1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/browser/metro/base/content/sanitize.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,309 @@
1.4 +// -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +XPCOMUtils.defineLazyModuleGetter(this, "LoadContextInfo",
1.10 + "resource://gre/modules/LoadContextInfo.jsm");
1.11 +function Sanitizer() {}
1.12 +
1.13 +Sanitizer.prototype = {
1.14 + // warning to the caller: this one may raise an exception (e.g. bug #265028)
1.15 + clearItem: function (aItemName)
1.16 + {
1.17 + if (this.items[aItemName].canClear)
1.18 + this.items[aItemName].clear();
1.19 + },
1.20 +
1.21 + canClearItem: function (aItemName, aCallback, aArg)
1.22 + {
1.23 + let canClear = this.items[aItemName].canClear;
1.24 + if (typeof canClear == "function"){
1.25 + canClear(aCallback, aArg);
1.26 + } else {
1.27 + aCallback(aItemName, canClear, aArg);
1.28 + }
1.29 + },
1.30 +
1.31 + _prefDomain: "privacy.item.",
1.32 + getNameFromPreference: function (aPreferenceName)
1.33 + {
1.34 + return aPreferenceName.substr(this._prefDomain.length);
1.35 + },
1.36 +
1.37 + /**
1.38 + * Deletes privacy sensitive data in a batch, according to user preferences
1.39 + *
1.40 + * @returns null if everything's fine; an object in the form
1.41 + * { itemName: error, ... } on (partial) failure
1.42 + */
1.43 + sanitize: function ()
1.44 + {
1.45 + var branch = Services.prefs.getBranch(this._prefDomain);
1.46 + var errors = null;
1.47 + for (var itemName in this.items) {
1.48 + if ("clear" in item && branch.getBoolPref(itemName)) {
1.49 + // Some of these clear() may raise exceptions (see bug #265028)
1.50 + // to sanitize as much as possible, we catch and store them,
1.51 + // rather than fail fast.
1.52 + // Callers should check returned errors and give user feedback
1.53 + // about items that could not be sanitized
1.54 + let clearCallback = (itemName, aCanClear) => {
1.55 + let item = this.items[itemName];
1.56 + try{
1.57 + if (aCanClear){
1.58 + item.clear();
1.59 + }
1.60 + } catch(er){
1.61 + if (!errors){
1.62 + errors = {};
1.63 + }
1.64 + errors[itemName] = er;
1.65 + dump("Error sanitizing " + itemName + ":" + er + "\n");
1.66 + }
1.67 + }
1.68 + this.canClearItem(itemName, clearCallback);
1.69 + }
1.70 + }
1.71 + return errors;
1.72 + },
1.73 +
1.74 + items: {
1.75 + // Clear Sync account before passwords so that Sync still has access to the
1.76 + // credentials to clean up device-specific records on the server. Also
1.77 + // disable it before wiping history so we don't accidentally sync that.
