1 files changed, 38 insertions, 0 deletions

diff --git a/server/middlewares/oauth.ts b/server/middlewares/oauth.ts
index 5233b66bd..1d193d467 100644
--- a/server/middlewares/oauth.ts
+++ b/server/middlewares/oauth.ts
@@ -3,6 +3,8 @@ import * as OAuthServer from 'express-oauth-server'
 import 'express-validator'
 import { OAUTH_LIFETIME } from '../initializers'
 import { logger } from '../helpers/logger'
+import { Socket } from 'socket.io'
+import { getAccessToken } from '../lib/oauth-model'
 
 const oAuthServer = new OAuthServer({
   useErrorHandler: true,
@@ -28,9 +30,43 @@ function authenticate (req: express.Request, res: express.Response, next: expres
   })
 }
 
+function authenticateSocket (socket: Socket, next: (err?: any) => void) {
+  const accessToken = socket.handshake.query.accessToken
+
+  logger.debug('Checking socket access token %s.', accessToken)
+
+  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) {
+  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, () => {
+      return resolve()
+    })
+  })
+}
+
 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()
 }
 
@@ -53,6 +89,8 @@ function token (req: express.Request, res: express.Response, next: express.NextF
 
 export {
   authenticate,
+  authenticateSocket,
+  authenticatePromiseIfNeeded,
   optionalAuthenticate,
   token
 }