262 строки
9.9 KiB
JavaScript
262 строки
9.9 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Firefox Sanitizer.
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*
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* The Initial Developer of the Original Code is
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* Ben Goodger.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Ben Goodger <ben@mozilla.org>
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* Giorgio Maone <g.maone@informaction.com>
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* Ryan Flint <rflint@dslr.net>
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* Robert Kaiser <kairo@kairo.at>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var EXPORTED_SYMBOLS = ["Sanitizer"];
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var Sanitizer = {
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get _prefs() {
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delete this._prefs;
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return this._prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefService)
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.getBranch("privacy.sanitize.");
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},
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/**
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* Deletes privacy sensitive data in a batch, optionally showing the
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* sanitize UI, according to user preferences
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*
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* @returns null if everything's fine (no error or displayed UI, which
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* should handle errors);
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* an object in the form { itemName: error, ... } on (partial) failure
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*/
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sanitize: function(aParentWindow) {
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if (this._prefs.getBoolPref("promptOnSanitize")) {
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var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
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.getService(Components.interfaces.nsIWindowWatcher);
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#ifdef XP_MACOSX
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ww.openWindow(null, // make this an app-modal window on Mac
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#else
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ww.openWindow(aParentWindow,
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#endif
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"chrome://communicator/content/sanitize.xul", "Sanitize",
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"chrome,titlebar,centerscreen,dialog,modal", null);
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return null;
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}
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// do the actual sanitizing
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var itemPrefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefService)
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.getBranch("privacy.item.");
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var errors = null;
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for (var itemName in this.items) {
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var item = this.items[itemName];
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if ("clear" in item && item.canClear && itemPrefs.getBoolPref(itemName)) {
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// Some of these clear() may raise exceptions (see bug #265028)
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// to sanitize as much as possible, we catch and store them,
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// rather than fail fast.
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// Callers should check returned errors and give user feedback
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// about items that could not be sanitized
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try {
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item.clear();
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} catch(ex) {
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if (!errors)
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errors = {};
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errors[itemName] = ex;
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dump("Error sanitizing " + itemName + ": " + ex + "\n");
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}
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}
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}
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return errors;
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},
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// warning to the caller: this one may raise an exception (e.g. bug #265028)
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clearItem: function(aItemName) {
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if (this.items[aItemName].canClear)
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this.items[aItemName].clear();
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},
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canClearItem: function(aItemName) this.items[aItemName].canClear,
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getNameFromPreference: function(aName) aName.substr("privacy.item.".length),
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// this is called on startup and shutdown, to perform pending sanitizations
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checkAndSanitize: function() {
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if (this._prefs.getBoolPref("sanitizeOnShutdown") &&
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!this._prefs.prefHasUserValue("didShutdownSanitize")) {
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// this is a shutdown or a startup after an unclean exit
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if (!this.sanitize(null))
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this._prefs.setBoolPref("didShutdownSanitize", true);
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}
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},
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items: {
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cache: {
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clear: function() {
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var cacheService = Components.classes["@mozilla.org/network/cache-service;1"]
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.getService(Components.interfaces.nsICacheService);
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cacheService.evictEntries(Components.interfaces.nsICache.STORE_ANYWHERE);
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},
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canClear: true
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},
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offlineApps: {
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clear: function() {
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// use try/catch for everything but the last task so we clear as much as possible
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try {
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var cacheService = Components.classes["@mozilla.org/network/cache-service;1"]
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.getService(Components.interfaces.nsICacheService);
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cacheService.evictEntries(Components.interfaces.nsICache.STORE_OFFLINE);
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} catch(ex) {}
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var storageMgr = Components.classes["@mozilla.org/dom/storagemanager;1"]
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.getService(Components.interfaces.nsIDOMStorageManager);
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storageMgr.clearOfflineApps();
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},
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canClear: true
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},
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cookies: {
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clear: function() {
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var cookieMgr = Components.classes["@mozilla.org/cookiemanager;1"]
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.getService(Components.interfaces.nsICookieManager);
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cookieMgr.removeAll();
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// clear any network geolocation provider sessions
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var psvc = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefService);
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try {
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var branch = psvc.getBranch("geo.wifi.access_token.");
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branch.deleteBranch("");
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} catch (e) {}
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},
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canClear: true
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},
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history: {
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clear: function() {
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// use try/catch for everything but the last task so we clear as much as possible
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try {
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var globalHistory = Components.classes["@mozilla.org/browser/global-history;2"]
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.getService(Components.interfaces.nsIBrowserHistory);
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globalHistory.removeAllPages();
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} catch(ex) {}
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try {
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var os = Components.classes["@mozilla.org/observer-service;1"]
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.getService(Components.interfaces.nsIObserverService);
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os.notifyObservers(null, "browser:purge-session-history", "");
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} catch(ex) {}
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// Clear last URL of the Open Web Location dialog
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var prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch2);
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try {
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prefs.clearUserPref("general.open_location.last_url");
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} catch(ex) {}
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// Clear URLbar history (see also pref-history.js)
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var file = Components.classes["@mozilla.org/file/directory_service;1"]
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.getService(Components.interfaces.nsIProperties)
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.get("ProfD", Components.interfaces.nsIFile);
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file.append("urlbarhistory.sqlite");
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if (file.exists())
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file.remove(false);
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},
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// bug 347231: Always allow clearing history due to dependencies on
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// the browser:purge-session-history notification. (like error console)
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canClear: true
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},
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formdata: {
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clear: function() {
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var formHistory = Components.classes["@mozilla.org/satchel/form-history;1"]
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.getService(Components.interfaces.nsIFormHistory2);
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formHistory.removeAllEntries();
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},
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get canClear() {
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var formHistory = Components.classes["@mozilla.org/satchel/form-history;1"]
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.getService(Components.interfaces.nsIFormHistory2);
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return formHistory.hasEntries;
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}
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},
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downloads: {
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clear: function() {
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var dlMgr = Components.classes["@mozilla.org/download-manager;1"]
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.getService(Components.interfaces.nsIDownloadManager);
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dlMgr.cleanUp();
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},
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get canClear() {
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var dlMgr = Components.classes["@mozilla.org/download-manager;1"]
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.getService(Components.interfaces.nsIDownloadManager);
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return dlMgr.canCleanUp;
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}
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},
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passwords: {
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clear: function() {
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var pwmgr = Components.classes["@mozilla.org/login-manager;1"]
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.getService(Components.interfaces.nsILoginManager);
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pwmgr.removeAllLogins();
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},
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get canClear() {
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var pwmgr = Components.classes["@mozilla.org/login-manager;1"]
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.getService(Components.interfaces.nsILoginManager);
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var count = pwmgr.countLogins("", "", ""); // count all logins
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return (count > 0);
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}
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},
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sessions: {
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clear: function() {
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// clear all auth tokens
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var sdr = Components.classes["@mozilla.org/security/sdr;1"]
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.getService(Components.interfaces.nsISecretDecoderRing);
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sdr.logoutAndTeardown();
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// clear plain HTTP auth sessions
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var authMgr = Components.classes["@mozilla.org/network/http-auth-manager;1"]
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.getService(Components.interfaces.nsIHttpAuthManager);
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authMgr.clearAll();
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},
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canClear: true
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}
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}
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};
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