зеркало из https://github.com/mozilla/gecko-dev.git
655 строки
24 KiB
JavaScript
655 строки
24 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */
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/* 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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/**
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* Contains functions shared by different Login Manager components.
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*
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* This JavaScript module exists in order to share code between the different
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* XPCOM components that constitute the Login Manager, including implementations
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* of nsILoginManager and nsILoginManagerStorage.
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*/
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"use strict";
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this.EXPORTED_SYMBOLS = [
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"LoginHelper",
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];
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////////////////////////////////////////////////////////////////////////////////
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//// Globals
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const { classes: Cc, interfaces: Ci, utils: Cu, results: Cr } = Components;
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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////////////////////////////////////////////////////////////////////////////////
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//// LoginHelper
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/**
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* Contains functions shared by different Login Manager components.
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*/
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this.LoginHelper = {
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/**
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* Warning: these only update if a logger was created.
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*/
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debug: Services.prefs.getBoolPref("signon.debug"),
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schemeUpgrades: Services.prefs.getBoolPref("signon.schemeUpgrades"),
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createLogger(aLogPrefix) {
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let getMaxLogLevel = () => {
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return this.debug ? "debug" : "warn";
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};
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// Create a new instance of the ConsoleAPI so we can control the maxLogLevel with a pref.
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let ConsoleAPI = Cu.import("resource://gre/modules/Console.jsm", {}).ConsoleAPI;
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let consoleOptions = {
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maxLogLevel: getMaxLogLevel(),
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prefix: aLogPrefix,
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};
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let logger = new ConsoleAPI(consoleOptions);
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// Watch for pref changes and update this.debug and the maxLogLevel for created loggers
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Services.prefs.addObserver("signon.", () => {
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this.debug = Services.prefs.getBoolPref("signon.debug");
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this.schemeUpgrades = Services.prefs.getBoolPref("signon.schemeUpgrades");
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logger.maxLogLevel = getMaxLogLevel();
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}, false);
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return logger;
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},
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/**
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* Due to the way the signons2.txt file is formatted, we need to make
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* sure certain field values or characters do not cause the file to
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* be parsed incorrectly. Reject hostnames that we can't store correctly.
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*
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* @throws String with English message in case validation failed.
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*/
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checkHostnameValue: function (aHostname)
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{
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// Nulls are invalid, as they don't round-trip well. Newlines are also
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// invalid for any field stored as plaintext, and a hostname made of a
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// single dot cannot be stored in the legacy format.
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if (aHostname == "." ||
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aHostname.indexOf("\r") != -1 ||
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aHostname.indexOf("\n") != -1 ||
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aHostname.indexOf("\0") != -1) {
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throw new Error("Invalid hostname");
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}
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},
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/**
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* Due to the way the signons2.txt file is formatted, we need to make
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* sure certain field values or characters do not cause the file to
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* be parsed incorrectly. Reject logins that we can't store correctly.
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*
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* @throws String with English message in case validation failed.
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*/
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checkLoginValues: function (aLogin)
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{
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function badCharacterPresent(l, c)
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{
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return ((l.formSubmitURL && l.formSubmitURL.indexOf(c) != -1) ||
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(l.httpRealm && l.httpRealm.indexOf(c) != -1) ||
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l.hostname.indexOf(c) != -1 ||
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l.usernameField.indexOf(c) != -1 ||
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l.passwordField.indexOf(c) != -1);
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}
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// Nulls are invalid, as they don't round-trip well.
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// Mostly not a formatting problem, although ".\0" can be quirky.
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if (badCharacterPresent(aLogin, "\0")) {
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throw new Error("login values can't contain nulls");
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}
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// In theory these nulls should just be rolled up into the encrypted
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// values, but nsISecretDecoderRing doesn't use nsStrings, so the
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// nulls cause truncation. Check for them here just to avoid
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// unexpected round-trip surprises.
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if (aLogin.username.indexOf("\0") != -1 ||
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aLogin.password.indexOf("\0") != -1) {
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throw new Error("login values can't contain nulls");
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}
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// Newlines are invalid for any field stored as plaintext.
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if (badCharacterPresent(aLogin, "\r") ||
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badCharacterPresent(aLogin, "\n")) {
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throw new Error("login values can't contain newlines");
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}
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// A line with just a "." can have special meaning.
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if (aLogin.usernameField == "." ||
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aLogin.formSubmitURL == ".") {
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throw new Error("login values can't be periods");
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}
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// A hostname with "\ \(" won't roundtrip.
