remoting/test/access_token_fetcher.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef REMOTING_TEST_ACCESS_TOKEN_FETCHER_H_
   6 #define REMOTING_TEST_ACCESS_TOKEN_FETCHER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "google_apis/gaia/gaia_oauth_client.h"
  14
  15 namespace remoting {
  16 namespace test {
  17
  18 // Supplied by the client for each request to GAIA and returns valid tokens on
  19 // success or empty tokens on failure.
  20 typedef base::Callback<void(
  21     const std::string& access_token,
  22     const std::string& refresh_token)> AccessTokenCallback;
  23
  24 // Retrieves an access token from either an authorization code or a refresh
  25 // token.  Destroying the AccessTokenFetcher while a request is outstanding will
  26 // cancel the request. It is safe to delete the fetcher from within a completion
  27 // callback.  Must be used from a thread running an IO message loop.
  28 // The public methods are virtual to allow for mocking and fakes.
  29 class AccessTokenFetcher : public gaia::GaiaOAuthClient::Delegate {
  30  public:
  31   AccessTokenFetcher();
  32   ~AccessTokenFetcher() override;
  33
  34   // Retrieve an access token from a one time use authorization code.
  35   virtual void GetAccessTokenFromAuthCode(const std::string& auth_code,
  36                                           const AccessTokenCallback& callback);
  37
  38   // Retrieve an access token from a refresh token.
  39   virtual void GetAccessTokenFromRefreshToken(
  40       const std::string& refresh_token,
  41       const AccessTokenCallback& callback);
  42
  43  private:
  44   // gaia::GaiaOAuthClient::Delegate Interface.
  45   void OnGetTokensResponse(const std::string& refresh_token,
  46                            const std::string& access_token,
  47                            int expires_in_seconds) override;
  48   void OnRefreshTokenResponse(const std::string& access_token,
  49                               int expires_in_seconds) override;
  50   void OnGetUserEmailResponse(const std::string& user_email) override;
  51   void OnGetUserIdResponse(const std::string& user_id) override;
  52   void OnGetUserInfoResponse(
  53       scoped_ptr<base::DictionaryValue> user_info) override;
  54   void OnGetTokenInfoResponse(
  55       scoped_ptr<base::DictionaryValue> token_info) override;
  56   void OnOAuthError() override;
  57   void OnNetworkError(int response_code) override;
  58
  59   // Updates |auth_client_| with a new GaiaOAuthClient instance.
  60   void CreateNewGaiaOAuthClientInstance();
  61
  62   // Validates the retrieved access token.
  63   void ValidateAccessToken();
  64
  65   // Caller-supplied callback used to return valid tokens on success or empty
  66   // tokens on failure.
  67   AccessTokenCallback access_token_callback_;
  68
  69   // Retrieved based on the |refresh_token_|.
  70   std::string access_token_;
  71
  72   // Supplied by the caller or retrieved from a caller-supplied auth token.
  73   std::string refresh_token_;
  74
  75   // Holds the client id, secret, and redirect url used to make
  76   // the Gaia service request.
  77   gaia::OAuthClientInfo oauth_client_info_;
  78
  79   // Used to make token requests to GAIA.
  80   scoped_ptr<gaia::GaiaOAuthClient> auth_client_;
  81
  82   DISALLOW_COPY_AND_ASSIGN(AccessTokenFetcher);
  83 };
  84
  85 }  // namespace test
  86 }  // namespace remoting
  87
  88 #endif  // REMOTING_TEST_ACCESS_TOKEN_FETCHER_H_