961 lines
31 KiB
JavaScript
961 lines
31 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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var g = require('strong-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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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](https://docs.strongloop.com/display/public/LB/Partitioning+users+with+realms) for details.
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* @property {Date} created The property is not used by LoopBack, you are free to use it for your own purposes.
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* @property {Date} lastUpdated The property is not used by LoopBack, you are free to use it for your own purposes.
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* @property {String} status The property is not used by LoopBack, you are free to use it for your own purposes.
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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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* @param {Number} ttl The requested ttl
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* @param {Object} [options] The options for access token, such as scope, appId
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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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*/
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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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if (typeof ttl === 'object' && !options) {
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// createAccessToken(options, cb)
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options = ttl;
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ttl = options.ttl;
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}
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options = options || {};
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var userModel = this.constructor;
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ttl = Math.min(ttl || userModel.settings.ttl, userModel.settings.maxTTL);
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this.accessTokens.create({
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ttl: ttl
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}, 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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* @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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*/
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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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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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*/
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User.logout = function(tokenId, fn) {
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fn = fn || utils.createPromiseCallback();
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if (!tokenId) {
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var err = new Error(g.f('{{accessToken}} is required to logout'));
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err.status = 401;
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process.nextTick(function() { 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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*/
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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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* Verify a user's identity by sending them a confirmation email.
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*
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* ```js
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* var options = {
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* type: 'email',
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* to: user.email,
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* template: 'verify.ejs',
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* redirect: '/',
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* tokenGenerator: function (user, cb) { cb("random-token"); }
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* };
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*
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* user.verify(options, next);
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* ```
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*
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* @options {Object} options
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* @property {String} type Must be 'email'.
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* @property {String} to Email address to which verification email is sent.
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* @property {String} from Sender email addresss, for example
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* `'noreply@myapp.com'`.
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* @property {String} subject Subject line text.
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* @property {String} text Text of email.
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* @property {String} template Name of template that displays verification
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* page, for example, `'verify.ejs'.
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* @property {Function} templateFn A function generating the email HTML body
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* from `verify()` options object and generated attributes like `options.verifyHref`.
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* It must accept the option object and a callback function with `(err, html)`
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* as parameters
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* @property {String} redirect Page to which user will be redirected after
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* they verify their email, for example `'/'` for root URI.
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* @property {Function} generateVerificationToken A function to be used to
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* generate the verification token. It must accept the user object and a
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* callback function. This function should NOT add the token to the user
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* object, instead simply execute the callback with the token! User saving
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* and email sending will be handled in the `verify()` method.
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*/
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User.prototype.verify = function(options, fn) {
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fn = fn || utils.createPromiseCallback();
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var user = this;
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var userModel = this.constructor;
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var registry = userModel.registry;
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var pkName = userModel.definition.idName() || 'id';
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assert(typeof options === 'object', 'options required when calling user.verify()');
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assert(options.type, 'You must supply a verification type (options.type)');
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assert(options.type === 'email', 'Unsupported verification type');
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assert(options.to || this.email, 'Must include options.to when calling user.verify() or the user must have an email property');
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assert(options.from, 'Must include options.from when calling user.verify()');
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options.redirect = options.redirect || '/';
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options.template = path.resolve(options.template || path.join(__dirname, '..', '..', 'templates', 'verify.ejs'));
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options.user = this;
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options.protocol = options.protocol || 'http';
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var app = userModel.app;
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options.host = options.host || (app && app.get('host')) || 'localhost';
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options.port = options.port || (app && app.get('port')) || 3000;
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options.restApiRoot = options.restApiRoot || (app && app.get('restApiRoot')) || '/api';
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var displayPort = (
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(options.protocol === 'http' && options.port == '80') ||
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(options.protocol === 'https' && options.port == '443')
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) ? '' : ':' + options.port;
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var urlPath = joinUrlPath(
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options.restApiRoot,
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userModel.http.path,
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userModel.sharedClass.find('confirm', true).http.path
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);
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options.verifyHref = options.verifyHref ||
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options.protocol +
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'://' +
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options.host +
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displayPort +
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urlPath +
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'?' + qs.stringify({
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uid: options.user[pkName],
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redirect: options.redirect,
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});
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options.templateFn = options.templateFn || createVerificationEmailBody;
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// Email model
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var Email = options.mailer || this.constructor.email || registry.getModelByType(loopback.Email);
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// Set a default token generation function if one is not provided
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var tokenGenerator = options.generateVerificationToken || User.generateVerificationToken;
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tokenGenerator(user, function(err, token) {
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if (err) { return fn(err); }
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user.verificationToken = token;
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user.save(function(err) {
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if (err) {
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fn(err);
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} else {
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sendEmail(user);
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}
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});
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});
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// TODO - support more verification types
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function sendEmail(user) {
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options.verifyHref += '&token=' + user.verificationToken;
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options.text = options.text || g.f('Please verify your email by opening ' +
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'this link in a web browser:\n\t%s', options.verifyHref);
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options.text = options.text.replace(/\{href\}/g, options.verifyHref);
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options.to = options.to || user.email;
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options.subject = options.subject || g.f('Thanks for Registering');
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options.headers = options.headers || {};
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options.templateFn(options, function(err, html) {
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if (err) {
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fn(err);
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} else {
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setHtmlContentAndSend(html);
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}
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});
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function setHtmlContentAndSend(html) {
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options.html = html;
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// Remove options.template to prevent rejection by certain
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// nodemailer transport plugins.
