android_webview/browser/aw_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 "android_webview/browser/aw_browser_context.h"
   6
   7 #include "android_webview/browser/aw_form_database_service.h"
   8 #include "android_webview/browser/aw_permission_manager.h"
   9 #include "android_webview/browser/aw_pref_store.h"
  10 #include "android_webview/browser/aw_quota_manager_bridge.h"
  11 #include "android_webview/browser/aw_resource_context.h"
  12 #include "android_webview/browser/jni_dependency_factory.h"
  13 #include "android_webview/browser/net/aw_url_request_context_getter.h"
  14 #include "android_webview/browser/net/init_native_callback.h"
  15 #include "android_webview/common/aw_content_client.h"
  16 #include "base/base_paths_android.h"
  17 #include "base/bind.h"
  18 #include "base/path_service.h"
  19 #include "base/prefs/pref_registry_simple.h"
  20 #include "base/prefs/pref_service.h"
  21 #include "base/prefs/pref_service_factory.h"
  22 #include "components/autofill/core/common/autofill_pref_names.h"
  23 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.h"
  24 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
  25 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
  26 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_service.h"
  27 #include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
  28 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
  29 #include "components/user_prefs/user_prefs.h"
  30 #include "components/visitedlink/browser/visitedlink_master.h"
  31 #include "content/public/browser/browser_thread.h"
  32 #include "content/public/browser/ssl_host_state_delegate.h"
  33 #include "content/public/browser/storage_partition.h"
  34 #include "content/public/browser/web_contents.h"
  35 #include "net/cookies/cookie_store.h"
  36 #include "net/proxy/proxy_config_service_android.h"
  37 #include "net/proxy/proxy_service.h"
  38
  39 using base::FilePath;
  40 using content::BrowserThread;
  41
  42 namespace android_webview {
  43
  44 namespace {
  45
  46 // Shows notifications which correspond to PersistentPrefStore's reading errors.
  47 void HandleReadError(PersistentPrefStore::PrefReadError error) {
  48 }
  49
  50 void DeleteDirRecursively(const base::FilePath& path) {
  51   if (!base::DeleteFile(path, true)) {
  52     // Deleting a non-existent file is considered successful, so this will
  53     // trigger only in case of real errors.
  54     LOG(WARNING) << "Failed to delete " << path.AsUTF8Unsafe();
  55   }
  56 }
  57
  58 AwBrowserContext* g_browser_context = NULL;
  59
  60 net::ProxyConfigService* CreateProxyConfigService() {
  61   net::ProxyConfigServiceAndroid* config_service =
  62       static_cast<net::ProxyConfigServiceAndroid*>(
  63           net::ProxyService::CreateSystemProxyConfigService(
  64               BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
  65               nullptr /* Ignored on Android */ ));
  66   config_service->set_exclude_pac_url(true);
  67   return config_service;
  68 }
  69
  70 }  // namespace
  71
  72 // Data reduction proxy is disabled by default.
  73 bool AwBrowserContext::data_reduction_proxy_enabled_ = false;
  74
  75 // Delete the legacy cache dir (in the app data dir) in 10 seconds after init.
  76 int AwBrowserContext::legacy_cache_removal_delay_ms_ = 10000;
  77
  78 AwBrowserContext::AwBrowserContext(
  79     const FilePath path,
  80     JniDependencyFactory* native_factory)
  81     : context_storage_path_(path),
  82       native_factory_(native_factory) {
  83   DCHECK(!g_browser_context);
  84   g_browser_context = this;
  85
  86   // This constructor is entered during the creation of ContentBrowserClient,
  87   // before browser threads are created. Therefore any checks to enforce
  88   // threading (such as BrowserThread::CurrentlyOn()) will fail here.
  89 }
  90
  91 AwBrowserContext::~AwBrowserContext() {
  92   DCHECK_EQ(this, g_browser_context);
  93   g_browser_context = NULL;
  94 }
  95
  96 // static
  97 AwBrowserContext* AwBrowserContext::GetDefault() {
  98   // TODO(joth): rather than store in a global here, lookup this instance
  99   // from the Java-side peer.
 100   return g_browser_context;
 101 }
 102
 103 // static
 104 AwBrowserContext* AwBrowserContext::FromWebContents(
 105     content::WebContents* web_contents) {
 106   // This is safe; this is the only implementation of the browser context.
