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Delta Between Two Patch Sets: Src/GoogleApis.Auth.WinRT/OAuth2/GoogleWebAuthorizationBroker.cs

Issue 14433060: Issue 351: Reimplement OAuth2 (Step 6): WinRT Support (Closed) Base URL: https://google-api-dotnet-client.googlecode.com/hg/
Left Patch Set: minor Created 10 years, 5 months ago
Right Patch Set: Noam comments + rename Authenticate to Authorize Created 10 years, 5 months ago
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1 /*
2 Copyright 2013 Google Inc
3
4 Licensed under the Apache License, Version 2.0 (the "License");
5 you may not use this file except in compliance with the License.
6 You may obtain a copy of the License at
7
8 http://www.apache.org/licenses/LICENSE-2.0
9
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
15 */
16
17 using System;
18 using System.Collections.Generic;
19 using System.IO;
20 using System.Text;
21 using System.Threading;
22 using System.Threading.Tasks;
23 using Windows.Storage;
24
25 using Google.Apis.Auth.OAuth2.Flows;
26 using Google.Apis.Util.Store;
27
28 namespace Google.Apis.Auth.OAuth2
29 {
30 /// <summary>A helper utility to manage the authorization code flow.</summar y>
31 public class GoogleWebAuthorizationBroker
32 {
33 /// <summary>Asynchronously authorizes the specified user.</summary>
34 /// <remarks>
35 /// It uses <seealso cref="Google.Apis.Util.Store.StroageDataStore"/> as the flow's data store by default.
36 /// </remarks>
37 /// <param name="clientSecretsUri">The client secrets URI.</param>
38 /// <param name="scopes">
39 /// The scopes which indicate the Google API access your application is requesting.
40 /// </param>
41 /// <param name="user">The user to authorize.</param>
42 /// <param name="taskCancellationToken">Cancellation token to cancel an operation.</param>
43 /// <returns>User credential.</returns>
44 public static async Task<UserCredential> AuthorizeAsync(Uri clientSecret sUri, IEnumerable<string> scopes,
45 string user, CancellationToken taskCancellationToken)
46 {
47 var clientSecrets = await LoadClientSecrets(clientSecretsUri);
48
49 var initializer = new GoogleAuthorizationCodeFlow.Initializer
50 {
51 ClientSecrets = clientSecrets,
52 Scopes = scopes,
53 DataStore = new StroageDataStore()
54 };
55
56 var installedApp = new AuthorizationCodeWinRTInstalledApp(initialize r);
57 return await installedApp.AuthorizeAsync(user, taskCancellationToken );
58 }
59
60 /// <summary>Loads the client secret from the given URI.</summary>
61 /// <param name="clientSecretsUri">The client secrets URI.</param>
62 /// <returns>Client secrets.</returns>
63 private static async Task<ClientSecrets> LoadClientSecrets(Uri clientSec retsUri)
64 {
65 var file = await StorageFile.GetFileFromApplicationUriAsync(clientSe cretsUri);
66 var content = await FileIO.ReadTextAsync(file);
67
68 using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(content) ))
69 {
70 return GoogleClientSecrets.Load(stream).Secrets;
71 }
72 }
73 }
74 }
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