bitPickups/friendica_2019-12_sharedHosting_hotFix
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Preventing a DDoS with the zrl parameter.

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Michael Vogel 2015-03-28 08:29:01 +01:00
commit 0206f447e1
2 changed files with 30 additions and 0 deletions
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16
include/gprobe.php
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@ -41,7 +41,23 @@ function gprobe_run(&$argv, &$argc){
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 ($result["network"] == NETWORK_FEED) {
logger("DDoS attempt detected for ".$urlparts["host"], 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') ",