From eddf8a3a33cde7d373775713cae9a431322b673d Mon Sep 17 00:00:00 2001
From: Sheogorath <sheogorath@shivering-isles.com>
Date: Tue, 30 Jan 2018 21:06:34 +0100
Subject: [PATCH] Fix uncaught exception for non-existent user

Since we added user management it's possible to get non-existent users
which can cause a crash of the Backend server.

Signed-off-by: Sheogorath <sheogorath@shivering-isles.com>
---
 lib/web/auth/index.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/web/auth/index.js b/lib/web/auth/index.js
index db5ff11d..9ab62c25 100644
--- a/lib/web/auth/index.js
+++ b/lib/web/auth/index.js
@@ -21,6 +21,11 @@ passport.deserializeUser(function (id, done) {
       id: id
     }
   }).then(function (user) {
+    // Don't die on non-existent user
+    if (user == null) {
+      return done(null, false, { message: 'Invalid UserID' })
+    }
+
     logger.info('deserializeUser: ' + user.id)
     return done(null, user)
   }).catch(function (err) {