friendica_2021-01/include/gprobe.php

55 lines
1.5 KiB
PHP

<?php
use \Friendica\Core\Config;
require_once('include/Scrape.php');
require_once('include/socgraph.php');
require_once('include/datetime.php');
function gprobe_run(&$argv, &$argc){
if($argc != 2)
return;
$url = hex2bin($argv[1]);
$r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
dbesc(normalise_link($url))
);
logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
if (!dbm::is_result($r)) {
// Is it a DDoS attempt?
$urlparts = parse_url($url);
$result = Cache::get("gprobe:".$urlparts["host"]);
if (!is_null($result)) {
if (in_array($result["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
logger("DDoS attempt detected for ".$urlparts["host"]." by ".$_SERVER["REMOTE_ADDR"].". server data: ".print_r($_SERVER, true), LOGGER_DEBUG);
return;
}
}
$arr = probe_url($url);
if (is_null($result))
Cache::set("gprobe:".$urlparts["host"], $arr);
if (!in_array($arr["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))
update_gcontact($arr);
$r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
dbesc(normalise_link($url))
);
}
if (dbm::is_result($r)) {
// Check for accessibility and do a poco discovery
if (poco_last_updated($r[0]['url'], true) AND ($r[0]["network"] == NETWORK_DFRN))
poco_load(0,0,$r[0]['id'], str_replace('/profile/','/poco/',$r[0]['url']));
}
logger("gprobe end for ".normalise_link($url), LOGGER_DEBUG);
return;
}