36 lines
953 B
PHP
36 lines
953 B
PHP
|
<?php
|
||
|
|
function checkIfUserIsRateLimited($resource, $timeLimit = 10, $currentResLimit = 1) {
|
||
|
|
$clientIP = $_SERVER['REMOTE_ADDR'];
|
||
|
|
$ipHash = hash('sha256', "ratelimits-$clientIP");
|
||
|
|
|
||
|
|
$info = @file_get_contents('cache/'.$ipHash.'.json');
|
||
|
|
$info = json_decode($info, 1);
|
||
|
|
|
||
|
|
if(!isset($info['resource'])) {
|
||
|
|
$info['resource'] = $resource;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!isset($info['lastAccess'])) {
|
||
|
|
$info['lastAccess'] = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
$lastAccess = $info['lastAccess'];
|
||
|
|
$accessedRes = $info['resource'];
|
||
|
|
$blockAccessTime = $lastAccess + $timeLimit;
|
||
|
|
|
||
|
|
if($blockAccessTime > microtime(1) && $accessedRes != $resource) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
$info['lastAccess'] = microtime(1);
|
||
|
|
$info['resource'] = $resource;
|
||
|
|
|
||
|
|
@file_put_contents('cache/'.$ipHash.'.json', json_encode($info)."\n");
|
||
|
|
|
||
|
|
if($lastAccess + $currentResLimit > microtime(1) && $accessedRes == $resource) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|