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/*
* Copyright (C) 2017 Igalia S.L.
*
* 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/Observer.h>
#include <wtf/WeakHashSet.h>
#include <wtf/text/StringBuilder.h>
namespace WebDriver {
#if ENABLE(WEBDRIVER_BIDI)
static WeakHashSet<SessionHost::BrowserTerminatedObserver>& browserTerminatedObservers()
{
static NeverDestroyed<WeakHashSet<SessionHost::BrowserTerminatedObserver>> observers;
return observers;
}
#endif
void SessionHost::inspectorDisconnected()
{
Ref<SessionHost> protectedThis(*this);
// Browser closed or crashed, finish all pending commands with error.
for (auto messageID : copyToVector(m_commandRequests.keys())) {
auto responseHandler = m_commandRequests.take(messageID);
responseHandler({ nullptr, true });
}
#if ENABLE(WEBDRIVER_BIDI)
for (auto& observer : browserTerminatedObservers())
observer(m_sessionID);
#endif
}
long SessionHost::sendCommandToBackend(const String& command, RefPtr<JSON::Object>&& parameters, Function<void (CommandResponse&&)>&& responseHandler)
{
if (!isConnected()) {
responseHandler({ nullptr, true });
return 0;
}
static long lastSequenceID = 0;
long sequenceID = ++lastSequenceID;
m_commandRequests.add(sequenceID, WTFMove(responseHandler));
StringBuilder messageBuilder;
messageBuilder.append("{\"id\":"_s, sequenceID, ",\"method\":\"Automation."_s, command, '"');
if (parameters)
messageBuilder.append(",\"params\":"_s, parameters->toJSONString());
messageBuilder.append('}');
sendMessageToBackend(messageBuilder.toString());
return sequenceID;
}
void SessionHost::dispatchMessage(const String& message)
{
auto messageValue = JSON::Value::parseJSON(message);
if (!messageValue)
return;
auto messageObject = messageValue->asObject();
if (!messageObject)
return;
auto sequenceID = messageObject->getInteger("id"_s);
if (!sequenceID) {
#if ENABLE(WEBDRIVER_BIDI)
dispatchEvent(WTFMove(messageObject));
#endif
return;
}
auto responseHandler = m_commandRequests.take(*sequenceID);
ASSERT(responseHandler);
CommandResponse response;
if (auto errorObject = messageObject->getObject("error"_s)) {
response.responseObject = WTFMove(errorObject);
response.isError = true;
} else if (auto resultObject = messageObject->getObject("result"_s)) {
if (resultObject->size())
response.responseObject = WTFMove(resultObject);
}
responseHandler(WTFMove(response));
}
bool SessionHost::isRemoteBrowser() const
{
return m_isRemoteBrowser;
}
#if ENABLE(WEBDRIVER_BIDI)
void SessionHost::addBrowserTerminatedObserver(const BrowserTerminatedObserver& observer)
{
ASSERT(!browserTerminatedObservers().contains(observer));
browserTerminatedObservers().add(observer);
}
void SessionHost::removeBrowserTerminatedObserver(const BrowserTerminatedObserver& observer)
{
browserTerminatedObservers().remove(observer);
}
void SessionHost::dispatchEvent(RefPtr<JSON::Object>&& event)
{
if (m_eventHandler)
m_eventHandler->dispatchEvent(WTFMove(event));
}
#endif
} // namespace WebDriver
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