68 lines
1.8 KiB
PHP
68 lines
1.8 KiB
PHP
<?php
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/**
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* @file src/Worker/GProbe.php
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*/
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namespace Friendica\Worker;
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use Friendica\Core\Cache;
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use Friendica\Core\Logger;
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use Friendica\Core\Protocol;
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use Friendica\Database\DBA;
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use Friendica\Model\GContact;
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use Friendica\Network\Probe;
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use Friendica\Protocol\PortableContact;
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use Friendica\Util\Strings;
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class GProbe {
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public static function execute($url = '')
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{
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if (empty($url)) {
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return;
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}
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$r = q(
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"SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
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DBA::escape(Strings::normaliseLink($url))
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);
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Logger::log("gprobe start for ".Strings::normaliseLink($url), Logger::DEBUG);
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if (!DBA::isResult($r)) {
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// Is it a DDoS attempt?
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$urlparts = parse_url($url);
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$result = Cache::get("gprobe:".$urlparts["host"]);
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if (!is_null($result)) {
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if (in_array($result["network"], [Protocol::FEED, Protocol::PHANTOM])) {
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Logger::log("DDoS attempt detected for ".$urlparts["host"]." by ".defaults($_SERVER, "REMOTE_ADDR", '').". server data: ".print_r($_SERVER, true), Logger::DEBUG);
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return;
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}
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}
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$arr = Probe::uri($url);
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if (is_null($result)) {
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Cache::set("gprobe:".$urlparts["host"], $arr);
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}
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if (!in_array($arr["network"], [Protocol::FEED, Protocol::PHANTOM])) {
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GContact::update($arr);
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}
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$r = q(
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"SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
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DBA::escape(Strings::normaliseLink($url))
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);
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}
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if (DBA::isResult($r)) {
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// Check for accessibility and do a poco discovery
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if (PortableContact::lastUpdated($r[0]['url'], true) && ($r[0]["network"] == Protocol::DFRN)) {
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PortableContact::loadWorker(0, 0, $r[0]['id'], str_replace('/profile/', '/poco/', $r[0]['url']));
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}
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}
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Logger::log("gprobe end for ".Strings::normaliseLink($url), Logger::DEBUG);
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return;
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}
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}
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