void UseCounter::countDeprecation(ExecutionContext* context, Feature feature) { if (!context || !context->isDocument()) return; UseCounter::countDeprecation(*toDocument(context), feature); }
void V8LazyEventListener::prepareListenerObject(ScriptExecutionContext* context) { if (context->isDocument() && !toDocument(context)->contentSecurityPolicy()->allowInlineEventHandlers(m_sourceURL, m_position.m_line)) { clearListenerObject(); return; } if (hasExistingListenerObject()) return; ASSERT(context->isDocument()); Frame* frame = toDocument(context)->frame(); if (!frame) return; if (!frame->script()->canExecuteScripts(NotAboutToExecuteScript)) return; v8::HandleScope handleScope; // Use the outer scope to hold context. v8::Local<v8::Context> v8Context = toV8Context(context, world()); v8::Isolate* isolate = v8Context->GetIsolate(); // Bail out if we cannot get the context. if (v8Context.IsEmpty()) return; v8::Context::Scope scope(v8Context); // FIXME: Remove the following 'with' hack. // // Nodes other than the document object, when executing inline event // handlers push document, form, and the target node on the scope chain. // We do this by using 'with' statement. // See chrome/fast/forms/form-action.html // chrome/fast/forms/selected-index-value.html // base/fast/overflow/onscroll-layer-self-destruct.html // // Don't use new lines so that lines in the modified handler // have the same numbers as in the original code. // FIXME: V8 does not allow us to programmatically create object environments so // we have to do this hack! What if m_code escapes to run arbitrary script? // // Call with 4 arguments instead of 3, pass additional null as the last parameter. // By calling the function with 4 arguments, we create a setter on arguments object // which would shadow property "3" on the prototype. String code = "(function() {" "with (this[2]) {" "with (this[1]) {" "with (this[0]) {" "return function(" + m_eventParameterName + ") {" + m_code + "\n" // Insert '\n' otherwise //-style comments could break the handler. "};" "}}}})"; v8::Handle<v8::String> codeExternalString = v8String(code, isolate); v8::Local<v8::Value> result = V8ScriptRunner::compileAndRunInternalScript(codeExternalString, isolate, m_sourceURL, m_position, 0); if (result.IsEmpty()) return; // Call the outer function to get the inner function. ASSERT(result->IsFunction()); v8::Local<v8::Function> intermediateFunction = result.As<v8::Function>(); HTMLFormElement* formElement = 0; if (m_node && m_node->isHTMLElement()) formElement = toHTMLElement(m_node)->form(); v8::Handle<v8::Object> nodeWrapper = toObjectWrapper<Node>(m_node, isolate); v8::Handle<v8::Object> formWrapper = toObjectWrapper<HTMLFormElement>(formElement, isolate); v8::Handle<v8::Object> documentWrapper = toObjectWrapper<Document>(m_node ? m_node->ownerDocument() : 0, isolate); v8::Local<v8::Object> thisObject = v8::Object::New(); if (thisObject.IsEmpty()) return; if (!thisObject->ForceSet(v8Integer(0, isolate), nodeWrapper)) return; if (!thisObject->ForceSet(v8Integer(1, isolate), formWrapper)) return; if (!thisObject->ForceSet(v8Integer(2, isolate), documentWrapper)) return; // FIXME: Remove this code when we stop doing the 'with' hack above. v8::Local<v8::Value> innerValue = V8ScriptRunner::callInternalFunction(intermediateFunction, thisObject, 0, 0, isolate); if (innerValue.IsEmpty() || !innerValue->IsFunction()) return; v8::Local<v8::Function> wrappedFunction = innerValue.As<v8::Function>(); // Change the toString function on the wrapper function to avoid it // returning the source for the actual wrapper function. Instead it // returns source for a clean wrapper function with the event // argument wrapping the event source code. The reason for this is // that some web sites use toString on event functions and eval the // source returned (sometimes a RegExp is applied as well) for some // other use. That fails miserably if the actual wrapper source is // returned. v8::Handle<v8::FunctionTemplate> toStringTemplate = V8PerIsolateData::current()->lazyEventListenerToStringTemplate(); if (toStringTemplate.IsEmpty()) toStringTemplate = v8::FunctionTemplate::New(V8LazyEventListenerToString); v8::Local<v8::Function> toStringFunction; if (!toStringTemplate.IsEmpty()) toStringFunction = toStringTemplate->GetFunction(); if (!toStringFunction.IsEmpty()) { String