Merge pull request #10586 from nextcloud/fix/noid/check_if_ua_is_set

Check if HTTP_USER_AGENT is set before using it
2018-08-08 13:59:31 +07:00 · 2018-08-08 13:59:31 +07:00 · e7e30ac25f
parent 3884038765 c74a5250e5
commit e7e30ac25f
1 changed files with 4 additions and 0 deletions
--- a/lib/private/legacy/util.php
+++ b/lib/private/legacy/util.php
@ -1535,6 +1535,10 @@ class OC_Util {
 	 * @return boolean
 	 */
 	public static function isIe() {
+		if (!isset($_SERVER['HTTP_USER_AGENT'])) {
+			return false;
+		}
+
 		return preg_match(Request::USER_AGENT_IE, $_SERVER['HTTP_USER_AGENT']) === 1;
 	}