/// <summary>
/// Initializes a new instance of the <see cref="HostProcessedRequest"/> class.
/// </summary>
/// <param name="provider">The provider that received the request.</param>
/// <param name="request">The incoming request message.</param>
protected HostProcessedRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(request, provider.SecuritySettings)
{
Contract.Requires(provider != null);
this.negativeResponse = new NegativeAssertionResponse(request, provider.Channel);
}
internal AnonymousRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(provider, request) {
Contract.Requires<ArgumentNullException>(provider != null);
Contract.Requires<ArgumentException>(!(request is CheckIdRequest), "Instantiate " + typeof(AuthenticationRequest).Name + " to handle this kind of message.");
this.positiveResponse = new IndirectSignedResponse(request);
}
internal AnonymousRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(provider, request) {
Contract.Requires<ArgumentNullException>(provider != null);
Contract.Requires<ArgumentException>(!(request is CheckIdRequest));
this.positiveResponse = new IndirectSignedResponse(request);
}
/// <summary>
/// Initializes a new instance of the <see cref="HostProcessedRequest"/> class.
/// </summary>
/// <param name="provider">The provider that received the request.</param>
/// <param name="request">The incoming request message.</param>
protected HostProcessedRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(request, provider.SecuritySettings) {
Requires.NotNull(provider, "provider");
this.SharedInitialization(provider);
Reporting.RecordEventOccurrence(this, request.Realm);
}
/// <summary>
/// Initializes a new instance of the <see cref="HostProcessedRequest"/> class.
/// </summary>
/// <param name="provider">The provider that received the request.</param>
/// <param name="request">The incoming request message.</param>
protected HostProcessedRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(request, provider.SecuritySettings) {
Contract.Requires<ArgumentNullException>(provider != null);
this.negativeResponse = new NegativeAssertionResponse(request, provider.Channel);
Reporting.RecordEventOccurrence(this, request.Realm);
}
/// <summary>
/// Initializes a new instance of the <see cref="HostProcessedRequest"/> class.
/// </summary>
/// <param name="provider">The provider that received the request.</param>
/// <param name="request">The incoming request message.</param>
protected HostProcessedRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(request, provider.SecuritySettings) {
Requires.NotNull(provider, "provider");
this.negativeResponse = new NegativeAssertionResponse(request, provider.Channel);
Reporting.RecordEventOccurrence(this, request.Realm);
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectResponseBase"/> class.
/// </summary>
/// <param name="request">The request that caused this response message to be constructed.</param>
/// <param name="mode">The value of the openid.mode parameter.</param>
protected IndirectResponseBase(SignedResponseRequest request, string mode)
: base(GetVersion(request), GetReturnTo(request), mode, MessageTransport.Indirect)
{
ErrorUtilities.VerifyArgumentNotNull(request, "request");
this.OriginatingRequest = request;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectResponseBase"/> class.
/// </summary>
/// <param name="request">The request that caused this response message to be constructed.</param>
/// <param name="mode">The value of the openid.mode parameter.</param>
internal IndirectResponseBase(SignedResponseRequest request, string mode)
: base(GetVersion(request), GetReturnTo(request), mode, MessageTransport.Indirect)
{
Requires.NotNull(request, "request");
this.OriginatingRequest = request;
}
internal AnonymousRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(provider, request) {
Requires.NotNull(provider, "provider");
Requires.True(!(request is CheckIdRequest), "request");
this.positiveResponse = new IndirectSignedResponse(request);
}
public override void SetUp() {
base.SetUp();
this.providerEndpoint = new Uri("http://host");
this.immediatev1 = new SignedResponseRequest(Protocol.V11.Version, this.providerEndpoint, AuthenticationRequestMode.Immediate);
this.setupv1 = new SignedResponseRequest(Protocol.V11.Version, this.providerEndpoint, AuthenticationRequestMode.Setup);
this.immediatev2 = new SignedResponseRequest(Protocol.V20.Version, this.providerEndpoint, AuthenticationRequestMode.Immediate);
this.setupv2 = new SignedResponseRequest(Protocol.V20.Version, this.providerEndpoint, AuthenticationRequestMode.Setup);
// Prepare all message versions so that they SHOULD be valid by default.
