WebProcessProxy.cpp [plain text]
#include "config.h"
#include "WebProcessProxy.h"
#include "DataReference.h"
#include "DownloadProxyMap.h"
#include "PluginInfoStore.h"
#include "PluginProcessManager.h"
#include "TextChecker.h"
#include "TextCheckerState.h"
#include "WebBackForwardListItem.h"
#include "WebContext.h"
#include "WebNavigationDataStore.h"
#include "WebNotificationManagerProxy.h"
#include "WebPageProxy.h"
#include "WebPluginSiteDataManager.h"
#include "WebProcessMessages.h"
#include "WebProcessProxyMessages.h"
#include <WebCore/KURL.h>
#include <WebCore/SuddenTermination.h>
#include <stdio.h>
#include <wtf/MainThread.h>
#include <wtf/text/CString.h>
#include <wtf/text/WTFString.h>
#if PLATFORM(MAC)
#include "SimplePDFPlugin.h"
#if ENABLE(PDFKIT_PLUGIN)
#include "PDFPlugin.h"
#endif
#endif
#if ENABLE(CUSTOM_PROTOCOLS)
#include "CustomProtocolManagerProxyMessages.h"
#endif
#if USE(SECURITY_FRAMEWORK)
#include "SecItemShimProxy.h"
#endif
using namespace WebCore;
#define MESSAGE_CHECK(assertion) MESSAGE_CHECK_BASE(assertion, connection())
#define MESSAGE_CHECK_URL(url) MESSAGE_CHECK_BASE(checkURLReceivedFromWebProcess(url), connection())
namespace WebKit {
static uint64_t generatePageID()
{
static uint64_t uniquePageID;
return ++uniquePageID;
}
static WebProcessProxy::WebPageProxyMap& globalPageMap()
{
ASSERT(isMainThread());
DEFINE_STATIC_LOCAL(WebProcessProxy::WebPageProxyMap, pageMap, ());
return pageMap;
}
PassRefPtr<WebProcessProxy> WebProcessProxy::create(PassRefPtr<WebContext> context)
{
return adoptRef(new WebProcessProxy(context));
}
WebProcessProxy::WebProcessProxy(PassRefPtr<WebContext> context)
: m_responsivenessTimer(this)
, m_context(context)
, m_mayHaveUniversalFileReadSandboxExtension(false)
#if ENABLE(CUSTOM_PROTOCOLS)
, m_customProtocolManagerProxy(this)
#endif
#if PLATFORM(MAC)
, m_processSuppressionEnabled(false)
#endif
{
connect();
}
WebProcessProxy::~WebProcessProxy()
{
if (m_webConnection)
m_webConnection->invalidate();
}
void WebProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchOptions)
{
launchOptions.processType = ProcessLauncher::WebProcess;
platformGetLaunchOptions(launchOptions);
}
void WebProcessProxy::connectionWillOpen(CoreIPC::Connection* connection)
{
ASSERT(this->connection() == connection);
#if USE(SECURITY_FRAMEWORK)
SecItemShimProxy::shared().initializeConnection(connection);
#endif
for (WebPageProxyMap::iterator it = m_pageMap.begin(), end = m_pageMap.end(); it != end; ++it)
it->value->connectionWillOpen(connection);
m_context->processWillOpenConnection(this);
}
void WebProcessProxy::connectionWillClose(CoreIPC::Connection* connection)
{
ASSERT(this->connection() == connection);
for (WebPageProxyMap::iterator it = m_pageMap.begin(), end = m_pageMap.end(); it != end; ++it)
it->value->connectionWillClose(connection);
m_context->processWillCloseConnection(this);
}
void WebProcessProxy::disconnect()
{
clearConnection();
if (m_webConnection) {
m_webConnection->invalidate();
m_webConnection = nullptr;
}
m_responsivenessTimer.stop();
Vector<RefPtr<WebFrameProxy>> frames;
copyValuesToVector(m_frameMap, frames);
for (size_t i = 0, size = frames.size(); i < size; ++i)
frames[i]->disconnect();
m_frameMap.clear();
if (m_downloadProxyMap)
m_downloadProxyMap->processDidClose();
m_context->disconnectProcess(this);
}
