content/browser/browser_context.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/public/browser/browser_context.h"
   6
   7 #if !defined(OS_IOS)
   8 #include "content/browser/download/download_manager_impl.h"
   9 #include "content/browser/fileapi/chrome_blob_storage_context.h"
  10 #include "content/browser/indexed_db/indexed_db_context_impl.h"
  11 #include "content/browser/loader/resource_dispatcher_host_impl.h"
  12 #include "content/browser/push_messaging/push_messaging_router.h"
  13 #include "content/browser/storage_partition_impl_map.h"
  14 #include "content/common/child_process_host_impl.h"
  15 #include "content/public/browser/blob_handle.h"
  16 #include "content/public/browser/browser_thread.h"
  17 #include "content/public/browser/content_browser_client.h"
  18 #include "content/public/browser/site_instance.h"
  19 #include "net/cookies/cookie_monster.h"
  20 #include "net/cookies/cookie_store.h"
  21 #include "net/ssl/channel_id_service.h"
  22 #include "net/ssl/channel_id_store.h"
  23 #include "net/url_request/url_request_context.h"
  24 #include "net/url_request/url_request_context_getter.h"
  25 #include "storage/browser/database/database_tracker.h"
  26 #include "storage/browser/fileapi/external_mount_points.h"
  27 #endif // !OS_IOS
  28
  29 using base::UserDataAdapter;
  30
  31 namespace content {
  32
  33 // Only ~BrowserContext() is needed on iOS.
  34 #if !defined(OS_IOS)
  35 namespace {
  36
  37 // Key names on BrowserContext.
  38 const char kDownloadManagerKeyName[] = "download_manager";
  39 const char kStorageParitionMapKeyName[] = "content_storage_partition_map";
  40
  41 #if defined(OS_CHROMEOS)
  42 const char kMountPointsKey[] = "mount_points";
  43 #endif  // defined(OS_CHROMEOS)
  44
  45 StoragePartitionImplMap* GetStoragePartitionMap(
  46     BrowserContext* browser_context) {
  47   StoragePartitionImplMap* partition_map =
  48       static_cast<StoragePartitionImplMap*>(
  49           browser_context->GetUserData(kStorageParitionMapKeyName));
  50   if (!partition_map) {
  51     partition_map = new StoragePartitionImplMap(browser_context);
  52     browser_context->SetUserData(kStorageParitionMapKeyName, partition_map);
  53   }
  54   return partition_map;
  55 }
  56
  57 StoragePartition* GetStoragePartitionFromConfig(
  58     BrowserContext* browser_context,
  59     const std::string& partition_domain,
  60     const std::string& partition_name,
  61     bool in_memory) {
  62   StoragePartitionImplMap* partition_map =
  63       GetStoragePartitionMap(browser_context);
  64
  65   if (browser_context->IsOffTheRecord())
  66     in_memory = true;
  67
  68   return partition_map->Get(partition_domain, partition_name, in_memory);
  69 }
  70
  71 void SaveSessionStateOnIOThread(
  72     const scoped_refptr<net::URLRequestContextGetter>& context_getter,
  73     AppCacheServiceImpl* appcache_service) {
  74   net::URLRequestContext* context = context_getter->GetURLRequestContext();
  75   context->cookie_store()->GetCookieMonster()->
  76       SetForceKeepSessionState();
  77   context->channel_id_service()->GetChannelIDStore()->
  78       SetForceKeepSessionState();
  79   appcache_service->set_force_keep_session_state();
  80 }
  81
  82 void SaveSessionStateOnIndexedDBThread(
  83     scoped_refptr<IndexedDBContextImpl> indexed_db_context) {
  84   indexed_db_context->SetForceKeepSessionState();
  85 }
  86
  87 void ShutdownServiceWorkerContext(StoragePartition* partition) {
  88   ServiceWorkerContextWrapper* wrapper =
  89       static_cast<ServiceWorkerContextWrapper*>(
  90           partition->GetServiceWorkerContext());
  91   wrapper->process_manager()->Shutdown();
  92 }
  93
  94 }  // namespace
  95
  96 // static
  97 void BrowserContext::AsyncObliterateStoragePartition(
  98     BrowserContext* browser_context,
  99     const GURL& site,
 100     const base::Closure& on_gc_required) {
 101   GetStoragePartitionMap(browser_context)->AsyncObliterate(site,
 102                                                            on_gc_required);
