| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/renderer/extensions/dispatcher.h" |
| |
| #include "base/callback.h" |
| #include "base/command_line.h" |
| #include "base/debug/alias.h" |
| #include "base/json/json_reader.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/sha1.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_piece.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/chrome_version_info.h" |
| #include "chrome/common/crash_keys.h" |
| #include "chrome/common/extensions/api/messaging/message.h" |
| #include "chrome/common/extensions/extension_messages.h" |
| #include "chrome/common/extensions/features/feature_channel.h" |
| #include "chrome/common/extensions/manifest_handlers/externally_connectable.h" |
| #include "chrome/common/extensions/message_bundle.h" |
| #include "chrome/common/url_constants.h" |
| #include "chrome/renderer/chrome_render_process_observer.h" |
| #include "chrome/renderer/extensions/api_activity_logger.h" |
| #include "chrome/renderer/extensions/api_definitions_natives.h" |
| #include "chrome/renderer/extensions/app_bindings.h" |
| #include "chrome/renderer/extensions/app_runtime_custom_bindings.h" |
| #include "chrome/renderer/extensions/app_window_custom_bindings.h" |
| #include "chrome/renderer/extensions/binding_generating_native_handler.h" |
| #include "chrome/renderer/extensions/blob_native_handler.h" |
| #include "chrome/renderer/extensions/chrome_v8_context.h" |
| #include "chrome/renderer/extensions/chrome_v8_extension.h" |
| #include "chrome/renderer/extensions/content_watcher.h" |
| #include "chrome/renderer/extensions/context_menus_custom_bindings.h" |
| #include "chrome/renderer/extensions/css_native_handler.h" |
| #include "chrome/renderer/extensions/document_custom_bindings.h" |
| #include "chrome/renderer/extensions/dom_activity_logger.h" |
| #include "chrome/renderer/extensions/event_bindings.h" |
| #include "chrome/renderer/extensions/extension_groups.h" |
| #include "chrome/renderer/extensions/extension_helper.h" |
| #include "chrome/renderer/extensions/file_browser_handler_custom_bindings.h" |
| #include "chrome/renderer/extensions/file_browser_private_custom_bindings.h" |
| #include "chrome/renderer/extensions/file_system_natives.h" |
| #include "chrome/renderer/extensions/i18n_custom_bindings.h" |
| #include "chrome/renderer/extensions/id_generator_custom_bindings.h" |
| #include "chrome/renderer/extensions/logging_native_handler.h" |
| #include "chrome/renderer/extensions/media_galleries_custom_bindings.h" |
| #include "chrome/renderer/extensions/messaging_bindings.h" |
| #include "chrome/renderer/extensions/module_system.h" |
| #include "chrome/renderer/extensions/object_backed_native_handler.h" |
| #include "chrome/renderer/extensions/page_actions_custom_bindings.h" |
| #include "chrome/renderer/extensions/page_capture_custom_bindings.h" |
| #include "chrome/renderer/extensions/pepper_request_natives.h" |
| #include "chrome/renderer/extensions/render_view_observer_natives.h" |
| #include "chrome/renderer/extensions/request_sender.h" |
| #include "chrome/renderer/extensions/runtime_custom_bindings.h" |
| #include "chrome/renderer/extensions/safe_builtins.h" |
| #include "chrome/renderer/extensions/send_request_natives.h" |
| #include "chrome/renderer/extensions/set_icon_natives.h" |
| #include "chrome/renderer/extensions/sync_file_system_custom_bindings.h" |
| #include "chrome/renderer/extensions/tab_finder.h" |
| #include "chrome/renderer/extensions/tabs_custom_bindings.h" |
| #include "chrome/renderer/extensions/user_script_slave.h" |
| #include "chrome/renderer/extensions/webstore_bindings.h" |
| #include "chrome/renderer/resource_bundle_source_map.h" |
| #include "content/public/renderer/render_thread.h" |
| #include "content/public/renderer/render_view.h" |
| #include "content/public/renderer/v8_value_converter.h" |
| #include "extensions/common/constants.h" |
| #include "extensions/common/extension.h" |
| #include "extensions/common/extension_api.h" |
| #include "extensions/common/extension_urls.h" |
| #include "extensions/common/features/feature.h" |
| #include "extensions/common/features/feature_provider.h" |
| #include "extensions/common/manifest.h" |
| #include "extensions/common/manifest_constants.h" |
| #include "extensions/common/manifest_handlers/background_info.h" |
| #include "extensions/common/manifest_handlers/sandboxed_page_info.h" |
| #include "extensions/common/permissions/permission_set.h" |
| #include "extensions/common/permissions/permissions_data.h" |
| #include "extensions/common/view_type.h" |
| #include "grit/common_resources.h" |
| #include "grit/renderer_resources.h" |
| #include "third_party/WebKit/public/platform/WebString.h" |
| #include "third_party/WebKit/public/platform/WebURLRequest.h" |
| #include "third_party/WebKit/public/web/WebCustomElement.h" |
| #include "third_party/WebKit/public/web/WebDataSource.h" |
| #include "third_party/WebKit/public/web/WebDocument.h" |
| #include "third_party/WebKit/public/web/WebFrame.h" |
| #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" |
| #include "third_party/WebKit/public/web/WebScopedUserGesture.h" |
| #include "third_party/WebKit/public/web/WebSecurityPolicy.h" |
| #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" |
| #include "third_party/WebKit/public/web/WebView.h" |
| #include "ui/base/layout.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "v8/include/v8.h" |
| |
| #if defined(ENABLE_WEBRTC) |
| #include "chrome/renderer/extensions/cast_streaming_native_handler.h" |
| #endif |
| |
| using blink::WebDataSource; |
| using blink::WebDocument; |
| using blink::WebFrame; |
| using blink::WebScopedUserGesture; |
| using blink::WebSecurityPolicy; |
| using blink::WebString; |
| using blink::WebVector; |
| using blink::WebView; |
| using content::RenderThread; |
| using content::RenderView; |
| using content::UserMetricsAction; |
| |
| namespace extensions { |
| |
| namespace { |
| |
| static const int64 kInitialExtensionIdleHandlerDelayMs = 5*1000; |
| static const int64 kMaxExtensionIdleHandlerDelayMs = 5*60*1000; |
| static const char kEventDispatchFunction[] = "dispatchEvent"; |
| static const char kOnSuspendEvent[] = "runtime.onSuspend"; |
| static const char kOnSuspendCanceledEvent[] = "runtime.onSuspendCanceled"; |
| |
| // Returns the global value for "chrome" from |context|. If one doesn't exist |
| // creates a new object for it. |
| // |
| // Note that this isn't necessarily an object, since webpages can write, for |
| // example, "window.chrome = true". |
| v8::Handle<v8::Value> GetOrCreateChrome(ChromeV8Context* context) { |
| v8::Handle<v8::String> chrome_string( |
| v8::String::NewFromUtf8(context->isolate(), "chrome")); |
| v8::Handle<v8::Object> global(context->v8_context()->Global()); |
| v8::Handle<v8::Value> chrome(global->Get(chrome_string)); |
| if (chrome->IsUndefined()) { |
| chrome = v8::Object::New(); |
| global->Set(chrome_string, chrome); |
| } |
| return chrome; |
| } |
| |
| // Returns |value| cast to an object if possible, else an empty handle. |
| v8::Handle<v8::Object> AsObjectOrEmpty(v8::Handle<v8::Value> value) { |
| return value->IsObject() ? value.As<v8::Object>() : v8::Handle<v8::Object>(); |
| } |
| |
| class TestFeaturesNativeHandler : public ObjectBackedNativeHandler { |
| public: |
| explicit TestFeaturesNativeHandler(ChromeV8Context* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction("GetAPIFeatures", |
| base::Bind(&TestFeaturesNativeHandler::GetAPIFeatures, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void GetAPIFeatures(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| base::Value* value = base::JSONReader::Read( |
| ResourceBundle::GetSharedInstance().GetRawDataResource( |
| IDR_EXTENSION_API_FEATURES).as_string()); |
| scoped_ptr<content::V8ValueConverter> converter( |
| content::V8ValueConverter::create()); |
| args.GetReturnValue().Set( |
| converter->ToV8Value(value, context()->v8_context())); |
| } |
| }; |
| |
| class UserGesturesNativeHandler : public ObjectBackedNativeHandler { |
| public: |
| explicit UserGesturesNativeHandler(ChromeV8Context* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction("IsProcessingUserGesture", |
| base::Bind(&UserGesturesNativeHandler::IsProcessingUserGesture, |
| base::Unretained(this))); |
| RouteFunction("RunWithUserGesture", |
| base::Bind(&UserGesturesNativeHandler::RunWithUserGesture, |
| base::Unretained(this))); |
| RouteFunction("RunWithoutUserGesture", |