WebPageProxy* WebProcessProxy::webPage(uint64_t pageID)
{
return globalPageMap().get(pageID);
}
PassRefPtr<WebPageProxy> WebProcessProxy::createWebPage(PageClient* pageClient, WebContext*, WebPageGroup* pageGroup)
{
uint64_t pageID = generatePageID();
RefPtr<WebPageProxy> webPage = WebPageProxy::create(pageClient, this, pageGroup, pageID);
m_pageMap.set(pageID, webPage.get());
globalPageMap().set(pageID, webPage.get());
#if PLATFORM(MAC)
if (pageIsProcessSuppressible(webPage.get()))
m_processSuppressiblePages.add(pageID);
updateProcessSuppressionState();
#endif
return webPage.release();
}
void WebProcessProxy::addExistingWebPage(WebPageProxy* webPage, uint64_t pageID)
{
m_pageMap.set(pageID, webPage);
globalPageMap().set(pageID, webPage);
#if PLATFORM(MAC)
if (pageIsProcessSuppressible(webPage))
m_processSuppressiblePages.add(pageID);
updateProcessSuppressionState();
#endif
}
void WebProcessProxy::removeWebPage(uint64_t pageID)
{
m_pageMap.remove(pageID);
globalPageMap().remove(pageID);
#if PLATFORM(MAC)
m_processSuppressiblePages.remove(pageID);
updateProcessSuppressionState();
#endif
if (m_context->usesNetworkProcess() && canTerminateChildProcess()) {
abortProcessLaunchIfNeeded();
disconnect();
}
}
Vector<WebPageProxy*> WebProcessProxy::pages() const
{
Vector<WebPageProxy*> result;
copyValuesToVector(m_pageMap, result);
return result;
}
WebBackForwardListItem* WebProcessProxy::webBackForwardItem(uint64_t itemID) const
{
return m_backForwardListItemMap.get(itemID);
}
void WebProcessProxy::registerNewWebBackForwardListItem(WebBackForwardListItem* item)
{
ASSERT(!m_backForwardListItemMap.contains(item->itemID()));
m_backForwardListItemMap.set(item->itemID(), item);
}
void WebProcessProxy::assumeReadAccessToBaseURL(const String& urlString)
{
KURL url(KURL(), urlString);
if (!url.isLocalFile())
return;
KURL baseURL(KURL(), url.baseAsString());
m_localPathsWithAssumedReadAccess.add(baseURL.fileSystemPath());
}
bool WebProcessProxy::checkURLReceivedFromWebProcess(const String& urlString)
{
return checkURLReceivedFromWebProcess(KURL(KURL(), urlString));
}
bool WebProcessProxy::checkURLReceivedFromWebProcess(const KURL& url)
{
if (!url.isLocalFile())
return true;
if (m_mayHaveUniversalFileReadSandboxExtension)
return true;
String path = url.fileSystemPath();
for (HashSet<String>::const_iterator iter = m_localPathsWithAssumedReadAccess.begin(); iter != m_localPathsWithAssumedReadAccess.end(); ++iter) {
if (path.startsWith(*iter))
return true;
}
for (WebBackForwardListItemMap::iterator iter = m_backForwardListItemMap.begin(), end = m_backForwardListItemMap.end(); iter != end; ++iter) {
if (KURL(KURL(), iter->value->url()).fileSystemPath() == path)
return true;
if (KURL(KURL(), iter->value->originalURL()).fileSystemPath() == path)
return true;
}
WTFLogAlways("Received an unexpected URL from the web process: '%s'\n", url.string().utf8().data());
return false;
}
#if !PLATFORM(MAC)
bool WebProcessProxy::fullKeyboardAccessEnabled()
{
return false;
}
#endif
void WebProcessProxy::addBackForwardItem(uint64_t itemID, const String& originalURL, const String& url, const String& title, const CoreIPC::DataReference& backForwardData)
{
MESSAGE_CHECK_URL(originalURL);
MESSAGE_CHECK_URL(url);
WebBackForwardListItemMap::AddResult result = m_backForwardListItemMap.add(itemID, 0);
if (result.isNewEntry) {
