http request node add transport validity check and warn.

nodes/core/io/21-httprequest.html

@@ -103,7 +103,7 @@
             name: {value:""},
             method:{value:"GET"},
             ret: {value:"txt"},
-            url:{value:""},
+            url:{value:"",validate:function(v) { return (v.trim().length === 0) || (v.indexOf("://") === -1) || (v.trim().indexOf("http") === 0)} },
             tls: {type:"tls-config",required: false}
         },
         credentials: {
@@ -112,6 +112,9 @@
         },
         inputs:1,
         outputs:1,
+        outputLabels: function(i) {
+            return ({txt:"UTF8 string", bin:"binary buffer", obj:"parsed JSON object"}[this.ret]);
+        },
         icon: "white-globe.png",
         label: function() {
             return this.name||this._("httpin.httpreq");

nodes/core/io/21-httprequest.js

@@ -53,9 +53,13 @@ module.exports = function(RED) {
             }
             if (!url) {
                 node.error(RED._("httpin.errors.no-url"),msg);
-                return;
             }
             // url must start http:// or https:// so assume http:// if not set
+            if (url.indexOf("://") !== -1 && url.indexOf("http") !== 0) {
+                node.warn(RED._("httpin.errors.invalid-transport"));
+                node.status({fill:"red",shape:"ring",text:"httpin.errors.invalid-transport"});
+                return;
+            }
             if (!((url.indexOf("http://") === 0) || (url.indexOf("https://") === 0))) {
                 if (tlsNode) {
                     url = "https://"+url;

nodes/core/locales/en-US/messages.json

@@ -355,7 +355,8 @@
             "no-response": "No response object",
             "json-error": "JSON parse error",
             "no-url": "No url specified",
-            "deprecated-call":"Deprecated call to __method__"
+            "deprecated-call":"Deprecated call to __method__",
+            "invalid-transport":"non-http transport requested"
         },
         "status": {
             "requesting": "requesting"