android_webview/browser/aw_content_browser_client.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_content_browser_client.h"
   6
   7 #include "android_webview/browser/aw_browser_context.h"
   8 #include "android_webview/browser/aw_browser_main_parts.h"
   9 #include "android_webview/browser/aw_browser_permission_request_delegate.h"
  10 #include "android_webview/browser/aw_contents_client_bridge_base.h"
  11 #include "android_webview/browser/aw_contents_io_thread_client.h"
  12 #include "android_webview/browser/aw_cookie_access_policy.h"
  13 #include "android_webview/browser/aw_quota_permission_context.h"
  14 #include "android_webview/browser/aw_web_preferences_populater.h"
  15 #include "android_webview/browser/jni_dependency_factory.h"
  16 #include "android_webview/browser/net_disk_cache_remover.h"
  17 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
  18 #include "android_webview/common/render_view_messages.h"
  19 #include "android_webview/common/url_constants.h"
  20 #include "base/base_paths_android.h"
  21 #include "base/path_service.h"
  22 #include "components/cdm/browser/cdm_message_filter_android.h"
  23 #include "content/public/browser/access_token_store.h"
  24 #include "content/public/browser/browser_message_filter.h"
  25 #include "content/public/browser/browser_thread.h"
  26 #include "content/public/browser/child_process_security_policy.h"
  27 #include "content/public/browser/render_process_host.h"
  28 #include "content/public/browser/render_view_host.h"
  29 #include "content/public/browser/web_contents.h"
  30 #include "content/public/common/url_constants.h"
  31 #include "content/public/common/web_preferences.h"
  32 #include "net/android/network_library.h"
  33 #include "net/ssl/ssl_cert_request_info.h"
  34 #include "net/ssl/ssl_info.h"
  35 #include "ui/base/l10n/l10n_util_android.h"
  36 #include "ui/base/resource/resource_bundle.h"
  37 #include "ui/resources/grit/ui_resources.h"
  38
  39 using content::BrowserThread;
  40 using content::ResourceType;
  41
  42 namespace android_webview {
  43 namespace {
  44
  45 // TODO(sgurun) move this to its own file.
  46 // This class filters out incoming aw_contents related IPC messages for the
  47 // renderer process on the IPC thread.
  48 class AwContentsMessageFilter : public content::BrowserMessageFilter {
  49 public:
  50   explicit AwContentsMessageFilter(int process_id);
  51
  52   // BrowserMessageFilter methods.
  53   virtual void OverrideThreadForMessage(
  54       const IPC::Message& message,
  55       BrowserThread::ID* thread) OVERRIDE;
  56   virtual bool OnMessageReceived(
  57       const IPC::Message& message) OVERRIDE;
  58
  59   void OnShouldOverrideUrlLoading(int routing_id,
  60                                   const base::string16& url,
  61                                   bool* ignore_navigation);
  62   void OnSubFrameCreated(int parent_render_frame_id, int child_render_frame_id);
  63
  64 private:
  65   virtual ~AwContentsMessageFilter();
  66
  67   int process_id_;
  68
  69   DISALLOW_COPY_AND_ASSIGN(AwContentsMessageFilter);
  70 };
  71
  72 AwContentsMessageFilter::AwContentsMessageFilter(int process_id)
  73     : BrowserMessageFilter(AndroidWebViewMsgStart),
  74       process_id_(process_id) {
  75 }
  76
  77 AwContentsMessageFilter::~AwContentsMessageFilter() {
  78 }
  79
  80 void AwContentsMessageFilter::OverrideThreadForMessage(
  81     const IPC::Message& message, BrowserThread::ID* thread) {
