request remote_addr only when using the comment form

isso/js/app/api.js

@@ -5,7 +5,7 @@ define(["q"], function(Q) {
     Q.stopUnhandledRejectionTracking();
     Q.longStackSupport = true;
 
-    var endpoint = null, remote_addr = null,
+    var endpoint = null,
         salt = "Eech7co8Ohloopo9Ol6baimi",
         location = window.location.pathname;
 
@@ -163,15 +163,18 @@ define(["q"], function(Q) {
         });
     };
 
-    remote_addr = curl("GET", endpoint + "/check-ip", null).then(function(rv) {
-        return rv.body;
-    });
+    var remote_addr = function() {
+        return curl("GET", endpoint + "/check-ip", null).then(function(rv) {
+                return rv.body;
+         });
+    };
 
     return {
         endpoint: endpoint,
-        remote_addr: remote_addr,
         salt: salt,
 
+        remote_addr: remote_addr,
+
         create: create,
         modify: modify,
         remove: remove,

isso/js/app/isso.js

@@ -18,7 +18,7 @@ define(["app/text/html", "app/dom", "app/utils", "app/api", "app/markup", "app/i
         $(".textarea-wrapper > textarea", el).on("focus", function() {
             if ($(".avatar svg", el).getAttribute("className") === "blank") {
                 $(".avatar svg", el).replace(
-                    lib.identicons.generate(lib.pbkdf2(api.remote_addr, api.salt, 1000, 6), 4, 48));
+                    lib.identicons.generate(lib.pbkdf2(api.remote_addr(), api.salt, 1000, 6), 4, 48));
             }
         });
 
@@ -29,7 +29,7 @@ define(["app/text/html", "app/dom", "app/utils", "app/api", "app/markup", "app/i
                 clearTimeout(active);
             }
             active = setTimeout(function() {
-                lib.pbkdf2($(".input-wrapper > [type=email]", el).value || api.remote_addr, api.salt, 1000, 6)
+                lib.pbkdf2($(".input-wrapper > [type=email]", el).value || api.remote_addr(), api.salt, 1000, 6)
                 .then(function(rv) {
                     $(".avatar svg", el).replace(lib.identicons.generate(rv, 4, 48));
                 });