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_locale_manager.h"
  13 #include "android_webview/browser/aw_printing_message_filter.h"
  14 #include "android_webview/browser/aw_quota_permission_context.h"
  15 #include "android_webview/browser/aw_web_preferences_populater.h"
  16 #include "android_webview/browser/jni_dependency_factory.h"
  17 #include "android_webview/browser/net/aw_url_request_context_getter.h"
  18 #include "android_webview/browser/net_disk_cache_remover.h"
  19 #include "android_webview/browser/renderer_host/aw_resource_dispatcher_host_delegate.h"
  20 #include "android_webview/common/render_view_messages.h"
  21 #include "android_webview/common/url_constants.h"
  22 #include "base/android/locale_utils.h"
  23 #include "base/base_paths_android.h"
  24 #include "base/path_service.h"
  25 #include "components/cdm/browser/cdm_message_filter_android.h"
  26 #include "content/public/browser/access_token_store.h"
  27 #include "content/public/browser/browser_message_filter.h"
  28 #include "content/public/browser/child_process_security_policy.h"
  29 #include "content/public/browser/client_certificate_delegate.h"
  30 #include "content/public/browser/render_frame_host.h"
  31 #include "content/public/browser/render_process_host.h"
  32 #include "content/public/browser/render_view_host.h"
  33 #include "content/public/browser/web_contents.h"
  34 #include "content/public/common/url_constants.h"
  35 #include "content/public/common/web_preferences.h"
  36 #include "net/android/network_library.h"
  37 #include "net/ssl/ssl_cert_request_info.h"
  38 #include "net/ssl/ssl_info.h"
  39 #include "ui/base/resource/resource_bundle.h"
  40 #include "ui/resources/grit/ui_resources.h"
  41
  42 using content::ResourceType;
  43
  44 namespace android_webview {
  45 namespace {
  46
  47 // TODO(sgurun) move this to its own file.
  48 // This class filters out incoming aw_contents related IPC messages for the
  49 // renderer process on the IPC thread.
  50 class AwContentsMessageFilter : public content::BrowserMessageFilter {
  51 public:
  52   explicit AwContentsMessageFilter(int process_id);
  53
  54   // BrowserMessageFilter methods.
  55   bool OnMessageReceived(const IPC::Message& message) override;
  56
  57   void OnSubFrameCreated(int parent_render_frame_id, int child_render_frame_id);
  58
  59 private:
  60  ~AwContentsMessageFilter() override;
  61
  62   int process_id_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(AwContentsMessageFilter);
  65 };
  66
  67 AwContentsMessageFilter::AwContentsMessageFilter(int process_id)
  68     : BrowserMessageFilter(AndroidWebViewMsgStart),
  69       process_id_(process_id) {
  70 }
  71
  72 AwContentsMessageFilter::~AwContentsMessageFilter() {
  73 }
  74
  75 bool AwContentsMessageFilter::OnMessageReceived(const IPC::Message& message) {
  76   bool handled = true;
  77   IPC_BEGIN_MESSAGE_MAP(AwContentsMessageFilter, message)
  78     IPC_MESSAGE_HANDLER(AwViewHostMsg_SubFrameCreated, OnSubFrameCreated)
  79     IPC_MESSAGE_UNHANDLED(handled = false)
  80   IPC_END_MESSAGE_MAP()
  81   return handled;
  82 }
  83
  84 void AwContentsMessageFilter::OnSubFrameCreated(int parent_render_frame_id,
  85                                                 int child_render_frame_id) {
  86   AwContentsIoThreadClient::SubFrameCreated(
  87       process_id_, parent_render_frame_id, child_render_frame_id);
  88 }
  89
  90 class AwAccessTokenStore : public content::AccessTokenStore {
  91  public:
  92   AwAccessTokenStore() { }
  93
  94   // content::AccessTokenStore implementation
  95   void LoadAccessTokens(const LoadAccessTokensCallbackType& request) override {
  96     AccessTokenStore::AccessTokenSet access_token_set;
  97     // AccessTokenSet and net::URLRequestContextGetter not used on Android,
  98     // but Run needs to be called to finish the geolocation setup.
