remoting/host/oauth_token_getter_impl.h

   1 // Copyright 2014 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_HOST_OAUTH_TOKEN_GETTER_IMPL_H_
   6 #define REMOTING_HOST_OAUTH_TOKEN_GETTER_IMPL_H_
   7
   8 #include <queue>
   9
  10 #include "base/basictypes.h"
  11 #include "base/callback.h"
  12 #include "base/threading/non_thread_safe.h"
  13 #include "base/time/time.h"
  14 #include "base/timer/timer.h"
  15 #include "google_apis/gaia/gaia_oauth_client.h"
  16 #include "remoting/host/oauth_token_getter.h"
  17
  18 namespace net {
  19 class URLRequestContextGetter;
  20 }  // namespace net
  21
  22 namespace remoting {
  23
  24 // OAuthTokenGetter caches OAuth access tokens and refreshes them as needed.
  25 class OAuthTokenGetterImpl : public OAuthTokenGetter,
  26                              public base::NonThreadSafe,
  27                              public gaia::GaiaOAuthClient::Delegate {
  28  public:
  29   OAuthTokenGetterImpl(scoped_ptr<OAuthCredentials> oauth_credentials,
  30                        const scoped_refptr<net::URLRequestContextGetter>&
  31                            url_request_context_getter,
  32                        bool auto_refresh,
  33                        bool verify_email);
  34   ~OAuthTokenGetterImpl() override;
  35
  36   // OAuthTokenGetter interface.
  37   void CallWithToken(
  38       const OAuthTokenGetter::TokenCallback& on_access_token) override;
  39
  40  private:
  41   // gaia::GaiaOAuthClient::Delegate interface.
  42   void OnGetTokensResponse(const std::string& user_email,
  43                            const std::string& access_token,
  44                            int expires_seconds) override;
  45   void OnRefreshTokenResponse(const std::string& access_token,
  46                               int expires_in_seconds) override;
  47   void OnGetUserEmailResponse(const std::string& user_email) override;
  48   void OnOAuthError() override;
  49   void OnNetworkError(int response_code) override;
  50
  51   void NotifyCallbacks(Status status,
  52                        const std::string& user_email,
  53                        const std::string& access_token);
  54   void RefreshOAuthToken();
  55
  56   scoped_ptr<OAuthCredentials> oauth_credentials_;
  57   scoped_ptr<gaia::GaiaOAuthClient> gaia_oauth_client_;
  58   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
  59   const bool verify_email_;
  60
  61   bool refreshing_oauth_token_ = false;
  62   bool email_verified_ = false;
  63   std::string oauth_access_token_;
  64   base::Time auth_token_expiry_time_;
  65   std::queue<OAuthTokenGetter::TokenCallback> pending_callbacks_;
  66   scoped_ptr<base::OneShotTimer<OAuthTokenGetterImpl>> refresh_timer_;
  67 };
  68
  69 }  // namespace remoting
  70
  71 #endif  // REMOTING_HOST_OAUTH_TOKEN_GETTER_IMPL_H_