  82   if (message.type() == AwViewHostMsg_ShouldOverrideUrlLoading::ID) {
  83     *thread = BrowserThread::UI;
  84   }
  85 }
  86
  87 bool AwContentsMessageFilter::OnMessageReceived(const IPC::Message& message) {
  88   bool handled = true;
  89   IPC_BEGIN_MESSAGE_MAP(AwContentsMessageFilter, message)
  90     IPC_MESSAGE_HANDLER(AwViewHostMsg_ShouldOverrideUrlLoading,
  91                         OnShouldOverrideUrlLoading)
  92     IPC_MESSAGE_HANDLER(AwViewHostMsg_SubFrameCreated, OnSubFrameCreated)
  93     IPC_MESSAGE_UNHANDLED(handled = false)
  94   IPC_END_MESSAGE_MAP()
  95   return handled;
  96 }
  97
  98 void AwContentsMessageFilter::OnShouldOverrideUrlLoading(
  99     int render_frame_id,
 100     const base::string16& url,
 101     bool* ignore_navigation) {
 102   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 103   *ignore_navigation = false;
 104   AwContentsClientBridgeBase* client =
 105       AwContentsClientBridgeBase::FromID(process_id_, render_frame_id);
 106   if (client) {
 107     *ignore_navigation = client->ShouldOverrideUrlLoading(url);
 108   } else {
 109     LOG(WARNING) << "Failed to find the associated render view host for url: "
 110                  << url;
 111   }
 112 }
 113
 114 void AwContentsMessageFilter::OnSubFrameCreated(int parent_render_frame_id,
 115                                                 int child_render_frame_id) {
 116   AwContentsIoThreadClient::SubFrameCreated(
 117       process_id_, parent_render_frame_id, child_render_frame_id);
 118 }
 119
 120 class AwAccessTokenStore : public content::AccessTokenStore {
 121  public:
 122   AwAccessTokenStore() { }
 123
 124   // content::AccessTokenStore implementation
 125   virtual void LoadAccessTokens(
 126       const LoadAccessTokensCallbackType& request) OVERRIDE {
 127     AccessTokenStore::AccessTokenSet access_token_set;
 128     // AccessTokenSet and net::URLRequestContextGetter not used on Android,
 129     // but Run needs to be called to finish the geolocation setup.
 130     request.Run(access_token_set, NULL);
 131   }
 132   virtual void SaveAccessToken(const GURL& server_url,
 133                                const base::string16& access_token) OVERRIDE { }
 134
 135  private:
 136   virtual ~AwAccessTokenStore() { }
 137
 138   DISALLOW_COPY_AND_ASSIGN(AwAccessTokenStore);
 139 };
 140
 141 void CancelProtectedMediaIdentifierPermissionRequests(
 142     int render_process_id,
 143     int render_view_id,
 144     const GURL& origin) {
 145   AwBrowserPermissionRequestDelegate* delegate =
 146       AwBrowserPermissionRequestDelegate::FromID(render_process_id,
 147                                                  render_view_id);
 148   if (delegate)
 149     delegate->CancelProtectedMediaIdentifierPermissionRequests(origin);
 150 }
 151
 152 void CancelGeolocationPermissionRequests(
 153     int render_process_id,
 154     int render_view_id,
 155     const GURL& origin) {
 156   AwBrowserPermissionRequestDelegate* delegate =
 157       AwBrowserPermissionRequestDelegate::FromID(render_process_id,
 158                                                  render_view_id);
 159   if (delegate)
 160     delegate->CancelGeolocationPermissionRequests(origin);
 161 }
 162
 163 }  // namespace
 164
 165 std::string AwContentBrowserClient::GetAcceptLangsImpl() {
 166   // Start with the currnet locale.
 167   std::string langs = l10n_util::GetDefaultLocale();
 168
 169   // If we're not en-US, add in en-US which will be
 170   // used with a lower q-value.
