include/gprobe.php

   1 <?php
   2 /**
   3  * @file include/gprobe.php
   4  */
   5 use Friendica\Core\Cache;
   6 use Friendica\Core\Config;
   7 use Friendica\Database\DBM;
   8 use Friendica\Model\GlobalContact;
   9 use Friendica\Network\Probe;
  10 use Friendica\Protocol\PortableContact;
  11
  12 require_once 'include/datetime.php';
  13
  14 function gprobe_run(&$argv, &$argc)
  15 {
  16         if ($argc != 2) {
  17                 return;
  18         }
  19         $url = $argv[1];
  20
  21         $r = q(
  22                 "SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
  23                 dbesc(normalise_link($url))
  24         );
  25
  26         logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
  27
  28         if (!DBM::is_result($r)) {
  29                 // Is it a DDoS attempt?
  30                 $urlparts = parse_url($url);
  31
  32                 $result = Cache::get("gprobe:".$urlparts["host"]);
  33                 if (!is_null($result)) {
  34                         if (in_array($result["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
  35                                 logger("DDoS attempt detected for ".$urlparts["host"]." by ".$_SERVER["REMOTE_ADDR"].". server data: ".print_r($_SERVER, true), LOGGER_DEBUG);
  36                                 return;
  37                         }
  38                 }
  39
  40                 $arr = Probe::uri($url);
  41
  42                 if (is_null($result)) {
  43                         Cache::set("gprobe:".$urlparts["host"], $arr);
  44                 }
  45
  46                 if (!in_array($arr["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
  47                         GlobalContact::update($arr);
  48                 }
  49
  50                 $r = q(
  51                         "SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
  52                         dbesc(normalise_link($url))
  53                 );
  54         }
  55         if (DBM::is_result($r)) {
  56                 // Check for accessibility and do a poco discovery
  57                 if (PortableContact::lastUpdated($r[0]['url'], true) && ($r[0]["network"] == NETWORK_DFRN)) {
  58                         PortableContact::loadWorker(0, 0, $r[0]['id'], str_replace('/profile/', '/poco/', $r[0]['url']));
  59                 }
  60         }
  61
  62         logger("gprobe end for ".normalise_link($url), LOGGER_DEBUG);
  63         return;
  64 }