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/*
* Copyright (C) 2017 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 "LibWebRTCProvider.h"
#if USE(LIBWEBRTC)
#if ENABLE(GPU_PROCESS) && PLATFORM(COCOA)
#include "LibWebRTCCodecs.h"
#endif
#include "LibWebRTCNetwork.h"
#include "LibWebRTCNetworkManager.h"
#include "RTCDataChannelRemoteManager.h"
#include "WebPage.h"
#include "WebProcess.h"
#include <WebCore/Page.h>
#include <WebCore/RegistrableDomain.h>
#include <WebCore/Settings.h>
ALLOW_COMMA_BEGIN
#include <webrtc/api/async_resolver_factory.h>
#include <webrtc/pc/peer_connection_factory.h>
ALLOW_COMMA_END
namespace WebKit {
using namespace WebCore;
class AsyncResolverFactory : public webrtc::AsyncResolverFactory {
WTF_MAKE_FAST_ALLOCATED;
private:
rtc::AsyncResolverInterface* Create() final
{
return WebProcess::singleton().libWebRTCNetwork().socketFactory().createAsyncResolver();
}
};
rtc::scoped_refptr<webrtc::PeerConnectionInterface> LibWebRTCProvider::createPeerConnection(ScriptExecutionContextIdentifier identifier, webrtc::PeerConnectionObserver& observer, rtc::PacketSocketFactory* socketFactory, webrtc::PeerConnectionInterface::RTCConfiguration&& configuration)
{
#if ENABLE(GPU_PROCESS) && PLATFORM(COCOA) && !PLATFORM(MACCATALYST)
LibWebRTCCodecs::initializeIfNeeded();
#endif
auto* networkManager = LibWebRTCNetworkManager::getOrCreate(identifier);
if (!networkManager)
return nullptr;
networkManager->setEnumeratingAllNetworkInterfacesEnabled(isEnumeratingAllNetworkInterfacesEnabled());
networkManager->setEnumeratingVisibleNetworkInterfacesEnabled(isEnumeratingVisibleNetworkInterfacesEnabled());
return WebCore::LibWebRTCProvider::createPeerConnection(observer, *networkManager, *socketFactory, WTFMove(configuration), makeUnique<AsyncResolverFactory>());
}
void LibWebRTCProvider::disableNonLocalhostConnections()
{
WebProcess::singleton().libWebRTCNetwork().disableNonLocalhostConnections();
}
class RTCSocketFactory final : public LibWebRTCProvider::SuspendableSocketFactory {
WTF_MAKE_FAST_ALLOCATED;
public:
RTCSocketFactory(WebPageProxyIdentifier, String&& userAgent, ScriptExecutionContextIdentifier, bool isFirstParty, RegistrableDomain&&);
void disableRelay() final { m_isRelayDisabled = true; }
private:
// SuspendableSocketFactory
rtc::AsyncPacketSocket* CreateUdpSocket(const rtc::SocketAddress&, uint16_t minPort, uint16_t maxPort) final;
rtc::AsyncListenSocket* CreateServerTcpSocket(const rtc::SocketAddress&, uint16_t minPort, uint16_t maxPort, int options) final { return nullptr; }
rtc::AsyncPacketSocket* CreateClientTcpSocket(const rtc::SocketAddress& localAddress, const rtc::SocketAddress& remoteAddress, const rtc::ProxyInfo&, const std::string&, const rtc::PacketSocketTcpOptions&) final;
rtc::AsyncResolverInterface* CreateAsyncResolver() final;
void suspend() final;
void resume() final;
private:
WebPageProxyIdentifier m_pageIdentifier;
String m_userAgent;
ScriptExecutionContextIdentifier m_contextIdentifier;
bool m_isFirstParty { false };
bool m_isRelayDisabled { false };
RegistrableDomain m_domain;
};