// In particular, V1 messages require ReturnTo.
this.immediatev1.ReturnTo = new Uri("http://returnto/");
this.setupv1.ReturnTo = new Uri("http://returnto/");
try {
this.immediatev1.EnsureValidMessage();
this.setupv1.EnsureValidMessage();
this.immediatev2.EnsureValidMessage();
this.setupv2.EnsureValidMessage();
} catch (ProtocolException ex) {
Assert.Inconclusive("All messages ought to be valid before tests run, but got: {0}", ex.Message);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectResponseBase"/> class.
/// </summary>
/// <param name="request">The request that caused this response message to be constructed.</param>
/// <param name="mode">The value of the openid.mode parameter.</param>
protected IndirectResponseBase(SignedResponseRequest request, string mode)
: base(GetVersion(request), GetReturnTo(request), mode, MessageTransport.Indirect)
{
ErrorUtilities.VerifyArgumentNotNull(request, "request");
this.OriginatingRequest = request;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectResponseBase"/> class.
/// </summary>
/// <param name="request">The request that caused this response message to be constructed.</param>
/// <param name="mode">The value of the openid.mode parameter.</param>
protected IndirectResponseBase(SignedResponseRequest request, string mode)
: base(GetVersion(request), GetReturnTo(request), mode, MessageTransport.Indirect)
{
Contract.Requires <ArgumentNullException>(request != null);
this.OriginatingRequest = request;
}
/// <summary>
/// Gets the value for the openid.mode that is appropriate for this response.
/// </summary>
/// <param name="request">The request that we're responding to.</param>
/// <returns>The value of the openid.mode parameter to use.</returns>
private static string GetMode(SignedResponseRequest request)
{
Requires.NotNull(request, "request");
Protocol protocol = Protocol.Lookup(request.Version);
return(request.Immediate ? protocol.Args.Mode.setup_needed : protocol.Args.Mode.cancel);
}
/// <summary>
/// Gets the value for the openid.mode that is appropriate for this response.
/// </summary>
/// <param name="request">The request that we're responding to.</param>
/// <returns>The value of the openid.mode parameter to use.</returns>
private static string GetMode(SignedResponseRequest request)
{
Contract.Requires <ArgumentNullException>(request != null);
Protocol protocol = Protocol.Lookup(request.Version);
return(request.Immediate ? protocol.Args.Mode.setup_needed : protocol.Args.Mode.cancel);
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectSignedResponse"/> class.
/// </summary>
/// <param name="request">
/// The authentication request that caused this assertion to be generated.
/// </param>
internal IndirectSignedResponse(SignedResponseRequest request)
: base(request, Protocol.Lookup(GetVersion(request)).Args.Mode.id_res) {
Requires.NotNull(request, "request");
this.ReturnTo = request.ReturnTo;
this.ProviderEndpoint = request.Recipient.StripQueryArgumentsWithPrefix(Protocol.openid.Prefix);
((ITamperResistantOpenIdMessage)this).AssociationHandle = request.AssociationHandle;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectSignedResponse"/> class.
/// </summary>
/// <param name="request">
/// The authentication request that caused this assertion to be generated.
/// </param>
internal IndirectSignedResponse(SignedResponseRequest request)
: base(request, Protocol.Lookup(GetVersion(request)).Args.Mode.id_res) {
Contract.Requires<ArgumentNullException>(request != null);
this.ReturnTo = request.ReturnTo;
this.ProviderEndpoint = request.Recipient.StripQueryArgumentsWithPrefix(Protocol.openid.Prefix);
((ITamperResistantOpenIdMessage)this).AssociationHandle = request.AssociationHandle;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectSignedResponse"/> class.
/// </summary>
/// <param name="request">
/// The authentication request that caused this assertion to be generated.
/// </param>
internal IndirectSignedResponse(SignedResponseRequest request)
: base(request, Protocol.Lookup(GetVersion(request)).Args.Mode.id_res)
{
ErrorUtilities.VerifyArgumentNotNull(request, "request");
this.ReturnTo = request.ReturnTo;
this.ProviderEndpoint = request.Recipient.StripQueryArgumentsWithPrefix(Protocol.openid.Prefix);
((ITamperResistantOpenIdMessage)this).AssociationHandle = request.AssociationHandle;
}
/// <summary>
/// Initializes a new instance of the <see cref="NegativeAssertionResponse"/> class.