  99     request.Run(access_token_set, NULL);
 100   }
 101   void SaveAccessToken(const GURL& server_url,
 102                        const base::string16& access_token) override {}
 103
 104  private:
 105   ~AwAccessTokenStore() override {}
 106
 107   DISALLOW_COPY_AND_ASSIGN(AwAccessTokenStore);
 108 };
 109
 110 AwLocaleManager* g_locale_manager = NULL;
 111
 112 }  // anonymous namespace
 113
 114 // static
 115 std::string AwContentBrowserClient::GetAcceptLangsImpl() {
 116   // Start with the current locale.
 117   std::string langs = g_locale_manager->GetLocale();
 118
 119   // If we're not en-US, add in en-US which will be
 120   // used with a lower q-value.
 121   if (base::ToLowerASCII(langs) != "en-us") {
 122     langs += ",en-US";
 123   }
 124   return langs;
 125 }
 126
 127 // static
 128 AwBrowserContext* AwContentBrowserClient::GetAwBrowserContext() {
 129   return AwBrowserContext::GetDefault();
 130 }
 131
 132 AwContentBrowserClient::AwContentBrowserClient(
 133     JniDependencyFactory* native_factory)
 134     : native_factory_(native_factory) {
 135   base::FilePath user_data_dir;
 136   if (!PathService::Get(base::DIR_ANDROID_APP_DATA, &user_data_dir)) {
 137     NOTREACHED() << "Failed to get app data directory for Android WebView";
 138   }
 139   browser_context_.reset(
 140       new AwBrowserContext(user_data_dir, native_factory_));
 141   g_locale_manager = native_factory->CreateAwLocaleManager();
 142 }
 143
 144 AwContentBrowserClient::~AwContentBrowserClient() {
 145   delete g_locale_manager;
 146   g_locale_manager = NULL;
 147 }
 148
 149 void AwContentBrowserClient::AddCertificate(net::CertificateMimeType cert_type,
 150                                             const void* cert_data,
 151                                             size_t cert_size,
 152                                             int render_process_id,
 153                                             int render_frame_id) {
 154   if (cert_size > 0)
 155     net::android::StoreCertificate(cert_type, cert_data, cert_size);
 156 }
 157
 158 content::BrowserMainParts* AwContentBrowserClient::CreateBrowserMainParts(
 159     const content::MainFunctionParams& parameters) {
 160   return new AwBrowserMainParts(browser_context_.get());
 161 }
 162
 163 content::WebContentsViewDelegate*
 164 AwContentBrowserClient::GetWebContentsViewDelegate(
 165     content::WebContents* web_contents) {
 166   return native_factory_->CreateViewDelegate(web_contents);
 167 }
 168
 169 void AwContentBrowserClient::RenderProcessWillLaunch(
 170     content::RenderProcessHost* host) {
 171   // Grant content: scheme access to the whole renderer process, since we impose
 172   // per-view access checks, and access is granted by default (see
 173   // AwSettings.mAllowContentUrlAccess).
