src/Worker/CronJobs.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2020, Friendica
   4  *
   5  * @license GNU AGPL version 3 or any later version
   6  *
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as
   9  * published by the Free Software Foundation, either version 3 of the
  10  * License, or (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19  *
  20  */
  21
  22 namespace Friendica\Worker;
  23
  24 use Friendica\App;
  25 use Friendica\Core\Logger;
  26 use Friendica\Core\Protocol;
  27 use Friendica\Core\Worker;
  28 use Friendica\Database\DBA;
  29 use Friendica\Database\PostUpdate;
  30 use Friendica\DI;
  31 use Friendica\Model\Contact;
  32 use Friendica\Model\GContact;
  33 use Friendica\Model\GServer;
  34 use Friendica\Model\Nodeinfo;
  35 use Friendica\Model\Photo;
  36 use Friendica\Model\User;
  37 use Friendica\Network\Probe;
  38 use Friendica\Util\Network;
  39 use Friendica\Util\Proxy as ProxyUtils;
  40 use Friendica\Util\Strings;
  41
  42 class CronJobs
  43 {
  44         public static function execute($command = '')
  45         {
  46                 $a = DI::app();
  47
  48                 // No parameter set? So return
  49                 if ($command == '') {
  50                         return;
  51                 }
  52
  53                 Logger::log("Starting cronjob " . $command, Logger::DEBUG);
  54
  55                 switch($command) {
  56                         case 'post_update':
  57                                 PostUpdate::update();
  58                                 break;
  59
  60                         case 'nodeinfo':
  61                                 Logger::info('cron_start');
  62                                 Nodeinfo::update();
  63                                 // Now trying to register
  64                                 $url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
  65                                 Logger::debug('Check registering url', ['url' => $url]);
  66                                 $ret = Network::fetchUrl($url);
  67                                 Logger::debug('Check registering answer', ['answer' => $ret]);
  68                                 Logger::info('cron_end');
  69                                 break;
  70
  71                         case 'expire_and_remove_users':
  72                                 self::expireAndRemoveUsers();
  73                                 break;
  74
  75                         case 'update_contact_birthdays':
  76                                 Contact::updateBirthdays();
  77                                 break;
  78
  79                         case 'update_photo_albums':
  80                                 self::updatePhotoAlbums();
  81                                 break;
  82
  83                         case 'clear_cache':
  84                                 self::clearCache($a);
  85                                 break;
  86
  87                         case 'repair_diaspora':
  88                                 self::repairDiaspora($a);
  89                                 break;
  90
  91                         case 'repair_database':
  92                                 self::repairDatabase();
  93                                 break;
  94
  95                         case 'move_storage':
  96                                 self::moveStorage();
  97                                 break;
  98
  99                         default:
 100                                 Logger::log("Cronjob " . $command . " is unknown.", Logger::DEBUG);
 101                 }
 102
 103                 return;
 104         }
 105
 106         /**
 107          * Update the cached values for the number of photo albums per user
 108          */
 109         private static function updatePhotoAlbums()
 110         {
 111                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
 112                 if (!DBA::isResult($r)) {
 113                         return;
 114                 }
 115
 116                 foreach ($r as $user) {
 117                         Photo::clearAlbumCache($user['uid']);
 118                 }
 119         }
 120
 121         /**
 122          * Expire and remove user entries
 123          */
 124         private static function expireAndRemoveUsers()
 125         {
 126                 // expire any expired regular accounts. Don't expire forums.
 127                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
 128                 DBA::update('user', ['account_expired' => true], $condition);
 129
 130                 // Remove any freshly expired account
 131                 $users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
 132                 while ($user = DBA::fetch($users)) {
 133                         User::remove($user['uid']);
 134                 }
 135
 136                 // delete user records for recently removed accounts
 137                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
 138                 while ($user = DBA::fetch($users)) {
 139                         // Delete the contacts of this user
 140                         $self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
 141                         if (DBA::isResult($self)) {
 142                                 DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
 143                         }
 144
 145                         DBA::delete('user', ['uid' => $user['uid']]);
 146                 }
 147         }
 148
 149         /**
 150          * Clear cache entries
 151          *
 152          * @param App $a
 153          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 154          */
 155         private static function clearCache(App $a)
 156         {
 157                 $last = DI::config()->get('system', 'cache_last_cleared');
 158
 159                 if ($last) {
 160                         $next = $last + (3600); // Once per hour
 161                         $clear_cache = ($next <= time());
 162                 } else {
 163                         $clear_cache = true;
 164                 }
 165
 166                 if (!$clear_cache) {
 167                         return;
 168                 }
 169
 170                 // clear old cache
 171                 DI::cache()->clear();
 172
 173                 // clear old item cache files
 174                 clear_cache();
 175
 176                 // clear cache for photos
 177                 clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
 178
 179                 // clear smarty cache
 180                 clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
 181
 182                 // clear cache for image proxy
 183                 if (!DI::config()->get("system", "proxy_disabled")) {
 184                         clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
 185
 186                         $cachetime = DI::config()->get('system', 'proxy_cache_time');
 187
 188                         if (!$cachetime) {
 189                                 $cachetime = ProxyUtils::DEFAULT_TIME;
 190                         }
 191
 192                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 193                         Photo::delete($condition);
 194                 }
 195
 196                 // Delete the cached OEmbed entries that are older than three month
