C# IAuthenticationRequest.IsReturnUrlDiscoverable方法代码示例

		internal static void ProcessAuthenticationChallenge(IAuthenticationRequest idrequest) {
			// Verify that RP discovery is successful.
			if (idrequest.IsReturnUrlDiscoverable(ProviderEndpoint.Provider) != RelyingPartyDiscoveryResult.Success) {
				idrequest.IsAuthenticated = false;
				return;
			}

			// Verify that the RP is on the whitelist.  Realms are case sensitive.
			string[] whitelist = ConfigurationManager.AppSettings["whitelistedRealms"].Split(';');
			if (Array.IndexOf(whitelist, idrequest.Realm.ToString()) < 0) {
				idrequest.IsAuthenticated = false;
				return;
			}

			if (idrequest.IsDirectedIdentity) {
				if (HttpContext.Current.User.Identity.IsAuthenticated) {
					idrequest.LocalIdentifier = Util.BuildIdentityUrl();
					idrequest.IsAuthenticated = true;
				} else {
					idrequest.IsAuthenticated = false;
				}
			} else {
				string userOwningOpenIdUrl = Util.ExtractUserName(idrequest.LocalIdentifier);

				// NOTE: in a production provider site, you may want to only 
				// respond affirmatively if the user has already authorized this consumer
				// to know the answer.
				idrequest.IsAuthenticated = userOwningOpenIdUrl == HttpContext.Current.User.Identity.Name;
			}

			if (idrequest.IsAuthenticated.Value) {
				// add extension responses here.
				var fetchRequest = idrequest.GetExtension<FetchRequest>();
				if (fetchRequest != null) {
					var fetchResponse = new FetchResponse();
					if (fetchRequest.Attributes.Contains(RolesAttribute)) {
						// Inform the RP what roles this user should fill
						// These roles would normally come out of the user database.
						fetchResponse.Attributes.Add(RolesAttribute, "Member", "Admin");
					}
					idrequest.AddResponseExtension(fetchResponse);
				}
			}
		}

		/// <summary>
		/// Initializes a new instance of the <see cref="CheckIdWindow"/> class.
		/// </summary>
		/// <param name="provider">The OpenID Provider host.</param>
		/// <param name="request">The incoming authentication request.</param>
		private CheckIdWindow(HostedProvider provider, IAuthenticationRequest request) {
			Contract.Requires(request != null);

			this.InitializeComponent();

			// Initialize the window with appropriate values.
			this.realmLabel.Content = request.Realm;
			this.immediateModeLabel.Visibility = request.Immediate ? Visibility.Visible : Visibility.Collapsed;
			this.setupModeLabel.Visibility = request.Immediate ? Visibility.Collapsed : Visibility.Visible;

			bool isRPDiscoverable = request.IsReturnUrlDiscoverable(provider.Provider.Channel.WebRequestHandler) == RelyingPartyDiscoveryResult.Success;
			this.discoverableYesLabel.Visibility = isRPDiscoverable ? Visibility.Visible : Visibility.Collapsed;
			this.discoverableNoLabel.Visibility = isRPDiscoverable ? Visibility.Collapsed : Visibility.Visible;

			if (request.IsDirectedIdentity) {
				this.claimedIdentifierBox.Text = provider.UserIdentityPageBase.AbsoluteUri;
				this.localIdentifierBox.Text = provider.UserIdentityPageBase.AbsoluteUri;
			} else {
				this.claimedIdentifierBox.Text = request.ClaimedIdentifier;
				this.localIdentifierBox.Text = request.LocalIdentifier;
			}
		}

		internal static void ProcessAuthenticationChallenge(IAuthenticationRequest idrequest) {
			// Verify that RP discovery is successful.
			if (idrequest.IsReturnUrlDiscoverable(ProviderEndpoint.Provider.Channel.WebRequestHandler) != RelyingPartyDiscoveryResult.Success) {
				idrequest.IsAuthenticated = false;
				return;
			}

			// Verify that the RP is on the whitelist.  Realms are case sensitive.
			string[] whitelist = ConfigurationManager.AppSettings["whitelistedRealms"].Split(';');
			if (Array.IndexOf(whitelist, idrequest.Realm.ToString()) < 0) {
				idrequest.IsAuthenticated = false;
				return;
			}

			if (idrequest.IsDirectedIdentity) {
				if (HttpContext.Current.User.Identity.IsAuthenticated) {
					idrequest.LocalIdentifier = Util.BuildIdentityUrl();
					idrequest.IsAuthenticated = true;
				} else {
					// If the RP demands an immediate answer, or if we're using implicit authentication
					// and therefore have nothing further to ask the user, just reject the authentication.
					if (idrequest.Immediate || ImplicitAuth) {
						idrequest.IsAuthenticated = false;
					} else {
						// Send the user to a page to actually log into the OP.
						if (!HttpContext.Current.Request.Path.EndsWith("Login.aspx", StringComparison.OrdinalIgnoreCase)) {
							HttpContext.Current.Response.Redirect("~/Login.aspx");
						}
					}
				}
			} else {
				string userOwningOpenIdUrl = Util.ExtractUserName(idrequest.LocalIdentifier);

				// NOTE: in a production provider site, you may want to only 
				// respond affirmatively if the user has already authorized this consumer
				// to know the answer.
				idrequest.IsAuthenticated = userOwningOpenIdUrl == HttpContext.Current.User.Identity.Name;

				if (!idrequest.IsAuthenticated.Value && !ImplicitAuth && !idrequest.Immediate) {
					// Send the user to a page to actually log into the OP.
					if (!HttpContext.Current.Request.Path.EndsWith("Login.aspx", StringComparison.OrdinalIgnoreCase)) {
						HttpContext.Current.Response.Redirect("~/Login.aspx");
					}
				}
			}

			if (idrequest.IsAuthenticated.Value) {
				// add extension responses here.
				var fetchRequest = idrequest.GetExtension<FetchRequest>();
				if (fetchRequest != null) {
					var fetchResponse = new FetchResponse();
					if (fetchRequest.Attributes.Contains(RolesAttribute)) {
						// Inform the RP what roles this user should fill
						// These roles would normally come out of the user database
						// or Windows security groups.
						fetchResponse.Attributes.Add(RolesAttribute, "Member", "Admin");
					}
					idrequest.AddResponseExtension(fetchResponse);
				}
			}
		}