user/pix.php

   1 <?PHP // $Id$
   2       // This function fetches user pictures from the data directory
   3       // Syntax:   pix.php/userid/f1.jpg or pix.php/userid/f2.jpg
   4       //     OR:   ?file=userid/f1.jpg or ?file=userid/f2.jpg
   5
   6     require_once('../config.php');
   7     require_once($CFG->libdir.'/filelib.php');
   8
   9     if (!empty($CFG->forcelogin) and !isloggedin()) {
  10         // protect images if login required and not logged in;
  11         // do not use require_login() because it is expensive and not suitable here anyway
  12         redirect($CFG->pixpath.'/u/f1.png');
  13     }
  14
  15     // disable moodle specific debug messages
  16     disable_debugging();
  17
  18     $relativepath = get_file_argument('pix.php');
  19
  20     $args = explode('/', trim($relativepath, '/'));
  21
  22     if (count($args) == 2) {
  23         $userid   = (integer)$args[0];
  24         // do not serve images of deleted users
  25         if ($user = get_record('user', 'id', $userid, 'deleted', 0, 'picture', 1)) {
  26             $image    = $args[1];
  27             $pathname = make_user_directory($userid, true) . "/$image";
  28             if (file_exists($pathname) and !is_dir($pathname)) {
  29                 send_file($pathname, $image);
  30             }
  31         }
  32     }
  33
  34     // picture was deleted - use default instead
  35     redirect($CFG->pixpath.'/u/f1.png');
  36 ?>