toStringString = "function " + m_functionName + "(" + m_eventParameterName + ") {\n " + m_code + "\n}"; wrappedFunction->SetHiddenValue(V8HiddenPropertyName::toStringString(), v8String(toStringString, isolate)); wrappedFunction->Set(v8::String::NewSymbol("toString"), toStringFunction); } wrappedFunction->SetName(v8String(m_functionName, isolate)); // FIXME: Remove the following comment-outs. // See https://bugs.webkit.org/show_bug.cgi?id=85152 for more details. // // For the time being, we comment out the following code since the // second parsing can happen. // // Since we only parse once, there's no need to keep data used for parsing around anymore. // m_functionName = String(); // m_code = String(); // m_eventParameterName = String(); // m_sourceURL = String(); setListenerObject(wrappedFunction); }
Document* NamedFlowCollection::document() const { ScriptExecutionContext* context = ContextDestructionObserver::scriptExecutionContext(); return toDocument(context); }
Document* XMLHttpRequest::document() const { ASSERT(executionContext()->isDocument()); return toDocument(executionContext()); }
Document* Geolocation::document() const { return toDocument(executionContext()); }
void WorkerObjectProxy::postWorkerConsoleAgentEnabled() { ExecutionContext* context = getExecutionContext(); if (context->isDocument()) toDocument(context)->postInspectorTask(BLINK_FROM_HERE, createCrossThreadTask(&WorkerMessagingProxy::postWorkerConsoleAgentEnabled, m_messagingProxy)); }
void WorkerObjectProxy::postMessageToPageInspector(const String& message) { ExecutionContext* context = getExecutionContext(); if (context->isDocument()) toDocument(context)->postInspectorTask(BLINK_FROM_HERE, createCrossThreadTask(&WorkerMessagingProxy::postMessageToPageInspector, m_messagingProxy, message)); }
void Notification::requestPermission(ScriptExecutionContext* context, PassRefPtr<NotificationPermissionCallback> callback) { ASSERT(toDocument(context)->page()); NotificationController::from(toDocument(context)->page())->client()->requestPermission(context, callback); }
const String Notification::permission(ScriptExecutionContext* context) { ASSERT(toDocument(context)->page()); return permissionString(NotificationController::from(toDocument(context)->page())->client()->checkPermission(context)); }
void WebAssociatedURLLoaderImpl::loadAsynchronously( const WebURLRequest& request, WebAssociatedURLLoaderClient* client) { DCHECK(!m_client); DCHECK(!m_loader); DCHECK(!m_clientAdapter); DCHECK(client); bool allowLoad = true; WebURLRequest newRequest(request); if (m_options.untrustedHTTP) { WebString method = newRequest.httpMethod(); allowLoad = m_observer && isValidHTTPToken(method) && FetchUtils::isUsefulMethod(method); if (allowLoad) { newRequest.setHTTPMethod(FetchUtils::normalizeMethod(method)); HTTPRequestHeaderValidator validator; newRequest.visitHTTPHeaderFields(&validator); allowLoad = validator.isSafe(); } } m_client = client; m_clientAdapter = ClientAdapter::create(this, client, m_options); if (allowLoad) { ThreadableLoaderOptions options; options.preflightPolicy = static_cast<PreflightPolicy>(m_options.preflightPolicy); options.crossOriginRequestPolicy = static_cast<CrossOriginRequestPolicy>( m_options.crossOriginRequestPolicy); ResourceLoaderOptions resourceLoaderOptions; resourceLoaderOptions.allowCredentials = m_options.allowCredentials ? AllowStoredCredentials : DoNotAllowStoredCredentials; resourceLoaderOptions.dataBufferingPolicy = DoNotBufferData; const ResourceRequest& webcoreRequest = newRequest.toResourceRequest(); if (webcoreRequest.requestContext() == WebURLRequest::RequestContextUnspecified) { // FIXME: We load URLs without setting a TargetType (and therefore a // request context) in several places in content/ // (P2PPortAllocatorSession::AllocateLegacyRelaySession, for example). // Remove this once those places are patched up. newRequest.setRequestContext(WebURLRequest::RequestContextInternal); } Document* document = toDocument(m_observer->lifecycleContext()); DCHECK(document); m_loader = DocumentThreadableLoader::create( *document, m_clientAdapter.get(), options, resourceLoaderOptions); m_loader->start(webcoreRequest); } if (!m_loader) { // FIXME: return meaningful error codes. m_clientAdapter->didFail(ResourceError()); } m_clientAdapter->enableErrorNotifications(); }