 174   content::ChildProcessSecurityPolicy::GetInstance()->GrantScheme(
 175       host->GetID(), url::kContentScheme);
 176
 177   host->AddFilter(new AwContentsMessageFilter(host->GetID()));
 178   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 179   host->AddFilter(new AwPrintingMessageFilter(host->GetID()));
 180 }
 181
 182 net::URLRequestContextGetter* AwContentBrowserClient::CreateRequestContext(
 183     content::BrowserContext* browser_context,
 184     content::ProtocolHandlerMap* protocol_handlers,
 185     content::URLRequestInterceptorScopedVector request_interceptors) {
 186   DCHECK_EQ(browser_context_.get(), browser_context);
 187   return browser_context_->CreateRequestContext(protocol_handlers,
 188                                                 request_interceptors.Pass());
 189 }
 190
 191 net::URLRequestContextGetter*
 192 AwContentBrowserClient::CreateRequestContextForStoragePartition(
 193     content::BrowserContext* browser_context,
 194     const base::FilePath& partition_path,
 195     bool in_memory,
 196     content::ProtocolHandlerMap* protocol_handlers,
 197     content::URLRequestInterceptorScopedVector request_interceptors) {
 198   DCHECK_EQ(browser_context_.get(), browser_context);
 199   // TODO(mkosiba,kinuko): request_interceptors should be hooked up in the
 200   // downstream. (crbug.com/350286)
 201   return browser_context_->CreateRequestContextForStoragePartition(
 202       partition_path, in_memory, protocol_handlers,
 203       request_interceptors.Pass());
 204 }
 205
 206 bool AwContentBrowserClient::IsHandledURL(const GURL& url) {
 207   if (!url.is_valid()) {
 208     // We handle error cases.
 209     return true;
 210   }
 211
 212   const std::string scheme = url.scheme();
 213   DCHECK_EQ(scheme, base::ToLowerASCII(scheme));
 214   // See CreateJobFactory in aw_url_request_context_getter.cc for the
 215   // list of protocols that are handled.
 216   // TODO(mnaganov): Make this automatic.
 217   static const char* const kProtocolList[] = {
 218     url::kDataScheme,
 219     url::kBlobScheme,
 220     url::kFileSystemScheme,
 221     content::kChromeUIScheme,
 222     content::kChromeDevToolsScheme,
 223     url::kContentScheme,
 224   };
 225   if (scheme == url::kFileScheme) {
 226     // Return false for the "special" file URLs, so they can be loaded
 227     // even if access to file: scheme is not granted to the child process.
 228     return !IsAndroidSpecialFileUrl(url);
 229   }
 230   for (size_t i = 0; i < arraysize(kProtocolList); ++i) {
 231     if (scheme == kProtocolList[i])
 232       return true;
 233   }
 234   return net::URLRequest::IsHandledProtocol(scheme);
 235 }
 236
 237 std::string AwContentBrowserClient::GetCanonicalEncodingNameByAliasName(
 238     const std::string& alias_name) {
 239   return alias_name;
 240 }
 241
 242 void AwContentBrowserClient::AppendExtraCommandLineSwitches(
 243     base::CommandLine* command_line,
 244     int child_process_id) {
 245   NOTREACHED() << "Android WebView does not support multi-process yet";
 246 }
 247
 248 std::string AwContentBrowserClient::GetApplicationLocale() {
 249   return base::android::GetDefaultLocale();
 250 }
 251
 252 std::string AwContentBrowserClient::GetAcceptLangs(
 253     content::BrowserContext* context) {
 254   return GetAcceptLangsImpl();
 255 }
 256
 257 const gfx::ImageSkia* AwContentBrowserClient::GetDefaultFavicon() {
 258   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
 259   // TODO(boliu): Bundle our own default favicon?
 260   return rb.GetImageSkiaNamed(IDR_DEFAULT_FAVICON);
 261 }
 262
 263 bool AwContentBrowserClient::AllowAppCache(const GURL& manifest_url,
 264                            const GURL& first_party,
 265                            content::ResourceContext* context) {
 266   // WebView doesn't have a per-site policy for locally stored data,
 267   // instead AppCache can be disabled for individual WebViews.
