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