| base::Bind(&UserGesturesNativeHandler::RunWithoutUserGesture, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void IsProcessingUserGesture( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue().Set(v8::Boolean::New( |
| args.GetIsolate(), |
| blink::WebUserGestureIndicator::isProcessingUserGesture())); |
| } |
| |
| void RunWithUserGesture( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| blink::WebScopedUserGesture user_gesture; |
| CHECK_EQ(args.Length(), 1); |
| CHECK(args[0]->IsFunction()); |
| v8::Handle<v8::Value> no_args; |
| context()->CallFunction(v8::Handle<v8::Function>::Cast(args[0]), |
| 0, &no_args); |
| } |
| |
| void RunWithoutUserGesture( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| blink::WebUserGestureIndicator::consumeUserGesture(); |
| CHECK_EQ(args.Length(), 1); |
| CHECK(args[0]->IsFunction()); |
| v8::Handle<v8::Value> no_args; |
| context()->CallFunction(v8::Handle<v8::Function>::Cast(args[0]), |
| 0, &no_args); |
| } |
| }; |
| |
| class V8ContextNativeHandler : public ObjectBackedNativeHandler { |
| public: |
| V8ContextNativeHandler(ChromeV8Context* context, Dispatcher* dispatcher) |
| : ObjectBackedNativeHandler(context), |
| context_(context), |
| dispatcher_(dispatcher) { |
| RouteFunction("GetAvailability", |
| base::Bind(&V8ContextNativeHandler::GetAvailability, |
| base::Unretained(this))); |
| RouteFunction("GetModuleSystem", |
| base::Bind(&V8ContextNativeHandler::GetModuleSystem, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void GetAvailability(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK_EQ(args.Length(), 1); |
| v8::Isolate* isolate = args.GetIsolate(); |
| std::string api_name = *v8::String::Utf8Value(args[0]->ToString()); |
| Feature::Availability availability = context_->GetAvailability(api_name); |
| |
| v8::Handle<v8::Object> ret = v8::Object::New(); |
| ret->Set(v8::String::NewFromUtf8(isolate, "is_available"), |
| v8::Boolean::New(isolate, availability.is_available())); |
| ret->Set(v8::String::NewFromUtf8(isolate, "message"), |
| v8::String::NewFromUtf8(isolate, availability.message().c_str())); |
| ret->Set(v8::String::NewFromUtf8(isolate, "result"), |
| v8::Integer::New(availability.result())); |
| args.GetReturnValue().Set(ret); |
| } |
| |
| void GetModuleSystem(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK_EQ(args.Length(), 1); |
| CHECK(args[0]->IsObject()); |
| v8::Handle<v8::Context> v8_context = |
| v8::Handle<v8::Object>::Cast(args[0])->CreationContext(); |
| ChromeV8Context* context = dispatcher_->v8_context_set().GetByV8Context( |
| v8_context); |
| args.GetReturnValue().Set(context->module_system()->NewInstance()); |
| } |
| |
| ChromeV8Context* context_; |
| Dispatcher* dispatcher_; |
| }; |
| |
| class ChromeNativeHandler : public ObjectBackedNativeHandler { |
| public: |
| explicit ChromeNativeHandler(ChromeV8Context* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction("GetChrome", |
| base::Bind(&ChromeNativeHandler::GetChrome, base::Unretained(this))); |
| } |
| |
| void GetChrome(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue().Set(GetOrCreateChrome(context())); |
| } |
| }; |
| |
| class PrintNativeHandler : public ObjectBackedNativeHandler { |
| public: |
| explicit PrintNativeHandler(ChromeV8Context* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction("Print", |
| base::Bind(&PrintNativeHandler::Print, |
| base::Unretained(this))); |
| } |
| |
| void Print(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| if (args.Length() < 1) |
| return; |
| |
| std::vector<std::string> components; |
| for (int i = 0; i < args.Length(); ++i) |
| components.push_back(*v8::String::Utf8Value(args[i]->ToString())); |
| |
| LOG(ERROR) << JoinString(components, ','); |
| } |
| }; |
| |
| class LazyBackgroundPageNativeHandler : public ChromeV8Extension { |
| public: |
| LazyBackgroundPageNativeHandler(Dispatcher* dispatcher, |
| ChromeV8Context* context) |
| : ChromeV8Extension(dispatcher, context) { |
| RouteFunction("IncrementKeepaliveCount", |
| base::Bind(&LazyBackgroundPageNativeHandler::IncrementKeepaliveCount, |
| base::Unretained(this))); |
| RouteFunction("DecrementKeepaliveCount", |
| base::Bind(&LazyBackgroundPageNativeHandler::DecrementKeepaliveCount, |
| base::Unretained(this))); |
| } |
| |
| void IncrementKeepaliveCount( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| if (!context()) |
| return; |
| RenderView* render_view = context()->GetRenderView(); |
| if (IsContextLazyBackgroundPage(render_view, context()->extension())) { |
| render_view->Send(new ExtensionHostMsg_IncrementLazyKeepaliveCount( |
| render_view->GetRoutingID())); |
| } |
| } |
| |
| void DecrementKeepaliveCount( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| if (!context()) |
| return; |
| RenderView* render_view = context()->GetRenderView(); |
| if (IsContextLazyBackgroundPage(render_view, context()->extension())) { |
| render_view->Send(new ExtensionHostMsg_DecrementLazyKeepaliveCount( |
| render_view->GetRoutingID())); |
| } |
| } |
| |
| private: |
| bool IsContextLazyBackgroundPage(RenderView* render_view, |
| const Extension* extension) { |
| if (!render_view) |
| return false; |
| |
| ExtensionHelper* helper = ExtensionHelper::Get(render_view); |
| return (extension && BackgroundInfo::HasLazyBackgroundPage(extension) && |
| helper->view_type() == VIEW_TYPE_EXTENSION_BACKGROUND_PAGE); |
| } |
| }; |
| |
| class ProcessInfoNativeHandler : public ChromeV8Extension { |
| public: |
| ProcessInfoNativeHandler(Dispatcher* dispatcher, |
| ChromeV8Context* context, |
| const std::string& extension_id, |
| const std::string& context_type, |
| bool is_incognito_context, |
| int manifest_version, |
| bool send_request_disabled) |
| : ChromeV8Extension(dispatcher, context), |
| extension_id_(extension_id), |
| context_type_(context_type), |
| is_incognito_context_(is_incognito_context), |
| manifest_version_(manifest_version), |
| send_request_disabled_(send_request_disabled) { |
| RouteFunction("GetExtensionId", |
| base::Bind(&ProcessInfoNativeHandler::GetExtensionId, |
| base::Unretained(this))); |
| RouteFunction("GetContextType", |
| base::Bind(&ProcessInfoNativeHandler::GetContextType, |
| base::Unretained(this))); |
| RouteFunction("InIncognitoContext", |
| base::Bind(&ProcessInfoNativeHandler::InIncognitoContext, |
| base::Unretained(this))); |
| RouteFunction("GetManifestVersion", |
| base::Bind(&ProcessInfoNativeHandler::GetManifestVersion, |
| base::Unretained(this))); |
| RouteFunction("IsSendRequestDisabled", |
| base::Bind(&ProcessInfoNativeHandler::IsSendRequestDisabled, |
| base::Unretained(this))); |
| RouteFunction("HasSwitch", |
| base::Bind(&ProcessInfoNativeHandler::HasSwitch, |
| base::Unretained(this))); |
| } |
| |
| private: |
| void GetExtensionId(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue() |
| .Set(v8::String::NewFromUtf8(args.GetIsolate(), extension_id_.c_str())); |
| } |
| |
| void GetContextType(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue() |
| .Set(v8::String::NewFromUtf8(args.GetIsolate(), context_type_.c_str())); |
| } |
| |
| void InIncognitoContext(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue().Set(is_incognito_context_); |
| } |
| |
| void GetManifestVersion(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue().Set(static_cast<int32_t>(manifest_version_)); |
| } |
| |
| void IsSendRequestDisabled(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| if (send_request_disabled_) { |
| args.GetReturnValue().Set(v8::String::NewFromUtf8(args.GetIsolate(), |
| "sendRequest and onRequest are obsolete." |
| " Please use sendMessage and onMessage instead.")); |
| } |
| } |
| |
| void HasSwitch(const v8::FunctionCallbackInfo<v8::Value>& args) { |
| CHECK(args.Length() == 1 && args[0]->IsString()); |
| bool has_switch = CommandLine::ForCurrentProcess()->HasSwitch( |
| *v8::String::Utf8Value(args[0])); |
| args.GetReturnValue().Set(v8::Boolean::New(args.GetIsolate(), has_switch)); |
| } |
| |
| std::string extension_id_; |
| std::string context_type_; |
| bool is_incognito_context_; |
| int manifest_version_; |
| bool send_request_disabled_; |
| }; |
| |
| void InstallAppBindings(ModuleSystem* module_system, |
| v8::Handle<v8::Object> chrome) { |
| module_system->SetLazyField(chrome, "app", "app", "chromeApp"); |
| } |
| |
| void InstallWebstoreBindings(ModuleSystem* module_system, |
| v8::Handle<v8::Object> chrome) { |
| module_system->SetLazyField(chrome, "webstore", "webstore", "chromeWebstore"); |
| } |
| |
