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1 | import * as express from 'express' | |
2 | import * as OAuthServer from 'express-oauth-server' | |
3 | import 'express-validator' | |
4 | import { OAUTH_LIFETIME } from '../initializers' | |
5 | import { logger } from '../helpers/logger' | |
6 | import { Socket } from 'socket.io' | |
7 | import { getAccessToken } from '../lib/oauth-model' | |
8 | ||
9 | const oAuthServer = new OAuthServer({ | |
10 | useErrorHandler: true, | |
11 | accessTokenLifetime: OAUTH_LIFETIME.ACCESS_TOKEN, | |
12 | refreshTokenLifetime: OAUTH_LIFETIME.REFRESH_TOKEN, | |
13 | model: require('../lib/oauth-model') | |
14 | }) | |
15 | ||
16 | function authenticate (req: express.Request, res: express.Response, next: express.NextFunction) { | |
17 | oAuthServer.authenticate()(req, res, err => { | |
18 | if (err) { | |
19 | logger.warn('Cannot authenticate.', { err }) | |
20 | ||
21 | return res.status(err.status) | |
22 | .json({ | |
23 | error: 'Token is invalid.', | |
24 | code: err.name | |
25 | }) | |
26 | .end() | |
27 | } | |
28 | ||
29 | return next() | |
30 | }) | |
31 | } | |
32 | ||
33 | function authenticateSocket (socket: Socket, next: (err?: any) => void) { | |
34 | const accessToken = socket.handshake.query.accessToken | |
35 | ||
36 | logger.debug('Checking socket access token %s.', accessToken) | |
37 | ||
38 | getAccessToken(accessToken) | |
39 | .then(tokenDB => { | |
40 | const now = new Date() | |
41 | ||
42 | if (!tokenDB || tokenDB.accessTokenExpiresAt < now || tokenDB.refreshTokenExpiresAt < now) { | |
43 | return next(new Error('Invalid access token.')) | |
44 | } | |
45 | ||
46 | socket.handshake.query.user = tokenDB.User | |
47 | ||
48 | return next() | |
49 | }) | |
50 | } | |
51 | ||
52 | function authenticatePromiseIfNeeded (req: express.Request, res: express.Response) { | |
53 | return new Promise(resolve => { | |
54 | // Already authenticated? (or tried to) | |
55 | if (res.locals.oauth && res.locals.oauth.token.User) return resolve() | |
56 | ||
57 | if (res.locals.authenticated === false) return res.sendStatus(401) | |
58 | ||
59 | authenticate(req, res, () => { | |
60 | return resolve() | |
61 | }) | |
62 | }) | |
63 | } | |
64 | ||
65 | function optionalAuthenticate (req: express.Request, res: express.Response, next: express.NextFunction) { | |
66 | if (req.header('authorization')) return authenticate(req, res, next) | |
67 | ||
68 | res.locals.authenticated = false | |
69 | ||
70 | return next() | |
71 | } | |
72 | ||
73 | function token (req: express.Request, res: express.Response, next: express.NextFunction) { | |
74 | return oAuthServer.token()(req, res, err => { | |
75 | if (err) { | |
76 | return res.status(err.status) | |
77 | .json({ | |
78 | error: err.message, | |
79 | code: err.name | |
80 | }) | |
81 | .end() | |
82 | } | |
83 | ||
84 | return next() | |
85 | }) | |
86 | } | |
87 | ||
88 | // --------------------------------------------------------------------------- | |
89 | ||
90 | export { | |
91 | authenticate, | |
92 | authenticateSocket, | |
93 | authenticatePromiseIfNeeded, | |
94 | optionalAuthenticate, | |
95 | token | |
96 | } |