Source/WebCore/workers/service/context/ServiceWorkerThread.cpp

   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
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  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 "SecurityOrigin.h"
  37 #include "ServiceWorkerFetch.h"
  38 #include "ServiceWorkerGlobalScope.h"
  39 #include "ServiceWorkerWindowClient.h"
  40 #include "WorkerDebuggerProxy.h"
  41 #include "WorkerLoaderProxy.h"
  42 #include "WorkerObjectProxy.h"
  43 #include <inspector/IdentifiersFactory.h>
  44 #include <pal/SessionID.h>
  45 #include <runtime/RuntimeFlags.h>
  46 #include <wtf/NeverDestroyed.h>
  47
  48 using namespace PAL;
  49
  50 namespace WebCore {
  51
  52 class DummyServiceWorkerThreadProxy : public WorkerObjectProxy {
  53 public:
  54     static DummyServiceWorkerThreadProxy& shared()
  55     {
  56         static NeverDestroyed<DummyServiceWorkerThreadProxy> proxy;
  57         return proxy;
  58     }
  59
  60 private:
  61     void postExceptionToWorkerObject(const String&, int, int, const String&) final { };
  62     void workerGlobalScopeDestroyed() final { };
  63     void postMessageToWorkerObject(Ref<SerializedScriptValue>&&, std::unique_ptr<MessagePortChannelArray>&&) final { };
  64     void confirmMessageFromWorkerObject(bool) final { };
  65     void reportPendingActivity(bool) final { };
  66 };
  67
  68 // FIXME: Use a valid WorkerReportingProxy
  69 // FIXME: Use a valid WorkerObjectProxy
  70 // FIXME: Use a valid isOnline flag
  71 // FIXME: Use valid runtime flags
  72
  73 ServiceWorkerThread::ServiceWorkerThread(const ServiceWorkerContextData& data, PAL::SessionID, String&& userAgent, WorkerLoaderProxy& loaderProxy, WorkerDebuggerProxy& debuggerProxy, IDBClient::IDBConnectionProxy* idbConnectionProxy, SocketProvider* socketProvider)
  74     : WorkerThread(data.scriptURL, "serviceworker:" + Inspector::IdentifiersFactory::createIdentifier(), WTFMove(userAgent), /* isOnline */ false, data.script, loaderProxy, debuggerProxy, DummyServiceWorkerThreadProxy::shared(), WorkerThreadStartMode::Normal, ContentSecurityPolicyResponseHeaders { }, false, SecurityOrigin::create(data.scriptURL).get(), MonotonicTime::now(), idbConnectionProxy, socketProvider, JSC::RuntimeFlags::createAllEnabled(), SessionID::defaultSessionID())
  75     , m_data(data.isolatedCopy())
  76     , m_workerObjectProxy(DummyServiceWorkerThreadProxy::shared())
  77 {
  78     AtomicString::init();
  79 }
  80
  81 ServiceWorkerThread::~ServiceWorkerThread() = default;
  82
  83 Ref<WorkerGlobalScope> ServiceWorkerThread::createWorkerGlobalScope(const URL& url, const String& identifier, const String& userAgent, bool isOnline, const ContentSecurityPolicyResponseHeaders&, bool shouldBypassMainWorldContentSecurityPolicy, Ref<SecurityOrigin>&& topOrigin, MonotonicTime timeOrigin, PAL::SessionID sessionID)
  84 {
  85     return ServiceWorkerGlobalScope::create(m_data, url, identifier, userAgent, isOnline, *this, shouldBypassMainWorldContentSecurityPolicy, WTFMove(topOrigin), timeOrigin, idbConnectionProxy(), socketProvider(), sessionID);
  86 }
  87
  88 void ServiceWorkerThread::runEventLoop()
  89 {
  90     // FIXME: There will be ServiceWorker specific things to do here.
  91     WorkerThread::runEventLoop();
  92 }
  93
  94 void ServiceWorkerThread::postFetchTask(Ref<ServiceWorkerFetch::Client>&& client, std::optional<ServiceWorkerClientIdentifier>&& clientId, ResourceRequest&& request, String&& referrer, FetchOptions&& options)
  95 {
  96     // FIXME: instead of directly using runLoop(), we should be using something like WorkerGlobalScopeProxy.
  97     // FIXME: request and options come straigth from IPC so are already isolated. We should be able to take benefit of that.
