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` != '0000-00-00 00:00:00'
 124                 AND `account_expires_on` < UTC_TIMESTAMP() ");
 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                                 $contact['last-update'] = '0000-00-00 00:00:00';
 219
 220                         if (in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS)))
 221                                 $contact['priority'] = 2;
 222
 223                         if ($contact['subhub'] AND in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS))) {
 224                                 // We should be getting everything via a hub. But just to be sure, let's check once a day.
 225                                 // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 226                                 // This also lets us update our subscription to the hub, and add or replace hubs in case it
 227                                 // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 228
 229                                 $poll_interval = get_config('system','pushpoll_frequency');
 230                                 $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
 231                         }
 232
 233                         if ($contact['priority'] AND !$force) {
 234
 235                                 $update     = false;
 236
 237                                 $t = $contact['last-update'];
 238
 239                                 /**
 240                                  * Based on $contact['priority'], should we poll this site now? Or later?
 241                                  */
 242
 243                                 switch ($contact['priority']) {
 244                                         case 5:
 245                                                 if (datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
 246                                                         $update = true;
 247                                                 break;
 248                                         case 4:
 249                                                 if (datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
 250                                                         $update = true;
 251                                                 break;
 252                                         case 3:
 253                                                 if (datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
 254                                                         $update = true;
 255                                                 break;
 256                                         case 2:
 257                                                 if (datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
 258                                                         $update = true;
 259                                                 break;
 260                                         case 1:
 261                                         default:
 262                                                 if (datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
 263                                                         $update = true;
 264                                                 break;
 265                                 }
 266                                 if (!$update)
 267                                         continue;
 268                         }
 269
 270                         logger("Polling ".$contact["network"]." ".$contact["id"]." ".$contact["nick"]." ".$contact["name"]);
 271
 272                         if (($contact['network'] == NETWORK_FEED) AND ($contact['priority'] <= 3)) {
 273                                 proc_run(PRIORITY_MEDIUM, 'include/onepoll.php', $contact['id']);
 274                         } else {
 275                                 proc_run(PRIORITY_LOW, 'include/onepoll.php', $contact['id']);
 276                         }
 277                 }
 278         }
 279 }
 280
 281 /**
 282  * @brief Clear cache entries
 283  *
 284  * @param App $a
 285  */
 286 function cron_clear_cache(App $a) {
 287
 288         $last = get_config('system','cache_last_cleared');
 289
 290         if ($last) {
 291                 $next = $last + (3600); // Once per hour
 292                 $clear_cache = ($next <= time());
 293         } else {
 294                 $clear_cache = true;
 295         }
 296
 297         if (!$clear_cache) {
 298                 return;
 299         }
 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) {
 319                         $cachetime = PROXY_DEFAULT_TIME;
 320                 }
 321
 322                 q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
 323         }
 324
 325         // Delete the cached OEmbed entries that are older than one year
 326         q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 3 MONTH");
 327
 328         // Delete the cached "parse_url" entries that are older than one year
 329         q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 3 MONTH");
 330
 331         // Maximum table size in megabyte
 332         $max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
 333         if ($max_tablesize == 0) {
 334                 $max_tablesize = 100 * 1000000; // Default are 100 MB
 335         }
 336
 337         if ($max_tablesize > 0) {
 338                 // Minimum fragmentation level in percent
 339                 $fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
 340                 if ($fragmentation_level == 0) {
 341                         $fragmentation_level = 0.3; // Default value is 30%
 342                 }
 343
 344                 // Optimize some tables that need to be optimized
 345                 $r = q("SHOW TABLE STATUS");
 346                 foreach($r as $table) {
 347
 348                         // Don't optimize tables that are too large
 349                         if ($table["Data_length"] > $max_tablesize) {
 350                                 continue;
 351                         }
 352
 353                         // Don't optimize empty tables
 354                         if ($table["Data_length"] == 0) {
 355                                 continue;
 356                         }
 357
 358                         // Calculate fragmentation
 359                         $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 360
 361                         logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
 362
 363                         // Don't optimize tables that needn't to be optimized
 364                         if ($fragmentation < $fragmentation_level) {
 365                                 continue;
 366                         }
 367
 368                         // So optimize it
 369                         logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
 370                         q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 371                 }
 372         }
 373
 374         set_config('system','cache_last_cleared', time());
 375 }
 376
 377 /**
 378  * @brief Repair missing values in Diaspora contacts
 379  *
 380  * @param App $a
 381  */
 382 function cron_repair_diaspora(App $a) {
 383         $r = q("SELECT `id`, `url` FROM `contact`
 384                 WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 385                         ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 386         if (dbm::is_result($r)) {
 387                 foreach ($r AS $contact) {
 388                         if (poco_reachable($contact["url"])) {
 389                                 $data = probe_url($contact["url"]);
 390                                 if ($data["network"] == NETWORK_DIASPORA) {
 391                                         logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
 392                                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 393                                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 394                                                 intval($contact["id"]));
 395                                 }
 396                         }
 397                 }
 398         }
 399 }
 400
 401 /**
 402  * @brief Do some repairs in database entries
 403  *
 404  */
 405 function cron_repair_database() {
 406
 407         // Sometimes there seem to be issues where the "self" contact vanishes.
 408         // We haven't found the origin of the problem by now.
 409         $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 410         if (dbm::is_result($r)) {
 411                 foreach ($r AS $user) {
 412                         logger('Create missing self contact for user '.$user['uid']);
 413                         user_create_self_contact($user['uid']);
 414                 }
 415         }
 416
 417         // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
 418         // This call is very "cheap" so we can do it at any time without a problem
 419         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");
 420
 421         // There was an issue where the nick vanishes from the contact table
 422         q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 423
 424         // Update the global contacts for local users
 425         $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 426         if (dbm::is_result($r)) {
 427                 foreach ($r AS $user) {
 428                         update_gcontact_for_user($user["uid"]);
 429                 }
 430         }
 431
 432         /// @todo
 433         /// - remove thread entries without item
 434         /// - remove sign entries without item
 435         /// - remove children when parent got lost
 436         /// - set contact-id in item when not present
 437 }