wwwroot/inc/filez.inc

   1 <?php
   2
   3 class filez {
   4
   5 // Function that check if given filename is "secure" (for uploading)
   6 // Dont use for reading files, directory traversal is not checked
   7
   8 public static function upload_filename_secure($name){
   9         $suffix = array_pop(explode('.', basename($name)));
  10
  11         // This is unfornately blacklist
  12         // TODO extend for all possible server configuations
  13         // TODO: why js?
  14         $preg_disallowed = '/([a-z]*)(php|htm|inc|js|vbs|cgi|asp|jsp|htaccess|htpasswd|asmx)([a-z]*)$/i';
  15         if (preg_match($preg_disallowed, $suffix) > 0) {
  16                 return false;
  17         }
  18         return true;
  19 }
  20
  21 }
  22 ?>