1382 lines
46 KiB
JavaScript
1382 lines
46 KiB
JavaScript
// Copyright IBM Corp. 2014,2016. All Rights Reserved.
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// Node module: loopback
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// This file is licensed under the MIT License.
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// License text available at https://opensource.org/licenses/MIT
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/*!
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* Module Dependencies.
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*/
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'use strict';
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var g = require('../../lib/globalize');
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var isEmail = require('isemail');
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var loopback = require('../../lib/loopback');
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var utils = require('../../lib/utils');
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var path = require('path');
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var qs = require('querystring');
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var SALT_WORK_FACTOR = 10;
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var crypto = require('crypto');
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// bcrypt's max length is 72 bytes;
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// See https://github.com/kelektiv/node.bcrypt.js/blob/45f498ef6dc6e8234e58e07834ce06a50ff16352/src/node_blf.h#L59
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var MAX_PASSWORD_LENGTH = 72;
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var bcrypt;
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try {
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// Try the native module first
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bcrypt = require('bcrypt');
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// Browserify returns an empty object
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if (bcrypt && typeof bcrypt.compare !== 'function') {
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bcrypt = require('bcryptjs');
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}
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} catch (err) {
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// Fall back to pure JS impl
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bcrypt = require('bcryptjs');
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}
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var DEFAULT_TTL = 1209600; // 2 weeks in seconds
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var DEFAULT_RESET_PW_TTL = 15 * 60; // 15 mins in seconds
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var DEFAULT_MAX_TTL = 31556926; // 1 year in seconds
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var assert = require('assert');
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var debug = require('debug')('loopback:user');
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/**
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* Built-in User model.
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* Extends LoopBack [PersistedModel](#persistedmodel-new-persistedmodel).
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*
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* Default `User` ACLs.
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*
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* - DENY EVERYONE `*`
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* - ALLOW EVERYONE `create`
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* - ALLOW OWNER `deleteById`
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* - ALLOW EVERYONE `login`
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* - ALLOW EVERYONE `logout`
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* - ALLOW OWNER `findById`
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* - ALLOW OWNER `updateAttributes`
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*
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* @property {String} username Must be unique.
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* @property {String} password Hidden from remote clients.
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* @property {String} email Must be valid email.
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* @property {Boolean} emailVerified Set when a user's email has been verified via `confirm()`.
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* @property {String} verificationToken Set when `verify()` is called.
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* @property {String} realm The namespace the user belongs to. See [Partitioning users with realms](http://loopback.io/doc/en/lb2/Partitioning-users-with-realms.html) for details.
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* @property {Object} settings Extends the `Model.settings` object.
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* @property {Boolean} settings.emailVerificationRequired Require the email verification
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* process before allowing a login.
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* @property {Number} settings.ttl Default time to live (in seconds) for the `AccessToken` created by `User.login() / user.createAccessToken()`.
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* Default is `1209600` (2 weeks)
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* @property {Number} settings.maxTTL The max value a user can request a token to be alive / valid for.
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* Default is `31556926` (1 year)
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* @property {Boolean} settings.realmRequired Require a realm when logging in a user.
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* @property {String} settings.realmDelimiter When set a realm is required.
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* @property {Number} settings.resetPasswordTokenTTL Time to live for password reset `AccessToken`. Default is `900` (15 minutes).
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* @property {Number} settings.saltWorkFactor The `bcrypt` salt work factor. Default is `10`.
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* @property {Boolean} settings.caseSensitiveEmail Enable case sensitive email.
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*
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* @class User
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* @inherits {PersistedModel}
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*/
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module.exports = function(User) {
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/**
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* Create access token for the logged in user. This method can be overridden to
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* customize how access tokens are generated
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*
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* Supported flavours:
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*
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* ```js
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* createAccessToken(ttl, cb)
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* createAccessToken(ttl, options, cb);
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* createAccessToken(options, cb);
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* // recent addition:
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* createAccessToken(data, options, cb);
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* ```
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*
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* @options {Number|Object} [ttl|data] Either the requested ttl,
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* or an object with token properties to set (see below).
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* @property {Number} [ttl] The requested ttl
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* @property {String[]} [scopes] The access scopes granted to the token.
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* @param {Object} [options] Additional options including remoting context
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* @callback {Function} cb The callback function
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* @param {String|Error} err The error string or object
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* @param {AccessToken} token The generated access token object
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* @promise
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*
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*/
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User.prototype.createAccessToken = function(ttl, options, cb) {
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if (cb === undefined && typeof options === 'function') {
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// createAccessToken(ttl, cb)
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cb = options;
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options = undefined;
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}
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cb = cb || utils.createPromiseCallback();
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let tokenData;
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if (typeof ttl !== 'object') {
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// createAccessToken(ttl[, options], cb)
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tokenData = {ttl};
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} else if (options) {
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// createAccessToken(data, options, cb)
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tokenData = ttl;
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} else {
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// createAccessToken(options, cb);
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tokenData = {};
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}
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var userSettings = this.constructor.settings;
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tokenData.ttl = Math.min(tokenData.ttl || userSettings.ttl, userSettings.maxTTL);
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this.accessTokens.create(tokenData, options, cb);
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return cb.promise;
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};
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function splitPrincipal(name, realmDelimiter) {
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var parts = [null, name];
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if (!realmDelimiter) {
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return parts;
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}
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var index = name.indexOf(realmDelimiter);
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if (index !== -1) {
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parts[0] = name.substring(0, index);
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parts[1] = name.substring(index + realmDelimiter.length);
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}
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return parts;
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}
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/**
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* Normalize the credentials
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* @param {Object} credentials The credential object
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* @param {Boolean} realmRequired
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* @param {String} realmDelimiter The realm delimiter, if not set, no realm is needed
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* @returns {Object} The normalized credential object
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*/
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User.normalizeCredentials = function(credentials, realmRequired, realmDelimiter) {
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var query = {};
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credentials = credentials || {};
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if (!realmRequired) {
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if (credentials.email) {
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query.email = credentials.email;
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} else if (credentials.username) {
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query.username = credentials.username;
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}
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} else {
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if (credentials.realm) {
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query.realm = credentials.realm;
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}
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var parts;
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if (credentials.email) {
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parts = splitPrincipal(credentials.email, realmDelimiter);
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query.email = parts[1];
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if (parts[0]) {
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query.realm = parts[0];
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}
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} else if (credentials.username) {
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parts = splitPrincipal(credentials.username, realmDelimiter);
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query.username = parts[1];
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if (parts[0]) {
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query.realm = parts[0];
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}
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}
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}
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return query;
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};
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/**
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* Login a user by with the given `credentials`.
