Strip out slash-escaped JSON sequence received in client.

The server will slash-escape some JSON related characters before sending. Need to strip them out before using, on the client side.
ZhenyiZhao · May 2, 2018 · 6a5ca43 · 6a5ca43
1 parent 5d28ef9
commit 6a5ca43
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/webgoat-container/src/main/resources/static/js/goatApp/view/LessonContentView.js b/webgoat-container/src/main/resources/static/js/goatApp/view/LessonContentView.js
@@ -151,14 +151,23 @@ define(['jquery',
             return false;
         },
 
+        removeSlashesFromJSON: function(str) {
+        // slashes are leftover escapes from JSON serialization by server
+        // for every two char sequence starting with backslash,
+        // replace them in the text with second char only
+            return str.replace(/\\(.)/g, "$1");
+        },
+
         renderFeedback: function(feedback) {
-            this.$curFeedback.html(polyglot.t(feedback) || "");
+            var s = this.removeSlashesFromJSON(feedback);
+            this.$curFeedback.html(polyglot.t(s) || "");
             this.$curFeedback.show(400)
 
         },
 
         renderOutput: function(output) {
-            this.$curOutput.html(polyglot.t(output) || "");
+            var s = this.removeSlashesFromJSON(output);
+            this.$curOutput.html(polyglot.t(s) || "");
             this.$curOutput.show(400)
         },