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//-----------------------------------------------------------------------
// <copyright file="ExtensionsBindingElementTests.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.Test.OpenId.ChannelElements {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Http;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.Messaging.Bindings;
using DotNetOpenAuth.OpenId;
using DotNetOpenAuth.OpenId.ChannelElements;
using DotNetOpenAuth.OpenId.Extensions;
using DotNetOpenAuth.OpenId.Messages;
using DotNetOpenAuth.OpenId.Provider;
using DotNetOpenAuth.OpenId.RelyingParty;
using DotNetOpenAuth.Test.Mocks;
using DotNetOpenAuth.Test.OpenId.Extensions;
using NUnit.Framework;
using Validation;
[TestFixture]
public class ExtensionsBindingElementTests : OpenIdTestBase {
private StandardOpenIdExtensionFactory factory;
private ExtensionsBindingElement rpElement;
private IProtocolMessageWithExtensions request;
[SetUp]
public override void SetUp() {
base.SetUp();
this.factory = new StandardOpenIdExtensionFactory();
this.factory.RegisterExtension(MockOpenIdExtension.Factory);
this.rpElement = new ExtensionsBindingElementRelyingParty(this.factory, new RelyingPartySecuritySettings());
this.rpElement.Channel = new TestChannel(this.MessageDescriptions);
this.request = new SignedResponseRequest(Protocol.Default.Version, OpenIdTestBase.OPUri, AuthenticationRequestMode.Immediate);
}
[Test]
public async Task RoundTripFullStackTest() {
IOpenIdMessageExtension request = new MockOpenIdExtension("requestPart", "requestData");
IOpenIdMessageExtension response = new MockOpenIdExtension("responsePart", "responseData");
await this.RoundtripAsync(
Protocol.Default,
new IOpenIdMessageExtension[] { request },
new IOpenIdMessageExtension[] { response });
}
[Test]
public void ExtensionFactory() {
Assert.AreSame(this.factory, this.rpElement.ExtensionFactory);
}
[Test]
public async Task PrepareMessageForSendingNull() {
Assert.IsNull(await this.rpElement.ProcessOutgoingMessageAsync(null, CancellationToken.None));
}
/// <summary>
/// Verifies that false is returned when a non-extendable message is sent.
/// </summary>
[Test]
public async Task PrepareMessageForSendingNonExtendableMessage() {
IProtocolMessage request = new AssociateDiffieHellmanRequest(Protocol.Default.Version, OpenIdTestBase.OPUri);
Assert.IsNull(await this.rpElement.ProcessOutgoingMessageAsync(request, CancellationToken.None));
}
[Test]
public async Task PrepareMessageForSending() {
this.request.Extensions.Add(new MockOpenIdExtension("part", "extra"));
Assert.IsNotNull(await this.rpElement.ProcessOutgoingMessageAsync(this.request, CancellationToken.None));
string alias = GetAliases(this.request.ExtraData).Single();
Assert.AreEqual(MockOpenIdExtension.MockTypeUri, this.request.ExtraData["openid.ns." + alias]);
Assert.AreEqual("part", this.request.ExtraData["openid." + alias + ".Part"]);
Assert.AreEqual("extra", this.request.ExtraData["openid." + alias + ".data"]);
}
[Test]
public async Task PrepareMessageForReceiving() {
this.request.ExtraData["openid.ns.mock"] = MockOpenIdExtension.MockTypeUri;
this.request.ExtraData["openid.mock.Part"] = "part";
this.request.ExtraData["openid.mock.data"] = "extra";
Assert.IsNotNull(await this.rpElement.ProcessIncomingMessageAsync(this.request, CancellationToken.None));
MockOpenIdExtension ext = this.request.Extensions.OfType<MockOpenIdExtension>().Single();
Assert.AreEqual("part", ext.Part);
Assert.AreEqual("extra", ext.Data);
}
/// <summary>
/// Verifies that extension responses are included in the OP's signature.
/// </summary>
[Test]
public async Task ExtensionResponsesAreSigned() {
Protocol protocol = Protocol.Default;
var op = this.CreateProvider();
IndirectSignedResponse response = this.CreateResponseWithExtensions(protocol);
await op.Channel.PrepareResponseAsync(response);
ITamperResistantOpenIdMessage signedResponse = response;
string extensionAliasKey = signedResponse.ExtraData.Single(kv => kv.Value == MockOpenIdExtension.MockTypeUri).Key;
Assert.IsTrue(extensionAliasKey.StartsWith("openid.ns."));
string extensionAlias = extensionAliasKey.Substring("openid.ns.".Length);
// Make sure that the extension members and the alias=namespace declaration are all signed.
