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// Copyright 2014 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 COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_ACCESS_TOKEN_FETCHER_IMPL_H
#define COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_ACCESS_TOKEN_FETCHER_IMPL_H
#include "base/callback.h"
#include "components/proximity_auth/cryptauth/cryptauth_access_token_fetcher.h"
#include "google_apis/gaia/oauth2_token_service.h"
namespace proximity_auth {
// Implementation of CryptAuthAccessTokenFetcher fetching an access token for a
// given account using the provided OAuth2TokenService.
class CryptAuthAccessTokenFetcherImpl : public CryptAuthAccessTokenFetcher,
public OAuth2TokenService::Consumer {
public:
// |token_service| is not owned, and must outlive this object.
CryptAuthAccessTokenFetcherImpl(OAuth2TokenService* token_service,
const std::string& account_id);
~CryptAuthAccessTokenFetcherImpl() override;
// CryptAuthAccessTokenFetcher:
void FetchAccessToken(const AccessTokenCallback& callback) override;
private:
// OAuth2TokenService::Consumer:
void OnGetTokenSuccess(const OAuth2TokenService::Request* request,
const std::string& access_token,
const base::Time& expiration_time) override;
void OnGetTokenFailure(const OAuth2TokenService::Request* request,
const GoogleServiceAuthError& error) override;
// System service that caches and fetches tokens for a given account.
// Not owned.
OAuth2TokenService* token_service_;
// The account id for whom to mint the token.
std::string account_id_;
// True if FetchAccessToken() has been called.
bool fetch_started_;
// Stores the request from |token_service_| to mint the token.
scoped_ptr<OAuth2TokenService::Request> token_request_;
// Callback to invoke when the token fetch succeeds or fails.
AccessTokenCallback callback_;
DISALLOW_COPY_AND_ASSIGN(CryptAuthAccessTokenFetcherImpl);
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_CRYPTAUTH_ACCESS_TOKEN_FETCHER_IMPL_H
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