Avoid timeout in accounts.cryptpad.fr caused by the auth app

www/auth/main.js

@@ -27,25 +27,22 @@ define([
                                           sessionStorage[Constants.userHashKey];
 
     var proxy;
-    nThen(function (waitFor) {
-        Cryptpad.ready(waitFor());
-    }).nThen(function (waitFor) {
-        Cryptpad.getUserObject(waitFor(function (obj) {
-            proxy = obj;
-        }));
-    }).nThen(function () {
-        console.log('IFRAME READY');
-        Test(function () {
-            // This is only here to maybe trigger an error.
-            window.drive = proxy['drive'];
-            Test.passed();
-        });
+
+    var whenReady = function (cb) {
+        if (proxy) { return void cb(); }
+        console.log('CryptPad not ready...');
+        setTimeout(function () {
+            whenReady(cb);
+        }, 100);
+    };
+
     $(window).on("message", function (jqe) {
         var evt = jqe.originalEvent;
         var data = JSON.parse(evt.data);
         var domain = evt.origin;
         var srcWindow = evt.source;
         var ret = { txid: data.txid };
+        console.log('CP receiving', data);
         if (data.cmd === 'PING') {
             ret.res = 'PONG';
         } else if (data.cmd === 'SIGN') {
@@ -54,22 +51,41 @@ define([
             } else if (!LocalStore.isLoggedIn()) {
                 ret.error = "NOT_LOGGED_IN";
             } else {
+                return void whenReady(function () {
                     var sig = signMsg(data.data, proxy.edPrivate);
                     ret.res = {
                         uname: proxy.login_name,
                         edPublic: proxy.edPublic,
                         sig: sig
                     };
+                    srcWindow.postMessage(JSON.stringify(ret), domain);
+                });
             }
         } else if (data.cmd === 'UPDATE_LIMIT') {
-                return Cryptpad.updatePinLimit(function (e, limit, plan, note) {
+            return void whenReady(function () {
+                Cryptpad.updatePinLimit(function (e, limit, plan, note) {
                     ret.res = [limit, plan, note];
                     srcWindow.postMessage(JSON.stringify(ret), domain);
                 });
+            });
         } else {
             ret.error = "UNKNOWN_CMD";
         }
         srcWindow.postMessage(JSON.stringify(ret), domain);
     });
+
+    nThen(function (waitFor) {
+        Cryptpad.ready(waitFor());
+    }).nThen(function (waitFor) {
+        Cryptpad.getUserObject(waitFor(function (obj) {
+            proxy = obj;
+        }));
+    }).nThen(function () {
+        console.log('IFRAME READY');
+        Test(function () {
+            // This is only here to maybe trigger an error.
+            window.drive = proxy['drive'];
+            Test.passed();
+        });
     });
 });