414 lines
13 KiB
JavaScript
414 lines
13 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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/* Constants for password prompt telemetry.
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* Mirrored in nsLoginManagerPrompter.js */
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const PROMPT_DISPLAYED = 0;
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const PROMPT_ADD = 1;
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const PROMPT_NOTNOW = 2;
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const PROMPT_NEVER = 3;
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const PROMPT_UPDATE = 1;
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/* ==================== LoginManagerPrompter ==================== */
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/*
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* LoginManagerPrompter
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*
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* Implements interfaces for prompting the user to enter/save/change auth info.
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*
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* nsILoginManagerPrompter: Used by Login Manager for saving/changing logins
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* found in HTML forms.
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*/
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function LoginManagerPrompter() {
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}
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LoginManagerPrompter.prototype = {
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classID : Components.ID("97d12931-abe2-11df-94e2-0800200c9a66"),
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QueryInterface : XPCOMUtils.generateQI([Ci.nsILoginManagerPrompter]),
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_factory : null,
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_window : null,
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_debug : false, // mirrors signon.debug
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__pwmgr : null, // Password Manager service
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get _pwmgr() {
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if (!this.__pwmgr)
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this.__pwmgr = Cc["@mozilla.org/login-manager;1"].
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getService(Ci.nsILoginManager);
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return this.__pwmgr;
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},
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__promptService : null, // Prompt service for user interaction
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get _promptService() {
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if (!this.__promptService)
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this.__promptService = Cc["@mozilla.org/embedcomp/prompt-service;1"].
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getService(Ci.nsIPromptService2);
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return this.__promptService;
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},
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__strBundle : null, // String bundle for L10N
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get _strBundle() {
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if (!this.__strBundle) {
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let bunService = Cc["@mozilla.org/intl/stringbundle;1"].
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getService(Ci.nsIStringBundleService);
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this.__strBundle = {
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pwmgr : bunService.createBundle("chrome://passwordmgr/locale/passwordmgr.properties"),
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brand : bunService.createBundle("chrome://branding/locale/brand.properties")
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};
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if (!this.__strBundle)
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throw "String bundle for Login Manager not present!";
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}
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return this.__strBundle;
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},
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__ellipsis : null,
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get _ellipsis() {
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if (!this.__ellipsis) {
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this.__ellipsis = "\u2026";
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try {
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this.__ellipsis = Services.prefs.getComplexValue(
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"intl.ellipsis", Ci.nsIPrefLocalizedString).data;
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} catch (e) { }
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}
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return this.__ellipsis;
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},
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/*
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* log
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*
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* Internal function for logging debug messages to the Error Console window.
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*/
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log : function (message) {
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if (!this._debug)
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return;
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dump("Pwmgr Prompter: " + message + "\n");
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Services.console.logStringMessage("Pwmgr Prompter: " + message);
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},
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/* ---------- nsILoginManagerPrompter prompts ---------- */
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/*
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* init
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*
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*/
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init : function (aWindow, aFactory) {
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this._chromeWindow = this._getChromeWindow(aWindow).wrappedJSObject;
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this._factory = aFactory || null;
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this._browser = null;
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var prefBranch = Services.prefs.getBranch("signon.");
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this._debug = prefBranch.getBoolPref("debug");
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this.log("===== initialized =====");
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},
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set browser(aBrowser) {
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this._browser = aBrowser;
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},
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// setting this attribute is ignored because Android does not consider
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// opener windows when displaying login notifications
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set opener(aOpener) { },
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/*
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* promptToSavePassword
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*
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*/
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promptToSavePassword : function (aLogin) {
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this._showSaveLoginNotification(aLogin);
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Services.telemetry.getHistogramById("PWMGR_PROMPT_REMEMBER_ACTION").add(PROMPT_DISPLAYED);
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Services.obs.notifyObservers(aLogin, "passwordmgr-prompt-save", null);
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},
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/*
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* _showLoginNotification
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*
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* Displays a notification doorhanger.
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* @param aBody
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* String message to be displayed in the doorhanger
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* @param aButtons
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* Buttons to display with the doorhanger
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* @param aUsername
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* Username string used in creating a doorhanger action
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* @param aPassword
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* Password string used in creating a doorhanger action
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*/
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_showLoginNotification : function (aBody, aButtons, aUsername, aPassword) {
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let tabID = this._chromeWindow.BrowserApp.getTabForBrowser(this._browser).id;
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let actionText = {
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text: aUsername,
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type: "EDIT",
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bundle: { username: aUsername,
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password: aPassword }
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};
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// The page we're going to hasn't loaded yet, so we want to persist
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// across the first location change.
