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($d1)) {
  68
  69                 update_contact_birthdays();
  70
  71                 proc_run(PRIORITY_LOW, "include/discover_poco.php", "suggestions");
  72
  73                 set_config('system','last_expire_day',$d2);
  74
  75                 proc_run(PRIORITY_LOW, 'include/expire.php');
  76
  77                 proc_run(PRIORITY_MEDIUM, 'include/dbclean.php');
  78
  79                 cron_update_photo_albums();
  80         }
  81
  82         // Clear cache entries
  83         cron_clear_cache($a);
  84
  85         // Repair missing Diaspora values in contacts
  86         cron_repair_diaspora($a);
  87
  88         // Repair entries in the database
  89         cron_repair_database();
  90
  91         // Poll contacts
  92         cron_poll_contacts($argc, $argv);
  93
  94         logger('cron: end');
  95
  96         set_config('system','last_cron', time());
  97
  98         return;
  99 }
 100
 101 /**
 102  * @brief Update the cached values for the number of photo albums per user
 103  */
 104 function cron_update_photo_albums() {
 105         $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
 106         if (!dbm::is_result($r)) {
 107                 return;
 108         }
 109
 110         foreach ($r AS $user) {
 111                 photo_albums($user['uid'], true);
 112         }
 113 }
 114
 115 /**
 116  * @brief Expire and remove user entries
 117  */
 118 function cron_expire_and_remove_users() {
 119         // expire any expired accounts
 120         q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
 121                 AND `account_expires_on` != '0000-00-00 00:00:00'
 122                 AND `account_expires_on` < UTC_TIMESTAMP() ");
 123
 124         // delete user and contact records for recently removed accounts
 125         $r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
 126         if ($r) {
 127                 foreach($r as $user) {
 128                         q("DELETE FROM `contact` WHERE `uid` = %d", intval($user['uid']));
 129                         q("DELETE FROM `user` WHERE `uid` = %d", intval($user['uid']));
 130                 }
 131         }
 132 }
 133
 134 /**
 135  * @brief Poll contacts for unreceived messages
 136  *
 137  * @param Integer $argc Number of command line arguments
 138  * @param Array $argv Array of command line arguments
 139  */
 140 function cron_poll_contacts($argc, $argv) {
 141         $manual_id  = 0;
 142         $generation = 0;
 143         $force      = false;
 144         $restart    = false;
 145
 146         if (($argc > 1) && ($argv[1] == 'force'))
 147                 $force = true;
 148
 149         if (($argc > 1) && ($argv[1] == 'restart')) {
 150                 $restart = true;
 151                 $generation = intval($argv[2]);
 152                 if (!$generation)
 153                         killme();
 154         }
 155
 156         if (($argc > 1) && intval($argv[1])) {
 157                 $manual_id = intval($argv[1]);
 158                 $force     = true;
 159         }
 160
 161         $sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
 162
 163         reload_plugins();
 164
 165         $d = datetime_convert();
 166
 167         // Only poll from those with suitable relationships,
 168         // and which have a polling address and ignore Diaspora since
 169         // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
 170
 171         $abandon_days = intval(get_config('system','account_abandon_days'));
 172         if($abandon_days < 1)
 173                 $abandon_days = 0;
 174
 175         $abandon_sql = (($abandon_days)
 176                 ? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
 177                 : ''
 178         );
 179
 180         $contacts = q("SELECT `contact`.`id` FROM `user`
 181                         STRAIGHT_JOIN `contact`
 182                         ON `contact`.`uid` = `user`.`uid` AND `contact`.`rel` IN (%d, %d) AND `contact`.`poll` != ''
 183                                 AND `contact`.`network` IN ('%s', '%s', '%s', '%s', '%s', '%s') $sql_extra
 184                                 AND NOT `contact`.`self` AND NOT `contact`.`blocked` AND NOT `contact`.`readonly`
 185                                 AND NOT `contact`.`archive`
 186                         WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql ORDER BY RAND()",
 187                 intval(CONTACT_IS_SHARING),
 188                 intval(CONTACT_IS_FRIEND),
 189                 dbesc(NETWORK_DFRN),
 190                 dbesc(NETWORK_ZOT),
 191                 dbesc(NETWORK_OSTATUS),
 192                 dbesc(NETWORK_FEED),
 193                 dbesc(NETWORK_MAIL),
 194                 dbesc(NETWORK_MAIL2)
 195         );
 196
 197         if (!count($contacts)) {
 198                 return;
 199         }
 200
 201         foreach ($contacts as $c) {
 202
 203                 $res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
 204                         intval($c['id'])
 205                 );
 206
 207                 if (!dbm::is_result($res)) {
 208                         continue;
 209                 }
 210
 211                 foreach($res as $contact) {
 212
 213                         $xml = false;
 214
 215                         if($manual_id)
 216                                 $contact['last-update'] = '0000-00-00 00:00:00';
 217
 218                         if(in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS)))
 219                                 $contact['priority'] = 2;
 220
 221                         if($contact['subhub'] AND in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS))) {
 222                                 // We should be getting everything via a hub. But just to be sure, let's check once a day.
 223                                 // (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
 224                                 // This also lets us update our subscription to the hub, and add or replace hubs in case it
 225                                 // changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
 226
 227                                 $poll_interval = get_config('system','pushpoll_frequency');
 228                                 $contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
 229                         }
 230
 231                         if($contact['priority'] AND !$force) {
 232
 233                                 $update     = false;
 234
 235                                 $t = $contact['last-update'];
 236
 237                                 /**
 238                                  * Based on $contact['priority'], should we poll this site now? Or later?