 107   return static_cast<AwBrowserContext*>(web_contents->GetBrowserContext());
 108 }
 109
 110 // static
 111 void AwBrowserContext::SetDataReductionProxyEnabled(bool enabled) {
 112   // Cache the setting value. It is possible that data reduction proxy is
 113   // not created yet.
 114   data_reduction_proxy_enabled_ = enabled;
 115   AwBrowserContext* context = AwBrowserContext::GetDefault();
 116   // Can't enable Data reduction proxy if user pref service is not ready.
 117   if (context == NULL || context->user_pref_service_.get() == NULL)
 118     return;
 119   data_reduction_proxy::DataReductionProxySettings* proxy_settings =
 120       context->GetDataReductionProxySettings();
 121   if (proxy_settings == NULL)
 122     return;
 123   // At this point, context->PreMainMessageLoopRun() has run, so
 124   // context->data_reduction_proxy_io_data() is valid.
 125   DCHECK(context->GetDataReductionProxyIOData());
 126   context->CreateDataReductionProxyStatisticsIfNecessary();
 127   proxy_settings->SetDataReductionProxyEnabled(data_reduction_proxy_enabled_);
 128 }
 129
 130 // static
 131 void AwBrowserContext::SetLegacyCacheRemovalDelayForTest(int delay_ms) {
 132   legacy_cache_removal_delay_ms_ = delay_ms;
 133 }
 134
 135 void AwBrowserContext::PreMainMessageLoopRun() {
 136   cookie_store_ = CreateCookieStore(this);
 137   FilePath cache_path;
 138   const FilePath fallback_cache_dir =
 139       GetPath().Append(FILE_PATH_LITERAL("Cache"));
 140   if (PathService::Get(base::DIR_CACHE, &cache_path)) {
 141     cache_path = cache_path.Append(
 142         FILE_PATH_LITERAL("org.chromium.android_webview"));
 143     // Delay the legacy dir removal to not impact startup performance.
 144     BrowserThread::PostDelayedTask(
 145         BrowserThread::FILE, FROM_HERE,
 146         base::Bind(&DeleteDirRecursively, fallback_cache_dir),
 147         base::TimeDelta::FromMilliseconds(legacy_cache_removal_delay_ms_));
 148   } else {
 149     cache_path = fallback_cache_dir;
 150     LOG(WARNING) << "Failed to get cache directory for Android WebView. "
 151                  << "Using app data directory as a fallback.";
 152   }
 153   url_request_context_getter_ =
 154       new AwURLRequestContextGetter(
 155           cache_path, cookie_store_.get(),
 156           make_scoped_ptr(CreateProxyConfigService()).Pass());
 157
 158   data_reduction_proxy_io_data_.reset(
 159       new data_reduction_proxy::DataReductionProxyIOData(
 160           data_reduction_proxy::Client::WEBVIEW_ANDROID,
 161           data_reduction_proxy::DataReductionProxyParams::kAllowed,
 162           url_request_context_getter_->GetNetLog(),
 163           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
 164           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 165           false /* enable_quic */,
 166           GetUserAgent()));
 167   data_reduction_proxy_settings_.reset(
 168       new data_reduction_proxy::DataReductionProxySettings());
 169   data_reduction_proxy_service_.reset(
 170       new data_reduction_proxy::DataReductionProxyService(
 171           scoped_ptr<
 172               data_reduction_proxy::DataReductionProxyCompressionStats>(),
 173           data_reduction_proxy_settings_.get(), GetAwURLRequestContext(),
 174           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
 175   data_reduction_proxy_io_data_->SetDataReductionProxyService(
 176       data_reduction_proxy_service_->GetWeakPtr());
 177
 178   visitedlink_master_.reset(
 179       new visitedlink::VisitedLinkMaster(this, this, false));
 180   visitedlink_master_->Init();
 181
 182   form_database_service_.reset(
 183       new AwFormDatabaseService(context_storage_path_));
 184 }
 185
 186 void AwBrowserContext::AddVisitedURLs(const std::vector<GURL>& urls) {
 187   DCHECK(visitedlink_master_);
 188   visitedlink_master_->AddURLs(urls);
 189 }
 190
 191 net::URLRequestContextGetter* AwBrowserContext::CreateRequestContext(
 192     content::ProtocolHandlerMap* protocol_handlers,
 193     content::URLRequestInterceptorScopedVector request_interceptors) {
 194   // This function cannot actually create the request context because
 195   // there is a reentrant dependency on GetResourceContext() via
 196   // content::StoragePartitionImplMap::Create(). This is not fixable
 197   // until http://crbug.com/159193. Until then, assert that the context
 198   // has already been allocated and just handle setting the protocol_handlers.
