1/*
2 * Copyright (C) 2017 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "ServiceWorkerThread.h"
28
29#if ENABLE(SERVICE_WORKER)
30
31#include "CacheStorageProvider.h"
32#include "ContentSecurityPolicyResponseHeaders.h"
33#include "EventNames.h"
34#include "ExtendableMessageEvent.h"
35#include "JSDOMPromise.h"
36#include "LoaderStrategy.h"
37#include "PlatformStrategies.h"
38#include "SWContextManager.h"
39#include "SecurityOrigin.h"
40#include "ServiceWorkerFetch.h"
41#include "ServiceWorkerGlobalScope.h"
42#include "ServiceWorkerWindowClient.h"
43#include "WorkerDebuggerProxy.h"
44#include "WorkerLoaderProxy.h"
45#include "WorkerObjectProxy.h"
46#include <JavaScriptCore/IdentifiersFactory.h>
47#include <JavaScriptCore/RuntimeFlags.h>
48#include <pal/SessionID.h>
49#include <wtf/NeverDestroyed.h>
50
51using namespace PAL;
52
53namespace WebCore {
54
55class DummyServiceWorkerThreadProxy : public WorkerObjectProxy {
56public:
57 static DummyServiceWorkerThreadProxy& shared()
58 {
59 static NeverDestroyed<DummyServiceWorkerThreadProxy> proxy;
60 return proxy;
61 }
62
63private:
64 void postExceptionToWorkerObject(const String&, int, int, const String&) final { };
65 void workerGlobalScopeDestroyed() final { };
66 void postMessageToWorkerObject(MessageWithMessagePorts&&) final { };
67 void confirmMessageFromWorkerObject(bool) final { };
68 void reportPendingActivity(bool) final { };
69};
70
71// FIXME: Use a valid WorkerReportingProxy
72// FIXME: Use a valid WorkerObjectProxy
73// FIXME: Use valid runtime flags
74
75ServiceWorkerThread::ServiceWorkerThread(const ServiceWorkerContextData& data, PAL::SessionID, String&& userAgent, WorkerLoaderProxy& loaderProxy, WorkerDebuggerProxy& debuggerProxy, IDBClient::IDBConnectionProxy* idbConnectionProxy, SocketProvider* socketProvider)
76 : WorkerThread(data.scriptURL, emptyString(), "serviceworker:" + Inspector::IdentifiersFactory::createIdentifier(), WTFMove(userAgent), platformStrategies()->loaderStrategy()->isOnLine(), data.script, loaderProxy, debuggerProxy, DummyServiceWorkerThreadProxy::shared(), WorkerThreadStartMode::Normal, data.contentSecurityPolicy, false, data.registration.key.topOrigin().securityOrigin().get(), MonotonicTime::now(), idbConnectionProxy, socketProvider, JSC::RuntimeFlags::createAllEnabled(), data.sessionID)
77 , m_data(data.isolatedCopy())
78 , m_workerObjectProxy(DummyServiceWorkerThreadProxy::shared())
79{
80 AtomicString::init();
81}
82
83ServiceWorkerThread::~ServiceWorkerThread() = default;
84
85Ref<WorkerGlobalScope> ServiceWorkerThread::createWorkerGlobalScope(const URL& url, Ref<SecurityOrigin>&& origin, const String& name, const String& identifier, const String& userAgent, bool isOnline, const ContentSecurityPolicyResponseHeaders& contentSecurityPolicy, bool shouldBypassMainWorldContentSecurityPolicy, Ref<SecurityOrigin>&& topOrigin, MonotonicTime timeOrigin, PAL::SessionID sessionID)
86{
87 UNUSED_PARAM(name);
88 return ServiceWorkerGlobalScope::create(m_data, url, WTFMove(origin), identifier, userAgent, isOnline, *this, contentSecurityPolicy, shouldBypassMainWorldContentSecurityPolicy, WTFMove(topOrigin), timeOrigin, idbConnectionProxy(), socketProvider(), sessionID);
89}
90
91void ServiceWorkerThread::runEventLoop()
92{
93 // FIXME: There will be ServiceWorker specific things to do here.
94 WorkerThread::runEventLoop();
95}
96
97void ServiceWorkerThread::postFetchTask(Ref<ServiceWorkerFetch::Client>&& client, Optional<ServiceWorkerClientIdentifier>&& clientId, ResourceRequest&& request, String&& referrer, FetchOptions&& options)
98{
99 // FIXME: instead of directly using runLoop(), we should be using something like WorkerGlobalScopeProxy.
100 // FIXME: request and options come straigth from IPC so are already isolated. We should be able to take benefit of that.
