import * as express from 'express' import * as OAuthServer from 'express-oauth-server' import { OAUTH_LIFETIME } from '../initializers/constants' import { logger } from '../helpers/logger' import { Socket } from 'socket.io' import { getAccessToken } from '../lib/oauth-model' const oAuthServer = new OAuthServer({ useErrorHandler: true, accessTokenLifetime: OAUTH_LIFETIME.ACCESS_TOKEN, refreshTokenLifetime: OAUTH_LIFETIME.REFRESH_TOKEN, model: require('../lib/oauth-model') }) function authenticate (req: express.Request, res: express.Response, next: express.NextFunction, authenticateInQuery = false) { const options = authenticateInQuery ? { allowBearerTokensInQueryString: true } : {} oAuthServer.authenticate(options)(req, res, err => { if (err) { logger.warn('Cannot authenticate.', { err }) return res.status(err.status) .json({ error: 'Token is invalid.', code: err.name }) .end() } return next() }) } function authenticateSocket (socket: Socket, next: (err?: any) => void) { const accessToken = socket.handshake.query.accessToken logger.debug('Checking socket access token %s.', accessToken) if (!accessToken) return next(new Error('No access token provided')) getAccessToken(accessToken) .then(tokenDB => { const now = new Date() if (!tokenDB || tokenDB.accessTokenExpiresAt < now || tokenDB.refreshTokenExpiresAt < now) { return next(new Error('Invalid access token.')) } socket.handshake.query.user = tokenDB.User return next() }) } function authenticatePromiseIfNeeded (req: express.Request, res: express.Response, authenticateInQuery = false) { return new Promise(resolve => { // Already authenticated? (or tried to) if (res.locals.oauth && res.locals.oauth.token.User) return resolve() if (res.locals.authenticated === false) return res.sendStatus(401) authenticate(req, res, () => resolve(), authenticateInQuery) }) } function optionalAuthenticate (req: express.Request, res: express.Response, next: express.NextFunction) { if (req.header('authorization')) return authenticate(req, res, next) res.locals.authenticated = false return next() } function token (req: express.Request, res: express.Response, next: express.NextFunction) { return oAuthServer.token()(req, res, err => { if (err) { return res.status(err.status) .json({ error: err.message, code: err.name }) .end() } return next() }) } // --------------------------------------------------------------------------- export { authenticate, authenticateSocket, authenticatePromiseIfNeeded, optionalAuthenticate, token }