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*
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* ```js
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* User.login({username: 'foo', password: 'bar'}, function (err, token) {
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* console.log(token.id);
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* });
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* ```
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*
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* If the `emailVerificationRequired` flag is set for the inherited user model
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* and the email has not yet been verified then the method will return a 401
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* error that will contain the user's id. This id can be used to call the
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* `api/verify` remote method to generate a new email verification token and
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* send back the related email to the user.
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*
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* @param {Object} credentials username/password or email/password
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* @param {String[]|String} [include] Optionally set it to "user" to include
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* the user info
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* @callback {Function} callback Callback function
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* @param {Error} err Error object
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* @param {AccessToken} token Access token if login is successful
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* @promise
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*/
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User.login = function(credentials, include, fn) {
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var self = this;
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if (typeof include === 'function') {
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fn = include;
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include = undefined;
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}
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fn = fn || utils.createPromiseCallback();
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include = (include || '');
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if (Array.isArray(include)) {
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include = include.map(function(val) {
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return val.toLowerCase();
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});
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} else {
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include = include.toLowerCase();
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}
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var realmDelimiter;
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// Check if realm is required
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var realmRequired = !!(self.settings.realmRequired ||
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self.settings.realmDelimiter);
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if (realmRequired) {
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realmDelimiter = self.settings.realmDelimiter;
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}
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var query = self.normalizeCredentials(credentials, realmRequired,
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realmDelimiter);
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if (realmRequired && !query.realm) {
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var err1 = new Error(g.f('{{realm}} is required'));
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err1.statusCode = 400;
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err1.code = 'REALM_REQUIRED';
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fn(err1);
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return fn.promise;
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}
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if (!query.email && !query.username) {
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var err2 = new Error(g.f('{{username}} or {{email}} is required'));
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err2.statusCode = 400;
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err2.code = 'USERNAME_EMAIL_REQUIRED';
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fn(err2);
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return fn.promise;
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}
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self.findOne({where: query}, function(err, user) {
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var defaultError = new Error(g.f('login failed'));
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defaultError.statusCode = 401;
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defaultError.code = 'LOGIN_FAILED';
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function tokenHandler(err, token) {
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if (err) return fn(err);
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if (Array.isArray(include) ? include.indexOf('user') !== -1 : include === 'user') {
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// NOTE(bajtos) We can't set token.user here:
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// 1. token.user already exists, it's a function injected by
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// "AccessToken belongsTo User" relation
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// 2. ModelBaseClass.toJSON() ignores own properties, thus
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// the value won't be included in the HTTP response
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// See also loopback#161 and loopback#162
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token.__data.user = user;
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}
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fn(err, token);
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}
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if (err) {
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debug('An error is reported from User.findOne: %j', err);
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fn(defaultError);
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} else if (user) {
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user.hasPassword(credentials.password, function(err, isMatch) {
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if (err) {
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debug('An error is reported from User.hasPassword: %j', err);
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fn(defaultError);
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} else if (isMatch) {
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if (self.settings.emailVerificationRequired && !user.emailVerified) {
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// Fail to log in if email verification is not done yet
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debug('User email has not been verified');
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err = new Error(g.f('login failed as the email has not been verified'));
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err.statusCode = 401;
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err.code = 'LOGIN_FAILED_EMAIL_NOT_VERIFIED';
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err.details = {
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userId: user.id,
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};
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fn(err);
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} else {
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if (user.createAccessToken.length === 2) {
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user.createAccessToken(credentials.ttl, tokenHandler);
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} else {
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user.createAccessToken(credentials.ttl, credentials, tokenHandler);
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}
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}
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} else {
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debug('The password is invalid for user %s', query.email || query.username);
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fn(defaultError);
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}
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});
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} else {
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debug('No matching record is found for user %s', query.email || query.username);
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fn(defaultError);
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}
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});
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return fn.promise;
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};
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/**
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* Logout a user with the given accessToken id.
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*
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* ```js
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* User.logout('asd0a9f8dsj9s0s3223mk', function (err) {
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* console.log(err || 'Logged out');
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* });
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* ```
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*
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* @param {String} accessTokenID
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* @callback {Function} callback
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* @param {Error} err
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* @promise
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*/
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User.logout = function(tokenId, fn) {
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fn = fn || utils.createPromiseCallback();
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var err;
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if (!tokenId) {
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err = new Error(g.f('{{accessToken}} is required to logout'));
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err.status = 401;
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process.nextTick(fn, err);
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return fn.promise;
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}
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this.relations.accessTokens.modelTo.destroyById(tokenId, function(err, info) {
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if (err) {
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fn(err);
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} else if ('count' in info && info.count === 0) {
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err = new Error(g.f('Could not find {{accessToken}}'));
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err.status = 401;
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fn(err);
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} else {
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fn();
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}
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});
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return fn.promise;
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};
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User.observe('before delete', function(ctx, next) {
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var AccessToken = ctx.Model.relations.accessTokens.modelTo;
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var pkName = ctx.Model.definition.idName() || 'id';
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ctx.Model.find({where: ctx.where, fields: [pkName]}, function(err, list) {
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if (err) return next(err);
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var ids = list.map(function(u) { return u[pkName]; });
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ctx.where = {};
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ctx.where[pkName] = {inq: ids};
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AccessToken.destroyAll({userId: {inq: ids}}, next);
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});
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});
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/**
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* Compare the given `password` with the users hashed password.
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*
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* @param {String} password The plain text password
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* @callback {Function} callback Callback function
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* @param {Error} err Error object
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* @param {Boolean} isMatch Returns true if the given `password` matches record
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* @promise
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*/
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User.prototype.hasPassword = function(plain, fn) {
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fn = fn || utils.createPromiseCallback();
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if (this.password && plain) {
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bcrypt.compare(plain, this.password, function(err, isMatch) {
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if (err) return fn(err);
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fn(null, isMatch);
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});
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} else {
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fn(null, false);
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}
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return fn.promise;
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};
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/**
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* Change this user's password.
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*
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* @param {*} userId Id of the user changing the password
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* @param {string} oldPassword Current password, required in order
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* to strongly verify the identity of the requesting user
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* @param {string} newPassword The new password to use.
