friendica-github/src/Worker/CronJobs.php
2018-02-03 20:47:37 -05:00

293 lines
7.8 KiB
PHP

<?php
/**
* @file src/worker/CronJobs.php
*/
namespace Friendica\Worker;
use Friendica\App;
use Friendica\Core\Cache;
use Friendica\Core\Config;
use Friendica\Database\DBM;
use Friendica\Database\PostUpdate;
use Friendica\Model\Contact;
use Friendica\Model\GContact;
use Friendica\Model\Photo;
use Friendica\Network\Probe;
use Friendica\Protocol\PortableContact;
use dba;
require_once 'include/dba.php';
require_once 'mod/nodeinfo.php';
class CronJobs
{
public static function execute($command = '')
{
global $a;
require_once 'mod/nodeinfo.php';
// No parameter set? So return
if ($command == '') {
return;
}
logger("Starting cronjob " . $command, LOGGER_DEBUG);
// Call possible post update functions
// see src/Database/PostUpdate.php for more details
if ($command == 'post_update') {
PostUpdate::update();
return;
}
// update nodeinfo data
if ($command == 'nodeinfo') {
nodeinfo_cron();
return;
}
// Expire and remove user entries
if ($command == 'expire_and_remove_users') {
self::expireAndRemoveUsers();
return;
}
if ($command == 'update_contact_birthdays') {
Contact::updateBirthdays();
return;
}
if ($command == 'update_photo_albums') {
self::updatePhotoAlbums();
return;
}
// Clear cache entries
if ($command == 'clear_cache') {
self::clearCache($a);
return;
}
// Repair missing Diaspora values in contacts
if ($command == 'repair_diaspora') {
self::repairDiaspora($a);
return;
}
// Repair entries in the database
if ($command == 'repair_database') {
self::repairDatabase();
return;
}
logger("Xronjob " . $command . " is unknown.", LOGGER_DEBUG);
return;
}
/**
* @brief Update the cached values for the number of photo albums per user
*/
private static function updatePhotoAlbums()
{
$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
if (!DBM::is_result($r)) {
return;
}
foreach ($r as $user) {
Photo::clearAlbumCache($user['uid']);
}
}
/**
* @brief Expire and remove user entries
*/
private static function expireAndRemoveUsers()
{
// expire any expired accounts
q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
AND `account_expires_on` > '%s'
AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
// delete user records for recently removed accounts
$r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
if (DBM::is_result($r)) {
foreach ($r as $user) {
dba::delete('user', ['uid' => $user['uid']]);
}
}
}
/**
* @brief Clear cache entries
*
* @param App $a
*/
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
Cache::clear();
// clear old item cache files
clear_cache();
// clear cache for photos
clear_cache($a->get_basepath(), $a->get_basepath() . "/photo");
// clear smarty cache
clear_cache($a->get_basepath() . "/view/smarty3/compiled", $a->get_basepath() . "/view/smarty3/compiled");
// clear cache for image proxy
if (!Config::get("system", "proxy_disabled")) {
clear_cache($a->get_basepath(), $a->get_basepath() . "/proxy");
$cachetime = Config::get('system', 'proxy_cache_time');
if (!$cachetime) {
$cachetime = PROXY_DEFAULT_TIME;
}
$condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
dba::delete('photo', $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("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("Optimize Table " . $table["Name"], LOGGER_DEBUG);
q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
}
}
Config::set('system', 'cache_last_cleared', time());
}
/**
* @brief Repair missing values in Diaspora contacts
*
* @param App $a
*/
private static function repairDiaspora(App $a)
{
$starttime = time();
$r = q("SELECT `id`, `url` FROM `contact`
WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
if (!DBM::is_result($r)) {
return;
}
foreach ($r AS $contact) {
// Quit the loop after 3 minutes
if (time() > ($starttime + 180)) {
return;
}
if (!PortableContact::reachable($contact["url"])) {
continue;
}
$data = Probe::uri($contact["url"]);
if ($data["network"] != NETWORK_DIASPORA) {
continue;
}
logger("Repair contact " . $contact["id"] . " " . $contact["url"], LOGGER_DEBUG);
q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
intval($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.
$r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
if (DBM::is_result($r)) {
foreach ($r AS $user) {
logger('Create missing self contact for user ' . $user['uid']);
Contact::createSelfFromUserId($user['uid']);
}
}
// Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
// This call is very "cheap" so we can do it at any time without a problem
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");
// 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
$r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
if (DBM::is_result($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
}
}