Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/worker/CronJobs.php
*/
namespace Friendica\Worker;
use Friendica\App;
use Friendica\Core\Config;
use Friendica\Core\Logger;
use Friendica\Core\Protocol;
use Friendica\Core\StorageManager;
use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\Database\PostUpdate;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\GContact;
use Friendica\Model\GServer;
use Friendica\Model\Nodeinfo;
use Friendica\Model\Photo;
use Friendica\Model\User;
use Friendica\Network\Probe;
use Friendica\Util\Network;
use Friendica\Util\Proxy as ProxyUtils;
use Friendica\Util\Strings;
class CronJobs
{
public static function execute($command = '')
{
$a = DI::app();
// No parameter set? So return
if ($command == '') {
return;
}
Logger::log("Starting cronjob " . $command, Logger::DEBUG);
switch($command) {
case 'post_update':
PostUpdate::update();
break;
case 'nodeinfo':
Logger::info('cron_start');
Nodeinfo::update();
// Now trying to register
$url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
Logger::debug('Check registering url', ['url' => $url]);
$ret = Network::fetchUrl($url);
Logger::debug('Check registering answer', ['answer' => $ret]);
Logger::info('cron_end');
break;
case 'expire_and_remove_users':
self::expireAndRemoveUsers();
break;
case 'update_contact_birthdays':
Contact::updateBirthdays();
break;
case 'update_photo_albums':
self::updatePhotoAlbums();
break;
case 'clear_cache':
self::clearCache($a);
break;
case 'repair_diaspora':
self::repairDiaspora($a);
break;
case 'repair_database':
self::repairDatabase();
break;
case 'move_storage':
self::moveStorage();
break;
default:
Logger::log("Cronjob " . $command . " is unknown.", Logger::DEBUG);
}
return;
}
/**
* @brief Update the cached values for the number of photo albums per user
*/
private static function updatePhotoAlbums()
{
$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
if (!DBA::isResult($r)) {
return;
}
foreach ($r as $user) {
Photo::clearAlbumCache($user['uid']);
}
}
/**
* @brief Expire and remove user entries
*/
private static function expireAndRemoveUsers()
{
// expire any expired regular accounts. Don't expire forums.
$condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
DBA::update('user', ['account_expired' => true], $condition);
// Remove any freshly expired account
$users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
while ($user = DBA::fetch($users)) {
User::remove($user['uid']);
}
// delete user records for recently removed accounts
$users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
while ($user = DBA::fetch($users)) {
// Delete the contacts of this user
$self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
if (DBA::isResult($self)) {
DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
}
DBA::delete('user', ['uid' => $user['uid']]);
}
}
/**
* @brief Clear cache entries
*
* @param App $a
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function clearCache(App $a)
{
$last = Config::get('system', 'cache_last_cleared');
if ($last) {
$next = $last + (3600); // Once per hour
$clear_cache = ($next <= time());
} else {
$clear_cache = true;
}
if (!$clear_cache) {
return;
}
// clear old cache
DI::cache()->clear();
// clear old item cache files
clear_cache();
// clear cache for photos
clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
// clear smarty cache
clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
// clear cache for image proxy
if (!Config::get("system", "proxy_disabled")) {
clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
$cachetime = Config::get('system', 'proxy_cache_time');
if (!$cachetime) {
$cachetime = ProxyUtils::DEFAULT_TIME;
}
$condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
Photo::delete($condition);
}
// Delete the cached OEmbed entries that are older than three month
DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
// Delete the cached "parse_url" entries that are older than three month
DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
// Maximum table size in megabyte
$max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
if ($max_tablesize == 0) {
$max_tablesize = 100 * 1000000; // Default are 100 MB
}
if ($max_tablesize > 0) {
// Minimum fragmentation level in percent
$fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
if ($fragmentation_level == 0) {
$fragmentation_level = 0.3; // Default value is 30%
}
// Optimize some tables that need to be optimized
$r = q("SHOW TABLE STATUS");
foreach ($r as $table) {
// Don't optimize tables that are too large
if ($table["Data_length"] > $max_tablesize) {
continue;
}
// Don't optimize empty tables
if ($table["Data_length"] == 0) {
continue;
}
// Calculate fragmentation
$fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
Logger::log("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), Logger::DEBUG);
// Don't optimize tables that needn't to be optimized
if ($fragmentation < $fragmentation_level) {
continue;
}
// So optimize it
Logger::log("Optimize Table " . $table["Name"], Logger::DEBUG);
q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
}
}
Config::set('system', 'cache_last_cleared', time());
}
/**
* @brief Repair missing values in Diaspora contacts
*
* @param App $a
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @throws \ImagickException
*/
private static function repairDiaspora(App $a)
{
$starttime = time();
$r = q("SELECT `id`, `url` FROM `contact`
WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
ORDER BY RAND() LIMIT 50", DBA::escape(Protocol::DIASPORA));
if (!DBA::isResult($r)) {
return;
}
foreach ($r as $contact) {
// Quit the loop after 3 minutes
if (time() > ($starttime + 180)) {
return;
}
if (!GServer::reachable($contact["url"])) {
continue;
}
$data = Probe::uri($contact["url"]);
if ($data["network"] != Protocol::DIASPORA) {
continue;
}
Logger::log("Repair contact " . $contact["id"] . " " . $contact["url"], Logger::DEBUG);
q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
DBA::escape($data["batch"]), DBA::escape($data["notify"]), DBA::escape($data["poll"]), DBA::escape($data["pubkey"]),
intval($contact["id"]));
}
}
/**
* @brief Do some repairs in database entries
*
*/
private static function repairDatabase()
{
// Sometimes there seem to be issues where the "self" contact vanishes.
// We haven't found the origin of the problem by now.
$r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
if (DBA::isResult($r)) {
foreach ($r AS $user) {
Logger::log('Create missing self contact for user ' . $user['uid']);
Contact::createSelfFromUserId($user['uid']);
}
}
// There was an issue where the nick vanishes from the contact table
q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
// Update the global contacts for local users
$r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
if (DBA::isResult($r)) {
foreach ($r AS $user) {
GContact::updateForUser($user["uid"]);
}
}
/// @todo
/// - remove thread entries without item
/// - remove sign entries without item
/// - remove children when parent got lost
/// - set contact-id in item when not present
// Add intro entries for pending contacts
// We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
$pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
0, Contact::FOLLOWER, Protocol::DFRN);
while ($contact = DBA::fetch($pending_contacts)) {
DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
}
DBA::close($pending_contacts);
}
/**
* Moves up to 5000 attachments and photos to the current storage system.
* Self-replicates if legacy items have been found and moved.
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
private static function moveStorage()
{
$current = StorageManager::getBackend();
$moved = StorageManager::move($current);
if ($moved) {
Worker::add(PRIORITY_LOW, "CronJobs", "move_storage");
}
}
}