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* @param {object} [options]
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* @callback {Function} callback
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* @param {Error} err Error object
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* @promise
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*/
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User.changePassword = function(userId, oldPassword, newPassword, options, cb) {
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if (cb === undefined && typeof options === 'function') {
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cb = options;
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options = undefined;
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}
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cb = cb || utils.createPromiseCallback();
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// Make sure to use the constructor of the (sub)class
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// where the method is invoked from (`this` instead of `User`)
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this.findById(userId, options, (err, inst) => {
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if (err) return cb(err);
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if (!inst) {
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const err = new Error(`User ${userId} not found`);
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Object.assign(err, {
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code: 'USER_NOT_FOUND',
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statusCode: 401,
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});
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return cb(err);
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}
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inst.changePassword(oldPassword, newPassword, options, cb);
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});
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return cb.promise;
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};
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/**
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* Change this user's password (prototype/instance version).
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*
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* @param {string} oldPassword Current password, required in order
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* to strongly verify the identity of the requesting user
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* @param {string} newPassword The new password to use.
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* @param {object} [options]
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* @callback {Function} callback
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* @param {Error} err Error object
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* @promise
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*/
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User.prototype.changePassword = function(oldPassword, newPassword, options, cb) {
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if (cb === undefined && typeof options === 'function') {
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cb = options;
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options = undefined;
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}
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cb = cb || utils.createPromiseCallback();
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this.hasPassword(oldPassword, (err, isMatch) => {
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if (err) return cb(err);
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if (!isMatch) {
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const err = new Error('Invalid current password');
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Object.assign(err, {
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code: 'INVALID_PASSWORD',
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statusCode: 400,
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});
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return cb(err);
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}
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this.setPassword(newPassword, options, cb);
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});
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return cb.promise;
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};
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/**
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* Set this user's password after a password-reset request was made.
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*
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* @param {*} userId Id of the user changing the password
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* @param {string} newPassword The new password to use.
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* @param {Object} [options] Additional options including remoting context
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* @callback {Function} callback
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* @param {Error} err Error object
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* @promise
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*/
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User.setPassword = function(userId, newPassword, options, cb) {
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assert(userId != null && userId !== '', 'userId is a required argument');
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assert(!!newPassword, 'newPassword is a required argument');
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if (cb === undefined && typeof options === 'function') {
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cb = options;
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options = undefined;
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}
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cb = cb || utils.createPromiseCallback();
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// Make sure to use the constructor of the (sub)class
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// where the method is invoked from (`this` instead of `User`)
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this.findById(userId, options, (err, inst) => {
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if (err) return cb(err);
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if (!inst) {
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const err = new Error(`User ${userId} not found`);
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Object.assign(err, {
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code: 'USER_NOT_FOUND',
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statusCode: 401,
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});
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return cb(err);
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}
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inst.setPassword(newPassword, options, cb);
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});
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return cb.promise;
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};
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/**
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* Set this user's password. The callers of this method
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* must ensure the client making the request is authorized
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* to change the password, typically by providing the correct
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* current password or a password-reset token.
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*
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* @param {string} newPassword The new password to use.
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* @param {Object} [options] Additional options including remoting context
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* @callback {Function} callback
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* @param {Error} err Error object
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* @promise
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*/
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User.prototype.setPassword = function(newPassword, options, cb) {
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assert(!!newPassword, 'newPassword is a required argument');
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if (cb === undefined && typeof options === 'function') {
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cb = options;
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options = undefined;
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}
|
|
cb = cb || utils.createPromiseCallback();
|
|
|
|
try {
|
|
this.constructor.validatePassword(newPassword);
|
|
} catch (err) {
|
|
cb(err);
|
|
return cb.promise;
|
|
}
|
|
|
|
// We need to modify options passed to patchAttributes, but we don't want
|
|
// to modify the original options object passed to us by setPassword caller
|
|
options = Object.assign({}, options);
|
|
|
|
// patchAttributes() does not allow callers to modify the password property
|
|
// unless "options.setPassword" is set.
|
|
options.setPassword = true;
|
|
|
|
const delta = {password: newPassword};
|
|
this.patchAttributes(delta, options, (err, updated) => cb(err));
|
|
|
|
return cb.promise;
|
|
};
|
|
|
|
/**
|
|
* Returns default verification options to use when calling User.prototype.verify()
|
|
* from remote method /user/:id/verify.
|
|
*
|
|
* NOTE: the User.getVerifyOptions() method can also be used to ease the
|
|
* building of identity verification options.
|
|
*
|
|
* ```js
|
|
* var verifyOptions = MyUser.getVerifyOptions();
|
|
* user.verify(verifyOptions);
|
|
* ```
|
|
*
|
|
* This is the full list of possible params, with example values
|
|
*
|
|
* ```js
|
|
* {
|
|
* type: 'email',
|
|
* mailer: {
|
|
* send(verifyOptions, options, cb) {
|
|
* // send the email
|
|
* cb(err, result);
|
|
* }
|
|
* },
|
|
* to: 'test@email.com',
|
|
* from: 'noreply@email.com'
|
|
* subject: 'verification email subject',
|
|
* text: 'Please verify your email by opening this link in a web browser',
|
|
* headers: {'Mime-Version': '1.0'},
|
|
* template: 'path/to/template.ejs',
|
|
* templateFn: function(verifyOptions, options, cb) {
|
|
* cb(null, 'some body template');
|
|
* }
|
|
* redirect: '/',
|
|
* verifyHref: 'http://localhost:3000/api/user/confirm',
|
|
* host: 'localhost'
|
|
* protocol: 'http'
|
|
* port: 3000,
|
|
* restApiRoot= '/api',
|
|
* generateVerificationToken: function (user, options, cb) {
|
|
* cb(null, 'random-token');
|
|
* }
|
|
* }
|
|
* ```
|
|
*
|
|
* NOTE: param `to` internally defaults to user's email but can be overriden for
|
|
* test purposes or advanced customization.
|
|
*
|
|
* Static default params can be modified in your custom user model json definition
|
|
* using `settings.verifyOptions`. Any default param can be programmatically modified
|
|
* like follows:
|
|
*
|
|
* ```js
|
|
* customUserModel.getVerifyOptions = function() {
|
|
* const base = MyUser.base.getVerifyOptions();
|
|
* return Object.assign({}, base, {
|
|
* // custom values
|
|
* });
|
|
* }
|
|
* ```
|
|
*
|
|
* Usually you should only require to modify a subset of these params
|
|
* See `User.verify()` and `User.prototype.verify()` doc for params reference
|
|
* and their default values.
