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/*
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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Collabora, Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "PluginDatabase.h"
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#include "Frame.h"
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#include "KURL.h"
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#include "PluginDatabaseClient.h"
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#include "PluginPackage.h"
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#include <stdlib.h>
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namespace WebCore {
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typedef HashMap<String, RefPtr<PluginPackage> > PluginPackageByNameMap;
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PluginDatabase::PluginDatabase()
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: m_client(0)
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{
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}
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PluginDatabase* PluginDatabase::installedPlugins(bool populate)
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{
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static PluginDatabase* plugins = 0;
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if (!plugins) {
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plugins = new PluginDatabase;
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if (populate) {
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plugins->setPluginDirectories(PluginDatabase::defaultPluginDirectories());
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plugins->refresh();
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}
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}
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return plugins;
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}
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bool PluginDatabase::isMIMETypeRegistered(const String& mimeType)
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{
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if (mimeType.isNull())
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return false;
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if (m_registeredMIMETypes.contains(mimeType))
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return true;
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// No plugin was found, try refreshing the database and searching again
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return (refresh() && m_registeredMIMETypes.contains(mimeType));
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}
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void PluginDatabase::addExtraPluginDirectory(const String& directory)
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{
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m_pluginDirectories.append(directory);
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refresh();
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}
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bool PluginDatabase::refresh()
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{
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bool pluginSetChanged = false;
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if (!m_plugins.isEmpty()) {
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PluginSet pluginsToUnload;
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getDeletedPlugins(pluginsToUnload);
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// Unload plugins
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PluginSet::const_iterator end = pluginsToUnload.end();
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for (PluginSet::const_iterator it = pluginsToUnload.begin(); it != end; ++it)
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remove(it->get());
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pluginSetChanged = !pluginsToUnload.isEmpty();
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}
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HashSet<String> paths;
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getPluginPathsInDirectories(paths);
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HashMap<String, time_t> pathsWithTimes;
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// We should only skip unchanged files if we didn't remove any plugins above. If we did remove
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// any plugins, we need to look at every plugin file so that, e.g., if the user has two versions
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// of RealPlayer installed and just removed the newer one, we'll pick up the older one.
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bool shouldSkipUnchangedFiles = !pluginSetChanged;
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HashSet<String>::const_iterator pathsEnd = paths.end();
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for (HashSet<String>::const_iterator it = paths.begin(); it != pathsEnd; ++it) {
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time_t lastModified;
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if (!getFileModificationTime(*it, lastModified))
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continue;
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pathsWithTimes.add(*it, lastModified);
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// If the path's timestamp hasn't changed since the last time we ran refresh(), we don't have to do anything.
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if (shouldSkipUnchangedFiles && m_pluginPathsWithTimes.get(*it) == lastModified)
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continue;
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if (RefPtr<PluginPackage> oldPackage = m_pluginsByPath.get(*it)) {
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ASSERT(!shouldSkipUnchangedFiles || oldPackage->lastModified() != lastModified);
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remove(oldPackage.get());
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}
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if (!m_client || m_client->shouldLoadPluginAtPath(*it)) {
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RefPtr<PluginPackage> package = PluginPackage::createPackage(*it, lastModified);
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if (package && (!m_client || m_client->shouldLoadPluginPackage(package.get())) && add(package.release()))
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pluginSetChanged = true;
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}
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}
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// Cache all the paths we found with their timestamps for next time.
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pathsWithTimes.swap(m_pluginPathsWithTimes);
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if (!pluginSetChanged)
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return false;
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m_registeredMIMETypes.clear();
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// Register plug-in MIME types
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PluginSet::const_iterator end = m_plugins.end();
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for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it) {
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// Get MIME types
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MIMEToDescriptionsMap::const_iterator map_it = (*it)->mimeToDescriptions().begin();
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MIMEToDescriptionsMap::const_iterator map_end = (*it)->mimeToDescriptions().end();
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for (; map_it != map_end; ++map_it)
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m_registeredMIMETypes.add(map_it->first);
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}
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return true;
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}
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Vector<PluginPackage*> PluginDatabase::plugins() const
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{
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Vector<PluginPackage*> result;
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PluginSet::const_iterator end = m_plugins.end();
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for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it)
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result.append((*it).get());
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return result;
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}
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int PluginDatabase::preferredPluginCompare(const void* a, const void* b)
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{
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PluginPackage* pluginA = *static_cast<PluginPackage* const*>(a);
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PluginPackage* pluginB = *static_cast<PluginPackage* const*>(b);
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return pluginA->compare(*pluginB);
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}
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PluginPackage* PluginDatabase::pluginForMIMEType(const String& mimeType)
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{
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if (mimeType.isEmpty())
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return 0;
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String key = mimeType.lower();
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PluginSet::const_iterator end = m_plugins.end();
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PluginPackage* preferredPlugin = m_preferredPlugins.get(key).get();
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if (preferredPlugin
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&& preferredPlugin->isEnabled()
