don't allow editing if pad type is wrong

www/common/common-metadata.js

@@ -1,7 +1,7 @@
 define(function () {
     var module = {};
 
-    module.create = function (UserList, Title, cfg) {
+    module.create = function (UserList, Title, cfg, Cryptpad) {
         var exp = {};
 
         exp.update = function (shjson) {
@@ -15,6 +15,14 @@ define(function () {
                 metadata = json.metadata;
             }
             if (typeof metadata === "object") {
+                if (Cryptpad) {
+                    if (typeof(metadata.type) === 'undefined') {
+                        // initialize pad type by location.pathname
+                        metadata.type = Cryptpad.getAppType();
+                    }
+                } else {
+                    console.log("Cryptpad should exist but it does not");
+                }
                 if (metadata.users) {
                     var userData = metadata.users;
                     // Update the local user data

www/common/common-util.js

@@ -139,5 +139,12 @@ define([], function () {
         return Math.floor(Math.random() * Number.MAX_SAFE_INTEGER);
     };
 
+    Util.getAppType = function () {
+        var parts = window.location.pathname.split('/')
+            .filter(function (x) { return x; });
+        if (!parts[0]) { return ''; }
+        return parts[0];
+    };
+
     return Util;
 });

www/common/cryptpad-common.js

@@ -83,6 +83,7 @@ define([
     common.fetch = Util.fetch;
     common.throttle = Util.throttle;
     common.createRandomInteger = Util.createRandomInteger;
+    common.getAppType = Util.getAppType;
 
     // import hash utilities for export
     var createRandomHash = common.createRandomHash = Hash.createRandomHash;
@@ -906,18 +907,12 @@ define([
         common.getPinnedUsage(todo);
     };
 
-    var getAppSuffix = function () {
-        var parts = window.location.pathname.split('/')
-            .filter(function (x) { return x; });
-
-        if (!parts[0]) { return ''; }
-        return '_' + parts[0].toUpperCase();
-    };
-
     var prepareFeedback = common.prepareFeedback = function (key) {
         if (typeof(key) !== 'string') { return $.noop; }
+
+        var type = common.getAppType();
         return function () {
-            feedback(key.toUpperCase() + getAppSuffix());
+            feedback((key + (type? '_' + type: '')).toUpperCase());
         };
     };