src/Worker/Cron.php

   1 <?php
   2 /**
   3  * @file src/Worker/Cron.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Config;
   8 use Friendica\Core\Worker;
   9 use Friendica\Database\DBM;
  10 use dba;
  11
  12 Class Cron {
  13         public static function execute($parameter = '', $generation = 0) {
  14                 global $a;
  15
  16                 require_once 'include/datetime.php';
  17
  18                 // Poll contacts with specific parameters
  19                 if (!empty($parameter)) {
  20                         self::pollContacts($parameter, $generation);
  21                         return;
  22                 }
  23
  24                 $last = Config::get('system', 'last_cron');
  25
  26                 $poll_interval = intval(Config::get('system', 'cron_interval'));
  27                 if (! $poll_interval) {
  28                         $poll_interval = 10;
  29                 }
  30
  31                 if ($last) {
  32                         $next = $last + ($poll_interval * 60);
  33                         if ($next > time()) {
  34                                 logger('cron intervall not reached');
  35                                 return;
  36                         }
  37                 }
  38
  39                 logger('cron: start');
  40
  41                 // run queue delivery process in the background
  42                 Worker::add(PRIORITY_NEGLIGIBLE, "queue");
  43
  44                 // run the process to discover global contacts in the background
  45                 Worker::add(PRIORITY_LOW, "DiscoverPoCo");
  46
  47                 // run the process to update locally stored global contacts in the background
  48                 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "checkcontact");
  49
  50                 // Expire and remove user entries
  51                 Worker::add(PRIORITY_MEDIUM, "CronJobs", "expire_and_remove_users");
  52
  53                 // Call possible post update functions
  54                 Worker::add(PRIORITY_LOW, "CronJobs", "post_update");
  55
  56                 // update nodeinfo data
  57                 Worker::add(PRIORITY_LOW, "CronJobs", "nodeinfo");
  58
  59                 // Clear cache entries
  60                 Worker::add(PRIORITY_LOW, "CronJobs", "clear_cache");
  61
  62                 // Repair missing Diaspora values in contacts
  63                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_diaspora");
  64
  65                 // Repair entries in the database
  66                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_database");
  67
  68                 // once daily run birthday_updates and then expire in background
  69                 $d1 = Config::get('system', 'last_expire_day');
  70                 $d2 = intval(datetime_convert('UTC', 'UTC', 'now', 'd'));
  71
  72                 if ($d2 != intval($d1)) {
  73
  74                         Worker::add(PRIORITY_LOW, "CronJobs", "update_contact_birthdays");
  75
  76                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "update_server");
  77
  78                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "suggestions");
  79
  80                         Config::set('system', 'last_expire_day', $d2);
  81
  82                         Worker::add(PRIORITY_LOW, 'Expire');
  83
  84                         Worker::add(PRIORITY_MEDIUM, 'DBClean');
  85
  86                         Worker::add(PRIORITY_LOW, "CronJobs", "update_photo_albums");
  87
  88                         // Delete all done workerqueue entries
  89                         dba::delete('workerqueue', array('`done` AND `executed` < UTC_TIMESTAMP() - INTERVAL 12 HOUR'));
  90
  91                         // check upstream version?
  92                         Worker::add(PRIORITY_LOW, 'CheckVersion');
  93                 }
  94
  95                 // Poll contacts
  96                 self::pollContacts($parameter, $generation);
  97
  98                 logger('cron: end');
  99
 100                 Config::set('system', 'last_cron', time());
 101
 102                 return;
 103         }
 104
 105         /**
 106          * @brief Poll contacts for unreceived messages
 107          *
 108          * @todo Currently it seems as if the following parameter aren't used at all ...
