From 1e3fb44ea6c424fdb852754b1a0bdf17a2276b78 Mon Sep 17 00:00:00 2001
From: lesion <lesion@autistici.org>
Date: Fri, 10 Aug 2018 00:31:44 +0200
Subject: [PATCH] minor

---
 routes/tor.js | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/routes/tor.js b/routes/tor.js
index 04700e3..c2d8d64 100644
--- a/routes/tor.js
+++ b/routes/tor.js
@@ -5,11 +5,15 @@ const lookup = promisify(dns.lookup)
 // https://www.torproject.org/projects/tordnsel.html.en
 // check if request comes from tor
 module.exports = async (req, res, next) => {
-    const source_ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress
-    const ip = source_ip.split('.').reverse().join('.')
-    const server_ip = '51.68.126.235'.split('.').reverse().join('.')
-    const domain = `${ip}.80.${server_ip}.ip-port.exitlist.torproject.org`
+  const source_ip = req.headers['x-forwarded-for'] || req.connection.remoteAddress
+  const ip = source_ip.split('.').reverse().join('.')
+  const server_ip = '51.68.126.235'.split('.').reverse().join('.')
+  const domain = `${ip}.80.${server_ip}.ip-port.exitlist.torproject.org`
+  try {
     const ret = await lookup(domain, {})
     req.fromTor = (ret.address === '127.0.0.2')
-    next()
+  } catch(e) {
+    req.fromTor = false
+  }
+  next()
 }