Merge pull request #3067 from rabuzarus/20170105_-_fix_dfrn_doxygen_todos

[friendica.git] / include / gprobe.php

diff --git a/include/gprobe.php b/include/gprobe.php
index 5ca42729a701c60159bfd2b0213831ee86bef229..7169aada3f7e38435d194f770c62f8186794b9da 100644 (file)
--- a/include/gprobe.php
+++ b/include/gprobe.php
@@ -4,19 +4,19 @@ require_once("boot.php");
 require_once('include/Scrape.php');
 require_once('include/socgraph.php');
 
-function gprobe_run($argv, $argc){
+function gprobe_run(&$argv, &$argc){
        global $a, $db;
 
        if(is_null($a)) {
                $a = new App;
        }
-  
+
        if(is_null($db)) {
-           @include(".htconfig.php");
-       require_once("dba.php");
-           $db = new dba($db_host, $db_user, $db_pass, $db_data);
-       unset($db_host, $db_user, $db_pass, $db_data);
-       };
+               @include(".htconfig.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);
+       };
 
        require_once('include/session.php');
        require_once('include/datetime.php');
@@ -33,33 +33,48 @@ 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))
        );
 
-       if(! count($r)) {
+       logger("gprobe start for ".normalise_link($url), LOGGER_DEBUG);
 
-               $arr = probe_url($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($arr['photo'])
-                       );
+       if (!dbm::is_result($r)) {
+
+               // Is it a DDoS attempt?
+               $urlparts = parse_url($url);
+
+               $result = Cache::get("gprobe:".$urlparts["host"]);
+               if (!is_null($result)) {
+                       if (in_array($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"], $arr);
+
+               if (!in_array($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/',$r[0]['url']));
-               
+       if (dbm::is_result($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);
-  killme();
+       gprobe_run($_SERVER["argv"],$_SERVER["argc"]);
+       killme();
 }