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/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "IPCTestingAPI.h"
#if ENABLE(IPC_TESTING_API)
#include "Encoder.h"
#include "FrameInfoData.h"
#include "GPUProcessConnection.h"
#include "IPCSemaphore.h"
#include "IPCStreamTesterMessages.h"
#include "IPCTesterReceiver.h"
#include "IPCTesterReceiverMessages.h"
#include "JSIPCBinding.h"
#include "MessageArgumentDescriptions.h"
#include "MessageObserver.h"
#include "NetworkProcessConnection.h"
#include "RemoteRenderingBackendCreationParameters.h"
#include "SerializedTypeInfo.h"
#include "StreamClientConnection.h"
#include "StreamConnectionBuffer.h"
#include "WebCoreArgumentCoders.h"
#include "WebFrame.h"
#include "WebPage.h"
#include "WebProcess.h"
#include <JavaScriptCore/APICast.h>
#include <JavaScriptCore/BuiltinNames.h>
#include <JavaScriptCore/JSBigInt.h>
#include <JavaScriptCore/JSClassRef.h>
#include <JavaScriptCore/JSLock.h>
#include <JavaScriptCore/JSObject.h>
#include <JavaScriptCore/JSRetainPtr.h>
#include <JavaScriptCore/JSValueRef.h>
#include <JavaScriptCore/JavaScript.h>
#include <JavaScriptCore/OpaqueJSString.h>
#include <WebCore/DOMWrapperWorld.h>
#include <WebCore/LocalFrame.h>
#include <WebCore/RegistrableDomain.h>
#include <WebCore/ScriptController.h>
#include <wtf/PageBlock.h>
namespace WebKit {
namespace IPCTestingAPI {
class JSIPC;
static constexpr auto processTargetNameUI = "UI"_s;
#if ENABLE(GPU_PROCESS)
static constexpr auto processTargetNameGPU = "GPU"_s;
#endif
static constexpr auto processTargetNameNetworking = "Networking"_s;
static std::optional<uint64_t> destinationIDFromArgument(JSC::JSGlobalObject*, JSValueRef, JSValueRef*);
static std::optional<uint64_t> messageIDFromArgument(JSC::JSGlobalObject*, JSValueRef, JSValueRef*);
static JSC::JSObject* jsResultFromReplyDecoder(JSC::JSGlobalObject*, IPC::MessageName, IPC::Decoder&);
static bool encodeArgument(IPC::Encoder&, JSContextRef, JSValueRef, JSValueRef* exception);
class JSIPCSemaphore : public RefCounted<JSIPCSemaphore> {
public:
static Ref<JSIPCSemaphore> create(IPC::Semaphore&& semaphore = { })
{
return adoptRef(*new JSIPCSemaphore(WTFMove(semaphore)));
}
JSObjectRef createJSWrapper(JSContextRef);
static JSIPCSemaphore* toWrapped(JSContextRef, JSValueRef);
void encode(IPC::Encoder& encoder) const { m_semaphore.encode(encoder); }
IPC::Semaphore exchange(IPC::Semaphore&& semaphore = { })
{
return std::exchange(m_semaphore, WTFMove(semaphore));
}
private:
JSIPCSemaphore(IPC::Semaphore&& semaphore)
: m_semaphore(WTFMove(semaphore))
{ }
static JSClassRef wrapperClass();
static JSIPCSemaphore* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
static JSValueRef signal(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef waitFor(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
IPC::Semaphore m_semaphore;
};
class JSIPCConnectionHandle : public RefCounted<JSIPCConnectionHandle> {
public:
static Ref<JSIPCConnectionHandle> create(IPC::Connection::Handle&& handle)
{
return adoptRef(*new JSIPCConnectionHandle(WTFMove(handle)));
}
JSObjectRef createJSWrapper(JSContextRef);
static JSIPCConnectionHandle* toWrapped(JSContextRef, JSValueRef);
void encode(IPC::Encoder& encoder) { encoder << WTFMove(m_handle); }
private:
JSIPCConnectionHandle(IPC::Connection::Handle&& handle)
: m_handle(WTFMove(handle))
{ }
static JSClassRef wrapperClass();
static JSIPCConnectionHandle* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
IPC::Connection::Handle m_handle;
};
class JSIPCConnection : public RefCounted<JSIPCConnection>, private IPC::Connection::Client {
public:
static Ref<JSIPCConnection> create(IPC::Connection::Identifier&& testedConnectionIdentifier)
{
return adoptRef(*new JSIPCConnection(WTFMove(testedConnectionIdentifier)));
}
JSObjectRef createJSWrapper(JSContextRef);
static JSIPCConnection* toWrapped(JSContextRef, JSValueRef);
private:
JSIPCConnection(IPC::Connection::Identifier&& testedConnectionIdentifier)
: m_testedConnection { IPC::Connection::createServerConnection(testedConnectionIdentifier) }
{
}
// IPC::Connection::Client overrides.
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final;
bool didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&) final;
void didClose(IPC::Connection&) final;
void didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName) final;
static JSClassRef wrapperClass();
static JSIPCConnection* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
static JSValueRef open(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef invalidate(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendSyncMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef waitForMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
Ref<IPC::Connection> m_testedConnection;
};
class JSIPCStreamClientConnection : public RefCounted<JSIPCStreamClientConnection>, public CanMakeWeakPtr<JSIPCStreamClientConnection> {
public:
static Ref<JSIPCStreamClientConnection> create(JSIPC& jsIPC, RefPtr<IPC::StreamClientConnection> connection)
{
return adoptRef(*new JSIPCStreamClientConnection(jsIPC, WTFMove(connection)));
}
JSObjectRef createJSWrapper(JSContextRef);
static JSIPCStreamClientConnection* toWrapped(JSContextRef, JSValueRef);
IPC::StreamClientConnection& connection() { return *m_streamConnection; }
private:
friend class JSIPCStreamConnectionBuffer;
JSIPCStreamClientConnection(JSIPC& jsIPC, RefPtr<IPC::StreamClientConnection> connection)
: m_jsIPC(jsIPC)
, m_streamConnection { WTFMove(connection) }
{
}
void setSemaphores(JSIPCSemaphore& jsWakeUpSemaphore, JSIPCSemaphore& jsClientWaitSemaphore) { m_streamConnection->setSemaphores(jsWakeUpSemaphore.exchange(), jsClientWaitSemaphore.exchange()); }
static JSClassRef wrapperClass();
static JSIPCStreamClientConnection* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static bool prepareToSendOutOfStreamMessage(JSContextRef, size_t argumentCount, const JSValueRef arguments[], JSIPC&, IPC::StreamClientConnection&, IPC::Encoder&, uint64_t destinationID, IPC::Timeout, JSValueRef* exception);
static const JSStaticFunction* staticFunctions();
static JSValueRef open(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef invalidate(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef streamBuffer(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef setSemaphores(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendSyncMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendIPCStreamTesterSyncCrashOnZero(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef waitForMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
WeakPtr<JSIPC> m_jsIPC;
RefPtr<IPC::StreamClientConnection> m_streamConnection;
// Current tests expect that actions and their induced messages are waited on during same
// run loop invocation (in JS). This means that messages of interest do not ever enter here.
// Due to JSIPCStreamClientConnection supporting WeakPtr and IPC::MessageReceiver forcing WeakPtr, we store this as a member.
class MessageReceiver : public IPC::Connection::Client {
public:
// IPC::MessageReceiver overrides.
void didReceiveMessage(IPC::Connection&, IPC::Decoder&) final { ASSERT_NOT_REACHED(); }
bool didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&) final { ASSERT_NOT_REACHED(); return false; }
void didClose(IPC::Connection&) final { }
void didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName) final { ASSERT_NOT_REACHED(); }
} m_dummyMessageReceiver;
};
class JSIPCStreamServerConnectionHandle : public RefCounted<JSIPCStreamServerConnectionHandle> {
public:
static Ref<JSIPCStreamServerConnectionHandle> create(IPC::StreamServerConnection::Handle&& handle)
{
return adoptRef(*new JSIPCStreamServerConnectionHandle(WTFMove(handle)));
}
JSObjectRef createJSWrapper(JSContextRef);
static JSIPCStreamServerConnectionHandle* toWrapped(JSContextRef, JSValueRef);
void encode(IPC::Encoder& encoder) { encoder << WTFMove(m_handle); }
private:
JSIPCStreamServerConnectionHandle(IPC::StreamServerConnection::Handle&& handle)
: m_handle { WTFMove(handle) }
{
}
static JSClassRef wrapperClass();
static JSIPCStreamServerConnectionHandle* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
IPC::StreamServerConnection::Handle m_handle;
};
class JSIPCStreamConnectionBuffer : public RefCounted<JSIPCStreamConnectionBuffer> {
public:
static Ref<JSIPCStreamConnectionBuffer> create(JSIPCStreamClientConnection& streamConnection)
{
return adoptRef(*new JSIPCStreamConnectionBuffer(streamConnection));
}
JSObjectRef createJSWrapper(JSContextRef);
static JSIPCStreamConnectionBuffer* toWrapped(JSContextRef, JSValueRef);
void encode(IPC::Encoder& encoder) const { m_streamConnection->connection().bufferForTesting().createHandle().encode(encoder); }
private:
JSIPCStreamConnectionBuffer(JSIPCStreamClientConnection& streamConnection)
: m_streamConnection(streamConnection)
{
}
static JSClassRef wrapperClass();
static JSIPCStreamConnectionBuffer* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
static JSValueRef readHeaderBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef readDataBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef readBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception, std::span<uint8_t>);
static JSValueRef writeHeaderBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef writeDataBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef writeBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception, std::span<uint8_t>);
WeakPtr<JSIPCStreamClientConnection> m_streamConnection;
};
class JSSharedMemory : public RefCounted<JSSharedMemory> {
public:
static Ref<JSSharedMemory> create(size_t size)
{
return adoptRef(*new JSSharedMemory(size));
}
static Ref<JSSharedMemory> create(Ref<SharedMemory>&& sharedMemory)
{
return adoptRef(*new JSSharedMemory(WTFMove(sharedMemory)));
}
size_t size() const { return m_sharedMemory->size(); }
SharedMemory::Handle createHandle(SharedMemory::Protection);
JSObjectRef createJSWrapper(JSContextRef);
static JSSharedMemory* toWrapped(JSContextRef, JSValueRef);
private:
JSSharedMemory(size_t size)
: m_sharedMemory(*SharedMemory::allocate(size))
{ }
JSSharedMemory(Ref<SharedMemory>&& sharedMemory)
: m_sharedMemory(WTFMove(sharedMemory))
{
}
static JSClassRef wrapperClass();
static JSSharedMemory* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
static JSValueRef readBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef writeBytes(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
Ref<SharedMemory> m_sharedMemory;
};
class JSMessageListener final : public IPC::MessageObserver {
WTF_MAKE_FAST_ALLOCATED;
public:
enum class Type { Incoming, Outgoing };
JSMessageListener(JSIPC&, Type, JSContextRef, JSObjectRef callback);
private:
void willSendMessage(const IPC::Encoder&, OptionSet<IPC::SendOption>) override;
void didReceiveMessage(const IPC::Decoder&) override;
JSC::JSObject* jsDescriptionFromDecoder(JSC::JSGlobalObject*, IPC::Decoder&);
WeakPtr<JSIPC> m_jsIPC;
Type m_type;
JSContextRef m_context;
JSObjectRef m_callback;
};
class JSIPC : public RefCounted<JSIPC>, public CanMakeWeakPtr<JSIPC> {
public:
static Ref<JSIPC> create(WebPage& webPage, WebFrame& webFrame)