 199   DCHECK(url_request_context_getter_.get());
 200   url_request_context_getter_->SetHandlersAndInterceptors(
 201       protocol_handlers, request_interceptors.Pass());
 202   return url_request_context_getter_.get();
 203 }
 204
 205 net::URLRequestContextGetter*
 206 AwBrowserContext::CreateRequestContextForStoragePartition(
 207     const base::FilePath& partition_path,
 208     bool in_memory,
 209     content::ProtocolHandlerMap* protocol_handlers,
 210     content::URLRequestInterceptorScopedVector request_interceptors) {
 211   NOTREACHED();
 212   return NULL;
 213 }
 214
 215 AwQuotaManagerBridge* AwBrowserContext::GetQuotaManagerBridge() {
 216   if (!quota_manager_bridge_.get()) {
 217     quota_manager_bridge_ = native_factory_->CreateAwQuotaManagerBridge(this);
 218   }
 219   return quota_manager_bridge_.get();
 220 }
 221
 222 AwFormDatabaseService* AwBrowserContext::GetFormDatabaseService() {
 223   return form_database_service_.get();
 224 }
 225
 226 data_reduction_proxy::DataReductionProxySettings*
 227 AwBrowserContext::GetDataReductionProxySettings() {
 228   return data_reduction_proxy_settings_.get();
 229 }
 230
 231 data_reduction_proxy::DataReductionProxyIOData*
 232 AwBrowserContext::GetDataReductionProxyIOData() {
 233   return data_reduction_proxy_io_data_.get();
 234 }
 235
 236 AwURLRequestContextGetter* AwBrowserContext::GetAwURLRequestContext() {
 237   return url_request_context_getter_.get();
 238 }
 239
 240 AwMessagePortService* AwBrowserContext::GetMessagePortService() {
 241   if (!message_port_service_.get()) {
 242     message_port_service_.reset(
 243         native_factory_->CreateAwMessagePortService());
 244   }
 245   return message_port_service_.get();
 246 }
 247
 248 // Create user pref service for autofill functionality.
 249 void AwBrowserContext::CreateUserPrefServiceIfNecessary() {
 250   if (user_pref_service_)
 251     return;
 252
 253   PrefRegistrySimple* pref_registry = new PrefRegistrySimple();
 254   // We only use the autocomplete feature of the Autofill, which is
 255   // controlled via the manager_delegate. We don't use the rest
 256   // of autofill, which is why it is hardcoded as disabled here.
 257   pref_registry->RegisterBooleanPref(
 258       autofill::prefs::kAutofillEnabled, false);
 259   pref_registry->RegisterDoublePref(
 260       autofill::prefs::kAutofillPositiveUploadRate, 0.0);
 261   pref_registry->RegisterDoublePref(
 262       autofill::prefs::kAutofillNegativeUploadRate, 0.0);
 263   data_reduction_proxy::RegisterSimpleProfilePrefs(pref_registry);
 264
 265   base::PrefServiceFactory pref_service_factory;
 266   pref_service_factory.set_user_prefs(make_scoped_refptr(new AwPrefStore()));
 267   pref_service_factory.set_read_error_callback(base::Bind(&HandleReadError));
 268   user_pref_service_ = pref_service_factory.Create(pref_registry).Pass();
 269
 270   user_prefs::UserPrefs::Set(this, user_pref_service_.get());
 271
 272   if (data_reduction_proxy_settings_) {
 273     data_reduction_proxy_settings_->InitDataReductionProxySettings(
 274         user_pref_service_.get(), data_reduction_proxy_io_data_.get(),
 275         data_reduction_proxy_service_.Pass());
 276     data_reduction_proxy_settings_->MaybeActivateDataReductionProxy(true);
 277
 278     SetDataReductionProxyEnabled(data_reduction_proxy_enabled_);
 279   }
 280 }
 281
 282 scoped_ptr<content::ZoomLevelDelegate>
 283 AwBrowserContext::CreateZoomLevelDelegate(
 284     const base::FilePath& partition_path) {
 285   return nullptr;
 286 }
 287
 288 base::FilePath AwBrowserContext::GetPath() const {
 289   return context_storage_path_;
 290 }
 291
 292 bool AwBrowserContext::IsOffTheRecord() const {
 293   // Android WebView does not support off the record profile yet.