/// </summary>
/// <param name="request">The request that the relying party sent.</param>
/// <param name="channel">The channel to use to simulate construction of the user_setup_url, if applicable. May be null, but the user_setup_url will not be constructed.</param>
internal NegativeAssertionResponse(SignedResponseRequest request, Channel channel)
: base(request, GetMode(request)) {
// If appropriate, and when we're provided with a channel to do it,
// go ahead and construct the user_setup_url
if (this.Version.Major < 2 && request.Immediate && channel != null) {
// All requests are CheckIdRequests in OpenID 1.x, so this cast should be safe.
this.UserSetupUrl = ConstructUserSetupUrl((CheckIdRequest)request, channel);
}
}
/// <summary>
/// Analyzes an incoming request message payload to discover what kind of
/// message is embedded in it and returns the type, or null if no match is found.
/// </summary>
/// <param name="recipient">The intended or actual recipient of the request message.</param>
/// <param name="fields">The name/value pairs that make up the message payload.</param>
/// <returns>
/// A newly instantiated <see cref="IProtocolMessage"/>-derived object that this message can
/// deserialize to. Null if the request isn't recognized as a valid protocol message.
/// </returns>
public IDirectedProtocolMessage GetNewRequestMessage(MessageReceivingEndpoint recipient, IDictionary<string, string> fields)
{
ErrorUtilities.VerifyArgumentNotNull(recipient, "recipient");
ErrorUtilities.VerifyArgumentNotNull(fields, "fields");
RequestBase message = null;
// Discern the OpenID version of the message.
Protocol protocol = Protocol.V11;
string ns;
if (fields.TryGetValue(Protocol.V20.openid.ns, out ns)) {
ErrorUtilities.VerifyProtocol(string.Equals(ns, Protocol.OpenId2Namespace, StringComparison.Ordinal), MessagingStrings.UnexpectedMessagePartValue, Protocol.V20.openid.ns, ns);
protocol = Protocol.V20;
}
string mode;
if (fields.TryGetValue(protocol.openid.mode, out mode)) {
if (string.Equals(mode, protocol.Args.Mode.associate)) {
if (fields.ContainsKey(protocol.openid.dh_consumer_public)) {
message = new AssociateDiffieHellmanRequest(protocol.Version, recipient.Location);
} else {
message = new AssociateUnencryptedRequest(protocol.Version, recipient.Location);
}
} else if (string.Equals(mode, protocol.Args.Mode.checkid_setup) ||
string.Equals(mode, protocol.Args.Mode.checkid_immediate)) {
AuthenticationRequestMode authMode = string.Equals(mode, protocol.Args.Mode.checkid_immediate) ? AuthenticationRequestMode.Immediate : AuthenticationRequestMode.Setup;
if (fields.ContainsKey(protocol.openid.identity)) {
message = new CheckIdRequest(protocol.Version, recipient.Location, authMode);
} else {
ErrorUtilities.VerifyProtocol(!fields.ContainsKey(protocol.openid.claimed_id), OpenIdStrings.IdentityAndClaimedIdentifierMustBeBothPresentOrAbsent);
message = new SignedResponseRequest(protocol.Version, recipient.Location, authMode);
}
} else if (string.Equals(mode, protocol.Args.Mode.cancel) ||
(string.Equals(mode, protocol.Args.Mode.setup_needed) && (protocol.Version.Major >= 2 || fields.ContainsKey(protocol.openid.user_setup_url)))) {
message = new NegativeAssertionResponse(protocol.Version, recipient.Location, mode);
} else if (string.Equals(mode, protocol.Args.Mode.id_res)) {
if (fields.ContainsKey(protocol.openid.identity)) {
message = new PositiveAssertionResponse(protocol.Version, recipient.Location);
} else {
ErrorUtilities.VerifyProtocol(!fields.ContainsKey(protocol.openid.claimed_id), OpenIdStrings.IdentityAndClaimedIdentifierMustBeBothPresentOrAbsent);
message = new IndirectSignedResponse(protocol.Version, recipient.Location);
}
} else if (string.Equals(mode, protocol.Args.Mode.check_authentication)) {
message = new CheckAuthenticationRequest(protocol.Version, recipient.Location);
} else if (string.Equals(mode, protocol.Args.Mode.error)) {
message = new IndirectErrorResponse(protocol.Version, recipient.Location);
} else {
ErrorUtilities.ThrowProtocol(MessagingStrings.UnexpectedMessagePartValue, protocol.openid.mode, mode);
}
}
if (message != null) {
message.SetAsIncoming();
}
return message;
}
internal AnonymousRequest(OpenIdProvider provider, SignedResponseRequest request)
: base(provider, request)
{
Contract.Requires(provider != null);
Contract.Requires(!(request is CheckIdRequest), "Instantiate " + typeof(AuthenticationRequest).Name + " to handle this kind of message.");
ErrorUtilities.VerifyInternal(!(request is CheckIdRequest), "Instantiate {0} to handle this kind of message.", typeof(AuthenticationRequest).Name);
this.positiveResponse = new IndirectSignedResponse(request);
}
/// <summary>
/// Initializes a new instance of the <see cref="NegativeAssertionResponse"/> class.