{
return adoptRef(*new JSIPC(webPage, webFrame));
}
static JSIPC* toWrapped(JSContextRef, JSValueRef);
static JSClassRef wrapperClass();
WebFrame* webFrame() { return m_webFrame.get(); }
private:
JSIPC(WebPage& webPage, WebFrame& webFrame)
: m_webPage(webPage)
, m_webFrame(webFrame)
{ }
static JSIPC* unwrap(JSObjectRef);
static void initialize(JSContextRef, JSObjectRef);
static void finalize(JSObjectRef);
static const JSStaticFunction* staticFunctions();
static const JSStaticValue* staticValues();
static void addMessageListener(JSMessageListener::Type, JSContextRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef addIncomingMessageListener(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef addOutgoingMessageListener(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef sendSyncMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef waitForMessage(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef createConnectionPair(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef createStreamClientConnection(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef createSemaphore(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef createSharedMemory(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef addTesterReceiver(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef removeTesterReceiver(JSContextRef, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception);
static JSValueRef vmPageSize(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef visitedLinkStoreID(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef webPageProxyID(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef sessionID(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef pageID(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef frameID(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef retrieveID(JSContextRef, JSObjectRef thisObject, JSValueRef* exception, const WTF::Function<uint64_t(JSIPC&)>&);
static JSValueRef messages(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef serializedTypeInfo(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef serializedEnumInfo(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef objectIdentifiers(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
static JSValueRef processTargets(JSContextRef, JSObjectRef, JSStringRef, JSValueRef* exception);
WeakPtr<WebPage> m_webPage;
WeakPtr<WebFrame> m_webFrame;
Vector<UniqueRef<JSMessageListener>> m_messageListeners;
IPCTesterReceiver m_testerProxy;
};
static JSValueRef createTypeError(JSContextRef context, const String& message)
{
JSC::JSLockHolder lock(toJS(context)->vm());
return toRef(JSC::createTypeError(toJS(context), message));
}
static std::optional<uint64_t> convertToUint64(JSC::JSValue jsValue)
{
if (jsValue.isNumber()) {
double value = jsValue.asNumber();
if (value < 0 || trunc(value) != value)
return std::nullopt;
return value;
}
if (jsValue.isBigInt())
return JSC::JSBigInt::toBigUInt64(jsValue);
return std::nullopt;
}
static JSValueRef sendMessageWithJSArguments(IPC::Connection& connection, JSContextRef context, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto destinationID = destinationIDFromArgument(globalObject, arguments[0], exception);
if (!destinationID)
return JSValueMakeUndefined(context);
auto messageID = messageIDFromArgument(globalObject, arguments[1], exception);
if (!messageID)
return JSValueMakeUndefined(context);
auto messageName = static_cast<IPC::MessageName>(*messageID);
auto encoder = makeUniqueRef<IPC::Encoder>(messageName, *destinationID);
if (argumentCount > 2) {
if (!encodeArgument(encoder.get(), context, arguments[2], exception))
return JSValueMakeUndefined(context);
}
JSValueRef returnValue = JSValueMakeUndefined(context);
bool hasReply = !!messageReplyArgumentDescriptions(messageName);
if (hasReply) {
JSObjectRef resolve;
JSObjectRef reject;
ALLOW_NEW_API_WITHOUT_GUARDS_BEGIN
returnValue = JSObjectMakeDeferredPromise(context, &resolve, &reject, exception); // NOLINT
ALLOW_NEW_API_WITHOUT_GUARDS_END
if (!returnValue) // NOLINT
return JSValueMakeUndefined(context);
JSGlobalContextRetain(JSContextGetGlobalContext(context));
JSValueProtect(context, resolve);
JSValueProtect(context, reject);
IPC::Connection::AsyncReplyHandler handler {
[messageName, context, resolve, reject](IPC::Decoder* replyDecoder) {
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
auto* jsResult = jsResultFromReplyDecoder(globalObject, messageName, *replyDecoder);
if (auto* exception = scope.exception()) {
scope.clearException();
JSValueRef arguments[] = { toRef(globalObject, exception) };
JSObjectCallAsFunction(context, reject, reject, 1, arguments, nullptr);
} else {
JSValueRef arguments[] = { toRef(globalObject, jsResult) };
JSObjectCallAsFunction(context, resolve, resolve, 1, arguments, nullptr);
}
JSValueUnprotect(context, reject);
JSValueUnprotect(context, resolve);
JSGlobalContextRelease(JSContextGetGlobalContext(context));
},
IPC::Connection::AsyncReplyID::generate()
};
connection.sendMessageWithAsyncReply(WTFMove(encoder), WTFMove(handler), IPC::SendOption::IPCTestingMessage);
} else
connection.sendMessage(WTFMove(encoder), IPC::SendOption::IPCTestingMessage);
// FIXME: Add the support for specifying IPC options.
return returnValue;
}
namespace {
struct SyncIPCMessageInfo {
uint64_t destinationID;
IPC::MessageName messageName;
IPC::Timeout timeout;
};
}
static std::optional<SyncIPCMessageInfo> extractSyncIPCMessageInfo(JSContextRef context, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
ASSERT(argumentCount >= 2);
auto* globalObject = toJS(context);
auto destinationID = destinationIDFromArgument(globalObject, arguments[0], exception);
if (!destinationID)
return std::nullopt;
auto messageID = messageIDFromArgument(globalObject, arguments[1], exception);
if (!messageID)
return std::nullopt;
Seconds timeoutDuration;
{
auto jsValue = toJS(globalObject, arguments[2]);
if (!jsValue.isNumber()) {
*exception = createTypeError(context, "Timeout must be a number"_s);
return std::nullopt;
}
timeoutDuration = Seconds { jsValue.asNumber() };
}
return { { *destinationID, static_cast<IPC::MessageName>(*messageID), { timeoutDuration } } };
}
static JSValueRef sendSyncMessageWithJSArguments(IPC::Connection& connection, JSContextRef context, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto info = extractSyncIPCMessageInfo(context, argumentCount, arguments, exception);
if (!info)
return JSValueMakeUndefined(context);
auto [destinationID, messageName, timeout] = *info;
// FIXME: Support the options.
IPC::Connection::SyncRequestID syncRequestID;
auto encoder = connection.createSyncMessageEncoder(messageName, destinationID, syncRequestID);
if (argumentCount > 3) {
if (!encodeArgument(encoder.get(), context, arguments[3], exception))
return JSValueMakeUndefined(context);
}
auto replyDecoderOrError = connection.sendSyncMessage(syncRequestID, WTFMove(encoder), timeout, { });
if (replyDecoderOrError.decoder) {
auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
auto* jsResult = jsResultFromReplyDecoder(globalObject, messageName, *replyDecoderOrError.decoder);
if (scope.exception()) {
*exception = toRef(globalObject, scope.exception());
scope.clearException();
return JSValueMakeUndefined(context);
}
return toRef(globalObject, jsResult);
}
return JSValueMakeUndefined(context);
}
static JSValueRef waitForMessageWithJSArguments(IPC::Connection& connection, JSContextRef context, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto info = extractSyncIPCMessageInfo(context, argumentCount, arguments, exception);
if (!info)
return JSValueMakeUndefined(context);
auto [destinationID, messageName, timeout] = *info;
auto decoderOrError = connection.waitForMessageForTesting(messageName, destinationID, timeout, { });
if (decoderOrError.decoder) {
auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
auto jsResult = jsValueForArguments(globalObject, messageName, *decoderOrError.decoder);
if (scope.exception()) {
*exception = toRef(globalObject, scope.exception());
scope.clearException();
return JSValueMakeUndefined(context);
}
return jsResult ? toRef(globalObject, *jsResult) : JSValueMakeUndefined(context);
}
return JSValueMakeUndefined(context);
}
JSObjectRef JSIPCSemaphore::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSIPCSemaphore::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "Semaphore";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPCSemaphore* JSIPCSemaphore::unwrap(JSObjectRef object)
{
return static_cast<JSIPCSemaphore*>(JSObjectGetPrivate(object));
}
JSIPCSemaphore* JSIPCSemaphore::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, nullptr));
}
void JSIPCSemaphore::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPCSemaphore::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSIPCSemaphore::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ "signal", signal, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "waitFor", waitFor, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0 }
};
return functions;
}
JSObjectRef JSIPCConnectionHandle::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSIPCConnectionHandle::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "ConnectionHandle";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPCConnectionHandle* JSIPCConnectionHandle::unwrap(JSObjectRef object)
{
return static_cast<JSIPCConnectionHandle*>(JSObjectGetPrivate(object));
}
JSIPCConnectionHandle* JSIPCConnectionHandle::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, nullptr));
}
void JSIPCConnectionHandle::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPCConnectionHandle::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSIPCConnectionHandle::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ 0, 0, 0 }
};
return functions;
}
JSObjectRef JSIPCConnection::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSIPCConnection::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "Connection";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPCConnection* JSIPCConnection::unwrap(JSObjectRef object)
{
return static_cast<JSIPCConnection*>(JSObjectGetPrivate(object));
}
JSIPCConnection* JSIPCConnection::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, nullptr));
}
void JSIPCConnection::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPCConnection::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
void JSIPCConnection::didReceiveMessage(IPC::Connection&, IPC::Decoder&)
{
ASSERT_NOT_REACHED();
}
bool JSIPCConnection::didReceiveSyncMessage(IPC::Connection&, IPC::Decoder&, UniqueRef<IPC::Encoder>&)
{
ASSERT_NOT_REACHED();
return false;
}
void JSIPCConnection::didClose(IPC::Connection&)
{
}
void JSIPCConnection::didReceiveInvalidMessage(IPC::Connection&, IPC::MessageName)
{
ASSERT_NOT_REACHED();
}
const JSStaticFunction* JSIPCConnection::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ "open", open, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "invalidate", invalidate, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendMessage", sendMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendSyncMessage", sendSyncMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "waitForMessage", waitForMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0 }