 197                 DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 198
 199                 // Delete the cached "parse_url" entries that are older than three month
 200                 DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 201
 202                 // Maximum table size in megabyte
 203                 $max_tablesize = intval(DI::config()->get('system', 'optimize_max_tablesize')) * 1000000;
 204                 if ($max_tablesize == 0) {
 205                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 206                 }
 207                 if ($max_tablesize > 0) {
 208                         // Minimum fragmentation level in percent
 209                         $fragmentation_level = intval(DI::config()->get('system', 'optimize_fragmentation')) / 100;
 210                         if ($fragmentation_level == 0) {
 211                                 $fragmentation_level = 0.3; // Default value is 30%
 212                         }
 213
 214                         // Optimize some tables that need to be optimized
 215                         $r = q("SHOW TABLE STATUS");
 216                         foreach ($r as $table) {
 217
 218                                 // Don't optimize tables that are too large
 219                                 if ($table["Data_length"] > $max_tablesize) {
 220                                         continue;
 221                                 }
 222
 223                                 // Don't optimize empty tables
 224                                 if ($table["Data_length"] == 0) {
 225                                         continue;
 226                                 }
 227
 228                                 // Calculate fragmentation
 229                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 230
 231                                 Logger::log("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), Logger::DEBUG);
 232
 233                                 // Don't optimize tables that needn't to be optimized
 234                                 if ($fragmentation < $fragmentation_level) {
 235                                         continue;
 236                                 }
 237
 238                                 // So optimize it
 239                                 Logger::log("Optimize Table " . $table["Name"], Logger::DEBUG);
 240                                 q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
 241                         }
 242                 }
 243
 244                 DI::config()->set('system', 'cache_last_cleared', time());
 245         }
 246
 247         /**
 248          * Repair missing values in Diaspora contacts
 249          *
 250          * @param App $a
 251          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 252          * @throws \ImagickException
 253          */
 254         private static function repairDiaspora(App $a)
 255         {
 256                 $starttime = time();
 257
 258                 $r = q("SELECT `id`, `url` FROM `contact`
 259                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 260                                 ORDER BY RAND() LIMIT 50", DBA::escape(Protocol::DIASPORA));
 261                 if (!DBA::isResult($r)) {
 262                         return;
 263                 }
 264
 265                 foreach ($r as $contact) {
 266                         // Quit the loop after 3 minutes
 267                         if (time() > ($starttime + 180)) {
 268                                 return;
 269                         }
 270
 271                         if (!GServer::reachable($contact["url"])) {
 272                                 continue;
 273                         }
 274
 275                         $data = Probe::uri($contact["url"]);
 276                         if ($data["network"] != Protocol::DIASPORA) {
 277                                 continue;
 278                         }
 279
 280                         Logger::log("Repair contact " . $contact["id"] . " " . $contact["url"], Logger::DEBUG);
 281                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 282                                 DBA::escape($data["batch"]), DBA::escape($data["notify"]), DBA::escape($data["poll"]), DBA::escape($data["pubkey"]),
 283                                 intval($contact["id"]));
 284                 }
 285         }
 286
 287         /**
 288          * Do some repairs in database entries
 289          *
 290          */
 291         private static function repairDatabase()
 292         {
 293                 // Sometimes there seem to be issues where the "self" contact vanishes.
 294                 // We haven't found the origin of the problem by now.
 295                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 296                 if (DBA::isResult($r)) {
 297                         foreach ($r AS $user) {
 298                                 Logger::log('Create missing self contact for user ' . $user['uid']);
 299                                 Contact::createSelfFromUserId($user['uid']);
 300                         }
 301                 }
 302
 303                 // There was an issue where the nick vanishes from the contact table
 304                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 305
 306                 // Update the global contacts for local users
 307                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 308                 if (DBA::isResult($r)) {
 309                         foreach ($r AS $user) {
 310                                 GContact::updateForUser($user["uid"]);
 311                         }
 312                 }
 313
 314                 /// @todo
 315                 /// - remove thread entries without item
 316                 /// - remove sign entries without item
 317                 /// - remove children when parent got lost
 318                 /// - set contact-id in item when not present
 319
 320                 // Add intro entries for pending contacts
 321                 // We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
 322                 $pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
 323                         WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
 324                                 AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
 325                         0, Contact::FOLLOWER, Protocol::DFRN);
 326                 while ($contact = DBA::fetch($pending_contacts)) {
 327                         DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
 328                                 'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
 329                 }
 330                 DBA::close($pending_contacts);
 331         }
 332
 333         /**
 334          * Moves up to 5000 attachments and photos to the current storage system.
 335          * Self-replicates if legacy items have been found and moved.
 336          *
 337          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 338          */
 339         private static function moveStorage()
 340         {
 341                 $current = DI::storage();
 342                 $moved = DI::storageManager()->move($current);
 343
 344                 if ($moved) {
 345                         Worker::add(PRIORITY_LOW, "CronJobs", "move_storage");
 346                 }
 347         }
 348 }