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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cu = Components.utils;
+
+this.EXPORTED_SYMBOLS = [];
+
+Cu.import("resource://gre/modules/AddonManager.jsm");
+/* globals AddonManagerPrivate*/
+Cu.import("resource://gre/modules/Services.jsm");
+
+const URI_EXTENSION_STRINGS = "chrome://mozapps/locale/extensions/extensions.properties";
+const STRING_TYPE_NAME = "type.%ID%.name";
+const LIST_UPDATED_TOPIC = "plugins-list-updated";
+const FLASH_MIME_TYPE = "application/x-shockwave-flash";
+
+Cu.import("resource://gre/modules/Log.jsm");
+const LOGGER_ID = "addons.plugins";
+
+// Create a new logger for use by the Addons Plugin Provider
+// (Requires AddonManager.jsm)
+var logger = Log.repository.getLogger(LOGGER_ID);
+
+function getIDHashForString(aStr) {
+ // return the two-digit hexadecimal code for a byte
+ let toHexString = charCode => ("0" + charCode.toString(16)).slice(-2);
+
+ let hasher = Cc["@mozilla.org/security/hash;1"].
+ createInstance(Ci.nsICryptoHash);
+ hasher.init(Ci.nsICryptoHash.MD5);
+ let stringStream = Cc["@mozilla.org/io/string-input-stream;1"].
+ createInstance(Ci.nsIStringInputStream);
+ stringStream.data = aStr ? aStr : "null";
+ hasher.updateFromStream(stringStream, -1);
+
+ // convert the binary hash data to a hex string.
+ let binary = hasher.finish(false);
+ let hash = Array.from(binary, c => toHexString(c.charCodeAt(0)));
+ hash = hash.join("").toLowerCase();
+ return "{" + hash.substr(0, 8) + "-" +
+ hash.substr(8, 4) + "-" +
+ hash.substr(12, 4) + "-" +
+ hash.substr(16, 4) + "-" +
+ hash.substr(20) + "}";
+}
+
+var PluginProvider = {
+ get name() {
+ return "PluginProvider";
+ },
+
+ // A dictionary mapping IDs to names and descriptions
+ plugins: null,
+
+ startup: function() {
+ Services.obs.addObserver(this, LIST_UPDATED_TOPIC, false);
+ Services.obs.addObserver(this, AddonManager.OPTIONS_NOTIFICATION_DISPLAYED, false);
+ },
+
+ /**
+ * Called when the application is shutting down. Only necessary for tests
+ * to be able to simulate a shutdown.
+ */
+ shutdown: function() {
+ this.plugins = null;
+ Services.obs.removeObserver(this, AddonManager.OPTIONS_NOTIFICATION_DISPLAYED);
+ Services.obs.removeObserver(this, LIST_UPDATED_TOPIC);
+ },
+
+ observe: function(aSubject, aTopic, aData) {
+ switch (aTopic) {
+ case AddonManager.OPTIONS_NOTIFICATION_DISPLAYED:
+ this.getAddonByID(aData, function(plugin) {
+ if (!plugin)
+ return;
+
+ let libLabel = aSubject.getElementById("pluginLibraries");
+ libLabel.textContent = plugin.pluginLibraries.join(", ");
+
+ let typeLabel = aSubject.getElementById("pluginMimeTypes"), types = [];
+ for (let type of plugin.pluginMimeTypes) {
+ let extras = [type.description.trim(), type.suffixes].
+ filter(x => x).join(": ");
+ types.push(type.type + (extras ? " (" + extras + ")" : ""));
+ }
+ typeLabel.textContent = types.join(",\n");
+ let showProtectedModePref = canDisableFlashProtectedMode(plugin);
+ aSubject.getElementById("pluginEnableProtectedMode")
+ .setAttribute("collapsed", showProtectedModePref ? "" : "true");
+ });
+ break;
+ case LIST_UPDATED_TOPIC:
+ if (this.plugins)
+ this.updatePluginList();
+ break;
+ }
+ },
+
+ /**
+ * Creates a PluginWrapper for a plugin object.
