Add more safeguards for socket errors

lib/get-info.js

@@ -34,6 +34,12 @@ const CONTENT_TYPES = {
 
 var urlRetrieve = function (transport, options, callback) {
     var req = transport.request(options, function (res) {
+        res.on("error", function (err) {
+            Logger.errlog.log("HTTP response " + options.host + options.path + " failed: "+
+                err);
+            callback(503, "");
+        });
+
         var buffer = "";
         res.setEncoding("utf-8");
         res.on("data", function (chunk) {
@@ -979,17 +985,15 @@ function vimeoWorkaround(id, cb) {
             }
         };
 
-        http.get(options, function (res) {
-            res.setEncoding("utf-8");
-            var buffer = "";
+        urlRetrieve(http, options, function (status, buffer) {
+            if (status !== 200) {
+                setImmediate(function () {
+                    cb({});
+                });
+                return;
+            }
 
-            res.on("data", function (data) {
-                buffer += data;
-            });
-
-            res.on("end", function () {
-                parse(buffer);
-            });
+            parse(buffer);
         });
     };
 

lib/io/ioserver.js

@@ -217,7 +217,15 @@ module.exports = {
             if (id in srv.servers) {
                 io.attach(srv.servers[id]);
             } else {
-                io.attach(require("http").createServer().listen(bind.port, bind.ip));
+                var server = require("http").createServer().listen(bind.port, bind.ip);
+                server.on("clientError", function (err, socket) {
+                    Logger.errlog.log("clientError on " + id + " - " + err);
+                    try {
+                        socket.destroy();
+                    } catch (e) {
+                    }
+                });
+                io.attach(server);
             }
 
             bound[id] = null;

lib/server.js

@@ -85,8 +85,22 @@ var Server = function () {
         if (bind.https && Config.get("https.enabled")) {
             self.servers[id] = https.createServer(opts, self.express)
                                     .listen(bind.port, bind.ip);
+            self.servers[id].on("clientError", function (err, socket) {
+                Logger.errlog.log("clientError on " + id + " - " + err);
+                try {
+                    socket.destroy();
+                } catch (e) {
+                }
+            });
         } else if (bind.http) {
             self.servers[id] = self.express.listen(bind.port, bind.ip);
+            self.servers[id].on("clientError", function (err, socket) {
+                Logger.errlog.log("clientError on " + id + " - " + err);
+                try {
+                    socket.destroy();
+                } catch (e) {
+                }
+            });
         }
     });