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// eg host="foo (", realm="bar" --> "foo ( (bar)"
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// vs host="foo", realm=" (bar" --> "foo ( (bar)"
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if (aLogin.hostname.indexOf(" (") != -1) {
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throw new Error("bad parens in hostname");
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}
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},
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/**
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* Returns a new XPCOM property bag with the provided properties.
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*
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* @param {Object} aProperties
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* Each property of this object is copied to the property bag. This
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* parameter can be omitted to return an empty property bag.
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*
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* @return A new property bag, that is an instance of nsIWritablePropertyBag,
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* nsIWritablePropertyBag2, nsIPropertyBag, and nsIPropertyBag2.
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*/
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newPropertyBag(aProperties) {
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let propertyBag = Cc["@mozilla.org/hash-property-bag;1"]
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.createInstance(Ci.nsIWritablePropertyBag);
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if (aProperties) {
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for (let [name, value] of Iterator(aProperties)) {
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propertyBag.setProperty(name, value);
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}
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}
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return propertyBag.QueryInterface(Ci.nsIPropertyBag)
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.QueryInterface(Ci.nsIPropertyBag2)
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.QueryInterface(Ci.nsIWritablePropertyBag2);
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},
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/**
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* Helper to avoid the `count` argument and property bags when calling
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* Services.logins.searchLogins from JS.
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*
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* @param {Object} aSearchOptions - A regular JS object to copy to a property bag before searching
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* @return {nsILoginInfo[]} - The result of calling searchLogins.
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*/
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searchLoginsWithObject(aSearchOptions) {
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return Services.logins.searchLogins({}, this.newPropertyBag(aSearchOptions));
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},
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/**
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* @param {String} aLoginOrigin - An origin value from a stored login's
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* hostname or formSubmitURL properties.
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* @param {String} aSearchOrigin - The origin that was are looking to match
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* with aLoginOrigin. This would normally come
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* from a form or page that we are considering.
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* @param {nsILoginFindOptions} aOptions - Options to affect whether the origin
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* from the login (aLoginOrigin) is a
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* match for the origin we're looking
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* for (aSearchOrigin).
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*/
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isOriginMatching(aLoginOrigin, aSearchOrigin, aOptions = {
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schemeUpgrades: false,
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}) {
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if (aLoginOrigin == aSearchOrigin) {
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return true;
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}
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if (!aOptions) {
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return false;
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}
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if (aOptions.schemeUpgrades) {
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try {
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let loginURI = Services.io.newURI(aLoginOrigin, null, null);
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let searchURI = Services.io.newURI(aSearchOrigin, null, null);
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if (loginURI.scheme == "http" && searchURI.scheme == "https" &&
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loginURI.hostPort == searchURI.hostPort) {
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return true;
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}
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} catch (ex) {
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// newURI will throw for some values e.g. chrome://FirefoxAccounts
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return false;
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}
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}
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return false;
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},
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/**
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* Creates a new login object that results by modifying the given object with
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* the provided data.
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*
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* @param aOldStoredLogin
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* Existing nsILoginInfo object to modify.
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* @param aNewLoginData
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* The new login values, either as nsILoginInfo or nsIProperyBag.
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*
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* @return The newly created nsILoginInfo object.
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*
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* @throws String with English message in case validation failed.
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*/
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buildModifiedLogin: function (aOldStoredLogin, aNewLoginData)
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{
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function bagHasProperty(aPropName)
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{
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try {
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aNewLoginData.getProperty(aPropName);
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return true;
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} catch (ex) { }
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return false;
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}
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aOldStoredLogin.QueryInterface(Ci.nsILoginMetaInfo);
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let newLogin;
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if (aNewLoginData instanceof Ci.nsILoginInfo) {
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// Clone the existing login to get its nsILoginMetaInfo, then init it
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// with the replacement nsILoginInfo data from the new login.
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newLogin = aOldStoredLogin.clone();
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newLogin.init(aNewLoginData.hostname,
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aNewLoginData.formSubmitURL, aNewLoginData.httpRealm,
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aNewLoginData.username, aNewLoginData.password,
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aNewLoginData.usernameField, aNewLoginData.passwordField);
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newLogin.QueryInterface(Ci.nsILoginMetaInfo);
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// Automatically update metainfo when password is changed.
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if (newLogin.password != aOldStoredLogin.password) {
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newLogin.timePasswordChanged = Date.now();
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}
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} else if (aNewLoginData instanceof Ci.nsIPropertyBag) {
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// Clone the existing login, along with all its properties.
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newLogin = aOldStoredLogin.clone();
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newLogin.QueryInterface(Ci.nsILoginMetaInfo);
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// Automatically update metainfo when password is changed.
