'use strict';
var passport = require('passport'),
- LdapStrategy = require('passport-ldapjs').Strategy;
+ path = require('path'),
+ safe = require('safetydance'),
+ fs = require('fs'),
+ bcrypt = require('bcryptjs'),
+ uuid = require('uuid/v4'),
+ BearerStrategy = require('passport-http-bearer').Strategy,
+ ldapjs = require('ldapjs'),
+ HttpError = require('connect-lastmile').HttpError,
+ HttpSuccess = require('connect-lastmile').HttpSuccess,
+ webdavErrors = require('webdav-server').v2.Errors;
+
+const LDAP_URL = process.env.LDAP_URL;
+const LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN;
+const LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json');
+const TOKENSTORE_FILE = path.resolve(process.env.TOKENSTORE_FILE || './.tokens.json');
+const AUTH_METHOD = (LDAP_URL && LDAP_USERS_BASE_DN) ? 'ldap' : 'local';
+
+if (AUTH_METHOD === 'ldap') {
+ console.log('Use ldap auth');
+} else {
+ console.log(`Use local auth file ${LOCAL_AUTH_FILE}`);
+}
+
+var tokenStore = {
+ data: {},
+ save: function () {
+ try {
+ fs.writeFileSync(TOKENSTORE_FILE, JSON.stringify(tokenStore.data), 'utf-8');
+ } catch (e) {
+ console.error(`Unable to save tokenstore file at ${TOKENSTORE_FILE}`, e);
+ }
+ },
+ get: function (token, callback) {
+ callback(tokenStore.data[token] ? null : 'not found', tokenStore.data[token]);
+ },
+ set: function (token, data, callback) {
+ tokenStore.data[token] = data;
+ tokenStore.save();
+ callback(null);
+ },
+ del: function (token, callback) {
+ delete tokenStore.data[token];
+ tokenStore.save();
+ callback(null);
+ }
+};
+
+// load token store data if any
+try {
+ console.log(`Using tokenstore file: ${TOKENSTORE_FILE}`);
+ tokenStore.data = JSON.parse(fs.readFileSync(TOKENSTORE_FILE, 'utf-8'));
+} catch (e) {
+ // start with empty token store
+}
+
+function issueAccessToken() {
+ return function (req, res, next) {
+ var accessToken = uuid();
+
+ tokenStore.set(accessToken, req.user, function (error) {
+ if (error) return next(new HttpError(500, error));
+ next(new HttpSuccess(201, { accessToken: accessToken, user: req.user }));
+ });
+ };
+}
passport.serializeUser(function (user, done) {
console.log('serializeUser', user);
done(null, { uid: id });
});
-var LDAP_URL = process.env.LDAP_URL;
-var LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN;
+function verifyUser(username, password, callback) {
+ if (AUTH_METHOD === 'ldap') {
+ var ldapClient = ldapjs.createClient({ url: process.env.LDAP_URL });
+ ldapClient.on('error', function (error) {
+ console.error('LDAP error', error);
+ });
-if (LDAP_URL && LDAP_USERS_BASE_DN) {
- console.log('Enable ldap auth');
+ ldapClient.bind(process.env.LDAP_BIND_DN, process.env.LDAP_BIND_PASSWORD, function (error) {
+ if (error) return callback(error);
- exports.ldap = passport.authenticate('ldap');
-} else {
- exports.ldap = function (req, res, next) {
- console.log('Disable ldap auth, use developer credentials!');
+ var filter = `(|(uid=${username})(mail=${username})(username=${username})(sAMAccountName=${username}))`;
+ ldapClient.search(process.env.LDAP_USERS_BASE_DN, { filter: filter }, function (error, result) {
+ if (error) return callback(error);
- if (req.query.username !== 'username') return res.send(401);
- if (req.query.password !== 'password') return res.send(401);
+ var items = [];
- next();
- };
+ result.on('searchEntry', function(entry) { items.push(entry.object); });
+ result.on('error', callback);
+ result.on('end', function (result) {
+ if (result.status !== 0 || items.length === 0) return callback(error);
+
+ // pick the first found
+ var user = items[0];
+
+ ldapClient.bind(user.dn, password, function (error) {
+ if (error) return callback('Invalid credentials');
+
+ callback(null, { username: username });
+ });
+ });
+ });
+ });
+ } else {
+ var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE));
+ if (!users || !users[username]) return callback('Invalid credentials');
+
+ bcrypt.compare(password, users[username].passwordHash, function (error, valid) {
+ if (error || !valid) return callback('Invalid credentials');
+
+ callback(null, { username: username });
+ });
+ }
}
-var opts = {
- server: {
- url: LDAP_URL,
- },
- base: LDAP_USERS_BASE_DN,
- search: {
- filter: '(uid={{username}})',
- attributes: ['displayname', 'username', 'mail', 'uid'],
- scope: 'sub'
+exports.login = [
+ function (req, res, next) {
+ verifyUser(req.body.username, req.body.password, function (error, user) {
+ if (error) return next(new HttpError(401, 'Invalid credentials'));
+
+ req.user = user;
+
+ next();
+ });
},
- uidTag: 'cn',
- usernameField: 'username',
- passwordField: 'password',
-};
+ issueAccessToken()
+];
+
+exports.verify = passport.authenticate('bearer', { session: false });
-passport.use(new LdapStrategy(opts, function (profile, done) {
- console.log('ldap', profile);
- done(null, profile);
+passport.use(new BearerStrategy(function (token, done) {
+ tokenStore.get(token, function (error, result) {
+ if (error) {
+ console.error(error);
+ return done(null, false);
+ }
+
+ done(null, result, { accessToken: token });
+ });
}));
+
+exports.logout = function (req, res, next) {
+ tokenStore.del(req.authInfo.accessToken, function (error) {
+ if (error) console.error(error);
+
+ next(new HttpSuccess(200, {}));
+ });
+};
+
+exports.getProfile = function (req, res, next) {
+ next(new HttpSuccess(200, { username: req.user.username }));
+};
+
+// webdav usermanager
+exports.WebdavUserManager = WebdavUserManager;
+
+// This implements the required interface only for the Basic Authentication for webdav-server
+function WebdavUserManager() {};
+
+WebdavUserManager.prototype.getDefaultUser = function (callback) {
+ // this is only a dummy user, since we always require authentication
+ var user = {
+ username: 'DefaultUser',
+ password: null,
+ isAdministrator: false,
+ isDefaultUser: true,
+ uid: 'DefaultUser'
+ };
+
+ callback(user);
+};
+
+WebdavUserManager.prototype.getUserByNamePassword = function (username, password, callback) {
+ verifyUser(username, password, function (error, user) {
+ if (error) return callback(webdavErrors.UserNotFound);
+
+ callback(null, {
+ username: user.username,
+ isAdministrator: true,
+ isDefaultUser: false,
+ uid: user.username
+ });
+ });
+};
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