src/Module/Maintenance.php

   1 <?php
   2
   3 namespace Friendica\Module;
   4
   5 use Friendica\BaseModule;
   6 use Friendica\Core\L10n;
   7 use Friendica\Core\Renderer;
   8 use Friendica\Core\System;
   9 use Friendica\Util\Strings;
  10
  11 /**
  12  * Shows the maintenance reason
  13  * or redirects to the alternate location
  14  */
  15 class Maintenance extends BaseModule
  16 {
  17         public static function content()
  18         {
  19                 $config = self::getApp()->getConfig();
  20
  21                 $reason = $config->get('system', 'maintenance_reason');
  22
  23                 if ((substr(Strings::normaliseLink($reason), 0, 7) === 'http://') ||
  24                         (substr(Strings::normaliseLink($reason), 0, 8) === 'https://')) {
  25                         System::externalRedirect($reason, 307);
  26                 }
  27
  28                 header('HTTP/1.1 503 Service Temporarily Unavailable');
  29                 header('Status: 503 Service Temporarily Unavailable');
  30                 header('Retry-After: 600');
  31
  32                 return Renderer::replaceMacros(Renderer::getMarkupTemplate('maintenance.tpl'), [
  33                         '$sysdown' => L10n::t('System down for maintenance'),
  34                         '$reason' => $reason
  35                 ]);
  36         }
  37 }