|
|
*/
|
|
|
|
User.getVerifyOptions = function() {
|
|
const verifyOptions = {
|
|
type: 'email',
|
|
from: 'noreply@example.com',
|
|
};
|
|
return this.settings.verifyOptions || verifyOptions;
|
|
};
|
|
|
|
/**
|
|
* Verify a user's identity by sending them a confirmation message.
|
|
* NOTE: Currently only email verification is supported
|
|
*
|
|
* ```js
|
|
* var verifyOptions = {
|
|
* type: 'email',
|
|
* from: 'noreply@example.com'
|
|
* template: 'verify.ejs',
|
|
* redirect: '/',
|
|
* generateVerificationToken: function (user, options, cb) {
|
|
* cb('random-token');
|
|
* }
|
|
* };
|
|
*
|
|
* user.verify(verifyOptions);
|
|
* ```
|
|
*
|
|
* NOTE: the User.getVerifyOptions() method can also be used to ease the
|
|
* building of identity verification options.
|
|
*
|
|
* ```js
|
|
* var verifyOptions = MyUser.getVerifyOptions();
|
|
* user.verify(verifyOptions);
|
|
* ```
|
|
*
|
|
* @options {Object} verifyOptions
|
|
* @property {String} type Must be `'email'` in the current implementation.
|
|
* @property {Function} mailer A mailer function with a static `.send() method.
|
|
* The `.send()` method must accept the verifyOptions object, the method's
|
|
* remoting context options object and a callback function with `(err, email)`
|
|
* as parameters.
|
|
* Defaults to provided `userModel.email` function, or ultimately to LoopBack's
|
|
* own mailer function.
|
|
* @property {String} to Email address to which verification email is sent.
|
|
* Defaults to user's email. Can also be overriden to a static value for test
|
|
* purposes.
|
|
* @property {String} from Sender email address
|
|
* For example `'noreply@example.com'`.
|
|
* @property {String} subject Subject line text.
|
|
* Defaults to `'Thanks for Registering'` or a local equivalent.
|
|
* @property {String} text Text of email.
|
|
* Defaults to `'Please verify your email by opening this link in a web browser:`
|
|
* followed by the verify link.
|
|
* @property {Object} headers Email headers. None provided by default.
|
|
* @property {String} template Relative path of template that displays verification
|
|
* page. Defaults to `'../../templates/verify.ejs'`.
|
|
* @property {Function} templateFn A function generating the email HTML body
|
|
* from `verify()` options object and generated attributes like `options.verifyHref`.
|
|
* It must accept the verifyOptions object, the method's remoting context options
|
|
* object and a callback function with `(err, html)` as parameters.
|
|
* A default templateFn function is provided, see `createVerificationEmailBody()`
|
|
* for implementation details.
|
|
* @property {String} redirect Page to which user will be redirected after
|
|
* they verify their email. Defaults to `'/'`.
|
|
* @property {String} verifyHref The link to include in the user's verify message.
|
|
* Defaults to an url analog to:
|
|
* `http://host:port/restApiRoot/userRestPath/confirm?uid=userId&redirect=/``
|
|
* @property {String} host The API host. Defaults to app's host or `localhost`.
|
|
* @property {String} protocol The API protocol. Defaults to `'http'`.
|
|
* @property {Number} port The API port. Defaults to app's port or `3000`.
|
|
* @property {String} restApiRoot The API root path. Defaults to app's restApiRoot
|
|
* or `'/api'`
|
|
* @property {Function} generateVerificationToken A function to be used to
|
|
* generate the verification token.
|
|
* It must accept the verifyOptions object, the method's remoting context options
|
|
* object and a callback function with `(err, hexStringBuffer)` as parameters.
|
|
* This function should NOT add the token to the user object, instead simply
|
|
* execute the callback with the token! User saving and email sending will be
|
|
* handled in the `verify()` method.
|
|
* A default token generation function is provided, see `generateVerificationToken()`
|
|
* for implementation details.
|
|
* @callback {Function} cb Callback function.
|
|
* @param {Object} options remote context options.
|
|
* @param {Error} err Error object.
|
|
* @param {Object} object Contains email, token, uid.
|
|
* @promise
|
|
*/
|
|
|
|
User.prototype.verify = function(verifyOptions, options, cb) {
|
|
if (cb === undefined && typeof options === 'function') {
|
|
cb = options;
|
|
options = undefined;
|
|
}
|
|
cb = cb || utils.createPromiseCallback();
|
|
|
|
var user = this;
|
|
var userModel = this.constructor;
|
|
var registry = userModel.registry;
|
|
|
|
// final assertion is performed once all options are assigned
|
|
assert(typeof verifyOptions === 'object',
|
|
'verifyOptions object param required when calling user.verify()');
|
|
|
|
// Set a default template generation function if none provided
|
|
verifyOptions.templateFn = verifyOptions.templateFn || createVerificationEmailBody;
|
|
|
|
// Set a default token generation function if none provided
|
|
verifyOptions.generateVerificationToken = verifyOptions.generateVerificationToken ||
|
|
User.generateVerificationToken;
|
|
|
|
// Set a default mailer function if none provided
|
|
verifyOptions.mailer = verifyOptions.mailer || userModel.email ||
|
|
registry.getModelByType(loopback.Email);
|
|
|
|
var pkName = userModel.definition.idName() || 'id';
|
|
verifyOptions.redirect = verifyOptions.redirect || '/';
|
|
var defaultTemplate = path.join(__dirname, '..', '..', 'templates', 'verify.ejs');
|
|
verifyOptions.template = path.resolve(verifyOptions.template || defaultTemplate);
|
|
verifyOptions.user = user;
|
|
verifyOptions.protocol = verifyOptions.protocol || 'http';
|
|
|
|
var app = userModel.app;
|
|
verifyOptions.host = verifyOptions.host || (app && app.get('host')) || 'localhost';
|
|
verifyOptions.port = verifyOptions.port || (app && app.get('port')) || 3000;
|
|
verifyOptions.restApiRoot = verifyOptions.restApiRoot || (app && app.get('restApiRoot')) || '/api';
|
|
|
|
var displayPort = (
|
|
(verifyOptions.protocol === 'http' && verifyOptions.port == '80') ||
|
|
