friendica/include/cron.php

492 lines
14 KiB
PHP

<?php
if (!file_exists("boot.php") AND (sizeof($_SERVER["argv"]) != 0)) {
$directory = dirname($_SERVER["argv"][0]);
if (substr($directory, 0, 1) != "/")
$directory = $_SERVER["PWD"]."/".$directory;
$directory = realpath($directory."/..");
chdir($directory);
}
require_once("boot.php");
require_once("include/photos.php");
require_once("include/user.php");
function cron_run(&$argv, &$argc){
global $a, $db;
if(is_null($a)) {
$a = new App;
}
if(is_null($db)) {
@include(".htconfig.php");
require_once("include/dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
unset($db_host, $db_user, $db_pass, $db_data);
};
require_once('include/session.php');
require_once('include/datetime.php');
require_once('include/items.php');
require_once('include/Contact.php');
require_once('include/email.php');
require_once('include/socgraph.php');
require_once('mod/nodeinfo.php');
require_once('include/post_update.php');
load_config('config');
load_config('system');
// Don't check this stuff if the function is called by the poller
if (App::callstack() != "poller_run") {
if ($a->maxload_reached())
return;
if (App::is_already_running('cron', 'include/cron.php', 540))
return;
}
$last = get_config('system','last_cron');
$poll_interval = intval(get_config('system','cron_interval'));
if(! $poll_interval)
$poll_interval = 10;
if($last) {
$next = $last + ($poll_interval * 60);
if($next > time()) {
logger('cron intervall not reached');
return;
}
}
$a->set_baseurl(get_config('system','url'));
load_hooks();
logger('cron: start');
// run queue delivery process in the background
proc_run(PRIORITY_NEGLIGIBLE, "include/queue.php");
// run the process to discover global contacts in the background
proc_run(PRIORITY_LOW, "include/discover_poco.php");
// run the process to update locally stored global contacts in the background
proc_run(PRIORITY_LOW, "include/discover_poco.php", "checkcontact");
// Expire and remove user entries
cron_expire_and_remove_users();
// If the worker is active, split the jobs in several sub processes
if (get_config("system", "worker")) {
// Check OStatus conversations
proc_run(PRIORITY_MEDIUM, "include/cronjobs.php", "ostatus_mentions");
// Check every conversation
proc_run(PRIORITY_MEDIUM, "include/cronjobs.php", "ostatus_conversations");
// Call possible post update functions
proc_run(PRIORITY_LOW, "include/cronjobs.php", "post_update");
// update nodeinfo data
proc_run(PRIORITY_LOW, "include/cronjobs.php", "nodeinfo");
} else {
// Check OStatus conversations
// Check only conversations with mentions (for a longer time)
ostatus::check_conversations(true);
// Check every conversation
ostatus::check_conversations(false);
// Call possible post update functions
// see include/post_update.php for more details
post_update();
// update nodeinfo data
nodeinfo_cron();
}
// once daily run birthday_updates and then expire in background
$d1 = get_config('system','last_expire_day');
$d2 = intval(datetime_convert('UTC','UTC','now','d'));
if($d2 != intval($d1)) {
update_contact_birthdays();
proc_run(PRIORITY_LOW, "include/discover_poco.php", "suggestions");
set_config('system','last_expire_day',$d2);
proc_run(PRIORITY_LOW, 'include/expire.php');
proc_run(PRIORITY_LOW, 'include/dbclean.php');
cron_update_photo_albums();
}
// Clear cache entries
cron_clear_cache($a);
// Repair missing Diaspora values in contacts
cron_repair_diaspora($a);
// Repair entries in the database
cron_repair_database();
// Poll contacts
cron_poll_contacts($argc, $argv);
logger('cron: end');
set_config('system','last_cron', time());
return;
}
/**
* @brief Update the cached values for the number of photo albums per user
*/
function cron_update_photo_albums() {
$r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
if (!dbm::is_result($r)) {
return;
}
foreach ($r AS $user) {
photo_albums($user['uid'], true);
}
}
/**
* @brief Expire and remove user entries
*/
function cron_expire_and_remove_users() {
// expire any expired accounts
q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
AND `account_expires_on` != '0000-00-00 00:00:00'
AND `account_expires_on` < UTC_TIMESTAMP() ");
// delete user and contact records for recently removed accounts
$r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
if ($r) {
foreach($r as $user) {
q("DELETE FROM `contact` WHERE `uid` = %d", intval($user['uid']));
q("DELETE FROM `user` WHERE `uid` = %d", intval($user['uid']));
}
}
}
/**
* @brief Poll contacts for unreceived messages
*
* @param Integer $argc Number of command line arguments
* @param Array $argv Array of command line arguments
*/
function cron_poll_contacts($argc, $argv) {
$manual_id = 0;
$generation = 0;
$force = false;
$restart = false;
if (($argc > 1) && ($argv[1] == 'force'))
$force = true;
if (($argc > 1) && ($argv[1] == 'restart')) {
$restart = true;
$generation = intval($argv[2]);
if (!$generation)
killme();
}
if (($argc > 1) && intval($argv[1])) {
$manual_id = intval($argv[1]);
$force = true;
}
$interval = intval(get_config('system','poll_interval'));
if (!$interval)
$interval = ((get_config('system','delivery_interval') === false) ? 3 : intval(get_config('system','delivery_interval')));
// If we are using the worker we don't need a delivery interval
if (get_config("system", "worker"))
$interval = false;
$sql_extra = (($manual_id) ? " AND `id` = $manual_id " : "");
reload_plugins();
$d = datetime_convert();
// Only poll from those with suitable relationships,
// and which have a polling address and ignore Diaspora since
// we are unable to match those posts with a Diaspora GUID and prevent duplicates.
