electron/atom/browser/net/atom_url_request_job_factor...

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// Copyright (c) 2013 GitHub, Inc.
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/browser/net/atom_url_request_job_factory.h"
#include <utility>
#include "base/memory/ptr_util.h"
#include "base/stl_util.h"
#include "content/public/browser/browser_thread.h"
#include "net/base/load_flags.h"
#include "net/url_request/url_request.h"
using content::BrowserThread;
namespace atom {
namespace {
int disable_protocol_intercept_flag_key = 0;
} // namespace
typedef net::URLRequestJobFactory::ProtocolHandler ProtocolHandler;
const void* DisableProtocolInterceptFlagKey() {
return &disable_protocol_intercept_flag_key;
}
AtomURLRequestJobFactory::AtomURLRequestJobFactory() {}
AtomURLRequestJobFactory::~AtomURLRequestJobFactory() {
Clear();
}
void AtomURLRequestJobFactory::Chain(
std::unique_ptr<net::URLRequestJobFactory> job_factory) {
job_factory_ = std::move(job_factory);
}
bool AtomURLRequestJobFactory::SetProtocolHandler(
const std::string& scheme,
std::unique_ptr<ProtocolHandler> protocol_handler) {
if (!protocol_handler) {
auto 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 (base::ContainsKey(protocol_handler_map_, scheme))
return false;
protocol_handler_map_[scheme] = protocol_handler.release();
return true;
}
bool AtomURLRequestJobFactory::InterceptProtocol(
const std::string& scheme,
std::unique_ptr<ProtocolHandler> protocol_handler) {
if (!base::ContainsKey(protocol_handler_map_, scheme) ||
base::ContainsKey(original_protocols_, scheme))
return false;
ProtocolHandler* original_protocol_handler = protocol_handler_map_[scheme];
protocol_handler_map_[scheme] = protocol_handler.release();
original_protocols_[scheme].reset(original_protocol_handler);
return true;
}
bool AtomURLRequestJobFactory::UninterceptProtocol(const std::string& scheme) {
auto it = original_protocols_.find(scheme);
if (it == original_protocols_.end())
return false;
protocol_handler_map_[scheme] = it->second.release();
original_protocols_.erase(it);
return true;
}
bool AtomURLRequestJobFactory::HasProtocolHandler(
const std::string& scheme) const {
return base::ContainsKey(protocol_handler_map_, scheme);
}
void AtomURLRequestJobFactory::Clear() {
for (auto& it : protocol_handler_map_)
delete it.second;
protocol_handler_map_.clear();
original_protocols_.clear();
}
net::URLRequestJob* AtomURLRequestJobFactory::MaybeCreateJobWithProtocolHandler(
const std::string& scheme,
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
auto* job = job_factory_->MaybeCreateJobWithProtocolHandler(scheme, request,
network_delegate);
if (job)
return job;
auto it = protocol_handler_map_.find(scheme);
if (it == protocol_handler_map_.end())
return nullptr;
if (request->GetUserData(DisableProtocolInterceptFlagKey()))
return nullptr;
return it->second->MaybeCreateJob(request, network_delegate);
}
net::URLRequestJob* AtomURLRequestJobFactory::MaybeInterceptRedirect(
net::URLRequest* request,
net::NetworkDelegate* network_delegate,
const GURL& location) const {
return job_factory_->MaybeInterceptRedirect(request, network_delegate,
location);
}
net::URLRequestJob* AtomURLRequestJobFactory::MaybeInterceptResponse(
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const {
return job_factory_->MaybeInterceptResponse(request, network_delegate);
}
bool AtomURLRequestJobFactory::IsHandledProtocol(
const std::string& scheme) const {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
return HasProtocolHandler(scheme) ||
net::URLRequest::IsHandledProtocol(scheme);
}
bool AtomURLRequestJobFactory::IsSafeRedirectTarget(
const GURL& location) const {
if (!location.is_valid()) {
// We handle error cases.
return true;
}
return IsHandledProtocol(location.scheme());
}
} // namespace atom