+ */
+ buildWrapper: function(aPlugin) {
+ return new PluginWrapper(aPlugin.id,
+ aPlugin.name,
+ aPlugin.description,
+ aPlugin.tags);
+ },
+
+ /**
+ * Called to get an Addon with a particular ID.
+ *
+ * @param aId
+ * The ID of the add-on to retrieve
+ * @param aCallback
+ * A callback to pass the Addon to
+ */
+ getAddonByID: function(aId, aCallback) {
+ if (!this.plugins)
+ this.buildPluginList();
+
+ if (aId in this.plugins)
+ aCallback(this.buildWrapper(this.plugins[aId]));
+ else
+ aCallback(null);
+ },
+
+ /**
+ * Called to get Addons of a particular type.
+ *
+ * @param aTypes
+ * An array of types to fetch. Can be null to get all types.
+ * @param callback
+ * A callback to pass an array of Addons to
+ */
+ getAddonsByTypes: function(aTypes, aCallback) {
+ if (aTypes && aTypes.indexOf("plugin") < 0) {
+ aCallback([]);
+ return;
+ }
+
+ if (!this.plugins)
+ this.buildPluginList();
+
+ let results = [];
+
+ for (let id in this.plugins)
+ this.getAddonByID(id, (addon) => results.push(addon));
+
+ aCallback(results);
+ },
+
+ /**
+ * Called to get Addons that have pending operations.
+ *
+ * @param aTypes
+ * An array of types to fetch. Can be null to get all types
+ * @param aCallback
+ * A callback to pass an array of Addons to
+ */
+ getAddonsWithOperationsByTypes: function(aTypes, aCallback) {
+ aCallback([]);
+ },
+
+ /**
+ * Called to get the current AddonInstalls, optionally restricting by type.
+ *
+ * @param aTypes
+ * An array of types or null to get all types
+ * @param aCallback
+ * A callback to pass the array of AddonInstalls to
+ */
+ getInstallsByTypes: function(aTypes, aCallback) {
+ aCallback([]);
+ },
+
+ /**
+ * Builds a list of the current plugins reported by the plugin host
+ *
+ * @return a dictionary of plugins indexed by our generated ID
+ */
+ getPluginList: function() {
+ let tags = Cc["@mozilla.org/plugin/host;1"].
+ getService(Ci.nsIPluginHost).
+ getPluginTags({});
+
+ let list = {};
+ let seenPlugins = {};
+ for (let tag of tags) {
+ if (!(tag.name in seenPlugins))
+ seenPlugins[tag.name] = {};
+ if (!(tag.description in seenPlugins[tag.name])) {
+ let plugin = {
+ id: getIDHashForString(tag.name + tag.description),
+ name: tag.name,
+ description: tag.description,
+ tags: [tag]
+ };
+
+ seenPlugins[tag.name][tag.description] = plugin;
+ list[plugin.id] = plugin;
+ }
+ else {
+ seenPlugins[tag.name][tag.description].tags.push(tag);
+ }
+ }
+
+ return list;
+ },
+
+ /**
+ * Builds the list of known plugins from the plugin host
+ */
+ buildPluginList: function() {
+ this.plugins = this.getPluginList();
+ },
+
+ /**
+ * Updates the plugins from the plugin host by comparing the current plugins
+ * to the last known list sending out any necessary API notifications for
+ * changes.
+ */
+ updatePluginList: function() {
+ let newList = this.getPluginList();
+
+ let lostPlugins = Object.keys(this.plugins).filter(id => !(id in newList)).
+ map(id => this.buildWrapper(this.plugins[id]));
+ let newPlugins = Object.keys(newList).filter(id => !(id in this.plugins)).
+ map(id => this.buildWrapper(newList[id]));
+ let matchedIDs = Object.keys(newList).filter(id => id in this.plugins);
+
+ // The plugin host generates new tags for every plugin after a scan and
+ // if the plugin's filename has changed then the disabled state won't have
+ // been carried across, send out notifications for anything that has
+ // changed (see bug 830267).
