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Viewing changes to www/php/phpBB3/cron.php

  • Committer: wagrant
  • Date: 2008-08-19 12:49:58 UTC
  • Revision ID: svn-v3-trunk0:2b9c9e99-6f39-0410-b283-7f802c844ae2:trunk:1031
Example worksheets: Fix the element names in worksheet 1 to be actually
                    correct. Also fix the first exercise so it too
                    functions properly.

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Lines of Context:
www/php/phpBB3/cron.php
 
1
<?php
 
2
/**
 
3
*
 
4
* @package phpBB3
 
5
* @version $Id: cron.php,v 1.21 2007/10/05 14:30:06 acydburn Exp $
 
6
* @copyright (c) 2005 phpBB Group
 
7
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
 
8
*
 
9
*/
 
10
 
 
11
/**
 
12
*/
 
13
define('IN_PHPBB', true);
 
14
define('IN_CRON', true);
 
15
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
 
16
$phpEx = substr(strrchr(__FILE__, '.'), 1);
 
17
include($phpbb_root_path . 'common.' . $phpEx);
 
18
 
 
19
// Do not update users last page entry
 
20
$user->session_begin(false);
 
21
$auth->acl($user->data);
 
22
 
 
23
$cron_type = request_var('cron_type', '');
 
24
$use_shutdown_function = (@function_exists('register_shutdown_function')) ? true : false;
 
25
 
 
26
// Output transparent gif
 
27
header('Cache-Control: no-cache');
 
28
header('Content-type: image/gif');
 
29
header('Content-length: 43');
 
30
 
 
31
echo base64_decode('R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==');
 
32
 
 
33
// test without flush ;)
 
34
// flush();
 
35
 
 
36
//
 
37
if (!isset($config['cron_lock']))
 
38
{
 
39
        set_config('cron_lock', '0', true);
 
40
}
 
41
 
 
42
// make sure cron doesn't run multiple times in parallel
 
43
if ($config['cron_lock'])
 
44
{
 
45
        // if the other process is running more than an hour already we have to assume it
 
46
        // aborted without cleaning the lock
 
47
        $time = explode(' ', $config['cron_lock']);
 
48
        $time = $time[0];
 
49
 
 
50
        if ($time + 3600 >= time())
 
51
        {
 
52
                exit;
 
53
        }
 
54
}
 
55
 
 
56
define('CRON_ID', time() . ' ' . unique_id());
 
57
 
 
58
$sql = 'UPDATE ' . CONFIG_TABLE . "
 
59
        SET config_value = '" . $db->sql_escape(CRON_ID) . "'
 
60
        WHERE config_name = 'cron_lock' AND config_value = '" . $db->sql_escape($config['cron_lock']) . "'";
 
61
$db->sql_query($sql);
 
62
 
 
63
// another cron process altered the table between script start and UPDATE query so exit
 
64
if ($db->sql_affectedrows() != 1)
 
65
{
 
66
        exit;
 
67
}
 
68
 
 
69
/**
 
70
* Run cron-like action
 
71
* Real cron-based layer will be introduced in 3.2
 
72
*/
 
73
switch ($cron_type)
 
74
{
 
75
        case 'queue':
 
76
 
 
77
                if (time() - $config['queue_interval'] <= $config['last_queue_run'] || !file_exists($phpbb_root_path . 'cache/queue.' . $phpEx))
 
78
                {
 
79
                        break;
 
80
                }
 
81
 
 
82
                // A user reported using the mail() function while using shutdown does not work. We do not want to risk that.
 
83
                if ($use_shutdown_function && !$config['smtp_delivery'])
 
84
                {
 
85
                        $use_shutdown_function = false;
 
86
                }
 
87
 
 
88
                include_once($phpbb_root_path . 'includes/functions_messenger.' . $phpEx);
 
89
                $queue = new queue();
 
90
 
 
91
                if ($use_shutdown_function)
 
92
                {
 
93
                        register_shutdown_function(array(&$queue, 'process'));
 
94
                }
 
95
                else
 
96
                {
 
97
                        $queue->process();
 
98
                }
 
99
 
 
100
        break;
 
101
 
 
102
        case 'tidy_cache':
 
103
 
 
104
                if (time() - $config['cache_gc'] <= $config['cache_last_gc'] || !method_exists($cache, 'tidy'))
 
105
                {
 
106
                        break;
 
107
                }
 
108
 
 
109
                if ($use_shutdown_function)
 
110
                {
 
111
                        register_shutdown_function(array(&$cache, 'tidy'));
 
112
                }
 
113
                else
 
114
                {
 
115
                        $cache->tidy();
 
116
                }
 
117
 
 
118
        break;
 
119
 
 
120
        case 'tidy_search':
 
121
                
 
122
                // Select the search method
 
123
                $search_type = basename($config['search_type']);
 
124
 
 
125
                if (time() - $config['search_gc'] <= $config['search_last_gc'] || !file_exists($phpbb_root_path . 'includes/search/' . $search_type . '.' . $phpEx))
 
126
                {
 
127
                        break;
 
