include/gprobe.php

   1 <?php
   2
   3 use \Friendica\Core\Config;
   4
   5 require_once('include/Scrape.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"], $arr);
  38
  39                 if (!in_array($arr["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))
  40                         update_gcontact($arr);
  41
  42                 $r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
  43                         dbesc(normalise_link($url))
  44                 );
  45         }
  46         if (dbm::is_result($r)) {
  47                 // Check for accessibility and do a poco discovery
  48                 if (poco_last_updated($r[0]['url'], true) AND ($r[0]["network"] == NETWORK_DFRN))
  49                         poco_load(0,0,$r[0]['id'], str_replace('/profile/','/poco/',$r[0]['url']));
  50         }
  51
  52         logger("gprobe end for ".normalise_link($url), LOGGER_DEBUG);
  53         return;
  54 }