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_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 "webkit/browser/database/database_tracker.h"
  26 #include "webkit/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 }  // namespace
  88
  89 // static
  90 void BrowserContext::AsyncObliterateStoragePartition(
  91     BrowserContext* browser_context,
  92     const GURL& site,
  93     const base::Closure& on_gc_required) {
  94   GetStoragePartitionMap(browser_context)->AsyncObliterate(site,
  95                                                            on_gc_required);
  96 }
  97
  98 // static
  99 void BrowserContext::GarbageCollectStoragePartitions(
 100       BrowserContext* browser_context,
 101       scoped_ptr<base::hash_set<base::FilePath> > active_paths,
 102       const base::Closure& done) {
 103   GetStoragePartitionMap(browser_context)->GarbageCollect(
 104       active_paths.Pass(), done);
 105 }
 106
 107 DownloadManager* BrowserContext::GetDownloadManager(
 108     BrowserContext* context) {
 109   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 110   if (!context->GetUserData(kDownloadManagerKeyName)) {
 111     ResourceDispatcherHostImpl* rdh = ResourceDispatcherHostImpl::Get();
 112     DCHECK(rdh);
 113     DownloadManager* download_manager =
 114         new DownloadManagerImpl(
 115             GetContentClient()->browser()->GetNetLog(), context);
 116
 117     context->SetUserData(
 118         kDownloadManagerKeyName,
 119         download_manager);
 120     download_manager->SetDelegate(context->GetDownloadManagerDelegate());
 121   }
 122
 123   return static_cast<DownloadManager*>(
 124       context->GetUserData(kDownloadManagerKeyName));
 125 }
 126
 127 // static
 128 storage::ExternalMountPoints* BrowserContext::GetMountPoints(
 129     BrowserContext* context) {
 130   // Ensure that these methods are called on the UI thread, except for
 131   // unittests where a UI thread might not have been created.
 132   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) ||
 133          !BrowserThread::IsMessageLoopValid(BrowserThread::UI));
 134
 135 #if defined(OS_CHROMEOS)
 136   if (!context->GetUserData(kMountPointsKey)) {
 137     scoped_refptr<storage::ExternalMountPoints> mount_points =
 138         storage::ExternalMountPoints::CreateRefCounted();
 139     context->SetUserData(
 140         kMountPointsKey,
 141         new UserDataAdapter<storage::ExternalMountPoints>(mount_points.get()));
 142   }
 143
 144   return UserDataAdapter<storage::ExternalMountPoints>::Get(context,
 145                                                             kMountPointsKey);
 146 #else
 147   return NULL;
 148 #endif
 149 }
 150
 151 StoragePartition* BrowserContext::GetStoragePartition(
 152     BrowserContext* browser_context,
 153     SiteInstance* site_instance) {
 154   std::string partition_domain;
 155   std::string partition_name;
 156   bool in_memory = false;
 157
 158   // TODO(ajwong): After GetDefaultStoragePartition() is removed, get rid of
 159   // this conditional and require that |site_instance| is non-NULL.
