WorkletGlobalScope.cpp [plain text]
#include "config.h"
#include "WorkletGlobalScope.h"
#include "Frame.h"
#include "InspectorInstrumentation.h"
#include "JSWorkletGlobalScope.h"
#include "PageConsoleClient.h"
#include "SecurityOriginPolicy.h"
#include "Settings.h"
#include "WorkerMessagePortChannelProvider.h"
#include "WorkerOrWorkletThread.h"
#include "WorkerScriptLoader.h"
#include "WorkletParameters.h"
#include <JavaScriptCore/Exception.h>
#include <JavaScriptCore/JSLock.h>
#include <JavaScriptCore/ScriptCallStack.h>
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
using namespace Inspector;
WTF_MAKE_ISO_ALLOCATED_IMPL(WorkletGlobalScope);
static std::atomic<unsigned> gNumberOfWorkletGlobalScopes { 0 };
WorkletGlobalScope::WorkletGlobalScope(WorkerOrWorkletThread& thread, const WorkletParameters& parameters)
: WorkerOrWorkletGlobalScope(WorkerThreadType::Worklet, JSC::VM::create(), &thread)
, m_topOrigin(SecurityOrigin::createUnique())
, m_url(parameters.windowURL)
, m_jsRuntimeFlags(parameters.jsRuntimeFlags)
, m_settingsValues(parameters.settingsValues)
{
++gNumberOfWorkletGlobalScopes;
setSecurityOriginPolicy(SecurityOriginPolicy::create(SecurityOrigin::create(this->url())));
setContentSecurityPolicy(makeUnique<ContentSecurityPolicy>(URL { this->url() }, *this));
}
WorkletGlobalScope::WorkletGlobalScope(Document& document, Ref<JSC::VM>&& vm, ScriptSourceCode&& code)
: WorkerOrWorkletGlobalScope(WorkerThreadType::Worklet, WTFMove(vm), nullptr)
, m_document(makeWeakPtr(document))
, m_topOrigin(SecurityOrigin::createUnique())
, m_url(code.url())
, m_jsRuntimeFlags(document.settings().javaScriptRuntimeFlags())
, m_code(WTFMove(code))
, m_settingsValues(document.settingsValues().isolatedCopy())
{
++gNumberOfWorkletGlobalScopes;
ASSERT(document.page());
setSecurityOriginPolicy(SecurityOriginPolicy::create(SecurityOrigin::create(this->url())));
setContentSecurityPolicy(makeUnique<ContentSecurityPolicy>(URL { this->url() }, *this));
}
WorkletGlobalScope::~WorkletGlobalScope()
{
ASSERT(!script());
removeFromContextsMap();
ASSERT(gNumberOfWorkletGlobalScopes);
--gNumberOfWorkletGlobalScopes;
}
unsigned WorkletGlobalScope::numberOfWorkletGlobalScopes()
{
return gNumberOfWorkletGlobalScopes;
}
void WorkletGlobalScope::prepareForDestruction()
{
WorkerOrWorkletGlobalScope::prepareForDestruction();
if (script()) {
script()->vm().notifyNeedTermination();
clearScript();
}
}
String WorkletGlobalScope::userAgent(const URL& url) const
{
if (!m_document)
return "";
return m_document->userAgent(url);
}
void WorkletGlobalScope::evaluate()
{
if (m_code)
script()->evaluate(*m_code);
}
URL WorkletGlobalScope::completeURL(const String& url, ForceUTF8) const
{
if (url.isNull())
return URL();
return URL(this->url(), url);
}
void WorkletGlobalScope::logExceptionToConsole(const String& errorMessage, const String& sourceURL, int lineNumber, int columnNumber, RefPtr<ScriptCallStack>&& stack)
{
if (!m_document || isJSExecutionForbidden())
return;
m_document->logExceptionToConsole(errorMessage, sourceURL, lineNumber, columnNumber, WTFMove(stack));
}
void WorkletGlobalScope::addConsoleMessage(std::unique_ptr<Inspector::ConsoleMessage>&& message)
{
if (!m_document || isJSExecutionForbidden() || !message)
return;
m_document->addConsoleMessage(makeUnique<Inspector::ConsoleMessage>(message->source(), message->type(), message->level(), message->message(), 0));
}