+ let changedWrappers = [];
+ for (let id of matchedIDs) {
+ let oldWrapper = this.buildWrapper(this.plugins[id]);
+ let newWrapper = this.buildWrapper(newList[id]);
+
+ if (newWrapper.isActive != oldWrapper.isActive) {
+ AddonManagerPrivate.callAddonListeners(newWrapper.isActive ?
+ "onEnabling" : "onDisabling",
+ newWrapper, false);
+ changedWrappers.push(newWrapper);
+ }
+ }
+
+ // Notify about new installs
+ for (let plugin of newPlugins) {
+ AddonManagerPrivate.callInstallListeners("onExternalInstall", null,
+ plugin, null, false);
+ AddonManagerPrivate.callAddonListeners("onInstalling", plugin, false);
+ }
+
+ // Notify for any plugins that have vanished.
+ for (let plugin of lostPlugins)
+ AddonManagerPrivate.callAddonListeners("onUninstalling", plugin, false);
+
+ this.plugins = newList;
+
+ // Signal that new installs are complete
+ for (let plugin of newPlugins)
+ AddonManagerPrivate.callAddonListeners("onInstalled", plugin);
+
+ // Signal that enables/disables are complete
+ for (let wrapper of changedWrappers) {
+ AddonManagerPrivate.callAddonListeners(wrapper.isActive ?
+ "onEnabled" : "onDisabled",
+ wrapper);
+ }
+
+ // Signal that uninstalls are complete
+ for (let plugin of lostPlugins)
+ AddonManagerPrivate.callAddonListeners("onUninstalled", plugin);
+ }
+};
+
+function isFlashPlugin(aPlugin) {
+ for (let type of aPlugin.pluginMimeTypes) {
+ if (type.type == FLASH_MIME_TYPE) {
+ return true;
+ }
+ }
+ return false;
+}
+// Protected mode is win32-only, not win64
+function canDisableFlashProtectedMode(aPlugin) {
+ return isFlashPlugin(aPlugin) && Services.appinfo.XPCOMABI == "x86-msvc";
+}
+
+const wrapperMap = new WeakMap();
+let pluginFor = wrapper => wrapperMap.get(wrapper);
+
+/**
+ * The PluginWrapper wraps a set of nsIPluginTags to provide the data visible to
+ * public callers through the API.
+ */
+function PluginWrapper(id, name, description, tags) {
+ wrapperMap.set(this, { id, name, description, tags });
+}
+
+PluginWrapper.prototype = {
+ get id() {
+ return pluginFor(this).id;
+ },
+
+ get type() {
+ return "plugin";
+ },
+
+ get name() {
+ return pluginFor(this).name;
+ },
+
+ get creator() {
+ return null;
+ },
+
+ get description() {
+ return pluginFor(this).description.replace(/<\/?[a-z][^>]*>/gi, " ");
+ },
+
+ get version() {
+ let { tags: [tag] } = pluginFor(this);
+ return tag.version;
+ },
+
+ get homepageURL() {
+ let { description } = pluginFor(this);
+ if (/<A\s+HREF=[^>]*>/i.test(description))
+ return /<A\s+HREF=["']?([^>"'\s]*)/i.exec(description)[1];
+ return null;
+ },
+
+ get isActive() {
+ let { tags: [tag] } = pluginFor(this);
+ return !tag.blocklisted && !tag.disabled;
+ },
+
+ get appDisabled() {
+ let { tags: [tag] } = pluginFor(this);
+ return tag.blocklisted;
+ },
+
+ get userDisabled() {
+ let { tags: [tag] } = pluginFor(this);
+ if (tag.disabled)
+ return true;
+
+ if ((Services.prefs.getBoolPref("plugins.click_to_play") && tag.clicktoplay) ||
+ this.blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_UPDATE_AVAILABLE ||
+ this.blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_NO_UPDATE)
+ return AddonManager.STATE_ASK_TO_ACTIVATE;
+
+ return false;
+ },
+
+ set userDisabled(val) {
+ let previousVal = this.userDisabled;
+ if (val === previousVal)
+ return val;
+
+ let { tags } = pluginFor(this);
+
+ for (let tag of tags) {
+ if (val === true)
+ tag.enabledState = Ci.nsIPluginTag.STATE_DISABLED;
+ else if (val === false)
+ tag.enabledState = Ci.nsIPluginTag.STATE_ENABLED;
+ else if (val == AddonManager.STATE_ASK_TO_ACTIVATE)
+ tag.enabledState = Ci.nsIPluginTag.STATE_CLICKTOPLAY;
+ }
+
+ // If 'userDisabled' was 'true' and we're going to a state that's not
+ // that, we're enabling, so call those listeners.
