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317 lines
10 KiB
JavaScript
317 lines
10 KiB
JavaScript
# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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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#
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# Alternatively, the contents of this file may be used under the terms of
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# either the GNU General Public License Version 2 or later (the "GPL"), or
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# 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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function Sanitizer() {}
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Sanitizer.prototype = {
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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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{
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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)
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{
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return this.items[aItemName].canClear;
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},
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_prefDomain: "privacy.item.",
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getNameFromPreference: function (aPreferenceName)
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{
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return aPreferenceName.substr(this._prefDomain.length);
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},
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/**
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* Deletes privacy sensitive data in a batch, according to user preferences
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*
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* @returns null if everything's fine; an object in the form
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* { itemName: error, ... } on (partial) failure
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*/
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sanitize: function ()
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{
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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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var branch = psvc.getBranch(this._prefDomain);
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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 && branch.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(er) {
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if (!errors)
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errors = {};
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errors[itemName] = er;
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dump("Error sanitizing " + itemName + ": " + er + "\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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items: {
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cache: {
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clear: function ()
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{
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const cc = Components.classes;
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const ci = Components.interfaces;
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var cacheService = cc["@mozilla.org/network/cache-service;1"]
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.getService(ci.nsICacheService);
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try {
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cacheService.evictEntries(ci.nsICache.STORE_ANYWHERE);
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} catch(er) {}
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},
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get canClear()
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{
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return true;
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}
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},
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cookies: {
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clear: function ()
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{
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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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},
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get canClear()
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{
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var cookieMgr = Components.classes["@mozilla.org/cookiemanager;1"]
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.getService(Components.interfaces.nsICookieManager);
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return cookieMgr.enumerator.hasMoreElements();
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}
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},
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history: {
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clear: function ()
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{
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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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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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}
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catch (e) { }
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},
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get canClear()
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{
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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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return globalHistory.count != 0;
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}
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},
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formdata: {
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clear: function ()
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{
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//Clear undo history of all searchBars
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var windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1'].getService();
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var windowManagerInterface = windowManager.QueryInterface(Components.interfaces.nsIWindowMediator);
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var windows = windowManagerInterface.getEnumerator("navigator:browser");
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while (windows.hasMoreElements()) {
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var searchBar = windows.getNext().document.getElementById("searchbar");
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if (searchBar) {
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searchBar.mTextbox.value = "";
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searchBar.mTextbox.editor.enableUndo(false);
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searchBar.mTextbox.editor.enableUndo(true);
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}
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}
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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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{
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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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{
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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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{
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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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{
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var pwmgr = Components.classes["@mozilla.org/passwordmanager;1"]
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.getService(Components.interfaces.nsIPasswordManager);
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var e = pwmgr.enumerator;
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var passwds = [];
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while (e.hasMoreElements()) {
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var passwd = e.getNext().QueryInterface(Components.interfaces.nsIPassword);
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passwds.push(passwd);
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}
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for (var i = 0; i < passwds.length; ++i)
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pwmgr.removeUser(passwds[i].host, passwds[i].user);
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},
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get canClear()
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{
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var pwmgr = Components.classes["@mozilla.org/passwordmanager;1"]
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.getService(Components.interfaces.nsIPasswordManager);
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return pwmgr.enumerator.hasMoreElements();
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}
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},
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sessions: {
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clear: function ()
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{
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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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get canClear()
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{
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return true;
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}
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}
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}
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};
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// "Static" members
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Sanitizer.prefDomain = "privacy.sanitize.";
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Sanitizer.prefPrompt = "promptOnSanitize";
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Sanitizer.prefShutdown = "sanitizeOnShutdown";
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Sanitizer.prefDidShutdown = "didShutdownSanitize";
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Sanitizer._prefs = null;
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Sanitizer.__defineGetter__("prefs", function()
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{
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return Sanitizer._prefs ? Sanitizer._prefs
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: Sanitizer._prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefService)
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.getBranch(Sanitizer.prefDomain);
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});
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// Shows sanitization UI
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Sanitizer.showUI = function(aParentWindow)
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{
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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://browser/content/sanitize.xul",
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"Sanitize",
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"chrome,titlebar,centerscreen,modal",
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null);
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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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Sanitizer.sanitize = function(aParentWindow)
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{
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if (Sanitizer.prefs.getBoolPref(Sanitizer.prefPrompt)) {
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Sanitizer.showUI(aParentWindow);
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return null;
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}
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return new Sanitizer().sanitize();
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};
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Sanitizer.onStartup = function()
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{
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// we check for unclean exit with pending sanitization
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Sanitizer._checkAndSanitize();
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};
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Sanitizer.onShutdown = function()
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{
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// we check if sanitization is needed and perform it
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Sanitizer._checkAndSanitize();
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};
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// this is called on startup and shutdown, to perform pending sanitizations
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Sanitizer._checkAndSanitize = function()
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{
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const prefs = Sanitizer.prefs;
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if (prefs.getBoolPref(Sanitizer.prefShutdown) &&
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!prefs.prefHasUserValue(Sanitizer.prefDidShutdown)) {
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// this is a shutdown or a startup after an unclean exit
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Sanitizer.sanitize(null) || // sanitize() returns null on full success
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prefs.setBoolPref(Sanitizer.prefDidShutdown, true);
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}
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};
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