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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 "content/browser/loader/sync_resource_handler.h"
#include "base/logging.h"
#include "content/browser/devtools/devtools_netlog_observer.h"
#include "content/browser/loader/resource_dispatcher_host_impl.h"
#include "content/browser/loader/resource_message_filter.h"
#include "content/browser/loader/resource_request_info_impl.h"
#include "content/common/resource_messages.h"
#include "content/public/browser/global_request_id.h"
#include "content/public/browser/resource_dispatcher_host_delegate.h"
#include "content/public/browser/resource_request_info.h"
#include "net/base/io_buffer.h"
#include "net/http/http_response_headers.h"
namespace content {
SyncResourceHandler::SyncResourceHandler(
net::URLRequest* request,
IPC::Message* result_message,
ResourceDispatcherHostImpl* resource_dispatcher_host)
: ResourceHandler(request),
read_buffer_(new net::IOBuffer(kReadBufSize)),
result_message_(result_message),
rdh_(resource_dispatcher_host),
total_transfer_size_(0) {
result_.final_url = request->url();
}
SyncResourceHandler::~SyncResourceHandler() {
if (result_message_) {
result_message_->set_reply_error();
ResourceMessageFilter* filter = GetFilter();
// If the filter doesn't exist at this point, the process has died and isn't
// waiting for the result message anymore.
if (filter)
filter->Send(result_message_);
}
}
bool SyncResourceHandler::OnUploadProgress(int request_id,
uint64 position,
uint64 size) {
return true;
}
bool SyncResourceHandler::OnRequestRedirected(
int request_id,
const GURL& new_url,
ResourceResponse* response,
bool* defer) {
if (rdh_->delegate()) {
rdh_->delegate()->OnRequestRedirected(
new_url, request(), GetRequestInfo()->GetContext(), response);
}
DevToolsNetLogObserver::PopulateResponseInfo(request(), response);
// TODO(darin): It would be much better if this could live in WebCore, but
// doing so requires API changes at all levels. Similar code exists in
// WebCore/platform/network/cf/ResourceHandleCFNet.cpp :-(
if (new_url.GetOrigin() != result_.final_url.GetOrigin()) {
LOG(ERROR) << "Cross origin redirect denied";
return false;
}
result_.final_url = new_url;
total_transfer_size_ += request()->GetTotalReceivedBytes();
return true;
}
bool SyncResourceHandler::OnResponseStarted(
int request_id,
ResourceResponse* response,
bool* defer) {
const ResourceRequestInfoImpl* info = GetRequestInfo();
if (!info->filter())
return false;
if (rdh_->delegate()) {
rdh_->delegate()->OnResponseStarted(
request(), info->GetContext(), response, info->filter());
}
DevToolsNetLogObserver::PopulateResponseInfo(request(), response);
// If the parent handler downloaded the resource to a file, grant the child
// read permissions on it. Note: there is similar logic in
// AsyncResourceHandler.
//
// TODO(davidben): Can we remove support for download_file in sync requests
// altogether? I don't think Blink ever makes such requests.
if (!response->head.download_file_path.empty()) {
rdh_->RegisterDownloadedTempFile(
info->GetChildID(), info->GetRequestID(),
response->head.download_file_path);
}
// We don't care about copying the status here.
result_.headers = response->head.headers;
result_.mime_type = response->head.mime_type;
result_.charset = response->head.charset;
result_.download_file_path = response->head.download_file_path;
result_.request_time = response->head.request_time;
result_.response_time = response->head.response_time;
result_.load_timing = response->head.load_timing;
result_.devtools_info = response->head.devtools_info;
return true;
}
bool SyncResourceHandler::OnWillStart(int request_id,
const GURL& url,
bool* defer) {
return true;
}
bool SyncResourceHandler::OnBeforeNetworkStart(int request_id,
const GURL& url,
bool* defer) {
return true;
}
bool SyncResourceHandler::OnWillRead(int request_id,
scoped_refptr<net::IOBuffer>* buf,
int* buf_size,
int min_size) {
DCHECK(min_size == -1);
*buf = read_buffer_.get();
*buf_size = kReadBufSize;
return true;
}
bool SyncResourceHandler::OnReadCompleted(int request_id, int bytes_read,
bool* defer) {
if (!bytes_read)
return true;
result_.data.append(read_buffer_->data(), bytes_read);
return true;
}
void SyncResourceHandler::OnResponseCompleted(
int request_id,
const net::URLRequestStatus& status,
const std::string& security_info,
bool* defer) {
ResourceMessageFilter* filter = GetFilter();
if (!filter)
return;
result_.error_code = status.error();
int total_transfer_size = request()->GetTotalReceivedBytes();
result_.encoded_data_length = total_transfer_size_ + total_transfer_size;
ResourceHostMsg_SyncLoad::WriteReplyParams(result_message_, result_);
filter->Send(result_message_);
result_message_ = NULL;
return;
}
void SyncResourceHandler::OnDataDownloaded(
int request_id,
int bytes_downloaded) {
// Sync requests don't involve ResourceMsg_DataDownloaded messages
// being sent back to renderers as progress is made.
}
} // namespace content
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