 268   return true;
 269 }
 270
 271
 272 bool AwContentBrowserClient::AllowGetCookie(const GURL& url,
 273                                             const GURL& first_party,
 274                                             const net::CookieList& cookie_list,
 275                                             content::ResourceContext* context,
 276                                             int render_process_id,
 277                                             int render_frame_id) {
 278   return AwCookieAccessPolicy::GetInstance()->AllowGetCookie(url,
 279                                                              first_party,
 280                                                              cookie_list,
 281                                                              context,
 282                                                              render_process_id,
 283                                                              render_frame_id);
 284 }
 285
 286 bool AwContentBrowserClient::AllowSetCookie(const GURL& url,
 287                                             const GURL& first_party,
 288                                             const std::string& cookie_line,
 289                                             content::ResourceContext* context,
 290                                             int render_process_id,
 291                                             int render_frame_id,
 292                                             net::CookieOptions* options) {
 293   return AwCookieAccessPolicy::GetInstance()->AllowSetCookie(url,
 294                                                              first_party,
 295                                                              cookie_line,
 296                                                              context,
 297                                                              render_process_id,
 298                                                              render_frame_id,
 299                                                              options);
 300 }
 301
 302 bool AwContentBrowserClient::AllowWorkerDatabase(
 303     const GURL& url,
 304     const base::string16& name,
 305     const base::string16& display_name,
 306     unsigned long estimated_size,
 307     content::ResourceContext* context,
 308     const std::vector<std::pair<int, int> >& render_frames) {
 309   // Android WebView does not yet support web workers.
 310   return false;
 311 }
 312
 313 void AwContentBrowserClient::AllowWorkerFileSystem(
 314     const GURL& url,
 315     content::ResourceContext* context,
 316     const std::vector<std::pair<int, int> >& render_frames,
 317     base::Callback<void(bool)> callback) {
 318   // Android WebView does not yet support web workers.
 319   callback.Run(false);
 320 }
 321
 322 bool AwContentBrowserClient::AllowWorkerIndexedDB(
 323     const GURL& url,
 324     const base::string16& name,
 325     content::ResourceContext* context,
 326     const std::vector<std::pair<int, int> >& render_frames) {
 327   // Android WebView does not yet support web workers.
 328   return false;
 329 }
 330
 331 content::QuotaPermissionContext*
 332 AwContentBrowserClient::CreateQuotaPermissionContext() {
 333   return new AwQuotaPermissionContext;
 334 }
 335
 336 void AwContentBrowserClient::AllowCertificateError(
 337     int render_process_id,
 338     int render_frame_id,
 339     int cert_error,
 340     const net::SSLInfo& ssl_info,
 341     const GURL& request_url,
 342     ResourceType resource_type,
 343     bool overridable,
 344     bool strict_enforcement,
 345     bool expired_previous_decision,
 346     const base::Callback<void(bool)>& callback,
 347     content::CertificateRequestResultType* result) {
 348   AwContentsClientBridgeBase* client =
 349       AwContentsClientBridgeBase::FromID(render_process_id, render_frame_id);
 350   bool cancel_request = true;
 351   if (client)
 352     client->AllowCertificateError(cert_error,
 353                                   ssl_info.cert.get(),
 354                                   request_url,
 355                                   callback,
 356                                   &cancel_request);
 357   if (cancel_request)
 358     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
 359 }
 360
 361 void AwContentBrowserClient::SelectClientCertificate(
 362     content::WebContents* web_contents,
 363     net::SSLCertRequestInfo* cert_request_info,
 364     scoped_ptr<content::ClientCertificateDelegate> delegate) {
 365   AwContentsClientBridgeBase* client =
 366       AwContentsClientBridgeBase::FromWebContents(web_contents);
 367   if (client)
 368     client->SelectClientCertificate(cert_request_info, delegate.Pass());
 369 }
 370
 371 bool AwContentBrowserClient::CanCreateWindow(
 372     const GURL& opener_url,
 373     const GURL& opener_top_level_frame_url,
 374     const GURL& source_origin,
 375     WindowContainerType container_type,
 376     const GURL& target_url,
 377     const content::Referrer& referrer,
 378     WindowOpenDisposition disposition,
 379     const blink::WebWindowFeatures& features,
 380     bool user_gesture,
 381     bool opener_suppressed,
 382     content::ResourceContext* context,
 383     int render_process_id,
 384     int opener_render_view_id,
 385     int opener_render_frame_id,
 386     bool* no_javascript_access) {
 387   // We unconditionally allow popup windows at this stage and will give
 388   // the embedder the opporunity to handle displaying of the popup in
 389   // WebContentsDelegate::AddContents (via the
 390   // AwContentsClient.onCreateWindow callback).
