优化检测的URL默认值

2023-06-16 17:37:34 +08:00 · 2023-06-16 17:37:34 +08:00 · d2c275e20a
parent 3549e95ea1
commit d2c275e20a
1 changed files with 5 additions and 1 deletions
--- a/application/common.php
+++ b/application/common.php
@ -502,13 +502,17 @@ if (!function_exists('check_url_allowed')) {
     * @param string $url URL
     * @return bool
     */
-    function check_url_allowed($url = null)
+    function check_url_allowed($url = '')
    {
        //允许的主机列表
        $allowedHostArr = [
            strtolower(request()->host())
        ];

+        if (empty($url)) {
+            return true;
+        }
+
        //如果是站内相对链接则允许
        if (preg_match("/^[\/a-z][a-z0-9][a-z0-9\.\/]+\$/i", $url) && substr($url, 0, 2) !== '//') {
            return true;