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Commit | Line | Data |
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591ad40c JZ |
1 | 'use strict'; |
2 | ||
3 | var passport = require('passport'), | |
dcb20866 J |
4 | path = require('path'), |
5 | safe = require('safetydance'), | |
b3ff26fb | 6 | fs = require('fs'), |
dcb20866 | 7 | bcrypt = require('bcryptjs'), |
4a27fce7 JZ |
8 | uuid = require('uuid/v4'), |
9 | BearerStrategy = require('passport-http-bearer').Strategy, | |
47ba3ae4 | 10 | ldapjs = require('ldapjs'), |
bcee8931 | 11 | HttpError = require('connect-lastmile').HttpError, |
7af3d855 JZ |
12 | HttpSuccess = require('connect-lastmile').HttpSuccess, |
13 | webdavErrors = require('webdav-server').v2.Errors; | |
591ad40c | 14 | |
b979e487 JZ |
15 | const LDAP_URL = process.env.CLOUDRON_LDAP_URL; |
16 | const LDAP_USERS_BASE_DN = process.env.CLOUDRON_LDAP_USERS_BASE_DN; | |
b3ff26fb JZ |
17 | const LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json'); |
18 | const TOKENSTORE_FILE = path.resolve(process.env.TOKENSTORE_FILE || './.tokens.json'); | |
47ba3ae4 JZ |
19 | const AUTH_METHOD = (LDAP_URL && LDAP_USERS_BASE_DN) ? 'ldap' : 'local'; |
20 | ||
21 | if (AUTH_METHOD === 'ldap') { | |
22 | console.log('Use ldap auth'); | |
23 | } else { | |
24 | console.log(`Use local auth file ${LOCAL_AUTH_FILE}`); | |
25 | } | |
dcb20866 | 26 | |
bcee8931 JZ |
27 | var tokenStore = { |
28 | data: {}, | |
b3ff26fb JZ |
29 | save: function () { |
30 | try { | |
31 | fs.writeFileSync(TOKENSTORE_FILE, JSON.stringify(tokenStore.data), 'utf-8'); | |
32 | } catch (e) { | |
33 | console.error(`Unable to save tokenstore file at ${TOKENSTORE_FILE}`, e); | |
34 | } | |
35 | }, | |
bcee8931 JZ |
36 | get: function (token, callback) { |
37 | callback(tokenStore.data[token] ? null : 'not found', tokenStore.data[token]); | |
38 | }, | |
39 | set: function (token, data, callback) { | |
40 | tokenStore.data[token] = data; | |
b3ff26fb | 41 | tokenStore.save(); |
bcee8931 JZ |
42 | callback(null); |
43 | }, | |
44 | del: function (token, callback) { | |
45 | delete tokenStore.data[token]; | |
b3ff26fb | 46 | tokenStore.save(); |
bcee8931 JZ |
47 | callback(null); |
48 | } | |
49 | }; | |
50 | ||
b3ff26fb JZ |
51 | // load token store data if any |
52 | try { | |
53 | console.log(`Using tokenstore file: ${TOKENSTORE_FILE}`); | |
54 | tokenStore.data = JSON.parse(fs.readFileSync(TOKENSTORE_FILE, 'utf-8')); | |
55 | } catch (e) { | |
56 | // start with empty token store | |
bcee8931 | 57 | } |
4a27fce7 JZ |
58 | |
59 | function issueAccessToken() { | |
60 | return function (req, res, next) { | |
61 | var accessToken = uuid(); | |
62 | ||
bcee8931 JZ |
63 | tokenStore.set(accessToken, req.user, function (error) { |
64 | if (error) return next(new HttpError(500, error)); | |
65 | next(new HttpSuccess(201, { accessToken: accessToken, user: req.user })); | |
66 | }); | |
4a27fce7 JZ |
67 | }; |
68 | } | |
69 | ||
a90a633f JZ |
70 | passport.serializeUser(function (user, done) { |
71 | console.log('serializeUser', user); | |
cfe24a27 | 72 | done(null, user.uid); |
a90a633f JZ |
73 | }); |
74 | ||
75 | passport.deserializeUser(function (id, done) { | |
76 | console.log('deserializeUser', id); | |
cfe24a27 | 77 | done(null, { uid: id }); |
a90a633f JZ |
78 | }); |
79 | ||
47ba3ae4 JZ |
80 | function verifyUser(username, password, callback) { |
81 | if (AUTH_METHOD === 'ldap') { | |
b979e487 | 82 | var ldapClient = ldapjs.createClient({ url: process.env.CLOUDRON_LDAP_URL }); |
47ba3ae4 JZ |
83 | ldapClient.on('error', function (error) { |
84 | console.error('LDAP error', error); | |
85 | }); | |
591ad40c | 86 | |
b979e487 | 87 | ldapClient.bind(process.env.CLOUDRON_LDAP_BIND_DN, process.env.CLOUDRON_LDAP_BIND_PASSWORD, function (error) { |
47ba3ae4 | 88 | if (error) return callback(error); |
591ad40c | 89 | |