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delete options.template;
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Email.send(options, function(err, email) {
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if (err) {
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fn(err);
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} else {
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fn(null, {email: email, token: user.verificationToken, uid: user[pkName]});
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}
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});
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}
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}
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return fn.promise;
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};
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function createVerificationEmailBody(options, cb) {
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var template = loopback.template(options.template);
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var body = template(options);
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cb(null, body);
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}
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/**
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* A default verification token generator which accepts the user the token is
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|
* 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 {Function} cb The generator must pass back the new token with this function call
|
|
*/
|
|
User.generateVerificationToken = function(user, 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
|
|
*/
|
|
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
|
|
* @property {String} email The user's email address
|
|
* @property {String} realm The user's realm (optional)
|
|
* @callback {Function} callback
|
|
* @param {Error} err
|
|
*/
|
|
|
|
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);
|
|
}
|
|
|
|
user.createAccessToken(ttl, function(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' && plain.length <= MAX_PASSWORD_LENGTH) {
|
|
return true;
|
|
}
|
|
if (plain.length > MAX_PASSWORD_LENGTH) {
|
|
err = new Error(g.f('Password too long: %s', plain));
|
|
err.code = 'PASSWORD_TOO_LONG';
|
|
} else {
|
|
err = new Error(g.f('Invalid password: %s', plain));
|
|
err.code = 'INVALID_PASSWORD';
|
|
}
|
|
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]};
|
|
}
|
|
|
|
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(
|
|
'confirm',
|
|
{
|
|
description: 'Confirm a user registration with email 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.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')
|
|
});
|
|
|
|
// FIXME: We need to add support for uniqueness of composite keys in juggler
|
|
if (!(UserModel.settings.realmRequired || UserModel.settings.realmDelimiter)) {
|
|
UserModel.validatesUniquenessOf('email', {message: 'Email already exists'});
|
|
UserModel.validatesUniquenessOf('username', {message: 'User already exists'});
|
|
}
|
|
|
|
UserModel.once('attached', function() {
|
|
if (UserModel.app.get('logoutSessionsOnSensitiveChanges') !== undefined)
|
|
return;
|
|
|
|
g.warn([
|
|
'',
|
|
'The user model %j is attached to an application that does not specify',
|
|
'whether other sessions should be invalidated when a password or',
|
|
'an email has changed. Session invalidation is important for security',
|
|
'reasons as it allows users to recover from various account breach',
|
|
'situations.',
|
|
'',
|
|
'We recommend turning this feature on by setting',
|
|
'"{{logoutSessionsOnSensitiveChanges}}" to {{true}} in',
|
|
'{{server/config.json}} (unless you have implemented your own solution',
|
|
'for token invalidation).',
|
|
'',
|
|
'We also recommend enabling "{{injectOptionsFromRemoteContext}}" in',
|
|
'%s\'s settings (typically via common/models/*.json file).',
|
|
'This setting is required for the invalidation algorithm to keep ',
|
|
'the current session valid.',
|
|
'',
|
|
'Learn more in our documentation at',
|
|
'https://loopback.io/doc/en/lb2/AccessToken-invalidation.html',
|
|
'',
|
|
].join('\n'), UserModel.modelName, UserModel.modelName);
|
|
});
|
|
|
|
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 prepareForTokenInvalidation(ctx, next) {
|
|
var invalidationEnabled = ctx.Model.app &&
|
|
ctx.Model.app.get('logoutSessionsOnSensitiveChanges');
|
|
if (!invalidationEnabled) return 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}, 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) {
|
|
var invalidationEnabled = ctx.Model.app &&
|
|
ctx.Model.app.get('logoutSessionsOnSensitiveChanges');
|
|
if (!invalidationEnabled) return 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(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;
|
|
}
|