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/*
* Copyright (C) 2019 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 "NetworkSocketChannel.h"
#include "MessageSenderInlines.h"
#include "NetworkConnectionToWebProcess.h"
#include "NetworkProcess.h"
#include "NetworkSession.h"
#include "WebSocketChannelMessages.h"
#include "WebSocketTask.h"
#include <wtf/TZoneMallocInlines.h>
namespace WebKit {
using namespace WebCore;
WTF_MAKE_TZONE_ALLOCATED_IMPL(NetworkSocketChannel);
RefPtr<NetworkSocketChannel> NetworkSocketChannel::create(NetworkConnectionToWebProcess& connection, PAL::SessionID sessionID, const ResourceRequest& request, const String& protocol, WebSocketIdentifier identifier, WebPageProxyIdentifier webPageProxyID, std::optional<FrameIdentifier> frameID, std::optional<PageIdentifier> pageID, const WebCore::ClientOrigin& clientOrigin, bool hadMainFrameMainResourcePrivateRelayed, bool allowPrivacyProxy, OptionSet<AdvancedPrivacyProtections> advancedPrivacyProtections, WebCore::StoredCredentialsPolicy storedCredentialsPolicy)
{
Ref result = adoptRef(*new NetworkSocketChannel(connection, connection.protectedNetworkProcess()->networkSession(sessionID), request, protocol, identifier, webPageProxyID, frameID, pageID, clientOrigin, hadMainFrameMainResourcePrivateRelayed, allowPrivacyProxy, advancedPrivacyProtections, storedCredentialsPolicy));
if (!result->m_socket) {
result->didClose(0, "Cannot create a web socket task"_s);
return nullptr;
}
return result;
}
NetworkSocketChannel::NetworkSocketChannel(NetworkConnectionToWebProcess& connection, NetworkSession* session, const ResourceRequest& request, const String& protocol, WebSocketIdentifier identifier, WebPageProxyIdentifier webPageProxyID, std::optional<FrameIdentifier> frameID, std::optional<PageIdentifier> pageID, const WebCore::ClientOrigin& clientOrigin, bool hadMainFrameMainResourcePrivateRelayed, bool allowPrivacyProxy, OptionSet<AdvancedPrivacyProtections> advancedPrivacyProtections, WebCore::StoredCredentialsPolicy storedCredentialsPolicy)
: m_connectionToWebProcess(connection)
, m_identifier(identifier)
, m_session(session)
, m_errorTimer(*this, &NetworkSocketChannel::sendDelayedError)
, m_webPageProxyID(webPageProxyID)
{
relaxAdoptionRequirement();
if (!m_session)
return;
m_socket = m_session->createWebSocketTask(webPageProxyID, frameID, pageID, *this, request, protocol, clientOrigin, hadMainFrameMainResourcePrivateRelayed, allowPrivacyProxy, advancedPrivacyProtections, storedCredentialsPolicy);
if (CheckedPtr socket = m_socket.get()) {
#if PLATFORM(COCOA)
m_session->addWebSocketTask(webPageProxyID, *socket);
#endif
socket->resume();
}
}
NetworkSocketChannel::~NetworkSocketChannel()
{
if (CheckedPtr socket = m_socket.get()) {
#if PLATFORM(COCOA)
if (RefPtr sessionSet = m_session ? socket->sessionSet() : nullptr)
m_session->removeWebSocketTask(*sessionSet, *socket);
#endif
socket->cancel();
}
}
Ref<NetworkConnectionToWebProcess> NetworkSocketChannel::protectedConnectionToWebProcess()
{
return m_connectionToWebProcess.get();
}
void NetworkSocketChannel::sendString(std::span<const uint8_t> message, CompletionHandler<void()>&& callback)
{
checkedSocket()->sendString(message, WTFMove(callback));
}
void NetworkSocketChannel::sendData(std::span<const uint8_t> data, CompletionHandler<void()>&& callback)
{
checkedSocket()->sendData(data, WTFMove(callback));
}
void NetworkSocketChannel::finishClosingIfPossible()
{
if (m_state == State::Open) {
m_state = State::Closing;
return;
}
ASSERT(m_state == State::Closing);
m_state = State::Closed;
protectedConnectionToWebProcess()->removeSocketChannel(m_identifier);
}
void NetworkSocketChannel::close(int32_t code, const String& reason)
{
checkedSocket()->close(code, reason);
finishClosingIfPossible();
}
void NetworkSocketChannel::didConnect(const String& subprotocol, const String& extensions)
{
send(Messages::WebSocketChannel::DidConnect { subprotocol, extensions });
}
void NetworkSocketChannel::didReceiveText(const String& text)
{
send(Messages::WebSocketChannel::DidReceiveText { text });
}
void NetworkSocketChannel::didReceiveBinaryData(std::span<const uint8_t> data)
{
send(Messages::WebSocketChannel::DidReceiveBinaryData { data });
}
void NetworkSocketChannel::didClose(unsigned short code, const String& reason)
{
if (m_errorTimer.isActive()) {
m_closeInfo = std::make_pair(code, reason);
return;
}
send(Messages::WebSocketChannel::DidClose { code, reason });
finishClosingIfPossible();
}
void NetworkSocketChannel::didReceiveMessageError(String&& errorMessage)
{
m_errorMessage = WTFMove(errorMessage);
m_errorTimer.startOneShot(NetworkProcess::randomClosedPortDelay());
}
void NetworkSocketChannel::sendDelayedError()
{
send(Messages::WebSocketChannel::DidReceiveMessageError { m_errorMessage });
if (m_closeInfo) {
send(Messages::WebSocketChannel::DidClose { m_closeInfo->first, m_closeInfo->second });
finishClosingIfPossible();
}
}
void NetworkSocketChannel::didSendHandshakeRequest(ResourceRequest&& request)
{
send(Messages::WebSocketChannel::DidSendHandshakeRequest { request });
}
void NetworkSocketChannel::didReceiveHandshakeResponse(ResourceResponse&& response)
{
response.sanitizeHTTPHeaderFields(ResourceResponse::SanitizationType::CrossOriginSafe);
send(Messages::WebSocketChannel::DidReceiveHandshakeResponse { response });
}
IPC::Connection* NetworkSocketChannel::messageSenderConnection() const
{
return &m_connectionToWebProcess->connection();
}
NetworkSession* NetworkSocketChannel::session() const
{
return m_session.get();
}
CheckedPtr<WebSocketTask> NetworkSocketChannel::checkedSocket()
{
return m_socket.get();
}
} // namespace WebKit
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