 171   if (base::StringToLowerASCII(langs) != "en-us") {
 172     langs += ",en-US";
 173   }
 174   return langs;
 175 }
 176
 177 AwBrowserContext* AwContentBrowserClient::GetAwBrowserContext() {
 178   return AwBrowserContext::GetDefault();
 179 }
 180
 181 AwContentBrowserClient::AwContentBrowserClient(
 182     JniDependencyFactory* native_factory)
 183     : native_factory_(native_factory) {
 184   base::FilePath user_data_dir;
 185   if (!PathService::Get(base::DIR_ANDROID_APP_DATA, &user_data_dir)) {
 186     NOTREACHED() << "Failed to get app data directory for Android WebView";
 187   }
 188   browser_context_.reset(
 189       new AwBrowserContext(user_data_dir, native_factory_));
 190 }
 191
 192 AwContentBrowserClient::~AwContentBrowserClient() {
 193 }
 194
 195 void AwContentBrowserClient::AddCertificate(net::CertificateMimeType cert_type,
 196                                             const void* cert_data,
 197                                             size_t cert_size,
 198                                             int render_process_id,
 199                                             int render_frame_id) {
 200   if (cert_size > 0)
 201     net::android::StoreCertificate(cert_type, cert_data, cert_size);
 202 }
 203
 204 content::BrowserMainParts* AwContentBrowserClient::CreateBrowserMainParts(
 205     const content::MainFunctionParams& parameters) {
 206   return new AwBrowserMainParts(browser_context_.get());
 207 }
 208
 209 content::WebContentsViewDelegate*
 210 AwContentBrowserClient::GetWebContentsViewDelegate(
 211     content::WebContents* web_contents) {
 212   return native_factory_->CreateViewDelegate(web_contents);
 213 }
 214
 215 void AwContentBrowserClient::RenderProcessWillLaunch(
 216     content::RenderProcessHost* host) {
 217   // If WebView becomes multi-process capable, this may be insecure.
 218   // More benefit can be derived from the ChildProcessSecurotyPolicy by
 219   // deferring the GrantScheme calls until we know that a given child process
 220   // really does need that priviledge. Check here to ensure we rethink this
 221   // when the time comes. See crbug.com/156062.
 222   CHECK(content::RenderProcessHost::run_renderer_in_process());
 223
 224   // Grant content: and file: scheme to the whole process, since we impose
 225   // per-view access checks.
 226   content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
 227       host->GetID(), android_webview::kContentScheme);
 228   content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
 229       host->GetID(), url::kFileScheme);
 230
 231   host->AddFilter(new AwContentsMessageFilter(host->GetID()));
 232   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 233 }
 234
 235 net::URLRequestContextGetter* AwContentBrowserClient::CreateRequestContext(
 236     content::BrowserContext* browser_context,
 237     content::ProtocolHandlerMap* protocol_handlers,
 238     content::URLRequestInterceptorScopedVector request_interceptors) {
 239   DCHECK(browser_context_.get() == browser_context);
 240   return browser_context_->CreateRequestContext(protocol_handlers,
 241                                                 request_interceptors.Pass());
 242 }
 243
 244 net::URLRequestContextGetter*
 245 AwContentBrowserClient::CreateRequestContextForStoragePartition(
 246     content::BrowserContext* browser_context,
 247     const base::FilePath& partition_path,
 248     bool in_memory,
 249     content::ProtocolHandlerMap* protocol_handlers,
 250     content::URLRequestInterceptorScopedVector request_interceptors) {
 251   DCHECK(browser_context_.get() == browser_context);
 252   // TODO(mkosiba,kinuko): request_interceptors should be hooked up in the
 253   // downstream. (crbug.com/350286)
 254   return browser_context_->CreateRequestContextForStoragePartition(
 255       partition_path, in_memory, protocol_handlers,
 256       request_interceptors.Pass());
 257 }
 258
 259 std::string AwContentBrowserClient::GetCanonicalEncodingNameByAliasName(
 260     const std::string& alias_name) {
 261   return alias_name;
 262 }
 263
 264 void AwContentBrowserClient::AppendExtraCommandLineSwitches(
 265     base::CommandLine* command_line,
 266     int child_process_id) {
 267   NOTREACHED() << "Android WebView does not support multi-process yet";
 268 }
 269
 270 std::string AwContentBrowserClient::GetApplicationLocale() {
 271   return l10n_util::GetDefaultLocale();
 272 }
 273
 274 std::string AwContentBrowserClient::GetAcceptLangs(
 275     content::BrowserContext* context) {
 276   return GetAcceptLangsImpl();
 277 }
 278
 279 const gfx::ImageSkia* AwContentBrowserClient::GetDefaultFavicon() {
 280   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
 281   // TODO(boliu): Bundle our own default favicon?