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// (Done before the main property updates, lest the caller be
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// explicitly updating both .password and .timePasswordChanged)
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if (bagHasProperty("password")) {
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let newPassword = aNewLoginData.getProperty("password");
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if (newPassword != aOldStoredLogin.password) {
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newLogin.timePasswordChanged = Date.now();
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}
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}
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let propEnum = aNewLoginData.enumerator;
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while (propEnum.hasMoreElements()) {
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let prop = propEnum.getNext().QueryInterface(Ci.nsIProperty);
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switch (prop.name) {
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// nsILoginInfo
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case "hostname":
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case "httpRealm":
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case "formSubmitURL":
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case "username":
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case "password":
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case "usernameField":
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case "passwordField":
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// nsILoginMetaInfo
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case "guid":
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case "timeCreated":
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case "timeLastUsed":
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case "timePasswordChanged":
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case "timesUsed":
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newLogin[prop.name] = prop.value;
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break;
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// Fake property, allows easy incrementing.
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case "timesUsedIncrement":
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newLogin.timesUsed += prop.value;
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break;
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// Fail if caller requests setting an unknown property.
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default:
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throw new Error("Unexpected propertybag item: " + prop.name);
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}
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}
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} else {
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throw new Error("newLoginData needs an expected interface!");
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}
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// Sanity check the login
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if (newLogin.hostname == null || newLogin.hostname.length == 0) {
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throw new Error("Can't add a login with a null or empty hostname.");
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}
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// For logins w/o a username, set to "", not null.
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if (newLogin.username == null) {
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throw new Error("Can't add a login with a null username.");
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}
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if (newLogin.password == null || newLogin.password.length == 0) {
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throw new Error("Can't add a login with a null or empty password.");
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}
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if (newLogin.formSubmitURL || newLogin.formSubmitURL == "") {
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// We have a form submit URL. Can't have a HTTP realm.
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if (newLogin.httpRealm != null) {
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throw new Error("Can't add a login with both a httpRealm and formSubmitURL.");
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}
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} else if (newLogin.httpRealm) {
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// We have a HTTP realm. Can't have a form submit URL.
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if (newLogin.formSubmitURL != null) {
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throw new Error("Can't add a login with both a httpRealm and formSubmitURL.");
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}
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} else {
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// Need one or the other!
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throw new Error("Can't add a login without a httpRealm or formSubmitURL.");
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}
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// Throws if there are bogus values.
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this.checkLoginValues(newLogin);
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return newLogin;
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},
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/**
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* Removes duplicates from a list of logins while preserving the sort order.
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*
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* @param {nsILoginInfo[]} logins
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* A list of logins we want to deduplicate.
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* @param {string[]} [uniqueKeys = ["username", "password"]]
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* A list of login attributes to use as unique keys for the deduplication.
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* @param {string[]} [resolveBy = ["timeLastUsed"]]
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* Ordered array of keyword strings used to decide which of the
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* duplicates should be used. "scheme" would prefer the login that has
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* a scheme matching `preferredOrigin`'s if there are two logins with
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* the same `uniqueKeys`. The default preference to distinguish two
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* logins is `timeLastUsed`. If there is no preference between two
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* logins, the first one found wins.
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* @param {string} [preferredOrigin = undefined]
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* String representing the origin to use for preferring one login over
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* another when they are dupes. This is used with "scheme" for
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* `resolveBy` so the scheme from this origin will be preferred.
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*
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* @returns {nsILoginInfo[]} list of unique logins.
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*/
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dedupeLogins(logins, uniqueKeys = ["username", "password"],
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resolveBy = ["timeLastUsed"],
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preferredOrigin = undefined) {
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const KEY_DELIMITER = ":";
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if (!preferredOrigin && resolveBy.includes("scheme")) {
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throw new Error("dedupeLogins: `preferredOrigin` is required in order to "+
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"prefer schemes which match it.");
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}
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let preferredOriginScheme;
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if (preferredOrigin) {
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try {
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preferredOriginScheme = Services.io.newURI(preferredOrigin, null, null).scheme;
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} catch (ex) {
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// Handle strings that aren't valid URIs e.g. chrome://FirefoxAccounts
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}
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}
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if (!preferredOriginScheme && resolveBy.includes("scheme")) {
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log.warn("dedupeLogins: Deduping with a scheme preference but couldn't " +
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"get the preferred origin scheme.");
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}
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// We use a Map to easily lookup logins by their unique keys.
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let loginsByKeys = new Map();
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// Generate a unique key string from a login.
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function getKey(login, uniqueKeys) {
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return uniqueKeys.reduce((prev, key) => prev + KEY_DELIMITER + login[key], "");
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}
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/**
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* @return {bool} whether `login` is preferred over its duplicate (considering `uniqueKeys`)
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* `existingLogin`.
