From 24ff61d159a710c047947681d68f4084eafd308f Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@prodromou.name>
Date: Thu, 5 Jun 2008 00:01:53 -0400
Subject: decided to validate tag uris rather than not validating any uris

darcs-hash:20080605040153-84dde-5d180f0d8ead2fc7c5eaca3deaf035ba31d3512a.gz
---
 lib/util.php | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/util.php')

diff --git a/lib/util.php b/lib/util.php
index 03b1e42a9..771a4880c 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -598,3 +598,11 @@ function common_debug($msg, $filename=NULL) {
 function common_valid_http_url($url) {
 	return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
 }
+
+function common_valid_tag($tag) {
+	if (preg_match('/^tag:(.*?),(\d{4}(-\d{2}(-\d{2})?)?):(.*)$/', $tag, $matches)) {
+		return (Validate::email($matches[1]) || 
+				preg_match('/^([\w-\.]+)$/', $matches[1]));
+	}
+	return false;
+}
-- 
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