| 1 | <?php |
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| 2 | /** |
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| 3 | * |
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| 4 | * @package phpBB3 |
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| 5 | * @version $Id: cron.php 8479 2008-03-29 00:22:48Z naderman $ |
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| 6 | * @copyright (c) 2005 phpBB Group |
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| 7 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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| 8 | * |
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| 9 | */ |
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| 10 | |
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| 11 | /** |
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| 12 | */ |
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| 13 | define('IN_PHPBB', true); |
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| 14 | define('IN_CRON', true); |
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| 15 | $phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './'; |
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| 16 | $phpEx = substr(strrchr(__FILE__, '.'), 1); |
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| 17 | include($phpbb_root_path . 'common.' . $phpEx); |
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| 18 | |
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| 19 | // Do not update users last page entry |
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| 20 | $user->session_begin(false); |
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| 21 | $auth->acl($user->data); |
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| 22 | |
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| 23 | $cron_type = request_var('cron_type', ''); |
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| 24 | $use_shutdown_function = (@function_exists('register_shutdown_function')) ? true : false; |
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| 25 | |
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| 26 | // Output transparent gif |
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| 27 | header('Cache-Control: no-cache'); |
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| 28 | header('Content-type: image/gif'); |
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| 29 | header('Content-length: 43'); |
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| 30 | |
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| 31 | echo base64_decode('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw=='); |
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| 32 | |
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| 33 | // test without flush ;) |
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| 34 | // flush(); |
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| 35 | |
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| 36 | // |
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| 37 | if (!isset($config['cron_lock'])) |
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| 38 | { |
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| 39 | set_config('cron_lock', '0', true); |
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| 40 | } |
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| 41 | |
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| 42 | // make sure cron doesn't run multiple times in parallel |
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| 43 | if ($config['cron_lock']) |
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| 44 | { |
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| 45 | // if the other process is running more than an hour already we have to assume it |
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| 46 | // aborted without cleaning the lock |
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| 47 | $time = explode(' ', $config['cron_lock']); |
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| 48 | $time = $time[0]; |
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| 49 | |
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| 50 | if ($time + 3600 >= time()) |
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| 51 | { |
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| 52 | exit; |
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| 53 | } |
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| 54 | } |
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| 55 | |
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| 56 | define('CRON_ID', time() . ' ' . unique_id()); |
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| 57 | |
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| 58 | $sql = 'UPDATE ' . CONFIG_TABLE . " |
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| 59 | SET config_value = '" . $db->sql_escape(CRON_ID) . "' |
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| 60 | WHERE config_name = 'cron_lock' AND config_value = '" . $db->sql_escape($config['cron_lock']) . "'"; |
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| 61 | $db->sql_query($sql); |
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| 62 | |
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| 63 | // another cron process altered the table between script start and UPDATE query so exit |
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| 64 | if ($db->sql_affectedrows() != 1) |
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| 65 | { |
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| 66 | exit; |
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| 67 | } |
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| 68 | |
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| 69 | /** |
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| 70 | * Run cron-like action |
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| 71 | * Real cron-based layer will be introduced in 3.2 |
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| 72 | */ |
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| 73 | switch ($cron_type) |
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| 74 | { |
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| 75 | case 'queue': |
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| 76 | |
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| 77 | if (time() - $config['queue_interval'] <= $config['last_queue_run'] || !file_exists($phpbb_root_path . 'cache/queue.' . $phpEx)) |
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| 78 | { |
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| 79 | break; |
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| 80 | } |
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| 81 | |
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| 82 | // A user reported using the mail() function while using shutdown does not work. We do not want to risk that. |
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| 83 | if ($use_shutdown_function && !$config['smtp_delivery']) |
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| 84 | { |
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| 85 | $use_shutdown_function = false; |
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| 86 | } |
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| 87 | |
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| 88 | include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx); |
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| 89 | $queue = new queue(); |
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| 90 | |
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| 91 | if ($use_shutdown_function) |
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| 92 | { |
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| 93 | register_shutdown_function(array(&$queue, 'process')); |
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| 94 | } |
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| 95 | else |
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| 96 | { |
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| 97 | $queue->process(); |
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| 98 | } |
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| 99 | |
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| 100 | break; |
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| 101 | |
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| 102 | case 'tidy_cache': |
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| 103 | |
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| 104 | if (time() - $config['cache_gc'] <= $config['cache_last_gc'] || !method_exists($cache, 'tidy')) |
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| 105 | { |
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| 106 | break; |
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| 107 | } |
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| 108 | |
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| 109 | if ($use_shutdown_function) |
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| 110 | { |
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| 111 | register_shutdown_function(array(&$cache, 'tidy')); |
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| 112 | } |
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| 113 | else |
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| 114 | { |
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| 115 | $cache->tidy(); |
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| 116 | } |
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| 117 | |
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| 118 | break; |
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| 119 | |
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| 120 | case 'tidy_search': |
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| 121 | |
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| 122 | // Select the search method |
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| 123 | $search_type = basename($config['search_type']); |
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| 124 | |
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| 125 | if (time() - $config['search_gc'] <= $config['search_last_gc'] || !file_exists($phpbb_root_path . 'includes/search/' . $search_type . '.' . $phpEx)) |
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| 126 | { |
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| 127 | break; |
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| 128 | } |
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| 129 | |
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| 130 | include_once("{$phpbb_root_path}includes/search/$search_type.$phpEx"); |
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| 131 | |
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| 132 | // We do some additional checks in the module to ensure it can actually be utilised |
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| 133 | $error = false; |
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| 134 | $search = new $search_type($error); |
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| 135 | |
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| 136 | if ($error) |
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| 137 | { |
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| 138 | break; |
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| 139 | } |
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| 140 | |
