src/Worker/Cron.php

   1 <?php
   2 /**
   3  * @file src/Worker/Cron.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\BaseObject;
   8 use Friendica\Core\Addon;
   9 use Friendica\Core\Config;
  10 use Friendica\Core\Hook;
  11 use Friendica\Core\Protocol;
  12 use Friendica\Core\Worker;
  13 use Friendica\Database\DBA;
  14 use Friendica\Model\Contact;
  15 use Friendica\Util\DateTimeFormat;
  16
  17 require_once 'include/dba.php';
  18
  19 class Cron
  20 {
  21         public static function execute($parameter = '', $generation = 0)
  22         {
  23                 $a = BaseObject::getApp();
  24
  25                 // Poll contacts with specific parameters
  26                 if (!empty($parameter)) {
  27                         self::pollContacts($parameter, $generation);
  28                         return;
  29                 }
  30
  31                 $last = Config::get('system', 'last_cron');
  32
  33                 $poll_interval = intval(Config::get('system', 'cron_interval'));
  34                 if (! $poll_interval) {
  35                         $poll_interval = 10;
  36                 }
  37
  38                 if ($last) {
  39                         $next = $last + ($poll_interval * 60);
  40                         if ($next > time()) {
  41                                 logger('cron intervall not reached');
  42                                 return;
  43                         }
  44                 }
  45
  46                 logger('cron: start');
  47
  48                 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
  49                 Hook::fork($a->queue['priority'], "cron");
  50
  51                 // run queue delivery process in the background
  52                 Worker::add(PRIORITY_NEGLIGIBLE, "Queue");
  53
  54                 // run the process to discover global contacts in the background
  55                 Worker::add(PRIORITY_LOW, "DiscoverPoCo");
  56
  57                 // run the process to update locally stored global contacts in the background
  58                 Worker::add(PRIORITY_LOW, "DiscoverPoCo", "checkcontact");
  59
  60                 // Expire and remove user entries
  61                 Worker::add(PRIORITY_MEDIUM, "CronJobs", "expire_and_remove_users");
  62
  63                 // Call possible post update functions
  64                 Worker::add(PRIORITY_LOW, "CronJobs", "post_update");
  65
  66                 // Clear cache entries
  67                 Worker::add(PRIORITY_LOW, "CronJobs", "clear_cache");
  68
  69                 // Repair missing Diaspora values in contacts
  70                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_diaspora");
  71
  72                 // Repair entries in the database
  73                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_database");
  74
  75                 // once daily run birthday_updates and then expire in background
  76                 $d1 = Config::get('system', 'last_expire_day');
  77                 $d2 = intval(DateTimeFormat::utcNow('d'));
  78
  79                 // Daily cron calls
  80                 if ($d2 != intval($d1)) {
  81
  82                         Worker::add(PRIORITY_LOW, "CronJobs", "update_contact_birthdays");
  83
  84                         Worker::add(PRIORITY_LOW, "CronJobs", "update_photo_albums");
  85
  86                         // update nodeinfo data
  87                         Worker::add(PRIORITY_LOW, "CronJobs", "nodeinfo");
  88
  89                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "update_server");
  90
  91                         Worker::add(PRIORITY_LOW, "DiscoverPoCo", "suggestions");
  92
  93                         Worker::add(PRIORITY_LOW, 'Expire');
  94
  95                         Worker::add(PRIORITY_MEDIUM, 'DBClean');
  96
  97                         // check upstream version?
  98                         Worker::add(PRIORITY_LOW, 'CheckVersion');
  99
 100                         Config::set('system', 'last_expire_day', $d2);
 101                 }
 102
 103                 // Hourly cron calls
 104                 if (Config::get('system', 'last_cron_hourly', 0) + 3600 < time()) {
 105
 106                         // Delete all done workerqueue entries
 107                         DBA::delete('workerqueue', ['`done` AND `executed` < UTC_TIMESTAMP() - INTERVAL 1 HOUR']);
 108
 109                         // Optimizing this table only last seconds
 110                         if (Config::get('system', 'optimize_workerqueue', false)) {
 111                                 DBA::e("OPTIMIZE TABLE `workerqueue`");
 112                         }
 113
 114                         Config::set('system', 'last_cron_hourly', time());
 115                 }
 116
 117                 // Ensure to have a .htaccess file.
 118                 // this is a precaution for systems that update automatically
 119                 $basepath = $a->getBasePath();
 120                 if (!file_exists($basepath . '/.htaccess')) {
 121                         copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
 122                 }
 123
 124                 // Poll contacts
 125                 self::pollContacts($parameter, $generation);
 126
 127                 logger('cron: end');
 128
 129                 Config::set('system', 'last_cron', time());
 130
 131                 return;
 132         }
 133
 134         /**
 135          * @brief Poll contacts for unreceived messages
 136          *
 137          * @todo Currently it seems as if the following parameter aren't used at all ...