/// </summary>
/// <param name="request">The request that the relying party sent.</param>
/// <param name="channel">The channel to use to simulate construction of the user_setup_url, if applicable. May be null, but the user_setup_url will not be constructed.</param>
internal NegativeAssertionResponse(SignedResponseRequest request, Channel channel)
: base(request, GetMode(request))
{
// If appropriate, and when we're provided with a channel to do it,
// go ahead and construct the user_setup_url
if (this.Version.Major < 2 && request.Immediate && channel != null)
{
// All requests are CheckIdRequests in OpenID 1.x, so this cast should be safe.
this.UserSetupUrl = ConstructUserSetupUrl((CheckIdRequest)request, channel);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NegativeAssertionResponse" /> class.
/// </summary>
/// <param name="request">The request that the relying party sent.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="channel">The channel to use to simulate construction of the user_setup_url, if applicable. May be null, but the user_setup_url will not be constructed.</param>
/// <returns>The negative assertion message that will indicate failure for the user to authenticate or an unwillingness to log into the relying party.</returns>
internal static async Task <NegativeAssertionResponse> CreateAsync(SignedResponseRequest request, CancellationToken cancellationToken, Channel channel = null)
{
var result = new NegativeAssertionResponse(request);
// If appropriate, and when we're provided with a channel to do it,
// go ahead and construct the user_setup_url
if (result.Version.Major < 2 && request.Immediate && channel != null)
{
// All requests are CheckIdRequests in OpenID 1.x, so this cast should be safe.
result.UserSetupUrl = await ConstructUserSetupUrlAsync((CheckIdRequest)request, channel, cancellationToken);
}
return(result);
}
public void ExtensionOnlyChannelLevel() {
Protocol protocol = Protocol.V20;
AuthenticationRequestMode mode = AuthenticationRequestMode.Setup;
var coordinator = new OpenIdCoordinator(
rp => {
var request = new SignedResponseRequest(protocol.Version, OPUri, mode);
rp.Channel.Respond(request);
},
op => {
var request = op.Channel.ReadFromRequest<SignedResponseRequest>();
Assert.IsNotInstanceOf<CheckIdRequest>(request);
});
coordinator.Run();
}
public void Serializable() {
var op = CreateProvider();
Protocol protocol = Protocol.V20;
var req = new SignedResponseRequest(protocol.Version, OPUri, AuthenticationRequestMode.Setup);
req.ReturnTo = RPUri;
var anonReq = new AnonymousRequest(op, req);
MemoryStream ms = new MemoryStream();
IFormatter formatter = new BinaryFormatter();
formatter.Serialize(ms, anonReq);
ms.Position = 0;
var req2 = (AnonymousRequest)formatter.Deserialize(ms);
Assert.That(req2, Is.Not.Null);
}
public async Task IsApprovedDeterminesReturnedMessage() {
var op = CreateProvider();
Protocol protocol = Protocol.V20;
var req = new SignedResponseRequest(protocol.Version, OPUri, AuthenticationRequestMode.Setup);
req.ReturnTo = RPUri;
var anonReq = new AnonymousRequest(op, req);
Assert.IsFalse(anonReq.IsApproved.HasValue);
anonReq.IsApproved = false;
Assert.IsInstanceOf<NegativeAssertionResponse>(await anonReq.GetResponseAsync(CancellationToken.None));
anonReq.IsApproved = true;
Assert.IsInstanceOf<IndirectSignedResponse>(await anonReq.GetResponseAsync(CancellationToken.None));
Assert.IsNotInstanceOf<PositiveAssertionResponse>(await anonReq.GetResponseAsync(CancellationToken.None));
}
public void IsApprovedDeterminesReturnedMessage()
{
var op = CreateProvider();
Protocol protocol = Protocol.V20;
var req = new SignedResponseRequest(protocol.Version, OPUri, AuthenticationRequestMode.Setup);
req.ReturnTo = RPUri;
var anonReq = new AnonymousRequest(op, req);
Assert.IsFalse(anonReq.IsApproved.HasValue);
