From 93ceb42a108f44e0b1e6cbd0f7465284eba5e9ab Mon Sep 17 00:00:00 2001
From: ICTman1076 <ict@stch.tk>
Date: Fri, 29 Nov 2019 22:44:26 +0000
Subject: [PATCH] Hopefully fix #704 (#791)

* Fix #704 - use regex instead of PHP's own function

* Updated .ltd length to 12

For domains like .company .services .business.
---
 src/psm/Util/Server/ServerValidator.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/psm/Util/Server/ServerValidator.php b/src/psm/Util/Server/ServerValidator.php
index e2f72d7f..d4b89aee 100644
--- a/src/psm/Util/Server/ServerValidator.php
+++ b/src/psm/Util/Server/ServerValidator.php
@@ -88,7 +88,8 @@ class ServerValidator {
 
 		switch ($type) {
 			case 'website':
-				if (!filter_var($value, FILTER_VALIDATE_URL)) {
+				// url regex as per https://stackoverflow.com/a/3809435
+				if (!preg_match("/(http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%._\+~#=]{2,256}\.[a-z]{2,12}\b([-a-zA-Z0-9@:%_\+.~#?&\/\/=]*)/g", $value)) {
 					throw new \InvalidArgumentException('server_ip_bad_website');
 				}
 				break;