 103 }
 104
 105 // static
 106 void BrowserContext::GarbageCollectStoragePartitions(
 107       BrowserContext* browser_context,
 108       scoped_ptr<base::hash_set<base::FilePath> > active_paths,
 109       const base::Closure& done) {
 110   GetStoragePartitionMap(browser_context)->GarbageCollect(
 111       active_paths.Pass(), done);
 112 }
 113
 114 DownloadManager* BrowserContext::GetDownloadManager(
 115     BrowserContext* context) {
 116   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 117   if (!context->GetUserData(kDownloadManagerKeyName)) {
 118     ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get();
 119     DCHECK(rdh);
 120     DownloadManager* download_manager =
 121         new DownloadManagerImpl(
 122             GetContentClient()->browser()->GetNetLog(), context);
 123
 124     context->SetUserData(
 125         kDownloadManagerKeyName,
 126         download_manager);
 127     download_manager->SetDelegate(context->GetDownloadManagerDelegate());
 128   }
 129
 130   return static_cast<DownloadManager*>(
 131       context->GetUserData(kDownloadManagerKeyName));
 132 }
 133
 134 // static
 135 storage::ExternalMountPoints* BrowserContext::GetMountPoints(
 136     BrowserContext* context) {
 137   // Ensure that these methods are called on the UI thread, except for
 138   // unittests where a UI thread might not have been created.
 139   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) ||
 140          !BrowserThread::IsMessageLoopValid(BrowserThread::UI));
 141
 142 #if defined(OS_CHROMEOS)
 143   if (!context->GetUserData(kMountPointsKey)) {
 144     scoped_refptr<storage::ExternalMountPoints> mount_points =
 145         storage::ExternalMountPoints::CreateRefCounted();
 146     context->SetUserData(
 147         kMountPointsKey,
 148         new UserDataAdapter<storage::ExternalMountPoints>(mount_points.get()));
 149   }
 150
 151   return UserDataAdapter<storage::ExternalMountPoints>::Get(context,
 152                                                             kMountPointsKey);
 153 #else
 154   return NULL;
 155 #endif
 156 }
 157
 158 StoragePartition* BrowserContext::GetStoragePartition(
 159     BrowserContext* browser_context,
 160     SiteInstance* site_instance) {
 161   std::string partition_domain;
 162   std::string partition_name;
 163   bool in_memory = false;
 164
 165   // TODO(ajwong): After GetDefaultStoragePartition() is removed, get rid of
 166   // this conditional and require that |site_instance| is non-NULL.
 167   if (site_instance) {
 168     GetContentClient()->browser()->GetStoragePartitionConfigForSite(
 169         browser_context, site_instance->GetSiteURL(), true,
 170         &partition_domain, &partition_name, &in_memory);
 171   }
 172
 173   return GetStoragePartitionFromConfig(
 174       browser_context, partition_domain, partition_name, in_memory);
 175 }
 176
 177 StoragePartition* BrowserContext::GetStoragePartitionForSite(
 178     BrowserContext* browser_context,
 179     const GURL& site) {
 180   std::string partition_domain;
 181   std::string partition_name;
 182   bool in_memory;
 183
 184   GetContentClient()->browser()->GetStoragePartitionConfigForSite(
 185       browser_context, site, true, &partition_domain, &partition_name,
 186       &in_memory);
 187
 188   return GetStoragePartitionFromConfig(
 189       browser_context, partition_domain, partition_name, in_memory);
 190 }
 191
 192 void BrowserContext::ForEachStoragePartition(
 193     BrowserContext* browser_context,
 194     const StoragePartitionCallback& callback) {
 195   StoragePartitionImplMap* partition_map =
 196       static_cast<StoragePartitionImplMap*>(
 197           browser_context->GetUserData(kStorageParitionMapKeyName));
 198   if (!partition_map)
 199     return;
 200
 201   partition_map->ForEach(callback);
 202 }
 203
 204 StoragePartition* BrowserContext::GetDefaultStoragePartition(
 205     BrowserContext* browser_context) {
 206   return GetStoragePartition(browser_context, NULL);