void WorkletGlobalScope::addConsoleMessage(MessageSource source, MessageLevel level, const String& message, unsigned long requestIdentifier)
{
if (!m_document || isJSExecutionForbidden())
return;
m_document->addConsoleMessage(source, level, message, requestIdentifier);
}
void WorkletGlobalScope::addMessage(MessageSource source, MessageLevel level, const String& messageText, const String& sourceURL, unsigned lineNumber, unsigned columnNumber, RefPtr<ScriptCallStack>&& callStack, JSC::JSGlobalObject*, unsigned long requestIdentifier)
{
if (!m_document || isJSExecutionForbidden())
return;
m_document->addMessage(source, level, messageText, sourceURL, lineNumber, columnNumber, WTFMove(callStack), nullptr, requestIdentifier);
}
ReferrerPolicy WorkletGlobalScope::referrerPolicy() const
{
return ReferrerPolicy::NoReferrer;
}
void WorkletGlobalScope::fetchAndInvokeScript(const URL& moduleURL, FetchRequestCredentials credentials, CompletionHandler<void(Optional<Exception>&&)>&& completionHandler)
{
ASSERT(!isMainThread());
m_scriptFetchJobs.append({ moduleURL, credentials, WTFMove(completionHandler) });
processNextScriptFetchJobIfNeeded();
}
void WorkletGlobalScope::processNextScriptFetchJobIfNeeded()
{
if (m_scriptFetchJobs.isEmpty() || m_scriptLoader)
return;
auto& scriptFetchJob = m_scriptFetchJobs.first();
ResourceRequest request { scriptFetchJob.moduleURL };
FetchOptions fetchOptions;
fetchOptions.mode = FetchOptions::Mode::Cors;
fetchOptions.cache = FetchOptions::Cache::Default;
fetchOptions.redirect = FetchOptions::Redirect::Follow;
fetchOptions.credentials = scriptFetchJob.credentials;
#if ENABLE(WEB_AUDIO)
if (isAudioWorkletGlobalScope())
fetchOptions.destination = FetchOptions::Destination::Audioworklet;
#endif
#if ENABLE(CSS_PAINTING_API)
if (isPaintWorkletGlobalScope())
fetchOptions.destination = FetchOptions::Destination::Paintworklet;
#endif
auto contentSecurityPolicyEnforcement = shouldBypassMainWorldContentSecurityPolicy() ? ContentSecurityPolicyEnforcement::DoNotEnforce : ContentSecurityPolicyEnforcement::EnforceChildSrcDirective;
m_scriptLoader = WorkerScriptLoader::create();
m_scriptLoader->loadAsynchronously(*this, WTFMove(request), WTFMove(fetchOptions), contentSecurityPolicyEnforcement, ServiceWorkersMode::All, *this);
}
void WorkletGlobalScope::didReceiveResponse(unsigned long, const ResourceResponse&)
{
}
void WorkletGlobalScope::notifyFinished()
{
auto completedJob = m_scriptFetchJobs.takeFirst();
if (m_scriptLoader->failed()) {
didCompleteScriptFetchJob(WTFMove(completedJob), Exception { AbortError, makeString("Failed to fetch module, error: ", m_scriptLoader->error().localizedDescription()) });
return;
}
URL moduleURL(m_scriptLoader->responseURL());
auto addResult = m_evaluatedModules.add(moduleURL);
if (addResult.isNewEntry) {
NakedPtr<JSC::Exception> exception;
script()->evaluate(ScriptSourceCode(m_scriptLoader->script(), WTFMove(moduleURL)), exception);
if (exception)
script()->setException(exception);
}
didCompleteScriptFetchJob(WTFMove(completedJob), { });
}
void WorkletGlobalScope::didCompleteScriptFetchJob(ScriptFetchJob&& job, Optional<Exception> result)
{
m_scriptLoader = nullptr;
job.completionHandler(WTFMove(result));
processNextScriptFetchJobIfNeeded();
}
MessagePortChannelProvider& WorkletGlobalScope::messagePortChannelProvider()
{
if (!m_messagePortChannelProvider)
m_messagePortChannelProvider = makeUnique<WorkerMessagePortChannelProvider>(*this);
return *m_messagePortChannelProvider;
}
}