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