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`, `contact`.`nick`, `contact`.`name`, `contact`.`network`,
 157                                         `contact`.`last-update`, `contact`.`priority`, `contact`.`subhub`
 158                                 FROM `user`
 159                                 STRAIGHT_JOIN `contact`
 160                                 ON `contact`.`uid` = `user`.`uid` AND `contact`.`rel` IN (%d, %d) AND `contact`.`poll` != ''
 161                                         AND `contact`.`network` IN ('%s', '%s', '%s', '%s', '%s') $sql_extra
 162                                         AND NOT `contact`.`self` AND NOT `contact`.`blocked` AND NOT `contact`.`readonly`
 163                                         AND NOT `contact`.`archive`
 164                                 WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql",
 165                         intval(CONTACT_IS_SHARING),
 166                         intval(CONTACT_IS_FRIEND),
 167                         dbesc(NETWORK_DFRN),
 168                         dbesc(NETWORK_OSTATUS),
 169                         dbesc(NETWORK_DIASPORA),
 170                         dbesc(NETWORK_FEED),
 171                         dbesc(NETWORK_MAIL)
 172                 );
 173
 174                 if (!DBM::is_result($contacts)) {
 175                         return;
 176                 }
 177
 178                 foreach ($contacts as $contact) {
 179
 180                         if ($manual_id) {
 181                                 $contact['last-update'] = NULL_DATE;
 182                         }
 183
 184                         if (in_array($contact['network'], array(NETWORK_DFRN, NETWORK_OSTATUS))) {
 185                                 $contact['priority'] = 2;
 186                         }
 187
 188                         if ($contact['subhub'] && in_array($contact['network'], array(NETWORK_DFRN, NETWORK_OSTATUS))) {
 189                                 /*
 190                                  * We should be getting everything via a hub. But just to be sure, let's check once a day.
 191                                  * (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 192                                  * This also lets us update our subscription to the hub, and add or replace hubs in case it
 193                                  * changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 194                                  */
 195                                 $poll_interval = Config::get('system', 'pushpoll_frequency');
 196                                 $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
 197                         }
 198
 199                         if (($contact['priority'] >= 0) && !$force) {
 200                                 $update = false;
 201
 202                                 $t = $contact['last-update'];
 203
 204                                 /*
 205                                  * Based on $contact['priority'], should we poll this site now? Or later?
 206                                  */
 207                                 switch ($contact['priority']) {
 208                                         case 5:
 209                                                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 month")) {
 210                                                         $update = true;
 211                                                 }
 212                                                 break;
 213                                         case 4:
 214                                                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 week")) {
 215                                                         $update = true;
 216                                                 }
 217                                                 break;
 218                                         case 3:
 219                                                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
 220                                                         $update = true;
 221                                                 }
 222                                                 break;
 223                                         case 2:
 224                                                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 12 hour")) {
 225                                                         $update = true;
 226                                                 }
 227                                                 break;
 228                                         case 1:
 229                                                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 hour")) {
 230                                                         $update = true;
 231                                                 }
 232                                                 break;
 233                                         case 0:
 234                                         default:
 235                                                 if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + ".$min_poll_interval." minute")) {
 236                                                         $update = true;
 237                                                 }
 238                                                 break;
 239                                 }
 240                                 if (!$update) {
 241                                         continue;
 242                                 }
 243                         }
 244
 245                         logger("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact["nick"] . " " . $contact["name"]);
 246
 247                         if (($contact['network'] == NETWORK_FEED) && ($contact['priority'] <= 3)) {
 248                                 $priority = PRIORITY_MEDIUM;
 249                         } else {
 250                                 $priority = PRIORITY_LOW;
 251                         }
 252                         Worker::add(array('priority' => $priority, 'dont_fork' => true), 'OnePoll', (int)$contact['id']);
 253                 }
 254         }
 255 }