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&& preferredPlugin->mimeToDescriptions().contains(key)) {
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return preferredPlugin;
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}
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Vector<PluginPackage*, 2> pluginChoices;
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for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it) {
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PluginPackage* plugin = (*it).get();
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if (!plugin->isEnabled())
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continue;
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if (plugin->mimeToDescriptions().contains(key))
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pluginChoices.append(plugin);
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}
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if (pluginChoices.isEmpty())
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return 0;
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qsort(pluginChoices.data(), pluginChoices.size(), sizeof(PluginPackage*), PluginDatabase::preferredPluginCompare);
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return pluginChoices[0];
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}
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String PluginDatabase::MIMETypeForExtension(const String& extension) const
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{
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if (extension.isEmpty())
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return String();
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PluginSet::const_iterator end = m_plugins.end();
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String mimeType;
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Vector<PluginPackage*, 2> pluginChoices;
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HashMap<PluginPackage*, String> mimeTypeForPlugin;
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for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it) {
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if (!(*it)->isEnabled())
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continue;
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MIMEToExtensionsMap::const_iterator mime_end = (*it)->mimeToExtensions().end();
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for (MIMEToExtensionsMap::const_iterator mime_it = (*it)->mimeToExtensions().begin(); mime_it != mime_end; ++mime_it) {
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mimeType = mime_it->first;
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PluginPackage* preferredPlugin = m_preferredPlugins.get(mimeType).get();
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const Vector<String>& extensions = mime_it->second;
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bool foundMapping = false;
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for (unsigned i = 0; i < extensions.size(); i++) {
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if (equalIgnoringCase(extensions[i], extension)) {
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PluginPackage* plugin = (*it).get();
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if (preferredPlugin && PluginPackage::equal(*plugin, *preferredPlugin))
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return mimeType;
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pluginChoices.append(plugin);
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mimeTypeForPlugin.add(plugin, mimeType);
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foundMapping = true;
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break;
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}
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}
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if (foundMapping)
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break;
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}
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}
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if (pluginChoices.isEmpty())
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return String();
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qsort(pluginChoices.data(), pluginChoices.size(), sizeof(PluginPackage*), PluginDatabase::preferredPluginCompare);
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return mimeTypeForPlugin.get(pluginChoices[0]);
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}
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PluginPackage* PluginDatabase::findPlugin(const KURL& url, String& mimeType)
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{
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PluginPackage* plugin = pluginForMIMEType(mimeType);
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String filename = url.string();
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if (!plugin) {
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String filename = url.lastPathComponent();
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if (!filename.endsWith("/")) {
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int extensionPos = filename.reverseFind('.');
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if (extensionPos != -1) {
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String extension = filename.substring(extensionPos + 1);
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mimeType = MIMETypeForExtension(extension);
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plugin = pluginForMIMEType(mimeType);
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}
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}
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}
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// FIXME: if no plugin could be found, query Windows for the mime type
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// corresponding to the extension.
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return plugin;
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}
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void PluginDatabase::setPreferredPluginForMIMEType(const String& mimeType, PluginPackage* plugin)
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{
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if (!plugin || plugin->mimeToExtensions().contains(mimeType))
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m_preferredPlugins.set(mimeType.lower(), plugin);
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}
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void PluginDatabase::getDeletedPlugins(PluginSet& plugins) const
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{
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PluginSet::const_iterator end = m_plugins.end();
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for (PluginSet::const_iterator it = m_plugins.begin(); it != end; ++it) {
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if (!fileExists((*it)->path()))
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plugins.add(*it);
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}
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}
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bool PluginDatabase::add(PassRefPtr<PluginPackage> prpPackage)
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{
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ASSERT_ARG(prpPackage, prpPackage);
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RefPtr<PluginPackage> package = prpPackage;
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if (!m_plugins.add(package).second)
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return false;
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m_pluginsByPath.add(package->path(), package);
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return true;
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}
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void PluginDatabase::remove(PluginPackage* package)
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{
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MIMEToExtensionsMap::const_iterator it = package->mimeToExtensions().begin();
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MIMEToExtensionsMap::const_iterator end = package->mimeToExtensions().end();
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for ( ; it != end; ++it) {
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PluginPackageByNameMap::iterator packageInMap = m_preferredPlugins.find(it->first);
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if (packageInMap != m_preferredPlugins.end() && packageInMap->second == package)
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m_preferredPlugins.remove(packageInMap);
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}
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m_plugins.remove(package);
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m_pluginsByPath.remove(package->path());
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}
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void PluginDatabase::clear()
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{
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m_plugins.clear();
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m_pluginsByPath.clear();
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m_pluginPathsWithTimes.clear();
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m_registeredMIMETypes.clear();
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m_preferredPlugins.clear();
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}
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#if (!PLATFORM(SYMBIAN)) && (!PLATFORM(WIN_OS) || PLATFORM(WX))
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// For Safari/Win the following three methods are implemented
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// in PluginDatabaseWin.cpp, but if we can use WebCore constructs
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// for the logic we should perhaps move it here under XP_WIN?