(verifyOptions.protocol === 'https' && verifyOptions.port == '443')
|
|
) ? '' : ':' + verifyOptions.port;
|
|
|
|
var urlPath = joinUrlPath(
|
|
verifyOptions.restApiRoot,
|
|
userModel.http.path,
|
|
userModel.sharedClass.findMethodByName('confirm').http.path
|
|
);
|
|
|
|
verifyOptions.verifyHref = verifyOptions.verifyHref ||
|
|
verifyOptions.protocol +
|
|
'://' +
|
|
verifyOptions.host +
|
|
displayPort +
|
|
urlPath +
|
|
'?' + qs.stringify({
|
|
uid: '' + verifyOptions.user[pkName],
|
|
redirect: verifyOptions.redirect,
|
|
});
|
|
|
|
verifyOptions.to = verifyOptions.to || user.email;
|
|
verifyOptions.subject = verifyOptions.subject || g.f('Thanks for Registering');
|
|
verifyOptions.headers = verifyOptions.headers || {};
|
|
|
|
// assert the verifyOptions params that might have been badly defined
|
|
assertVerifyOptions(verifyOptions);
|
|
|
|
// argument "options" is passed depending on verifyOptions.generateVerificationToken function requirements
|
|
var tokenGenerator = verifyOptions.generateVerificationToken;
|
|
if (tokenGenerator.length == 3) {
|
|
tokenGenerator(user, options, addTokenToUserAndSave);
|
|
} else {
|
|
tokenGenerator(user, addTokenToUserAndSave);
|
|
}
|
|
|
|
function addTokenToUserAndSave(err, token) {
|
|
if (err) return cb(err);
|
|
user.verificationToken = token;
|
|
user.save(options, function(err) {
|
|
if (err) return cb(err);
|
|
sendEmail(user);
|
|
});
|
|
}
|
|
|
|
// TODO - support more verification types
|
|
function sendEmail(user) {
|
|
verifyOptions.verifyHref += '&token=' + user.verificationToken;
|
|
verifyOptions.verificationToken = user.verificationToken;
|
|
verifyOptions.text = verifyOptions.text || g.f('Please verify your email by opening ' +
|
|
'this link in a web browser:\n\t%s', verifyOptions.verifyHref);
|
|
verifyOptions.text = verifyOptions.text.replace(/\{href\}/g, verifyOptions.verifyHref);
|
|
|
|
// argument "options" is passed depending on templateFn function requirements
|
|
var templateFn = verifyOptions.templateFn;
|
|
if (templateFn.length == 3) {
|
|
templateFn(verifyOptions, options, setHtmlContentAndSend);
|
|
} else {
|
|
templateFn(verifyOptions, setHtmlContentAndSend);
|
|
}
|
|
|
|
function setHtmlContentAndSend(err, html) {
|
|
if (err) return cb(err);
|
|
|
|
verifyOptions.html = html;
|
|
|
|
// Remove verifyOptions.template to prevent rejection by certain
|
|
// nodemailer transport plugins.
|
|
delete verifyOptions.template;
|
|
|
|
// argument "options" is passed depending on Email.send function requirements
|
|
var Email = verifyOptions.mailer;
|
|
if (Email.send.length == 3) {
|
|
Email.send(verifyOptions, options, handleAfterSend);
|
|
} else {
|
|
Email.send(verifyOptions, handleAfterSend);
|
|
}
|
|
|
|
function handleAfterSend(err, email) {
|
|
if (err) return cb(err);
|
|
cb(null, {email: email, token: user.verificationToken, uid: user[pkName]});
|
|
}
|
|
}
|
|
}
|
|
|
|
return cb.promise;
|
|
};
|
|
|
|
function assertVerifyOptions(verifyOptions) {
|
|
assert(verifyOptions.type, 'You must supply a verification type (verifyOptions.type)');
|
|
assert(verifyOptions.type === 'email', 'Unsupported verification type');
|
|
assert(verifyOptions.to, 'Must include verifyOptions.to when calling user.verify() ' +
|
|
'or the user must have an email property');
|
|
assert(verifyOptions.from, 'Must include verifyOptions.from when calling user.verify()');
|
|
assert(typeof verifyOptions.templateFn === 'function',
|
|
'templateFn must be a function');
|
|
assert(typeof verifyOptions.generateVerificationToken === 'function',
|
|
'generateVerificationToken must be a function');
|
|
assert(verifyOptions.mailer, 'A mailer function must be provided');
|
|
assert(typeof verifyOptions.mailer.send === 'function', 'mailer.send must be a function ');
|
|
}
|
|
|
|
function createVerificationEmailBody(verifyOptions, options, cb) {
|
|
var template = loopback.template(verifyOptions.template);
|
|
var body = template(verifyOptions);
|
|
cb(null, body);
|
|
}
|
|
|
|
/**
|
|
* A default verification token generator which accepts the user the token is
|
|
* being generated for and a callback function to indicate completion.
|
|
* This one uses the crypto library and 64 random bytes (converted to hex)
|
|
* for the token. When used in combination with the user.verify() method this
|
|
* function will be called with the `user` object as it's context (`this`).
|
|
*
|
|
* @param {object} user The User this token is being generated for.
|
|
* @param {object} options remote context options.
|
|
* @param {Function} cb The generator must pass back the new token with this function call.
|
|
*/
|
|
User.generateVerificationToken = function(user, options, cb) {
|
|
crypto.randomBytes(64, function(err, buf) {
|
|
cb(err, buf && buf.toString('hex'));
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Confirm the user's identity.
|
|
*
|
|
* @param {Any} userId
|
|
* @param {String} token The validation token
|
|
* @param {String} redirect URL to redirect the user to once confirmed
|
|
* @callback {Function} callback
|
|
* @param {Error} err
|
|
* @promise
|
|
*/
|
|
User.confirm = function(uid, token, redirect, fn) {
|
|
fn = fn || utils.createPromiseCallback();
|
|
this.findById(uid, function(err, user) {
|
|
if (err) {
|
|
fn(err);
|
|
} else {
|
|
if (user && user.verificationToken === token) {
|
|
user.verificationToken = null;
|
|
user.emailVerified = true;
|
|
user.save(function(err) {
|
|
if (err) {
|
|
fn(err);
|
|
} else {
|
|
fn();
|
|
}
|
|
});
|
|
} else {
|
|
if (user) {
|
|
err = new Error(g.f('Invalid token: %s', token));
|
|
err.statusCode = 400;
|
|
err.code = 'INVALID_TOKEN';
|
|
} else {
|
|
err = new Error(g.f('User not found: %s', uid));
|
|
err.statusCode = 404;
|
|
err.code = 'USER_NOT_FOUND';
|
|
}
|
|
fn(err);
|
|
}
|
|
}
|
|
});
|
|
return fn.promise;
|
|
};
|
|
|
|
/**
|
|
* Create a short lived access token for temporary login. Allows users
|
|
* to change passwords if forgotten.
