C# AuthorizationState.Delete方法代码示例

		/// <summary>
		/// Exchanges a resource owner's password credential for OAuth 2.0 refresh and access tokens.
		/// </summary>
		/// <param name="userName">The resource owner's username, as it is known by the authorization server.</param>
		/// <param name="password">The resource owner's account password.</param>
		/// <param name="scopes">The desired scope of access.</param>
		/// <returns>The result, containing the tokens if successful.</returns>
		public IAuthorizationState ExchangeUserCredentialForToken(string userName, string password, IEnumerable<string> scopes = null) {
			Requires.NotNullOrEmpty(userName, "userName");
			Requires.NotNull(password, "password");

			var authorizationState = new AuthorizationState(scopes);

			var request = new AccessTokenResourceOwnerPasswordCredentialsRequest(this.AuthorizationServer.TokenEndpoint, this.AuthorizationServer.Version) {
				ClientIdentifier = this.ClientIdentifier,
				ClientSecret = this.ClientSecret,
				UserName = userName,
				Password = password,
			};

			var response = this.Channel.Request(request);
			var success = response as AccessTokenSuccessResponse;
			var failure = response as AccessTokenFailedResponse;
			ErrorUtilities.VerifyProtocol(success != null || failure != null, MessagingStrings.UnexpectedMessageReceivedOfMany);
			if (success != null) {
				UpdateAuthorizationWithResponse(authorizationState, success);
			} else { // failure
				Logger.OAuth.Info("Resource Owner credentials rejected by the Authorization Server.");
				authorizationState.Delete();
			}

			return authorizationState;
		}

		/// <summary>
		/// Requests an access token using a partially .initialized request message.
		/// </summary>
		/// <param name="request">The request message.</param>
		/// <param name="scopes">The scopes requested by the client.</param>
		/// <param name="cancellationToken">The cancellation token.</param>
		/// <returns>
		/// The result of the request.
		/// </returns>
		private async Task<IAuthorizationState> RequestAccessTokenAsync(ScopedAccessTokenRequest request, IEnumerable<string> scopes, CancellationToken cancellationToken) {
			Requires.NotNull(request, "request");

			var authorizationState = new AuthorizationState(scopes);

			request.ClientIdentifier = this.ClientIdentifier;
			this.ApplyClientCredential(request);
			request.Scope.UnionWith(authorizationState.Scope);

			var response = await this.Channel.RequestAsync(request, cancellationToken);
			var success = response as AccessTokenSuccessResponse;
			var failure = response as AccessTokenFailedResponse;
			ErrorUtilities.VerifyProtocol(success != null || failure != null, MessagingStrings.UnexpectedMessageReceivedOfMany);
			if (success != null) {
				authorizationState.Scope.Clear(); // clear the scope we requested so that the response will repopulate it.
				UpdateAuthorizationWithResponse(authorizationState, success);
			} else { // failure
				Logger.OAuth.Info("Credentials rejected by the Authorization Server.");
				authorizationState.Delete();
			}

			return authorizationState;
		}

		/// <summary>
		/// Requests an access token using a partially .initialized request message.
		/// </summary>
		/// <param name="request">The request message.</param>
		/// <param name="scopes">The scopes requested by the client.</param>
		/// <returns>The result of the request.</returns>
		private IAuthorizationState RequestAccessToken(ScopedAccessTokenRequest request, IEnumerable<string> scopes = null) {
			Requires.NotNull(request, "request");

			var authorizationState = new AuthorizationState(scopes);

			request.ClientIdentifier = this.ClientIdentifier;
			request.ClientSecret = this.ClientSecret;
			request.Scope.UnionWith(authorizationState.Scope);

			var response = this.Channel.Request(request);
			var success = response as AccessTokenSuccessResponse;
			var failure = response as AccessTokenFailedResponse;
			ErrorUtilities.VerifyProtocol(success != null || failure != null, MessagingStrings.UnexpectedMessageReceivedOfMany);
			if (success != null) {
				UpdateAuthorizationWithResponse(authorizationState, success);
			} else { // failure
				Logger.OAuth.Info("Credentials rejected by the Authorization Server.");
				authorizationState.Delete();
			}

			return authorizationState;
		}