user/grouppix.php

   1 <?php
   2       // This function fetches group pictures from the data directory
   3       // Syntax:   pix.php/groupid/f1.jpg or pix.php/groupid/f2.jpg
   4       //     OR:   ?file=groupid/f1.jpg or ?file=groupid/f2.jpg
   5
   6 // disable moodle specific debug messages and any errors in output
   7 define('NO_DEBUG_DISPLAY', true);
   8 define('NO_MOODLE_COOKIES', true);                  // session not used here
   9
  10     require_once('../config.php');
  11     require_once($CFG->libdir.'/filelib.php');
  12
  13     $relativepath = get_file_argument();
  14
  15     $args = explode('/', trim($relativepath, '/'));
  16
  17     if (count($args) == 2) {
  18         $groupid  = (integer)$args[0];
  19         $image    = $args[1];
  20         $pathname = $CFG->dataroot.'/groups/'.$groupid.'/'.$image;
  21     } else {
  22         $image    = 'f1.png';
  23         $pathname = $CFG->dirroot.'/pix/g/f1.png';
  24     }
  25
  26     if (file_exists($pathname) and !is_dir($pathname)) {
  27         send_file($pathname, $image);
  28     } else {
  29         header('HTTP/1.0 404 not found');
  30         print_error('filenotfound', 'error'); //this is not displayed on IIS??
  31     }