+ if (previousVal === true && val !== true) {
+ AddonManagerPrivate.callAddonListeners("onEnabling", this, false);
+ AddonManagerPrivate.callAddonListeners("onEnabled", this);
+ }
+
+ // If 'userDisabled' was not 'true' and we're going to a state where
+ // it is, we're disabling, so call those listeners.
+ if (previousVal !== true && val === true) {
+ AddonManagerPrivate.callAddonListeners("onDisabling", this, false);
+ AddonManagerPrivate.callAddonListeners("onDisabled", this);
+ }
+
+ // If the 'userDisabled' value involved AddonManager.STATE_ASK_TO_ACTIVATE,
+ // call the onPropertyChanged listeners.
+ if (previousVal == AddonManager.STATE_ASK_TO_ACTIVATE ||
+ val == AddonManager.STATE_ASK_TO_ACTIVATE) {
+ AddonManagerPrivate.callAddonListeners("onPropertyChanged", this, ["userDisabled"]);
+ }
+
+ return val;
+ },
+
+ get blocklistState() {
+ let { tags: [tag] } = pluginFor(this);
+ let bs = Cc["@mozilla.org/extensions/blocklist;1"].
+ getService(Ci.nsIBlocklistService);
+ return bs.getPluginBlocklistState(tag);
+ },
+
+ get blocklistURL() {
+ let { tags: [tag] } = pluginFor(this);
+ let bs = Cc["@mozilla.org/extensions/blocklist;1"].
+ getService(Ci.nsIBlocklistService);
+ return bs.getPluginBlocklistURL(tag);
+ },
+
+ get size() {
+ function getDirectorySize(aFile) {
+ let size = 0;
+ let entries = aFile.directoryEntries.QueryInterface(Ci.nsIDirectoryEnumerator);
+ let entry;
+ while ((entry = entries.nextFile)) {
+ if (entry.isSymlink() || !entry.isDirectory())
+ size += entry.fileSize;
+ else
+ size += getDirectorySize(entry);
+ }
+ entries.close();
+ return size;
+ }
+
+ let size = 0;
+ let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);
+ for (let tag of pluginFor(this).tags) {
+ file.initWithPath(tag.fullpath);
+ if (file.isDirectory())
+ size += getDirectorySize(file);
+ else
+ size += file.fileSize;
+ }
+ return size;
+ },
+
+ get pluginLibraries() {
+ let libs = [];
+ for (let tag of pluginFor(this).tags)
+ libs.push(tag.filename);
+ return libs;
+ },
+
+ get pluginFullpath() {
+ let paths = [];
+ for (let tag of pluginFor(this).tags)
+ paths.push(tag.fullpath);
+ return paths;
+ },
+
+ get pluginMimeTypes() {
+ let types = [];
+ for (let tag of pluginFor(this).tags) {
+ let mimeTypes = tag.getMimeTypes({});
+ let mimeDescriptions = tag.getMimeDescriptions({});
+ let extensions = tag.getExtensions({});
+ for (let i = 0; i < mimeTypes.length; i++) {
+ let type = {};
+ type.type = mimeTypes[i];
+ type.description = mimeDescriptions[i];
+ type.suffixes = extensions[i];
+
+ types.push(type);
+ }
+ }
+ return types;
+ },
+
+ get installDate() {
+ let date = 0;
+ for (let tag of pluginFor(this).tags) {
+ date = Math.max(date, tag.lastModifiedTime);
+ }
+ return new Date(date);
+ },
+
+ get scope() {
+ let { tags: [tag] } = pluginFor(this);
+ let path = tag.fullpath;
+ // Plugins inside the application directory are in the application scope
+ let dir = Services.dirsvc.get("APlugns", Ci.nsIFile);
+ if (path.startsWith(dir.path))
+ return AddonManager.SCOPE_APPLICATION;
+
+ // Plugins inside the profile directory are in the profile scope
+ dir = Services.dirsvc.get("ProfD", Ci.nsIFile);
+ if (path.startsWith(dir.path))
+ return AddonManager.SCOPE_PROFILE;
+
+ // Plugins anywhere else in the user's home are in the user scope,
+ // but not all platforms have a home directory.
