/
users.js
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/
users.js
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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var util = require("util");
var clone = require("clone");
var bcrypt;
try { bcrypt = require('bcrypt'); }
catch(e) { bcrypt = require('bcryptjs'); }
var users = {};
var defaultUser = null;
function authenticate() {
var username = arguments[0];
if (typeof username !== 'string') {
username = username.username;
}
const args = Array.from(arguments);
return api.get(username).then(function(user) {
if (user) {
if (args.length === 2) {
// Username/password authentication
var password = args[1];
return new Promise(function(resolve,reject) {
bcrypt.compare(password, user.password, function(err, res) {
resolve(res?cleanUser(user):null);
});
});
} else {
// Try to extract common profile information
if (args[0].hasOwnProperty('photos') && args[0].photos.length > 0) {
user.image = args[0].photos[0].value;
}
return cleanUser(user);
}
}
return null;
});
}
function get(username) {
return Promise.resolve(users[username]);
}
function getDefaultUser() {
return Promise.resolve(null);
}
var api = {
get: get,
authenticate: authenticate,
default: getDefaultUser,
tokens: getDefaultUser,
tokenHeader: null
}
function init(config) {
users = {};
defaultUser = null;
if (config.type == "credentials" || config.type == "strategy") {
if (config.users) {
if (typeof config.users === "function") {
api.get = config.users;
} else {
var us = config.users;
/* istanbul ignore else */
if (!util.isArray(us)) {
us = [us];
}
for (var i=0;i<us.length;i++) {
var u = us[i];
users[u.username] = clone(u);
}
}
}
if (config.authenticate && typeof config.authenticate === "function") {
api.authenticate = config.authenticate;
} else {
api.authenticate = authenticate;
}
} else {
api.get = get;
api.authenticate = authenticate;
api.default = api.default;
}
if (config.default) {
if (typeof config.default === "function") {
api.default = config.default;
} else {
api.default = function() {
return Promise.resolve({
"anonymous": true,
"permissions":config.default.permissions
});
}
}
} else {
api.default = getDefaultUser;
}
if (config.tokens && typeof config.tokens === "function") {
api.tokens = config.tokens;
if (config.tokenHeader && typeof config.tokenHeader === "string") {
api.tokenHeader = config.tokenHeader.toLowerCase();
} else {
api.tokenHeader = "authorization";
}
}
}
function cleanUser(user) {
if (user && user.hasOwnProperty('password')) {
user = clone(user);
delete user.password;
}
return user;
}
module.exports = {
init: init,
get: function(username) { return api.get(username).then(cleanUser)},
authenticate: function() { return api.authenticate.apply(null, arguments) },
default: function() { return api.default(); },
tokens: function(token) { return api.tokens(token); },
tokenHeader: function() { return api.tokenHeader }
};