 282   return rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
 283 }
 284
 285 bool AwContentBrowserClient::AllowAppCache(const GURL& manifest_url,
 286                            const GURL& first_party,
 287                            content::ResourceContext* context) {
 288   // WebView doesn't have a per-site policy for locally stored data,
 289   // instead AppCache can be disabled for individual WebViews.
 290   return true;
 291 }
 292
 293
 294 bool AwContentBrowserClient::AllowGetCookie(const GURL& url,
 295                                             const GURL& first_party,
 296                                             const net::CookieList& cookie_list,
 297                                             content::ResourceContext* context,
 298                                             int render_process_id,
 299                                             int render_frame_id) {
 300   return AwCookieAccessPolicy::GetInstance()->AllowGetCookie(url,
 301                                                              first_party,
 302                                                              cookie_list,
 303                                                              context,
 304                                                              render_process_id,
 305                                                              render_frame_id);
 306 }
 307
 308 bool AwContentBrowserClient::AllowSetCookie(const GURL& url,
 309                                             const GURL& first_party,
 310                                             const std::string& cookie_line,
 311                                             content::ResourceContext* context,
 312                                             int render_process_id,
 313                                             int render_frame_id,
 314                                             net::CookieOptions* options) {
 315   return AwCookieAccessPolicy::GetInstance()->AllowSetCookie(url,
 316                                                              first_party,
 317                                                              cookie_line,
 318                                                              context,
 319                                                              render_process_id,
 320                                                              render_frame_id,
 321                                                              options);
 322 }
 323
 324 bool AwContentBrowserClient::AllowWorkerDatabase(
 325     const GURL& url,
 326     const base::string16& name,
 327     const base::string16& display_name,
 328     unsigned long estimated_size,
 329     content::ResourceContext* context,
 330     const std::vector<std::pair<int, int> >& render_frames) {
 331   // Android WebView does not yet support web workers.
 332   return false;
 333 }
 334
 335 void AwContentBrowserClient::AllowWorkerFileSystem(
 336     const GURL& url,
 337     content::ResourceContext* context,
 338     const std::vector<std::pair<int, int> >& render_frames,
 339     base::Callback<void(bool)> callback) {
 340   // Android WebView does not yet support web workers.
 341   callback.Run(false);
 342 }
 343
 344 bool AwContentBrowserClient::AllowWorkerIndexedDB(
 345     const GURL& url,
 346     const base::string16& name,
 347     content::ResourceContext* context,
 348     const std::vector<std::pair<int, int> >& render_frames) {
 349   // Android WebView does not yet support web workers.
 350   return false;
 351 }
 352
 353 content::QuotaPermissionContext*
 354 AwContentBrowserClient::CreateQuotaPermissionContext() {
 355   return new AwQuotaPermissionContext;
 356 }
 357
 358 void AwContentBrowserClient::AllowCertificateError(
 359     int render_process_id,
 360     int render_frame_id,
 361     int cert_error,
 362     const net::SSLInfo& ssl_info,
 363     const GURL& request_url,
 364     ResourceType resource_type,
 365     bool overridable,
 366     bool strict_enforcement,
 367     bool expired_previous_decision,
 368     const base::Callback<void(bool)>& callback,
 369     content::CertificateRequestResultType* result) {
 370   AwContentsClientBridgeBase* client =
 371       AwContentsClientBridgeBase::FromID(render_process_id, render_frame_id);
 372   bool cancel_request = true;
 373   if (client)
 374     client->AllowCertificateError(cert_error,
 375                                   ssl_info.cert.get(),
 376                                   request_url,
 377                                   callback,
 378                                   &cancel_request);
 379   if (cancel_request)
 380     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
 381 }
 382
 383 void AwContentBrowserClient::SelectClientCertificate(
 384       int render_process_id,
 385       int render_frame_id,
 386       const net::HttpNetworkSession* network_session,
 387       net::SSLCertRequestInfo* cert_request_info,
 388       const base::Callback<void(net::X509Certificate*)>& callback) {
 389   AwContentsClientBridgeBase* client =
 390       AwContentsClientBridgeBase::FromID(render_process_id, render_frame_id);
 391   if (client) {
 392     client->SelectClientCertificate(cert_request_info, callback);
 393   } else {
 394     callback.Run(NULL);
 395   }
 396 }
 397
 398 blink::WebNotificationPermission
 399     AwContentBrowserClient::CheckDesktopNotificationPermission(
 400         const GURL& source_url,
 401         content::ResourceContext* context,
 402         int render_process_id) {
 403   // Android WebView does not support notifications, so return Denied here.