Assert.IsNotNull(signedResponse.SignedParameterOrder);
string[] signedParameters = signedResponse.SignedParameterOrder.Split(',');
Assert.IsTrue(signedParameters.Contains(extensionAlias + ".Part"));
Assert.IsTrue(signedParameters.Contains(extensionAlias + ".data"));
Assert.IsTrue(signedParameters.Contains("ns." + extensionAlias));
}
/// <summary>
/// Verifies that unsigned extension responses (where any or all fields are unsigned) are ignored.
/// </summary>
[Test]
public async Task ExtensionsAreIdentifiedAsSignedOrUnsigned() {
Protocol protocol = Protocol.Default;
var opStore = new MemoryCryptoKeyAndNonceStore();
int rpStep = 0;
Handle(RPUri).By(
async req => {
var rp = new OpenIdRelyingParty(new MemoryCryptoKeyAndNonceStore(), this.HostFactories);
RegisterMockExtension(rp.Channel);
switch (++rpStep) {
case 1:
var response = await rp.Channel.ReadFromRequestAsync<IndirectSignedResponse>(req, CancellationToken.None);
Assert.AreEqual(1, response.SignedExtensions.Count(), "Signed extension should have been received.");
Assert.AreEqual(0, response.UnsignedExtensions.Count(), "No unsigned extension should be present.");
break;
case 2:
response = await rp.Channel.ReadFromRequestAsync<IndirectSignedResponse>(req, CancellationToken.None);
Assert.AreEqual(0, response.SignedExtensions.Count(), "No signed extension should have been received.");
Assert.AreEqual(1, response.UnsignedExtensions.Count(), "Unsigned extension should have been received.");
break;
default:
throw Assumes.NotReachable();
}
return new HttpResponseMessage();
});
Handle(OPUri).By(
async req => {
var op = new OpenIdProvider(opStore, this.HostFactories);
return await AutoProviderActionAsync(op, req, CancellationToken.None);
});
{
var op = new OpenIdProvider(opStore, this.HostFactories);
RegisterMockExtension(op.Channel);
var redirectingResponse = await op.Channel.PrepareResponseAsync(this.CreateResponseWithExtensions(protocol));
using (var httpClient = this.HostFactories.CreateHttpClient()) {
using (var response = await httpClient.GetAsync(redirectingResponse.Headers.Location)) {
response.EnsureSuccessStatusCode();
}
}
op.SecuritySettings.SignOutgoingExtensions = false;
redirectingResponse = await op.Channel.PrepareResponseAsync(this.CreateResponseWithExtensions(protocol));
using (var httpClient = this.HostFactories.CreateHttpClient()) {
using (var response = await httpClient.GetAsync(redirectingResponse.Headers.Location)) {
response.EnsureSuccessStatusCode();
}
}
}
}
/// <summary>
/// Verifies that two extensions with the same TypeURI cannot be applied to the same message.
/// </summary>
/// <remarks>
/// OpenID Authentication 2.0 section 12 states that
/// "A namespace MUST NOT be assigned more than one alias in the same message".
/// </remarks>
[Test]
public async Task TwoExtensionsSameTypeUri() {
IOpenIdMessageExtension request1 = new MockOpenIdExtension("requestPart1", "requestData1");
IOpenIdMessageExtension request2 = new MockOpenIdExtension("requestPart2", "requestData2");
try {
await this.RoundtripAsync(
Protocol.Default,
new IOpenIdMessageExtension[] { request1, request2 },
new IOpenIdMessageExtension[0]);
Assert.Fail("Expected ProtocolException not thrown.");
} catch (ProtocolException) {
// success
}
}
private static IEnumerable<string> GetAliases(IDictionary<string, string> extraData) {
Regex regex = new Regex(@"^openid\.ns\.(\w+)");
return from key in extraData.Keys
let m = regex.Match(key)
where m.Success
select m.Groups[1].Value;
}
private static void RegisterMockExtension(Channel channel) {
Requires.NotNull(channel, "channel");
ExtensionTestUtilities.RegisterExtension(channel, MockOpenIdExtension.Factory);
}
/// <summary>
/// Creates a response message with one extensions.
/// </summary>
/// <param name="protocol">The protocol to construct the message with.</param>
/// <returns>The message ready to send from OP to RP.</returns>
private IndirectSignedResponse CreateResponseWithExtensions(Protocol protocol) {
Requires.NotNull(protocol, "protocol");
var response = new IndirectSignedResponse(protocol.Version, RPUri);
response.ProviderEndpoint = OPUri;
response.Extensions.Add(new MockOpenIdExtension("pv", "ev"));
return response;
}
}
}
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