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//-----------------------------------------------------------------------
// <copyright file="ExtensionsBindingElementTests.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.Test.OpenId.ChannelElements {
using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Linq;
using System.Text.RegularExpressions;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OpenId;
using DotNetOpenAuth.OpenId.ChannelElements;
using DotNetOpenAuth.OpenId.Extensions;
using DotNetOpenAuth.OpenId.Messages;
using DotNetOpenAuth.OpenId.RelyingParty;
using DotNetOpenAuth.Test.Mocks;
using DotNetOpenAuth.Test.OpenId.Extensions;
using NUnit.Framework;
[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);
}
[TestCase]
public void RoundTripFullStackTest() {
IOpenIdMessageExtension request = new MockOpenIdExtension("requestPart", "requestData");
IOpenIdMessageExtension response = new MockOpenIdExtension("responsePart", "responseData");
ExtensionTestUtilities.Roundtrip(
Protocol.Default,
new IOpenIdMessageExtension[] { request },
new IOpenIdMessageExtension[] { response });
}
[TestCase]
public void ExtensionFactory() {
Assert.AreSame(this.factory, this.rpElement.ExtensionFactory);
}
[TestCase, ExpectedException(typeof(ArgumentNullException))]
public void PrepareMessageForSendingNull() {
this.rpElement.ProcessOutgoingMessage(null);
}
/// <summary>
/// Verifies that false is returned when a non-extendable message is sent.
/// </summary>
[TestCase]
public void PrepareMessageForSendingNonExtendableMessage() {
IProtocolMessage request = new AssociateDiffieHellmanRequest(Protocol.Default.Version, OpenIdTestBase.OPUri);
Assert.IsNull(this.rpElement.ProcessOutgoingMessage(request));
}
[TestCase]
public void PrepareMessageForSending() {
this.request.Extensions.Add(new MockOpenIdExtension("part", "extra"));
Assert.IsNotNull(this.rpElement.ProcessOutgoingMessage(this.request));
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"]);
}
[TestCase]
public void 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(this.rpElement.ProcessIncomingMessage(this.request));
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>
[TestCase]
public void ExtensionResponsesAreSigned() {
Protocol protocol = Protocol.Default;
var op = this.CreateProvider();
IndirectSignedResponse response = this.CreateResponseWithExtensions(protocol);
op.Channel.PrepareResponse(response);
ITamperResistantOpenIdMessage signedResponse = (ITamperResistantOpenIdMessage)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>
[TestCase]
public void ExtensionsAreIdentifiedAsSignedOrUnsigned() {
Protocol protocol = Protocol.Default;
OpenIdCoordinator coordinator = new OpenIdCoordinator(
rp => {
RegisterMockExtension(rp.Channel);
var response = rp.Channel.ReadFromRequest<IndirectSignedResponse>();
Assert.AreEqual(1, response.SignedExtensions.Count(), "Signed extension should have been received.");
Assert.AreEqual(0, response.UnsignedExtensions.Count(), "No unsigned extension should be present.");
response = rp.Channel.ReadFromRequest<IndirectSignedResponse>();
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.");
},
op => {
RegisterMockExtension(op.Channel);
op.Channel.Respond(CreateResponseWithExtensions(protocol));
op.Respond(op.GetRequest()); // check_auth
op.SecuritySettings.SignOutgoingExtensions = false;
op.Channel.Respond(CreateResponseWithExtensions(protocol));
op.Respond(op.GetRequest()); // check_auth
});
coordinator.Run();
}
/// <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>
[TestCase]
public void TwoExtensionsSameTypeUri() {
IOpenIdMessageExtension request1 = new MockOpenIdExtension("requestPart1", "requestData1");
IOpenIdMessageExtension request2 = new MockOpenIdExtension("requestPart2", "requestData2");
try {
ExtensionTestUtilities.Roundtrip(
Protocol.Default,
new IOpenIdMessageExtension[] { request1, request2 },
new IOpenIdMessageExtension[0]);
Assert.Fail("Expected ProtocolException not thrown.");
} catch (AssertionException ex) {
Assert.IsInstanceOf<ProtocolException>(ex.InnerException);
}
}
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) {
Contract.Requires<ArgumentNullException>(channel != null);
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) {
Contract.Requires<ArgumentNullException>(protocol != null);
IndirectSignedResponse response = new IndirectSignedResponse(protocol.Version, RPUri);
response.ProviderEndpoint = OPUri;
response.Extensions.Add(new MockOpenIdExtension("pv", "ev"));
return response;
}
}
}
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