1.78 + syncAccount: {
1.79 + clear: function ()
1.80 + {
1.81 + Sync.disconnect();
1.82 + },
1.83 +
1.84 + get canClear()
1.85 + {
1.86 + return (Weave.Status.checkSetup() != Weave.CLIENT_NOT_CONFIGURED);
1.87 + }
1.88 + },
1.89 +
1.90 + cache: {
1.91 + clear: function ()
1.92 + {
1.93 + var cache = Cc["@mozilla.org/netwerk/cache-storage-service;1"].getService(Ci.nsICacheStorageService);
1.94 + try {
1.95 + cache.clear();
1.96 + } catch(er) {}
1.97 +
1.98 + let imageCache = Cc["@mozilla.org/image/cache;1"].getService(Ci.imgICache);
1.99 + try {
1.100 + imageCache.clearCache(false); // true=chrome, false=content
1.101 + } catch(er) {}
1.102 + },
1.103 +
1.104 + get canClear()
1.105 + {
1.106 + return true;
1.107 + }
1.108 + },
1.109 +
1.110 + cookies: {
1.111 + clear: function ()
1.112 + {
1.113 + var cookieMgr = Cc["@mozilla.org/cookiemanager;1"].getService(Ci.nsICookieManager);
1.114 + cookieMgr.removeAll();
1.115 + },
1.116 +
1.117 + get canClear()
1.118 + {
1.119 + return true;
1.120 + }
1.121 + },
1.122 +
1.123 + siteSettings: {
1.124 + clear: function ()
1.125 + {
1.126 + // Clear site-specific permissions like "Allow this site to open popups"
1.127 + Services.perms.removeAll();
1.128 +
1.129 + // Clear site-specific settings like page-zoom level
1.130 + var cps = Cc["@mozilla.org/content-pref/service;1"].getService(Ci.nsIContentPrefService2);
1.131 + cps.removeAllDomains(null);
1.132 +
1.133 + // Clear "Never remember passwords for this site", which is not handled by
1.134 + // the permission manager
1.135 + var pwmgr = Cc["@mozilla.org/login-manager;1"].getService(Ci.nsILoginManager);
1.136 + var hosts = pwmgr.getAllDisabledHosts({})
1.137 + for each (var host in hosts) {
1.138 + pwmgr.setLoginSavingEnabled(host, true);
1.139 + }
1.140 + },
1.141 +
1.142 + get canClear()
1.143 + {
1.144 + return true;
1.145 + }
1.146 + },
1.147 +
1.148 + offlineApps: {
1.149 + clear: function ()
1.150 + {
1.151 + var cacheService = Cc["@mozilla.org/netwerk/cache-storage-service;1"].getService(Ci.nsICacheStorageService);
1.152 + var appCacheStorage = cacheService.appCacheStorage(LoadContextInfo.default, null);
1.153 + try {
1.154 + appCacheStorage.asyncEvictStorage(null);
1.155 + } catch(er) {}
1.156 + },
1.157 +
1.158 + get canClear()
1.159 + {
1.160 + return true;
1.161 + }
1.162 + },
1.163 +
1.164 + history: {
1.165 + clear: function ()
1.166 + {
1.167 + try {
1.168 + Services.obs.notifyObservers(null, "browser:purge-session-history", "");
1.169 + }
1.170 + catch (e) {
1.171 + Components.utils.reportError("Failed to notify observers of "
1.172 + + "browser:purge-session-history: "
1.173 + + e);
1.174 + }
1.175 + },
1.176 +
1.177 + get canClear()
1.178 + {
1.179 + // bug 347231: Always allow clearing history due to dependencies on
1.180 + // the browser:purge-session-history notification. (like error console)
1.181 + return true;
1.182 + }
1.183 + },
1.184 +
1.185 + formdata: {
1.186 + clear: function ()
1.187 + {
1.188 + //Clear undo history of all searchBars
1.189 + var windows = Services.wm.getEnumerator("navigator:browser");
1.190 + while (windows.hasMoreElements()) {
1.191 + var searchBar = windows.getNext().document.getElementById("searchbar");
1.192 + if (searchBar) {
1.193 + searchBar.value = "";
1.194 + searchBar.textbox.editor.transactionManager.clear();
1.195 + }
1.196 + }
1.197 + FormHistory.update({op : "remove"});
1.198 + },
1.199 +
1.200 + canClear : function(aCallback, aArg)
1.201 + {