 239                                  */
 240
 241                                 switch ($contact['priority']) {
 242                                         case 5:
 243                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
 244                                                         $update = true;
 245                                                 break;
 246                                         case 4:
 247                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
 248                                                         $update = true;
 249                                                 break;
 250                                         case 3:
 251                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
 252                                                         $update = true;
 253                                                 break;
 254                                         case 2:
 255                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
 256                                                         $update = true;
 257                                                 break;
 258                                         case 1:
 259                                         default:
 260                                                 if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
 261                                                         $update = true;
 262                                                 break;
 263                                 }
 264                                 if (!$update)
 265                                         continue;
 266                         }
 267
 268                         logger("Polling ".$contact["network"]." ".$contact["id"]." ".$contact["nick"]." ".$contact["name"]);
 269
 270                         if (($contact['network'] == NETWORK_FEED) AND ($contact['priority'] <= 3)) {
 271                                 proc_run(PRIORITY_MEDIUM, 'include/onepoll.php', $contact['id']);
 272                         } else {
 273                                 proc_run(PRIORITY_LOW, 'include/onepoll.php', $contact['id']);
 274                         }
 275                 }
 276         }
 277 }
 278
 279 /**
 280  * @brief Clear cache entries
 281  *
 282  * @param App $a
 283  */
 284 function cron_clear_cache(App $a) {
 285
 286         $last = get_config('system','cache_last_cleared');
 287
 288         if($last) {
 289                 $next = $last + (3600); // Once per hour
 290                 $clear_cache = ($next <= time());
 291         } else
 292                 $clear_cache = true;
 293
 294         if (!$clear_cache)
 295                 return;
 296
 297         // clear old cache
 298         Cache::clear();
 299
 300         // clear old item cache files
 301         clear_cache();
 302
 303         // clear cache for photos
 304         clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
 305
 306         // clear smarty cache
 307         clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
 308
 309         // clear cache for image proxy
 310         if (!get_config("system", "proxy_disabled")) {
 311                 clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
 312
 313                 $cachetime = get_config('system','proxy_cache_time');
 314                 if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
 315
 316                 q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
 317         }
 318
 319         // Delete the cached OEmbed entries that are older than one year
 320         q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 3 MONTH");
 321
 322         // Delete the cached "parse_url" entries that are older than one year
 323         q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 3 MONTH");
 324
 325         // Maximum table size in megabyte
 326         $max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
 327         if ($max_tablesize == 0)
 328                 $max_tablesize = 100 * 1000000; // Default are 100 MB
 329
 330         if ($max_tablesize > 0) {
 331                 // Minimum fragmentation level in percent
 332                 $fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
 333                 if ($fragmentation_level == 0)
 334                         $fragmentation_level = 0.3; // Default value is 30%
 335
 336                 // Optimize some tables that need to be optimized
 337                 $r = q("SHOW TABLE STATUS");
 338                 foreach($r as $table) {
 339
 340                         // Don't optimize tables that are too large
 341                         if ($table["Data_length"] > $max_tablesize)
 342                                 continue;
 343
 344                         // Don't optimize empty tables
 345                         if ($table["Data_length"] == 0)
 346                                 continue;
 347
 348                         // Calculate fragmentation
 349                         $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 350
 351                         logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
 352
 353                         // Don't optimize tables that needn't to be optimized
 354                         if ($fragmentation < $fragmentation_level)
 355                                 continue;
 356
 357                         // So optimize it
 358                         logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
 359                         q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 360                 }
 361         }
 362
 363         set_config('system','cache_last_cleared', time());
 364 }
 365
 366 /**
 367  * @brief Repair missing values in Diaspora contacts
 368  *
 369  * @param App $a
 370  */
 371 function cron_repair_diaspora(App $a) {
 372         $r = q("SELECT `id`, `url` FROM `contact`
 373                 WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 374                         ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 375         if (dbm::is_result($r)) {
 376                 foreach ($r AS $contact) {
 377                         if (poco_reachable($contact["url"])) {
 378                                 $data = probe_url($contact["url"]);
 379                                 if ($data["network"] == NETWORK_DIASPORA) {
 380                                         logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
 381                                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 382                                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 383                                                 intval($contact["id"]));
 384                                 }
 385                         }
 386                 }
 387         }
 388 }
 389
 390 /**
 391  * @brief Do some repairs in database entries
 392  *
 393  */
 394 function cron_repair_database() {
 395
 396         // Sometimes there seem to be issues where the "self" contact vanishes.
 397         // We haven't found the origin of the problem by now.
 398         $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 399         if (dbm::is_result($r)) {
 400                 foreach ($r AS $user) {
 401                         logger('Create missing self contact for user '.$user['uid']);
 402                         user_create_self_contact($user['uid']);
 403                 }
 404         }
 405
 406         // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
 407         // This call is very "cheap" so we can do it at any time without a problem
 408         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");
 409
 410         // There was an issue where the nick vanishes from the contact table
 411         q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 412
 413         // Update the global contacts for local users
 414         $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 415         if (dbm::is_result($r))
 416                 foreach ($r AS $user)
 417                         update_gcontact_for_user($user["uid"]);
 418
 419         /// @todo
 420         /// - remove thread entries without item
 421         /// - remove sign entries without item
 422         /// - remove children when parent got lost
 423         /// - set contact-id in item when not present
 424 }