101 runLoop().postTaskForMode([client = WTFMove(client), clientId, request = request.isolatedCopy(), referrer = referrer.isolatedCopy(), options = options.isolatedCopy()] (ScriptExecutionContext& context) mutable {
102 context.postTask([client = WTFMove(client), clientId, request = WTFMove(request), referrer = WTFMove(referrer), options = WTFMove(options)] (ScriptExecutionContext& context) mutable {
103 ServiceWorkerFetch::dispatchFetchEvent(WTFMove(client), downcast<ServiceWorkerGlobalScope>(context), clientId, WTFMove(request), WTFMove(referrer), WTFMove(options));
104 });
105 }, WorkerRunLoop::defaultMode());
106}
107
108static void fireMessageEvent(ServiceWorkerGlobalScope& scope, MessageWithMessagePorts&& message, ExtendableMessageEventSource&& source, const URL& sourceURL)
109{
110 auto ports = MessagePort::entanglePorts(scope, WTFMove(message.transferredPorts));
111 auto messageEvent = ExtendableMessageEvent::create(WTFMove(ports), WTFMove(message.message), SecurityOriginData::fromURL(sourceURL).toString(), { }, source);
112 scope.dispatchEvent(messageEvent);
113 scope.thread().workerObjectProxy().confirmMessageFromWorkerObject(scope.hasPendingActivity());
114 scope.updateExtendedEventsSet(messageEvent.ptr());
115}
116
117void ServiceWorkerThread::postMessageToServiceWorker(MessageWithMessagePorts&& message, ServiceWorkerOrClientData&& sourceData)
118{
119 runLoop().postTask([message = WTFMove(message), sourceData = WTFMove(sourceData)] (auto& context) mutable {
120 auto& serviceWorkerGlobalScope = downcast<ServiceWorkerGlobalScope>(context);
121 URL sourceURL;
122 ExtendableMessageEventSource source;
123 if (WTF::holds_alternative<ServiceWorkerClientData>(sourceData)) {
124 RefPtr<ServiceWorkerClient> sourceClient = ServiceWorkerClient::getOrCreate(serviceWorkerGlobalScope, WTFMove(WTF::get<ServiceWorkerClientData>(sourceData)));
125
126 RELEASE_ASSERT(!sourceClient->url().protocolIsInHTTPFamily() || !serviceWorkerGlobalScope.url().protocolIsInHTTPFamily() || protocolHostAndPortAreEqual(serviceWorkerGlobalScope.url(), sourceClient->url()));
127
128 sourceURL = sourceClient->url();
129 source = WTFMove(sourceClient);
130 } else {
131 RefPtr<ServiceWorker> sourceWorker = ServiceWorker::getOrCreate(serviceWorkerGlobalScope, WTFMove(WTF::get<ServiceWorkerData>(sourceData)));
132
133 RELEASE_ASSERT(!sourceWorker->scriptURL().protocolIsInHTTPFamily() || !serviceWorkerGlobalScope.url().protocolIsInHTTPFamily() || protocolHostAndPortAreEqual(serviceWorkerGlobalScope.url(), sourceWorker->scriptURL()));
134
135 sourceURL = sourceWorker->scriptURL();
136 source = WTFMove(sourceWorker);
137 }
138 fireMessageEvent(serviceWorkerGlobalScope, WTFMove(message), ExtendableMessageEventSource { source }, sourceURL);
139 });
140}
141
142void ServiceWorkerThread::fireInstallEvent()
143{
144 ScriptExecutionContext::Task task([jobDataIdentifier = m_data.jobDataIdentifier, serviceWorkerIdentifier = this->identifier()] (ScriptExecutionContext& context) mutable {
145 context.postTask([jobDataIdentifier, serviceWorkerIdentifier](ScriptExecutionContext& context) {
146 auto& serviceWorkerGlobalScope = downcast<ServiceWorkerGlobalScope>(context);
147 auto installEvent = ExtendableEvent::create(eventNames().installEvent, { }, ExtendableEvent::IsTrusted::Yes);
148 serviceWorkerGlobalScope.dispatchEvent(installEvent);
149
150 installEvent->whenAllExtendLifetimePromisesAreSettled([jobDataIdentifier, serviceWorkerIdentifier](HashSet<Ref<DOMPromise>>&& extendLifetimePromises) {
151 bool hasRejectedAnyPromise = false;
152 for (auto& promise : extendLifetimePromises) {
153 if (promise->status() == DOMPromise::Status::Rejected) {
154 hasRejectedAnyPromise = true;
155 break;
156 }
157 }
158 callOnMainThread([jobDataIdentifier, serviceWorkerIdentifier, hasRejectedAnyPromise] () mutable {
159 if (auto* connection = SWContextManager::singleton().connection())
160 connection->didFinishInstall(jobDataIdentifier, serviceWorkerIdentifier, !hasRejectedAnyPromise);
161 });
162 });
163 });
164 });
165 runLoop().postTask(WTFMove(task));
166}
167
168void ServiceWorkerThread::fireActivateEvent()
169{
170 ScriptExecutionContext::Task task([serviceWorkerIdentifier = this->identifier()] (ScriptExecutionContext& context) mutable {
171 context.postTask([serviceWorkerIdentifier](ScriptExecutionContext& context) {
172 auto& serviceWorkerGlobalScope = downcast<ServiceWorkerGlobalScope>(context);
173 auto activateEvent = ExtendableEvent::create(eventNames().activateEvent, { }, ExtendableEvent::IsTrusted::Yes);
174 serviceWorkerGlobalScope.dispatchEvent(activateEvent);
175
176 activateEvent->whenAllExtendLifetimePromisesAreSettled([serviceWorkerIdentifier](HashSet<Ref<DOMPromise>>&&) {
177 callOnMainThread([serviceWorkerIdentifier] () mutable {
178 if (auto* connection = SWContextManager::singleton().connection())
179 connection->didFinishActivation(serviceWorkerIdentifier);
180 });
181 });
182 });
183 });
184 runLoop().postTask(WTFMove(task));
185}
186
187} // namespace WebCore
188
189#endif // ENABLE(SERVICE_WORKER)
190