user/grouppix.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * This function fetches group pictures from the data directory.
  19  *
  20  * Syntax:   pix.php/groupid/f1.jpg or pix.php/groupid/f2.jpg
  21  *     OR:   ?file=groupid/f1.jpg or ?file=groupid/f2.jpg
  22  *
  23  * @copyright 1999 Martin Dougiamas  http://dougiamas.com
  24  * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  25  * @package core_user
  26  */
  27
  28 // Disable moodle specific debug messages and any errors in output.
  29 define('NO_DEBUG_DISPLAY', true);
  30 define('NO_MOODLE_COOKIES', true); // Session not used here.
  31
  32 require_once('../config.php');
  33 require_once($CFG->libdir.'/filelib.php');
  34
  35 $relativepath = get_file_argument();
  36
  37 $args = explode('/', trim($relativepath, '/'));
  38
  39 if (count($args) == 2) {
  40     $groupid  = (integer)$args[0];
  41     $image    = $args[1];
  42     $pathname = $CFG->dataroot.'/groups/'.$groupid.'/'.$image;
  43 } else {
  44     $image    = 'f1.png';
  45     $pathname = $CFG->dirroot.'/pix/g/f1.png';
  46 }
  47
  48 if (file_exists($pathname) and !is_dir($pathname)) {
  49     send_file($pathname, $image);
  50 } else {
  51     header('HTTP/1.0 404 not found');
  52     print_error('filenotfound', 'error'); // This is not displayed on IIS??
  53 }