Merge pull request #2112 from rabuzarus/2811_group_side

[friendica.git] / include / gprobe.php

diff --git a/include/gprobe.php b/include/gprobe.php
index 88e6bad4a4f6ccb3329f7aed9e935d29a40f9ebd..84292f263affb3fb7d6daed93f566674f20f2e38 100644 (file)
--- a/include/gprobe.php
+++ b/include/gprobe.php
@@ -10,10 +10,10 @@ function gprobe_run(&$argv, &$argc){
        if(is_null($a)) {
                $a = new App;
        }
-  
+
        if(is_null($db)) {
            @include(".htconfig.php");
-       require_once("dba.php");
+       require_once("include/dba.php");
            $db = new dba($db_host, $db_user, $db_pass, $db_data);
        unset($db_host, $db_user, $db_pass, $db_data);
        };
@@ -37,9 +37,27 @@ function gprobe_run(&$argv, &$argc){
                dbesc(normalise_link($url))
        );
 
+       logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
+
        if(! count($r)) {
 
+               // 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;
+                       }
+               }
+
                $arr = probe_url($url);
+
+               if (is_null($result))
+                       Cache::set("gprobe:".$urlparts["host"],serialize($arr));
+
                if(count($arr) && x($arr,'network') && $arr['network'] === NETWORK_DFRN) {
                        q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`)
                                values ( '%s', '%s', '%s', '%s') ",
@@ -55,11 +73,12 @@ function gprobe_run(&$argv, &$argc){
        }
        if(count($r))
                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();
 }