src/Worker/Cron.php

   1 <?php
   2 /**
   3  * @file src/Worker/Cron.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\Core\Addon;
   8 use Friendica\Core\Config;
   9 use Friendica\Core\Worker;
  10 use Friendica\Database\DBM;
  11 use Friendica\Util\DateTimeFormat;
  12 use dba;
  13
  14 require_once 'include/dba.php';
  15
  16 Class Cron {
  17         public static function execute($parameter = '', $generation = 0) {
  18                 global $a;
  19
  20                 // Poll contacts with specific parameters
  21                 if (!empty($parameter)) {
  22                         self::pollContacts($parameter, $generation);
  23                         return;
  24                 }
  25
  26                 $last = Config::get('system', 'last_cron');
  27
  28                 $poll_interval = intval(Config::get('system', 'cron_interval'));
  29                 if (! $poll_interval) {
  30                         $poll_interval = 10;
  31                 }
  32
  33                 if ($last) {
  34                         $next = $last + ($poll_interval * 60);
  35                         if ($next > time()) {
  36                                 logger('cron intervall not reached');
  37                                 return;
  38                         }
  39                 }
  40
  41                 logger('cron: start');
  42
  43                 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
  44                 Addon::forkHooks($a->queue['priority'], "cron");
  45
  46                 // run queue delivery process in the background
  47                 Worker::add(PRIORITY_NEGLIGIBLE, "Queue");
  48
  49                 // run the process to discover global contacts in the background
  50                 Worker::add(PRIORITY_LOW, "DiscoverPoCo");
  51
  52                 // run the process to update locally stored global contacts in the background
  53                 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "checkcontact");
  54
  55                 // Expire and remove user entries
  56                 Worker::add(PRIORITY_MEDIUM, "CronJobs", "expire_and_remove_users");
  57
  58                 // Call possible post update functions
  59                 Worker::add(PRIORITY_LOW, "CronJobs", "post_update");
  60
  61                 // update nodeinfo data
  62                 Worker::add(PRIORITY_LOW, "CronJobs", "nodeinfo");
  63
  64                 // Clear cache entries
  65                 Worker::add(PRIORITY_LOW, "CronJobs", "clear_cache");
  66
  67                 // Repair missing Diaspora values in contacts
  68                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_diaspora");
  69
  70                 // Repair entries in the database
  71                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_database");
  72
  73                 // once daily run birthday_updates and then expire in background
  74                 $d1 = Config::get('system', 'last_expire_day');
  75                 $d2 = intval(DateTimeFormat::utcNow('d'));
  76
  77                 if ($d2 != intval($d1)) {
  78
  79                         Worker::add(PRIORITY_LOW, "CronJobs", "update_contact_birthdays");
  80
  81                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "update_server");
  82
  83                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "suggestions");
  84
  85                         Config::set('system', 'last_expire_day', $d2);
  86
  87                         Worker::add(PRIORITY_LOW, 'Expire');
  88
  89                         Worker::add(PRIORITY_MEDIUM, 'DBClean');
  90
  91                         Worker::add(PRIORITY_LOW, "CronJobs", "update_photo_albums");
  92
  93                         // Delete all done workerqueue entries
  94                         dba::delete('workerqueue', ['`done` AND `executed` < UTC_TIMESTAMP() - INTERVAL 12 HOUR']);
  95
  96                         // check upstream version?
  97                         Worker::add(PRIORITY_LOW, 'CheckVersion');
  98                 }
  99
 100                 // Poll contacts
 101                 self::pollContacts($parameter, $generation);
 102
 103                 logger('cron: end');
 104
 105                 Config::set('system', 'last_cron', time());
 106
 107                 return;
 108         }
 109
 110         /**
 111          * @brief Poll contacts for unreceived messages
 112          *
 113          * @todo Currently it seems as if the following parameter aren't used at all ...
