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// Copyright 2014 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/service_worker/service_worker_request_handler.h"
#include <string>
#include "content/browser/service_worker/service_worker_context_core.h"
#include "content/browser/service_worker/service_worker_context_wrapper.h"
#include "content/browser/service_worker/service_worker_provider_host.h"
#include "content/browser/service_worker/service_worker_registration.h"
#include "content/browser/service_worker/service_worker_url_request_job.h"
#include "content/browser/service_worker/service_worker_utils.h"
#include "content/common/resource_request_body.h"
#include "content/common/service_worker/service_worker_types.h"
#include "content/public/browser/resource_context.h"
#include "net/base/net_util.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_interceptor.h"
#include "storage/browser/blob/blob_storage_context.h"
namespace content {
namespace {
int kUserDataKey; // Key value is not important.
class ServiceWorkerRequestInterceptor
: public net::URLRequestInterceptor {
public:
explicit ServiceWorkerRequestInterceptor(ResourceContext* resource_context)
: resource_context_(resource_context) {}
~ServiceWorkerRequestInterceptor() override {}
net::URLRequestJob* MaybeInterceptRequest(
net::URLRequest* request,
net::NetworkDelegate* network_delegate) const override {
ServiceWorkerRequestHandler* handler =
ServiceWorkerRequestHandler::GetHandler(request);
if (!handler)
return NULL;
return handler->MaybeCreateJob(
request, network_delegate, resource_context_);
}
private:
ResourceContext* resource_context_;
DISALLOW_COPY_AND_ASSIGN(ServiceWorkerRequestInterceptor);
};
} // namespace
void ServiceWorkerRequestHandler::InitializeHandler(
net::URLRequest* request,
ServiceWorkerContextWrapper* context_wrapper,
storage::BlobStorageContext* blob_storage_context,
int process_id,
int provider_id,
bool skip_service_worker,
FetchRequestMode request_mode,
FetchCredentialsMode credentials_mode,
ResourceType resource_type,
RequestContextType request_context_type,
RequestContextFrameType frame_type,
scoped_refptr<ResourceRequestBody> body) {
if (!request->url().SchemeIsHTTPOrHTTPS())
return;
if (!context_wrapper || !context_wrapper->context() ||
provider_id == kInvalidServiceWorkerProviderId) {
return;
}
ServiceWorkerProviderHost* provider_host =
context_wrapper->context()->GetProviderHost(process_id, provider_id);
if (!provider_host || !provider_host->IsContextAlive())
return;
if (skip_service_worker) {
if (ServiceWorkerUtils::IsMainResourceType(resource_type)) {
provider_host->SetDocumentUrl(net::SimplifyUrlForRequest(request->url()));
provider_host->SetTopmostFrameUrl(request->first_party_for_cookies());
}
return;
}
scoped_ptr<ServiceWorkerRequestHandler> handler(
provider_host->CreateRequestHandler(request_mode,
credentials_mode,
resource_type,
request_context_type,
frame_type,
blob_storage_context->AsWeakPtr(),
body));
if (!handler)
return;
request->SetUserData(&kUserDataKey, handler.release());
}
ServiceWorkerRequestHandler* ServiceWorkerRequestHandler::GetHandler(
net::URLRequest* request) {
return static_cast<ServiceWorkerRequestHandler*>(
request->GetUserData(&kUserDataKey));
}
scoped_ptr<net::URLRequestInterceptor>
ServiceWorkerRequestHandler::CreateInterceptor(
ResourceContext* resource_context) {
return scoped_ptr<net::URLRequestInterceptor>(
new ServiceWorkerRequestInterceptor(resource_context));
}
bool ServiceWorkerRequestHandler::IsControlledByServiceWorker(
net::URLRequest* request) {
ServiceWorkerRequestHandler* handler = GetHandler(request);
if (!handler || !handler->provider_host_)
return false;
return handler->provider_host_->associated_registration() ||
handler->provider_host_->running_hosted_version();
}
void ServiceWorkerRequestHandler::PrepareForCrossSiteTransfer(
int old_process_id) {
if (!provider_host_ || !context_)
return;
old_process_id_ = old_process_id;
old_provider_id_ = provider_host_->provider_id();
host_for_cross_site_transfer_ =
context_->TransferProviderHostOut(old_process_id,
provider_host_->provider_id());
DCHECK_EQ(provider_host_.get(), host_for_cross_site_transfer_.get());
}
void ServiceWorkerRequestHandler::CompleteCrossSiteTransfer(
int new_process_id, int new_provider_id) {
if (!host_for_cross_site_transfer_.get() || !context_)
return;
DCHECK_EQ(provider_host_.get(), host_for_cross_site_transfer_.get());
context_->TransferProviderHostIn(
new_process_id,
new_provider_id,
host_for_cross_site_transfer_.Pass());
DCHECK_EQ(provider_host_->provider_id(), new_provider_id);
}
void ServiceWorkerRequestHandler::MaybeCompleteCrossSiteTransferInOldProcess(
int old_process_id) {
if (!host_for_cross_site_transfer_.get() || !context_ ||
old_process_id_ != old_process_id) {
return;
}
CompleteCrossSiteTransfer(old_process_id_, old_provider_id_);
}
ServiceWorkerRequestHandler::~ServiceWorkerRequestHandler() {
}
ServiceWorkerRequestHandler::ServiceWorkerRequestHandler(
base::WeakPtr<ServiceWorkerContextCore> context,
base::WeakPtr<ServiceWorkerProviderHost> provider_host,
base::WeakPtr<storage::BlobStorageContext> blob_storage_context,
ResourceType resource_type)
: context_(context),
provider_host_(provider_host),
blob_storage_context_(blob_storage_context),
resource_type_(resource_type),
old_process_id_(0),
old_provider_id_(kInvalidServiceWorkerProviderId) {
}
} // namespace content
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