1.202 + let count = 0;
1.203 + let countDone = {
1.204 + handleResult : function(aResult) { count = aResult; },
1.205 + handleError : function(aError) { Components.utils.reportError(aError); },
1.206 + handleCompletion : function(aReason) { aCallback("formdata", aReason == 0 && count > 0, aArg); }
1.207 + };
1.208 + FormHistory.count({}, countDone);
1.209 + }
1.210 + },
1.211 +
1.212 + downloads: {
1.213 + clear: function ()
1.214 + {
1.215 + var dlMgr = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
1.216 + dlMgr.cleanUp();
1.217 + },
1.218 +
1.219 + get canClear()
1.220 + {
1.221 + var dlMgr = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
1.222 + return dlMgr.canCleanUp;
1.223 + }
1.224 + },
1.225 +
1.226 + passwords: {
1.227 + clear: function ()
1.228 + {
1.229 + var pwmgr = Cc["@mozilla.org/login-manager;1"].getService(Ci.nsILoginManager);
1.230 + pwmgr.removeAllLogins();
1.231 + },
1.232 +
1.233 + get canClear()
1.234 + {
1.235 + var pwmgr = Cc["@mozilla.org/login-manager;1"].getService(Ci.nsILoginManager);
1.236 + var count = pwmgr.countLogins("", "", ""); // count all logins
1.237 + return (count > 0);
1.238 + }
1.239 + },
1.240 +
1.241 + sessions: {
1.242 + clear: function ()
1.243 + {
1.244 + // clear all auth tokens
1.245 + var sdr = Cc["@mozilla.org/security/sdr;1"].getService(Ci.nsISecretDecoderRing);
1.246 + sdr.logoutAndTeardown();
1.247 +
1.248 + // clear plain HTTP auth sessions
1.249 + var authMgr = Cc['@mozilla.org/network/http-auth-manager;1'].getService(Ci.nsIHttpAuthManager);
1.250 + authMgr.clearAll();
1.251 + },
1.252 +
1.253 + get canClear()
1.254 + {
1.255 + return true;
1.256 + }
1.257 + }
1.258 + }
1.259 +};
1.260 +
1.261 +
1.262 +// "Static" members
1.263 +Sanitizer.prefDomain = "privacy.sanitize.";
1.264 +Sanitizer.prefShutdown = "sanitizeOnShutdown";
1.265 +Sanitizer.prefDidShutdown = "didShutdownSanitize";
1.266 +
1.267 +Sanitizer._prefs = null;
1.268 +Sanitizer.__defineGetter__("prefs", function()
1.269 +{
1.270 + return Sanitizer._prefs ? Sanitizer._prefs
1.271 + : Sanitizer._prefs = Cc["@mozilla.org/preferences-service;1"]
1.272 + .getService(Ci.nsIPrefService)
1.273 + .getBranch(Sanitizer.prefDomain);
1.274 +});
1.275 +
1.276 +/**
1.277 + * Deletes privacy sensitive data in a batch, optionally showing the
1.278 + * sanitize UI, according to user preferences
1.279 + *
1.280 + * @returns null if everything's fine
1.281 + * an object in the form { itemName: error, ... } on (partial) failure
1.282 + */
1.283 +Sanitizer.sanitize = function()
1.284 +{
1.285 + return new Sanitizer().sanitize();
1.286 +};
1.287 +
1.288 +Sanitizer.onStartup = function()
1.289 +{
1.290 + // we check for unclean exit with pending sanitization
1.291 + Sanitizer._checkAndSanitize();
1.292 +};
1.293 +
1.294 +Sanitizer.onShutdown = function()
1.295 +{
1.296 + // we check if sanitization is needed and perform it
1.297 + Sanitizer._checkAndSanitize();
1.298 +};
1.299 +
1.300 +// this is called on startup and shutdown, to perform pending sanitizations
1.301 +Sanitizer._checkAndSanitize = function()
1.302 +{
1.303 + const prefs = Sanitizer.prefs;
1.304 + if (prefs.getBoolPref(Sanitizer.prefShutdown) &&
1.305 + !prefs.prefHasUserValue(Sanitizer.prefDidShutdown)) {
1.306 + // this is a shutdown or a startup after an unclean exit
1.307 + Sanitizer.sanitize() || // sanitize() returns null on full success
1.308 + prefs.setBoolPref(Sanitizer.prefDidShutdown, true);
1.309 + }
1.310 +};
1.311 +
1.312 +
