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[friendica.git] / include / gprobe.php

diff --git a/include/gprobe.php b/include/gprobe.php
index 36650eb9ae4d026ae06fe33b5d23a0e262b1d4de..91b9b16e3306077ba2f0c574e6c46e0ce5fe066a 100644 (file)
--- a/include/gprobe.php
+++ b/include/gprobe.php
@@ -33,36 +33,49 @@ function gprobe_run(&$argv, &$argc){
 
        $url = hex2bin($argv[1]);
 
-       $r = q("select * from gcontact where nurl = '%s' limit 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(! count($r)) {
+       if (!count($r)) {
 
-               $arr = probe_url($url);
-               if(count($arr) && x($arr,'network') && $arr['network'] === NETWORK_DFRN) {
-                       q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`)
-                               values ( '%s', '%s', '%s', '%s') ",
-                               dbesc($arr['name']),
-                               dbesc($arr['url']),
-                               dbesc(normalise_link($arr['url'])),
-                               dbesc($arr['photo'])
-                       );
+               // Is it a DDoS attempt?
+               $urlparts = parse_url($url);
+
+               $result = Cache::get("gprobe:".$urlparts["host"]);
+               if (!is_null($result)) {
+                       $result = unserialize($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;
+                       }
                }
-               $r = q("select * from gcontact where nurl = '%s' limit 1",
+
+               $arr = probe_url($url);
+
+               if (is_null($result))
+                       Cache::set("gprobe:".$urlparts["host"],serialize($arr));
+
+               if (!in_array($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(count($r))
-               poco_load(0,0,$r[0]['id'], str_replace('/profile/','/poco/',$r[0]['url']));
+       if(count($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;
 }
 
 if (array_search(__file__,get_included_files())===0){
-  gprobe_run($argv,$argc);
+  gprobe_run($_SERVER["argv"],$_SERVER["argc"]);
   killme();
 }