_rss/static.php

   1 <?php
   2
   3 require_once(dirname(dirname(__FILE__)).'/includes.php');
   4
   5 $userref = optional_param('userref');
   6 $username = optional_param('username');
   7 $type = optional_param('type');
   8
   9 $file = $CFG->dataroot.'rss/'.$userref.'/'.$username.'/'.$type.'.xml';
  10
  11 if (!file_exists($file)) {
  12     @header('HTTP/1.0 404 Not Found');
  13     exit;
  14 }
  15 header("Pragma: public");
  16 header("Cache-Control: public");
  17 header('Expires: ' . gmdate("D, d M Y H:i:s", (time()+3600)) . " GMT");
  18
  19
  20 $if_modified_since = preg_replace('/;.*$/', '', $_SERVER['HTTP_IF_MODIFIED_SINCE']);
  21
  22 $tstamp = filemtime($file);
  23 $lm = gmdate("D, d M Y H:i:s", $tstamp) . " GMT";
  24
  25 if ($if_modified_since == $lm) {
  26     header("{$_SERVER['SERVER_PROTOCOL']} 304 Not Modified");
  27     exit;
  28 }
  29
  30 // Send last-modified header to enable if-modified-since requests
  31 if ($tstamp < time()) {
  32     header("Last-Modified: " . $lm);
  33 }
  34
  35 header("Content-type: text/xml; charset=utf-8");
  36 readfile($file);
  37
  38 ?>