| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GOOGLE_APIS_GAIA_OAUTH2_ACCESS_TOKEN_FETCHER_H_ |
| #define GOOGLE_APIS_GAIA_OAUTH2_ACCESS_TOKEN_FETCHER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "google_apis/gaia/oauth2_access_token_consumer.h" |
| #include "net/url_request/url_fetcher_delegate.h" |
| |
| // Interface of a OAuth2 access token fetcher. |
| // |
| // Usage: |
| // * Create an instance with a consumer. |
| // * Call Start() |
| // * The consumer passed in the constructor will be called on the same |
| // thread Start was called with the results. |
| // |
| // This class can handle one request at a time. To parallelize requests, |
| // create multiple instances. |
| class OAuth2AccessTokenFetcher { |
| public: |
| explicit OAuth2AccessTokenFetcher(OAuth2AccessTokenConsumer* consumer); |
| virtual ~OAuth2AccessTokenFetcher(); |
| |
| // Starts the flow with the given parameters. |
| // |scopes| can be empty. If it is empty then the access token will have the |
| // same scope as the refresh token. If not empty, then access token will have |
| // the scopes specified. In this case, the access token will successfully be |
| // generated only if refresh token has login scope of a list of scopes that is |
| // a super-set of the specified scopes. |
| virtual void Start(const std::string& client_id, |
| const std::string& client_secret, |
| const std::vector<std::string>& scopes) = 0; |
| |
| // Cancels the current request and informs the consumer. |
| virtual void CancelRequest() = 0; |
| |
| protected: |
| // Fires |OnGetTokenSuccess| on |consumer_|. |
| void FireOnGetTokenSuccess( |
| const OAuth2AccessTokenConsumer::TokenResponse& token_response); |
| |
| // Fires |OnGetTokenFailure| on |consumer_|. |
| void FireOnGetTokenFailure(const GoogleServiceAuthError& error); |
| |
| private: |
| OAuth2AccessTokenConsumer* const consumer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(OAuth2AccessTokenFetcher); |
| }; |
| |
| #endif // GOOGLE_APIS_GAIA_OAUTH2_ACCESS_TOKEN_FETCHER_H_ |