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/*
* Copyright (C) 2019 Sony Interactive Entertainment Inc.
*
* 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 "SessionHost.h"
#include <wtf/NeverDestroyed.h>
#include <wtf/UUID.h>
namespace WebDriver {
SessionHost::~SessionHost()
{
}
HashMap<String, Inspector::RemoteInspectorConnectionClient::CallHandler>& SessionHost::dispatchMap()
{
static NeverDestroyed<HashMap<String, CallHandler>> methods = HashMap<String, CallHandler>({
{"SetTargetList"_s, static_cast<CallHandler>(&SessionHost::receivedSetTargetList)},
{"SendMessageToFrontend"_s, static_cast<CallHandler>(&SessionHost::receivedSendMessageToFrontend)},
{"StartAutomationSession_Return"_s, static_cast<CallHandler>(&SessionHost::receivedStartAutomationSessionReturn)},
});
return methods;
}
void SessionHost::sendWebInspectorEvent(const String& event)
{
if (!m_clientID)
return;
const CString message = event.utf8();
send(m_clientID.value(), message.dataAsUInt8Ptr(), message.length());
}
void SessionHost::connectToBrowser(Function<void (std::optional<String> error)>&& completionHandler)
{
String targetIp;
uint16_t targetPort = 0;
if (!m_targetIp.isEmpty() && m_targetPort) {
targetIp = m_targetIp;
targetPort = m_targetPort;
} else if (m_capabilities.targetAddr && m_capabilities.targetPort) {
targetIp = m_capabilities.targetAddr.value();
targetPort = m_capabilities.targetPort.value();
}
if (targetIp.isEmpty() || !targetPort) {
completionHandler(makeString("Target IP/port is invalid, or not specified."));
return;
}
m_clientID = connectInet(targetIp.utf8().data(), targetPort);
if (!m_clientID)
completionHandler(makeString(targetIp.utf8().data(), ":", String::number(targetPort), " is not reachable."));
else
completionHandler(std::nullopt);
}
bool SessionHost::isConnected() const
{
return m_clientID.has_value();
}
void SessionHost::didClose(Inspector::RemoteInspectorSocketEndpoint&, Inspector::ConnectionID)
{
inspectorDisconnected();
m_clientID = std::nullopt;
}
std::optional<Vector<SessionHost::Target>> SessionHost::parseTargetList(const struct Event& event)
{
auto result = parseTargetListJSON(*event.message);
if (!result)
return std::nullopt;
Vector<SessionHost::Target> targetList;
for (const auto& itemObject : *result) {
SessionHost::Target target;
String name;
String type;
auto targetId = itemObject->getInteger("targetID"_s);
if (!targetId
|| !itemObject->getString("name"_s, name)
|| !itemObject->getString("type"_s, type)
|| type != "automation"_s)
continue;
target.id = *targetId;
target.name = name.utf8();
targetList.append(target);
}
return targetList;
}
void SessionHost::receivedSetTargetList(const struct Event& event)
{
ASSERT(isMainThread());
if (!event.connectionID || !event.message)
return;
auto targetList = parseTargetList(event);
if (targetList)
setTargetList(*event.connectionID, WTFMove(*targetList));
}
void SessionHost::receivedSendMessageToFrontend(const struct Event& event)
{
ASSERT(isMainThread());
if (!event.connectionID || !event.targetID || !event.message)
return;
ASSERT(*event.connectionID == m_connectionID && *event.targetID == m_target.id);
dispatchMessage(event.message.value());
}
void SessionHost::receivedStartAutomationSessionReturn(const struct Event&)
{
ASSERT(isMainThread());
m_capabilities.browserName = String::fromUTF8("TODO/browserName");
m_capabilities.browserVersion = String::fromUTF8("TODO/browserVersion");
}
void SessionHost::startAutomationSession(Function<void (bool, std::optional<String>)>&& completionHandler)
{
ASSERT(!m_startSessionCompletionHandler);
m_startSessionCompletionHandler = WTFMove(completionHandler);
m_sessionID = createVersion4UUIDString();
auto sendMessageEvent = JSON::Object::create();
sendMessageEvent->setString("event"_s, "StartAutomationSession"_s);
sendMessageEvent->setString("message"_s, m_sessionID);
sendWebInspectorEvent(sendMessageEvent->toJSONString());
}
void SessionHost::setTargetList(uint64_t connectionID, Vector<Target>&& targetList)
{
// The server notifies all its clients when connection is lost by sending an empty target list.
// We only care about automation connection.
if (m_connectionID && m_connectionID != connectionID)
return;
ASSERT(targetList.size() <= 1);
if (targetList.isEmpty()) {
// Disconnected from backend
m_clientID = std::nullopt;
inspectorDisconnected();
return;
}
m_target = targetList[0];
if (m_connectionID) {
ASSERT(m_connectionID == connectionID);
return;
}
if (!m_startSessionCompletionHandler) {
// Session creation was already rejected.
return;
}
m_connectionID = connectionID;
auto sendEvent = JSON::Object::create();
sendEvent->setString("event"_s, "Setup"_s);
sendEvent->setInteger("connectionID"_s, m_connectionID);
sendEvent->setInteger("targetID"_s, m_target.id);
sendWebInspectorEvent(sendEvent->toJSONString());
auto startSessionCompletionHandler = std::exchange(m_startSessionCompletionHandler, nullptr);
startSessionCompletionHandler(true, std::nullopt);
}
void SessionHost::sendMessageToBackend(const String& message)
{
auto sendEvent = JSON::Object::create();
sendEvent->setString("event"_s, "SendMessageToBackend"_s);
sendEvent->setInteger("connectionID"_s, m_connectionID);
sendEvent->setInteger("targetID"_s, m_target.id);
sendEvent->setString("message"_s, message);
sendWebInspectorEvent(sendEvent->toJSONString());
}
} // namespace WebDriver
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