};
return functions;
}
JSValueRef JSIPCConnection::open(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
self->m_testedConnection->open(*self);
return JSValueMakeUndefined(context);
}
JSValueRef JSIPCConnection::invalidate(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
self->m_testedConnection->invalidate();
return JSValueMakeUndefined(context);
}
JSValueRef JSIPCConnection::sendMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 2) {
*exception = createTypeError(context, "Must specify the destination ID and message ID as the first two arguments"_s);
return JSValueMakeUndefined(context);
}
return sendMessageWithJSArguments(self->m_testedConnection, context, argumentCount, arguments, exception);
}
JSValueRef JSIPCConnection::sendSyncMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 2) {
*exception = createTypeError(context, "Must specify the destination ID and message ID as the first two arguments"_s);
return JSValueMakeUndefined(context);
}
return sendSyncMessageWithJSArguments(self->m_testedConnection, context, argumentCount, arguments, exception);
}
JSValueRef JSIPCConnection::waitForMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 2) {
*exception = createTypeError(context, "Must specify the destination ID and message ID as the first two arguments"_s);
return JSValueMakeUndefined(context);
}
return waitForMessageWithJSArguments(self->m_testedConnection, context, argumentCount, arguments, exception);
}
JSObjectRef JSIPCStreamClientConnection::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSIPCStreamClientConnection::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "StreamClientConnection";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPCStreamClientConnection* JSIPCStreamClientConnection::unwrap(JSObjectRef object)
{
return static_cast<JSIPCStreamClientConnection*>(JSObjectGetPrivate(object));
}
JSIPCStreamClientConnection* JSIPCStreamClientConnection::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, nullptr));
}
void JSIPCStreamClientConnection::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPCStreamClientConnection::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSIPCStreamClientConnection::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ "open", open, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "invalidate", invalidate, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "streamBuffer", streamBuffer, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "setSemaphores", setSemaphores, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendMessage", sendMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendSyncMessage", sendSyncMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendIPCStreamTesterSyncCrashOnZero", sendIPCStreamTesterSyncCrashOnZero, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "waitForMessage", waitForMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0 }
};
return functions;
}
JSValueRef JSIPCStreamClientConnection::open(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
self->m_streamConnection->open(self->m_dummyMessageReceiver);
return JSValueMakeUndefined(context);
}
JSValueRef JSIPCStreamClientConnection::invalidate(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
self->m_streamConnection->invalidate();
return JSValueMakeUndefined(context);
}
JSValueRef JSIPCStreamClientConnection::streamBuffer(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsStreamConnection = toWrapped(context, thisObject);
if (!jsStreamConnection) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
return JSIPCStreamConnectionBuffer::create(*jsStreamConnection)->createJSWrapper(context);
}
JSValueRef JSIPCStreamClientConnection::setSemaphores(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsStreamConnection = toWrapped(context, thisObject);
if (!jsStreamConnection) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 2) {
*exception = createTypeError(context, "Must specify an IPC semaphore as the first and second argument"_s);
return JSValueMakeUndefined(context);
}
RefPtr jsWakeUpSemaphore = JSIPCSemaphore::toWrapped(context, arguments[0]);
if (!jsWakeUpSemaphore) {
*exception = createTypeError(context, "Wrong type (expected Semaphore)"_s);
return JSValueMakeUndefined(context);
}
RefPtr jsClientWaitSemaphore = JSIPCSemaphore::toWrapped(context, arguments[1]);
if (!jsClientWaitSemaphore) {
*exception = createTypeError(context, "Wrong type (expected Semaphore)"_s);
return JSValueMakeUndefined(context);
}
jsStreamConnection->setSemaphores(*jsWakeUpSemaphore, *jsClientWaitSemaphore);
return JSValueMakeUndefined(context);
}
struct IPCStreamMessageInfo {
uint64_t destinationID;
IPC::MessageName messageName;
IPC::Timeout timeout;
};
static std::optional<IPCStreamMessageInfo> extractIPCStreamMessageInfo(JSContextRef context, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (argumentCount < 3) {
*exception = createTypeError(context, "Must specify destination ID, message ID, and timeout as the first three arguments"_s);
return std::nullopt;
}
auto* globalObject = toJS(context);
auto destinationID = destinationIDFromArgument(globalObject, arguments[0], exception);
if (!destinationID)
return std::nullopt;
auto messageID = messageIDFromArgument(globalObject, arguments[1], exception);
if (!messageID)
return std::nullopt;
Seconds timeoutDuration;
{
auto jsValue = toJS(globalObject, arguments[2]);
if (!jsValue.isNumber()) {
*exception = createTypeError(context, "Timeout must be a number"_s);
return std::nullopt;
}
timeoutDuration = Seconds { jsValue.asNumber() };
}
return { { *destinationID, static_cast<IPC::MessageName>(*messageID), { timeoutDuration } } };
}
bool JSIPCStreamClientConnection::prepareToSendOutOfStreamMessage(JSContextRef context, size_t argumentCount, const JSValueRef arguments[], JSIPC& jsIPC, IPC::StreamClientConnection& streamConnection, IPC::Encoder& encoder, uint64_t destinationID, IPC::Timeout timeout, JSValueRef* exception)
{
// FIXME: Add support for sending in-stream IPC messages when appropriate.
if (argumentCount > 3) {
if (!encodeArgument(encoder, context, arguments[3], exception))
return false;
}
if (streamConnection.trySendDestinationIDIfNeeded(destinationID, timeout) != IPC::Error::NoError)
return false;
auto span = streamConnection.bufferForTesting().tryAcquire(timeout);
if (!span)
return false;
streamConnection.sendProcessOutOfStreamMessage(WTFMove(*span));
return true;
}
JSValueRef JSIPCStreamClientConnection::sendMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto returnValue = JSValueMakeUndefined(context);
RefPtr jsStreamConnection = toWrapped(context, thisObject);
if (!jsStreamConnection) {
*exception = createTypeError(context, "Wrong type"_s);
return returnValue;
}
auto info = extractIPCStreamMessageInfo(context, argumentCount, arguments, exception);
if (!info)
return returnValue;
auto [destinationID, messageName, timeout] = *info;
auto& streamConnection = jsStreamConnection->connection();
auto& connection = streamConnection.connectionForTesting();
auto encoder = makeUniqueRef<IPC::Encoder>(messageName, destinationID);
if (prepareToSendOutOfStreamMessage(context, argumentCount, arguments, *jsStreamConnection->m_jsIPC, streamConnection, encoder.get(), destinationID, timeout, exception))
connection.sendMessage(WTFMove(encoder), IPC::SendOption::IPCTestingMessage);
return returnValue;
}
JSValueRef JSIPCStreamClientConnection::sendSyncMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsStreamConnection = toWrapped(context, thisObject);
if (!jsStreamConnection) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
auto info = extractIPCStreamMessageInfo(context, argumentCount, arguments, exception);
if (!info)
return JSValueMakeUndefined(context);
auto [destinationID, messageName, timeout] = *info;
auto& streamConnection = jsStreamConnection->connection();
auto& connection = streamConnection.connectionForTesting();
IPC::Connection::SyncRequestID syncRequestID;
auto encoder = connection.createSyncMessageEncoder(messageName, destinationID, syncRequestID);
if (!prepareToSendOutOfStreamMessage(context, argumentCount, arguments, *jsStreamConnection->m_jsIPC, streamConnection, encoder.get(), destinationID, timeout, exception))
return JSValueMakeUndefined(context);
auto replyDecoderOrError = connection.sendSyncMessage(syncRequestID, WTFMove(encoder), timeout, { });
if (replyDecoderOrError.decoder) {
auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
auto* jsResult = jsResultFromReplyDecoder(globalObject, messageName, *replyDecoderOrError.decoder);
if (scope.exception()) {
*exception = toRef(globalObject, scope.exception());
scope.clearException();
return JSValueMakeUndefined(context);
}
return toRef(globalObject, jsResult);
}
return JSValueMakeUndefined(context);
}
// FIXME(http://webkit.org/b/237197): Cannot send arbitrary messages, so we hard-code this one to be able to send it.
JSValueRef JSIPCStreamClientConnection::sendIPCStreamTesterSyncCrashOnZero(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsStreamConnection = toWrapped(context, thisObject);
if (!jsStreamConnection) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 3) {
*exception = createTypeError(context, "Must specify destination ID, value, and timeout as the first three arguments"_s);
return JSValueMakeUndefined(context);
}
auto destinationID = destinationIDFromArgument(globalObject, arguments[0], exception);
if (!destinationID)
return JSValueMakeUndefined(context);
int32_t value;
{
auto jsValue = toJS(globalObject, arguments[1]);
if (!jsValue.isNumber()) {
*exception = createTypeError(context, "value must be a number"_s);
return JSValueMakeUndefined(context);
}
value = static_cast<int32_t>(jsValue.asNumber());
}
Seconds timeoutDuration;
{
auto jsValue = toJS(globalObject, arguments[2]);
if (!jsValue.isNumber()) {
*exception = createTypeError(context, "timeout must be a number"_s);
return JSValueMakeUndefined(context);
}
timeoutDuration = Seconds { jsValue.asNumber() };
}
auto& streamConnection = jsStreamConnection->connection();
enum JSIPCStreamTesterIdentifierType { };
auto destination = ObjectIdentifier<JSIPCStreamTesterIdentifierType>(*destinationID);
auto sendResult = streamConnection.sendSync(Messages::IPCStreamTester::SyncCrashOnZero(value), destination, timeoutDuration);
if (!sendResult.succeeded()) {
*exception = createTypeError(context, "sync send failed"_s);
return JSValueMakeUndefined(context);
}
auto [resultValue] = sendResult.takeReply();
return JSValueMakeNumber(context, resultValue);
}
JSValueRef JSIPCStreamClientConnection::waitForMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr self = toWrapped(context, thisObject);
if (!self) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 2) {
*exception = createTypeError(context, "Must specify the destination ID and message ID as the first two arguments"_s);
return JSValueMakeUndefined(context);
}
return waitForMessageWithJSArguments(self->m_streamConnection->connectionForTesting(), context, argumentCount, arguments, exception);
