1/* 2 * Copyright (C) 2009 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#include "config.h" 32#include "web/SharedWorkerRepositoryClientImpl.h" 33 34#include "bindings/core/v8/ExceptionMessages.h" 35#include "bindings/core/v8/ExceptionState.h" 36#include "core/dom/ExceptionCode.h" 37#include "core/dom/ExecutionContext.h" 38#include "core/events/Event.h" 39#include "core/frame/csp/ContentSecurityPolicy.h" 40#include "core/inspector/InspectorInstrumentation.h" 41#include "core/workers/SharedWorker.h" 42#include "core/workers/WorkerScriptLoader.h" 43#include "core/workers/WorkerScriptLoaderClient.h" 44#include "platform/network/ResourceResponse.h" 45#include "public/platform/WebMessagePortChannel.h" 46#include "public/platform/WebString.h" 47#include "public/platform/WebURL.h" 48#include "public/web/WebContentSecurityPolicy.h" 49#include "public/web/WebFrameClient.h" 50#include "public/web/WebKit.h" 51#include "public/web/WebSharedWorker.h" 52#include "public/web/WebSharedWorkerRepositoryClient.h" 53#include "web/WebLocalFrameImpl.h" 54 55namespace blink { 56 57// Callback class that keeps the SharedWorker and WebSharedWorker objects alive while connecting. 58class SharedWorkerConnector : private WebSharedWorkerConnector::ConnectListener { 59public: 60 SharedWorkerConnector(PassRefPtrWillBeRawPtr<SharedWorker> worker, const KURL& url, const String& name, PassOwnPtr<WebMessagePortChannel> channel, PassOwnPtr<WebSharedWorkerConnector> webWorkerConnector) 61 : m_worker(worker) 62 , m_url(url) 63 , m_name(name) 64 , m_webWorkerConnector(webWorkerConnector) 65 , m_channel(channel) { } 66 67 virtual ~SharedWorkerConnector(); 68 void connect(); 69 70private: 71 // WebSharedWorkerConnector::ConnectListener overrides. 72 virtual void connected() OVERRIDE; 73 virtual void scriptLoadFailed() OVERRIDE; 74 75 RefPtrWillBePersistent<SharedWorker> m_worker; 76 KURL m_url; 77 String m_name; 78 OwnPtr<WebSharedWorkerConnector> m_webWorkerConnector; 79 OwnPtr<WebMessagePortChannel> m_channel; 80}; 81 82SharedWorkerConnector::~SharedWorkerConnector() 83{ 84 m_worker->setIsBeingConnected(false); 85} 86 87void SharedWorkerConnector::connect() 88{ 89 m_worker->setIsBeingConnected(true); 90 m_webWorkerConnector->connect(m_channel.leakPtr(), this); 91} 92 93void SharedWorkerConnector::connected() 94{ 95 // Free ourselves (this releases the SharedWorker so it can be freed as well if unreferenced). 96 delete this; 97} 98 99void SharedWorkerConnector::scriptLoadFailed() 100{ 101 m_worker->dispatchEvent(Event::createCancelable(EventTypeNames::error)); 102 // Free ourselves (this releases the SharedWorker so it can be freed as well if unreferenced). 103 delete this; 104} 105 106static WebSharedWorkerRepositoryClient::DocumentID getId(void* document) 107{ 108 ASSERT(document); 109 return reinterpret_cast<WebSharedWorkerRepositoryClient::DocumentID>(document); 110} 111 112void SharedWorkerRepositoryClientImpl::connect(PassRefPtrWillBeRawPtr<SharedWorker> worker, PassOwnPtr<WebMessagePortChannel> port, const KURL& url, const String& name, ExceptionState& exceptionState) 113{ 114 ASSERT(m_client); 115 116 // No nested workers (for now) - connect() should only be called from document context. 117 ASSERT(worker->executionContext()->isDocument()); 118 Document* document = toDocument(worker->executionContext()); 119 OwnPtr<WebSharedWorkerConnector> webWorkerConnector = adoptPtr(m_client->createSharedWorkerConnector(url, name, getId(document), worker->executionContext()->contentSecurityPolicy()->deprecatedHeader(), static_cast<WebContentSecurityPolicyType>(worker->executionContext()->contentSecurityPolicy()->deprecatedHeaderType()))); 120 if (!webWorkerConnector) { 121 // Existing worker does not match this url, so return an error back to the caller. 122 exceptionState.throwDOMException(URLMismatchError, "The location of the SharedWorker named '" + name + "' does not exactly match the provided URL ('" + url.elidedString() + "')."); 123 return; 124 } 125 126 // The connector object manages its own lifecycle (and the lifecycles of the two worker objects). 127 // It will free itself once connecting is completed. 128 SharedWorkerConnector* connector = new SharedWorkerConnector(worker, url, name, port, webWorkerConnector.release()); 129 connector->connect(); 130} 131 132void SharedWorkerRepositoryClientImpl::documentDetached(Document* document) 133{ 134 ASSERT(m_client); 135 m_client->documentDetached(getId(document)); 136} 137 138SharedWorkerRepositoryClientImpl::SharedWorkerRepositoryClientImpl(WebSharedWorkerRepositoryClient* client) 139 : m_client(client) 140{ 141} 142 143} // namespace blink 144