anonReq.IsApproved = false;
Assert.IsInstanceOfType(anonReq.Response, typeof(NegativeAssertionResponse));
anonReq.IsApproved = true;
Assert.IsInstanceOfType(anonReq.Response, typeof(IndirectSignedResponse));
Assert.IsNotInstanceOfType(anonReq.Response, typeof(PositiveAssertionResponse));
}
public async Task ExtensionOnlyChannelLevel() {
Protocol protocol = Protocol.V20;
var mode = AuthenticationRequestMode.Setup;
HandleProvider(
async (op, req) => {
var request = await op.Channel.ReadFromRequestAsync<SignedResponseRequest>(req, CancellationToken.None);
Assert.IsNotInstanceOf<CheckIdRequest>(request);
return new HttpResponseMessage();
});
{
var rp = this.CreateRelyingParty();
var request = new SignedResponseRequest(protocol.Version, OPUri, mode);
var authRequest = await rp.Channel.PrepareResponseAsync(request);
using (var httpClient = rp.Channel.HostFactories.CreateHttpClient()) {
using (var response = await httpClient.GetAsync(authRequest.Headers.Location)) {
response.EnsureSuccessStatusCode();
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectErrorResponse"/> class.
/// </summary>
/// <param name="request">The request that resulted in this error on the Provider.</param>
internal IndirectErrorResponse(SignedResponseRequest request)
: base(request, Protocol.Lookup(GetVersion(request)).openidnp.error)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="NegativeAssertionResponse" /> class.
/// </summary>
/// <param name="request">The request that the relying party sent.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="channel">The channel to use to simulate construction of the user_setup_url, if applicable. May be null, but the user_setup_url will not be constructed.</param>
/// <returns>The negative assertion message that will indicate failure for the user to authenticate or an unwillingness to log into the relying party.</returns>
internal static async Task<NegativeAssertionResponse> CreateAsync(SignedResponseRequest request, CancellationToken cancellationToken, Channel channel = null) {
var result = new NegativeAssertionResponse(request);
// If appropriate, and when we're provided with a channel to do it,
// go ahead and construct the user_setup_url
if (result.Version.Major < 2 && request.Immediate && channel != null) {
// All requests are CheckIdRequests in OpenID 1.x, so this cast should be safe.
result.UserSetupUrl = await ConstructUserSetupUrlAsync((CheckIdRequest)request, channel, cancellationToken);
}
return result;
}
/// <summary>
/// Gets the <see cref="SignedResponseRequest.ReturnTo"/> property of a message.
/// </summary>
/// <param name="message">The message to fetch the ReturnTo from.</param>
/// <returns>The value of the <see cref="SignedResponseRequest.ReturnTo"/> property.</returns>
/// <remarks>
/// This method can be used by a constructor to throw an <see cref="ArgumentNullException"/>
/// instead of a <see cref="NullReferenceException"/>.
/// </remarks>
private static Uri GetReturnTo(SignedResponseRequest message)
{
Requires.NotNull(message, "message");
ErrorUtilities.VerifyProtocol(message.ReturnTo != null, OpenIdStrings.ReturnToRequiredForResponse);
return(message.ReturnTo);
}
/// <summary>
/// Initializes a new instance of the <see cref="NegativeAssertionResponse"/> class.
/// </summary>
/// <param name="request">The request.</param>
internal NegativeAssertionResponse(SignedResponseRequest request)
: base(request, GetMode(request)) {
}
/// <summary>
/// Initializes a new instance of the <see cref="NegativeAssertionResponse"/> class.
/// </summary>
/// <param name="request">The request.</param>
internal NegativeAssertionResponse(SignedResponseRequest request)
: base(request, GetMode(request))
{
}
/// <summary>
/// Determines whether the relying party sending an authentication request is
/// vulnerable to replay attacks.
