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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/base/gaia_oauth_client.h"
#include <utility>
#include "base/notreached.h"
namespace {
const int kMaxGaiaRetries = 3;
} // namespace
namespace remoting {
GaiaOAuthClient::GaiaOAuthClient(
scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory)
: gaia_oauth_client_(std::move(url_loader_factory)) {}
GaiaOAuthClient::~GaiaOAuthClient() = default;
void GaiaOAuthClient::GetCredentialsFromAuthCode(
const gaia::OAuthClientInfo& oauth_client_info,
const std::string& auth_code,
bool need_user_email,
CompletionCallback on_done) {
if (on_done_) {
pending_requests_.push(Request(oauth_client_info, auth_code,
need_user_email, std::move(on_done)));
return;
}
need_user_email_ = need_user_email;
on_done_ = std::move(on_done);
// Map the authorization code to refresh and access tokens.
gaia_oauth_client_.GetTokensFromAuthCode(oauth_client_info, auth_code,
kMaxGaiaRetries, this);
}
void GaiaOAuthClient::OnGetTokensResponse(const std::string& refresh_token,
const std::string& access_token,
int expires_in_seconds) {
refresh_token_ = refresh_token;
if (need_user_email_) {
// Get the email corresponding to the access token.
gaia_oauth_client_.GetUserEmail(access_token, kMaxGaiaRetries, this);
} else {
SendResponse("", refresh_token_);
}
}
void GaiaOAuthClient::OnRefreshTokenResponse(const std::string& access_token,
int expires_in_seconds) {
// We never request a refresh token, so this call is not expected.
NOTREACHED();
}
void GaiaOAuthClient::SendResponse(const std::string& user_email,
const std::string& refresh_token) {
std::move(on_done_).Run(user_email, refresh_token);
// Process the next request in the queue.
if (pending_requests_.size()) {
Request request = std::move(pending_requests_.front());
pending_requests_.pop();
// GetCredentialsFromAuthCode is asynchronous, so it's safe to call it here.
GetCredentialsFromAuthCode(request.oauth_client_info, request.auth_code,
request.need_user_email,
std::move(request.on_done));
}
}
void GaiaOAuthClient::OnGetUserEmailResponse(const std::string& user_email) {
SendResponse(user_email, refresh_token_);
}
void GaiaOAuthClient::OnOAuthError() {
SendResponse("", "");
}
void GaiaOAuthClient::OnNetworkError(int response_code) {
SendResponse("", "");
}
GaiaOAuthClient::Request::Request(
const gaia::OAuthClientInfo& oauth_client_info,
const std::string& auth_code,
bool need_user_email,
CompletionCallback on_done) {
this->oauth_client_info = oauth_client_info;
this->auth_code = auth_code;
this->need_user_email = need_user_email;
this->on_done = std::move(on_done);
}
GaiaOAuthClient::Request::Request(Request&& other) = default;
GaiaOAuthClient::Request& GaiaOAuthClient::Request::operator=(Request&& other) =
default;
GaiaOAuthClient::Request::~Request() = default;
} // namespace remoting
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