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*
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* `resolveBy` is a sorted array so we can return true the first time `login` is preferred
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* over the existingLogin.
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*/
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function isLoginPreferred(existingLogin, login) {
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if (!resolveBy || resolveBy.length == 0) {
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// If there is no preference, prefer the existing login.
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return false;
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}
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for (let preference of resolveBy) {
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switch (preference) {
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case "scheme": {
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if (!preferredOriginScheme) {
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break;
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}
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try {
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// Only `hostname` is currently considered
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let existingLoginURI = Services.io.newURI(existingLogin.hostname, null, null);
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let loginURI = Services.io.newURI(login.hostname, null, null);
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// If the schemes of the two logins are the same or neither match the
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// preferredOriginScheme then we have no preference and look at the next resolveBy.
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if (loginURI.scheme == existingLoginURI.scheme ||
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(loginURI.scheme != preferredOriginScheme &&
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existingLoginURI.scheme != preferredOriginScheme)) {
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break;
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}
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return loginURI.scheme == preferredOriginScheme;
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} catch (ex) {
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// Some URLs aren't valid nsIURI (e.g. chrome://FirefoxAccounts)
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log.debug("dedupeLogins/shouldReplaceExisting: Error comparing schemes:",
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existingLogin.hostname, login.hostname,
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"preferredOrigin:", preferredOrigin, ex);
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}
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break;
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}
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case "timeLastUsed":
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case "timePasswordChanged": {
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// If we find a more recent login for the same key, replace the existing one.
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let loginDate = login.QueryInterface(Ci.nsILoginMetaInfo)[preference];
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let storedLoginDate = existingLogin.QueryInterface(Ci.nsILoginMetaInfo)[preference];
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if (loginDate == storedLoginDate) {
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break;
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}
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return loginDate > storedLoginDate;
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}
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default: {
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throw new Error("dedupeLogins: Invalid resolveBy preference: " + preference);
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}
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}
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}
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return false;
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}
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for (let login of logins) {
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let key = getKey(login, uniqueKeys);
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if (loginsByKeys.has(key)) {
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if (!isLoginPreferred(loginsByKeys.get(key), login)) {
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// If there is no preference for the new login, use the existing one.
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continue;
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}
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}
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loginsByKeys.set(key, login);
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}
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// Return the map values in the form of an array.
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return [...loginsByKeys.values()];
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},
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/**
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* Open the password manager window.
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*
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* @param {Window} window
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* the window from where we want to open the dialog
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*
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* @param {string} [filterString=""]
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* the filterString parameter to pass to the login manager dialog
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*/
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openPasswordManager(window, filterString = "") {
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let win = Services.wm.getMostRecentWindow("Toolkit:PasswordManager");
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if (win) {
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win.setFilter(filterString);
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win.focus();
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} else {
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window.openDialog("chrome://passwordmgr/content/passwordManager.xul",
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"Toolkit:PasswordManager", "",
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{filterString : filterString});
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}
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},
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/**
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* Checks if a field type is username compatible.
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*
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* @param {Element} element
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* the field we want to check.
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*
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* @returns {Boolean} true if the field type is one
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* of the username types.
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*/
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isUsernameFieldType(element) {
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if (!(element instanceof Ci.nsIDOMHTMLInputElement))
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return false;
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let fieldType = (element.hasAttribute("type") ?
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element.getAttribute("type").toLowerCase() :
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element.type);
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if (fieldType == "text" ||
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fieldType == "email" ||
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fieldType == "url" ||
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fieldType == "tel" ||
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fieldType == "number") {
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return true;
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}
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return false;
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},
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/**
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* Add the login to the password manager if a similar one doesn't already exist. Merge it
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* otherwise with the similar existing ones.
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* @param {Object} loginData - the data about the login that needs to be added.
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*/
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maybeImportLogin(loginData) {
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// create a new login
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let login = Cc["@mozilla.org/login-manager/loginInfo;1"].createInstance(Ci.nsILoginInfo);
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login.init(loginData.hostname,
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loginData.submitURL || (typeof(loginData.httpRealm) == "string" ? null : ""),
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typeof(loginData.httpRealm) == "string" ? loginData.httpRealm : null,
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loginData.username,
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loginData.password,
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loginData.usernameElement || "",
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loginData.passwordElement || "");
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login.QueryInterface(Ci.nsILoginMetaInfo);
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login.timeCreated = loginData.timeCreated;
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login.timeLastUsed = loginData.timeLastUsed || loginData.timeCreated;
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login.timePasswordChanged = loginData.timePasswordChanged || loginData.timeCreated;
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login.timesUsed = loginData.timesUsed || 1;
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// While here we're passing formSubmitURL and httpRealm, they could be empty/null and get
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// ignored in that case, leading to multiple logins for the same username.