|
|
*
|
|
* @options {Object} options
|
|
* @prop {String} email The user's email address
|
|
* @property {String} realm The user's realm (optional)
|
|
* @callback {Function} callback
|
|
* @param {Error} err
|
|
* @promise
|
|
*/
|
|
|
|
User.resetPassword = function(options, cb) {
|
|
cb = cb || utils.createPromiseCallback();
|
|
var UserModel = this;
|
|
var ttl = UserModel.settings.resetPasswordTokenTTL || DEFAULT_RESET_PW_TTL;
|
|
options = options || {};
|
|
if (typeof options.email !== 'string') {
|
|
var err = new Error(g.f('Email is required'));
|
|
err.statusCode = 400;
|
|
err.code = 'EMAIL_REQUIRED';
|
|
cb(err);
|
|
return cb.promise;
|
|
}
|
|
|
|
try {
|
|
if (options.password) {
|
|
UserModel.validatePassword(options.password);
|
|
}
|
|
} catch (err) {
|
|
return cb(err);
|
|
}
|
|
var where = {
|
|
email: options.email,
|
|
};
|
|
if (options.realm) {
|
|
where.realm = options.realm;
|
|
}
|
|
UserModel.findOne({where: where}, function(err, user) {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
if (!user) {
|
|
err = new Error(g.f('Email not found'));
|
|
err.statusCode = 404;
|
|
err.code = 'EMAIL_NOT_FOUND';
|
|
return cb(err);
|
|
}
|
|
// create a short lived access token for temp login to change password
|
|
// TODO(ritch) - eventually this should only allow password change
|
|
if (UserModel.settings.emailVerificationRequired && !user.emailVerified) {
|
|
err = new Error(g.f('Email has not been verified'));
|
|
err.statusCode = 401;
|
|
err.code = 'RESET_FAILED_EMAIL_NOT_VERIFIED';
|
|
return cb(err);
|
|
}
|
|
|
|
if (UserModel.settings.restrictResetPasswordTokenScope) {
|
|
const tokenData = {
|
|
ttl: ttl,
|
|
scopes: ['reset-password'],
|
|
};
|
|
user.createAccessToken(tokenData, options, onTokenCreated);
|
|
} else {
|
|
// We need to preserve backwards-compatibility with
|
|
// user-supplied implementations of "createAccessToken"
|
|
// that may not support "options" argument (we have such
|
|
// examples in our test suite).
|
|
user.createAccessToken(ttl, onTokenCreated);
|
|
}
|
|
|
|
function onTokenCreated(err, accessToken) {
|
|
if (err) {
|
|
return cb(err);
|
|
}
|
|
cb();
|
|
UserModel.emit('resetPasswordRequest', {
|
|
email: options.email,
|
|
accessToken: accessToken,
|
|
user: user,
|
|
options: options,
|
|
});
|
|
}
|
|
});
|
|
|
|
return cb.promise;
|
|
};
|
|
|
|
/*!
|
|
* Hash the plain password
|
|
*/
|
|
User.hashPassword = function(plain) {
|
|
this.validatePassword(plain);
|
|
var salt = bcrypt.genSaltSync(this.settings.saltWorkFactor || SALT_WORK_FACTOR);
|
|
return bcrypt.hashSync(plain, salt);
|
|
};
|
|
|
|
User.validatePassword = function(plain) {
|
|
var err;
|
|
if (!plain || typeof plain !== 'string') {
|
|
err = new Error(g.f('Invalid password.'));
|
|
err.code = 'INVALID_PASSWORD';
|
|
err.statusCode = 422;
|
|
throw err;
|
|
}
|
|
|
|
// Bcrypt only supports up to 72 bytes; the rest is silently dropped.
|
|
var len = Buffer.byteLength(plain, 'utf8');
|
|
if (len > MAX_PASSWORD_LENGTH) {
|
|
err = new Error(g.f('The password entered was too long. Max length is %d (entered %d)',
|
|
MAX_PASSWORD_LENGTH, len));
|
|
err.code = 'PASSWORD_TOO_LONG';
|
|
err.statusCode = 422;
|
|
throw err;
|
|
}
|
|
};
|
|
|
|
User._invalidateAccessTokensOfUsers = function(userIds, options, cb) {
|
|
if (typeof options === 'function' && cb === undefined) {
|
|
cb = options;
|
|
options = {};
|
|
}
|
|
|
|
if (!Array.isArray(userIds) || !userIds.length)
|
|
return process.nextTick(cb);
|
|
|
|
var accessTokenRelation = this.relations.accessTokens;
|
|
if (!accessTokenRelation)
|
|
return process.nextTick(cb);
|
|
|
|
var AccessToken = accessTokenRelation.modelTo;
|
|
var query = {userId: {inq: userIds}};
|
|
var tokenPK = AccessToken.definition.idName() || 'id';
|
|
if (options.accessToken && tokenPK in options.accessToken) {
|
|
query[tokenPK] = {neq: options.accessToken[tokenPK]};
|
|
}
|
|
// add principalType in AccessToken.query if using polymorphic relations
|
|
// between AccessToken and User
|
|
var relatedUser = AccessToken.relations.user;
|
|
var isRelationPolymorphic = relatedUser && relatedUser.polymorphic &&
|
|
!relatedUser.modelTo;
|
|
if (isRelationPolymorphic) {
|
|
query.principalType = this.modelName;
|
|
}
|
|
AccessToken.deleteAll(query, options, cb);
|
|
};
|
|
|
|
/*!
|
|
* Setup an extended user model.
