67 lines
2.9 KiB
C#
67 lines
2.9 KiB
C#
/*
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Copyright 2013 Google Inc
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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using System.Net.Http;
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using System.Threading;
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using System.Threading.Tasks;
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using Google.Apis.Auth.OAuth2.Responses;
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using Google.Apis.Json;
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using Google.Apis.Requests.Parameters;
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using Google.Apis.Util;
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namespace Google.Apis.Auth.OAuth2.Requests
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{
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/// <summary>Extension methods to <see cref="TokenRequest"/>.</summary>
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public static class TokenRequestExtenstions
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{
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/// <summary>
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/// Executes the token request in order to receive a
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/// <see cref="Google.Apis.Auth.OAuth2.Responses.TokenResponse"/>. In case the token server returns an
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/// error, a <see cref="Google.Apis.Auth.OAuth2.Responses.TokenResponseException"/> is thrown.
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/// </summary>
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/// <param name="request">The token request.</param>
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/// <param name="httpClient">The HTTP client used to create an HTTP request.</param>
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/// <param name="tokenServerUrl">The token server URL.</param>
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/// <param name="taskCancellationToken">Cancellation token to cancel operation.</param>
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/// <param name="clock">
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/// The clock which is used to set the
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/// <see cref="Google.Apis.Auth.OAuth2.Responses.TokenResponse.Issued"/> property.
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/// </param>
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/// <returns>Token response with the new access token.</returns>
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public static async Task<TokenResponse> ExecuteAsync(this TokenRequest request, HttpClient httpClient,
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string tokenServerUrl, CancellationToken taskCancellationToken, IClock clock)
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{
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var httpRequest = new HttpRequestMessage(HttpMethod.Post, tokenServerUrl);
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httpRequest.Content = ParameterUtils.CreateFormUrlEncodedContent(request);
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var response = await httpClient.SendAsync(httpRequest, taskCancellationToken).ConfigureAwait(false);
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var content = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
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if (!response.IsSuccessStatusCode)
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{
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var error = NewtonsoftJsonSerializer.Instance.Deserialize<TokenErrorResponse>(content);
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throw new TokenResponseException(error, response.StatusCode);
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}
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// Gets the token and sets its issued time.
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var newToken = NewtonsoftJsonSerializer.Instance.Deserialize<TokenResponse>(content);
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newToken.IssuedUtc = clock.UtcNow;
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return newToken;
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}
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}
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}
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