409 lines
10 KiB
JavaScript
409 lines
10 KiB
JavaScript
/**
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* Module Dependencies.
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*/
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var Model = require('../loopback').Model
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, loopback = require('../loopback')
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, path = require('path')
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, SALT_WORK_FACTOR = 10
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, crypto = require('crypto')
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, bcrypt = require('bcryptjs')
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, passport = require('passport')
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, LocalStrategy = require('passport-local').Strategy
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, BaseAccessToken = require('./access-token')
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, DEFAULT_TTL = 1209600 // 2 weeks in seconds
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, DEFAULT_RESET_PW_TTL = 15 * 60 // 15 mins in seconds
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, DEFAULT_MAX_TTL = 31556926 // 1 year in seconds
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, Role = require('./role').Role
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, ACL = require('./acl').ACL;
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/**
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* Default User properties.
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*/
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var properties = {
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realm: {type: String},
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username: {type: String},
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password: {type: String, required: true},
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email: {type: String, required: true},
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emailVerified: Boolean,
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verificationToken: String,
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credentials: [
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'UserCredential' // User credentials, private or public, such as private/public keys, Kerberos tickets, oAuth tokens, facebook, google, github ids
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],
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challenges: [
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'Challenge' // Security questions/answers
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],
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// https://en.wikipedia.org/wiki/Multi-factor_authentication
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/*
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factors: [
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'AuthenticationFactor'
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],
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*/
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status: String,
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created: Date,
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lastUpdated: Date
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}
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/**
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* Default User options.
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*/
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var options = {
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acls: [
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{
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principalType: ACL.ROLE,
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principalId: Role.EVERYONE,
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permission: ACL.ALLOW,
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property: 'create'
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},
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{
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principalType: ACL.ROLE,
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principalId: Role.OWNER,
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permission: ACL.ALLOW,
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property: 'removeById'
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},
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{
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principalType: ACL.ROLE,
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principalId: Role.EVERYONE,
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permission: ACL.ALLOW,
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property: "login"
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},
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{
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principalType: ACL.ROLE,
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principalId: Role.EVERYONE,
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permission: ACL.ALLOW,
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property: "logout"
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},
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{
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principalType: ACL.ROLE,
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principalId: Role.OWNER,
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permission: ACL.ALLOW,
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property: "findById"
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},
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{
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principalType: ACL.ROLE,
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principalId: Role.OWNER,
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permission: ACL.ALLOW,
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property: "updateAttributes"
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}
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]
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};
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/**
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* Extends from the built in `loopback.Model` type.
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*/
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var User = module.exports = Model.extend('User', properties, options);
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/**
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* Login a user by with the given `credentials`.
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*
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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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* @param {Object} credentials
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*/
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User.login = function (credentials, fn) {
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var UserCtor = this;
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var query = {};
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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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} else {
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return fn(new Error('must provide username or email'));
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}
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this.findOne({where: query}, function(err, user) {
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var defaultError = new Error('login failed');
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if(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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fn(defaultError);
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} else if(isMatch) {
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user.accessTokens.create({
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ttl: Math.min(credentials.ttl || User.settings.ttl, User.settings.maxTTL)
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}, fn);
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} else {
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fn(defaultError);
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}
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});
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} else {
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fn(defaultError);
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}
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});
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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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* 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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* @param {String} accessTokenID
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*/
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User.logout = function (tokenId, fn) {
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this.relations.accessTokens.modelTo.findById(tokenId, function (err, accessToken) {
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if(err) {
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fn(err);
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} else if(accessToken) {
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accessToken.destroy(fn);
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} else {
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fn(new Error('could not find accessToken'));
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}
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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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* @returns {Boolean}
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*/
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User.prototype.hasPassword = function (plain, fn) {
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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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}
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/**
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* Verify a user's identity.
