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