Fixed prevent XSS might break lots of tags and only need after rendered

1 files changed, 13 insertions, 0 deletions

diff --git a/public/js/render.js b/public/js/render.js
new file mode 100644
index 00000000..1abb68c5
--- /dev/null
+++ b/public/js/render.js
@@ -0,0 +1,13 @@
+function preventXSS(html) {
+    var options = {
+        allowCommentTag: true,
+        onIgnoreTagAttr: function (tag, name, value, isWhiteAttr) {
+            // allow attr start with 'data-' or equal 'id' and 'class'
+            if (name.substr(0, 5) === 'data-' || name === 'id' || name === 'class') {
+                // escape its value using built-in escapeAttrValue function
+                return name + '="' + filterXSS.escapeAttrValue(value) + '"';
+            }
+        }
+    };
+    return filterXSS(html, options);
+}
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