 404   return blink::WebNotificationPermissionDenied;
 405 }
 406
 407 void AwContentBrowserClient::ShowDesktopNotification(
 408     const content::ShowDesktopNotificationHostMsgParams& params,
 409     content::RenderFrameHost* render_frame_host,
 410     scoped_ptr<content::DesktopNotificationDelegate> delegate,
 411     base::Closure* cancel_callback) {
 412   NOTREACHED() << "Android WebView does not support desktop notifications.";
 413 }
 414
 415 void AwContentBrowserClient::RequestGeolocationPermission(
 416     content::WebContents* web_contents,
 417     int bridge_id,
 418     const GURL& requesting_frame,
 419     bool user_gesture,
 420     base::Callback<void(bool)> result_callback,
 421     base::Closure* cancel_callback) {
 422   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
 423   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
 424   AwBrowserPermissionRequestDelegate* delegate =
 425       AwBrowserPermissionRequestDelegate::FromID(render_process_id,
 426                                                  render_view_id);
 427   if (delegate == NULL) {
 428     DVLOG(0) << "Dropping GeolocationPermission request";
 429     result_callback.Run(false);
 430     return;
 431   }
 432
 433   GURL origin = requesting_frame.GetOrigin();
 434   if (cancel_callback) {
 435     *cancel_callback = base::Bind(
 436         CancelGeolocationPermissionRequests, render_process_id, render_view_id,
 437         origin);
 438   }
 439   delegate->RequestGeolocationPermission(origin, result_callback);
 440 }
 441
 442 void AwContentBrowserClient::RequestMidiSysExPermission(
 443     content::WebContents* web_contents,
 444     int bridge_id,
 445     const GURL& requesting_frame,
 446     bool user_gesture,
 447     base::Callback<void(bool)> result_callback,
 448     base::Closure* cancel_callback) {
 449   // TODO(toyoshim): Android WebView is not supported yet.
 450   // See http://crbug.com/339767.
 451   result_callback.Run(false);
 452 }
 453
 454 void AwContentBrowserClient::RequestProtectedMediaIdentifierPermission(
 455     content::WebContents* web_contents,
 456     const GURL& origin,
 457     base::Callback<void(bool)> result_callback,
 458     base::Closure* cancel_callback) {
 459   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
 460   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
 461   AwBrowserPermissionRequestDelegate* delegate =
 462       AwBrowserPermissionRequestDelegate::FromID(render_process_id,
 463                                                  render_view_id);
 464   if (delegate == NULL) {
 465     DVLOG(0) << "Dropping ProtectedMediaIdentifierPermission request";
 466     result_callback.Run(false);
 467     return;
 468   }
 469
 470   if (cancel_callback) {
 471     *cancel_callback = base::Bind(
 472         CancelProtectedMediaIdentifierPermissionRequests,
 473         render_process_id, render_view_id, origin);
 474   }
 475   delegate->RequestProtectedMediaIdentifierPermission(origin, result_callback);
 476 }
 477
 478 bool AwContentBrowserClient::CanCreateWindow(
 479     const GURL& opener_url,
 480     const GURL& opener_top_level_frame_url,
 481     const GURL& source_origin,
 482     WindowContainerType container_type,
 483     const GURL& target_url,
 484     const content::Referrer& referrer,
 485     WindowOpenDisposition disposition,
 486     const blink::WebWindowFeatures& features,
 487     bool user_gesture,
 488     bool opener_suppressed,
 489     content::ResourceContext* context,
 490     int render_process_id,
 491     int opener_id,
 492     bool* no_javascript_access) {
 493   // We unconditionally allow popup windows at this stage and will give
 494   // the embedder the opporunity to handle displaying of the popup in
 495   // WebContentsDelegate::AddContents (via the
 496   // AwContentsClient.onCreateWindow callback).
