| /* |
| * Copyright (C) 2010-2017 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 "PluginProcessManager.h" |
| |
| #if ENABLE(NETSCAPE_PLUGIN_API) |
| |
| #include "PluginProcessProxy.h" |
| #include "WebProcessProxyMessages.h" |
| #include "WebsiteDataFetchOption.h" |
| #include <wtf/CryptographicallyRandomNumber.h> |
| #include <wtf/NeverDestroyed.h> |
| #include <wtf/StdLibExtras.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebKit { |
| |
| PluginProcessManager& PluginProcessManager::singleton() |
| { |
| static NeverDestroyed<PluginProcessManager> pluginProcessManager; |
| return pluginProcessManager; |
| } |
| |
| PluginProcessManager::PluginProcessManager() |
| #if PLATFORM(COCOA) |
| : m_processSuppressionDisabledForPageCounter([this](RefCounterEvent event) { updateProcessSuppressionDisabled(event); }) |
| #endif |
| { |
| } |
| |
| 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; |
| |
| m_pluginProcessTokens.append(std::make_pair(WTFMove(attributes), token)); |
| m_knownTokens.add(token); |
| |
| return token; |
| } |
| |
| void PluginProcessManager::getPluginProcessConnection(uint64_t pluginProcessToken, Messages::WebProcessProxy::GetPluginProcessConnection::DelayedReply&& reply) |
| { |
| ASSERT(pluginProcessToken); |
| |
| PluginProcessProxy* pluginProcess = getOrCreatePluginProcess(pluginProcessToken); |
| pluginProcess->getPluginProcessConnection(WTFMove(reply)); |
| } |
| |
| void PluginProcessManager::removePluginProcessProxy(PluginProcessProxy* pluginProcessProxy) |
| { |
| size_t vectorIndex = m_pluginProcesses.find(pluginProcessProxy); |
| ASSERT(vectorIndex != notFound); |
| |
| m_pluginProcesses.remove(vectorIndex); |
| } |
| |
| void PluginProcessManager::fetchWebsiteData(const PluginModuleInfo& plugin, OptionSet<WebsiteDataFetchOption> fetchOptions, WTF::Function<void (Vector<String>)>&& completionHandler) |
| { |
| auto token = pluginProcessToken(plugin, PluginProcessTypeNormal, PluginProcessSandboxPolicyNormal); |
| auto pluginProcess = fetchOptions.contains(WebsiteDataFetchOption::DoNotCreateProcesses) ? getPluginProcess(token) : getOrCreatePluginProcess(token); |
| if (!pluginProcess) { |
| completionHandler({ }); |
| return; |
| } |
| |
| pluginProcess->fetchWebsiteData(WTFMove(completionHandler)); |
| } |
| |
| void PluginProcessManager::deleteWebsiteData(const PluginModuleInfo& plugin, WallTime modifiedSince, WTF::Function<void ()>&& completionHandler) |
| { |
| PluginProcessProxy* pluginProcess = getOrCreatePluginProcess(pluginProcessToken(plugin, PluginProcessTypeNormal, PluginProcessSandboxPolicyNormal)); |
| pluginProcess->deleteWebsiteData(modifiedSince, WTFMove(completionHandler)); |
| } |
| |
| void PluginProcessManager::deleteWebsiteDataForHostNames(const PluginModuleInfo& plugin, const Vector<String>& hostNames,WTF::Function<void ()>&& completionHandler) |
| { |
| PluginProcessProxy* pluginProcess = getOrCreatePluginProcess(pluginProcessToken(plugin, PluginProcessTypeNormal, PluginProcessSandboxPolicyNormal)); |
| pluginProcess->deleteWebsiteDataForHostNames(hostNames, WTFMove(completionHandler)); |
| } |
| |
| PluginProcessProxy* PluginProcessManager::getPluginProcess(uint64_t pluginProcessToken) |
| { |
| for (const auto& pluginProcess : m_pluginProcesses) { |
| if (pluginProcess->pluginProcessToken() == pluginProcessToken) |
| return pluginProcess.get(); |
| } |
| |
| return nullptr; |
| } |
| |
| #if OS(LINUX) |
| void PluginProcessManager::sendMemoryPressureEvent(bool isCritical) |
| { |
| for (auto& pluginProcess : m_pluginProcesses) |
| pluginProcess->sendMemoryPressureEvent(isCritical); |
| } |
| #endif |
| |
| PluginProcessProxy* PluginProcessManager::getOrCreatePluginProcess(uint64_t pluginProcessToken) |
| { |
| if (auto existingProcess = getPluginProcess(pluginProcessToken)) |
| return existingProcess; |
| |
| for (auto& attributesAndToken : m_pluginProcessTokens) { |
| if (attributesAndToken.second == pluginProcessToken) { |
| auto pluginProcess = PluginProcessProxy::create(this, attributesAndToken.first, attributesAndToken.second); |
| PluginProcessProxy* pluginProcessPtr = pluginProcess.ptr(); |
| m_pluginProcesses.append(WTFMove(pluginProcess)); |
| return pluginProcessPtr; |
| } |
| } |
| |
| return nullptr; |
| } |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(NETSCAPE_PLUGIN_API) |