}
JSObjectRef JSIPCStreamConnectionBuffer::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSIPCStreamConnectionBuffer::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "StreamConnectionBuffer";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPCStreamConnectionBuffer* JSIPCStreamConnectionBuffer::unwrap(JSObjectRef object)
{
return static_cast<JSIPCStreamConnectionBuffer*>(JSObjectGetPrivate(object));
}
JSIPCStreamConnectionBuffer* JSIPCStreamConnectionBuffer::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, nullptr));
}
void JSIPCStreamConnectionBuffer::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPCStreamConnectionBuffer::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSIPCStreamConnectionBuffer::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ "readHeaderBytes", readHeaderBytes, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "writeHeaderBytes", writeHeaderBytes, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "readDataBytes", readDataBytes, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "writeDataBytes", writeDataBytes, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0 }
};
return functions;
}
JSObjectRef JSIPCStreamServerConnectionHandle::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSIPCStreamServerConnectionHandle::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "StreamServerConnectionHandle";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPCStreamServerConnectionHandle* JSIPCStreamServerConnectionHandle::unwrap(JSObjectRef object)
{
return static_cast<JSIPCStreamServerConnectionHandle*>(JSObjectGetPrivate(object));
}
JSIPCStreamServerConnectionHandle* JSIPCStreamServerConnectionHandle::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, nullptr));
}
void JSIPCStreamServerConnectionHandle::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPCStreamServerConnectionHandle::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSIPCStreamServerConnectionHandle::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ 0, 0, 0 }
};
return functions;
}
JSValueRef JSIPCSemaphore::signal(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsIPCSemaphore = toWrapped(context, thisObject);
if (!jsIPCSemaphore) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
jsIPCSemaphore->m_semaphore.signal();
return JSValueMakeUndefined(context);
}
JSValueRef JSIPCSemaphore::waitFor(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsIPCSemaphore = toWrapped(context, thisObject);
if (!jsIPCSemaphore) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 1) {
*exception = createTypeError(context, "Must specify the timeout in milliseconds as the first argument"_s);
return JSValueMakeUndefined(context);
}
auto jsValue = toJS(globalObject, arguments[0]);
Seconds timeout;
if (jsValue.isNumber()) {
double milliseconds = jsValue.asNumber();
if (std::isfinite(milliseconds) && milliseconds > 0)
timeout = Seconds::fromMilliseconds(milliseconds);
}
if (!timeout) {
*exception = createTypeError(context, "Timeout must be a positive number"_s);
return JSValueMakeUndefined(context);
}
auto result = jsIPCSemaphore->m_semaphore.waitFor(timeout);
return JSValueMakeBoolean(context, result);
}
SharedMemory::Handle JSSharedMemory::createHandle(SharedMemory::Protection protection)
{
if (auto handle = m_sharedMemory->createHandle(protection))
return WTFMove(*handle);
return { };
}
JSObjectRef JSSharedMemory::createJSWrapper(JSContextRef context)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), wrapperClass(), this);
scope.clearException();
return wrapperObject;
}
JSClassRef JSSharedMemory::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "SharedMemory";
definition.parentClass = nullptr;
definition.staticValues = nullptr;
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSSharedMemory* JSSharedMemory::unwrap(JSObjectRef object)
{
return static_cast<JSSharedMemory*>(JSObjectGetPrivate(object));
}
JSSharedMemory* JSSharedMemory::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, 0));
}
void JSSharedMemory::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSSharedMemory::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSSharedMemory::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ "readBytes", readBytes, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "writeBytes", writeBytes, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0 }
};
return functions;
}
JSValueRef JSSharedMemory::readBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsSharedMemory = toWrapped(context, thisObject);
if (!jsSharedMemory) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
size_t offset = 0;
size_t length = jsSharedMemory->m_sharedMemory->size();
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
if (argumentCount) {
auto offsetValue = convertToUint64(toJS(globalObject, arguments[0]));
if (!offsetValue) {
*exception = createTypeError(context, "The first argument must be a byte offset to read"_s);
return JSValueMakeUndefined(context);
}
if (*offsetValue > length)
offset = length;
else
offset = *offsetValue;
length -= offset;
}
if (argumentCount > 1) {
auto lengthValue = convertToUint64(toJS(globalObject, arguments[1]));
if (!lengthValue) {
*exception = createTypeError(context, "The second argument must be the number of bytes to read"_s);
return JSValueMakeUndefined(context);
}
if (*lengthValue < length)
length = *lengthValue;
}
auto arrayBuffer = JSC::ArrayBuffer::create(static_cast<uint8_t*>(jsSharedMemory->m_sharedMemory->data()) + offset, length);
JSC::JSArrayBuffer* jsArrayBuffer = nullptr;
if (auto* structure = globalObject->arrayBufferStructure(arrayBuffer->sharingMode()))
jsArrayBuffer = JSC::JSArrayBuffer::create(vm, structure, WTFMove(arrayBuffer));
if (!jsArrayBuffer) {
*exception = createTypeError(context, "Failed to create the array buffer for the read bytes"_s);
return JSValueMakeUndefined(context);
}
return toRef(jsArrayBuffer);
}
struct ArrayBufferData {
void* buffer { nullptr };
size_t length { 0 };
};
static ArrayBufferData arrayBufferDataFromValueRef(JSContextRef context, JSTypedArrayType type, JSValueRef valueRef, JSValueRef* exception)
{
auto objectRef = JSValueToObject(context, valueRef, exception);
if (!objectRef)
return { };
void* buffer = nullptr;
if (type == kJSTypedArrayTypeArrayBuffer)
buffer = JSObjectGetArrayBufferBytesPtr(context, objectRef, exception);
else
buffer = JSObjectGetTypedArrayBytesPtr(context, objectRef, exception);
if (!buffer)
return { };
size_t length;
if (type == kJSTypedArrayTypeArrayBuffer)
length = JSObjectGetArrayBufferByteLength(context, objectRef, exception);
else
length = JSObjectGetTypedArrayByteLength(context, objectRef, exception);
return { buffer, length };
}
JSValueRef JSSharedMemory::writeBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsSharedMemory = toWrapped(context, thisObject);
if (!jsSharedMemory) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
auto type = argumentCount ? JSValueGetTypedArrayType(context, arguments[0], exception) : kJSTypedArrayTypeNone;
if (type == kJSTypedArrayTypeNone) {
*exception = createTypeError(context, "The first argument must be an array buffer or a typed array"_s);
return JSValueMakeUndefined(context);
}
auto data = arrayBufferDataFromValueRef(context, type, arguments[0], exception);
if (!data.buffer) {
*exception = createTypeError(context, "Could not read the buffer"_s);
return JSValueMakeUndefined(context);
}
size_t offset = 0;
size_t length = data.length;
size_t sharedMemorySize = jsSharedMemory->m_sharedMemory->size();
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
if (argumentCount > 1) {
auto offsetValue = convertToUint64(toJS(globalObject, arguments[1]));
if (!offsetValue) {
*exception = createTypeError(context, "The second argument must be a byte offset to write"_s);
return JSValueMakeUndefined(context);
}
if (*offsetValue >= sharedMemorySize) {
*exception = createTypeError(context, "Offset is too big"_s);
return JSValueMakeUndefined(context);
}
offset = *offsetValue;
}
if (argumentCount > 2) {
auto lengthValue = convertToUint64(toJS(globalObject, arguments[2]));
if (!lengthValue) {
*exception = createTypeError(context, "The third argument must be the number of bytes to write"_s);
return JSValueMakeUndefined(context);
}
if (*lengthValue >= sharedMemorySize - offset || *lengthValue > length) {
*exception = createTypeError(context, "The number of bytes to write is too big"_s);
return JSValueMakeUndefined(context);
}
length = *lengthValue;
}
memcpy(static_cast<uint8_t*>(jsSharedMemory->m_sharedMemory->data()) + offset, data.buffer, length);
return JSValueMakeUndefined(context);
}
JSValueRef JSIPCStreamConnectionBuffer::readHeaderBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsStreamBuffer = toWrapped(context, thisObject);
if (!jsStreamBuffer) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (!jsStreamBuffer->m_streamConnection) {
*exception = createTypeError(context, "streamConnection not valid"_s);
return JSValueMakeUndefined(context);
}
IPC::StreamConnectionBuffer& buffer = jsStreamBuffer->m_streamConnection->m_streamConnection->bufferForTesting();
std::span<uint8_t> span = buffer.headerForTesting();
return readBytes(context, nullptr, thisObject, argumentCount, arguments, exception, span);
}
JSValueRef JSIPCStreamConnectionBuffer::readDataBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsStreamBuffer = toWrapped(context, thisObject);
if (!jsStreamBuffer) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (!jsStreamBuffer->m_streamConnection) {
*exception = createTypeError(context, "streamConnection not valid"_s);
return JSValueMakeUndefined(context);
}
IPC::StreamConnectionBuffer& buffer = jsStreamBuffer->m_streamConnection->m_streamConnection->bufferForTesting();
std::span<uint8_t> span = buffer.dataForTesting();
return readBytes(context, nullptr, thisObject, argumentCount, arguments, exception, span);
}
JSValueRef JSIPCStreamConnectionBuffer::readBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception, std::span<uint8_t> span)
{
size_t offset = 0;
size_t length = span.size();
uint8_t* data = span.data();
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
if (argumentCount) {
auto offsetValue = convertToUint64(toJS(globalObject, arguments[0]));
if (!offsetValue) {
*exception = createTypeError(context, "The first argument must be a byte offset to read"_s);
return JSValueMakeUndefined(context);
}
if (*offsetValue > length)
offset = length;
else
offset = *offsetValue;
length -= offset;
}
if (argumentCount > 1) {
auto lengthValue = convertToUint64(toJS(globalObject, arguments[1]));
if (!lengthValue) {
*exception = createTypeError(context, "The second argument must be the number of bytes to read"_s);
return JSValueMakeUndefined(context);
}
if (*lengthValue < length)
length = *lengthValue;
}
auto arrayBuffer = JSC::ArrayBuffer::create(data + offset, length);
JSC::JSArrayBuffer* jsArrayBuffer = nullptr;
if (auto* structure = globalObject->arrayBufferStructure(arrayBuffer->sharingMode()))
jsArrayBuffer = JSC::JSArrayBuffer::create(vm, structure, WTFMove(arrayBuffer));
if (!jsArrayBuffer) {
*exception = createTypeError(context, "Failed to create the array buffer for the read bytes"_s);
