1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/toolkit/identity/IdentityUtils.jsm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +/* -*- Mode: js2; js2-basic-offset: 2; indent-tabs-mode: nil; -*- */
1.5 +/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.8 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +// functions common to Identity.jsm and MinimalIdentity.jsm
1.11 +
1.12 +"use strict";
1.13 +
1.14 +this.EXPORTED_SYMBOLS = [
1.15 + "checkDeprecated",
1.16 + "checkRenamed",
1.17 + "getRandomId",
1.18 + "objectCopy",
1.19 + "makeMessageObject",
1.20 +];
1.21 +
1.22 +const Cu = Components.utils;
1.23 +
1.24 +Cu.import("resource://gre/modules/XPCOMUtils.jsm");
1.25 +
1.26 +XPCOMUtils.defineLazyServiceGetter(this, "uuidgen",
1.27 + "@mozilla.org/uuid-generator;1",
1.28 + "nsIUUIDGenerator");
1.29 +
1.30 +XPCOMUtils.defineLazyModuleGetter(this, "Logger",
1.31 + "resource://gre/modules/identity/LogUtils.jsm");
1.32 +
1.33 +function log(...aMessageArgs) {
1.34 + Logger.log.apply(Logger, ["Identity"].concat(aMessageArgs));
1.35 +}
1.36 +
1.37 +function defined(item) {
1.38 + return typeof item !== 'undefined';
1.39 +}
1.40 +
1.41 +var checkDeprecated = this.checkDeprecated = function checkDeprecated(aOptions, aField) {
1.42 + if (defined(aOptions[aField])) {
1.43 + log("WARNING: field is deprecated:", aField);
1.44 + return true;
1.45 + }
1.46 + return false;
1.47 +};
1.48 +
1.49 +this.checkRenamed = function checkRenamed(aOptions, aOldName, aNewName) {
1.50 + if (defined(aOptions[aOldName]) &&
1.51 + defined(aOptions[aNewName])) {
1.52 + let err = "You cannot provide both " + aOldName + " and " + aNewName;
1.53 + Logger.reportError(err);
1.54 + throw new Error(err);
1.55 + }
1.56 +
1.57 + if (checkDeprecated(aOptions, aOldName)) {
1.58 + aOptions[aNewName] = aOptions[aOldName];
1.59 + delete(aOptions[aOldName]);
1.60 + }
1.61 +};
1.62 +
1.63 +this.getRandomId = function getRandomId() {
1.64 + return uuidgen.generateUUID().toString();
1.65 +};
1.66 +
1.67 +/*
1.68 + * copy source object into target, excluding private properties
1.69 + * (those whose names begin with an underscore)
1.70 + */
1.71 +this.objectCopy = function objectCopy(source, target){
1.72 + let desc;
1.73 + Object.getOwnPropertyNames(source).forEach(function(name) {
1.74 + if (name[0] !== '_') {
1.75 + desc = Object.getOwnPropertyDescriptor(source, name);
1.76 + Object.defineProperty(target, name, desc);
1.77 + }
1.78 + });
1.79 +};
1.80 +
1.81 +this.makeMessageObject = function makeMessageObject(aRpCaller) {
1.82 + let options = {};
1.83 +
1.84 + options.id = aRpCaller.id;
1.85 + options.origin = aRpCaller.origin;
1.86 +
1.87 + // Backwards compatibility with Persona beta:
1.88 + // loggedInUser can be undefined, null, or a string
1.89 + options.loggedInUser = aRpCaller.loggedInUser;
1.90 +
1.91 + // Special flag for internal calls for Persona in b2g
1.92 + options._internal = aRpCaller._internal;
1.93 +
1.94 + Object.keys(aRpCaller).forEach(function(option) {
1.95 + // Duplicate the callerobject, scrubbing out functions and other
1.96 + // internal variables (like _mm, the message manager object)
1.97 + if (!Object.hasOwnProperty(this, option)
1.98 + && option[0] !== '_'
1.99 + && typeof aRpCaller[option] !== 'function') {
1.100 + options[option] = aRpCaller[option];
1.101 + }
1.102 + });
1.103 +
1.104 + // check validity of message structure
1.105 + if ((typeof options.id === 'undefined') ||
1.106 + (typeof options.origin === 'undefined')) {
1.107 + let err = "id and origin required in relying-party message: " + JSON.stringify(options);
1.108 + reportError(err);
1.109 + throw new Error(err);
1.110 + }
1.111 +
1.112 + return options;
1.113 +}
1.114 +