 294   return false;
 295 }
 296
 297 net::URLRequestContextGetter* AwBrowserContext::GetRequestContext() {
 298   return GetDefaultStoragePartition(this)->GetURLRequestContext();
 299 }
 300
 301 net::URLRequestContextGetter*
 302 AwBrowserContext::GetRequestContextForRenderProcess(
 303     int renderer_child_id) {
 304   return GetRequestContext();
 305 }
 306
 307 net::URLRequestContextGetter* AwBrowserContext::GetMediaRequestContext() {
 308   return GetRequestContext();
 309 }
 310
 311 net::URLRequestContextGetter*
 312 AwBrowserContext::GetMediaRequestContextForRenderProcess(
 313     int renderer_child_id) {
 314   return GetRequestContext();
 315 }
 316
 317 net::URLRequestContextGetter*
 318 AwBrowserContext::GetMediaRequestContextForStoragePartition(
 319     const base::FilePath& partition_path,
 320     bool in_memory) {
 321   NOTREACHED();
 322   return NULL;
 323 }
 324
 325 content::ResourceContext* AwBrowserContext::GetResourceContext() {
 326   if (!resource_context_) {
 327     resource_context_.reset(
 328         new AwResourceContext(url_request_context_getter_.get()));
 329   }
 330   return resource_context_.get();
 331 }
 332
 333 content::DownloadManagerDelegate*
 334 AwBrowserContext::GetDownloadManagerDelegate() {
 335   return &download_manager_delegate_;
 336 }
 337
 338 content::BrowserPluginGuestManager* AwBrowserContext::GetGuestManager() {
 339   return NULL;
 340 }
 341
 342 storage::SpecialStoragePolicy* AwBrowserContext::GetSpecialStoragePolicy() {
 343   // Intentionally returning NULL as 'Extensions' and 'Apps' not supported.
 344   return NULL;
 345 }
 346
 347 content::PushMessagingService* AwBrowserContext::GetPushMessagingService() {
 348   // TODO(johnme): Support push messaging in WebView.
 349   return NULL;
 350 }
 351
 352 content::SSLHostStateDelegate* AwBrowserContext::GetSSLHostStateDelegate() {
 353   if (!ssl_host_state_delegate_.get()) {
 354     ssl_host_state_delegate_.reset(new AwSSLHostStateDelegate());
 355   }
 356   return ssl_host_state_delegate_.get();
 357 }
 358
 359 content::PermissionManager* AwBrowserContext::GetPermissionManager() {
 360   if (!permission_manager_.get())
 361     permission_manager_.reset(new AwPermissionManager());
 362   return permission_manager_.get();
 363 }
 364
 365 void AwBrowserContext::RebuildTable(
 366     const scoped_refptr<URLEnumerator>& enumerator) {
 367   // Android WebView rebuilds from WebChromeClient.getVisitedHistory. The client
 368   // can change in the lifetime of this WebView and may not yet be set here.
 369   // Therefore this initialization path is not used.
 370   enumerator->OnComplete(true);
 371 }
 372
 373 void AwBrowserContext::CreateDataReductionProxyStatisticsIfNecessary() {
 374   DCHECK(user_pref_service_.get());
 375   DCHECK(GetDataReductionProxySettings());
 376   data_reduction_proxy::DataReductionProxyService*
 377       data_reduction_proxy_service =
 378           GetDataReductionProxySettings()->data_reduction_proxy_service();
 379   DCHECK(data_reduction_proxy_service);
 380   if (data_reduction_proxy_service->compression_stats())
 381     return;
 382   // We don't care about commit_delay for now. It is just a dummy value.
 383   base::TimeDelta commit_delay = base::TimeDelta::FromMinutes(60);
 384   data_reduction_proxy_service->EnableCompressionStatisticsLogging(
 385       user_pref_service_.get(),
 386       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
 387       commit_delay);
 388 }
 389
 390 }  // namespace android_webview