1 <?php

     2 

     3 /*

     4  * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between

     5  * Version 1.0.2 (Coblynau)

     6  * Copyright (C) 2006-2007 Dan Fuhry

     7  *

     8  * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License

     9  * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

    10  *

    11  * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied

    12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.

    13  */

    14 

    15 //

    16 // cron.php - Maintenance tasks that should be run periodically

    17 //

    18 

    19 // The cron script is triggered by way of an image. This is a 1x1px transparent GIF.

    20 define('ENANO_GIF_SPACER', base64_decode('R0lGODlhAQABAIAAAP///////yH+FUNyZWF0ZWQgd2l0aCBUaGUgR0lNUAAh+QQBCgABACwAAAAAAQABAAACAkwBADs='));

    21 

    22 // Don't need a page to load, all we should need is the Enano API

    23 $_GET['title'] = 'Enano:Cron';

    24 require('includes/common.php');

    25 

    26 global $db, $session, $paths, $template, $plugins; // Common objects

    27 

    28 // Hope now that plugins are loaded :-)

    29 $last_run = ( $x = getConfig('cron_last_run') ) ? $x : 0;

    30 $time = strval(time());

    31 setConfig('cron_last_run', $time);

    32 

    33 global $cron_tasks;

    34 

    35 foreach ( $cron_tasks as $interval => $tasks )

    36 {

    37   $last_run_threshold = time() - ( $interval * 3600 );

    38   if ( $last_run_threshold >= $last_run )

    39   {

    40     foreach ( $tasks as $task )

    41     {

    42       @call_user_func($task);

    43     }

    44   }

    45 }

    46 

    47 header('Pragma: no-cache');

    48 header('Cache-control: no-cache');

    49 header('Expires: Thu, 1 Jan 1970 00:00:01 GMT');

    50 header('Content-type: image/gif');

    51 

    52 echo ENANO_GIF_SPACER;

    53 

    54 ?>