| // Calls a method |method_name| in a module |module_name| belonging to the |
| // module system from |context|. Intended as a callback target from |
| // ChromeV8ContextSet::ForEach. |
| void CallModuleMethod(const std::string& module_name, |
| const std::string& method_name, |
| const base::ListValue* args, |
| ChromeV8Context* context) { |
| v8::HandleScope handle_scope(context->isolate()); |
| v8::Context::Scope context_scope(context->v8_context()); |
| |
| scoped_ptr<content::V8ValueConverter> converter( |
| content::V8ValueConverter::create()); |
| |
| std::vector<v8::Handle<v8::Value> > arguments; |
| for (base::ListValue::const_iterator it = args->begin(); it != args->end(); |
| ++it) { |
| arguments.push_back(converter->ToV8Value(*it, context->v8_context())); |
| } |
| |
| context->module_system()->CallModuleMethod( |
| module_name, method_name, &arguments); |
| } |
| |
| } // namespace |
| |
| Dispatcher::Dispatcher() |
| : content_watcher_(new ContentWatcher()), |
| is_webkit_initialized_(false), |
| webrequest_adblock_(false), |
| webrequest_adblock_plus_(false), |
| webrequest_other_(false), |
| source_map_(&ResourceBundle::GetSharedInstance()), |
| v8_schema_registry_(new V8SchemaRegistry) { |
| const CommandLine& command_line = *(CommandLine::ForCurrentProcess()); |
| is_extension_process_ = |
| command_line.HasSwitch(switches::kExtensionProcess) || |
| command_line.HasSwitch(switches::kSingleProcess); |
| |
| if (is_extension_process_) { |
| RenderThread::Get()->SetIdleNotificationDelayInMs( |
| kInitialExtensionIdleHandlerDelayMs); |
| } |
| |
| RenderThread::Get()->RegisterExtension(SafeBuiltins::CreateV8Extension()); |
| |
| user_script_slave_.reset(new UserScriptSlave(&extensions_)); |
| request_sender_.reset(new RequestSender(this)); |
| PopulateSourceMap(); |
| PopulateLazyBindingsMap(); |
| } |
| |
| Dispatcher::~Dispatcher() { |
| } |
| |
| bool Dispatcher::OnControlMessageReceived(const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(Dispatcher, message) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_SetChannel, OnSetChannel) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_MessageInvoke, OnMessageInvoke) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnConnect, OnDispatchOnConnect) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_DeliverMessage, OnDeliverMessage) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_DispatchOnDisconnect, |
| OnDispatchOnDisconnect) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_SetFunctionNames, OnSetFunctionNames) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_SetSystemFont, OnSetSystemFont) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_Loaded, OnLoaded) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_Unloaded, OnUnloaded) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_SetScriptingWhitelist, |
| OnSetScriptingWhitelist) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_ActivateExtension, OnActivateExtension) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_UpdatePermissions, OnUpdatePermissions) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_UpdateTabSpecificPermissions, |
| OnUpdateTabSpecificPermissions) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_ClearTabSpecificPermissions, |
| OnClearTabSpecificPermissions) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_UpdateUserScripts, OnUpdateUserScripts) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_UsingWebRequestAPI, OnUsingWebRequestAPI) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_ShouldSuspend, OnShouldSuspend) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_Suspend, OnSuspend) |
| IPC_MESSAGE_HANDLER(ExtensionMsg_CancelSuspend, OnCancelSuspend) |
| IPC_MESSAGE_FORWARD(ExtensionMsg_WatchPages, |
| content_watcher_.get(), ContentWatcher::OnWatchPages) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| |
| return handled; |
| } |
| |
| void Dispatcher::WebKitInitialized() { |
| // For extensions, we want to ensure we call the IdleHandler every so often, |
| // even if the extension keeps up activity. |
| if (is_extension_process_) { |
| forced_idle_timer_.Start(FROM_HERE, |
| base::TimeDelta::FromMilliseconds(kMaxExtensionIdleHandlerDelayMs), |
| RenderThread::Get(), &RenderThread::IdleHandler); |
| } |
| |
| // Initialize host permissions for any extensions that were activated before |
| // WebKit was initialized. |
| for (std::set<std::string>::iterator iter = active_extension_ids_.begin(); |
| iter != active_extension_ids_.end(); ++iter) { |
| const Extension* extension = extensions_.GetByID(*iter); |
| CHECK(extension); |
| InitOriginPermissions(extension); |
| } |
| |
| EnableCustomElementWhiteList(); |
| |
| is_webkit_initialized_ = true; |
| } |
| |
| void Dispatcher::IdleNotification() { |
| if (is_extension_process_) { |
| // Dampen the forced delay as well if the extension stays idle for long |
| // periods of time. |
| int64 forced_delay_ms = std::max( |
| RenderThread::Get()->GetIdleNotificationDelayInMs(), |
| kMaxExtensionIdleHandlerDelayMs); |
| forced_idle_timer_.Stop(); |
| forced_idle_timer_.Start(FROM_HERE, |
| base::TimeDelta::FromMilliseconds(forced_delay_ms), |
| RenderThread::Get(), &RenderThread::IdleHandler); |
| } |
| } |
| |
| void Dispatcher::OnRenderProcessShutdown() { |
| v8_schema_registry_.reset(); |
| } |
| |
| void Dispatcher::OnSetFunctionNames( |
| const std::vector<std::string>& names) { |
| function_names_.clear(); |
| for (size_t i = 0; i < names.size(); ++i) |
| function_names_.insert(names[i]); |
| } |
| |
| void Dispatcher::OnSetSystemFont(const std::string& font_family, |
| const std::string& font_size) { |
| system_font_family_ = font_family; |
| system_font_size_ = font_size; |
| } |
| |
| void Dispatcher::OnSetChannel(int channel) { |
| SetCurrentChannel(static_cast<chrome::VersionInfo::Channel>(channel)); |
| } |
| |
| void Dispatcher::OnMessageInvoke(const std::string& extension_id, |
| const std::string& module_name, |
| const std::string& function_name, |
| const base::ListValue& args, |
| bool user_gesture) { |
| InvokeModuleSystemMethod( |
| NULL, extension_id, module_name, function_name, args, user_gesture); |
| } |
| |
| void Dispatcher::OnDispatchOnConnect( |
| int target_port_id, |
| const std::string& channel_name, |
| const base::DictionaryValue& source_tab, |
| const ExtensionMsg_ExternalConnectionInfo& info, |
| const std::string& tls_channel_id) { |
| MessagingBindings::DispatchOnConnect( |
| v8_context_set_.GetAll(), |
| target_port_id, channel_name, source_tab, |
| info.source_id, info.target_id, info.source_url, |
| tls_channel_id, |
| NULL); // All render views. |
| } |
| |
| void Dispatcher::OnDeliverMessage(int target_port_id, |
| const Message& message) { |
| MessagingBindings::DeliverMessage( |
| v8_context_set_.GetAll(), |
| target_port_id, |
| message, |
| NULL); // All render views. |
| } |
| |
| void Dispatcher::OnDispatchOnDisconnect(int port_id, |
| const std::string& error_message) { |
| MessagingBindings::DispatchOnDisconnect( |
| v8_context_set_.GetAll(), |
| port_id, error_message, |
| NULL); // All render views. |
| } |
| |
| void Dispatcher::OnLoaded( |
| const std::vector<ExtensionMsg_Loaded_Params>& loaded_extensions) { |
| std::vector<ExtensionMsg_Loaded_Params>::const_iterator i; |
| for (i = loaded_extensions.begin(); i != loaded_extensions.end(); ++i) { |
| std::string error; |
| scoped_refptr<const Extension> extension = i->ConvertToExtension(&error); |
| if (!extension.get()) { |
| extension_load_errors_[i->id] = error; |
| continue; |
| } |
| OnLoadedInternal(extension); |
| } |
| // Update the available bindings for all contexts. These may have changed if |
| // an externally_connectable extension was loaded that can connect to an |
| // open webpage. |
| AddOrRemoveBindings(""); |
| } |
| |
| void Dispatcher::OnLoadedInternal(scoped_refptr<const Extension> extension) { |
| extensions_.Insert(extension); |
| } |
| |
| void Dispatcher::OnUnloaded(const std::string& id) { |
| extensions_.Remove(id); |
| active_extension_ids_.erase(id); |
| |
| // If the extension is later reloaded with a different set of permissions, |
| // we'd like it to get a new isolated world ID, so that it can pick up the |
| // changed origin whitelist. |
| user_script_slave_->RemoveIsolatedWorld(id); |
| |
| // Invalidate all of the contexts that were removed. |
| // TODO(kalman): add an invalidation observer interface to ChromeV8Context. |
| ChromeV8ContextSet::ContextSet removed_contexts = |
