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[friendica.git] / include / gprobe.php
1 <?php
2
3 require_once("boot.php");
4 require_once('include/Scrape.php');
5 require_once('include/socgraph.php');
6
7 function gprobe_run(&$argv, &$argc){
8         global $a, $db;
9
10         if(is_null($a)) {
11                 $a = new App;
12         }
13
14         if(is_null($db)) {
15             @include(".htconfig.php");
16         require_once("include/dba.php");
17             $db = new dba($db_host, $db_user, $db_pass, $db_data);
18         unset($db_host, $db_user, $db_pass, $db_data);
19         };
20
21         require_once('include/session.php');
22         require_once('include/datetime.php');
23
24         load_config('config');
25         load_config('system');
26
27         $a->set_baseurl(get_config('system','url'));
28
29         load_hooks();
30
31         if($argc != 2)
32                 return;
33
34         $url = hex2bin($argv[1]);
35
36         $r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
37                 dbesc(normalise_link($url))
38         );
39
40         logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
41
42         if (!count($r)) {
43
44                 // Is it a DDoS attempt?
45                 $urlparts = parse_url($url);
46
47                 $result = Cache::get("gprobe:".$urlparts["host"]);
48                 if (!is_null($result)) {
49                         $result = unserialize($result);
50                         if (in_array($result["network"], array(NETWORK_FEED, NETWORK_PHANTOM))) {
51                                 logger("DDoS attempt detected for ".$urlparts["host"]." by ".$_SERVER["REMOTE_ADDR"].". server data: ".print_r($_SERVER, true), LOGGER_DEBUG);
52                                 return;
53                         }
54                 }
55
56                 $arr = probe_url($url);
57
58                 if (is_null($result))
59                         Cache::set("gprobe:".$urlparts["host"],serialize($arr));
60
61                 if (!in_array($arr["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))
62                         update_gcontact($arr);
63
64                 $r = q("SELECT `id`, `url`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 1",
65                         dbesc(normalise_link($url))
66                 );
67         }
68         if(count($r)) {
69                 // Check for accessibility and do a poco discovery
70                 if (poco_last_updated($r[0]['url'], true) AND ($r[0]["network"] == NETWORK_DFRN))
71                         poco_load(0,0,$r[0]['id'], str_replace('/profile/','/poco/',$r[0]['url']));
72         }
73
74         logger("gprobe end for ".normalise_link($url), LOGGER_DEBUG);
75         return;
76 }
77
78 if (array_search(__file__,get_included_files())===0){
79   gprobe_run($_SERVER["argv"],$_SERVER["argc"]);
80   killme();
81 }