third_party/WebKit/LayoutTests/http/tests/serviceworker/resources/update-worker.php

   1 <?php
   2 if(!isset($_COOKIE['mode']))
   3   $mode = 'init'; // Set mode to 'init' for initial fetch.
   4 else
   5   $mode = $_COOKIE['mode']; // $_COOKIE['mode'] is either 'normal' or 'error'.
   6
   7 // no-cache itself to ensure the user agent finds a new version for each update.
   8 header("Cache-Control: no-cache, must-revalidate");
   9 header("Pragma: no-cache");
  10
  11 if ($mode == 'init') {
  12   // Set a normal mimetype.
  13   // Set cookie value to 'normal' so the next fetch will work in 'normal' mode.
  14   header('Content-Type:application/javascript');
  15   setcookie('mode', 'normal');
  16 } else if ($mode == 'normal') {
  17   // Set a normal mimetype.
  18   // Set cookie value to 'error' so the next fetch will work in 'error' mode.
  19   header('Content-Type:application/javascript');
  20   setcookie('mode', 'error');
  21 } else if ($mode == 'error') {
  22   // Set a disallowed mimetype.
  23   // Unset and delete cookie to clean up the test setting.
  24   header('Content-Type:text/html');
  25   unset($_COOKIE['mode']);
  26   setcookie('mode', '', time() - 3600);
  27 }
  28 // Return a different script for each access.
  29 echo '// ' . microtime();
  30 ?>