update previous with make_password() in tt-rss proper

include/functions.php

@@ -738,20 +738,27 @@
 	}
 
 	function make_password($length = 12) {
-
 		$password = "";
-		$possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
+		$possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ*%+^";
 
 		$i = 0;
 
 		while ($i < $length) {
-			$char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
+
+			try {
+				$idx = function_exists("random_int") ? random_int(0, strlen($possible) - 1) : mt_rand(0, strlen($possible) - 1);
+			} catch (Exception $e) {
+				$idx = mt_rand(0, strlen($possible) - 1);
+			}
+
+			$char = substr($possible, $idx, 1);
 
 			if (!strstr($password, $char)) {
 				$password .= $char;
 				$i++;
 			}
 		}
+
 		return $password;
 	}