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1 <?php
2 if (!file_exists("boot.php") AND (sizeof($_SERVER["argv"]) != 0)) {
3         $directory = dirname($_SERVER["argv"][0]);
4
5         if (substr($directory, 0, 1) != "/")
6                 $directory = $_SERVER["PWD"]."/".$directory;
7
8         $directory = realpath($directory."/..");
9
10         chdir($directory);
11 }
12
13 require_once("boot.php");
14
15
16 function cron_run(&$argv, &$argc){
17         global $a, $db;
18
19         if(is_null($a)) {
20                 $a = new App;
21         }
22
23         if(is_null($db)) {
24                 @include(".htconfig.php");
25                 require_once("include/dba.php");
26                 $db = new dba($db_host, $db_user, $db_pass, $db_data);
27                 unset($db_host, $db_user, $db_pass, $db_data);
28         };
29
30         require_once('include/session.php');
31         require_once('include/datetime.php');
32         require_once('include/items.php');
33         require_once('include/Contact.php');
34         require_once('include/email.php');
35         require_once('include/socgraph.php');
36         require_once('mod/nodeinfo.php');
37         require_once('include/post_update.php');
38
39         load_config('config');
40         load_config('system');
41
42         // Don't check this stuff if the function is called by the poller
43         if (App::callstack() != "poller_run") {
44                 if (App::maxload_reached())
45                         return;
46                 if (App::is_already_running('cron', 'include/cron.php', 540))
47                         return;
48         }
49
50         $last = get_config('system','last_cron');
51
52         $poll_interval = intval(get_config('system','cron_interval'));
53         if(! $poll_interval)
54                 $poll_interval = 10;
55
56         if($last) {
57                 $next = $last + ($poll_interval * 60);
58                 if($next > time()) {
59                         logger('cron intervall not reached');
60                         return;
61                 }
62         }
63
64         $a->set_baseurl(get_config('system','url'));
65
66         load_hooks();
67
68         logger('cron: start');
69
70         // run queue delivery process in the background
71
72         proc_run(PRIORITY_NEGLIGIBLE,"include/queue.php");
73
74         // run the process to discover global contacts in the background
75
76         proc_run(PRIORITY_LOW,"include/discover_poco.php");
77
78         // run the process to update locally stored global contacts in the background
79
80         proc_run(PRIORITY_LOW,"include/discover_poco.php", "checkcontact");
81
82         // Expire and remove user entries
83         cron_expire_and_remove_users();
84
85         // If the worker is active, split the jobs in several sub processes
86         if (get_config("system", "worker")) {
87                 // Check OStatus conversations
88                 proc_run(PRIORITY_MEDIUM, "include/cronjobs.php", "ostatus_mentions");
89
90                 // Check every conversation
91                 proc_run(PRIORITY_MEDIUM, "include/cronjobs.php", "ostatus_conversations");
92
93                 // Call possible post update functions
94                 proc_run(PRIORITY_LOW, "include/cronjobs.php", "post_update");
95
96                 // update nodeinfo data
97                 proc_run(PRIORITY_LOW, "include/cronjobs.php", "nodeinfo");
98         } else {
99                 // Check OStatus conversations
100                 // Check only conversations with mentions (for a longer time)
101                 ostatus::check_conversations(true);
102
103                 // Check every conversation
104                 ostatus::check_conversations(false);
105
106                 // Call possible post update functions
107                 // see include/post_update.php for more details
108                 post_update();
109
110                 // update nodeinfo data
111                 nodeinfo_cron();
112         }
113
114         // once daily run birthday_updates and then expire in background
115
116         $d1 = get_config('system','last_expire_day');
117         $d2 = intval(datetime_convert('UTC','UTC','now','d'));
118
119         if($d2 != intval($d1)) {
120
121                 update_contact_birthdays();
122
123                 proc_run(PRIORITY_LOW,"include/discover_poco.php", "suggestions");
124
125                 set_config('system','last_expire_day',$d2);
126
127                 proc_run(PRIORITY_LOW,'include/expire.php');
128         }
129
130         // Clear cache entries
131         cron_clear_cache($a);
132
133         // Repair missing Diaspora values in contacts
134         cron_repair_diaspora($a);
135
136         // Repair entries in the database
137         cron_repair_database();
138
139         // Poll contacts
140         cron_poll_contacts($argc, $argv);
141
142         logger('cron: end');
143
144         set_config('system','last_cron', time());
145
146         return;
147 }
148
149 /**
150  * @brief Expire and remove user entries
151  */
152 function cron_expire_and_remove_users() {
153         // expire any expired accounts
154         q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