|
|
*/
|
|
|
|
User.setup = function() {
|
|
// We need to call the base class's setup method
|
|
User.base.setup.call(this);
|
|
var UserModel = this;
|
|
|
|
// max ttl
|
|
this.settings.maxTTL = this.settings.maxTTL || DEFAULT_MAX_TTL;
|
|
this.settings.ttl = this.settings.ttl || DEFAULT_TTL;
|
|
|
|
UserModel.setter.email = function(value) {
|
|
if (!UserModel.settings.caseSensitiveEmail) {
|
|
this.$email = value.toLowerCase();
|
|
} else {
|
|
this.$email = value;
|
|
}
|
|
};
|
|
|
|
UserModel.setter.password = function(plain) {
|
|
if (typeof plain !== 'string') {
|
|
return;
|
|
}
|
|
if (plain.indexOf('$2a$') === 0 && plain.length === 60) {
|
|
// The password is already hashed. It can be the case
|
|
// when the instance is loaded from DB
|
|
this.$password = plain;
|
|
} else {
|
|
this.$password = this.constructor.hashPassword(plain);
|
|
}
|
|
};
|
|
|
|
// Make sure emailVerified is not set by creation
|
|
UserModel.beforeRemote('create', function(ctx, user, next) {
|
|
var body = ctx.req.body;
|
|
if (body && body.emailVerified) {
|
|
body.emailVerified = false;
|
|
}
|
|
next();
|
|
});
|
|
|
|
UserModel.remoteMethod(
|
|
'login',
|
|
{
|
|
description: 'Login a user with username/email and password.',
|
|
accepts: [
|
|
{arg: 'credentials', type: 'object', required: true, http: {source: 'body'}},
|
|
{arg: 'include', type: ['string'], http: {source: 'query'},
|
|
description: 'Related objects to include in the response. ' +
|
|
'See the description of return value for more details.'},
|
|
],
|
|
returns: {
|
|
arg: 'accessToken', type: 'object', root: true,
|
|
description:
|
|
g.f('The response body contains properties of the {{AccessToken}} created on login.\n' +
|
|
'Depending on the value of `include` parameter, the body may contain ' +
|
|
'additional properties:\n\n' +
|
|
' - `user` - `U+007BUserU+007D` - Data of the currently logged in user. ' +
|
|
'{{(`include=user`)}}\n\n'),
|
|
},
|
|
http: {verb: 'post'},
|
|
}
|
|
);
|
|
|
|
UserModel.remoteMethod(
|
|
'logout',
|
|
{
|
|
description: 'Logout a user with access token.',
|
|
accepts: [
|
|
{arg: 'access_token', type: 'string', http: function(ctx) {
|
|
var req = ctx && ctx.req;
|
|
var accessToken = req && req.accessToken;
|
|
var tokenID = accessToken ? accessToken.id : undefined;
|
|
|
|
return tokenID;
|
|
}, description: 'Do not supply this argument, it is automatically extracted ' +
|
|
'from request headers.',
|
|
},
|
|
],
|
|
http: {verb: 'all'},
|
|
}
|
|
);
|
|
|
|
UserModel.remoteMethod(
|
|
'prototype.verify',
|
|
{
|
|
description: 'Trigger user\'s identity verification with configured verifyOptions',
|
|
accepts: [
|
|
{arg: 'verifyOptions', type: 'object', http: ctx => this.getVerifyOptions()},
|
|
{arg: 'options', type: 'object', http: 'optionsFromRequest'},
|
|
],
|
|
http: {verb: 'post'},
|
|
}
|
|
);
|
|
|
|
UserModel.remoteMethod(
|
|
'confirm',
|
|
{
|
|
description: 'Confirm a user registration with identity verification token.',
|
|
accepts: [
|
|
{arg: 'uid', type: 'string', required: true},
|
|
{arg: 'token', type: 'string', required: true},
|
|
{arg: 'redirect', type: 'string'},
|
|
],
|
|
http: {verb: 'get', path: '/confirm'},
|
|
}
|
|
);
|
|
|
|
UserModel.remoteMethod(
|
|
'resetPassword',
|
|
{
|
|
description: 'Reset password for a user with email.',
|
|
accepts: [
|
|
{arg: 'options', type: 'object', required: true, http: {source: 'body'}},
|
|
],
|
|
http: {verb: 'post', path: '/reset'},
|
|
}
|
|
);
|
|
|
|
UserModel.remoteMethod(
|
|
'changePassword',
|
|
{
|
|
description: 'Change a user\'s password.',
|
|
accepts: [
|
|
{arg: 'id', type: 'any',
|
|
http: ctx => ctx.req.accessToken && ctx.req.accessToken.userId,
|
|
},
|
|
{arg: 'oldPassword', type: 'string', required: true, http: {source: 'form'}},
|
|
{arg: 'newPassword', type: 'string', required: true, http: {source: 'form'}},
|
|
{arg: 'options', type: 'object', http: 'optionsFromRequest'},
|
|
],
|
|
http: {verb: 'POST', path: '/change-password'},
|
|
}
|
|
);
|
|
|
|
const setPasswordScopes = UserModel.settings.restrictResetPasswordTokenScope ?
|
|
['reset-password'] : undefined;
|
|
|
|
UserModel.remoteMethod(
|
|
'setPassword',
|
|
{
|
|
description: 'Reset user\'s password via a password-reset token.',
|
|
accepts: [
|
|
{arg: 'id', type: 'any',
|
|
http: ctx => ctx.req.accessToken && ctx.req.accessToken.userId,
|
|
},
|
|
{arg: 'newPassword', type: 'string', required: true, http: {source: 'form'}},
|
|
{arg: 'options', type: 'object', http: 'optionsFromRequest'},
|
|
],
|
|
accessScopes: setPasswordScopes,
|
|
http: {verb: 'POST', path: '/reset-password'},
|
|
}
|
|
);
|
|
|
|
UserModel.afterRemote('confirm', function(ctx, inst, next) {
|
|
if (ctx.args.redirect !== undefined) {
|
|
if (!ctx.res) {
|
|
return next(new Error(g.f('The transport does not support HTTP redirects.')));
|
|
}
|
|
ctx.res.location(ctx.args.redirect);
|
|
ctx.res.status(302);
|
|
}
|
|
next();
|
|
});
|
|
|
|
// default models
|
|
assert(loopback.Email, 'Email model must be defined before User model');
|
|
UserModel.email = loopback.Email;
|
|
|
|
assert(loopback.AccessToken, 'AccessToken model must be defined before User model');
|
|
UserModel.accessToken = loopback.AccessToken;
|
|
|
|
UserModel.validate('email', emailValidator, {
|
|
message: g.f('Must provide a valid email'),
|
|
});
|
|
|
|
// Realm users validation
|
|
if (UserModel.settings.realmRequired && UserModel.settings.realmDelimiter) {
|
|
UserModel.validatesUniquenessOf('email', {
|
|
message: 'Email already exists',
|
|
scopedTo: ['realm'],
|
|
});
|
|
UserModel.validatesUniquenessOf('username', {
|
|
message: 'User already exists',
|
|
scopedTo: ['realm'],
|
|
});
|
|
} else {
|
|
// Regular(Non-realm) users validation
|
|
UserModel.validatesUniquenessOf('email', {message: 'Email already exists'});
|
|
UserModel.validatesUniquenessOf('username', {message: 'User already exists'});
|
|
}
|
|
|
|
return UserModel;
|
|
};
|
|
|
|
/*!
