service_worker_context_request_handler.cc revision 03b57e008b61dfcb1fbad3aea950ae0e001748b0
15c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Copyright 2014 The Chromium Authors. All rights reserved. 25c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// Use of this source code is governed by a BSD-style license that can be 35c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu// found in the LICENSE file. 45c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 55c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu#include "content/browser/service_worker/service_worker_context_request_handler.h" 65c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 7cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "content/browser/service_worker/service_worker_context_core.h" 8010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "content/browser/service_worker/service_worker_provider_host.h" 9010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "content/browser/service_worker/service_worker_read_from_cache_job.h" 10cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "content/browser/service_worker/service_worker_storage.h" 11010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "content/browser/service_worker/service_worker_version.h" 12cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)#include "content/browser/service_worker/service_worker_write_to_cache_job.h" 136e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles)#include "net/base/load_flags.h" 14010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)#include "net/url_request/url_request.h" 15010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 165c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liunamespace content { 175c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 185c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuServiceWorkerContextRequestHandler::ServiceWorkerContextRequestHandler( 195c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu base::WeakPtr<ServiceWorkerContextCore> context, 205c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu base::WeakPtr<ServiceWorkerProviderHost> provider_host, 2103b57e008b61dfcb1fbad3aea950ae0e001748b0Torne (Richard Coles) base::WeakPtr<storage::BlobStorageContext> blob_storage_context, 225f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) ResourceType resource_type) 23cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) : ServiceWorkerRequestHandler(context, 24cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) provider_host, 25cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) blob_storage_context, 26cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) resource_type), 27010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) version_(provider_host_->running_hosted_version()) { 28010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) DCHECK(provider_host_->IsHostToRunningServiceWorker()); 295c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 305c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 315c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo LiuServiceWorkerContextRequestHandler::~ServiceWorkerContextRequestHandler() { 325c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 335c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 345c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liunet::URLRequestJob* ServiceWorkerContextRequestHandler::MaybeCreateJob( 355c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu net::URLRequest* request, 365c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu net::NetworkDelegate* network_delegate) { 37cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (!provider_host_ || !version_ || !context_) 38cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return NULL; 39cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 40cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // We currently have no use case for hijacking a redirected request. 41cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (request->url_chain().size() > 1) 42010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return NULL; 43010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 44010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // We only use the script cache for main script loading and 45010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // importScripts(), even if a cached script is xhr'd, we don't 46010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // retrieve it from the script cache. 47010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // TODO(michaeln): Get the desired behavior clarified in the spec, 48010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // and make tweak the behavior here to match. 495f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) if (resource_type_ != RESOURCE_TYPE_SERVICE_WORKER && 505f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) resource_type_ != RESOURCE_TYPE_SCRIPT) { 51010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return NULL; 52010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) } 53010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 54010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (ShouldAddToScriptCache(request->url())) { 556e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) ServiceWorkerRegistration* registration = 566e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) context_->GetLiveRegistration(version_->registration_id()); 576e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) DCHECK(registration); // We're registering or updating so must be there. 586e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) 59cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) int64 response_id = context_->storage()->NewResourceId(); 60cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) if (response_id == kInvalidServiceWorkerResponseId) 61cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return NULL; 626e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) 636e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) // Bypass the browser cache for initial installs and update 646e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) // checks after 24 hours have passed. 656e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) int extra_load_flags = 0; 666e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) base::TimeDelta time_since_last_check = 676e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) base::Time::Now() - registration->last_update_check(); 686e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) if (time_since_last_check > base::TimeDelta::FromHours(24)) 696e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) extra_load_flags = net::LOAD_BYPASS_CACHE; 706e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) 71116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch return new ServiceWorkerWriteToCacheJob(request, 72116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch network_delegate, 73116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch resource_type_, 74116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch context_, 75116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch version_, 766e8cce623b6e4fe0c9e4af605d675dd9d0338c38Torne (Richard Coles) extra_load_flags, 77116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch response_id); 78010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) } 79010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 80010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) int64 response_id = kInvalidServiceWorkerResponseId; 81010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (ShouldReadFromScriptCache(request->url(), &response_id)) { 82010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return new ServiceWorkerReadFromCacheJob( 83010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) request, network_delegate, context_, response_id); 84010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) } 85010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 86010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // NULL means use the network. 875c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu return NULL; 885c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} 895c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu 905f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)void ServiceWorkerContextRequestHandler::GetExtraResponseInfo( 915f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) bool* was_fetched_via_service_worker, 925f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) GURL* original_url_via_service_worker) const { 935f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) *was_fetched_via_service_worker = false; 945f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) *original_url_via_service_worker = GURL(); 955f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles)} 965f1c94371a64b3196d4be9466099bb892df9b88eTorne (Richard Coles) 97010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)bool ServiceWorkerContextRequestHandler::ShouldAddToScriptCache( 98010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) const GURL& url) { 99cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) // We only write imports that occur during the initial eval. 100116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch if (version_->status() != ServiceWorkerVersion::NEW && 101116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch version_->status() != ServiceWorkerVersion::INSTALLING) { 102010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return false; 103116680a4aac90f2aa7413d9095a592090648e557Ben Murdoch } 104cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) return version_->script_cache_map()->Lookup(url) == 105cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) kInvalidServiceWorkerResponseId; 106010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 107010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 108010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)bool ServiceWorkerContextRequestHandler::ShouldReadFromScriptCache( 109010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) const GURL& url, int64* response_id_out) { 110010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) // We don't read from the script cache until the version is INSTALLED. 111010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) if (version_->status() == ServiceWorkerVersion::NEW || 112010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) version_->status() == ServiceWorkerVersion::INSTALLING) 113010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return false; 114cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) *response_id_out = version_->script_cache_map()->Lookup(url); 115010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) return *response_id_out != kInvalidServiceWorkerResponseId; 116010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles)} 117010d83a9304c5a91596085d917d248abff47903aTorne (Richard Coles) 1185c02ac1a9c1b504631c0a3d2b6e737b5d738bae1Bo Liu} // namespace content 119