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/*
* Copyright (C) 2010 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 "PluginProcessConnection.h"
#if ENABLE(PLUGIN_PROCESS)
#include <runtime/JSObject.h>
#include <runtime/ScopeChain.h>
#include "NPRemoteObjectMap.h"
#include "NPRuntimeObjectMap.h"
#include "PluginProcessConnectionManager.h"
#include "PluginProxy.h"
#include "WebProcess.h"
#include "WebProcessProxyMessages.h"
#include <WebCore/FileSystem.h>
using namespace WebCore;
namespace WebKit {
// The timeout, in seconds, when sending sync messages to the plug-in.
static const double syncMessageTimeout = 45;
static double defaultSyncMessageTimeout(const String& pluginPath)
{
// FIXME: We should key this off something other than the path.
// We don't want a message timeout for the AppleConnect plug-in.
if (pathGetFileName(pluginPath) == "AppleConnect.plugin")
return CoreIPC::Connection::NoTimeout;
// We don't want a message timeout for the Microsoft SharePoint plug-in
// since it can spin a nested run loop in response to an NPN_Invoke, making it seem like
// the plug-in process is hung. See <rdar://problem/9536303>.
// FIXME: Instead of changing the default sync message timeout, CoreIPC could send an
// asynchronous message which the other process would have to reply to on the main thread.
// This way we could check if the plug-in process is actually hung or not.
if (pathGetFileName(pluginPath) == "SharePointBrowserPlugin.plugin")
return CoreIPC::Connection::NoTimeout;
// We don't want a message timeout for the BankID plug-in since it can spin a nested
// run loop when it's waiting for a reply to an AppleEvent.
if (pathGetFileName(pluginPath) == "PersonalPlugin.bundle")
return CoreIPC::Connection::NoTimeout;
if (WebProcess::shared().disablePluginProcessMessageTimeout())
return CoreIPC::Connection::NoTimeout;
return syncMessageTimeout;
}
PluginProcessConnection::PluginProcessConnection(PluginProcessConnectionManager* pluginProcessConnectionManager, const String& pluginPath, CoreIPC::Connection::Identifier connectionIdentifier, bool supportsAsynchronousPluginInitialization)
: m_pluginProcessConnectionManager(pluginProcessConnectionManager)
, m_pluginPath(pluginPath)
, m_supportsAsynchronousPluginInitialization(supportsAsynchronousPluginInitialization)
{
m_connection = CoreIPC::Connection::createClientConnection(connectionIdentifier, this, WebProcess::shared().runLoop());
m_connection->setDefaultSyncMessageTimeout(defaultSyncMessageTimeout(m_pluginPath));
m_npRemoteObjectMap = NPRemoteObjectMap::create(m_connection.get());
m_connection->open();
}
PluginProcessConnection::~PluginProcessConnection()
{
ASSERT(!m_connection);
ASSERT(!m_npRemoteObjectMap);
}
void PluginProcessConnection::addPluginProxy(PluginProxy* plugin)
{
ASSERT(!m_plugins.contains(plugin->pluginInstanceID()));
m_plugins.set(plugin->pluginInstanceID(), plugin);
}
void PluginProcessConnection::removePluginProxy(PluginProxy* plugin)
{
ASSERT(m_plugins.contains(plugin->pluginInstanceID()));
m_plugins.remove(plugin->pluginInstanceID());
// Invalidate all objects related to this plug-in.
m_npRemoteObjectMap->pluginDestroyed(plugin);
if (!m_plugins.isEmpty())
return;
m_npRemoteObjectMap = nullptr;
// We have no more plug-ins, invalidate the connection to the plug-in process.
ASSERT(m_connection);
m_connection->invalidate();
m_connection = nullptr;
// This will cause us to be deleted.
m_pluginProcessConnectionManager->removePluginProcessConnection(this);
}
void PluginProcessConnection::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments)
{
ASSERT(arguments->destinationID());
PluginProxy* pluginProxy = m_plugins.get(arguments->destinationID());
if (!pluginProxy)
return;
pluginProxy->didReceivePluginProxyMessage(connection, messageID, arguments);
}
void PluginProcessConnection::didReceiveSyncMessage(CoreIPC::Connection* connection, CoreIPC::MessageID messageID, CoreIPC::ArgumentDecoder* arguments, OwnPtr<CoreIPC::ArgumentEncoder>& reply)
{
if (messageID.is<CoreIPC::MessageClassNPObjectMessageReceiver>()) {
m_npRemoteObjectMap->didReceiveSyncMessage(connection, messageID, arguments, reply);
return;
}
uint64_t destinationID = arguments->destinationID();
if (!destinationID) {
didReceiveSyncPluginProcessConnectionMessage(connection, messageID, arguments, reply);
return;
}
PluginProxy* pluginProxy = m_plugins.get(destinationID);
if (!pluginProxy)
return;
pluginProxy->didReceiveSyncPluginProxyMessage(connection, messageID, arguments, reply);
}
void PluginProcessConnection::didClose(CoreIPC::Connection*)
{
// The plug-in process must have crashed.
for (HashMap<uint64_t, PluginProxy*>::const_iterator::Values it = m_plugins.begin().values(), end = m_plugins.end().values(); it != end; ++it) {
PluginProxy* pluginProxy = (*it);
pluginProxy->pluginProcessCrashed();
}
}
void PluginProcessConnection::didReceiveInvalidMessage(CoreIPC::Connection*, CoreIPC::MessageID)
{
}
void PluginProcessConnection::syncMessageSendTimedOut(CoreIPC::Connection*)
{
WebProcess::shared().connection()->send(Messages::WebProcessProxy::PluginSyncMessageSendTimedOut(m_pluginPath), 0);
}
void PluginProcessConnection::setException(const String& exceptionString)
{
NPRuntimeObjectMap::setGlobalException(exceptionString);
}
} // namespace WebKit
#endif // ENABLE(PLUGIN_PROCESS)
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