 138          *
 139          * @param string $parameter Parameter (force, restart, ...) for the contact polling
 140          * @param integer $generation
 141          */
 142         private static function pollContacts($parameter, $generation) {
 143                 $manual_id  = 0;
 144                 $generation = 0;
 145                 $force      = false;
 146                 $restart    = false;
 147
 148                 if ($parameter == 'force') {
 149                         $force = true;
 150                 }
 151                 if ($parameter == 'restart') {
 152                         $restart = true;
 153                         $generation = intval($generation);
 154                         if (!$generation) {
 155                                 killme();
 156                         }
 157                 }
 158
 159                 if (intval($parameter)) {
 160                         $manual_id = intval($parameter);
 161                         $force     = true;
 162                 }
 163
 164                 $min_poll_interval = Config::get('system', 'min_poll_interval', 1);
 165
 166                 $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
 167
 168                 Addon::reload();
 169
 170                 $d = DateTimeFormat::utcNow();
 171
 172                 // Only poll from those with suitable relationships,
 173                 // and which have a polling address and ignore Diaspora since
 174                 // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
 175
 176                 $abandon_days = intval(Config::get('system', 'account_abandon_days'));
 177                 if ($abandon_days < 1) {
 178                         $abandon_days = 0;
 179                 }
 180                 $abandon_sql = (($abandon_days)
 181                         ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
 182                         : ''
 183                 );
 184
 185                 $contacts = q("SELECT `contact`.`id`, `contact`.`nick`, `contact`.`name`, `contact`.`network`, `contact`.`archive`,
 186                                         `contact`.`last-update`, `contact`.`priority`, `contact`.`rel`, `contact`.`subhub`
 187                                 FROM `user`
 188                                 STRAIGHT_JOIN `contact`
 189                                 ON `contact`.`uid` = `user`.`uid` AND `contact`.`poll` != ''
 190                                         AND `contact`.`network` IN ('%s', '%s', '%s', '%s', '%s') $sql_extra
 191                                         AND NOT `contact`.`self` AND NOT `contact`.`blocked`
 192                                 WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql",
 193                         DBA::escape(Protocol::DFRN),
 194                         DBA::escape(Protocol::OSTATUS),
 195                         DBA::escape(Protocol::DIASPORA),
 196                         DBA::escape(Protocol::FEED),
 197                         DBA::escape(Protocol::MAIL)
 198                 );
 199
 200                 if (!DBA::isResult($contacts)) {
 201                         return;
 202                 }
 203
 204                 foreach ($contacts as $contact) {
 205
 206                         if ($manual_id) {
 207                                 $contact['last-update'] = DBA::NULL_DATETIME;
 208                         }
 209
 210                         // Friendica and OStatus are checked once a day
 211                         if (in_array($contact['network'], [Protocol::DFRN, Protocol::OSTATUS])) {
 212                                 $contact['priority'] = 2;
 213                         }
 214
 215                         if ($contact['subhub'] && in_array($contact['network'], [Protocol::DFRN, Protocol::OSTATUS])) {
 216                                 /*
 217                                  * We should be getting everything via a hub. But just to be sure, let's check once a day.
 218                                  * (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 219                                  * This also lets us update our subscription to the hub, and add or replace hubs in case it
 220                                  * changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 221                                  */
 222                                 $poll_interval = Config::get('system', 'pushpoll_frequency');
 223                                 $contact['priority'] = (!is_null($poll_interval) ? intval($poll_interval) : 3);
 224                         }
 225
 226                         // Check Diaspora contacts or followers once a week
 227                         if (($contact["network"] == Protocol::DIASPORA) || ($contact["rel"] == Contact::FOLLOWER)) {
 228                                 $contact['priority'] = 4;
 229                         }
 230
 231                         // Check archived contacts once a month
 232                         if ($contact['archive']) {
 233                                 $contact['priority'] = 5;
 234                         }
 235
 236                         if (($contact['priority'] >= 0) && !$force) {
 237                                 $update = false;
 238
 239                                 $t = $contact['last-update'];
 240
 241                                 /*
 242                                  * Based on $contact['priority'], should we poll this site now? Or later?
 243                                  */
 244                                 switch ($contact['priority']) {
 245                                         case 5:
 246                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 month")) {
 247                                                         $update = true;
 248                                                 }
 249                                                 break;
 250                                         case 4:
 251                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 week")) {
 252                                                         $update = true;
 253                                                 }
 254                                                 break;
 255                                         case 3:
 256                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
 257                                                         $update = true;
 258                                                 }
 259                                                 break;
 260                                         case 2:
 261                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 12 hour")) {
 262                                                         $update = true;
 263                                                 }
 264                                                 break;
 265                                         case 1:
 266                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 hour")) {
 267                                                         $update = true;
 268                                                 }
 269                                                 break;
 270                                         case 0:
 271                                         default:
 272                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + ".$min_poll_interval." minute")) {
 273                                                         $update = true;
 274                                                 }
 275                                                 break;
 276                                 }
 277                                 if (!$update) {
 278                                         continue;
 279                                 }
 280                         }
 281
 282                         if (($contact['network'] == Protocol::FEED) && ($contact['priority'] <= 3)) {
 283                                 $priority = PRIORITY_MEDIUM;
 284                         } elseif ($contact['archive']) {
 285                                 $priority = PRIORITY_NEGLIGIBLE;
 286                         } else {
 287                                 $priority = PRIORITY_LOW;
 288                         }
 289
 290                         logger("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact['priority'] . " " . $contact["nick"] . " " . $contact["name"]);
 291
 292                         Worker::add(['priority' => $priority, 'dont_fork' => true], 'OnePoll', (int)$contact['id']);
 293                 }
 294         }
 295 }