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// Copyright (c) 2011 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 "net/url_request/url_request_job_factory_impl.h"
#include "base/stl_util.h"
#include "net/base/load_flags.h"
#include "net/url_request/url_request_interceptor.h"
#include "net/url_request/url_request_job_manager.h"
#include "url/gurl.h"
namespace net {
namespace {
URLRequestInterceptor* g_interceptor_for_testing = NULL;
} // namespace
URLRequestJobFactoryImpl::URLRequestJobFactoryImpl() {}
URLRequestJobFactoryImpl::~URLRequestJobFactoryImpl() {
STLDeleteValues(&protocol_handler_map_);
}
bool URLRequestJobFactoryImpl::SetProtocolHandler(
const std::string& scheme,
ProtocolHandler* protocol_handler) {
DCHECK(CalledOnValidThread());
if (!protocol_handler) {
ProtocolHandlerMap::iterator it = protocol_handler_map_.find(scheme);
if (it == protocol_handler_map_.end())
return false;
delete it->second;
protocol_handler_map_.erase(it);
return true;
}
if (ContainsKey(protocol_handler_map_, scheme))
return false;
protocol_handler_map_[scheme] = protocol_handler;
return true;
}
URLRequestJob* URLRequestJobFactoryImpl::MaybeCreateJobWithProtocolHandler(
const std::string& scheme,
URLRequest* request,
NetworkDelegate* network_delegate) const {
DCHECK(CalledOnValidThread());
if (g_interceptor_for_testing) {
URLRequestJob* job = g_interceptor_for_testing->MaybeInterceptRequest(
request, network_delegate);
if (job)
return job;
}
ProtocolHandlerMap::const_iterator it = protocol_handler_map_.find(scheme);
if (it == protocol_handler_map_.end())
return NULL;
return it->second->MaybeCreateJob(request, network_delegate);
}
URLRequestJob* URLRequestJobFactoryImpl::MaybeInterceptRedirect(
URLRequest* request,
NetworkDelegate* network_delegate,
const GURL& location) const {
return nullptr;
}
URLRequestJob* URLRequestJobFactoryImpl::MaybeInterceptResponse(
URLRequest* request,
NetworkDelegate* network_delegate) const {
return nullptr;
}
bool URLRequestJobFactoryImpl::IsHandledProtocol(
const std::string& scheme) const {
DCHECK(CalledOnValidThread());
return ContainsKey(protocol_handler_map_, scheme) ||
URLRequestJobManager::GetInstance()->SupportsScheme(scheme);
}
bool URLRequestJobFactoryImpl::IsHandledURL(const GURL& url) const {
if (!url.is_valid()) {
// We handle error cases.
return true;
}
return IsHandledProtocol(url.scheme());
}
bool URLRequestJobFactoryImpl::IsSafeRedirectTarget(
const GURL& location) const {
DCHECK(CalledOnValidThread());
if (!location.is_valid()) {
// Error cases are safely handled.
return true;
}
ProtocolHandlerMap::const_iterator it = protocol_handler_map_.find(
location.scheme());
if (it == protocol_handler_map_.end()) {
// Unhandled cases are safely handled.
return true;
}
return it->second->IsSafeRedirectTarget(location);
}
// static
void URLRequestJobFactoryImpl::SetInterceptorForTesting(
URLRequestInterceptor* interceptor) {
DCHECK(!interceptor || !g_interceptor_for_testing);
g_interceptor_for_testing = interceptor;
}
} // namespace net
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