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*
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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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* };
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*
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* user.verify(options, next);
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*
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* @param {Object} options
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*/
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User.prototype.verify = function (options, fn) {
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var user = this;
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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() or the user must have an email property');
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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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options.host = options.host || 'localhost';
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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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+ (User.sharedCtor.http.path || '/' + User.pluralModelName)
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+ User.confirm.http.path;
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// Email model
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var Email = options.mailer || this.constructor.email || loopback.Email;
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crypto.randomBytes(64, function(err, buf) {
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if(err) {
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fn(err);
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} else {
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user.verificationToken = buf.toString('base64');
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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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});
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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 || 'Please verify your email by opening this link in a web browser:\n\t{href}';
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options.text = options.text.replace('{href}', options.verifyHref);
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var template = loopback.template(options.template);
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Email.send({
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to: options.to || user.email,
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subject: options.subject || 'Thanks for Registering',
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text: options.text,
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html: template(options)
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}, 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.id});
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}
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});
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}
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}
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User.confirm = function (uid, token, redirect, fn) {
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this.findById(uid, function (err, user) {
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if(err) {
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fn(err);
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} else {
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if(user.verificationToken === token) {
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user.verificationToken = undefined;
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user.emailVerified = true;
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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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fn();
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}
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});
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} else {
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fn(new Error('invalid token'));
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}
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}
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});
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}
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User.resetPassword = function(options, cb) {
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var UserModel = this;
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var ttl = UserModel.settings.resetPasswordTokenTTL || DEFAULT_RESET_PW_TTL;
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options = options || {};
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if(typeof options.email === 'string') {
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UserModel.findOne({email: options.email}, function(err, user) {
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if(err) {
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cb(err);
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} else if(user) {
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// create a short lived access token for temp login to change password
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// TODO(ritch) - eventually this should only allow password change
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user.accessTokens.create({ttl: ttl}, function(err, accessToken) {
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if(err) {
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cb(err);
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} else {
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cb();
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UserModel.emit('resetPasswordRequest', {
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email: options.email,
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accessToken: accessToken
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});
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}
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})
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} else {
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cb();
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}
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});
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} else {
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var err = new Error('email is required');
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err.statusCode = 400;
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cb(err);
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}
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}
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/**
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* Setup an extended user model.
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*/
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User.setup = function () {
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// We need to call the base class's setup method
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Model.setup.call(this);
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var UserModel = this;
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// max ttl
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this.settings.maxTTL = this.settings.maxTTL || DEFAULT_MAX_TTL;
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this.settings.ttl = DEFAULT_TTL;
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UserModel.setter.password = function (plain) {
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var salt = bcrypt.genSaltSync(this.constructor.settings.saltWorkFactor || SALT_WORK_FACTOR);
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this.$password = bcrypt.hashSync(plain, salt);
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}
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loopback.remoteMethod(
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UserModel.login,
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{
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accepts: [
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{arg: 'credentials', type: 'object', required: true, http: {source: 'body'}}
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],
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returns: {arg: 'accessToken', type: 'object', root: true},
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http: {verb: 'post'}
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}
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);
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loopback.remoteMethod(
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UserModel.logout,
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{
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accepts: [
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{arg: 'sid', type: 'string', required: true}
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],
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http: {verb: 'all'}
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}
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);
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loopback.remoteMethod(
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UserModel.confirm,
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{
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accepts: [
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{arg: 'uid', type: 'string', required: true},
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{arg: 'token', type: 'string', required: true},
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{arg: 'redirect', type: 'string', required: true}
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],
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http: {verb: 'get', path: '/confirm'}
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}
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);
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loopback.remoteMethod(
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UserModel.resetPassword,
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{
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accepts: [
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{arg: 'options', type: 'object', required: true, http: {source: 'body'}}
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],
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http: {verb: 'post', path: '/reset'}
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}
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);
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UserModel.on('attached', function () {
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UserModel.afterRemote('confirm', function (ctx, inst, next) {
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if(ctx.req) {
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ctx.res.redirect(ctx.req.param('redirect'));
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} else {
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fn(new Error('transport unsupported'));
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}
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});
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});
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// default models
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UserModel.email = require('./email');
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UserModel.accessToken = require('./access-token');
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UserModel.validatesUniquenessOf('email', {message: 'Email already exists'});
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var re = /^(([^<>()[\]\\.,;:\s@\"]+(\.[^<>()[\]\\.,;:\s@\"]+)*)|(\".+\"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
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UserModel.validatesFormatOf('email', {with: re, message: 'Must provide a valid email'});
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return UserModel;
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}
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/*!
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* Setup the base user.
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*/
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User.setup();
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