| v8_context_set_.OnExtensionUnloaded(id); |
| for (ChromeV8ContextSet::ContextSet::iterator it = removed_contexts.begin(); |
| it != removed_contexts.end(); ++it) { |
| request_sender_->InvalidateSource(*it); |
| } |
| |
| // Update the available bindings for the remaining contexts. These may have |
| // changed if an externally_connectable extension is unloaded and a webpage |
| // is no longer accessible. |
| AddOrRemoveBindings(""); |
| |
| // Invalidates the messages map for the extension in case the extension is |
| // reloaded with a new messages map. |
| EraseL10nMessagesMap(id); |
| |
| // We don't do anything with existing platform-app stylesheets. They will |
| // stay resident, but the URL pattern corresponding to the unloaded |
| // extension's URL just won't match anything anymore. |
| } |
| |
| void Dispatcher::OnSetScriptingWhitelist( |
| const ExtensionsClient::ScriptingWhitelist& extension_ids) { |
| ExtensionsClient::Get()->SetScriptingWhitelist(extension_ids); |
| } |
| |
| bool Dispatcher::IsExtensionActive( |
| const std::string& extension_id) const { |
| bool is_active = |
| active_extension_ids_.find(extension_id) != active_extension_ids_.end(); |
| if (is_active) |
| CHECK(extensions_.Contains(extension_id)); |
| return is_active; |
| } |
| |
| v8::Handle<v8::Object> Dispatcher::GetOrCreateObject( |
| v8::Handle<v8::Object> object, |
| const std::string& field, |
| v8::Isolate* isolate) { |
| v8::Handle<v8::String> key = v8::String::NewFromUtf8(isolate, field.c_str()); |
| // If the object has a callback property, it is assumed it is an unavailable |
| // API, so it is safe to delete. This is checked before GetOrCreateObject is |
| // called. |
| if (object->HasRealNamedCallbackProperty(key)) { |
| object->Delete(key); |
| } else if (object->HasRealNamedProperty(key)) { |
| v8::Handle<v8::Value> value = object->Get(key); |
| CHECK(value->IsObject()); |
| return v8::Handle<v8::Object>::Cast(value); |
| } |
| |
| v8::Handle<v8::Object> new_object = v8::Object::New(); |
| object->Set(key, new_object); |
| return new_object; |
| } |
| |
| void Dispatcher::AddOrRemoveBindingsForContext(ChromeV8Context* context) { |
| v8::HandleScope handle_scope(context->isolate()); |
| v8::Context::Scope context_scope(context->v8_context()); |
| |
| // TODO(kalman): Make the bindings registration have zero overhead then run |
| // the same code regardless of context type. |
| switch (context->context_type()) { |
| case Feature::UNSPECIFIED_CONTEXT: |
| case Feature::WEB_PAGE_CONTEXT: |
| case Feature::BLESSED_WEB_PAGE_CONTEXT: { |
| // Web page context; it's too expensive to run the full bindings code. |
| // Hard-code that the app and webstore APIs are available... |
| RegisterBinding("app", context); |
| RegisterBinding("webstore", context); |
| |
| // ... and that the runtime API might be available if any extension can |
| // connect to it. |
| bool runtime_is_available = false; |
| for (ExtensionSet::const_iterator it = extensions_.begin(); |
| it != extensions_.end(); ++it) { |
| ExternallyConnectableInfo* info = |
| static_cast<ExternallyConnectableInfo*>((*it)->GetManifestData( |
| manifest_keys::kExternallyConnectable)); |
| if (info && info->matches.MatchesURL(context->GetURL())) { |
| runtime_is_available = true; |
| break; |
| } |
| } |
| if (runtime_is_available) |
| RegisterBinding("runtime", context); |
| break; |
| } |
| |
| case Feature::BLESSED_EXTENSION_CONTEXT: |
| case Feature::UNBLESSED_EXTENSION_CONTEXT: |
| case Feature::CONTENT_SCRIPT_CONTEXT: { |
| // Extension context; iterate through all the APIs and bind the available |
| // ones. |
| FeatureProvider* api_feature_provider = FeatureProvider::GetAPIFeatures(); |
| const std::vector<std::string>& apis = |
| api_feature_provider->GetAllFeatureNames(); |
| for (std::vector<std::string>::const_iterator it = apis.begin(); |
| it != apis.end(); ++it) { |
| const std::string& api_name = *it; |
| Feature* feature = api_feature_provider->GetFeature(api_name); |
| DCHECK(feature); |
| |
| // Internal APIs are included via require(api_name) from internal code |
| // rather than chrome[api_name]. |
| if (feature->IsInternal()) |
| continue; |
| |
| // If this API name has parent features, then this must be a function or |
| // event, so we should not register. |
| bool parent_feature_available = false; |
| for (Feature* parent = api_feature_provider->GetParent(feature); |
| parent != NULL; parent = api_feature_provider->GetParent(parent)) { |
| if (context->IsAnyFeatureAvailableToContext(parent->name())) { |
| parent_feature_available = true; |
| break; |
| } |
| } |
| if (parent_feature_available) |
| continue; |
| |
| if (context->IsAnyFeatureAvailableToContext(api_name)) |
| RegisterBinding(api_name, context); |
| } |
| break; |
| } |
| } |
| } |
| |
| v8::Handle<v8::Object> Dispatcher::GetOrCreateBindObjectIfAvailable( |
| const std::string& api_name, |
| std::string* bind_name, |
| ChromeV8Context* context) { |
| std::vector<std::string> split; |
| base::SplitString(api_name, '.', &split); |
| |
| v8::Handle<v8::Object> bind_object; |
| |
| // Check if this API has an ancestor. If the API's ancestor is available and |
| // the API is not available, don't install the bindings for this API. If |
| // the API is available and its ancestor is not, delete the ancestor and |
| // install the bindings for the API. This is to prevent loading the ancestor |
| // API schema if it will not be needed. |
| // |
| // For example: |
| // If app is available and app.window is not, just install app. |
| // If app.window is available and app is not, delete app and install |
| // app.window on a new object so app does not have to be loaded. |
| FeatureProvider* api_feature_provider = FeatureProvider::GetAPIFeatures(); |
| std::string ancestor_name; |
| bool only_ancestor_available = false; |
| |
| for (size_t i = 0; i < split.size() - 1; ++i) { |
| ancestor_name += (i ? ".": "") + split[i]; |
| if (api_feature_provider->GetFeature(ancestor_name) && |
| context->GetAvailability(ancestor_name).is_available() && |
| !context->GetAvailability(api_name).is_available()) { |
| only_ancestor_available = true; |
| break; |
| } |
| |
| if (bind_object.IsEmpty()) { |
| bind_object = AsObjectOrEmpty(GetOrCreateChrome(context)); |
| if (bind_object.IsEmpty()) |
| return v8::Handle<v8::Object>(); |
| } |
| bind_object = GetOrCreateObject(bind_object, split[i], context->isolate()); |
| } |
| |
| if (only_ancestor_available) |
| return v8::Handle<v8::Object>(); |
| |
| if (bind_name) |
| *bind_name = split.back(); |
| |
| return bind_object.IsEmpty() ? |
| AsObjectOrEmpty(GetOrCreateChrome(context)) : bind_object; |
| } |
| |
| void Dispatcher::RegisterBinding(const std::string& api_name, |
| ChromeV8Context* context) { |
| std::string bind_name; |
| v8::Handle<v8::Object> bind_object = |
| GetOrCreateBindObjectIfAvailable(api_name, &bind_name, context); |
| |
| // Empty if the bind object failed to be created, probably because the |
| // extension overrode chrome with a non-object, e.g. window.chrome = true. |
| if (bind_object.IsEmpty()) |
| return; |
| |
| v8::Local<v8::String> v8_api_name = |
| v8::String::NewFromUtf8(context->isolate(), api_name.c_str()); |
| if (bind_object->HasRealNamedProperty(v8_api_name)) { |
| // The bind object may already have the property if the API has been |
| // registered before (or if the extension has put something there already, |
| // but, whatevs). |
| // |
| // In the former case, we need to re-register the bindings for the APIs |
| // which the extension now has permissions for (if any), but not touch any |
| // others so that we don't destroy state such as event listeners. |
| // |
| // TODO(kalman): Only register available APIs to make this all moot. |
| if (bind_object->HasRealNamedCallbackProperty(v8_api_name)) |
| return; // lazy binding still there, nothing to do |
| if (bind_object->Get(v8_api_name)->IsObject()) |
| return; // binding has already been fully installed |
| } |
| |
| ModuleSystem* module_system = context->module_system(); |
| if (lazy_bindings_map_.find(api_name) != lazy_bindings_map_.end()) { |
| InstallBindings(module_system, context->v8_context(), api_name); |
| } else if (!source_map_.Contains(api_name)) { |
| module_system->RegisterNativeHandler( |
| api_name, |
| scoped_ptr<NativeHandler>(new BindingGeneratingNativeHandler( |
| module_system, |
| api_name, |
| "binding"))); |
| module_system->SetNativeLazyField(bind_object, |
| bind_name, |
| api_name, |
