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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, | |
10 | LdapStrategy = require('passport-ldapjs').Strategy, | |
bcee8931 | 11 | HttpError = require('connect-lastmile').HttpError, |
4a27fce7 | 12 | HttpSuccess = require('connect-lastmile').HttpSuccess; |
591ad40c | 13 | |
b3ff26fb JZ |
14 | const LOCAL_AUTH_FILE = path.resolve(process.env.LOCAL_AUTH_FILE || './.users.json'); |
15 | const TOKENSTORE_FILE = path.resolve(process.env.TOKENSTORE_FILE || './.tokens.json'); | |
dcb20866 | 16 | |
bcee8931 JZ |
17 | var tokenStore = { |
18 | data: {}, | |
b3ff26fb JZ |
19 | save: function () { |
20 | try { | |
21 | fs.writeFileSync(TOKENSTORE_FILE, JSON.stringify(tokenStore.data), 'utf-8'); | |
22 | } catch (e) { | |
23 | console.error(`Unable to save tokenstore file at ${TOKENSTORE_FILE}`, e); | |
24 | } | |
25 | }, | |
bcee8931 JZ |
26 | get: function (token, callback) { |
27 | callback(tokenStore.data[token] ? null : 'not found', tokenStore.data[token]); | |
28 | }, | |
29 | set: function (token, data, callback) { | |
30 | tokenStore.data[token] = data; | |
b3ff26fb | 31 | tokenStore.save(); |
bcee8931 JZ |
32 | callback(null); |
33 | }, | |
34 | del: function (token, callback) { | |
35 | delete tokenStore.data[token]; | |
b3ff26fb | 36 | tokenStore.save(); |
bcee8931 JZ |
37 | callback(null); |
38 | } | |
39 | }; | |
40 | ||
b3ff26fb JZ |
41 | // load token store data if any |
42 | try { | |
43 | console.log(`Using tokenstore file: ${TOKENSTORE_FILE}`); | |
44 | tokenStore.data = JSON.parse(fs.readFileSync(TOKENSTORE_FILE, 'utf-8')); | |
45 | } catch (e) { | |
46 | // start with empty token store | |
bcee8931 | 47 | } |
4a27fce7 JZ |
48 | |
49 | function issueAccessToken() { | |
50 | return function (req, res, next) { | |
51 | var accessToken = uuid(); | |
52 | ||
bcee8931 JZ |
53 | tokenStore.set(accessToken, req.user, function (error) { |
54 | if (error) return next(new HttpError(500, error)); | |
55 | next(new HttpSuccess(201, { accessToken: accessToken, user: req.user })); | |
56 | }); | |
4a27fce7 JZ |
57 | }; |
58 | } | |
59 | ||
a90a633f JZ |
60 | passport.serializeUser(function (user, done) { |
61 | console.log('serializeUser', user); | |
cfe24a27 | 62 | done(null, user.uid); |
a90a633f JZ |
63 | }); |
64 | ||
65 | passport.deserializeUser(function (id, done) { | |
66 | console.log('deserializeUser', id); | |
cfe24a27 | 67 | done(null, { uid: id }); |
a90a633f JZ |
68 | }); |
69 | ||
591ad40c JZ |
70 | var LDAP_URL = process.env.LDAP_URL; |
71 | var LDAP_USERS_BASE_DN = process.env.LDAP_USERS_BASE_DN; | |
72 | ||
73 | if (LDAP_URL && LDAP_USERS_BASE_DN) { | |
b3ff26fb | 74 | console.log('Using ldap auth'); |
591ad40c | 75 | |
4a27fce7 | 76 | exports.login = [ passport.authenticate('ldap'), issueAccessToken() ]; |
591ad40c | 77 | } else { |
b3ff26fb | 78 | console.log(`Using local user file: ${LOCAL_AUTH_FILE}`); |
a90a633f | 79 | |
4a27fce7 JZ |
80 | exports.login = [ |
81 | function (req, res, next) { | |
82 | var users = safe.JSON.parse(safe.fs.readFileSync(LOCAL_AUTH_FILE)); | |
83 | if (!users) return res.send(401); | |
9b7a26fc | 84 | if (!users[req.body.username]) return res.send(401); |
dcb20866 | 85 | |
9b7a26fc | 86 | bcrypt.compare(req.body.password, users[req.body.username].passwordHash, function (error, valid) { |
4a27fce7 JZ |
87 | if (error || !valid) return res.send(401); |
88 | ||
89 | req.user = { | |
9b7a26fc | 90 | username: req.body.username |
4a27fce7 JZ |
91 | }; |
92 | ||
93 | next(); | |
94 | }); | |
95 | }, | |
96 | issueAccessToken() | |
97 | ]; | |
591ad40c JZ |
98 | } |
99 | ||
100 | var opts = { | |
101 | server: { | |
102 | url: LDAP_URL, | |
103 | }, | |
104 | base: LDAP_USERS_BASE_DN, | |
105 | search: { | |
b99589fc | 106 | filter: '(|(username={{username}})(mail={{username}}))', |
591ad40c JZ |
107 | attributes: ['displayname', 'username', 'mail', 'uid'], |
108 | scope: 'sub' | |
109 | }, | |
a90a633f | 110 | uidTag: 'cn', |
591ad40c JZ |
111 | usernameField: 'username', |
112 | passwordField: 'password', | |
113 | }; | |
114 | ||
115 | passport.use(new LdapStrategy(opts, function (profile, done) { | |
591ad40c JZ |
116 | done(null, profile); |
117 | })); | |
4a27fce7 JZ |
118 | |
119 | exports.verify = passport.authenticate('bearer', { session: false }); | |
120 | ||
121 | passport.use(new BearerStrategy(function (token, done) { | |
bcee8931 JZ |
122 | tokenStore.get(token, function (error, result) { |
123 | if (error) { | |
124 | console.error(error); | |
125 | return done(null, false); | |
126 | } | |
127 | ||
128 | done(null, result, { accessToken: token }); | |
129 | }); | |
4a27fce7 JZ |
130 | })); |
131 | ||
132 | exports.logout = function (req, res, next) { | |
bcee8931 JZ |
133 | tokenStore.del(req.authInfo.accessToken, function (error) { |
134 | if (error) console.error(error); | |
4a27fce7 | 135 | |
bcee8931 JZ |
136 | next(new HttpSuccess(200, {})); |
137 | }); | |
4a27fce7 JZ |
138 | }; |
139 | ||
140 | exports.getProfile = function (req, res, next) { | |
141 | next(new HttpSuccess(200, { username: req.user.username })); | |
142 | }; |