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// 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_GAIA_OAUTH_CLIENT_H_
#define GOOGLE_APIS_GAIA_GAIA_OAUTH_CLIENT_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/message_loop_proxy.h"
namespace net {
class URLRequestContextGetter;
}
// A helper class to get and refresh OAuth tokens given an authorization code.
namespace gaia {
static const char kGaiaOAuth2Url[] =
"https://accounts.google.com/o/oauth2/token";
struct OAuthClientInfo {
std::string client_id;
std::string client_secret;
std::string redirect_uri;
};
class GaiaOAuthClient {
public:
class Delegate {
public:
// Invoked on a successful response to the GetTokensFromAuthCode request.
virtual void OnGetTokensResponse(const std::string& refresh_token,
const std::string& access_token,
int expires_in_seconds) = 0;
// Invoked on a successful response to the RefreshToken request.
virtual void OnRefreshTokenResponse(const std::string& access_token,
int expires_in_seconds) = 0;
// Invoked when there is an OAuth error with one of the requests.
virtual void OnOAuthError() = 0;
// Invoked when there is a network error or upon receiving an invalid
// response. This is invoked when the maximum number of retries have been
// exhausted. If max_retries is -1, this is never invoked.
virtual void OnNetworkError(int response_code) = 0;
protected:
virtual ~Delegate() {}
};
GaiaOAuthClient(const std::string& gaia_url,
net::URLRequestContextGetter* context_getter);
~GaiaOAuthClient();
// In the below methods, |max_retries| specifies the maximum number of times
// we should retry on a network error in invalid response. This does not
// apply in the case of an OAuth error (i.e. there was something wrong with
// the input arguments). Setting |max_retries| to -1 implies infinite retries.
void GetTokensFromAuthCode(const OAuthClientInfo& oauth_client_info,
const std::string& auth_code,
int max_retries,
Delegate* delegate);
void RefreshToken(const OAuthClientInfo& oauth_client_info,
const std::string& refresh_token,
int max_retries,
Delegate* delegate);
private:
// The guts of the implementation live in this class.
class Core;
scoped_refptr<Core> core_;
DISALLOW_COPY_AND_ASSIGN(GaiaOAuthClient);
};
}
#endif // GOOGLE_APIS_GAIA_GAIA_OAUTH_CLIENT_H_
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