 160   if (site_instance) {
 161     GetContentClient()->browser()->GetStoragePartitionConfigForSite(
 162         browser_context, site_instance->GetSiteURL(), true,
 163         &partition_domain, &partition_name, &in_memory);
 164   }
 165
 166   return GetStoragePartitionFromConfig(
 167       browser_context, partition_domain, partition_name, in_memory);
 168 }
 169
 170 StoragePartition* BrowserContext::GetStoragePartitionForSite(
 171     BrowserContext* browser_context,
 172     const GURL& site) {
 173   std::string partition_domain;
 174   std::string partition_name;
 175   bool in_memory;
 176
 177   GetContentClient()->browser()->GetStoragePartitionConfigForSite(
 178       browser_context, site, true, &partition_domain, &partition_name,
 179       &in_memory);
 180
 181   return GetStoragePartitionFromConfig(
 182       browser_context, partition_domain, partition_name, in_memory);
 183 }
 184
 185 void BrowserContext::ForEachStoragePartition(
 186     BrowserContext* browser_context,
 187     const StoragePartitionCallback& callback) {
 188   StoragePartitionImplMap* partition_map =
 189       static_cast<StoragePartitionImplMap*>(
 190           browser_context->GetUserData(kStorageParitionMapKeyName));
 191   if (!partition_map)
 192     return;
 193
 194   partition_map->ForEach(callback);
 195 }
 196
 197 StoragePartition* BrowserContext::GetDefaultStoragePartition(
 198     BrowserContext* browser_context) {
 199   return GetStoragePartition(browser_context, NULL);
 200 }
 201
 202 void BrowserContext::CreateMemoryBackedBlob(BrowserContext* browser_context,
 203                                             const char* data, size_t length,
 204                                             const BlobCallback& callback) {
 205   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 206
 207   ChromeBlobStorageContext* blob_context =
 208       ChromeBlobStorageContext::GetFor(browser_context);
 209   BrowserThread::PostTaskAndReplyWithResult(
 210       BrowserThread::IO, FROM_HERE,
 211       base::Bind(&ChromeBlobStorageContext::CreateMemoryBackedBlob,
 212                  make_scoped_refptr(blob_context), data, length),
 213       callback);
 214 }
 215
 216 // static
 217 void BrowserContext::DeliverPushMessage(
 218     BrowserContext* browser_context,
 219     const GURL& origin,
 220     int64 service_worker_registration_id,
 221     const std::string& data,
 222     const base::Callback<void(PushMessagingStatus)>& callback) {
 223   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 224   PushMessagingRouter::DeliverMessage(
 225       browser_context, origin, service_worker_registration_id, data, callback);
 226 }
 227
 228 void BrowserContext::EnsureResourceContextInitialized(BrowserContext* context) {
 229   // This will be enough to tickle initialization of BrowserContext if
 230   // necessary, which initializes ResourceContext. The reason we don't call
 231   // ResourceContext::InitializeResourceContext() directly here is that
 232   // ResourceContext initialization may call back into BrowserContext
 233   // and when that call returns it'll end rewriting its UserData map. It will
 234   // end up rewriting the same value but this still causes a race condition.
 235   //
 236   // See http://crbug.com/115678.
 237   GetDefaultStoragePartition(context);
 238 }
 239
 240 void BrowserContext::SaveSessionState(BrowserContext* browser_context) {
 241   GetDefaultStoragePartition(browser_context)->GetDatabaseTracker()->
 242       SetForceKeepSessionState();
 243   StoragePartition* storage_partition =
 244       BrowserContext::GetDefaultStoragePartition(browser_context);
 245
 246   if (BrowserThread::IsMessageLoopValid(BrowserThread::IO)) {
 247     BrowserThread::PostTask(
 248         BrowserThread::IO, FROM_HERE,
 249         base::Bind(
 250             &SaveSessionStateOnIOThread,
 251             make_scoped_refptr(browser_context->GetRequestContext()),
 252             static_cast<AppCacheServiceImpl*>(
 253                 storage_partition->GetAppCacheService())));
 254   }
 255
 256   DOMStorageContextWrapper* dom_storage_context_proxy =
 257       static_cast<DOMStorageContextWrapper*>(
 258           storage_partition->GetDOMStorageContext());
 259   dom_storage_context_proxy->SetForceKeepSessionState();
 260
 261   IndexedDBContextImpl* indexed_db_context_impl =
 262       static_cast<IndexedDBContextImpl*>(
 263         storage_partition->GetIndexedDBContext());
 264   // No task runner in unit tests.
 265   if (indexed_db_context_impl->TaskRunner()) {
 266     indexed_db_context_impl->TaskRunner()->PostTask(
 267         FROM_HERE,
 268         base::Bind(&SaveSessionStateOnIndexedDBThread,
 269                    make_scoped_refptr(indexed_db_context_impl)));
 270   }
 271 }
 272
 273 #endif  // !OS_IOS
 274
 275 BrowserContext::~BrowserContext() {
 276 #if !defined(OS_IOS)
 277   if (GetUserData(kDownloadManagerKeyName))
 278     GetDownloadManager(this)->Shutdown();
 279 #endif
 280 }
 281
 282 }  // namespace content