From 64a3afe35a8f2addfa994ce5e6272be7538e4a07 Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Sun, 8 Dec 2013 22:22:08 -0500
Subject: [PATCH] Only allow a recursive depth of 3 for markdown links.
---
vendor/assets/javascripts/better_markdown.js | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/vendor/assets/javascripts/better_markdown.js b/vendor/assets/javascripts/better_markdown.js
index 0bfeb29ed..b80a1d069 100644
--- a/vendor/assets/javascripts/better_markdown.js
+++ b/vendor/assets/javascripts/better_markdown.js
@@ -1250,6 +1250,15 @@
"[": function link( text ) {
+ var open = 1;
+ for (var i=0; i<text.length; i++) {
+ var c = text.charAt(i);
+ if (c === '[') { open++; }
+ if (c === ']') { open--; }
+
+ if (open > 3) { return [1, "["]; }
+ }
+
var orig = String(text);
// Inline content is possible inside `link text`
var res = inline_until_char.call( this, text.substr(1), "]" );