/// </summary>
/// <param name="request">The request message from the Relying Party. Useful, but may be null for conservative estimate results.</param>
/// <param name="response">The response message to be signed.</param>
/// <returns>
/// <c>true</c> if the relying party is vulnerable; otherwise, <c>false</c>.
/// </returns>
private static bool IsRelyingPartyVulnerableToReplays(SignedResponseRequest request, IndirectSignedResponse response) {
Contract.Requires<ArgumentNullException>(response != null);
// OpenID 2.0 includes replay protection as part of the protocol.
if (response.Version.Major >= 2) {
return false;
}
// This library's RP may be on the remote end, and may be using 1.x merely because
// discovery on the Claimed Identifier suggested this was a 1.x OP.
// Since this library's RP has a built-in request_nonce parameter for replay
// protection, we'll allow for that.
var returnToArgs = HttpUtility.ParseQueryString(response.ReturnTo.Query);
if (!string.IsNullOrEmpty(returnToArgs[ReturnToNonceBindingElement.NonceParameter])) {
return false;
}
// If the OP endpoint _AND_ RP return_to URL uses HTTPS then no one
// can steal and replay the positive assertion.
// We can only ascertain this if the request message was handed to us
// so we know what our own OP endpoint is. If we don't have a request
// message, then we'll default to assuming it's insecure.
if (request != null) {
if (request.Recipient.IsTransportSecure() && response.Recipient.IsTransportSecure()) {
return false;
}
}
// Nothing left to protect against replays. RP is vulnerable.
return true;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectErrorResponse"/> class.
/// </summary>
/// <param name="request">The request that resulted in this error on the Provider.</param>
internal IndirectErrorResponse(SignedResponseRequest request)
: base(request, Protocol.Lookup(GetVersion(request)).openidnp.error)
{
}
/// <summary>
/// Creates the request message to send to the Provider,
/// based on the properties in this instance.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// The message to send to the Provider.
/// </returns>
private async Task<SignedResponseRequest> CreateRequestMessageAsync(CancellationToken cancellationToken) {
Association association = await this.GetAssociationAsync(cancellationToken);
SignedResponseRequest request;
if (!this.IsExtensionOnly) {
CheckIdRequest authRequest = new CheckIdRequest(this.DiscoveryResult.Version, this.DiscoveryResult.ProviderEndpoint, this.Mode);
authRequest.ClaimedIdentifier = this.DiscoveryResult.ClaimedIdentifier;
authRequest.LocalIdentifier = this.DiscoveryResult.ProviderLocalIdentifier;
request = authRequest;
} else {
request = new SignedResponseRequest(this.DiscoveryResult.Version, this.DiscoveryResult.ProviderEndpoint, this.Mode);
}
request.Realm = this.Realm;
request.ReturnTo = this.ReturnToUrl;
request.AssociationHandle = association != null ? association.Handle : null;
request.SignReturnTo = this.returnToArgsMustBeSigned;
request.AddReturnToArguments(this.returnToArgs);
if (this.DiscoveryResult.UserSuppliedIdentifier != null && OpenIdElement.Configuration.RelyingParty.PreserveUserSuppliedIdentifier) {
request.AddReturnToArguments(UserSuppliedIdentifierParameterName, this.DiscoveryResult.UserSuppliedIdentifier.OriginalString);
}
foreach (IOpenIdMessageExtension extension in this.extensions) {
request.Extensions.Add(extension);
}
return request;
}
/// <summary>
/// Gets the <see cref="SignedResponseRequest.ReturnTo"/> property of a message.
/// </summary>
/// <param name="message">The message to fetch the ReturnTo from.</param>
/// <returns>The value of the <see cref="SignedResponseRequest.ReturnTo"/> property.</returns>
/// <remarks>
/// This method can be used by a constructor to throw an <see cref="ArgumentNullException"/>
/// instead of a <see cref="NullReferenceException"/>.
/// </remarks>
private static Uri GetReturnTo(SignedResponseRequest message)
{
ErrorUtilities.VerifyArgumentNotNull(message, "message");
ErrorUtilities.VerifyProtocol(message.ReturnTo != null, OpenIdStrings.ReturnToRequiredForResponse);
return message.ReturnTo;
}
/// <summary>
/// Gets the <see cref="SignedResponseRequest.ReturnTo"/> property of a message.