 114          *
 115          * @param string $parameter Parameter (force, restart, ...) for the contact polling
 116          * @param integer $generation
 117          */
 118         private static function pollContacts($parameter, $generation) {
 119                 $manual_id  = 0;
 120                 $generation = 0;
 121                 $force      = false;
 122                 $restart    = false;
 123
 124                 if ($parameter == 'force') {
 125                         $force = true;
 126                 }
 127                 if ($parameter == 'restart') {
 128                         $restart = true;
 129                         $generation = intval($generation);
 130                         if (!$generation) {
 131                                 killme();
 132                         }
 133                 }
 134
 135                 if (intval($parameter)) {
 136                         $manual_id = intval($parameter);
 137                         $force     = true;
 138                 }
 139
 140                 $min_poll_interval = Config::get('system', 'min_poll_interval', 1);
 141
 142                 $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
 143
 144                 Addon::reload();
 145
 146                 $d = DateTimeFormat::utcNow();
 147
 148                 // Only poll from those with suitable relationships,
 149                 // and which have a polling address and ignore Diaspora since
 150                 // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
 151
 152                 $abandon_days = intval(Config::get('system', 'account_abandon_days'));
 153                 if ($abandon_days < 1) {
 154                         $abandon_days = 0;
 155                 }
 156                 $abandon_sql = (($abandon_days)
 157                         ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
 158                         : ''
 159                 );
 160
 161                 $contacts = q("SELECT `contact`.`id`, `contact`.`nick`, `contact`.`name`, `contact`.`network`, `contact`.`archive`,
 162                                         `contact`.`last-update`, `contact`.`priority`, `contact`.`rel`, `contact`.`subhub`
 163                                 FROM `user`
 164                                 STRAIGHT_JOIN `contact`
 165                                 ON `contact`.`uid` = `user`.`uid` AND `contact`.`poll` != ''
 166                                         AND `contact`.`network` IN ('%s', '%s', '%s', '%s', '%s') $sql_extra
 167                                         AND NOT `contact`.`self` AND NOT `contact`.`blocked`
 168                                 WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql",
 169                         dbesc(NETWORK_DFRN),
 170                         dbesc(NETWORK_OSTATUS),
 171                         dbesc(NETWORK_DIASPORA),
 172                         dbesc(NETWORK_FEED),
 173                         dbesc(NETWORK_MAIL)
 174                 );
 175
 176                 if (!DBM::is_result($contacts)) {
 177                         return;
 178                 }
 179
 180                 foreach ($contacts as $contact) {
 181
 182                         if ($manual_id) {
 183                                 $contact['last-update'] = NULL_DATE;
 184                         }
 185
 186                         // Friendica and OStatus are checked once a day
 187                         if (in_array($contact['network'], [NETWORK_DFRN, NETWORK_OSTATUS])) {
 188                                 $contact['priority'] = 2;
 189                         }
 190
 191                         if ($contact['subhub'] && in_array($contact['network'], [NETWORK_DFRN, NETWORK_OSTATUS])) {
 192                                 /*
 193                                  * We should be getting everything via a hub. But just to be sure, let's check once a day.
 194                                  * (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 195                                  * This also lets us update our subscription to the hub, and add or replace hubs in case it
 196                                  * changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 197                                  */
 198                                 $poll_interval = Config::get('system', 'pushpoll_frequency');
 199                                 $contact['priority'] = (!is_null($poll_interval) ? intval($poll_interval) : 3);
 200                         }
 201
 202                         // Check Diaspora contacts or followers once a week
 203                         if (($contact["network"] == NETWORK_DIASPORA) || ($contact["rel"] == CONTACT_IS_FOLLOWER)) {
 204                                 $contact['priority'] = 4;
 205                         }
 206
 207                         // Check archived contacts once a month
 208                         if ($contact['archive']) {
 209                                 $contact['priority'] = 5;
 210                         }
 211
 212                         if (($contact['priority'] >= 0) && !$force) {
 213                                 $update = false;
 214
 215                                 $t = $contact['last-update'];
 216
 217                                 /*
 218                                  * Based on $contact['priority'], should we poll this site now? Or later?
 219                                  */
 220                                 switch ($contact['priority']) {
 221                                         case 5:
 222                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 month")) {
 223                                                         $update = true;
 224                                                 }
 225                                                 break;
 226                                         case 4:
 227                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 week")) {
 228                                                         $update = true;
 229                                                 }
 230                                                 break;
 231                                         case 3:
 232                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
 233                                                         $update = true;
 234                                                 }
 235                                                 break;
 236                                         case 2:
 237                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 12 hour")) {
 238                                                         $update = true;
 239                                                 }
 240                                                 break;
 241                                         case 1:
 242                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 hour")) {
 243                                                         $update = true;
 244                                                 }
 245                                                 break;
 246                                         case 0:
 247                                         default:
 248                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + ".$min_poll_interval." minute")) {
 249                                                         $update = true;
 250                                                 }
 251                                                 break;
 252                                 }
 253                                 if (!$update) {
 254                                         continue;
 255                                 }
 256                         }
 257
 258                         if (($contact['network'] == NETWORK_FEED) && ($contact['priority'] <= 3)) {
 259                                 $priority = PRIORITY_MEDIUM;
 260                         } elseif ($contact['archive']) {
 261                                 $priority = PRIORITY_NEGLIGIBLE;
 262                         } else {
 263                                 $priority = PRIORITY_LOW;
 264                         }
 265
 266                         logger("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact['priority'] . " " . $contact["nick"] . " " . $contact["name"]);
 267
 268                         Worker::add(['priority' => $priority, 'dont_fork' => true], 'OnePoll', (int)$contact['id']);
 269                 }
 270         }
 271 }