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