public static function get_cache($cache_name)
{
$file_path = PATH_DATA . '/cache/' . $cache_name . '.php';
if (file_exists($file_path)) {
$data = unserialize(mod_file::read($file_path));
//修复清空缓存后分类管理没有数据的bug
if ($data != NULL) {
return $data;
}
}
return false;
}
public static function fence($yl_cc)
{
$c_agentip = 0;
(!empty($_SERVER['HTTP_X_FORWARDED_FOR']) || !empty($_SERVER['HTTP_CLIENT_IP'])) && ($c_agentip = 1);
$timestamp = time();
$onlineip = mod_defend::get_ip();
$c_banedip = mod_file::read(PATH_DATA . '/log/banip.txt');
//被banip文件
if ($c_ipoffset = strpos($c_banedip . "\n", "\t" . $onlineip . "\n")) {
$c_ltt = (int) substr($c_banedip, $c_ipoffset - 10, 10);
// 获取屏蔽的时间
if ($timestamp - $c_ltt < 20) {
if ($timestamp - $c_ltt > 5) {
mod_file::write(PATH_DATA . '/log/banip.txt', str_replace($c_ltt . "\t" . $onlineip, $timestamp . "\t" . $onlineip, $c_banedip));
}
exit("Turn off CC, Please refresh after 20 secs");
} else {
mod_file::write(PATH_DATA . '/log/banip.txt', str_replace("\n" . $c_ltt . "\t" . $onlineip, '', $c_banedip));
}
}
$c_banip_a = explode("\n", $c_banedip);
if ($c_agentip == 1 || $yl_cc == 2) {
$c_time = 0;
if ($c_fp = @fopen(PATH_DATA . '/data/log/ccip.txt', 'rb')) {
flock($c_fp, LOCK_SH);
$c_size = 27 * 500;
fseek($c_fp, -$c_size, SEEK_END);
while (!feof($c_fp)) {
$c_value = explode("\t", fgets($c_fp, 29));
if ($timestamp - $c_value[0] < 10 && trim($c_value[1]) == $onlineip) {
$c_time++;
if ($c_time > 15) {
break;
}
}
}
fclose($c_fp);
}
if ($c_time > 15) {
array_push($c_banip_a, $timestamp . "\t" . $onlineip);
$c_banip_a = array_slice($c_banip_a, -150);
mod_file::write(PATH_DATA . '/log/banip.txt', implode("\n", $c_banip_a));
exit('Turn off CC');
}
if (@filesize(PATH_DATA . '/log/ccip.txt') > 27 * 1000) {
mod_file::rm(PATH_DATA . '/log/ccip.txt');
}
mod_file::write(PATH_DATA . '/log/ccip.txt', $timestamp . "\t" . $onlineip . "\n", 'ab');
}
if (false == self::post_verify()) {
exit('undefined_action');
}
}
