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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 "PluginProcessManager.h"
#if ENABLE(PLUGIN_PROCESS)
#include "PluginProcessProxy.h"
#include "WebContext.h"
#include <wtf/CryptographicallyRandomNumber.h>
#include <wtf/StdLibExtras.h>
#include <wtf/text/WTFString.h>
namespace WebKit {
PluginProcessManager& PluginProcessManager::shared()
{
DEFINE_STATIC_LOCAL(PluginProcessManager, pluginProcessManager, ());
return pluginProcessManager;
}
PluginProcessManager::PluginProcessManager()
{
}
uint64_t PluginProcessManager::pluginProcessToken(const PluginModuleInfo& pluginModuleInfo, PluginProcessType pluginProcessType, PluginProcessSandboxPolicy pluginProcessSandboxPolicy)
{
// See if we know this token already.
for (size_t i = 0; i < m_pluginProcessTokens.size(); ++i) {
const PluginProcessAttributes& attributes = m_pluginProcessTokens[i].first;
if (attributes.moduleInfo.path == pluginModuleInfo.path
&& attributes.processType == pluginProcessType
&& attributes.sandboxPolicy == pluginProcessSandboxPolicy)
return m_pluginProcessTokens[i].second;
}
uint64_t token;
while (true) {
cryptographicallyRandomValues(&token, sizeof(token));
if (m_knownTokens.isValidValue(token) && !m_knownTokens.contains(token))
break;
}
PluginProcessAttributes attributes;
attributes.moduleInfo = pluginModuleInfo;
attributes.processType = pluginProcessType;
attributes.sandboxPolicy = pluginProcessSandboxPolicy;
#if COMPILER_SUPPORTS(CXX_RVALUE_REFERENCES)
m_pluginProcessTokens.append(std::make_pair(std::move(attributes), token));
#else
m_pluginProcessTokens.append(std::make_pair(attributes, token));
#endif
m_knownTokens.add(token);
return token;
}
void PluginProcessManager::getPluginProcessConnection(uint64_t pluginProcessToken, PassRefPtr<Messages::WebProcessProxy::GetPluginProcessConnection::DelayedReply> reply)
{
ASSERT(pluginProcessToken);
PluginProcessProxy* pluginProcess = getOrCreatePluginProcess(pluginProcessToken);
pluginProcess->getPluginProcessConnection(reply);
}
void PluginProcessManager::removePluginProcessProxy(PluginProcessProxy* pluginProcessProxy)
{
size_t vectorIndex = m_pluginProcesses.find(pluginProcessProxy);
ASSERT(vectorIndex != notFound);
m_pluginProcesses.remove(vectorIndex);
}
void PluginProcessManager::getSitesWithData(const PluginModuleInfo& plugin, WebPluginSiteDataManager* webPluginSiteDataManager, uint64_t callbackID)
{
PluginProcessProxy* pluginProcess = getOrCreatePluginProcess(pluginProcessToken(plugin, PluginProcessTypeNormal, PluginProcessSandboxPolicyNormal));
pluginProcess->getSitesWithData(webPluginSiteDataManager, callbackID);
}
void PluginProcessManager::clearSiteData(const PluginModuleInfo& plugin, WebPluginSiteDataManager* webPluginSiteDataManager, const Vector<String>& sites, uint64_t flags, uint64_t maxAgeInSeconds, uint64_t callbackID)
{
PluginProcessProxy* pluginProcess = getOrCreatePluginProcess(pluginProcessToken(plugin, PluginProcessTypeNormal, PluginProcessSandboxPolicyNormal));
pluginProcess->clearSiteData(webPluginSiteDataManager, sites, flags, maxAgeInSeconds, callbackID);
}
PluginProcessProxy* PluginProcessManager::getOrCreatePluginProcess(uint64_t pluginProcessToken)
{
for (size_t i = 0; i < m_pluginProcesses.size(); ++i) {
if (m_pluginProcesses[i]->pluginProcessToken() == pluginProcessToken)
return m_pluginProcesses[i].get();
}
for (size_t i = 0; i < m_pluginProcessTokens.size(); ++i) {
std::pair<PluginProcessAttributes, uint64_t>& attributesAndToken = m_pluginProcessTokens[i];
if (attributesAndToken.second == pluginProcessToken) {
RefPtr<PluginProcessProxy> pluginProcess = PluginProcessProxy::create(this, attributesAndToken.first, attributesAndToken.second);
PluginProcessProxy* pluginProcessPtr = pluginProcess.get();
m_pluginProcesses.append(pluginProcess.release());
return pluginProcessPtr;
}
}
return 0;
}
} // namespace WebKit
#endif // ENABLE(PLUGIN_PROCESS)
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