/// </summary>
/// <param name="message">The message to fetch the ReturnTo from.</param>
/// <returns>The value of the <see cref="SignedResponseRequest.ReturnTo"/> property.</returns>
/// <remarks>
/// This method can be used by a constructor to throw an <see cref="ArgumentNullException"/>
/// instead of a <see cref="NullReferenceException"/>.
/// </remarks>
private static Uri GetReturnTo(SignedResponseRequest message) {
Contract.Requires<ArgumentNullException>(message != null);
ErrorUtilities.VerifyProtocol(message.ReturnTo != null, OpenIdStrings.ReturnToRequiredForResponse);
return message.ReturnTo;
}
/// <summary>
/// Initializes a new instance of the <see cref="IndirectResponseBase"/> class.
/// </summary>
/// <param name="request">The request that caused this response message to be constructed.</param>
/// <param name="mode">The value of the openid.mode parameter.</param>
protected IndirectResponseBase(SignedResponseRequest request, string mode)
: base(GetVersion(request), GetReturnTo(request), mode, MessageTransport.Indirect) {
Contract.Requires<ArgumentNullException>(request != null);
this.OriginatingRequest = request;
}
/// <summary>
/// Gets the value for the openid.mode that is appropriate for this response.
/// </summary>
/// <param name="request">The request that we're responding to.</param>
/// <returns>The value of the openid.mode parameter to use.</returns>
private static string GetMode(SignedResponseRequest request) {
Requires.NotNull(request, "request");
Protocol protocol = Protocol.Lookup(request.Version);
return request.Immediate ? protocol.Args.Mode.setup_needed : protocol.Args.Mode.cancel;
}
/// <summary>
/// Gets the <see cref="SignedResponseRequest.ReturnTo"/> property of a message.
/// </summary>
/// <param name="message">The message to fetch the ReturnTo from.</param>
/// <returns>The value of the <see cref="SignedResponseRequest.ReturnTo"/> property.</returns>
/// <remarks>
/// This method can be used by a constructor to throw an <see cref="ArgumentNullException"/>
/// instead of a <see cref="NullReferenceException"/>.
/// </remarks>
private static Uri GetReturnTo(SignedResponseRequest message)
{
Contract.Requires <ArgumentNullException>(message != null);
ErrorUtilities.VerifyProtocol(message.ReturnTo != null, OpenIdStrings.ReturnToRequiredForResponse);
return(message.ReturnTo);
}
/// <summary>
/// Gets the value for the openid.mode that is appropriate for this response.
/// </summary>
/// <param name="request">The request that we're responding to.</param>
/// <returns>The value of the openid.mode parameter to use.</returns>
private static string GetMode(SignedResponseRequest request) {
Contract.Requires<ArgumentNullException>(request != null);
Protocol protocol = Protocol.Lookup(request.Version);
return request.Immediate ? protocol.Args.Mode.setup_needed : protocol.Args.Mode.cancel;
}
/// <summary>
/// Creates the request message to send to the Provider,
/// based on the properties in this instance.
/// </summary>
/// <returns>The message to send to the Provider.</returns>
private SignedResponseRequest CreateRequestMessage() {
Association association = this.GetAssociation();
SignedResponseRequest request;
if (!this.IsExtensionOnly) {
CheckIdRequest authRequest = new CheckIdRequest(this.DiscoveryResult.Version, this.DiscoveryResult.ProviderEndpoint, this.Mode);
authRequest.ClaimedIdentifier = this.DiscoveryResult.ClaimedIdentifier;
authRequest.LocalIdentifier = this.DiscoveryResult.ProviderLocalIdentifier;
request = authRequest;
} else {
request = new SignedResponseRequest(this.DiscoveryResult.Version, this.DiscoveryResult.ProviderEndpoint, this.Mode);
}
request.Realm = this.Realm;
request.ReturnTo = this.ReturnToUrl;
request.AssociationHandle = association != null ? association.Handle : null;
request.SignReturnTo = this.returnToArgsMustBeSigned;
request.AddReturnToArguments(this.returnToArgs);
if (this.DiscoveryResult.UserSuppliedIdentifier != null) {
request.AddReturnToArguments(UserSuppliedIdentifierParameterName, this.DiscoveryResult.UserSuppliedIdentifier.OriginalString);
}
foreach (IOpenIdMessageExtension extension in this.extensions) {
request.Extensions.Add(extension);
}
return request;
}