155                 AND `account_expires_on` != '0000-00-00 00:00:00'
156                 AND `account_expires_on` < UTC_TIMESTAMP() ");
157
158         // delete user and contact records for recently removed accounts
159         $r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
160         if ($r) {
161                 foreach($r as $user) {
162                         q("DELETE FROM `contact` WHERE `uid` = %d", intval($user['uid']));
163                         q("DELETE FROM `user` WHERE `uid` = %d", intval($user['uid']));
164                 }
165         }
166 }
167
168 /**
169  * @brief Poll contacts for unreceived messages
170  *
171  * @param Integer $argc Number of command line arguments
172  * @param Array $argv Array of command line arguments
173  */
174 function cron_poll_contacts($argc, $argv) {
175         $manual_id  = 0;
176         $generation = 0;
177         $force      = false;
178         $restart    = false;
179
180         if (($argc > 1) && ($argv[1] == 'force'))
181                 $force = true;
182
183         if (($argc > 1) && ($argv[1] == 'restart')) {
184                 $restart = true;
185                 $generation = intval($argv[2]);
186                 if (!$generation)
187                         killme();
188         }
189
190         if (($argc > 1) && intval($argv[1])) {
191                 $manual_id = intval($argv[1]);
192                 $force     = true;
193         }
194
195         $interval = intval(get_config('system','poll_interval'));
196         if (!$interval)
197                 $interval = ((get_config('system','delivery_interval') === false) ? 3 : intval(get_config('system','delivery_interval')));
198
199         // If we are using the worker we don't need a delivery interval
200         if (get_config("system", "worker"))
201                 $interval = false;
202
203         $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
204
205         reload_plugins();
206
207         $d = datetime_convert();
208
209         // Only poll from those with suitable relationships,
210         // and which have a polling address and ignore Diaspora since
211         // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
212
213         $abandon_days = intval(get_config('system','account_abandon_days'));
214         if($abandon_days < 1)
215                 $abandon_days = 0;
216
217         $abandon_sql = (($abandon_days)
218                 ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
219                 : ''
220         );
221
222         $contacts = q("SELECT `contact`.`id` FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
223                 WHERE `rel` IN (%d, %d) AND `poll` != '' AND `network` IN ('%s', '%s', '%s', '%s', '%s', '%s')
224                 $sql_extra
225                 AND NOT `self` AND NOT `contact`.`blocked` AND NOT `contact`.`readonly` AND NOT `contact`.`archive`
226                 AND NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql ORDER BY RAND()",
227                 intval(CONTACT_IS_SHARING),
228                 intval(CONTACT_IS_FRIEND),
229                 dbesc(NETWORK_DFRN),
230                 dbesc(NETWORK_ZOT),
231                 dbesc(NETWORK_OSTATUS),
232                 dbesc(NETWORK_FEED),
233                 dbesc(NETWORK_MAIL),
234                 dbesc(NETWORK_MAIL2)
235         );
236
237         if (!count($contacts)) {
238                 return;
239         }
240
241         foreach ($contacts as $c) {
242
243                 $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
244                         intval($c['id'])
245                 );
246
247                 if((! $res) || (! count($res)))
248                         continue;
249
250                 foreach($res as $contact) {
251
252                         $xml = false;
253
254                         if($manual_id)
255                                 $contact['last-update'] = '0000-00-00 00:00:00';
256
257                         if(in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS)))
258                                 $contact['priority'] = 2;
259
260                         if($contact['subhub'] AND in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS))) {
261                                 // We should be getting everything via a hub. But just to be sure, let's check once a day.
262                                 // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
263                                 // This also lets us update our subscription to the hub, and add or replace hubs in case it
264                                 // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
265
266                                 $poll_interval = get_config('system','pushpoll_frequency');
267                                 $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
268                         }
269
270                         if($contact['priority'] AND !$force) {
271
272                                 $update     = false;
273
274                                 $t = $contact['last-update'];
275
276                                 /**
277                                  * Based on $contact['priority'], should we poll this site now? Or later?