return JSValueMakeUndefined(context);
}
return toRef(jsArrayBuffer);
}
JSValueRef JSIPCStreamConnectionBuffer::writeHeaderBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsStreamBuffer = toWrapped(context, thisObject);
if (!jsStreamBuffer) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (!jsStreamBuffer->m_streamConnection) {
*exception = createTypeError(context, "streamConnection not valid"_s);
return JSValueMakeUndefined(context);
}
IPC::StreamConnectionBuffer& buffer = jsStreamBuffer->m_streamConnection->m_streamConnection->bufferForTesting();
std::span<uint8_t> span = buffer.headerForTesting();
return writeBytes(context, nullptr, thisObject, argumentCount, arguments, exception, span);
}
JSValueRef JSIPCStreamConnectionBuffer::writeDataBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsStreamBuffer = toWrapped(context, thisObject);
if (!jsStreamBuffer) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (!jsStreamBuffer->m_streamConnection) {
*exception = createTypeError(context, "streamConnection not valid"_s);
return JSValueMakeUndefined(context);
}
IPC::StreamConnectionBuffer& buffer = jsStreamBuffer->m_streamConnection->m_streamConnection->bufferForTesting();
std::span<uint8_t> span = buffer.dataForTesting();
return writeBytes(context, nullptr, thisObject, argumentCount, arguments, exception, span);
}
JSValueRef JSIPCStreamConnectionBuffer::writeBytes(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception, std::span<uint8_t> span)
{
auto type = argumentCount ? JSValueGetTypedArrayType(context, arguments[0], exception) : kJSTypedArrayTypeNone;
if (type == kJSTypedArrayTypeNone) {
*exception = createTypeError(context, "The first argument must be an array buffer or a typed array"_s);
return JSValueMakeUndefined(context);
}
auto data = arrayBufferDataFromValueRef(context, type, arguments[0], exception);
if (!data.buffer) {
*exception = createTypeError(context, "Could not read the buffer"_s);
return JSValueMakeUndefined(context);
}
size_t offset = 0;
size_t length = data.length;
size_t sharedMemorySize = span.size();
uint8_t* destinationData = span.data();
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
if (argumentCount > 1) {
auto offsetValue = convertToUint64(toJS(globalObject, arguments[1]));
if (!offsetValue) {
*exception = createTypeError(context, "The second argument must be a byte offset to write"_s);
return JSValueMakeUndefined(context);
}
if (*offsetValue >= sharedMemorySize) {
*exception = createTypeError(context, "Offset is too big"_s);
return JSValueMakeUndefined(context);
}
offset = *offsetValue;
}
if (argumentCount > 2) {
auto lengthValue = convertToUint64(toJS(globalObject, arguments[2]));
if (!lengthValue) {
*exception = createTypeError(context, "The third argument must be the number of bytes to write"_s);
return JSValueMakeUndefined(context);
}
if (*lengthValue > sharedMemorySize - offset || *lengthValue > length) {
*exception = createTypeError(context, "The number of bytes to write is too big"_s);
return JSValueMakeUndefined(context);
}
length = *lengthValue;
}
memcpy(destinationData + offset, data.buffer, length);
return JSValueMakeUndefined(context);
}
JSClassRef JSIPC::wrapperClass()
{
static JSClassRef jsClass;
if (!jsClass) {
JSClassDefinition definition = kJSClassDefinitionEmpty;
definition.className = "IPC";
definition.parentClass = nullptr;
definition.staticValues = staticValues();
definition.staticFunctions = staticFunctions();
definition.initialize = initialize;
definition.finalize = finalize;
jsClass = JSClassCreate(&definition);
}
return jsClass;
}
inline JSIPC* JSIPC::unwrap(JSObjectRef object)
{
return static_cast<JSIPC*>(JSObjectGetPrivate(object));
}
JSIPC* JSIPC::toWrapped(JSContextRef context, JSValueRef value)
{
if (!context || !value || !JSValueIsObjectOfClass(context, value, wrapperClass()))
return nullptr;
return unwrap(JSValueToObject(context, value, 0));
}
void JSIPC::initialize(JSContextRef, JSObjectRef object)
{
unwrap(object)->ref();
}
void JSIPC::finalize(JSObjectRef object)
{
unwrap(object)->deref();
}
const JSStaticFunction* JSIPC::staticFunctions()
{
static const JSStaticFunction functions[] = {
{ "addIncomingMessageListener", addIncomingMessageListener, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "addOutgoingMessageListener", addOutgoingMessageListener, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendMessage", sendMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sendSyncMessage", sendSyncMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "waitForMessage", waitForMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "createConnectionPair", createConnectionPair, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "createStreamClientConnection", createStreamClientConnection, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "createSemaphore", createSemaphore, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "createSharedMemory", createSharedMemory, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "addTesterReceiver", addTesterReceiver, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "removeTesterReceiver", removeTesterReceiver, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0 }
};
return functions;
}
const JSStaticValue* JSIPC::staticValues()
{
static const JSStaticValue values[] = {
{ "vmPageSize", vmPageSize, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "visitedLinkStoreID", visitedLinkStoreID, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "frameID", frameID, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "pageID", pageID, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "sessionID", sessionID, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "webPageProxyID", webPageProxyID, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "messages", messages, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "serializedTypeInfo", serializedTypeInfo, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "serializedEnumInfo", serializedEnumInfo, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "objectIdentifiers", objectIdentifiers, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ "processTargets", processTargets, 0, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly },
{ 0, 0, 0, 0 }
};
return values;
}
static RefPtr<IPC::Connection> processTargetFromArgument(JSC::JSGlobalObject* globalObject, JSValueRef valueRef, JSValueRef* exception)
{
auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
auto name = toJS(globalObject, valueRef).toWTFString(globalObject);
if (scope.exception())
return nullptr;
if (name == processTargetNameUI)
return WebProcess::singleton().parentProcessConnection();
#if ENABLE(GPU_PROCESS)
if (name == processTargetNameGPU)
return &WebProcess::singleton().ensureGPUProcessConnection().connection();
#endif
if (name == processTargetNameNetworking)
return &WebProcess::singleton().ensureNetworkProcessConnection().connection();
*exception = toRef(JSC::createTypeError(globalObject, "Target process must be UI, GPU, or Networking"_s));
return nullptr;
}
void JSIPC::addMessageListener(JSMessageListener::Type type, JSContextRef context, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return;
}
if (argumentCount < 1) {
*exception = createTypeError(context, "Must specify the target process as the first argument"_s);
return;
}
auto connection = processTargetFromArgument(globalObject, arguments[0], exception);
if (!connection)
return;
std::unique_ptr<JSMessageListener> listener;
if (argumentCount >= 2 && JSValueIsObject(context, arguments[1])) {
auto listenerObjectRef = JSValueToObject(context, arguments[1], exception);
if (JSObjectIsFunction(context, listenerObjectRef))
listener = makeUnique<JSMessageListener>(*jsIPC, type, context, listenerObjectRef);
}
if (!listener) {
*exception = createTypeError(context, "Must specify a callback function as the second argument"_s);
return;
}
connection->addMessageObserver(*listener);
jsIPC->m_messageListeners.append(makeUniqueRefFromNonNullUniquePtr(WTFMove(listener)));
}
JSValueRef JSIPC::addIncomingMessageListener(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
addMessageListener(JSMessageListener::Type::Incoming, context, thisObject, argumentCount, arguments, exception);
return JSValueMakeUndefined(context);
}
JSValueRef JSIPC::addOutgoingMessageListener(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
addMessageListener(JSMessageListener::Type::Outgoing, context, thisObject, argumentCount, arguments, exception);
return JSValueMakeUndefined(context);
}
static std::optional<uint64_t> destinationIDFromArgument(JSC::JSGlobalObject* globalObject, JSValueRef valueRef, JSValueRef* exception)
{
auto jsValue = toJS(globalObject, valueRef);
auto result = convertToUint64(jsValue);
if (!result)
*exception = toRef(JSC::createTypeError(globalObject, "destinationID must be an integer"_s));
return result;
}
static std::optional<uint64_t> messageIDFromArgument(JSC::JSGlobalObject* globalObject, JSValueRef valueRef, JSValueRef* exception)
{
auto jsValue = toJS(globalObject, valueRef);
auto result = convertToUint64(jsValue);
if (!result)
*exception = toRef(JSC::createTypeError(globalObject, "messageID must be an integer"_s));
return result;
}
static bool encodeTypedArray(IPC::Encoder& encoder, JSContextRef context, JSValueRef valueRef, JSTypedArrayType type, JSValueRef* exception)
{
ASSERT(type != kJSTypedArrayTypeNone);
auto data = arrayBufferDataFromValueRef(context, type, valueRef, exception);
if (!data.buffer)
return false;
encoder.encodeSpan(std::span(reinterpret_cast<const uint8_t*>(data.buffer), data.length));
return true;
}
template<typename PointType> bool encodePointType(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSObject* jsObject, JSC::CatchScope& scope)
{
auto& vm = globalObject->vm();
auto jsX = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "x"_s));
if (scope.exception() || !jsX.isNumber())
return false;
auto jsY = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "y"_s));
if (scope.exception() || !jsY.isNumber())
return false;
encoder << PointType(jsX.asNumber(), jsY.asNumber());
return true;
}
template<typename RectType> bool encodeRectType(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSObject* jsObject, JSC::CatchScope& scope)
{
auto& vm = globalObject->vm();
auto jsX = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "x"_s));
if (scope.exception() || !jsX.isNumber())
return false;
auto jsY = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "y"_s));
if (scope.exception() || !jsY.isNumber())
return false;
auto jsWidth = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "width"_s));
if (scope.exception() || !jsWidth.isNumber())
return false;
auto jsHeight = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "height"_s));
if (scope.exception() || !jsHeight.isNumber())
return false;
encoder << RectType(jsX.asNumber(), jsY.asNumber(), jsWidth.asNumber(), jsHeight.asNumber());
return true;
}
template<typename IntegralType> bool encodeNumericType(IPC::Encoder& encoder, JSC::JSValue jsValue)
{
if (jsValue.isBigInt()) {
// FIXME: Support negative BigInt.