result.iterator->value = WebBackForwardListItem::create(originalURL, url, title, backForwardData.data(), backForwardData.size(), itemID);
return;
}
result.iterator->value->setOriginalURL(originalURL);
result.iterator->value->setURL(url);
result.iterator->value->setTitle(title);
result.iterator->value->setBackForwardData(backForwardData.data(), backForwardData.size());
}
#if ENABLE(NETSCAPE_PLUGIN_API)
void WebProcessProxy::getPlugins(bool refresh, Vector<PluginInfo>& plugins, Vector<PluginInfo>& applicationPlugins)
{
if (refresh)
m_context->pluginInfoStore().refresh();
Vector<PluginModuleInfo> pluginModules = m_context->pluginInfoStore().plugins();
for (size_t i = 0; i < pluginModules.size(); ++i)
plugins.append(pluginModules[i].info);
#if PLATFORM(MAC)
if (!m_context->omitPDFSupport()) {
#if ENABLE(PDFKIT_PLUGIN)
plugins.append(PDFPlugin::pluginInfo());
applicationPlugins.append(PDFPlugin::pluginInfo());
#endif
plugins.append(SimplePDFPlugin::pluginInfo());
applicationPlugins.append(SimplePDFPlugin::pluginInfo());
}
#endif
}
#endif // ENABLE(NETSCAPE_PLUGIN_API)
#if ENABLE(PLUGIN_PROCESS)
void WebProcessProxy::getPluginProcessConnection(uint64_t pluginProcessToken, PassRefPtr<Messages::WebProcessProxy::GetPluginProcessConnection::DelayedReply> reply)
{
PluginProcessManager::shared().getPluginProcessConnection(pluginProcessToken, reply);
}
#elif ENABLE(NETSCAPE_PLUGIN_API)
void WebProcessProxy::didGetSitesWithPluginData(const Vector<String>& sites, uint64_t callbackID)
{
m_context->pluginSiteDataManager()->didGetSitesWithData(sites, callbackID);
}
void WebProcessProxy::didClearPluginSiteData(uint64_t callbackID)
{
m_context->pluginSiteDataManager()->didClearSiteData(callbackID);
}
#endif
#if ENABLE(SHARED_WORKER_PROCESS)
void WebProcessProxy::getSharedWorkerProcessConnection(const String& , const String& , PassRefPtr<Messages::WebProcessProxy::GetSharedWorkerProcessConnection::DelayedReply>)
{
}
#endif // ENABLE(SHARED_WORKER_PROCESS)
#if ENABLE(NETWORK_PROCESS)
void WebProcessProxy::getNetworkProcessConnection(PassRefPtr<Messages::WebProcessProxy::GetNetworkProcessConnection::DelayedReply> reply)
{
m_context->getNetworkProcessConnection(reply);
}
#endif // ENABLE(NETWORK_PROCESS)
void WebProcessProxy::didReceiveMessage(CoreIPC::Connection* connection, CoreIPC::MessageDecoder& decoder)
{
if (dispatchMessage(connection, decoder))
return;
if (m_context->dispatchMessage(connection, decoder))
return;
if (decoder.messageReceiverName() == Messages::WebProcessProxy::messageReceiverName()) {
didReceiveWebProcessProxyMessage(connection, decoder);
return;
}
}
void WebProcessProxy::didReceiveSyncMessage(CoreIPC::Connection* connection, CoreIPC::MessageDecoder& decoder, OwnPtr<CoreIPC::MessageEncoder>& replyEncoder)
{
if (dispatchSyncMessage(connection, decoder, replyEncoder))
return;
if (m_context->dispatchSyncMessage(connection, decoder, replyEncoder))
return;
if (decoder.messageReceiverName() == Messages::WebProcessProxy::messageReceiverName()) {
didReceiveSyncWebProcessProxyMessage(connection, decoder, replyEncoder);
return;
}
}
void WebProcessProxy::didClose(CoreIPC::Connection*)
{
RefPtr<WebProcessProxy> protect(this);
webConnection()->didClose();
Vector<RefPtr<WebPageProxy>> pages;
copyValuesToVector(m_pageMap, pages);
disconnect();
for (size_t i = 0, size = pages.size(); i < size; ++i)
