From 106e17f7ff5c7a12b1c2b27659b1b4eede490fea Mon Sep 17 00:00:00 2001
From: Girish Ramakrishnan <girish@cloudron.io>
Date: Sun, 17 Jun 2018 22:22:03 -0700
Subject: [PATCH] caas: verify dns config

this is so that it fails if someone gives invalid token via API call
---
 src/dns/caas.js | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/dns/caas.js b/src/dns/caas.js
index 7c664e1fe..455383afe 100644
--- a/src/dns/caas.js
+++ b/src/dns/caas.js
@@ -133,5 +133,19 @@ function verifyDnsConfig(dnsConfig, domain, zoneName, ip, callback) {
         fqdn: domain
     };
 
-    return callback(null, credentials);
+    const testSubdomain = 'cloudrontestdns';
+
+    upsert(credentials, zoneName, testSubdomain, 'A', [ ip ], function (error, changeId) {
+        if (error) return callback(error);
+
+        debug('verifyDnsConfig: Test A record added with change id %s', changeId);
+
+        del(credentials, zoneName, testSubdomain, 'A', [ ip ], function (error) {
+            if (error) return callback(error);
+
+            debug('verifyDnsConfig: Test A record removed again');
+
+            callback(null, credentials);
+        });
+    });
 }