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| 141 | if ($use_shutdown_function) |
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| 142 | { |
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| 143 | register_shutdown_function(array(&$search, 'tidy')); |
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| 144 | } |
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| 145 | else |
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| 146 | { |
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| 147 | $search->tidy(); |
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| 148 | } |
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| 149 | |
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| 150 | break; |
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| 151 | |
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| 152 | case 'tidy_warnings': |
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| 153 | |
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| 154 | if (time() - $config['warnings_gc'] <= $config['warnings_last_gc']) |
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| 155 | { |
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| 156 | break; |
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| 157 | } |
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| 158 | |
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| 159 | include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx); |
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| 160 | |
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| 161 | if ($use_shutdown_function) |
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| 162 | { |
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| 163 | register_shutdown_function('tidy_warnings'); |
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| 164 | } |
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| 165 | else |
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| 166 | { |
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| 167 | tidy_warnings(); |
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| 168 | } |
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| 169 | |
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| 170 | break; |
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| 171 | |
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| 172 | case 'tidy_database': |
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| 173 | |
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| 174 | if (time() - $config['database_gc'] <= $config['database_last_gc']) |
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| 175 | { |
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| 176 | break; |
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| 177 | } |
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| 178 | |
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| 179 | include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx); |
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| 180 | |
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| 181 | if ($use_shutdown_function) |
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| 182 | { |
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| 183 | register_shutdown_function('tidy_database'); |
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| 184 | } |
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| 185 | else |
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| 186 | { |
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| 187 | tidy_database(); |
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| 188 | } |
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| 189 | |
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| 190 | break; |
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| 191 | |
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| 192 | case 'tidy_sessions': |
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| 193 | |
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| 194 | if (time() - $config['session_gc'] <= $config['session_last_gc']) |
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| 195 | { |
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| 196 | break; |
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| 197 | } |
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| 198 | |
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| 199 | if ($use_shutdown_function) |
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| 200 | { |
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| 201 | register_shutdown_function(array(&$user, 'session_gc')); |
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| 202 | } |
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| 203 | else |
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| 204 | { |
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| 205 | $user->session_gc(); |
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| 206 | } |
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| 207 | |
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| 208 | break; |
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| 209 | |
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| 210 | case 'prune_forum': |
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| 211 | |
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| 212 | $forum_id = request_var('f', 0); |
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| 213 | |
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| 214 | $sql = 'SELECT forum_id, prune_next, enable_prune, prune_days, prune_viewed, forum_flags, prune_freq |
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| 215 | FROM ' . FORUMS_TABLE . " |
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| 216 | WHERE forum_id = $forum_id"; |
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| 217 | $result = $db->sql_query($sql); |
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| 218 | $row = $db->sql_fetchrow($result); |
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| 219 | $db->sql_freeresult($result); |
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| 220 | |
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| 221 | if (!$row) |
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| 222 | { |
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| 223 | break; |
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| 224 | } |
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| 225 | |
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| 226 | // Do the forum Prune thang |
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| 227 | if ($row['prune_next'] < time() && $row['enable_prune']) |
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| 228 | { |
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| 229 | include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx); |
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| 230 | |
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| 231 | if ($row['prune_days']) |
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| 232 | { |
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| 233 | if ($use_shutdown_function) |
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| 234 | { |
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| 235 | register_shutdown_function('auto_prune', $row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq']); |
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| 236 | } |
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| 237 | else |
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| 238 | { |
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| 239 | auto_prune($row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq']); |
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| 240 | } |
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| 241 | } |
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| 242 | |
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| 243 | if ($row['prune_viewed']) |
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| 244 | { |
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| 245 | if ($use_shutdown_function) |
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| 246 | { |
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| 247 | register_shutdown_function('auto_prune', $row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq']); |
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| 248 | } |
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| 249 | else |
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| 250 | { |
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| 251 | auto_prune($row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq']); |
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| 252 | } |
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| 253 | } |
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| 254 | } |
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| 255 | |
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| 256 | break; |
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| 257 | } |
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| 258 | |
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| 259 | // Unloading cache and closing db after having done the dirty work. |
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| 260 | if ($use_shutdown_function) |
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| 261 | { |
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| 262 | register_shutdown_function('unlock_cron'); |
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| 263 | register_shutdown_function('garbage_collection'); |
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| 264 | } |
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| 265 | else |
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| 266 | { |
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| 267 | unlock_cron(); |
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| 268 | garbage_collection(); |
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| 269 | } |
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| 270 | |
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| 271 | exit; |
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| 272 | |
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| 273 | |
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| 274 | /** |
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| 275 | * Unlock cron script |
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| 276 | */ |
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| 277 | function unlock_cron() |
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| 278 | { |
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| 279 | global $db; |
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| 280 | |
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| 281 | $sql = 'UPDATE ' . CONFIG_TABLE . " |
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| 282 | SET config_value = '0' |
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| 283 | WHERE config_name = 'cron_lock' AND config_value = '" . $db->sql_escape(CRON_ID) . "'"; |
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| 284 | $db->sql_query($sql); |
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| 285 | } |
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| 286 | |
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| 287 | ?> |
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