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let existingLogins = Services.logins.findLogins({}, login.hostname,
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login.formSubmitURL,
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login.httpRealm);
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// Add the login only if it doesn't already exist
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// if the login is not already available, it's going to be added or merged with other
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// logins
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if (existingLogins.some(l => login.matches(l, true))) {
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return;
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}
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// the login is just an update for an old one or the login is older than an existing one
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let foundMatchingLogin = false;
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for (let existingLogin of existingLogins) {
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if (login.username == existingLogin.username) {
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// Bug 1187190: Password changes should be propagated depending on timestamps.
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// this an old login or a just an update, so make sure not to add it
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foundMatchingLogin = true;
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if(login.password != existingLogin.password &
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login.timePasswordChanged > existingLogin.timePasswordChanged) {
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// if a login with the same username and different password already exists and it's older
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// than the current one, that login needs to be updated using the current one details
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|
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// the existing login password and timestamps should be updated
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let propBag = Cc["@mozilla.org/hash-property-bag;1"].
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createInstance(Ci.nsIWritablePropertyBag);
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propBag.setProperty("password", login.password);
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propBag.setProperty("timePasswordChanged", login.timePasswordChanged);
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Services.logins.modifyLogin(existingLogin, propBag);
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}
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}
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}
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// if the new login is an update or is older than an exiting login, don't add it.
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if (foundMatchingLogin) {
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return;
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}
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Services.logins.addLogin(login);
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},
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|
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/**
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* Convert an array of nsILoginInfo to vanilla JS objects suitable for
|
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* sending over IPC.
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*
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* NB: All members of nsILoginInfo and nsILoginMetaInfo are strings.
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*/
|
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loginsToVanillaObjects(logins) {
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return logins.map(this.loginToVanillaObject);
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},
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|
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/**
|
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* Same as above, but for a single login.
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*/
|
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loginToVanillaObject(login) {
|
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let obj = {};
|
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for (let i in login.QueryInterface(Ci.nsILoginMetaInfo)) {
|
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if (typeof login[i] !== 'function') {
|
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obj[i] = login[i];
|
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}
|
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}
|
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|
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return obj;
|
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},
|
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|
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/**
|
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* Convert an object received from IPC into an nsILoginInfo (with guid).
|
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*/
|
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vanillaObjectToLogin(login) {
|
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let formLogin = Cc["@mozilla.org/login-manager/loginInfo;1"].
|
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createInstance(Ci.nsILoginInfo);
|
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formLogin.init(login.hostname, login.formSubmitURL,
|
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login.httpRealm, login.username,
|
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login.password, login.usernameField,
|
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login.passwordField);
|
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|
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formLogin.QueryInterface(Ci.nsILoginMetaInfo);
|
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for (let prop of ["guid", "timeCreated", "timeLastUsed", "timePasswordChanged", "timesUsed"]) {
|
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formLogin[prop] = login[prop];
|
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}
|
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return formLogin;
|
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},
|
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|
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/**
|
|
* As above, but for an array of objects.
|
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*/
|
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vanillaObjectsToLogins(logins) {
|
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return logins.map(this.vanillaObjectToLogin);
|
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},
|
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|
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removeLegacySignonFiles() {
|
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const {Constants, Path, File} = Cu.import("resource://gre/modules/osfile.jsm").OS;
|
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|
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const profileDir = Constants.Path.profileDir;
|
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const defaultSignonFilePrefs = new Map([
|
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["signon.SignonFileName", "signons.txt"],
|
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["signon.SignonFileName2", "signons2.txt"],
|
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["signon.SignonFileName3", "signons3.txt"]
|
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]);
|
|
const toDeletes = new Set();
|
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|
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for (let [pref, val] of defaultSignonFilePrefs.entries()) {
|
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toDeletes.add(Path.join(profileDir, val));
|
|
|
|
try {
|
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let signonFile = Services.prefs.getCharPref(pref);
|
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|
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toDeletes.add(Path.join(profileDir, signonFile));
|
|
Services.prefs.clearUserPref(pref);
|
|
} catch (e) {}
|
|
}
|
|
|
|
for (let file of toDeletes) {
|
|
File.remove(file);
|
|
}
|
|
}
|
|
};
|
|
|
|
XPCOMUtils.defineLazyGetter(this, "log", () => {
|
|
let logger = LoginHelper.createLogger("LoginHelper");
|
|
return logger;
|
|
});
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