 207 }
 208
 209 void BrowserContext::CreateMemoryBackedBlob(BrowserContext* browser_context,
 210                                             const char* data, size_t length,
 211                                             const BlobCallback& callback) {
 212   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 213
 214   ChromeBlobStorageContext* blob_context =
 215       ChromeBlobStorageContext::GetFor(browser_context);
 216   BrowserThread::PostTaskAndReplyWithResult(
 217       BrowserThread::IO, FROM_HERE,
 218       base::Bind(&ChromeBlobStorageContext::CreateMemoryBackedBlob,
 219                  make_scoped_refptr(blob_context), data, length),
 220       callback);
 221 }
 222
 223 // static
 224 void BrowserContext::DeliverPushMessage(
 225     BrowserContext* browser_context,
 226     const GURL& origin,
 227     int64 service_worker_registration_id,
 228     const std::string& data,
 229     const base::Callback<void(PushDeliveryStatus)>& callback) {
 230   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 231   PushMessagingRouter::DeliverMessage(
 232       browser_context, origin, service_worker_registration_id, data, callback);
 233 }
 234
 235 // static
 236 void BrowserContext::NotifyWillBeDestroyed(BrowserContext* browser_context) {
 237   // Service Workers must shutdown before the browser context is destroyed,
 238   // since they keep render process hosts alive and the codebase assumes that
 239   // render process hosts die before their profile (browser context) dies.
 240   ForEachStoragePartition(browser_context,
 241                           base::Bind(ShutdownServiceWorkerContext));
 242 }
 243
 244 void BrowserContext::EnsureResourceContextInitialized(BrowserContext* context) {
 245   // This will be enough to tickle initialization of BrowserContext if
 246   // necessary, which initializes ResourceContext. The reason we don't call
 247   // ResourceContext::InitializeResourceContext() directly here is that
 248   // ResourceContext initialization may call back into BrowserContext
 249   // and when that call returns it'll end rewriting its UserData map. It will
 250   // end up rewriting the same value but this still causes a race condition.
 251   //
 252   // See http://crbug.com/115678.
 253   GetDefaultStoragePartition(context);
 254 }
 255
 256 void BrowserContext::SaveSessionState(BrowserContext* browser_context) {
 257   GetDefaultStoragePartition(browser_context)->GetDatabaseTracker()->
 258       SetForceKeepSessionState();
 259   StoragePartition* storage_partition =
 260       BrowserContext::GetDefaultStoragePartition(browser_context);
 261
 262   if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
 263     BrowserThread::PostTask(
 264         BrowserThread::IO, FROM_HERE,
 265         base::Bind(
 266             &SaveSessionStateOnIOThread,
 267             make_scoped_refptr(browser_context->GetRequestContext()),
 268             static_cast<AppCacheServiceImpl*>(
 269                 storage_partition->GetAppCacheService())));
 270   }
 271
 272   DOMStorageContextWrapper* dom_storage_context_proxy =
 273       static_cast<DOMStorageContextWrapper*>(
 274           storage_partition->GetDOMStorageContext());
 275   dom_storage_context_proxy->SetForceKeepSessionState();
 276
 277   IndexedDBContextImpl* indexed_db_context_impl =
 278       static_cast<IndexedDBContextImpl*>(
 279         storage_partition->GetIndexedDBContext());
 280   // No task runner in unit tests.
 281   if (indexed_db_context_impl->TaskRunner()) {
 282     indexed_db_context_impl->TaskRunner()->PostTask(
 283         FROM_HERE,
 284         base::Bind(&SaveSessionStateOnIndexedDBThread,
 285                    make_scoped_refptr(indexed_db_context_impl)));
 286   }
 287 }
 288
 289 #endif  // !OS_IOS
 290
 291 BrowserContext::~BrowserContext() {
 292 #if !defined(OS_IOS)
 293   if (GetUserData(kDownloadManagerKeyName))
 294     GetDownloadManager(this)->Shutdown();
 295 #endif
 296 }
 297
 298 }  // namespace content