 391   // Note that if the embedder has blocked support for creating popup
 392   // windows through AwSettings, then we won't get to this point as
 393   // the popup creation will have been blocked at the WebKit level.
 394   if (no_javascript_access) {
 395     *no_javascript_access = false;
 396   }
 397   return true;
 398 }
 399
 400 void AwContentBrowserClient::ResourceDispatcherHostCreated() {
 401   AwResourceDispatcherHostDelegate::ResourceDispatcherHostCreated();
 402 }
 403
 404 net::NetLog* AwContentBrowserClient::GetNetLog() {
 405   return browser_context_->GetAwURLRequestContext()->GetNetLog();
 406 }
 407
 408 content::AccessTokenStore* AwContentBrowserClient::CreateAccessTokenStore() {
 409   return new AwAccessTokenStore();
 410 }
 411
 412 bool AwContentBrowserClient::IsFastShutdownPossible() {
 413   NOTREACHED() << "Android WebView is single process, so IsFastShutdownPossible"
 414                << " should never be called";
 415   return false;
 416 }
 417
 418 void AwContentBrowserClient::ClearCache(content::RenderFrameHost* rfh) {
 419   RemoveHttpDiskCache(rfh->GetProcess()->GetBrowserContext(),
 420                       rfh->GetProcess()->GetID());
 421 }
 422
 423 void AwContentBrowserClient::ClearCookies(content::RenderFrameHost* rfh) {
 424   // TODO(boliu): Implement.
 425   NOTIMPLEMENTED();
 426 }
 427
 428 base::FilePath AwContentBrowserClient::GetDefaultDownloadDirectory() {
 429   // Android WebView does not currently use the Chromium downloads system.
 430   // Download requests are cancelled immedately when recognized; see
 431   // AwResourceDispatcherHost::CreateResourceHandlerForDownload. However the
 432   // download system still tries to start up and calls this before recognizing
 433   // the request has been cancelled.
 434   return base::FilePath();
 435 }
 436
 437 std::string AwContentBrowserClient::GetDefaultDownloadName() {
 438   NOTREACHED() << "Android WebView does not use chromium downloads";
 439   return std::string();
 440 }
 441
 442 void AwContentBrowserClient::DidCreatePpapiPlugin(
 443     content::BrowserPpapiHost* browser_host) {
 444   NOTREACHED() << "Android WebView does not support plugins";
 445 }
 446
 447 bool AwContentBrowserClient::AllowPepperSocketAPI(
 448     content::BrowserContext* browser_context,
 449     const GURL& url,
 450     bool private_api,
 451     const content::SocketPermissionRequest* params) {
 452   NOTREACHED() << "Android WebView does not support plugins";
 453   return false;
 454 }
 455
 456 void AwContentBrowserClient::OverrideWebkitPrefs(
 457     content::RenderViewHost* rvh,
 458     content::WebPreferences* web_prefs) {
 459   if (!preferences_populater_.get()) {
 460     preferences_populater_ = make_scoped_ptr(native_factory_->
 461         CreateWebPreferencesPopulater());
 462   }
 463   preferences_populater_->PopulateFor(
 464       content::WebContents::FromRenderViewHost(rvh), web_prefs);
 465 }
 466
 467 #if defined(VIDEO_HOLE)
 468 content::ExternalVideoSurfaceContainer*
 469 AwContentBrowserClient::OverrideCreateExternalVideoSurfaceContainer(
 470     content::WebContents* web_contents) {
 471   return native_factory_->CreateExternalVideoSurfaceContainer(web_contents);
 472 }
 473 #endif
 474
 475 }  // namespace android_webview