friendica/src/Worker/GProbe.php

66 lines
1.6 KiB
PHP
Raw Normal View History

2017-11-19 17:25:13 +01:00
<?php
/**
* @file src/Worker/GProbe.php
2017-11-19 17:25:13 +01:00
*/
namespace Friendica\Worker;
2017-11-19 17:25:13 +01:00
use Friendica\Core\Cache;
use Friendica\Database\DBA;
use Friendica\Model\GContact;
2017-11-19 17:25:13 +01:00
use Friendica\Network\Probe;
use Friendica\Protocol\PortableContact;
class GProbe {
public static function execute($url = '')
2017-11-19 17:25:13 +01:00
{
if (empty($url)) {
return;
}
$r = q(
"SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
dbesc(normalise_link($url))
);
logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
if (!DBA::is_result($r)) {
2017-11-19 17:25:13 +01:00
// Is it a DDoS attempt?
$urlparts = parse_url($url);
$result = Cache::get("gprobe:".$urlparts["host"]);
if (!is_null($result)) {
if (in_array($result["network"], [NETWORK_FEED, NETWORK_PHANTOM])) {
2017-11-19 17:25:13 +01:00
logger("DDoS attempt detected for ".$urlparts["host"]." by ".$_SERVER["REMOTE_ADDR"].". server data: ".print_r($_SERVER, true), LOGGER_DEBUG);
return;
}
}
$arr = Probe::uri($url);
if (is_null($result)) {
Cache::set("gprobe:".$urlparts["host"], $arr);
}
if (!in_array($arr["network"], [NETWORK_FEED, NETWORK_PHANTOM])) {
GContact::update($arr);
2017-11-19 17:25:13 +01:00
}
$r = q(
"SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
dbesc(normalise_link($url))
);
}
if (DBA::is_result($r)) {
2017-11-19 17:25:13 +01:00
// Check for accessibility and do a poco discovery
if (PortableContact::lastUpdated($r[0]['url'], true) && ($r[0]["network"] == NETWORK_DFRN)) {
PortableContact::loadWorker(0, 0, $r[0]['id'], str_replace('/profile/', '/poco/', $r[0]['url']));
}
}
logger("gprobe end for ".normalise_link($url), LOGGER_DEBUG);
return;
}
}