75 lines
4.1 KiB
C#
75 lines
4.1 KiB
C#
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using System;
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using System.Text;
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using AppLimit.CloudComputing.SharpBox.Common.Net.oAuth;
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using AppLimit.CloudComputing.SharpBox.Common.Net.oAuth.Context;
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using AppLimit.CloudComputing.SharpBox.Common.Net.oAuth.Impl;
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namespace AppLimit.CloudComputing.SharpBox.StorageProvider.GoogleDocs
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{
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public static class GoogleDocsAuthorizationHelper
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{
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public static GoogleDocsRequestToken GetGoogleDocsRequestToken(GoogleDocsConfiguration configuration, string consumerKey, string consumerSecret)
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{
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var consumerContext = new OAuthConsumerContext(consumerKey, consumerSecret);
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var serviceContext = new OAuthServiceContext(GetRequestTokenUrl(configuration),
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configuration.OAuthAuthorizeTokenUrl.ToString(),
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configuration.AuthorizationCallBack.ToString(),
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GetAccessTokenUrl(configuration, null));
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var service = new OAuthService();
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var token = service.GetRequestToken(serviceContext, consumerContext);
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return token != null ? new GoogleDocsRequestToken(token) : null;
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}
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public static string GetGoogleDocsAuthorizationUrl(GoogleDocsConfiguration configuration, GoogleDocsRequestToken token)
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{
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return OAuthUrlGenerator.GenerateAuthorizationUrl(configuration.OAuthAuthorizeTokenUrl.ToString(),
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configuration.AuthorizationCallBack.ToString(),
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token.RealToken);
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}
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public static ICloudStorageAccessToken ExchangeGoogleDocsRequestTokenIntoAccessToken(GoogleDocsConfiguration configuration, string consumerKey, string consumerSecret, GoogleDocsRequestToken requestToken, string oAuthVerifier)
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{
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var consumerContext = new OAuthConsumerContext(consumerKey, consumerSecret);
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var serviceContext = new OAuthServiceContext(configuration.OAuthGetRequestTokenUrl.ToString(),
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configuration.OAuthAuthorizeTokenUrl.ToString(),
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configuration.AuthorizationCallBack.ToString(),
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GetAccessTokenUrl(configuration, oAuthVerifier));
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var service = new OAuthService();
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var accessToken = service.GetAccessToken(serviceContext, consumerContext, requestToken.RealToken);
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if (accessToken == null) throw new UnauthorizedAccessException();
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return new GoogleDocsToken(accessToken, consumerKey, consumerSecret);
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}
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public static ICloudStorageAccessToken BuildToken(string tokenKey, string tokenSecret, string consumerKey, string consumerSecret)
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{
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return new GoogleDocsToken(OAuthBase.UrlEncode(tokenKey), OAuthBase.UrlEncode(tokenSecret), consumerKey, consumerSecret);
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}
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private static string GetAccessTokenUrl(GoogleDocsConfiguration configuration, string oAuthVerifier)
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{
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var accessTokenUrl = configuration.OAuthGetAccessTokenUrl.ToString();
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if (!string.IsNullOrEmpty(oAuthVerifier))
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{
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accessTokenUrl = string.Format("{0}?oauth_verifier={1}", accessTokenUrl, oAuthVerifier);
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}
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return accessTokenUrl;
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}
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private static string GetRequestTokenUrl(GoogleDocsConfiguration configuration)
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{
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var requestTokenUrl = configuration.OAuthGetRequestTokenUrl.ToString();
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if (!string.IsNullOrEmpty(configuration.AccessUrlScope))
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{
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var sb = new StringBuilder(requestTokenUrl);
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sb.AppendFormat("?scope={0}", OAuthBase.UrlEncode(configuration.AccessUrlScope, '.'));
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sb.AppendFormat("&oauth_callback={0}", OAuthBase.UrlEncode(configuration.AuthorizationCallBack.ToString(), '.'));
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requestTokenUrl = sb.ToString();
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}
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return requestTokenUrl;
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}
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}
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}
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