include/gprobe.php

   1 <?php
   2
   3 use Friendica\Core\Config;
   4
   5 require_once 'include/probe.php';
   6 require_once 'include/socgraph.php';
   7 require_once 'include/datetime.php';
   8
   9 function gprobe_run(&$argv, &$argc){
  10         if ($argc != 2) {
  11                 return;
  12         }
  13         $url = hex2bin($argv[1]);
  14
  15         $r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
  16                 dbesc(normalise_link($url))
  17         );
  18
  19         logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
  20
  21         if (!dbm::is_result($r)) {
  22
  23                 // Is it a DDoS attempt?
  24                 $urlparts = parse_url($url);
  25
  26                 $result = Cache::get("gprobe:".$urlparts["host"]);
  27                 if (!is_null($result)) {
  28                         if (in_array($result["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
  29                                 logger("DDoS attempt detected for ".$urlparts["host"]." by ".$_SERVER["REMOTE_ADDR"].". server data: ".print_r($_SERVER, true), LOGGER_DEBUG);
  30                                 return;
  31                         }
  32                 }
  33
  34                 $arr = probe_url($url);
  35
  36                 if (is_null($result)) {
  37                         Cache::set("gprobe:".$urlparts["host"], $arr);
  38                 }
  39
  40                 if (!in_array($arr["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
  41                         update_gcontact($arr);
  42                 }
  43
  44                 $r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
  45                         dbesc(normalise_link($url))
  46                 );
  47         }
  48         if (dbm::is_result($r)) {
  49                 // Check for accessibility and do a poco discovery
  50                 if (poco_last_updated($r[0]['url'], true) AND ($r[0]["network"] == NETWORK_DFRN))
  51                         poco_load(0,0,$r[0]['id'], str_replace('/profile/','/poco/',$r[0]['url']));
  52         }
  53
  54         logger("gprobe end for ".normalise_link($url), LOGGER_DEBUG);
  55         return;
  56 }