| "binding"); |
| } else { |
| module_system->SetLazyField(bind_object, |
| bind_name, |
| api_name, |
| "binding"); |
| } |
| } |
| |
| // NOTE: please use the naming convention "foo_natives" for these. |
| void Dispatcher::RegisterNativeHandlers(ModuleSystem* module_system, |
| ChromeV8Context* context) { |
| module_system->RegisterNativeHandler("event_natives", |
| scoped_ptr<NativeHandler>(EventBindings::Create(this, context))); |
| module_system->RegisterNativeHandler("messaging_natives", |
| scoped_ptr<NativeHandler>(MessagingBindings::Get(this, context))); |
| module_system->RegisterNativeHandler("apiDefinitions", |
| scoped_ptr<NativeHandler>(new ApiDefinitionsNatives(this, context))); |
| module_system->RegisterNativeHandler("sendRequest", |
| scoped_ptr<NativeHandler>( |
| new SendRequestNatives(this, request_sender_.get(), context))); |
| module_system->RegisterNativeHandler("setIcon", |
| scoped_ptr<NativeHandler>( |
| new SetIconNatives(this, request_sender_.get(), context))); |
| module_system->RegisterNativeHandler("activityLogger", |
| scoped_ptr<NativeHandler>(new APIActivityLogger(this, context))); |
| module_system->RegisterNativeHandler("renderViewObserverNatives", |
| scoped_ptr<NativeHandler>(new RenderViewObserverNatives(this, context))); |
| |
| // Natives used by multiple APIs. |
| module_system->RegisterNativeHandler("file_system_natives", |
| scoped_ptr<NativeHandler>(new FileSystemNatives(context))); |
| |
| // Custom bindings. |
| module_system->RegisterNativeHandler("app", |
| scoped_ptr<NativeHandler>(new AppBindings(this, context))); |
| module_system->RegisterNativeHandler("app_runtime", |
| scoped_ptr<NativeHandler>( |
| new AppRuntimeCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("app_window_natives", |
| scoped_ptr<NativeHandler>( |
| new AppWindowCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("blob_natives", |
| scoped_ptr<NativeHandler>(new BlobNativeHandler(context))); |
| module_system->RegisterNativeHandler("context_menus", |
| scoped_ptr<NativeHandler>( |
| new ContextMenusCustomBindings(this, context))); |
| module_system->RegisterNativeHandler( |
| "css_natives", scoped_ptr<NativeHandler>(new CssNativeHandler(context))); |
| module_system->RegisterNativeHandler("document_natives", |
| scoped_ptr<NativeHandler>( |
| new DocumentCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("sync_file_system", |
| scoped_ptr<NativeHandler>( |
| new SyncFileSystemCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("file_browser_handler", |
| scoped_ptr<NativeHandler>(new FileBrowserHandlerCustomBindings( |
| this, context))); |
| module_system->RegisterNativeHandler("file_browser_private", |
| scoped_ptr<NativeHandler>(new FileBrowserPrivateCustomBindings( |
| this, context))); |
| module_system->RegisterNativeHandler("i18n", |
| scoped_ptr<NativeHandler>( |
| new I18NCustomBindings(this, context))); |
| module_system->RegisterNativeHandler( |
| "id_generator", |
| scoped_ptr<NativeHandler>(new IdGeneratorCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("mediaGalleries", |
| scoped_ptr<NativeHandler>( |
| new MediaGalleriesCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("page_actions", |
| scoped_ptr<NativeHandler>( |
| new PageActionsCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("page_capture", |
| scoped_ptr<NativeHandler>( |
| new PageCaptureCustomBindings(this, context))); |
| module_system->RegisterNativeHandler( |
| "pepper_request_natives", |
| scoped_ptr<NativeHandler>(new PepperRequestNatives(context))); |
| module_system->RegisterNativeHandler("runtime", |
| scoped_ptr<NativeHandler>(new RuntimeCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("tabs", |
| scoped_ptr<NativeHandler>(new TabsCustomBindings(this, context))); |
| module_system->RegisterNativeHandler("webstore", |
| scoped_ptr<NativeHandler>(new WebstoreBindings(this, context))); |
| #if defined(ENABLE_WEBRTC) |
| module_system->RegisterNativeHandler("cast_streaming_natives", |
| scoped_ptr<NativeHandler>(new CastStreamingNativeHandler(context))); |
| #endif |
| } |
| |
| void Dispatcher::PopulateSourceMap() { |
| // Libraries. |
| source_map_.RegisterSource("entryIdManager", IDR_ENTRY_ID_MANAGER); |
| source_map_.RegisterSource(kEventBindings, IDR_EVENT_BINDINGS_JS); |
| source_map_.RegisterSource("imageUtil", IDR_IMAGE_UTIL_JS); |
| source_map_.RegisterSource("json_schema", IDR_JSON_SCHEMA_JS); |
| source_map_.RegisterSource("lastError", IDR_LAST_ERROR_JS); |
| source_map_.RegisterSource("messaging", IDR_MESSAGING_JS); |
| source_map_.RegisterSource("messaging_utils", IDR_MESSAGING_UTILS_JS); |
| source_map_.RegisterSource("pepper_request", IDR_PEPPER_REQUEST_JS); |
| source_map_.RegisterSource(kSchemaUtils, IDR_SCHEMA_UTILS_JS); |
| source_map_.RegisterSource("sendRequest", IDR_SEND_REQUEST_JS); |
| source_map_.RegisterSource("setIcon", IDR_SET_ICON_JS); |
| source_map_.RegisterSource("test", IDR_TEST_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("unload_event", IDR_UNLOAD_EVENT_JS); |
| source_map_.RegisterSource("utils", IDR_UTILS_JS); |
| |
| // Custom bindings. |
| source_map_.RegisterSource("app", IDR_APP_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("app.runtime", IDR_APP_RUNTIME_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("app.window", IDR_APP_WINDOW_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("bluetooth", IDR_BLUETOOTH_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("browserAction", |
| IDR_BROWSER_ACTION_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("contextMenus", |
| IDR_CONTEXT_MENUS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("declarativeContent", |
| IDR_DECLARATIVE_CONTENT_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("declarativeWebRequest", |
| IDR_DECLARATIVE_WEBREQUEST_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("desktopCapture", |
| IDR_DESKTOP_CAPTURE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("downloads", |
| IDR_DOWNLOADS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("experimental.offscreen", |
| IDR_EXPERIMENTAL_OFFSCREENTABS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("extension", IDR_EXTENSION_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("feedbackPrivate", |
| IDR_FEEDBACK_PRIVATE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("fileBrowserHandler", |
| IDR_FILE_BROWSER_HANDLER_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("fileBrowserPrivate", |
| IDR_FILE_BROWSER_PRIVATE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("fileSystem", |
| IDR_FILE_SYSTEM_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("fileSystemProvider", |
| IDR_FILE_SYSTEM_PROVIDER_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("gcm", |
| IDR_GCM_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("i18n", IDR_I18N_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("identity", IDR_IDENTITY_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("imageWriterPrivate", |
| IDR_IMAGE_WRITER_PRIVATE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("input.ime", IDR_INPUT_IME_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("mediaGalleries", |
| IDR_MEDIA_GALLERIES_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("notifications", |
| IDR_NOTIFICATIONS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("omnibox", IDR_OMNIBOX_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("pageActions", |
| IDR_PAGE_ACTIONS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("pageAction", IDR_PAGE_ACTION_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("pageCapture", |
| IDR_PAGE_CAPTURE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("permissions", IDR_PERMISSIONS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("runtime", IDR_RUNTIME_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("syncFileSystem", |
| IDR_SYNC_FILE_SYSTEM_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("systemIndicator", |
| IDR_SYSTEM_INDICATOR_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("tabCapture", IDR_TAB_CAPTURE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("tabs", IDR_TABS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("tts", IDR_TTS_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("ttsEngine", IDR_TTS_ENGINE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("webRequest", IDR_WEB_REQUEST_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("webRequestInternal", |
| IDR_WEB_REQUEST_INTERNAL_CUSTOM_BINDINGS_JS); |
| #if defined(ENABLE_WEBRTC) |