 497   // Note that if the embedder has blocked support for creating popup
 498   // windows through AwSettings, then we won't get to this point as
 499   // the popup creation will have been blocked at the WebKit level.
 500   if (no_javascript_access) {
 501     *no_javascript_access = false;
 502   }
 503   return true;
 504 }
 505
 506 void AwContentBrowserClient::ResourceDispatcherHostCreated() {
 507   AwResourceDispatcherHostDelegate::ResourceDispatcherHostCreated();
 508 }
 509
 510 net::NetLog* AwContentBrowserClient::GetNetLog() {
 511   // TODO(boliu): Implement AwNetLog.
 512   return NULL;
 513 }
 514
 515 content::AccessTokenStore* AwContentBrowserClient::CreateAccessTokenStore() {
 516   return new AwAccessTokenStore();
 517 }
 518
 519 bool AwContentBrowserClient::IsFastShutdownPossible() {
 520   NOTREACHED() << "Android WebView is single process, so IsFastShutdownPossible"
 521                << " should never be called";
 522   return false;
 523 }
 524
 525 void AwContentBrowserClient::ClearCache(content::RenderViewHost* rvh) {
 526   RemoveHttpDiskCache(rvh->GetProcess()->GetBrowserContext(),
 527                       rvh->GetProcess()->GetID());
 528 }
 529
 530 void AwContentBrowserClient::ClearCookies(content::RenderViewHost* rvh) {
 531   // TODO(boliu): Implement.
 532   NOTIMPLEMENTED();
 533 }
 534
 535 base::FilePath AwContentBrowserClient::GetDefaultDownloadDirectory() {
 536   // Android WebView does not currently use the Chromium downloads system.
 537   // Download requests are cancelled immedately when recognized; see
 538   // AwResourceDispatcherHost::CreateResourceHandlerForDownload. However the
 539   // download system still tries to start up and calls this before recognizing
 540   // the request has been cancelled.
 541   return base::FilePath();
 542 }
 543
 544 std::string AwContentBrowserClient::GetDefaultDownloadName() {
 545   NOTREACHED() << "Android WebView does not use chromium downloads";
 546   return std::string();
 547 }
 548
 549 void AwContentBrowserClient::DidCreatePpapiPlugin(
 550     content::BrowserPpapiHost* browser_host) {
 551   NOTREACHED() << "Android WebView does not support plugins";
 552 }
 553
 554 bool AwContentBrowserClient::AllowPepperSocketAPI(
 555     content::BrowserContext* browser_context,
 556     const GURL& url,
 557     bool private_api,
 558     const content::SocketPermissionRequest* params) {
 559   NOTREACHED() << "Android WebView does not support plugins";
 560   return false;
 561 }
 562
 563 void AwContentBrowserClient::OverrideWebkitPrefs(
 564     content::RenderViewHost* rvh,
 565     const GURL& url,
 566     content::WebPreferences* web_prefs) {
 567   if (!preferences_populater_.get()) {
 568     preferences_populater_ = make_scoped_ptr(native_factory_->
 569         CreateWebPreferencesPopulater());
 570   }
 571   preferences_populater_->PopulateFor(
 572       content::WebContents::FromRenderViewHost(rvh), web_prefs);
 573 }
 574
 575 #if defined(VIDEO_HOLE)
 576 content::ExternalVideoSurfaceContainer*
 577 AwContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
 578     content::WebContents* web_contents) {
 579   return native_factory_->CreateExternalVideoSurfaceContainer(web_contents);
 580 }
 581 #endif
 582
 583 }  // namespace android_webview