From 5690604556bfff5c237853ad559d142dd4cabd3a Mon Sep 17 00:00:00 2001
From: Ilya Kreymer <ikreymer@gmail.com>
Date: Fri, 2 Dec 2016 12:11:54 -0800
Subject: [PATCH] client-side rewrite: add eval() override, add WB_wombat_
 prefixes for location

---
 pywb/static/wombat.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/pywb/static/wombat.js b/pywb/static/wombat.js
index 554ea57c..f8433590 100644
--- a/pywb/static/wombat.js
+++ b/pywb/static/wombat.js
@@ -729,6 +729,10 @@ var wombat_internal = function($wbwindow) {
 
             var abs_url = extract_orig(url);
 
+            if (!abs_url) {
+                abs_url = $wbwindow.WB_wombat_location.href;
+            }
+
             if (abs_url &&
                 (abs_url != $wbwindow.WB_wombat_location.origin) &&
                 !starts_with(abs_url, $wbwindow.WB_wombat_location.origin + "/")) {
@@ -2143,6 +2147,18 @@ var wombat_internal = function($wbwindow) {
         $wbwindow.Document.prototype.open = new_open;
     }
 
+    //============================================
+    function init_eval_override() {
+        var orig_eval = $wbwindow.eval;
+
+        $wbwindow.eval = function(string) {
+            if (string) {
+                string = string.replace(/\blocation\b/g, "WB_wombat_$&");
+            }
+            orig_eval.call(this, string);
+        }
+    }
+
     //============================================
     function init_iframe_wombat(iframe) {
         var win;
@@ -2410,6 +2426,9 @@ var wombat_internal = function($wbwindow) {
             // write
             init_write_override();
 
+            // eval
+            init_eval_override();
+
             // Ajax
             init_ajax_rewrite();