| source_map_.RegisterSource("cast.streaming.rtpStream", |
| IDR_CAST_STREAMING_RTP_STREAM_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("cast.streaming.session", |
| IDR_CAST_STREAMING_SESSION_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource( |
| "cast.streaming.udpTransport", |
| IDR_CAST_STREAMING_UDP_TRANSPORT_CUSTOM_BINDINGS_JS); |
| #endif |
| source_map_.RegisterSource("webstore", IDR_WEBSTORE_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("windowControls", IDR_WINDOW_CONTROLS_JS); |
| source_map_.RegisterSource("binding", IDR_BINDING_JS); |
| |
| // Custom types sources. |
| source_map_.RegisterSource("ChromeSetting", IDR_CHROME_SETTING_JS); |
| source_map_.RegisterSource("StorageArea", IDR_STORAGE_AREA_JS); |
| source_map_.RegisterSource("ContentSetting", IDR_CONTENT_SETTING_JS); |
| source_map_.RegisterSource("ChromeDirectSetting", |
| IDR_CHROME_DIRECT_SETTING_JS); |
| |
| // Platform app sources that are not API-specific.. |
| source_map_.RegisterSource("tagWatcher", IDR_TAG_WATCHER_JS); |
| // Note: webView not webview so that this doesn't interfere with the |
| // chrome.webview API bindings. |
| source_map_.RegisterSource("webView", IDR_WEB_VIEW_JS); |
| source_map_.RegisterSource("webViewExperimental", |
| IDR_WEB_VIEW_EXPERIMENTAL_JS); |
| source_map_.RegisterSource("webViewRequest", |
| IDR_WEB_VIEW_REQUEST_CUSTOM_BINDINGS_JS); |
| source_map_.RegisterSource("denyWebView", IDR_WEB_VIEW_DENY_JS); |
| source_map_.RegisterSource("adView", IDR_AD_VIEW_JS); |
| source_map_.RegisterSource("denyAdView", IDR_AD_VIEW_DENY_JS); |
| source_map_.RegisterSource("platformApp", IDR_PLATFORM_APP_JS); |
| source_map_.RegisterSource("injectAppTitlebar", IDR_INJECT_APP_TITLEBAR_JS); |
| } |
| |
| void Dispatcher::PopulateLazyBindingsMap() { |
| lazy_bindings_map_["app"] = InstallAppBindings; |
| lazy_bindings_map_["webstore"] = InstallWebstoreBindings; |
| } |
| |
| void Dispatcher::InstallBindings(ModuleSystem* module_system, |
| v8::Handle<v8::Context> v8_context, |
| const std::string& api) { |
| std::map<std::string, BindingInstaller>::const_iterator lazy_binding = |
| lazy_bindings_map_.find(api); |
| if (lazy_binding != lazy_bindings_map_.end()) { |
| v8::Handle<v8::Object> global(v8_context->Global()); |
| v8::Handle<v8::Object> chrome = |
| global->Get(v8::String::NewFromUtf8(v8_context->GetIsolate(), "chrome")) |
| ->ToObject(); |
| (*lazy_binding->second)(module_system, chrome); |
| } else { |
| module_system->Require(api); |
| } |
| } |
| |
| void Dispatcher::DidCreateScriptContext( |
| WebFrame* frame, v8::Handle<v8::Context> v8_context, int extension_group, |
| int world_id) { |
| #if !defined(ENABLE_EXTENSIONS) |
| return; |
| #endif |
| |
| std::string extension_id = GetExtensionID(frame, world_id); |
| |
| const Extension* extension = extensions_.GetByID(extension_id); |
| if (!extension && !extension_id.empty()) { |
| // There are conditions where despite a context being associated with an |
| // extension, no extension actually gets found. Ignore "invalid" because |
| // CSP blocks extension page loading by switching the extension ID to |
| // "invalid". This isn't interesting. |
| if (extension_id != "invalid") { |
| LOG(ERROR) << "Extension \"" << extension_id << "\" not found"; |
| RenderThread::Get()->RecordAction( |
| UserMetricsAction("ExtensionNotFound_ED")); |
| } |
| |
| extension_id = ""; |
| } |
| |
| Feature::Context context_type = ClassifyJavaScriptContext( |
| extension, |
| extension_group, |
| UserScriptSlave::GetDataSourceURLForFrame(frame), |
| frame->document().securityOrigin()); |
| |
| ChromeV8Context* context = |
| new ChromeV8Context(v8_context, frame, extension, context_type); |
| v8_context_set_.Add(context); |
| |
| { |
| scoped_ptr<ModuleSystem> module_system(new ModuleSystem(context, |
| &source_map_)); |
| context->set_module_system(module_system.Pass()); |
| } |
| ModuleSystem* module_system = context->module_system(); |
| |
| // Enable natives in startup. |
| ModuleSystem::NativesEnabledScope natives_enabled_scope( |
| module_system); |
| |
| RegisterNativeHandlers(module_system, context); |
| |
| module_system->RegisterNativeHandler("chrome", |
| scoped_ptr<NativeHandler>(new ChromeNativeHandler(context))); |
| module_system->RegisterNativeHandler("print", |
| scoped_ptr<NativeHandler>(new PrintNativeHandler(context))); |
| module_system->RegisterNativeHandler("lazy_background_page", |
| scoped_ptr<NativeHandler>( |
| new LazyBackgroundPageNativeHandler(this, context))); |
| module_system->RegisterNativeHandler("logging", |
| scoped_ptr<NativeHandler>(new LoggingNativeHandler(context))); |
| module_system->RegisterNativeHandler("schema_registry", |
| v8_schema_registry_->AsNativeHandler()); |
| module_system->RegisterNativeHandler("v8_context", |
| scoped_ptr<NativeHandler>(new V8ContextNativeHandler(context, this))); |
| module_system->RegisterNativeHandler("test_features", |
| scoped_ptr<NativeHandler>(new TestFeaturesNativeHandler(context))); |
| module_system->RegisterNativeHandler("user_gestures", |
| scoped_ptr<NativeHandler>(new UserGesturesNativeHandler(context))); |
| |
| int manifest_version = extension ? extension->manifest_version() : 1; |
| bool send_request_disabled = |
| (extension && Manifest::IsUnpackedLocation(extension->location()) && |
| BackgroundInfo::HasLazyBackgroundPage(extension)); |
| module_system->RegisterNativeHandler("process", |
| scoped_ptr<NativeHandler>(new ProcessInfoNativeHandler( |
| this, context, context->GetExtensionID(), |
| context->GetContextTypeDescription(), |
| ChromeRenderProcessObserver::is_incognito_process(), |
| manifest_version, send_request_disabled))); |
| |
| // chrome.Event is part of the public API (although undocumented). Make it |
| // lazily evalulate to Event from event_bindings.js. For extensions only |
| // though, not all webpages! |
| if (context->extension()) { |
| v8::Handle<v8::Object> chrome = AsObjectOrEmpty(GetOrCreateChrome(context)); |
| if (!chrome.IsEmpty()) |
| module_system->SetLazyField(chrome, "Event", kEventBindings, "Event"); |
| } |
| |
| AddOrRemoveBindingsForContext(context); |
| |
| bool is_within_platform_app = IsWithinPlatformApp(); |
| // Inject custom JS into the platform app context. |
| if (is_within_platform_app) { |
| module_system->Require("platformApp"); |
| } |
| |
| if (context_type == Feature::BLESSED_EXTENSION_CONTEXT && |
| is_within_platform_app && |
| GetCurrentChannel() <= chrome::VersionInfo::CHANNEL_DEV && |
| CommandLine::ForCurrentProcess()->HasSwitch( |
| switches::kEnableAppWindowControls)) { |
| module_system->Require("windowControls"); |
| } |
| |
| // Currently only platform apps and whitelisted component extensions support |
| // the <webview> tag, because the "denyWebView" module will affect the |
| // performance of DOM modifications (http://crbug.com/196453). |
| // We used to limit WebView to |BLESSED_EXTENSION_CONTEXT| within platform |
| // apps. An ext/app runs in a blessed extension context, if it is the active |
| // extension in the current process, in other words, if it is loaded in a top |
| // frame. To support webview in a non-frame extension, we have to allow |
| // unblessed extension context as well. |
| if (context_type == Feature::BLESSED_EXTENSION_CONTEXT || |
| context_type == Feature::UNBLESSED_EXTENSION_CONTEXT) { |
| // Note: setting up the WebView class here, not the chrome.webview API. |
| // The API will be automatically set up when first used. |
| if (extension->HasAPIPermission(APIPermission::kWebView)) { |
| module_system->Require("webView"); |
| bool includeExperimental = |
| GetCurrentChannel() <= chrome::VersionInfo::CHANNEL_DEV; |
| if (!includeExperimental) { |
| // TODO(asargent) We need a whitelist for webview experimental. |
| // crbug.com/264852 |
| std::string id_hash = base::SHA1HashString(extension->id()); |
| std::string hexencoded_id_hash = base::HexEncode(id_hash.c_str(), |
| id_hash.length()); |
| if (hexencoded_id_hash == "8C3741E3AF0B93B6E8E0DDD499BB0B74839EA578" || |
| hexencoded_id_hash == "E703483CEF33DEC18B4B6DD84B5C776FB9182BDB" || |
| hexencoded_id_hash == "1A26E32DE447A17CBE5E9750CDBA78F58539B39C" || |
| hexencoded_id_hash == "59048028102D7B4C681DBC7BC6CD980C3DC66DA3") |
| includeExperimental = true; |
| } |
| if (includeExperimental) |
| module_system->Require("webViewExperimental"); |
| } else { |
| module_system->Require("denyWebView"); |
| } |
| } |
| |
| // Same comment as above for <adview> tag. |
