From cb7fb97a132b95f94d65497201ea6a61f2856296 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20Mart=C3=ADn?= <oleurud@gmail.com>
Date: Mon, 18 Dec 2017 11:14:27 +0100
Subject: [PATCH] escape chars function

---
 lib/cartodb/middleware/error-middleware.js | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/lib/cartodb/middleware/error-middleware.js b/lib/cartodb/middleware/error-middleware.js
index f3f2eb36..6e45f1da 100644
--- a/lib/cartodb/middleware/error-middleware.js
+++ b/lib/cartodb/middleware/error-middleware.js
@@ -189,3 +189,22 @@ function setErrorHeader(errors, statusCode, res) {
     
     res.set('X-Tiler-Errors', JSON.stringify(errorsLog));
 }
+
+/**
+ * Remove problematic nested characters 
+ * from object for logs RegEx
+ * 
+ * @param {Object} object 
+ */
+function stringifyForLogs(object) {
+    Object.keys(object).map(key => {
+        const value = object[key];
+        if (object instanceof Object) {
+            stringifyForLogs(value);
+        } else {
+            object[key] = object[key].replace(/[^a-zA-Z0-9]/g, ' ');
+        }
+    });
+
+    return JSON.stringify(object);
+}   
\ No newline at end of file