pages[i]->processDidCrash();
}
void WebProcessProxy::didReceiveInvalidMessage(CoreIPC::Connection* connection, CoreIPC::StringReference messageReceiverName, CoreIPC::StringReference messageName)
{
WTFLogAlways("Received an invalid message \"%s.%s\" from the web process.\n", messageReceiverName.toString().data(), messageName.toString().data());
WebContext::didReceiveInvalidMessage(messageReceiverName, messageName);
terminate();
didClose(connection);
}
void WebProcessProxy::didBecomeUnresponsive(ResponsivenessTimer*)
{
Vector<RefPtr<WebPageProxy>> pages;
copyValuesToVector(m_pageMap, pages);
for (size_t i = 0, size = pages.size(); i < size; ++i)
pages[i]->processDidBecomeUnresponsive();
}
void WebProcessProxy::interactionOccurredWhileUnresponsive(ResponsivenessTimer*)
{
Vector<RefPtr<WebPageProxy>> pages;
copyValuesToVector(m_pageMap, pages);
for (size_t i = 0, size = pages.size(); i < size; ++i)
pages[i]->interactionOccurredWhileProcessUnresponsive();
}
void WebProcessProxy::didBecomeResponsive(ResponsivenessTimer*)
{
Vector<RefPtr<WebPageProxy>> pages;
copyValuesToVector(m_pageMap, pages);
for (size_t i = 0, size = pages.size(); i < size; ++i)
pages[i]->processDidBecomeResponsive();
}
void WebProcessProxy::didFinishLaunching(ProcessLauncher* launcher, CoreIPC::Connection::Identifier connectionIdentifier)
{
ChildProcessProxy::didFinishLaunching(launcher, connectionIdentifier);
m_webConnection = WebConnectionToWebProcess::create(this);
m_context->processDidFinishLaunching(this);
#if PLATFORM(MAC)
updateProcessSuppressionState();
#endif
}
WebFrameProxy* WebProcessProxy::webFrame(uint64_t frameID) const
{
if (!WebFrameProxyMap::isValidKey(frameID))
return 0;
return m_frameMap.get(frameID);
}
bool WebProcessProxy::canCreateFrame(uint64_t frameID) const
{
return WebFrameProxyMap::isValidKey(frameID) && !m_frameMap.contains(frameID);
}
void WebProcessProxy::frameCreated(uint64_t frameID, WebFrameProxy* frameProxy)
{
ASSERT(canCreateFrame(frameID));
m_frameMap.set(frameID, frameProxy);
}
void WebProcessProxy::didDestroyFrame(uint64_t frameID)
{
ASSERT(WebFrameProxyMap::isValidKey(frameID));
m_frameMap.remove(frameID);
}
void WebProcessProxy::disconnectFramesFromPage(WebPageProxy* page)
{
Vector<RefPtr<WebFrameProxy>> frames;
copyValuesToVector(m_frameMap, frames);
for (size_t i = 0, size = frames.size(); i < size; ++i) {
if (frames[i]->page() == page)
frames[i]->disconnect();
}
}
size_t WebProcessProxy::frameCountInPage(WebPageProxy* page) const
{
size_t result = 0;
for (HashMap<uint64_t, RefPtr<WebFrameProxy>>::const_iterator iter = m_frameMap.begin(); iter != m_frameMap.end(); ++iter) {
if (iter->value->page() == page)
++result;
}
return result;
}
bool WebProcessProxy::canTerminateChildProcess()
{
if (!m_pageMap.isEmpty())
return false;
if (m_downloadProxyMap && !m_downloadProxyMap->isEmpty())
return false;
if (!m_context->shouldTerminate(this))
return false;
return true;
}
void WebProcessProxy::shouldTerminate(bool& shouldTerminate)
{
shouldTerminate = canTerminateChildProcess();
if (shouldTerminate) {
disconnect();
}
}
void WebProcessProxy::updateTextCheckerState()
{
if (canSendMessage())
send(Messages::WebProcess::SetTextCheckerState(TextChecker::state()), 0);
}
DownloadProxy* WebProcessProxy::createDownloadProxy()
{
#if ENABLE(NETWORK_PROCESS)