| if (context_type == Feature::BLESSED_EXTENSION_CONTEXT && |
| is_within_platform_app) { |
| if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableAdview)) { |
| if (extension->HasAPIPermission(APIPermission::kAdView)) { |
| module_system->Require("adView"); |
| } else { |
| module_system->Require("denyAdView"); |
| } |
| } |
| } |
| |
| VLOG(1) << "Num tracked contexts: " << v8_context_set_.size(); |
| } |
| |
| std::string Dispatcher::GetExtensionID(const WebFrame* frame, int world_id) { |
| if (world_id != 0) { |
| // Isolated worlds (content script). |
| return user_script_slave_->GetExtensionIdForIsolatedWorld(world_id); |
| } |
| |
| // TODO(kalman): Delete this check. |
| if (frame->document().securityOrigin().isUnique()) |
| return std::string(); |
| |
| // Extension pages (chrome-extension:// URLs). |
| GURL frame_url = UserScriptSlave::GetDataSourceURLForFrame(frame); |
| return extensions_.GetExtensionOrAppIDByURL(frame_url); |
| } |
| |
| bool Dispatcher::IsWithinPlatformApp() { |
| for (std::set<std::string>::iterator iter = active_extension_ids_.begin(); |
| iter != active_extension_ids_.end(); ++iter) { |
| const Extension* extension = extensions_.GetByID(*iter); |
| if (extension && extension->is_platform_app()) |
| return true; |
| } |
| return false; |
| } |
| |
| void Dispatcher::WillReleaseScriptContext( |
| WebFrame* frame, v8::Handle<v8::Context> v8_context, int world_id) { |
| ChromeV8Context* context = v8_context_set_.GetByV8Context(v8_context); |
| if (!context) |
| return; |
| |
| context->DispatchOnUnloadEvent(); |
| // TODO(kalman): add an invalidation observer interface to ChromeV8Context. |
| request_sender_->InvalidateSource(context); |
| |
| v8_context_set_.Remove(context); |
| VLOG(1) << "Num tracked contexts: " << v8_context_set_.size(); |
| } |
| |
| void Dispatcher::DidCreateDocumentElement(blink::WebFrame* frame) { |
| if (IsWithinPlatformApp()) { |
| // WebKit doesn't let us define an additional user agent stylesheet, so we |
| // insert the default platform app stylesheet into all documents that are |
| // loaded in each app. |
| std::string stylesheet = |
| ResourceBundle::GetSharedInstance(). |
| GetRawDataResource(IDR_PLATFORM_APP_CSS).as_string(); |
| ReplaceFirstSubstringAfterOffset(&stylesheet, 0, |
| "$FONTFAMILY", system_font_family_); |
| ReplaceFirstSubstringAfterOffset(&stylesheet, 0, |
| "$FONTSIZE", system_font_size_); |
| frame->document().insertUserStyleSheet( |
| WebString::fromUTF8(stylesheet), WebDocument::UserStyleAuthorLevel); |
| } |
| |
| content_watcher_->DidCreateDocumentElement(frame); |
| } |
| |
| void Dispatcher::DidMatchCSS( |
| blink::WebFrame* frame, |
| const blink::WebVector<blink::WebString>& newly_matching_selectors, |
| const blink::WebVector<blink::WebString>& stopped_matching_selectors) { |
| content_watcher_->DidMatchCSS( |
| frame, newly_matching_selectors, stopped_matching_selectors); |
| } |
| |
| |
| void Dispatcher::OnActivateExtension(const std::string& extension_id) { |
| const Extension* extension = extensions_.GetByID(extension_id); |
| if (!extension) { |
| // Extension was activated but was never loaded. This probably means that |
| // the renderer failed to load it (or the browser failed to tell us when it |
| // did). Failures shouldn't happen, but instead of crashing there (which |
| // executes on all renderers) be conservative and only crash in the renderer |
| // of the extension which failed to load; this one. |
| std::string& error = extension_load_errors_[extension_id]; |
| char minidump[256]; |
| base::debug::Alias(&minidump); |
| base::snprintf(minidump, arraysize(minidump), |
| "e::dispatcher:%s:%s", extension_id.c_str(), error.c_str()); |
| CHECK(extension) << extension_id << " was never loaded: " << error; |
| } |
| |
| active_extension_ids_.insert(extension_id); |
| |
| // This is called when starting a new extension page, so start the idle |
| // handler ticking. |
| RenderThread::Get()->ScheduleIdleHandler(kInitialExtensionIdleHandlerDelayMs); |
| |
| UpdateActiveExtensions(); |
| |
| if (is_webkit_initialized_) { |
| InitOriginPermissions(extension); |
| DOMActivityLogger::AttachToWorld(DOMActivityLogger::kMainWorldId, |
| extension_id); |
| } |
| } |
| |
| void Dispatcher::InitOriginPermissions(const Extension* extension) { |
| // TODO(jstritar): We should try to remove this special case. Also, these |
| // whitelist entries need to be updated when the kManagement permission |
| // changes. |
| if (extension->HasAPIPermission(APIPermission::kManagement)) { |
| WebSecurityPolicy::addOriginAccessWhitelistEntry( |
| extension->url(), |
| WebString::fromUTF8(chrome::kChromeUIScheme), |
| WebString::fromUTF8(chrome::kChromeUIExtensionIconHost), |
| false); |
| } |
| |
| AddOrRemoveOriginPermissions( |
| UpdatedExtensionPermissionsInfo::ADDED, |
| extension, |
| extension->GetActivePermissions()->explicit_hosts()); |
| } |
| |
| void Dispatcher::AddOrRemoveOriginPermissions( |
| UpdatedExtensionPermissionsInfo::Reason reason, |
| const Extension* extension, |
| const URLPatternSet& origins) { |
| for (URLPatternSet::const_iterator i = origins.begin(); |
| i != origins.end(); ++i) { |
| const char* schemes[] = { |
| content::kHttpScheme, |
| content::kHttpsScheme, |
| chrome::kFileScheme, |
| chrome::kChromeUIScheme, |
| }; |
| for (size_t j = 0; j < arraysize(schemes); ++j) { |
| if (i->MatchesScheme(schemes[j])) { |
| ((reason == UpdatedExtensionPermissionsInfo::REMOVED) ? |
| WebSecurityPolicy::removeOriginAccessWhitelistEntry : |
| WebSecurityPolicy::addOriginAccessWhitelistEntry)( |
| extension->url(), |
| WebString::fromUTF8(schemes[j]), |
| WebString::fromUTF8(i->host()), |
| i->match_subdomains()); |
| } |
| } |
| } |
| } |
| |
| void Dispatcher::EnableCustomElementWhiteList() { |
| blink::WebRuntimeFeatures::enableEmbedderCustomElements(true); |
| blink::WebCustomElement::addEmbedderCustomElementName("webview"); |
| // TODO(fsamuel): Add <adview> to the whitelist once it has been converted |
| // into a custom element. |
| blink::WebCustomElement::addEmbedderCustomElementName("browser-plugin"); |
| } |
| |
| void Dispatcher::AddOrRemoveBindings(const std::string& extension_id) { |
| v8_context_set().ForEach( |
| extension_id, |
| NULL, // all render views |
| base::Bind(&Dispatcher::AddOrRemoveBindingsForContext, |
| base::Unretained(this))); |
| } |
| |
| void Dispatcher::OnUpdatePermissions( |
| const ExtensionMsg_UpdatePermissions_Params& params) { |
| int reason_id = params.reason_id; |
| const std::string& extension_id = params.extension_id; |
| const APIPermissionSet& apis = params.apis; |
| const ManifestPermissionSet& manifest_permissions = |
| params.manifest_permissions; |
| const URLPatternSet& explicit_hosts = params.explicit_hosts; |
| const URLPatternSet& scriptable_hosts = params.scriptable_hosts; |
| |
| const Extension* extension = extensions_.GetByID(extension_id); |
| if (!extension) |
| return; |
| |
| scoped_refptr<const PermissionSet> delta = |
| new PermissionSet(apis, manifest_permissions, |
| explicit_hosts, scriptable_hosts); |
| scoped_refptr<const PermissionSet> old_active = |
| extension->GetActivePermissions(); |
| UpdatedExtensionPermissionsInfo::Reason reason = |
| static_cast<UpdatedExtensionPermissionsInfo::Reason>(reason_id); |
| |
| const PermissionSet* new_active = NULL; |
| switch (reason) { |
| case UpdatedExtensionPermissionsInfo::ADDED: |
| new_active = PermissionSet::CreateUnion(old_active.get(), delta.get()); |
| break; |
| case UpdatedExtensionPermissionsInfo::REMOVED: |
| new_active = |
| PermissionSet::CreateDifference(old_active.get(), delta.get()); |
| break; |
| } |
| |
| PermissionsData::SetActivePermissions(extension, new_active); |
| AddOrRemoveOriginPermissions(reason, extension, explicit_hosts); |
| AddOrRemoveBindings(extension->id()); |
| } |
| |
| void Dispatcher::OnUpdateTabSpecificPermissions( |
| int page_id, |
| int tab_id, |
| const std::string& extension_id, |
| const URLPatternSet& origin_set) { |
| RenderView* view = TabFinder::Find(tab_id); |
| |
| // For now, the message should only be sent to the render view that contains |
| // the target tab. This may change. Either way, if this is the target tab it |
| // gives us the chance to check against the page ID to avoid races. |
| DCHECK(view); |
| if (view && view->GetPageId() != page_id) |
| return; |
| |
| const Extension* extension = extensions_.GetByID(extension_id); |
| if (!extension) |
| return; |
| |
| PermissionsData::UpdateTabSpecificPermissions( |
