blob: 65de6606568e8db292d18fb4f2d4c8b046ce8a32 (
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
|
//-----------------------------------------------------------------------
// <copyright file="OAuth2ChannelBase.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OAuth2.ChannelElements {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OAuth2.Messages;
using Validation;
/// <summary>
/// The base messaging channel used by OAuth 2.0 parties.
/// </summary>
internal abstract class OAuth2ChannelBase : StandardMessageFactoryChannel {
/// <summary>
/// The protocol versions supported by this channel.
/// </summary>
private static readonly Version[] Versions = Protocol.AllVersions.Select(v => v.Version).ToArray();
/// <summary>
/// Initializes a new instance of the <see cref="OAuth2ChannelBase" /> class.
/// </summary>
/// <param name="messageTypes">The message types that are received by this channel.</param>
/// <param name="channelBindingElements">The binding elements to use in sending and receiving messages.
/// The order they are provided is used for outgoing messgaes, and reversed for incoming messages.</param>
/// <param name="hostFactories">The host factories.</param>
internal OAuth2ChannelBase(Type[] messageTypes, IChannelBindingElement[] channelBindingElements = null, IHostFactories hostFactories = null)
: base(Requires.NotNull(messageTypes, "messageTypes"), Versions, hostFactories ?? new OAuth.DefaultOAuthHostFactories(), channelBindingElements ?? new IChannelBindingElement[0]) {
}
/// <summary>
/// Allows preprocessing and validation of message data before an appropriate message type is
/// selected or deserialized.
/// </summary>
/// <param name="fields">The received message data.</param>
protected override void FilterReceivedFields(IDictionary<string, string> fields) {
base.FilterReceivedFields(fields);
// Apply the OAuth 2.0 section 2.1 requirement:
// Parameters sent without a value MUST be treated as if they were omitted from the request.
// The authorization server SHOULD ignore unrecognized request parameters.
var emptyKeys = from pair in fields
where string.IsNullOrEmpty(pair.Value)
select pair.Key;
foreach (string emptyKey in emptyKeys.ToList()) {
fields.Remove(emptyKey);
}
}
}
}
|
