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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.
#include "chrome/service/gaia/service_gaia_authenticator.h"
#include "base/bind.h"
#include "base/message_loop_proxy.h"
#include "chrome/service/net/service_url_request_context.h"
#include "chrome/service/service_process.h"
#include "content/public/common/url_fetcher.h"
#include "googleurl/src/gurl.h"
ServiceGaiaAuthenticator::ServiceGaiaAuthenticator(
const std::string& user_agent, const std::string& service_id,
const std::string& gaia_url,
base::MessageLoopProxy* io_message_loop_proxy)
: gaia::GaiaAuthenticator(user_agent, service_id, gaia_url),
http_post_completed_(false, false),
io_message_loop_proxy_(io_message_loop_proxy),
http_response_code_(0) {
}
// net::URLFetcherDelegate implementation
void ServiceGaiaAuthenticator::OnURLFetchComplete(
const net::URLFetcher* source) {
DCHECK(io_message_loop_proxy_->BelongsToCurrentThread());
http_response_code_ = source->GetResponseCode();
source->GetResponseAsString(&response_data_);
delete source;
// Add an extra reference because we want http_post_completed_ to remain
// valid until after Signal() returns.
scoped_refptr<ServiceGaiaAuthenticator> keep_alive(this);
// Wake the blocked thread in Post.
http_post_completed_.Signal();
// WARNING: DONT DO ANYTHING AFTER THIS CALL! |this| may be deleted!
}
bool ServiceGaiaAuthenticator::Post(const GURL& url,
const std::string& post_body,
unsigned long* response_code,
std::string* response_body) {
DCHECK(url.SchemeIsSecure());
DCHECK(io_message_loop_proxy_);
io_message_loop_proxy_->PostTask(
FROM_HERE,
base::Bind(&ServiceGaiaAuthenticator::DoPost, this, url, post_body));
// TODO(sanjeevr): Waiting here until the network request completes is not
// desirable. We need to change Post to be asynchronous.
// Block until network request completes. See OnURLFetchComplete.
http_post_completed_.Wait();
*response_code = static_cast<int>(http_response_code_);
*response_body = response_data_;
return true;
}
// TODO(sanjeevr): This is a placeholder implementation. Need to move this logic
// to a common location within the service process so that it can be resued by
// other classes needing a backoff delay calculation.
int ServiceGaiaAuthenticator::GetBackoffDelaySeconds(
int current_backoff_delay) {
const int kMaxBackoffDelaySeconds = 60 * 60; // (1 hour)
int ret = 0;
if (0 == current_backoff_delay) {
ret = 1;
} else {
ret = current_backoff_delay * 2;
}
if (ret > kMaxBackoffDelaySeconds) {
ret = kMaxBackoffDelaySeconds;
}
return ret;
}
ServiceGaiaAuthenticator::~ServiceGaiaAuthenticator() {}
void ServiceGaiaAuthenticator::DoPost(const GURL& post_url,
const std::string& post_body) {
DCHECK(io_message_loop_proxy_->BelongsToCurrentThread());
net::URLFetcher* request = content::URLFetcher::Create(
post_url, net::URLFetcher::POST, this);
request->SetRequestContext(
g_service_process->GetServiceURLRequestContextGetter());
request->SetUploadData("application/x-www-form-urlencoded", post_body);
request->Start();
}
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