$abandon_days = intval(get_config('system','account_abandon_days'));
if($abandon_days < 1)
$abandon_days = 0;
$abandon_sql = (($abandon_days)
? sprintf(" AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL %d DAY ", intval($abandon_days))
: ''
);
$contacts = q("SELECT `contact`.`id` FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `rel` IN (%d, %d) AND `poll` != '' AND `network` IN ('%s', '%s', '%s', '%s', '%s', '%s')
$sql_extra
AND NOT `self` AND NOT `contact`.`blocked` AND NOT `contact`.`readonly` AND NOT `contact`.`archive`
AND NOT `user`.`account_expired` AND NOT `user`.`account_removed` $abandon_sql ORDER BY RAND()",
intval(CONTACT_IS_SHARING),
intval(CONTACT_IS_FRIEND),
dbesc(NETWORK_DFRN),
dbesc(NETWORK_ZOT),
dbesc(NETWORK_OSTATUS),
dbesc(NETWORK_FEED),
dbesc(NETWORK_MAIL),
dbesc(NETWORK_MAIL2)
);
if (!count($contacts)) {
return;
}
foreach ($contacts as $c) {
$res = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
intval($c['id'])
);
if (dbm::is_result($res))
continue;
foreach($res as $contact) {
$xml = false;
if($manual_id)
$contact['last-update'] = '0000-00-00 00:00:00';
if(in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS)))
$contact['priority'] = 2;
if($contact['subhub'] AND in_array($contact['network'], array(NETWORK_DFRN, NETWORK_ZOT, NETWORK_OSTATUS))) {
// We should be getting everything via a hub. But just to be sure, let's check once a day.
// (You can make this more or less frequent if desired by setting 'pushpoll_frequency' appropriately)
// This also lets us update our subscription to the hub, and add or replace hubs in case it
// changed. We will only update hubs once a day, regardless of 'pushpoll_frequency'.
$poll_interval = get_config('system','pushpoll_frequency');
$contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
}
if($contact['priority'] AND !$force) {
$update = false;
$t = $contact['last-update'];
/**
* Based on $contact['priority'], should we poll this site now? Or later?
*/
switch ($contact['priority']) {
case 5:
if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 month"))
$update = true;
break;
case 4:
if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 week"))
$update = true;
break;
case 3:
if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 day"))
$update = true;
break;
case 2:
if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 12 hour"))
$update = true;
break;
case 1:
default:
if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', $t . " + 1 hour"))
$update = true;
break;
}
if (!$update)
continue;
}
logger("Polling ".$contact["network"]." ".$contact["id"]." ".$contact["nick"]." ".$contact["name"]);
if (($contact['network'] == NETWORK_FEED) AND ($contact['priority'] <= 3)) {
proc_run(PRIORITY_MEDIUM, 'include/onepoll.php', $contact['id']);
} else {
proc_run(PRIORITY_LOW, 'include/onepoll.php', $contact['id']);
}
if($interval)
@time_sleep_until(microtime(true) + (float) $interval);
}
}
}
/**
* @brief Clear cache entries
*
* @param App $a
*/
function cron_clear_cache(App &$a) {
$last = get_config('system','cache_last_cleared');
if($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", $a->get_basepath()."/view/smarty3/compiled");
// clear cache for image proxy
if (!get_config("system", "proxy_disabled")) {
clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
$cachetime = get_config('system','proxy_cache_time');
if (!$cachetime) $cachetime = PROXY_DEFAULT_TIME;
q('DELETE FROM `photo` WHERE `uid` = 0 AND `resource-id` LIKE "pic:%%" AND `created` < NOW() - INTERVAL %d SECOND', $cachetime);
}
// Delete the cached OEmbed entries that are older than one year
q("DELETE FROM `oembed` WHERE `created` < NOW() - INTERVAL 3 MONTH");
// Delete the cached "parse_url" entries that are older than one year
q("DELETE FROM `parsed_url` WHERE `created` < NOW() - INTERVAL 3 MONTH");
// Maximum table size in megabyte
$max_tablesize = intval(get_config('system','optimize_max_tablesize')) * 1000000;
if ($max_tablesize == 0)
$max_tablesize = 100 * 1000000; // Default are 100 MB
if ($max_tablesize > 0) {
// Minimum fragmentation level in percent
$fragmentation_level = intval(get_config('system','optimize_fragmentation')) / 100;
if ($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"]));
}
}
set_config('system','cache_last_cleared', time());
}
/**
* @brief Repair missing values in Diaspora contacts
*
* @param App $a
*/
function cron_repair_diaspora(App &$a) {
$r = q("SELECT `id`, `url` FROM `contact`
WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
if (dbm::is_result($r)) {
foreach ($r AS $contact) {
if (poco_reachable($contact["url"])) {
$data = probe_url($contact["url"]);
if ($data["network"] == NETWORK_DIASPORA) {
logger("Repair contact ".$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
*
*/
function cron_repair_database() {
// 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']);
user_create_self_contact($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 $user)
update_gcontact_for_user($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
}
if (array_search(__file__,get_included_files())===0){
cron_run($_SERVER["argv"],$_SERVER["argc"]);
killme();
}