128
                }
 
129
 
 
130
                include_once("{$phpbb_root_path}includes/search/$search_type.$phpEx");
 
131
 
 
132
                // We do some additional checks in the module to ensure it can actually be utilised
 
133
                $error = false;
 
134
                $search = new $search_type($error);
 
135
 
 
136
                if ($error)
 
137
                {
 
138
                        break;
 
139
                }
 
140
 
 
141
                if ($use_shutdown_function)
 
142
                {
 
143
                        register_shutdown_function(array(&$search, 'tidy'));
 
144
                }
 
145
                else
 
146
                {
 
147
                        $search->tidy();
 
148
                }
 
149
 
 
150
        break;
 
151
 
 
152
        case 'tidy_warnings':
 
153
 
 
154
                if (time() - $config['warnings_gc'] <= $config['warnings_last_gc'])
 
155
                {
 
156
                        break;
 
157
                }
 
158
 
 
159
                include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
 
160
 
 
161
                if ($use_shutdown_function)
 
162
                {
 
163
                        register_shutdown_function('tidy_warnings');
 
164
                }
 
165
                else
 
166
                {
 
167
                        tidy_warnings();
 
168
                }
 
169
 
 
170
        break;
 
171
 
 
172
        case 'tidy_database':
 
173
 
 
174
                if (time() - $config['database_gc'] <= $config['database_last_gc'])
 
175
                {
 
176
                        break;
 
177
                }
 
178
 
 
179
                include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
 
180
 
 
181
                if ($use_shutdown_function)
 
182
                {
 
183
                        register_shutdown_function('tidy_database');
 
184
                }
 
185
                else
 
186
                {
 
187
                        tidy_database();
 
188
                }
 
189
 
 
190
        break;
 
191
 
 
192
        case 'tidy_sessions':
 
193
 
 
194
                if (time() - $config['session_gc'] <= $config['session_last_gc'])
 
195
                {
 
196
                        break;
 
197
                }
 
198
 
 
199
                if ($use_shutdown_function)
 
200
                {
 
201
                        register_shutdown_function(array(&$user, 'session_gc'));
 
202
                }
 
203
                else
 
204
                {
 
205
                        $user->session_gc();
 
206
                }
 
207
 
 
208
        break;
 
209
 
 
210
        case 'prune_forum':
 
211
 
 
212
                $forum_id = request_var('f', 0);
 
213
 
 
214
                $sql = 'SELECT forum_id, prune_next, enable_prune, prune_days, prune_viewed, forum_flags, prune_freq
 
215
                        FROM ' . FORUMS_TABLE . "
 
216
                        WHERE forum_id = $forum_id";
 
217
                $result = $db->sql_query($sql);
 
218
                $row = $db->sql_fetchrow($result);
 
219
                $db->sql_freeresult($result);
 
220
 
 
221
                if (!$row)
 
222
                {
 
223
                        break;
 
224
                }
 
225
 
 
226
                // Do the forum Prune thang
 
227
                if ($row['prune_next'] < time() && $row['enable_prune'])
 
228
                {
 
229
                        include_once($phpbb_root_path . 'includes/functions_admin.' . $phpEx);
 
230
 
 
231
                        if ($row['prune_days'])
 
232
                        {
 
233
                                if ($use_shutdown_function)
 
234
                                {
 
235
                                        register_shutdown_function('auto_prune', $row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq']);
 
236
                                }
 
237
                                else
 
238
                                {
 
239
                                        auto_prune($row['forum_id'], 'posted', $row['forum_flags'], $row['prune_days'], $row['prune_freq']);
 
240
                                }
 
241
                        }
 
242
 
 
243
                        if ($row['prune_viewed'])
 
244
                        {
 
245
                                if ($use_shutdown_function)
 
246
                                {
 
247
                                        register_shutdown_function('auto_prune', $row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq']);
 
248
                                }
 
249
                                else
 
250
                                {
 
251
                                        auto_prune($row['forum_id'], 'viewed', $row['forum_flags'], $row['prune_viewed'], $row['prune_freq']);
 
252
                                }
 
253
                        }
 
254
                }
 
255
 
 
256
        break;
 
257
}
 
258
 
 
259
// Unloading cache and closing db after having done the dirty work.
 
260
if ($use_shutdown_function)
 
261
{
 
262
        register_shutdown_function('unlock_cron');
 
263
        register_shutdown_function('garbage_collection');
 
264
}
 
265
else
 
266
{
 
267
        unlock_cron();
 
268
        garbage_collection();
 
269
}
 
270
 
 
271
exit;
 
272
 
 
273
 
 
274
/**
 
275
* Unlock cron script
 
276
*/
 
277
function unlock_cron()
 
278
{
 
279
        global $db;
 
280
 
 
281
        $sql = 'UPDATE ' . CONFIG_TABLE . "
 
282
                SET config_value = '0'
 
283
                WHERE config_name = 'cron_lock' AND config_value = '" . $db->sql_escape(CRON_ID) . "'";
 
284
        $db->sql_query($sql);
 
285
}
 
286
 
 
287
?>
 
 
b'\\ No newline at end of file'