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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/renderer/fetchers/resource_fetcher_impl.h"
#include "base/logging.h"
#include "base/strings/string_util.h"
#include "base/time/time.h"
#include "third_party/WebKit/public/platform/Platform.h"
#include "third_party/WebKit/public/platform/WebHTTPBody.h"
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/platform/WebURL.h"
#include "third_party/WebKit/public/platform/WebURLLoader.h"
#include "third_party/WebKit/public/platform/WebURLRequest.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
namespace content {
// static
ResourceFetcher* ResourceFetcher::Create(const GURL& url) {
return new ResourceFetcherImpl(url);
}
ResourceFetcherImpl::ResourceFetcherImpl(const GURL& url)
: request_(url) {
}
ResourceFetcherImpl::~ResourceFetcherImpl() {
if (!completed() && loader_)
loader_->cancel();
}
void ResourceFetcherImpl::SetMethod(const std::string& method) {
DCHECK(!request_.isNull());
DCHECK(!loader_);
request_.setHTTPMethod(blink::WebString::fromUTF8(method));
}
void ResourceFetcherImpl::SetBody(const std::string& body) {
DCHECK(!request_.isNull());
DCHECK(!loader_);
blink::WebHTTPBody web_http_body;
web_http_body.initialize();
web_http_body.appendData(blink::WebData(body));
request_.setHTTPBody(web_http_body);
}
void ResourceFetcherImpl::SetHeader(const std::string& header,
const std::string& value) {
DCHECK(!request_.isNull());
DCHECK(!loader_);
if (base::LowerCaseEqualsASCII(header, "referer")) {
blink::WebString referrer =
blink::WebSecurityPolicy::generateReferrerHeader(
blink::WebReferrerPolicyDefault,
request_.url(),
blink::WebString::fromUTF8(value));
request_.setHTTPReferrer(referrer, blink::WebReferrerPolicyDefault);
} else {
request_.setHTTPHeaderField(blink::WebString::fromUTF8(header),
blink::WebString::fromUTF8(value));
}
}
void ResourceFetcherImpl::SetSkipServiceWorker(bool skip_service_worker) {
DCHECK(!request_.isNull());
DCHECK(!loader_);
request_.setSkipServiceWorker(skip_service_worker);
}
void ResourceFetcherImpl::SetCachePolicy(blink::WebCachePolicy policy) {
DCHECK(!request_.isNull());
DCHECK(!loader_);
request_.setCachePolicy(policy);
}
void ResourceFetcherImpl::SetLoaderOptions(
const blink::WebURLLoaderOptions& options) {
DCHECK(!request_.isNull());
DCHECK(!loader_);
options_ = options;
}
void ResourceFetcherImpl::Start(
blink::WebFrame* frame,
blink::WebURLRequest::RequestContext request_context,
blink::WebURLRequest::FrameType frame_type,
LoaderType loader_type,
const Callback& callback) {
DCHECK(!loader_);
DCHECK(!request_.isNull());
DCHECK(callback_.is_null());
DCHECK(!completed());
if (!request_.httpBody().isNull())
DCHECK_NE("GET", request_.httpMethod().utf8()) << "GETs can't have bodies.";
callback_ = callback;
request_.setRequestContext(request_context);
request_.setFrameType(frame_type);
request_.setFirstPartyForCookies(frame->document().firstPartyForCookies());
frame->dispatchWillSendRequest(request_);
switch (loader_type) {
case PLATFORM_LOADER:
loader_.reset(blink::Platform::current()->createURLLoader());
break;
case FRAME_ASSOCIATED_LOADER:
loader_.reset(frame->createAssociatedURLLoader(options_));
break;
}
loader_->loadAsynchronously(request_, this);
// No need to hold on to the request.
request_.reset();
}
void ResourceFetcherImpl::SetTimeout(const base::TimeDelta& timeout) {
DCHECK(loader_);
DCHECK(!completed());
timeout_timer_.Start(FROM_HERE, timeout, this, &ResourceFetcherImpl::Cancel);
}
void ResourceFetcherImpl::OnLoadComplete() {
timeout_timer_.Stop();
if (callback_.is_null())
return;
// Take a reference to the callback as running the callback may lead to our
// destruction.
Callback callback = callback_;
callback.Run(status() == LOAD_FAILED ? blink::WebURLResponse() : response(),
status() == LOAD_FAILED ? std::string() : data());
}
void ResourceFetcherImpl::Cancel() {
loader_->cancel();
WebURLLoaderClientImpl::Cancel();
}
} // namespace content
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