ASSERT(!m_context->usesNetworkProcess());
#endif
if (!m_downloadProxyMap)
m_downloadProxyMap = adoptPtr(new DownloadProxyMap(this));
return m_downloadProxyMap->createDownloadProxy(m_context.get());
}
void WebProcessProxy::didNavigateWithNavigationData(uint64_t pageID, const WebNavigationDataStore& store, uint64_t frameID)
{
WebPageProxy* page = webPage(pageID);
if (!page)
return;
WebFrameProxy* frame = webFrame(frameID);
MESSAGE_CHECK(frame);
MESSAGE_CHECK(frame->page() == page);
m_context->historyClient().didNavigateWithNavigationData(m_context.get(), page, store, frame);
}
void WebProcessProxy::didPerformClientRedirect(uint64_t pageID, const String& sourceURLString, const String& destinationURLString, uint64_t frameID)
{
WebPageProxy* page = webPage(pageID);
if (!page)
return;
if (sourceURLString.isEmpty() || destinationURLString.isEmpty())
return;
WebFrameProxy* frame = webFrame(frameID);
MESSAGE_CHECK(frame);
MESSAGE_CHECK(frame->page() == page);
MESSAGE_CHECK_URL(sourceURLString);
MESSAGE_CHECK_URL(destinationURLString);
m_context->historyClient().didPerformClientRedirect(m_context.get(), page, sourceURLString, destinationURLString, frame);
}
void WebProcessProxy::didPerformServerRedirect(uint64_t pageID, const String& sourceURLString, const String& destinationURLString, uint64_t frameID)
{
WebPageProxy* page = webPage(pageID);
if (!page)
return;
if (sourceURLString.isEmpty() || destinationURLString.isEmpty())
return;
WebFrameProxy* frame = webFrame(frameID);
MESSAGE_CHECK(frame);
MESSAGE_CHECK(frame->page() == page);
MESSAGE_CHECK_URL(sourceURLString);
MESSAGE_CHECK_URL(destinationURLString);
m_context->historyClient().didPerformServerRedirect(m_context.get(), page, sourceURLString, destinationURLString, frame);
}
void WebProcessProxy::didUpdateHistoryTitle(uint64_t pageID, const String& title, const String& url, uint64_t frameID)
{
WebPageProxy* page = webPage(pageID);
if (!page)
return;
WebFrameProxy* frame = webFrame(frameID);
MESSAGE_CHECK(frame);
MESSAGE_CHECK(frame->page() == page);
MESSAGE_CHECK_URL(url);
m_context->historyClient().didUpdateHistoryTitle(m_context.get(), page, title, url, frame);
}
void WebProcessProxy::pageVisibilityChanged(WebKit::WebPageProxy *page)
{
#if PLATFORM(MAC)
if (pageIsProcessSuppressible(page))
m_processSuppressiblePages.add(page->pageID());
else
m_processSuppressiblePages.remove(page->pageID());
updateProcessSuppressionState();
#else
UNUSED_PARAM(page);
#endif
}
void WebProcessProxy::pagePreferencesChanged(WebKit::WebPageProxy *page)
{
#if PLATFORM(MAC)
if (pageIsProcessSuppressible(page))
m_processSuppressiblePages.add(page->pageID());
else
m_processSuppressiblePages.remove(page->pageID());
updateProcessSuppressionState();
#else
UNUSED_PARAM(page);
#endif
}
void WebProcessProxy::didSaveToPageCache()
{
m_context->processDidCachePage(this);
}
void WebProcessProxy::releasePageCache()
{
if (canSendMessage())
send(Messages::WebProcess::ReleasePageCache(), 0);
}
void WebProcessProxy::requestTermination()
{
if (!isValid())
return;
ChildProcessProxy::terminate();
if (webConnection())
webConnection()->didClose();
disconnect();
}
void WebProcessProxy::enableSuddenTermination()
{
if (!isValid())
return;
WebCore::enableSuddenTermination();
}
void WebProcessProxy::disableSuddenTermination()
{
if (!isValid())
return;
WebCore::disableSuddenTermination();
}
}