+ try {
+ dir = Services.dirsvc.get("Home", Ci.nsIFile);
+ if (path.startsWith(dir.path))
+ return AddonManager.SCOPE_USER;
+ } catch (e) {
+ if (!e.result || e.result != Components.results.NS_ERROR_FAILURE)
+ throw e;
+ // Do nothing: missing "Home".
+ }
+
+ // Any other locations are system scope
+ return AddonManager.SCOPE_SYSTEM;
+ },
+
+ get pendingOperations() {
+ return AddonManager.PENDING_NONE;
+ },
+
+ get operationsRequiringRestart() {
+ return AddonManager.OP_NEEDS_RESTART_NONE;
+ },
+
+ get permissions() {
+ let { tags: [tag] } = pluginFor(this);
+ let permissions = 0;
+ if (tag.isEnabledStateLocked) {
+ return permissions;
+ }
+ if (!this.appDisabled) {
+
+ if (this.userDisabled !== true)
+ permissions |= AddonManager.PERM_CAN_DISABLE;
+
+ let blocklistState = this.blocklistState;
+ let isCTPBlocklisted =
+ (blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_NO_UPDATE ||
+ blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_UPDATE_AVAILABLE);
+
+ if (this.userDisabled !== AddonManager.STATE_ASK_TO_ACTIVATE &&
+ (Services.prefs.getBoolPref("plugins.click_to_play") ||
+ isCTPBlocklisted)) {
+ permissions |= AddonManager.PERM_CAN_ASK_TO_ACTIVATE;
+ }
+
+ if (this.userDisabled !== false && !isCTPBlocklisted) {
+ permissions |= AddonManager.PERM_CAN_ENABLE;
+ }
+ }
+ return permissions;
+ },
+
+ get optionsType() {
+ if (canDisableFlashProtectedMode(this)) {
+ return AddonManager.OPTIONS_TYPE_INLINE;
+ }
+ return AddonManager.OPTIONS_TYPE_INLINE_INFO;
+ },
+
+ get optionsURL() {
+ return "chrome://mozapps/content/extensions/pluginPrefs.xul";
+ },
+
+ get updateDate() {
+ return this.installDate;
+ },
+
+ get isCompatible() {
+ return true;
+ },
+
+ get isPlatformCompatible() {
+ return true;
+ },
+
+ get providesUpdatesSecurely() {
+ return true;
+ },
+
+ get foreignInstall() {
+ return true;
+ },
+
+ isCompatibleWith: function(aAppVersion, aPlatformVersion) {
+ return true;
+ },
+
+ findUpdates: function(aListener, aReason, aAppVersion, aPlatformVersion) {
+ if ("onNoCompatibilityUpdateAvailable" in aListener)
+ aListener.onNoCompatibilityUpdateAvailable(this);
+ if ("onNoUpdateAvailable" in aListener)
+ aListener.onNoUpdateAvailable(this);
+ if ("onUpdateFinished" in aListener)
+ aListener.onUpdateFinished(this);
+ }
+};
+
+AddonManagerPrivate.registerProvider(PluginProvider, [
+ new AddonManagerPrivate.AddonType("plugin", URI_EXTENSION_STRINGS,
+ STRING_TYPE_NAME,
+ AddonManager.VIEW_TYPE_LIST, 6000,
+ AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE)
+]);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 08:53:21 +0000