| extension, |
| tab_id, |
| new PermissionSet(APIPermissionSet(), ManifestPermissionSet(), |
| origin_set, URLPatternSet())); |
| } |
| |
| void Dispatcher::OnClearTabSpecificPermissions( |
| int tab_id, |
| const std::vector<std::string>& extension_ids) { |
| for (std::vector<std::string>::const_iterator it = extension_ids.begin(); |
| it != extension_ids.end(); ++it) { |
| const Extension* extension = extensions_.GetByID(*it); |
| if (extension) |
| PermissionsData::ClearTabSpecificPermissions(extension, tab_id); |
| } |
| } |
| |
| void Dispatcher::OnUpdateUserScripts( |
| base::SharedMemoryHandle scripts) { |
| DCHECK(base::SharedMemory::IsHandleValid(scripts)) << "Bad scripts handle"; |
| user_script_slave_->UpdateScripts(scripts); |
| UpdateActiveExtensions(); |
| } |
| |
| void Dispatcher::UpdateActiveExtensions() { |
| // In single-process mode, the browser process reports the active extensions. |
| if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kSingleProcess)) |
| return; |
| |
| std::set<std::string> active_extensions = active_extension_ids_; |
| user_script_slave_->GetActiveExtensions(&active_extensions); |
| crash_keys::SetActiveExtensions(active_extensions); |
| } |
| |
| void Dispatcher::OnUsingWebRequestAPI( |
| bool adblock, bool adblock_plus, bool other) { |
| webrequest_adblock_ = adblock; |
| webrequest_adblock_plus_ = adblock_plus; |
| webrequest_other_ = other; |
| } |
| |
| void Dispatcher::OnShouldSuspend(const std::string& extension_id, |
| int sequence_id) { |
| RenderThread::Get()->Send( |
| new ExtensionHostMsg_ShouldSuspendAck(extension_id, sequence_id)); |
| } |
| |
| void Dispatcher::OnSuspend(const std::string& extension_id) { |
| // Dispatch the suspend event. This doesn't go through the standard event |
| // dispatch machinery because it requires special handling. We need to let |
| // the browser know when we are starting and stopping the event dispatch, so |
| // that it still considers the extension idle despite any activity the suspend |
| // event creates. |
| DispatchEvent(extension_id, kOnSuspendEvent); |
| RenderThread::Get()->Send(new ExtensionHostMsg_SuspendAck(extension_id)); |
| } |
| |
| void Dispatcher::OnCancelSuspend(const std::string& extension_id) { |
| DispatchEvent(extension_id, kOnSuspendCanceledEvent); |
| } |
| |
| // TODO(kalman): This is checking for the wrong thing, it should be checking if |
| // the frame's security origin is unique. The extension sandbox directive is |
| // checked for in extensions/common/manifest_handlers/csp_info.cc. |
| bool Dispatcher::IsSandboxedPage(const GURL& url) const { |
| if (url.SchemeIs(kExtensionScheme)) { |
| const Extension* extension = extensions_.GetByID(url.host()); |
| if (extension) { |
| return SandboxedPageInfo::IsSandboxedPage(extension, url.path()); |
| } |
| } |
| return false; |
| } |
| |
| Feature::Context Dispatcher::ClassifyJavaScriptContext( |
| const Extension* extension, |
| int extension_group, |
| const GURL& url, |
| const blink::WebSecurityOrigin& origin) { |
| DCHECK_GE(extension_group, 0); |
| if (extension_group == EXTENSION_GROUP_CONTENT_SCRIPTS) { |
| return extension ? // TODO(kalman): when does this happen? |
| Feature::CONTENT_SCRIPT_CONTEXT : Feature::UNSPECIFIED_CONTEXT; |
| } |
| |
| // We have an explicit check for sandboxed pages before checking whether the |
| // extension is active in this process because: |
| // 1. Sandboxed pages run in the same process as regular extension pages, so |
| // the extension is considered active. |
| // 2. ScriptContext creation (which triggers bindings injection) happens |
| // before the SecurityContext is updated with the sandbox flags (after |
| // reading the CSP header), so the caller can't check if the context's |
| // security origin is unique yet. |
| if (IsSandboxedPage(url)) |
| return Feature::WEB_PAGE_CONTEXT; |
| |
| if (extension && IsExtensionActive(extension->id())) { |
| // |extension| is active in this process, but it could be either a true |
| // extension process or within the extent of a hosted app. In the latter |
| // case this would usually be considered a (blessed) web page context, |
| // unless the extension in question is a component extension, in which case |
| // we cheat and call it blessed. |
| return (extension->is_hosted_app() && |
| extension->location() != Manifest::COMPONENT) ? |
| Feature::BLESSED_WEB_PAGE_CONTEXT : Feature::BLESSED_EXTENSION_CONTEXT; |
| } |
| |
| // TODO(kalman): This isUnique() check is wrong, it should be performed as |
| // part of IsSandboxedPage(). |
| if (!origin.isUnique() && extensions_.ExtensionBindingsAllowed(url)) { |
| if (!extension) // TODO(kalman): when does this happen? |
| return Feature::UNSPECIFIED_CONTEXT; |
| return extension->is_hosted_app() ? |
| Feature::BLESSED_WEB_PAGE_CONTEXT : |
| Feature::UNBLESSED_EXTENSION_CONTEXT; |
| } |
| |
| if (url.is_valid()) |
| return Feature::WEB_PAGE_CONTEXT; |
| |
| return Feature::UNSPECIFIED_CONTEXT; |
| } |
| |
| void Dispatcher::OnExtensionResponse(int request_id, |
| bool success, |
| const base::ListValue& response, |
| const std::string& error) { |
| request_sender_->HandleResponse(request_id, success, response, error); |
| } |
| |
| bool Dispatcher::CheckContextAccessToExtensionAPI( |
| const std::string& function_name, ChromeV8Context* context) const { |
| if (!context) { |
| DLOG(ERROR) << "Not in a v8::Context"; |
| return false; |
| } |
| |
| if (!context->extension()) { |
| context->isolate()->ThrowException(v8::Exception::Error( |
| v8::String::NewFromUtf8(context->isolate(), "Not in an extension."))); |
| return false; |
| } |
| |
| // Theoretically we could end up with bindings being injected into sandboxed |
| // frames, for example content scripts. Don't let them execute API functions. |
| blink::WebFrame* frame = context->web_frame(); |
| if (IsSandboxedPage(UserScriptSlave::GetDataSourceURLForFrame(frame))) { |
| static const char kMessage[] = |
| "%s cannot be used within a sandboxed frame."; |
| std::string error_msg = base::StringPrintf(kMessage, function_name.c_str()); |
| context->isolate()->ThrowException(v8::Exception::Error( |
| v8::String::NewFromUtf8(context->isolate(), error_msg.c_str()))); |
| return false; |
| } |
| |
| Feature::Availability availability = context->GetAvailability(function_name); |
| if (!availability.is_available()) { |
| context->isolate()->ThrowException( |
| v8::Exception::Error(v8::String::NewFromUtf8( |
| context->isolate(), availability.message().c_str()))); |
| } |
| |
| return availability.is_available(); |
| } |
| |
| void Dispatcher::DispatchEvent(const std::string& extension_id, |
| const std::string& event_name) const { |
| base::ListValue args; |
| args.Set(0, new base::StringValue(event_name)); |
| args.Set(1, new base::ListValue()); |
| |
| // Needed for Windows compilation, since kEventBindings is declared extern. |
| const char* local_event_bindings = kEventBindings; |
| v8_context_set_.ForEach( |
| extension_id, |
| NULL, // all render views |
| base::Bind(&CallModuleMethod, |
| local_event_bindings, |
| kEventDispatchFunction, |
| &args)); |
| } |
| |
| void Dispatcher::InvokeModuleSystemMethod( |
| content::RenderView* render_view, |
| const std::string& extension_id, |
| const std::string& module_name, |
| const std::string& function_name, |
| const base::ListValue& args, |
| bool user_gesture) { |
| scoped_ptr<WebScopedUserGesture> web_user_gesture; |
| if (user_gesture) |
| web_user_gesture.reset(new WebScopedUserGesture); |
| |
| v8_context_set_.ForEach( |
| extension_id, |
| render_view, |
| base::Bind(&CallModuleMethod, module_name, function_name, &args)); |
| |
| // Reset the idle handler each time there's any activity like event or message |
| // dispatch, for which Invoke is the chokepoint. |
| if (is_extension_process_) { |
| RenderThread::Get()->ScheduleIdleHandler( |
| kInitialExtensionIdleHandlerDelayMs); |
| } |
| |
| // Tell the browser process when an event has been dispatched with a lazy |
| // background page active. |
| const Extension* extension = extensions_.GetByID(extension_id); |
| if (extension && BackgroundInfo::HasLazyBackgroundPage(extension) && |
| module_name == kEventBindings && |
| function_name == kEventDispatchFunction) { |
| RenderView* background_view = |
| ExtensionHelper::GetBackgroundPage(extension_id); |
| if (background_view) { |
| background_view->Send(new ExtensionHostMsg_EventAck( |
| background_view->GetRoutingID())); |
| } |
| } |
| } |
| |
| } // namespace extensions |