made the loopback check more robust

lib/ddns/index.js

@@ -142,8 +142,9 @@ module.exports.create = function (deps, conf) {
 
     // If we are on a public address or all ports we are listening on are forwarded to us then
     // we don't need the tunnel and we can set the DNS records for all our domains to our public
-    // address. Otherwise we need to use the tunnel to accept traffic.
-    if (!notLooped.length) {
+    // address. Otherwise we need to use the tunnel to accept traffic. Also since the tunnel will
+    // only be listening on ports 80 and 443 if those are forwarded to us we don't want the tunnel.
+    if (!notLooped.length || (loopResult.ports['80'] && loopResult.ports['443'])) {
       if (tunnelActive) {
         await disconnectTunnels();
       }

lib/ddns/loopback.js

@@ -17,6 +17,9 @@ module.exports.create = function (deps, conf) {
       // Note that the error on the body will probably have a message that overwrites the default
       throw Object.assign(new Error('error in check IP response'), result.body.error);
     }
+    if (!result.body.address) {
+      throw new Error("public address resonse doesn't contain address: "+JSON.stringify(result.body));
+    }
     return result.body.address;
   }
   async function checkPublicAddr(provider) {
@@ -33,12 +36,14 @@ module.exports.create = function (deps, conf) {
     var reqObj = {
       method: 'POST'
     , url: deps.OAUTH3.url.normalize(host)+'/api/org.oauth3.tunnel/loopback'
+    , timeout: 20*1000
     , json: {
         address: address
       , port: port
       , token: token
       , keyAuthorization: keyAuth
       , iat: Date.now()
+      , timeout: 18*1000
       }
     };
 
@@ -47,12 +52,18 @@ module.exports.create = function (deps, conf) {
       result = await deps.request(reqObj);
     } catch (err) {
       delete pending[token];
-      throw err;
+      if (conf.debug) {
+        console.log('error making loopback request for port ' + port + ' loopback', err.message);
+      }
+      return false;
     }
 
     delete pending[token];
     if (!result.body) {
-      throw new Error('No response body in loopback request for port '+port);
+      if (conf.debug) {
+        console.log('No response body in loopback request for port '+port);
+      }
+      return false;
     }
     // If the loopback requests don't go to us then there are all kinds of ways it could
     // error, but none of them really provide much extra information so we don't do
@@ -75,7 +86,7 @@ module.exports.create = function (deps, conf) {
       return checkSinglePort(directives.api, address, port);
     }));
 
-    if (conf.debug) {
+    if (conf.debug && Object.keys(pending).length) {
       console.log('remaining loopback tokens', pending);
     }