47ba3ae4 | 90 | var filter = `(|(uid=${username})(mail=${username})(username=${username})(sAMAccountName=${username}))`; |
b979e487 | 91 | ldapClient.search(process.env.CLOUDRON_LDAP_USERS_BASE_DN, { filter: filter }, function (error, result) { |
47ba3ae4 | 92 | if (error) return callback(error); |
a90a633f | 93 | |
47ba3ae4 | 94 | var items = []; |
dcb20866 | 95 | |
47ba3ae4 JZ |
96 | result.on('searchEntry', function(entry) { items.push(entry.object); }); |
97 | result.on('error', callback); | |
98 | result.on('end', function (result) { | |
8dc61bb6 | 99 | if (result.status !== 0 || items.length === 0) return callback('Invalid credentials'); |
4a27fce7 | 100 | |
47ba3ae4 JZ |
101 | // pick the first found |
102 | var user = items[0]; | |
4a27fce7 | 103 | |
47ba3ae4 JZ |
104 | ldapClient.bind(user.dn, password, function (error) { |
105 | if (error) return callback('Invalid credentials'); | |
106 | ||
107 | callback(null, { username: username }); | |
108 | }); | |
109 | }); | |
4a27fce7 | 110 | }); |
47ba3ae4 JZ |
111 | }); |
112 | } else { | |
113 | var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE)); | |
114 | if (!users || !users[username]) return callback('Invalid credentials'); | |
115 | ||
116 | bcrypt.compare(password, users[username].passwordHash, function (error, valid) { | |
117 | if (error || !valid) return callback('Invalid credentials'); | |
118 | ||
119 | callback(null, { username: username }); | |
120 | }); | |
121 | } | |
591ad40c JZ |
122 | } |
123 | ||
47ba3ae4 JZ |
124 | exports.login = [ |
125 | function (req, res, next) { | |
126 | verifyUser(req.body.username, req.body.password, function (error, user) { | |
127 | if (error) return next(new HttpError(401, 'Invalid credentials')); | |
591ad40c | 128 | |
47ba3ae4 JZ |
129 | req.user = user; |
130 | ||
131 | next(); | |
132 | }); | |
133 | }, | |
134 | issueAccessToken() | |
135 | ]; | |
4a27fce7 JZ |
136 | |
137 | exports.verify = passport.authenticate('bearer', { session: false }); | |
138 | ||
139 | passport.use(new BearerStrategy(function (token, done) { | |
bcee8931 JZ |
140 | tokenStore.get(token, function (error, result) { |
141 | if (error) { | |
142 | console.error(error); | |
143 | return done(null, false); | |
144 | } | |
145 | ||
146 | done(null, result, { accessToken: token }); | |
147 | }); | |
4a27fce7 JZ |
148 | })); |
149 | ||
150 | exports.logout = function (req, res, next) { | |
bcee8931 JZ |
151 | tokenStore.del(req.authInfo.accessToken, function (error) { |
152 | if (error) console.error(error); | |
4a27fce7 | 153 | |
bcee8931 JZ |
154 | next(new HttpSuccess(200, {})); |
155 | }); | |
4a27fce7 JZ |
156 | }; |
157 | ||
158 | exports.getProfile = function (req, res, next) { | |
159 | next(new HttpSuccess(200, { username: req.user.username })); | |
160 | }; | |
7af3d855 JZ |
161 | |
162 | // webdav usermanager | |
163 | exports.WebdavUserManager = WebdavUserManager; | |
164 | ||
165 | // This implements the required interface only for the Basic Authentication for webdav-server | |
166 | function WebdavUserManager() {}; | |
167 | ||
168 | WebdavUserManager.prototype.getDefaultUser = function (callback) { | |
169 | // this is only a dummy user, since we always require authentication | |
170 | var user = { | |
171 | username: 'DefaultUser', | |
172 | password: null, | |
173 | isAdministrator: false, | |
174 | isDefaultUser: true, | |
175 | uid: 'DefaultUser' | |
176 | }; | |
177 | ||
178 | callback(user); | |
179 | }; | |
180 | ||
181 | WebdavUserManager.prototype.getUserByNamePassword = function (username, password, callback) { | |
47ba3ae4 JZ |
182 | verifyUser(username, password, function (error, user) { |
183 | if (error) return callback(webdavErrors.UserNotFound); | |
7af3d855 JZ |
184 | |
185 | callback(null, { | |
47ba3ae4 | 186 | username: user.username, |
7af3d855 JZ |
187 | isAdministrator: true, |
188 | isDefaultUser: false, | |
47ba3ae4 | 189 | uid: user.username |
7af3d855 JZ |
190 | }); |
191 | }); | |
192 | }; |