 109          *
 110          * @param string $parameter Parameter (force, restart, ...) for the contact polling
 111          * @param integer $generation
 112          */
 113         private static function pollContacts($parameter, $generation) {
 114                 $manual_id  = 0;
 115                 $generation = 0;
 116                 $force      = false;
 117                 $restart    = false;
 118
 119                 if ($parameter == 'force') {
 120                         $force = true;
 121                 }
 122                 if ($parameter == 'restart') {
 123                         $restart = true;
 124                         $generation = intval($generation);
 125                         if (!$generation) {
 126                                 killme();
 127                         }
 128                 }
 129
 130                 if (intval($parameter)) {
 131                         $manual_id = intval($parameter);
 132                         $force     = true;
 133                 }
 134
 135                 $min_poll_interval = Config::get('system', 'min_poll_interval', 1);
 136
 137                 $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
 138
 139                 reload_plugins();
 140
 141                 $d = datetime_convert();
 142
 143                 // Only poll from those with suitable relationships,
 144                 // and which have a polling address and ignore Diaspora since
 145                 // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
 146
 147                 $abandon_days = intval(Config::get('system', 'account_abandon_days'));
 148                 if ($abandon_days < 1) {
 149                         $abandon_days = 0;
 150                 }
 151                 $abandon_sql = (($abandon_days)
 152                         ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
 153                         : ''
 154                 );
 155
 156                 $contacts = q("SELECT `contact`.`id` FROM `user`
 157                                 STRAIGHT_JOIN `contact`
 158                                 ON `contact`.`uid` = `user`.`uid` AND `contact`.`rel` IN (%d, %d) AND `contact`.`poll` != ''
 159                                         AND `contact`.`network` IN ('%s', '%s', '%s', '%s', '%s', '%s') $sql_extra
 160                                         AND NOT `contact`.`self` AND NOT `contact`.`blocked` AND NOT `contact`.`readonly`
 161                                         AND NOT `contact`.`archive`
 162                                 WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql ORDER BY RAND()",
 163                         intval(CONTACT_IS_SHARING),
 164                         intval(CONTACT_IS_FRIEND),
 165                         dbesc(NETWORK_DFRN),
 166                         dbesc(NETWORK_ZOT),
 167                         dbesc(NETWORK_OSTATUS),
 168                         dbesc(NETWORK_FEED),
 169                         dbesc(NETWORK_MAIL),
 170                         dbesc(NETWORK_MAIL2)
 171                 );
 172
 173                 if (!DBM::is_result($contacts)) {
 174                         return;
 175                 }
 176
 177                 foreach ($contacts as $c) {
 178
 179                         $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 180                                 intval($c['id'])
 181                         );
 182
 183                         if (!DBM::is_result($res)) {
 184                                 continue;
 185                         }
 186
 187                         foreach ($res as $contact) {
 188
 189                                 $xml = false;
 190
 191                                 if ($manual_id) {
 192                                         $contact['last-update'] = NULL_DATE;
 193                                 }
 194
 195                                 if (in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS))) {
 196                                         $contact['priority'] = 2;
 197                                 }
 198
 199                                 if ($contact['subhub'] && in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS))) {
 200                                         /*
 201                                          * We should be getting everything via a hub. But just to be sure, let's check once a day.
 202                                          * (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 203                                          * This also lets us update our subscription to the hub, and add or replace hubs in case it
 204                                          * changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 205                                          */
 206                                         $poll_interval = Config::get('system', 'pushpoll_frequency');
 207                                         $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
 208                                 }
 209
 210                                 if (($contact['priority'] >= 0) && !$force) {
 211                                         $update = false;
 212
 213                                         $t = $contact['last-update'];
 214
 215                                         /*
 216                                          * Based on $contact['priority'], should we poll this site now? Or later?
 217                                          */
 218                                         switch ($contact['priority']) {
 219                                                 case 5:
 220                                                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 month")) {
 221                                                                 $update = true;
 222                                                         }
 223                                                         break;
 224                                                 case 4:
 225                                                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 week")) {
 226                                                                 $update = true;
 227                                                         }
 228                                                         break;
 229                                                 case 3:
 230                                                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
 231                                                                 $update = true;
 232                                                         }
 233                                                         break;
 234                                                 case 2:
 235                                                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 12 hour")) {
 236                                                                 $update = true;
 237                                                         }
 238                                                         break;
 239                                                 case 1:
 240                                                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 hour")) {
 241                                                                 $update = true;
 242                                                         }
 243                                                         break;
 244                                                 case 0:
 245                                                 default:
 246                                                         if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + ".$min_poll_interval." minute")) {
 247                                                                 $update = true;
 248                                                         }
 249                                                         break;
 250                                         }
 251                                         if (!$update) {
 252                                                 continue;
 253                                         }
 254                                 }
 255
 256                                 logger("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact["nick"] . " " . $contact["name"]);
 257
 258                                 if (($contact['network'] == NETWORK_FEED) && ($contact['priority'] <= 3)) {
 259                                         $priority = PRIORITY_MEDIUM;
 260                                 } else {
 261                                         $priority = PRIORITY_LOW;
 262                                 }
 263                                 Worker::add(array('priority' => $priority, 'dont_fork' => true), 'OnePoll', (int)$contact['id']);
 264                         }
 265                 }
 266         }
 267 }