278                                  */
279
280                                 switch ($contact['priority']) {
281                                         case 5:
282                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
283                                                         $update = true;
284                                                 break;
285                                         case 4:
286                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
287                                                         $update = true;
288                                                 break;
289                                         case 3:
290                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
291                                                         $update = true;
292                                                 break;
293                                         case 2:
294                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
295                                                         $update = true;
296                                                 break;
297                                         case 1:
298                                         default:
299                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
300                                                         $update = true;
301                                                 break;
302                                 }
303                                 if (!$update)
304                                         continue;
305                         }
306
307                         logger("Polling ".$contact["network"]." ".$contact["id"]." ".$contact["nick"]." ".$contact["name"]);
308
309                         proc_run(PRIORITY_MEDIUM,'include/onepoll.php',$contact['id']);
310
311                         if($interval)
312                                 @time_sleep_until(microtime(true) + (float) $interval);
313                 }
314         }
315 }
316
317 /**
318  * @brief Clear cache entries
319  *
320  * @param App $a
321  */
322 function cron_clear_cache(&$a) {
323
324         $last = get_config('system','cache_last_cleared');
325
326         if($last) {
327                 $next = $last + (3600); // Once per hour
328                 $clear_cache = ($next <= time());
329         } else
330                 $clear_cache = true;
331
332         if (!$clear_cache)
333                 return;
334
335         // clear old cache
336         Cache::clear();
337
338         // clear old item cache files
339         clear_cache();
340
341         // clear cache for photos
342         clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
343
344         // clear smarty cache
345         clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
346
347         // clear cache for image proxy
348         if (!get_config("system", "proxy_disabled")) {
349                 clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
350
351                 $cachetime = get_config('system','proxy_cache_time');
352                 if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
353
354                 q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
355         }
356
357         // Delete the cached OEmbed entries that are older than one year
358         q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 1 YEAR");
359
360         // Delete the cached "parse_url" entries that are older than one year
361         q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 1 YEAR");
362
363         // Maximum table size in megabyte
364         $max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
365         if ($max_tablesize == 0)
366                 $max_tablesize = 100 * 1000000; // Default are 100 MB
367
368         if ($max_tablesize > 0) {
369                 // Minimum fragmentation level in percent
370                 $fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
371                 if ($fragmentation_level == 0)
372                         $fragmentation_level = 0.3; // Default value is 30%
373
374                 // Optimize some tables that need to be optimized
375                 $r = q("SHOW TABLE STATUS");
376                 foreach($r as $table) {
377
378                         // Don't optimize tables that are too large
379                         if ($table["Data_length"] > $max_tablesize)
380                                 continue;
381
382                         // Don't optimize empty tables
383                         if ($table["Data_length"] == 0)
384                                 continue;
385
386                         // Calculate fragmentation
387                         $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
388
389                         logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
390
391                         // Don't optimize tables that needn't to be optimized
392                         if ($fragmentation < $fragmentation_level)
393                                 continue;
394
395                         // So optimize it
396                         logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
397                         q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
398                 }
399         }
400
401         set_config('system','cache_last_cleared', time());
402 }
403
404 /**
405  * @brief Repair missing values in Diaspora contacts
406  *
407  * @param App $a
408  */
409 function cron_repair_diaspora(&$a) {
410         $r = q("SELECT `id`, `url` FROM `contact`
411                 WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
412                         ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
413         if ($r) {
414                 foreach ($r AS $contact) {
415                         if (poco_reachable($contact["url"])) {
416                                 $data = probe_url($contact["url"]);
417                                 if ($data["network"] == NETWORK_DIASPORA) {
418                                         logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
419                                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
420                                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
421                                                 intval($contact["id"]));
422                                 }
423                         }
424                 }
425         }
426 }
427
428 /**
429  * @brief Do some repairs in database entries
430  *
431  */
432 function cron_repair_database() {
433
434         // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
435         // This call is very "cheap" so we can do it at any time without a problem
436         q("UPDATE `item` INNER JOIN `item` AS `parent` ON `parent`.`uri` = `item`.`parent-uri` AND `parent`.`uid` = `item`.`uid` SET `item`.`parent` = `parent`.`id` WHERE `item`.`parent` = 0");
437
438         // There was an issue where the nick vanishes from the contact table
439         q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
440
441         // Update the global contacts for local users
442         $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
443         if ($r)
444                 foreach ($r AS $user)
445                         update_gcontact_for_user($user["uid"]);
446
447         /// @todo
448         /// - remove thread entries without item
449         /// - remove sign entries without item
450         /// - remove children when parent got lost
451         /// - set contact-id in item when not present
452 }
453
454 if (array_search(__file__,get_included_files())===0){
455         cron_run($_SERVER["argv"],$_SERVER["argc"]);
456         killme();
457 }