  98     runLoop().postTaskForMode([client = WTFMove(client), clientId, request = request.isolatedCopy(), referrer = referrer.isolatedCopy(), options = options.isolatedCopy()] (ScriptExecutionContext& context) mutable {
  99         ServiceWorkerFetch::dispatchFetchEvent(WTFMove(client), downcast<ServiceWorkerGlobalScope>(context), clientId, WTFMove(request), WTFMove(referrer), WTFMove(options));
 100     }, WorkerRunLoop::defaultMode());
 101 }
 102
 103 static void fireMessageEvent(ServiceWorkerGlobalScope& scope, Ref<SerializedScriptValue>&& message, std::unique_ptr<MessagePortChannelArray>&& channels, ExtendableMessageEventSource&& source, Ref<SecurityOrigin>&& sourceOrigin)
 104 {
 105     auto ports = MessagePort::entanglePorts(scope, WTFMove(channels));
 106     auto messageEvent = ExtendableMessageEvent::create(WTFMove(ports), WTFMove(message), sourceOrigin->toString(), { }, source);
 107     scope.dispatchEvent(messageEvent);
 108     scope.thread().workerObjectProxy().confirmMessageFromWorkerObject(scope.hasPendingActivity());
 109     scope.updateExtendedEventsSet(messageEvent.ptr());
 110 }
 111
 112 void ServiceWorkerThread::postMessageToServiceWorker(Ref<SerializedScriptValue>&& message, std::unique_ptr<MessagePortChannelArray>&& channels, ServiceWorkerOrClientData&& sourceData)
 113 {
 114     runLoop().postTask([channels = WTFMove(channels), message = WTFMove(message), sourceData = WTFMove(sourceData)] (auto& context) mutable {
 115         auto& serviceWorkerGlobalScope = downcast<ServiceWorkerGlobalScope>(context);
 116         RefPtr<SecurityOrigin> sourceOrigin;
 117         ExtendableMessageEventSource source;
 118         if (WTF::holds_alternative<ServiceWorkerClientData>(sourceData)) {
 119             RefPtr<ServiceWorkerClient> sourceClient = ServiceWorkerClient::getOrCreate(serviceWorkerGlobalScope, WTFMove(WTF::get<ServiceWorkerClientData>(sourceData)));
 120             sourceOrigin = SecurityOrigin::create(sourceClient->url());
 121             source = WTFMove(sourceClient);
 122         } else {
 123             RefPtr<ServiceWorker> sourceWorker = ServiceWorker::getOrCreate(serviceWorkerGlobalScope, WTFMove(WTF::get<ServiceWorkerData>(sourceData)));
 124             sourceOrigin = SecurityOrigin::create(sourceWorker->scriptURL());
 125             source = WTFMove(sourceWorker);
 126         }
 127         fireMessageEvent(serviceWorkerGlobalScope, WTFMove(message), WTFMove(channels), ExtendableMessageEventSource { source }, sourceOrigin.releaseNonNull());
 128     });
 129 }
 130
 131 void ServiceWorkerThread::fireInstallEvent()
 132 {
 133     ScriptExecutionContext::Task task([jobDataIdentifier = m_data.jobDataIdentifier, serviceWorkerIdentifier = this->identifier()] (ScriptExecutionContext& context) mutable {
 134         context.postTask([jobDataIdentifier, serviceWorkerIdentifier](ScriptExecutionContext& context) {
 135             auto& serviceWorkerGlobalScope = downcast<ServiceWorkerGlobalScope>(context);
 136             auto installEvent = ExtendableEvent::create(eventNames().installEvent, { }, ExtendableEvent::IsTrusted::Yes);
 137             serviceWorkerGlobalScope.dispatchEvent(installEvent);
 138
 139             installEvent->whenAllExtendLifetimePromisesAreSettled([jobDataIdentifier, serviceWorkerIdentifier](HashSet<Ref<DOMPromise>>&& extendLifetimePromises) {
 140                 bool hasRejectedAnyPromise = false;
 141                 for (auto& promise : extendLifetimePromises) {
 142                     if (promise->status() == DOMPromise::Status::Rejected) {
 143                         hasRejectedAnyPromise = true;
 144                         break;
 145                     }
 146                 }
 147                 callOnMainThread([jobDataIdentifier, serviceWorkerIdentifier, hasRejectedAnyPromise] () mutable {
 148                     if (auto* connection = SWContextManager::singleton().connection())
 149                         connection->didFinishInstall(jobDataIdentifier, serviceWorkerIdentifier, !hasRejectedAnyPromise);
 150                 });
 151             });
 152         });
 153     });
 154     runLoop().postTask(WTFMove(task));
 155 }
 156
 157 void ServiceWorkerThread::fireActivateEvent()
 158 {
 159     ScriptExecutionContext::Task task([serviceWorkerIdentifier = this->identifier()] (ScriptExecutionContext& context) mutable {
 160         context.postTask([serviceWorkerIdentifier](ScriptExecutionContext& context) {
 161             auto& serviceWorkerGlobalScope = downcast<ServiceWorkerGlobalScope>(context);
 162             auto activateEvent = ExtendableEvent::create(eventNames().activateEvent, { }, ExtendableEvent::IsTrusted::Yes);
 163             serviceWorkerGlobalScope.dispatchEvent(activateEvent);
 164
 165             activateEvent->whenAllExtendLifetimePromisesAreSettled([serviceWorkerIdentifier](HashSet<Ref<DOMPromise>>&&) {
 166                 callOnMainThread([serviceWorkerIdentifier] () mutable {
 167                     if (auto* connection = SWContextManager::singleton().connection())
 168                         connection->didFinishActivation(serviceWorkerIdentifier);
 169                 });
 170             });
 171         });
 172     });
 173     runLoop().postTask(WTFMove(task));
 174 }
 175
 176 } // namespace WebCore
 177
 178 #endif // ENABLE(SERVICE_WORKER)