uint64_t result = JSC::JSBigInt::toBigUInt64(jsValue);
encoder << static_cast<IntegralType>(result);
return true;
}
if (!jsValue.isNumber())
return false;
double value = jsValue.asNumber();
encoder << static_cast<IntegralType>(value);
return true;
}
#if ENABLE(GPU_PROCESS)
template <typename ObjectIdentifierType>
std::optional<ObjectIdentifier<ObjectIdentifierType>> getObjectIdentifierFromProperty(JSC::JSGlobalObject* globalObject, JSC::JSObject* jsObject, ASCIILiteral propertyName, JSC::CatchScope& scope)
{
auto jsPropertyValue = jsObject->get(globalObject, JSC::Identifier::fromString(globalObject->vm(), propertyName));
if (scope.exception())
return std::nullopt;
auto number = convertToUint64(jsPropertyValue);
if (!number)
return std::nullopt;
return ObjectIdentifier<ObjectIdentifierType>(*number);
}
static bool encodeRemoteRenderingBackendCreationParameters(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSObject* jsObject, JSC::CatchScope& scope)
{
auto identifier = getObjectIdentifierFromProperty<RenderingBackendIdentifierType>(globalObject, jsObject, "identifier"_s, scope);
if (!identifier)
return false;
auto pageProxyID = getObjectIdentifierFromProperty<WebPageProxyIdentifierType>(globalObject, jsObject, "pageProxyID"_s, scope);
if (!pageProxyID)
return false;
auto pageID = getObjectIdentifierFromProperty<WebCore::PageIdentifierType>(globalObject, jsObject, "pageID"_s, scope);
if (!pageID)
return false;
RemoteRenderingBackendCreationParameters parameters { *identifier, *pageProxyID, *pageID };
encoder << parameters;
return true;
}
#endif
static bool encodeSharedMemory(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSObject* jsObject, JSC::CatchScope& scope)
{
auto jsSharedMemoryValue = jsObject->get(globalObject, JSC::Identifier::fromString(globalObject->vm(), "value"_s));
if (scope.exception())
return false;
RefPtr jsSharedMemory = JSSharedMemory::toWrapped(toRef(globalObject), toRef(jsSharedMemoryValue));
if (!jsSharedMemory)
return false;
auto jsProtectionValue = jsObject->get(globalObject, JSC::Identifier::fromString(globalObject->vm(), "protection"_s));
if (scope.exception())
return false;
if (jsProtectionValue.isUndefined())
return false;
auto protectionValue = jsProtectionValue.toWTFString(globalObject);
if (scope.exception())
return false;
auto protection = SharedMemory::Protection::ReadWrite;
if (equalLettersIgnoringASCIICase(protectionValue, "readonly"_s))
protection = SharedMemory::Protection::ReadOnly;
else if (!equalLettersIgnoringASCIICase(protectionValue, "readwrite"_s))
return false;
encoder << jsSharedMemory->createHandle(protection);
return true;
}
static bool encodeFrameInfoData(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSObject* jsObject, JSC::CatchScope& scope)
{
auto jsIPCValue = jsObject->get(globalObject, JSC::Identifier::fromString(globalObject->vm(), "value"_s));
if (scope.exception())
return false;
RefPtr jsIPC = JSIPC::toWrapped(toRef(globalObject), toRef(jsIPCValue));
if (!jsIPC)
return false;
RefPtr webFrame = jsIPC->webFrame();
if (!webFrame)
return false;
encoder << webFrame->info();
return true;
}
static bool encodeStreamConnectionBuffer(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSValue jsValue, JSC::CatchScope& scope)
{
RefPtr jsIPCStreamConnectionBuffer = JSIPCStreamConnectionBuffer::toWrapped(toRef(globalObject), toRef(jsValue));
if (!jsIPCStreamConnectionBuffer)
return false;
jsIPCStreamConnectionBuffer->encode(encoder);
return true;
}
static bool encodeStreamServerConnectionHandle(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSValue jsValue, JSC::CatchScope& scope)
{
RefPtr JSIPCStreamServerConnectionHandle = JSIPCStreamServerConnectionHandle::toWrapped(toRef(globalObject), toRef(jsValue));
if (!JSIPCStreamServerConnectionHandle)
return false;
JSIPCStreamServerConnectionHandle->encode(encoder);
return true;
}
static bool encodeSemaphore(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSValue jsValue, JSC::CatchScope& scope)
{
RefPtr jsIPCSemaphore = JSIPCSemaphore::toWrapped(toRef(globalObject), toRef(jsValue));
if (!jsIPCSemaphore)
return false;
jsIPCSemaphore->encode(encoder);
return true;
}
static bool encodeConnectionHandle(IPC::Encoder& encoder, JSC::JSGlobalObject* globalObject, JSC::JSValue jsValue, JSC::CatchScope& scope)
{
RefPtr JSIPCConnectionHandle = JSIPCConnectionHandle::toWrapped(toRef(globalObject), toRef(jsValue));
if (!JSIPCConnectionHandle)
return false;
JSIPCConnectionHandle->encode(encoder);
return true;
}
struct VectorEncodeHelper {
JSContextRef context;
JSValueRef valueRef;
JSValueRef* exception;
bool& success;
void encode(IPC::Encoder& encoder) const
{
if (!success)
return;
success = encodeArgument(encoder, context, valueRef, exception);
}
};
enum class ArrayMode { Tuple, Vector };
static bool encodeArrayArgument(IPC::Encoder& encoder, ArrayMode arrayMode, JSContextRef context, JSValueRef valueRef, JSValueRef* exception)
{
auto objectRef = JSValueToObject(context, valueRef, exception);
ASSERT(objectRef);
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
auto* jsObject = toJS(objectRef);
auto jsLength = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "length"_s));
if (scope.exception())
return false;
if (!jsLength.isNumber()) {
*exception = createTypeError(context, "Array length is not a number"_s);
return false;
}
auto length = jsLength.asNumber();
Vector<VectorEncodeHelper> vector;
bool success = true;
for (unsigned i = 0; i < length; ++i) {
auto itemRef = JSObjectGetPropertyAtIndex(context, objectRef, i, exception);
if (!itemRef)
return false;
vector.append(VectorEncodeHelper { context, itemRef, exception, success });
}
if (arrayMode == ArrayMode::Tuple) {
for (auto& item : vector)
item.encode(encoder);
} else
encoder << vector;
return success;
}
static bool encodeArgument(IPC::Encoder& encoder, JSContextRef context, JSValueRef valueRef, JSValueRef* exception)
{
auto objectRef = JSValueToObject(context, valueRef, exception);
if (!objectRef)
return false;
if (auto type = JSValueGetTypedArrayType(context, objectRef, exception); type != kJSTypedArrayTypeNone)
return encodeTypedArray(encoder, context, objectRef, type, exception);
if (JSValueIsArray(context, objectRef))
return encodeArrayArgument(encoder, ArrayMode::Tuple, context, objectRef, exception);
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(globalObject->vm());
auto* jsObject = toJS(globalObject, objectRef).getObject();
ASSERT(jsObject);
auto jsType = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "type"_s));
if (scope.exception())
return false;
auto type = jsType.toWTFString(globalObject);
if (scope.exception())
return false;
if (type == "IntPoint"_s) {
if (!encodePointType<WebCore::IntPoint>(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to convert IntPoint"_s);
return false;
}
return true;
}
if (type == "FloatPoint"_s) {
if (!encodePointType<WebCore::IntPoint>(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to convert FloatPoint"_s);
return false;
}
return true;
}
if (type == "IntRect"_s) {
if (!encodeRectType<WebCore::IntRect>(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to convert IntRect"_s);
return false;
}
return true;
}
if (type == "FloatRect"_s) {
if (!encodeRectType<WebCore::FloatRect>(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to convert FloatRect"_s);
return false;
}
return true;
}
#if ENABLE(GPU_PROCESS)
if (type == "RemoteRenderingBackendCreationParameters"_s) {
if (!encodeRemoteRenderingBackendCreationParameters(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to convert RemoteRenderingBackendCreationParameters"_s);
return false;
}
return true;
}
#endif
if (type == "SharedMemory"_s) {
if (!encodeSharedMemory(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to convert SharedMemory"_s);
return false;
}
return true;
}
if (type == "FrameInfoData"_s) {
if (!encodeFrameInfoData(encoder, globalObject, jsObject, scope)) {
*exception = createTypeError(context, "Failed to get the frame"_s);
return false;
}
return true;
}
auto jsValue = jsObject->get(globalObject, JSC::Identifier::fromString(vm, "value"_s));
if (scope.exception())
return false;
if (type == "StreamConnectionBuffer"_s) {
if (!encodeStreamConnectionBuffer(encoder, globalObject, jsValue, scope)) {
*exception = createTypeError(context, "Failed to convert StreamConnectionBuffer"_s);
return false;
}
return true;
}
if (type == "StreamServerConnectionHandle"_s) {
if (!encodeStreamServerConnectionHandle(encoder, globalObject, jsValue, scope)) {
*exception = createTypeError(context, "Failed to convert StreamServerConnectionHandle"_s);
return false;
}
return true;
}
if (type == "Semaphore"_s) {
if (!encodeSemaphore(encoder, globalObject, jsValue, scope)) {
*exception = createTypeError(context, "Failed to convert Semaphore"_s);
return false;
}
return true;
}
if (type == "ConnectionHandle"_s) {
if (!encodeConnectionHandle(encoder, globalObject, jsValue, scope)) {
*exception = createTypeError(context, "Failed to convert ConnectionHandle"_s);
return false;
}
return true;
}
if (type == "Vector"_s) {
if (!jsValue.inherits<JSC::JSArray>()) {
*exception = createTypeError(context, "Vector value must be an array"_s);
return false;
}
return encodeArrayArgument(encoder, ArrayMode::Vector, context, toRef(globalObject, jsValue), exception);
}
if (type == "String"_s) {
if (jsValue.isUndefinedOrNull()) {
encoder << String { };
return true;
}
auto string = jsValue.toWTFString(globalObject);
if (scope.exception())
return false;
encoder << string;
return true;
}
if (type == "URL"_s) {
if (jsValue.isUndefinedOrNull()) {
encoder << URL { };
return true;
}
auto string = jsValue.toWTFString(globalObject);
if (scope.exception())
return false;
encoder << URL { string };
return true;
}
if (type == "RegistrableDomain"_s) {
if (jsValue.isUndefinedOrNull()) {
encoder << WebCore::RegistrableDomain { };
return true;
}
auto string = jsValue.toWTFString(globalObject);
if (scope.exception())
return false;
encoder << WebCore::RegistrableDomain { URL { string } };
return true;
}
if (type == "FrameID"_s) {
uint64_t frameIdentifier = jsValue.get(globalObject, 0u).toBigUInt64(globalObject);
uint64_t processIdentifier = jsValue.get(globalObject, 1u).toBigUInt64(globalObject);
if (!frameIdentifier || !processIdentifier)
return false;
encoder << WebCore::FrameIdentifier {
ObjectIdentifier<WebCore::FrameIdentifierType>(frameIdentifier),
ObjectIdentifier<WebCore::ProcessIdentifierType>(processIdentifier)
};
return true;
}
if (type == "RGBA"_s) {
if (!jsValue.isNumber()) {
*exception = createTypeError(context, "RGBA value should be a number"_s);
return false;
}
uint32_t rgba = jsValue.asNumber();
encoder << WebCore::Color { WebCore::asSRGBA(WebCore::PackedColor::RGBA(rgba)) };
return true;
}
bool numericResult;
if (type == "bool"_s)
numericResult = encodeNumericType<bool>(encoder, jsValue);
else if (type == "double"_s)
numericResult = encodeNumericType<double>(encoder, jsValue);
else if (type == "float"_s)
numericResult = encodeNumericType<float>(encoder, jsValue);
else if (type == "int8_t"_s)
numericResult = encodeNumericType<int8_t>(encoder, jsValue);
else if (type == "int16_t"_s)
numericResult = encodeNumericType<int16_t>(encoder, jsValue);
else if (type == "int32_t"_s)
numericResult = encodeNumericType<int32_t>(encoder, jsValue);
else if (type == "int64_t"_s)
numericResult = encodeNumericType<int64_t>(encoder, jsValue);
else if (type == "uint8_t"_s)
numericResult = encodeNumericType<uint8_t>(encoder, jsValue);
else if (type == "uint16_t"_s)
numericResult = encodeNumericType<uint16_t>(encoder, jsValue);
else if (type == "uint32_t"_s)
numericResult = encodeNumericType<uint32_t>(encoder, jsValue);
else if (type == "uint64_t"_s)
numericResult = encodeNumericType<uint64_t>(encoder, jsValue);
else {
*exception = createTypeError(context, "Bad type name"_s);
return false;
}
if (!numericResult) {
*exception = createTypeError(context, "Failed to encode a number"_s);
return false;
}
return true;
}