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Vector<String> PluginDatabase::defaultPluginDirectories()
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{
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Vector<String> paths;
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// Add paths specific to each platform
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#if defined(XP_UNIX)
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String userPluginPath = homeDirectoryPath();
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userPluginPath.append(String("/.mozilla/plugins"));
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paths.append(userPluginPath);
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userPluginPath = homeDirectoryPath();
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userPluginPath.append(String("/.netscape/plugins"));
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paths.append(userPluginPath);
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paths.append("/usr/lib/browser/plugins");
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paths.append("/usr/local/lib/mozilla/plugins");
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paths.append("/usr/lib/firefox/plugins");
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paths.append("/usr/lib64/browser-plugins");
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paths.append("/usr/lib/browser-plugins");
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paths.append("/usr/lib/mozilla/plugins");
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paths.append("/usr/local/netscape/plugins");
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paths.append("/opt/mozilla/plugins");
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paths.append("/opt/mozilla/lib/plugins");
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paths.append("/opt/netscape/plugins");
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paths.append("/opt/netscape/communicator/plugins");
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paths.append("/usr/lib/netscape/plugins");
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paths.append("/usr/lib/netscape/plugins-libc5");
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paths.append("/usr/lib/netscape/plugins-libc6");
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paths.append("/usr/lib64/netscape/plugins");
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paths.append("/usr/lib64/mozilla/plugins");
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paths.append("/usr/lib/nsbrowser/plugins");
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paths.append("/usr/lib64/nsbrowser/plugins");
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String mozHome(getenv("MOZILLA_HOME"));
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mozHome.append("/plugins");
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paths.append(mozHome);
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Vector<String> mozPaths;
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String mozPath(getenv("MOZ_PLUGIN_PATH"));
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mozPath.split(UChar(':'), /* allowEmptyEntries */ false, mozPaths);
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paths.append(mozPaths);
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#elif defined(XP_MACOSX)
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String userPluginPath = homeDirectoryPath();
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userPluginPath.append(String("/Library/Internet Plug-Ins"));
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paths.append(userPluginPath);
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paths.append("/Library/Internet Plug-Ins");
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#elif defined(XP_WIN)
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String userPluginPath = homeDirectoryPath();
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userPluginPath.append(String("\\Application Data\\Mozilla\\plugins"));
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paths.append(userPluginPath);
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#endif
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// Add paths specific to each port
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#if PLATFORM(QT)
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Vector<String> qtPaths;
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String qtPath(getenv("QTWEBKIT_PLUGIN_PATH"));
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qtPath.split(UChar(':'), /* allowEmptyEntries */ false, qtPaths);
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paths.append(qtPaths);
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#endif
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return paths;
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}
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bool PluginDatabase::isPreferredPluginDirectory(const String& path)
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{
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String preferredPath = homeDirectoryPath();
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#if defined(XP_UNIX)
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preferredPath.append(String("/.mozilla/plugins"));
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#elif defined(XP_MACOSX)
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preferredPath.append(String("/Library/Internet Plug-Ins"));
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#elif defined(XP_WIN)
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preferredPath.append(String("\\Application Data\\Mozilla\\plugins"));
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#endif
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// TODO: We should normalize the path before doing a comparison.
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return path == preferredPath;
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}
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void PluginDatabase::getPluginPathsInDirectories(HashSet<String>& paths) const
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{
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// FIXME: This should be a case insensitive set.
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HashSet<String> uniqueFilenames;
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#if defined(XP_UNIX)
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String fileNameFilter("*.so");
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#else
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String fileNameFilter("");
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#endif
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418 |
Vector<String>::const_iterator dirsEnd = m_pluginDirectories.end();
|
|
419 |
for (Vector<String>::const_iterator dIt = m_pluginDirectories.begin(); dIt != dirsEnd; ++dIt) {
|
|
420 |
Vector<String> pluginPaths = listDirectory(*dIt, fileNameFilter);
|
|
421 |
Vector<String>::const_iterator pluginsEnd = pluginPaths.end();
|
|
422 |
for (Vector<String>::const_iterator pIt = pluginPaths.begin(); pIt != pluginsEnd; ++pIt) {
|
|
423 |
if (!fileExists(*pIt))
|
|
424 |
continue;
|
|
425 |
|
|
426 |
paths.add(*pIt);
|
|
427 |
}
|
|
428 |
}
|
|
429 |
}
|
|
430 |
|
|
431 |
#endif // !PLATFORM(SYMBIAN) && !PLATFORM(WIN_OS)
|
|
432 |
|
|
433 |
}
|