cron.php
author Dan Fuhry <dan@enanocms.org>
Tue, 12 Jul 2011 22:34:02 -0400
changeset 1349 3f7bf1a22b45
parent 1227 bdac73ed481e
permissions -rw-r--r--
Release prep 1.1.8pl1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
191
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     1
<?php
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     2
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     3
/*
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     4
 * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between
1081
745200a9cc2a Fixed some upgrade bugs; added support for choosing one's own date/time formats; rebrand as 1.1.7
Dan
parents: 945
diff changeset
     5
 * Copyright (C) 2006-2009 Dan Fuhry
191
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     6
 *
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     7
 * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     8
 * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
     9
 *
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    10
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    11
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    12
 */
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    13
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    14
//
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    15
// cron.php - Maintenance tasks that should be run periodically
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    16
//
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    17
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    18
// The cron script is triggered by way of an image. This is a 1x1px transparent GIF.
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    19
define('ENANO_GIF_SPACER', base64_decode('R0lGODlhAQABAIAAAP///////yH+FUNyZWF0ZWQgd2l0aCBUaGUgR0lNUAAh+QQBCgABACwAAAAAAQABAAACAkwBADs='));
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    20
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    21
// Don't need a page to load, all we should need is the Enano API
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    22
require('includes/common.php');
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    23
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    24
global $db, $session, $paths, $template, $plugins; // Common objects
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    25
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    26
// Hope now that plugins are loaded :-)
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    27
global $cron_tasks;
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    28
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    29
foreach ( $cron_tasks as $interval => $tasks )
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    30
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    31
	$interval = doubleval($interval);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    32
	$last_run = intval(getConfig("cron_lastrun_ivl_$interval"));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    33
	$last_run_threshold = doubleval(time()) - ( 3600.0 * $interval );
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    34
	if ( $last_run_threshold >= $last_run )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    35
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    36
		foreach ( $tasks as $task )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    37
		{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    38
			call_user_func($task);
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    39
		}
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    40
		setConfig("cron_lastrun_ivl_$interval", strval(time()));
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    41
	}
191
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    42
}
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    43
542
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    44
$expiry_date = date('r', get_cron_next_run());
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    45
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    46
$etag = sha1($expiry_date);
672
08a7875258b4 Added tab-based interface to userpage UI. Yes, it is plugin expansible, and yes, it breaks existing plugins that add code to the userpage (but that can be fixed with a "colspan=4")
Dan
parents: 542
diff changeset
    47
542
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    48
if ( isset($_SERVER['HTTP_IF_NONE_MATCH']) )
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    49
{
1227
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    50
	if ( "\"$etag\"" == $_SERVER['HTTP_IF_NONE_MATCH'] )
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    51
	{
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    52
		header('HTTP/1.1 304 Not Modified');
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    53
		exit();
bdac73ed481e Going ahead with the switch to tabs. This is a major coding standards change! If any unusual parser bugs show up, check this changeset. Converted all .php, .js, .tpl, .css, and .json files and did basic testing.
Dan
parents: 1081
diff changeset
    54
	}
542
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    55
}
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    56
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    57
header("ETag: $etag");
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    58
5841df0ab575 Added ETag support and increased caching settings to try and speed the system up. Result of a YSlow audit.
Dan
parents: 541
diff changeset
    59
header('Expires: ' . $expiry_date);
191
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    60
header('Content-type: image/gif');
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    61
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    62
echo ENANO_GIF_SPACER;
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    63
3dbe848431b0 Added a cron framework. Currently tasks will not be run; will implement into templates in next commit
Dan
parents:
diff changeset
    64
?>