static JSC::JSObject* jsResultFromReplyDecoder(JSC::JSGlobalObject* globalObject, IPC::MessageName messageName, IPC::Decoder& decoder)
{
auto& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto arrayBuffer = JSC::ArrayBuffer::create(decoder.buffer(), decoder.length());
JSC::JSArrayBuffer* jsArrayBuffer = nullptr;
if (auto* structure = globalObject->arrayBufferStructure(arrayBuffer->sharingMode()))
jsArrayBuffer = JSC::JSArrayBuffer::create(vm, structure, WTFMove(arrayBuffer));
if (!jsArrayBuffer) {
throwException(globalObject, scope, JSC::createTypeError(globalObject, "Failed to create the array buffer for the reply"_s));
return nullptr;
}
auto jsReplyArguments = jsValueForReplyArguments(globalObject, messageName, decoder);
if (!jsReplyArguments) {
throwException(globalObject, scope, JSC::createTypeError(globalObject, "Failed to decode the reply"_s));
return nullptr;
}
if (jsReplyArguments->isEmpty()) {
throwException(globalObject, scope, JSC::createTypeError(globalObject, "Failed to convert the reply to an JS array"_s));
return nullptr;
}
auto catchScope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* jsResult = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(catchScope, nullptr);
jsResult->putDirect(vm, vm.propertyNames->arguments, *jsReplyArguments);
RETURN_IF_EXCEPTION(catchScope, nullptr);
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "buffer"_s), jsArrayBuffer);
RETURN_IF_EXCEPTION(catchScope, nullptr);
return jsResult;
}
JSValueRef JSIPC::sendMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 3) {
*exception = createTypeError(context, "Must specify the target process, destination ID, and message ID as the first three arguments"_s);
return JSValueMakeUndefined(context);
}
auto connection = processTargetFromArgument(globalObject, arguments[0], exception);
if (!connection)
return JSValueMakeUndefined(context);
return sendMessageWithJSArguments(*connection, context, argumentCount - 1, arguments + 1, exception);
}
JSValueRef JSIPC::waitForMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 3) {
*exception = createTypeError(context, "Must specify the target process, destination ID, and message ID as the first three arguments"_s);
return JSValueMakeUndefined(context);
}
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto connection = processTargetFromArgument(globalObject, arguments[0], exception);
if (!connection)
return JSValueMakeUndefined(context);
return waitForMessageWithJSArguments(*connection, context, argumentCount - 1, arguments + 1, exception);
}
JSValueRef JSIPC::sendSyncMessage(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 3) {
*exception = createTypeError(context, "Must specify the target process, destination ID, and message ID as the first three arguments"_s);
return JSValueMakeUndefined(context);
}
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto connection = processTargetFromArgument(globalObject, arguments[0], exception);
if (!connection)
return JSValueMakeUndefined(context);
return sendSyncMessageWithJSArguments(*connection, context, argumentCount - 1, arguments + 1, exception);
}
JSValueRef JSIPC::createConnectionPair(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
auto connectionIdentifiers = IPC::Connection::createConnectionIdentifierPair();
if (!connectionIdentifiers)
return JSValueMakeUndefined(context);
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
auto& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* connectionPairObject = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
int index = 0;
auto jsValue = toJS(globalObject, JSIPCConnection::create(WTFMove(connectionIdentifiers->server))->createJSWrapper(context));
connectionPairObject->putDirectIndex(globalObject, index++, jsValue);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
jsValue = toJS(globalObject, JSIPCConnectionHandle::create(WTFMove(connectionIdentifiers->client))->createJSWrapper(context));
connectionPairObject->putDirectIndex(globalObject, index++, jsValue);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
return toRef(vm, connectionPairObject);
}
JSValueRef JSIPC::createStreamClientConnection(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
JSC::JSLockHolder lock(globalObject->vm());
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
if (argumentCount < 1) {
*exception = createTypeError(context, "Must specify the buffer size as the first argument"_s);
return JSValueMakeUndefined(context);
}
auto bufferSizeLog2 = argumentCount ? convertToUint64(toJS(globalObject, arguments[0])) : std::optional<uint64_t> { };
if (!bufferSizeLog2) {
*exception = createTypeError(context, "Must specify the size"_s);
return JSValueMakeUndefined(context);
}
auto connectionPair = IPC::StreamClientConnection::create(*bufferSizeLog2);
auto& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* connectionPairObject = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
int index = 0;
auto jsValue = toJS(globalObject, JSIPCStreamClientConnection::create(*jsIPC, WTFMove(connectionPair.streamConnection))->createJSWrapper(context));
connectionPairObject->putDirectIndex(globalObject, index++, jsValue);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
jsValue = toJS(globalObject, JSIPCStreamServerConnectionHandle::create(WTFMove(connectionPair.connectionHandle))->createJSWrapper(context));
connectionPairObject->putDirectIndex(globalObject, index++, jsValue);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
return toRef(vm, connectionPairObject);
}
JSValueRef JSIPC::createSemaphore(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
return JSIPCSemaphore::create()->createJSWrapper(context);
}
JSValueRef JSIPC::createSharedMemory(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
{
if (!toWrapped(context, thisObject)) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto size = argumentCount ? convertToUint64(toJS(globalObject, arguments[0])) : std::optional<uint64_t> { };
if (!size) {
*exception = createTypeError(context, "Must specify the size"_s);
return JSValueMakeUndefined(context);
}
return JSSharedMemory::create(*size)->createJSWrapper(context);
}
JSValueRef JSIPC::addTesterReceiver(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto* impl = toWrapped(context, thisObject);
if (!impl) {
*exception = toRef(JSC::createTypeError(toJS(context), "Wrong type"_s));
return JSValueMakeUndefined(context);
}
// Currently supports only UI process, as there's no uniform way to add message receivers.
WebProcess::singleton().addMessageReceiver(Messages::IPCTesterReceiver::messageReceiverName(), impl->m_testerProxy);
return JSValueMakeUndefined(context);
}
JSValueRef JSIPC::removeTesterReceiver(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t, const JSValueRef[], JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto* impl = toWrapped(context, thisObject);
if (!impl) {
*exception = toRef(JSC::createTypeError(toJS(context), "Wrong type"_s));
return JSValueMakeUndefined(context);
}
WebProcess::singleton().removeMessageReceiver(Messages::IPCTesterReceiver::messageReceiverName());
return JSValueMakeUndefined(context);
}
JSValueRef JSIPC::serializedTypeInfo(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* object = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
for (auto& type : allSerializedTypes()) {
JSC::JSObject* membersArray = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
for (size_t i = 0; i < type.members.size(); i++) {
JSC::JSObject* entry = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
entry->putDirect(vm, JSC::Identifier::fromString(vm, "type"_s), JSC::jsString(vm, String(type.members[i].type)));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
entry->putDirect(vm, JSC::Identifier::fromString(vm, "name"_s), JSC::jsString(vm, String(type.members[i].name)));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
membersArray->putDirectIndex(globalObject, i, entry);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
}
object->putDirect(vm, JSC::Identifier::fromString(vm, String(type.name)), membersArray);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
}
return toRef(vm, object);
}
JSValueRef JSIPC::serializedEnumInfo(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* object = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
for (auto& enumeration : allSerializedEnums()) {
JSC::JSObject* enumObject = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
JSObjectRef jsEnumObject = JSValueToObject(context, toRef(vm, enumObject), exception);
if (*exception)
return JSValueMakeUndefined(context);
Vector<JSValueRef> validValuesArray;
validValuesArray.reserveInitialCapacity(enumeration.validValues.size());
for (auto& validValue : enumeration.validValues)
validValuesArray.uncheckedAppend(JSValueMakeNumber(context, validValue));
JSObjectRef jsValidValues = JSObjectMakeArray(context, enumeration.validValues.size(), validValuesArray.data(), exception);
if (*exception)
return JSValueMakeUndefined(context);
JSObjectSetProperty(context, jsEnumObject, adopt(JSStringCreateWithUTF8CString("validValues")).get(), jsValidValues, kJSPropertyAttributeNone, exception);
if (*exception)
return JSValueMakeUndefined(context);
JSObjectSetProperty(context, jsEnumObject, adopt(JSStringCreateWithUTF8CString("isOptionSet")).get(), JSValueMakeNumber(context, enumeration.isOptionSet), kJSPropertyAttributeNone, exception);
if (*exception)
return JSValueMakeUndefined(context);
JSObjectSetProperty(context, jsEnumObject, adopt(JSStringCreateWithUTF8CString("size")).get(), JSValueMakeNumber(context, enumeration.size), kJSPropertyAttributeNone, exception);
if (*exception)
return JSValueMakeUndefined(context);
object->putDirect(vm, JSC::Identifier::fromString(vm, String(enumeration.name)), enumObject);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
}
return toRef(vm, object);
}
JSValueRef JSIPC::objectIdentifiers(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* array = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
auto identifiers = IPC::serializedIdentifiers();
for (size_t i = 0; i < identifiers.size(); i++) {
array->putDirectIndex(globalObject, i, toJS(JSValueMakeString(context, adopt(JSStringCreateWithUTF8CString(identifiers[i].characters())).get())));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
}
return toRef(vm, array);
}
JSValueRef JSIPC::vmPageSize(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
RefPtr jsIPC = toWrapped(context, thisObject);
if (!jsIPC) {
*exception = createTypeError(context, "Wrong type"_s);
return JSValueMakeUndefined(context);
}
return JSValueMakeNumber(context, pageSize());
}
JSValueRef JSIPC::visitedLinkStoreID(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
return retrieveID(context, thisObject, exception, [](JSIPC& wrapped) {
Ref webPage = *wrapped.m_webPage;
return webPage->visitedLinkTableID();
});
}
JSValueRef JSIPC::frameID(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* array = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
RefPtr<JSIPC> wrapped = toWrapped(context, thisObject);
if (!wrapped) {
*exception = toRef(JSC::createTypeError(toJS(context), "Wrong type"_s));
return JSValueMakeUndefined(context);
}
auto frameID = wrapped->m_webFrame->frameID();
array->putDirectIndex(globalObject, 0, JSC::JSBigInt::createFrom(globalObject, frameID.object().toUInt64()));
array->putDirectIndex(globalObject, 1, JSC::JSBigInt::createFrom(globalObject, frameID.processIdentifier().toUInt64()));
return toRef(vm, array);
}
JSValueRef JSIPC::pageID(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
return retrieveID(context, thisObject, exception, [](JSIPC& wrapped) {
return wrapped.m_webPage->identifier().toUInt64();
});
}
JSValueRef JSIPC::sessionID(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
return retrieveID(context, thisObject, exception, [](JSIPC& wrapped) {
return wrapped.m_webPage->sessionID().toUInt64();
});
}
JSValueRef JSIPC::webPageProxyID(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
