<?php /** @file */
namespace Zotlabs\Daemon;
class Cron {
static public function run($argc,$argv) {
$maxsysload = intval(get_config('system','maxloadavg'));
if($maxsysload < 1)
$maxsysload = 50;
if(function_exists('sys_getloadavg')) {
$load = sys_getloadavg();
if(intval($load[0]) > $maxsysload) {
logger('system: load ' . $load . ' too high. Cron deferred to next scheduled run.');
return;
}
}
// Check for a lockfile. If it exists, but is over an hour old, it's stale. Ignore it.
$lockfile = 'store/[data]/cron';
if((file_exists($lockfile)) && (filemtime($lockfile) > (time() - 3600))
&& (! get_config('system','override_cron_lockfile'))) {
logger("cron: Already running");
return;
}
// Create a lockfile. Needs two vars, but $x doesn't need to contain anything.
file_put_contents($lockfile, $x);
logger('cron: start');
// run queue delivery process in the background
Master::Summon(array('Queue'));
Master::Summon(array('Poller'));
// maintenance for mod sharedwithme - check for updated items and remove them
require_once('include/sharedwithme.php');
apply_updates();
// expire any expired mail
q("delete from mail where expires > '%s' and expires < %s ",
dbesc(NULL_DATE),
db_utcnow()
);
// expire any expired items
$r = q("select id,item_wall from item where expires > '2001-01-01 00:00:00' and expires < %s
and item_deleted = 0 ",
db_utcnow()
);
if($r) {
require_once('include/items.php');
foreach($r as $rr) {
drop_item($rr['id'],false,(($rr['item_wall']) ? DROPITEM_PHASE1 : DROPITEM_NORMAL));
if($rr['item_wall']) {
// The notifier isn't normally invoked unless item_drop is interactive.
Master::Summon( [ 'Notifier', 'drop', $rr['id'] ] );
}
}
}
// delete expired access tokens
$r = q("select atoken_id from atoken where atoken_expires > '%s' and atoken_expires < %s",
dbesc(NULL_DATE),
db_utcnow()
);
if($r) {
require_once('include/security.php');
foreach($r as $rr) {
atoken_delete($rr['atoken_id']);
}
}
// Ensure that every channel pings a directory server once a month. This way we can discover
// channels and sites that quietly vanished and prevent the directory from accumulating stale
// or dead entries.
$r = q("select channel_id from channel where channel_dirdate < %s - INTERVAL %s and channel_removed = 0",
db_utcnow(),
db_quoteinterval('30 DAY')
);
if($r) {
foreach($r as $rr) {
Master::Summon(array('Directory',$rr['channel_id'],'force'));
if($interval)
@time_sleep_until(microtime(true) + (float) $interval);
}
}
// Clean expired photos from cache
$sql_interval = "'" . dbesc(datetime_convert()) . "' - INTERVAL " . db_quoteinterval(get_config('system','active_expire_days', '30') . ' DAY');
$r = q("SELECT DISTINCT xchan, content FROM photo WHERE photo_usage = %d AND expires < $sql_interval",
intval(PHOTO_CACHE)
);
if($r) {
q("DELETE FROM photo WHERE photo_usage = %d AND expires < $sql_interval",
intval(PHOTO_CACHE)
);
foreach($r as $rr) {
$file = dbunescbin($rr['content']);
if(is_file($file)) {
@unlink($file);
@rmdir(dirname($file));
logger('info: deleted cached photo file ' . $file, LOGGER_DEBUG);
}
}
}
// publish any applicable items that were set to be published in the future
// (time travel posts). Restrict to items that have come of age in the last
// couple of days to limit the query to something reasonable.
$r = q("select id from item where item_delayed = 1 and created <= %s and created > '%s' ",
db_utcnow(),
dbesc(datetime_convert('UTC','UTC','now - 2 days'))
);
if($r) {
foreach($r as $rr) {
$x = q("update item set item_delayed = 0 where id = %d",
intval($rr['id'])
);
if($x) {
$z = q("select * from item where id = %d",
intval($message_id)
);
if($z) {
xchan_query($z);
$sync_item = fetch_post_tags($z);
build_sync_packet($sync_item[0]['uid'],
[
'item' => [ encode_item($sync_item[0],true) ]
]
);
}
Master::Summon(array('Notifier','wall-new',$rr['id']));
}
}
}
require_once('include/attach.php');
attach_upgrade();
$abandon_days = intval(get_config('system','account_abandon_days'));
if($abandon_days < 1)
$abandon_days = 0;
// once daily run birthday_updates and then expire in background
// FIXME: add birthday updates, both locally and for xprof for use
// by directory servers
$d1 = intval(get_config('system','last_expire_day'));
$d2 = intval(datetime_convert('UTC','UTC','now','d'));
// Allow somebody to staggger daily activities if they have more than one site on their server,
// or if it happens at an inconvenient (busy) hour.
$h1 = intval(get_config('system','cron_hour'));
$h2 = intval(datetime_convert('UTC','UTC','now','G'));
if(($d2 != $d1) && ($h1 == $h2)) {
Master::Summon(array('Cron_daily'));
}
// update any photos which didn't get imported properly
// This should be rare
$r = q("select xchan_photo_l, xchan_hash from xchan where xchan_photo_l != '' and xchan_photo_m = ''
and xchan_photo_date < %s - INTERVAL %s",
db_utcnow(),
db_quoteinterval('1 DAY')
);
if($r) {
require_once('include/photo/photo_driver.php');
foreach($r as $rr) {
$photos = import_xchan_photo($rr['xchan_photo_l'], $rr['xchan_hash'], false, true);
$x = q("update xchan set xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s'
where xchan_hash = '%s'",
dbesc($photos[0]),
dbesc($photos[1]),
dbesc($photos[2]),
dbesc($photos[3]),
dbesc($rr['xchan_hash'])
);
}
}
// pull in some public posts
$disable_discover_tab = get_config('system','disable_discover_tab') || get_config('system','disable_discover_tab') === false;
if(! $disable_discover_tab)
Master::Summon(array('Externals'));
$generation = 0;
$restart = false;
if(($argc > 1) && ($argv[1] == 'restart')) {
$restart = true;
$generation = intval($argv[2]);
if(! $generation)
return;
}
reload_plugins();
$d = datetime_convert();
// TODO check to see if there are any cronhooks before wasting a process
if(! $restart)
Master::Summon(array('Cronhooks'));
set_config('system','lastcron',datetime_convert());
//All done - clear the lockfile
@unlink($lockfile);
return;
}
}