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// Sites like Gmail perform a funky redirect dance before you end up
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// at the post-authentication page. I don't see a good way to
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// heuristically determine when to ignore such location changes, so
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// we'll try ignoring location changes based on a time interval.
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let options = {
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persistWhileVisible: true,
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timeout: Date.now() + 10000,
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actionText: actionText
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}
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var nativeWindow = this._getNativeWindow();
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if (nativeWindow)
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nativeWindow.doorhanger.show(aBody, "password", aButtons, tabID, options, "LOGIN");
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},
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/*
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* _showSaveLoginNotification
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*
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* Displays a notification doorhanger (rather than a popup), to allow the user to
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* save the specified login. This allows the user to see the results of
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* their login, and only save a login which they know worked.
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*
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*/
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_showSaveLoginNotification : function (aLogin) {
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let brandShortName = this._strBundle.brand.GetStringFromName("brandShortName");
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let notificationText = this._getLocalizedString("saveLogin", [brandShortName]);
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let username = aLogin.username ? this._sanitizeUsername(aLogin.username) : "";
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// The callbacks in |buttons| have a closure to access the variables
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// in scope here; set one to |this._pwmgr| so we can get back to pwmgr
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// without a getService() call.
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var pwmgr = this._pwmgr;
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let promptHistogram = Services.telemetry.getHistogramById("PWMGR_PROMPT_REMEMBER_ACTION");
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var buttons = [
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{
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label: this._getLocalizedString("neverButton"),
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callback: function() {
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promptHistogram.add(PROMPT_NEVER);
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pwmgr.setLoginSavingEnabled(aLogin.hostname, false);
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}
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},
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{
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label: this._getLocalizedString("rememberButton"),
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callback: function(checked, response) {
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if (response) {
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aLogin.username = response["username"] || aLogin.username;
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aLogin.password = response["password"] || aLogin.password;
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}
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pwmgr.addLogin(aLogin);
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promptHistogram.add(PROMPT_ADD);
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},
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positive: true
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}
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];
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this._showLoginNotification(notificationText, buttons, aLogin.username, aLogin.password);
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},
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/*
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* promptToChangePassword
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*
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* Called when we think we detect a password change for an existing
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* login, when the form being submitted contains multiple password
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* fields.
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*
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*/
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promptToChangePassword : function (aOldLogin, aNewLogin) {
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this._showChangeLoginNotification(aOldLogin, aNewLogin.password);
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Services.telemetry.getHistogramById("PWMGR_PROMPT_UPDATE_ACTION").add(PROMPT_DISPLAYED);
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let oldGUID = aOldLogin.QueryInterface(Ci.nsILoginMetaInfo).guid;
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Services.obs.notifyObservers(aNewLogin, "passwordmgr-prompt-change", oldGUID);
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},
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/*
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* _showChangeLoginNotification
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*
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* Shows the Change Password notification doorhanger.
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*
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*/
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_showChangeLoginNotification : function (aOldLogin, aNewPassword) {
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var notificationText;
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if (aOldLogin.username) {
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let displayUser = this._sanitizeUsername(aOldLogin.username);
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notificationText = this._getLocalizedString("updatePassword", [displayUser]);
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} else {
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notificationText = this._getLocalizedString("updatePasswordNoUser");
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}
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// The callbacks in |buttons| have a closure to access the variables
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// in scope here; set one to |this._pwmgr| so we can get back to pwmgr
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// without a getService() call.
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var self = this;
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let promptHistogram = Services.telemetry.getHistogramById("PWMGR_PROMPT_UPDATE_ACTION");
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var buttons = [
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{
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label: this._getLocalizedString("dontUpdateButton"),
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callback: function() {
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promptHistogram.add(PROMPT_NOTNOW);
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// do nothing
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}
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},
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{
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label: this._getLocalizedString("updateButton"),
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callback: function(checked, response) {
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let password = response ? response["password"] : aNewPassword;
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self._updateLogin(aOldLogin, password);
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promptHistogram.add(PROMPT_UPDATE);
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},
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positive: true
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}
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];
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this._showLoginNotification(notificationText, buttons, aOldLogin.username, aNewPassword);
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},
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/*
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* promptToChangePasswordWithUsernames
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*
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* Called when we detect a password change in a form submission, but we
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* don't know which existing login (username) it's for. Asks the user
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* to select a username and confirm the password change.