RTCSocketFactory::RTCSocketFactory(WebPageProxyIdentifier pageIdentifier, String&& userAgent, ScriptExecutionContextIdentifier identifier, bool isFirstParty, RegistrableDomain&& domain)
: m_pageIdentifier(pageIdentifier)
, m_userAgent(WTFMove(userAgent))
, m_contextIdentifier(identifier)
, m_isFirstParty(isFirstParty)
, m_domain(WTFMove(domain))
{
}
rtc::AsyncPacketSocket* RTCSocketFactory::CreateUdpSocket(const rtc::SocketAddress& address, uint16_t minPort, uint16_t maxPort)
{
return WebProcess::singleton().libWebRTCNetwork().socketFactory().createUdpSocket(m_contextIdentifier, address, minPort, maxPort, m_pageIdentifier, m_isFirstParty, m_isRelayDisabled, m_domain);
}
rtc::AsyncPacketSocket* RTCSocketFactory::CreateClientTcpSocket(const rtc::SocketAddress& localAddress, const rtc::SocketAddress& remoteAddress, const rtc::ProxyInfo&, const std::string&, const rtc::PacketSocketTcpOptions& options)
{
return WebProcess::singleton().libWebRTCNetwork().socketFactory().createClientTcpSocket(m_contextIdentifier, localAddress, remoteAddress, String { m_userAgent }, options, m_pageIdentifier, m_isFirstParty, m_isRelayDisabled, m_domain);
}
rtc::AsyncResolverInterface* RTCSocketFactory::CreateAsyncResolver()
{
return WebProcess::singleton().libWebRTCNetwork().socketFactory().createAsyncResolver();
}
void RTCSocketFactory::suspend()
{
WebCore::LibWebRTCProvider::callOnWebRTCNetworkThread([identifier = m_contextIdentifier] {
WebProcess::singleton().libWebRTCNetwork().socketFactory().forSocketInGroup(identifier, [](auto& socket) {
socket.suspend();
});
});
}
void RTCSocketFactory::resume()
{
WebCore::LibWebRTCProvider::callOnWebRTCNetworkThread([identifier = m_contextIdentifier] {
WebProcess::singleton().libWebRTCNetwork().socketFactory().forSocketInGroup(identifier, [](auto& socket) {
socket.resume();
});
});
}
void LibWebRTCProvider::startedNetworkThread()
{
WebProcess::singleton().libWebRTCNetwork().setAsActive();
}
std::unique_ptr<LibWebRTCProvider::SuspendableSocketFactory> LibWebRTCProvider::createSocketFactory(String&& userAgent, ScriptExecutionContextIdentifier identifier, bool isFirstParty, RegistrableDomain&& domain)
{
auto factory = makeUnique<RTCSocketFactory>(m_webPage.webPageProxyIdentifier(), WTFMove(userAgent), identifier, isFirstParty, WTFMove(domain));
auto* page = m_webPage.corePage();
if (!page || !page->settings().webRTCSocketsProxyingEnabled())
factory->disableRelay();
return factory;
}
RefPtr<RTCDataChannelRemoteHandlerConnection> LibWebRTCProvider::createRTCDataChannelRemoteHandlerConnection()
{
return &RTCDataChannelRemoteManager::sharedManager().remoteHandlerConnection();
}
void LibWebRTCProvider::setLoggingLevel(WTFLogLevel level)
{
WebCore::LibWebRTCProvider::setLoggingLevel(level);
#if PLATFORM(COCOA)
WebProcess::singleton().libWebRTCCodecs().setLoggingLevel(level);
#endif
}
void LibWebRTCProvider::willCreatePeerConnectionFactory()
{
#if ENABLE(GPU_PROCESS) && PLATFORM(COCOA) && !PLATFORM(MACCATALYST)
LibWebRTCCodecs::initializeIfNeeded();
if (isSupportingVP9VTB())
WebProcess::singleton().libWebRTCCodecs().setVP9VTBSupport(true);
#endif
}
} // namespace WebKit
#endif // USE(LIBWEBRTC)
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