|
|
* Setup the base user.
|
|
*/
|
|
|
|
User.setup();
|
|
|
|
// --- OPERATION HOOKS ---
|
|
//
|
|
// Important: Operation hooks are inherited by subclassed models,
|
|
// therefore they must be registered outside of setup() function
|
|
|
|
// Access token to normalize email credentials
|
|
User.observe('access', function normalizeEmailCase(ctx, next) {
|
|
if (!ctx.Model.settings.caseSensitiveEmail && ctx.query.where &&
|
|
ctx.query.where.email && typeof(ctx.query.where.email) === 'string') {
|
|
ctx.query.where.email = ctx.query.where.email.toLowerCase();
|
|
}
|
|
next();
|
|
});
|
|
|
|
User.observe('before save', function rejectInsecurePasswordChange(ctx, next) {
|
|
const UserModel = ctx.Model;
|
|
if (!UserModel.settings.rejectPasswordChangesViaPatchOrReplace) {
|
|
// In legacy password flow, any DAO method can change the password
|
|
return next();
|
|
}
|
|
|
|
if (ctx.isNewInstance) {
|
|
// The password can be always set when creating a new User instance
|
|
return next();
|
|
}
|
|
const data = ctx.data || ctx.instance;
|
|
const isPasswordChange = 'password' in data;
|
|
|
|
// This is the option set by `setPassword()` API
|
|
// when calling `this.patchAttritubes()` to change user's password
|
|
if (ctx.options.setPassword) {
|
|
// Verify that only the password is changed and nothing more or less.
|
|
if (Object.keys(data).length > 1 || !isPasswordChange) {
|
|
// This is a programmer's error, use the default status code 500
|
|
return next(new Error(
|
|
'Invalid use of "options.setPassword". Only "password" can be ' +
|
|
'changed when using this option.'));
|
|
}
|
|
|
|
return next();
|
|
}
|
|
|
|
if (!isPasswordChange) {
|
|
return next();
|
|
}
|
|
|
|
const err = new Error(
|
|
'Changing user password via patch/replace API is not allowed. ' +
|
|
'Use changePassword() or setPassword() instead.');
|
|
err.statusCode = 401;
|
|
err.code = 'PASSWORD_CHANGE_NOT_ALLOWED';
|
|
next(err);
|
|
});
|
|
|
|
User.observe('before save', function prepareForTokenInvalidation(ctx, next) {
|
|
if (ctx.isNewInstance) return next();
|
|
if (!ctx.where && !ctx.instance) return next();
|
|
|
|
var pkName = ctx.Model.definition.idName() || 'id';
|
|
var where = ctx.where;
|
|
if (!where) {
|
|
where = {};
|
|
where[pkName] = ctx.instance[pkName];
|
|
}
|
|
|
|
ctx.Model.find({where: where}, ctx.options, function(err, userInstances) {
|
|
if (err) return next(err);
|
|
ctx.hookState.originalUserData = userInstances.map(function(u) {
|
|
var user = {};
|
|
user[pkName] = u[pkName];
|
|
user.email = u.email;
|
|
user.password = u.password;
|
|
return user;
|
|
});
|
|
var emailChanged;
|
|
if (ctx.instance) {
|
|
emailChanged = ctx.instance.email !== ctx.hookState.originalUserData[0].email;
|
|
if (emailChanged && ctx.Model.settings.emailVerificationRequired) {
|
|
ctx.instance.emailVerified = false;
|
|
}
|
|
} else if (ctx.data.email) {
|
|
emailChanged = ctx.hookState.originalUserData.some(function(data) {
|
|
return data.email != ctx.data.email;
|
|
});
|
|
if (emailChanged && ctx.Model.settings.emailVerificationRequired) {
|
|
ctx.data.emailVerified = false;
|
|
}
|
|
}
|
|
|
|
next();
|
|
});
|
|
});
|
|
|
|
User.observe('after save', function invalidateOtherTokens(ctx, next) {
|
|
if (!ctx.instance && !ctx.data) return next();
|
|
if (!ctx.hookState.originalUserData) return next();
|
|
|
|
var pkName = ctx.Model.definition.idName() || 'id';
|
|
var newEmail = (ctx.instance || ctx.data).email;
|
|
var newPassword = (ctx.instance || ctx.data).password;
|
|
|
|
if (!newEmail && !newPassword) return next();
|
|
|
|
var userIdsToExpire = ctx.hookState.originalUserData.filter(function(u) {
|
|
return (newEmail && u.email !== newEmail) ||
|
|
(newPassword && u.password !== newPassword);
|
|
}).map(function(u) {
|
|
return u[pkName];
|
|
});
|
|
ctx.Model._invalidateAccessTokensOfUsers(userIdsToExpire, ctx.options, next);
|
|
});
|
|
};
|
|
|
|
function emailValidator(err, done) {
|
|
var value = this.email;
|
|
if (value == null)
|
|
return;
|
|
if (typeof value !== 'string')
|
|
return err('string');
|
|
if (value === '') return;
|
|
if (!isEmail.validate(value))
|
|
return err('email');
|
|
}
|
|
|
|
function joinUrlPath(args) {
|
|
var result = arguments[0];
|
|
for (var ix = 1; ix < arguments.length; ix++) {
|
|
var next = arguments[ix];
|
|
result += result[result.length - 1] === '/' && next[0] === '/' ?
|
|
next.slice(1) : next;
|
|
}
|
|
return result;
|
|
}
|