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*
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* Note: The caller doesn't know the username for aNewLogin, so this
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* function fills in .username and .usernameField with the values
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* from the login selected by the user.
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*
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* Note; XPCOM stupidity: |count| is just |logins.length|.
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*/
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promptToChangePasswordWithUsernames : function (logins, count, aNewLogin) {
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const buttonFlags = Ci.nsIPrompt.STD_YES_NO_BUTTONS;
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var usernames = logins.map(l => l.username);
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var dialogText = this._getLocalizedString("userSelectText");
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var dialogTitle = this._getLocalizedString("passwordChangeTitle");
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var selectedIndex = { value: null };
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// If user selects ok, outparam.value is set to the index
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// of the selected username.
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var ok = this._promptService.select(null,
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dialogTitle, dialogText,
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usernames.length, usernames,
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selectedIndex);
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if (ok) {
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// Now that we know which login to use, modify its password.
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let selectedLogin = logins[selectedIndex.value];
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this.log("Updating password for user " + selectedLogin.username);
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this._updateLogin(selectedLogin, aNewLogin.password);
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}
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},
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/* ---------- Internal Methods ---------- */
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/*
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* _updateLogin
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*/
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_updateLogin : function (login, newPassword) {
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var now = Date.now();
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var propBag = Cc["@mozilla.org/hash-property-bag;1"].
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createInstance(Ci.nsIWritablePropertyBag);
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if (newPassword) {
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propBag.setProperty("password", newPassword);
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// Explicitly set the password change time here (even though it would
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// be changed automatically), to ensure that it's exactly the same
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// value as timeLastUsed.
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propBag.setProperty("timePasswordChanged", now);
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}
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propBag.setProperty("timeLastUsed", now);
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propBag.setProperty("timesUsedIncrement", 1);
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this._pwmgr.modifyLogin(login, propBag);
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},
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/*
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* _getChromeWindow
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*
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* Given a content DOM window, returns the chrome window it's in.
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*/
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_getChromeWindow: function (aWindow) {
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if (aWindow instanceof Ci.nsIDOMChromeWindow)
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return aWindow;
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var chromeWin = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIWebNavigation)
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.QueryInterface(Ci.nsIDocShell)
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.chromeEventHandler.ownerDocument.defaultView;
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return chromeWin;
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},
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/*
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* _getNativeWindow
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*
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* Returns the NativeWindow to this prompter, or null if there isn't
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* a NativeWindow available (w/ error sent to logcat).
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*/
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_getNativeWindow : function () {
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let nativeWindow = null;
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try {
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let chromeWin = this._chromeWindow;
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if (chromeWin.NativeWindow) {
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nativeWindow = chromeWin.NativeWindow;
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} else {
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Cu.reportError("NativeWindow not available on window");
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}
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} catch (e) {
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// If any errors happen, just assume no native window helper.
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Cu.reportError("No NativeWindow available: " + e);
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}
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return nativeWindow;
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},
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/*
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* _getLocalizedString
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*
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* Can be called as:
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* _getLocalizedString("key1");
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* _getLocalizedString("key2", ["arg1"]);
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* _getLocalizedString("key3", ["arg1", "arg2"]);
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* (etc)
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*
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* Returns the localized string for the specified key,
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* formatted if required.
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*
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*/
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_getLocalizedString : function (key, formatArgs) {
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if (formatArgs)
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return this._strBundle.pwmgr.formatStringFromName(
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key, formatArgs, formatArgs.length);
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else
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return this._strBundle.pwmgr.GetStringFromName(key);
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},
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/*
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* _sanitizeUsername
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*
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* Sanitizes the specified username, by stripping quotes and truncating if
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* it's too long. This helps prevent an evil site from messing with the
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* "save password?" prompt too much.
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*/
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_sanitizeUsername : function (username) {
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if (username.length > 30) {
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username = username.substring(0, 30);
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username += this._ellipsis;
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}
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return username.replace(/['"]/g, "");
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},
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}; // end of LoginManagerPrompter implementation
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var component = [LoginManagerPrompter];
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory(component);
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