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