenFormatter = RefreshToken.CreateFormatter(this.AuthorizationServer.CryptoKeyStore);
accessTokenResponse.RefreshToken = refreshTokenFormatter.Serialize(refreshToken);
}
}
return null;
}
/// <summary>
/// Performs any transformation on an incoming message that may be necessary and/or
/// validates an incoming message based on the rules of this channel binding element.
/// </summary>
/// <param name="message">The incoming message to process.</param>
/// <returns>
/// The protections (if any) that this binding element applied to the message.
/// Null if this binding element did not even apply to this binding element.
/// </returns>
/// <exception cref="ProtocolException">
/// Thrown when the binding element rules indicate that this message is invalid and should
/// NOT be processed.
/// </exception>
public override MessageProtections? ProcessIncomingMessage(IProtocolMessage message) {
return null;
}
}
}
|