return retrieveID(context, thisObject, exception, [](JSIPC& wrapped) {
return wrapped.m_webPage->webPageProxyID();
});
}
JSValueRef JSIPC::retrieveID(JSContextRef context, JSObjectRef thisObject, JSValueRef* exception, const WTF::Function<uint64_t(JSIPC&)>& callback)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
RefPtr<JSIPC> wrapped = toWrapped(context, thisObject);
if (!wrapped) {
*exception = toRef(JSC::createTypeError(toJS(context), "Wrong type"_s));
return JSValueMakeUndefined(context);
}
auto id = callback(*wrapped);
JSC::JSCell* jsValue = JSC::JSBigInt::createFrom(globalObject, id);
return toRef(vm, jsValue);
}
static JSC::JSValue createJSArrayForArgumentDescriptions(JSC::JSGlobalObject* globalObject, std::optional<Vector<IPC::ArgumentDescription>>&& argumentDescriptions)
{
if (!argumentDescriptions)
return JSC::jsNull();
auto& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* argumentsArray = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
for (unsigned argumentIndex = 0; argumentIndex < argumentDescriptions->size(); ++argumentIndex) {
auto& description = argumentDescriptions->at(argumentIndex);
JSC::JSObject* jsDescriptions = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
argumentsArray->putDirectIndex(globalObject, argumentIndex, jsDescriptions);
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
jsDescriptions->putDirect(vm, JSC::Identifier::fromString(vm, "name"_s), JSC::jsString(vm, String::fromLatin1(description.name)));
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
jsDescriptions->putDirect(vm, JSC::Identifier::fromString(vm, "type"_s), JSC::jsString(vm, String::fromLatin1(description.type)));
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
jsDescriptions->putDirect(vm, JSC::Identifier::fromString(vm, "optional"_s), JSC::jsBoolean(description.isOptional));
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
if (description.enumName) {
jsDescriptions->putDirect(vm, JSC::Identifier::fromString(vm, "enum"_s), JSC::jsString(vm, String::fromLatin1(description.enumName)));
RETURN_IF_EXCEPTION(scope, JSC::jsTDZValue());
}
}
return argumentsArray;
}
JSValueRef JSIPC::messages(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto* impl = toWrapped(context, thisObject);
if (!impl) {
*exception = toRef(JSC::createTypeError(toJS(context), "Wrong type"_s));
return JSValueMakeUndefined(context);
}
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* messagesObject = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
auto nameIdent = JSC::Identifier::fromString(vm, "name"_s);
auto replyArgumentsIdent = JSC::Identifier::fromString(vm, "replyArguments"_s);
auto isSyncIdent = JSC::Identifier::fromString(vm, "isSync"_s);
for (unsigned i = 0; i < static_cast<unsigned>(IPC::MessageName::Last); ++i) {
auto name = static_cast<IPC::MessageName>(i);
JSC::JSObject* dictionary = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
dictionary->putDirect(vm, nameIdent, JSC::JSValue(i));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
auto argumentDescriptions = createJSArrayForArgumentDescriptions(globalObject, IPC::messageArgumentDescriptions(name));
if (argumentDescriptions.isEmpty())
return JSValueMakeUndefined(context);
dictionary->putDirect(vm, vm.propertyNames->arguments, argumentDescriptions);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
auto replyArgumentDescriptions = createJSArrayForArgumentDescriptions(globalObject, IPC::messageReplyArgumentDescriptions(name));
if (replyArgumentDescriptions.isEmpty())
return JSValueMakeUndefined(context);
dictionary->putDirect(vm, replyArgumentsIdent, replyArgumentDescriptions);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
dictionary->putDirect(vm, isSyncIdent, JSC::jsBoolean(messageIsSync(name)));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
messagesObject->putDirect(vm, JSC::Identifier::fromLatin1(vm, description(name)), dictionary);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
}
return toRef(vm, messagesObject);
}
JSValueRef JSIPC::processTargets(JSContextRef context, JSObjectRef thisObject, JSStringRef, JSValueRef* exception)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto* impl = toWrapped(context, thisObject);
if (!impl) {
*exception = toRef(JSC::createTypeError(toJS(context), "Wrong type"_s));
return JSValueMakeUndefined(context);
}
auto scope = DECLARE_CATCH_SCOPE(vm);
JSC::JSObject* processTargetsObject = JSC::constructEmptyArray(globalObject, nullptr);
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
int index = 0;
processTargetsObject->putDirectIndex(globalObject, index++, JSC::jsNontrivialString(vm, processTargetNameUI));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
#if ENABLE(GPU_PROCESS)
processTargetsObject->putDirectIndex(globalObject, index++, JSC::jsNontrivialString(vm, processTargetNameGPU));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
#endif
processTargetsObject->putDirectIndex(globalObject, index++, JSC::jsNontrivialString(vm, processTargetNameNetworking));
RETURN_IF_EXCEPTION(scope, JSValueMakeUndefined(context));
return toRef(vm, processTargetsObject);
}
JSMessageListener::JSMessageListener(JSIPC& jsIPC, Type type, JSContextRef context, JSObjectRef callback)
: m_jsIPC(jsIPC)
, m_type(type)
, m_context(context)
, m_callback(callback)
{
auto* globalObject = toJS(context);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto catchScope = DECLARE_CATCH_SCOPE(vm);
// We can't retain the global context here as that would cause a leak
// since this object is supposed to live as long as the global object is alive.
JSC::PrivateName uniquePrivateName(JSC::PrivateName::Description, "listener"_s);
globalObject->putDirect(vm, uniquePrivateName, toJS(globalObject, callback));
UNUSED_PARAM(catchScope);
}
void JSMessageListener::didReceiveMessage(const IPC::Decoder& decoder)
{
if (m_type != Type::Incoming)
return;
RELEASE_ASSERT(m_jsIPC);
Ref protectOwnerOfThis = *m_jsIPC;
auto* globalObject = toJS(m_context);
JSC::JSLockHolder lock(globalObject->vm());
auto mutableDecoder = IPC::Decoder::create(decoder.buffer(), decoder.length(), { });
auto* description = jsDescriptionFromDecoder(globalObject, *mutableDecoder);
JSValueRef arguments[] = { description ? toRef(globalObject, description) : JSValueMakeUndefined(m_context) };
JSObjectCallAsFunction(m_context, m_callback, m_callback, std::size(arguments), arguments, nullptr);
}
void JSMessageListener::willSendMessage(const IPC::Encoder& encoder, OptionSet<IPC::SendOption>)
{
if (m_type != Type::Outgoing)
return;
RELEASE_ASSERT(m_jsIPC);
Ref protectOwnerOfThis = *m_jsIPC;
auto* globalObject = toJS(m_context);
JSC::JSLockHolder lock(globalObject->vm());
auto decoder = IPC::Decoder::create(encoder.buffer(), encoder.bufferSize(), { });
auto* description = jsDescriptionFromDecoder(globalObject, *decoder);
JSValueRef arguments[] = { description ? toRef(globalObject, description) : JSValueMakeUndefined(m_context) };
JSObjectCallAsFunction(m_context, m_callback, m_callback, std::size(arguments), arguments, nullptr);
}
JSC::JSObject* JSMessageListener::jsDescriptionFromDecoder(JSC::JSGlobalObject* globalObject, IPC::Decoder& decoder)
{
auto& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
auto* jsResult = constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, nullptr);
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "name"_s), JSC::JSValue(static_cast<unsigned>(decoder.messageName())));
RETURN_IF_EXCEPTION(scope, nullptr);
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "description"_s), JSC::jsString(vm, String::fromLatin1(IPC::description(decoder.messageName()))));
RETURN_IF_EXCEPTION(scope, nullptr);
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "destinationID"_s), JSC::JSValue(decoder.destinationID()));
RETURN_IF_EXCEPTION(scope, nullptr);
if (decoder.isSyncMessage()) {
IPC::Connection::SyncRequestID syncRequestID;
if (decoder.decode(syncRequestID)) {
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "syncRequestID"_s), JSC::JSValue(syncRequestID.toUInt64()));
RETURN_IF_EXCEPTION(scope, nullptr);
}
}
auto arrayBuffer = JSC::ArrayBuffer::create(decoder.buffer(), decoder.length());
if (auto* structure = globalObject->arrayBufferStructure(arrayBuffer->sharingMode())) {
if (auto* jsArrayBuffer = JSC::JSArrayBuffer::create(vm, structure, WTFMove(arrayBuffer))) {
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "buffer"_s), jsArrayBuffer);
RETURN_IF_EXCEPTION(scope, nullptr);
}
}
auto jsReplyArguments = jsValueForArguments(globalObject, decoder.messageName(), decoder);
if (jsReplyArguments) {
jsResult->putDirect(vm, vm.propertyNames->arguments, jsReplyArguments->isEmpty() ? JSC::jsNull() : *jsReplyArguments);
RETURN_IF_EXCEPTION(scope, nullptr);
}
if (!decoder.isSyncMessage() && messageReplyArgumentDescriptions(decoder.messageName())) {
if (IPC::Connection::AsyncReplyID asyncReplyID; decoder.decode(asyncReplyID)) {
jsResult->putDirect(vm, JSC::Identifier::fromString(vm, "listenerID"_s), JSC::JSValue(asyncReplyID.toUInt64()));
RETURN_IF_EXCEPTION(scope, nullptr);
}
}
return jsResult;
}
void inject(WebPage& webPage, WebFrame& webFrame, WebCore::DOMWrapperWorld& world)
{
auto* globalObject = webFrame.coreLocalFrame()->script().globalObject(world);
auto& vm = globalObject->vm();
JSC::JSLockHolder lock(vm);
auto scope = DECLARE_CATCH_SCOPE(vm);
auto wrapped = JSIPC::create(webPage, webFrame);
JSObjectRef wrapperObject = JSObjectMake(toGlobalRef(globalObject), JSIPC::wrapperClass(), wrapped.ptr());
globalObject->putDirect(vm, JSC::Identifier::fromString(vm, "IPC"_s), toJS(globalObject, wrapperObject));
scope.clearException();
}
} // namespace IPCTestingAPI
} // namespace WebKit
namespace IPC {
template<>
JSC::JSValue jsValueForDecodedArgumentValue(JSC::JSGlobalObject* globalObject, IPC::Semaphore&& value)
{
auto& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto* object = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
object->putDirect(vm, JSC::Identifier::fromString(vm, "type"_s), JSC::jsNontrivialString(vm, "Semaphore"_s));
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
auto jsValue = toJS(globalObject, WebKit::IPCTestingAPI::JSIPCSemaphore::create(WTFMove(value))->createJSWrapper(toRef(globalObject)));
object->putDirect(vm, JSC::Identifier::fromString(vm, "value"_s), jsValue);
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
return object;
}
template<> JSC::JSValue jsValueForDecodedArgumentValue(JSC::JSGlobalObject* globalObject, WebKit::SharedMemory::Handle&& value)
{
using SharedMemory = WebKit::SharedMemory;
using Protection = WebKit::SharedMemory::Protection;
auto& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto* object = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype());
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
object->putDirect(vm, JSC::Identifier::fromString(vm, "type"_s), JSC::jsNontrivialString(vm, "SharedMemory"_s));
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
auto protection = Protection::ReadWrite;
auto sharedMemory = SharedMemory::map(WTFMove(value), protection);
if (!sharedMemory) {
protection = Protection::ReadOnly;
sharedMemory = SharedMemory::map(WTFMove(value), protection);
if (!sharedMemory)
return JSC::JSValue();
}
auto jsValue = toJS(globalObject, WebKit::IPCTestingAPI::JSSharedMemory::create(sharedMemory.releaseNonNull())->createJSWrapper(toRef(globalObject)));
object->putDirect(vm, JSC::Identifier::fromString(vm, "value"_s), jsValue);
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
object->putDirect(vm, JSC::Identifier::fromString(vm, "dataSize"_s), JSC::JSValue(value.size()));
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
object->putDirect(vm, JSC::Identifier::fromString(vm, "protection"_s), JSC::jsNontrivialString(vm, protection == Protection::ReadWrite ? "ReadWrite"_s : "ReadOnly"_s));
RETURN_IF_EXCEPTION(scope, JSC::JSValue());
return object;
}
} // namespace IPC
#endif
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