isIPAddressTrait($ip, $type)) { return false; } // Prefix는 0~32 사이인지 검사 (IPv4 기준) $prefix = (int) $prefix; if ($prefix < 0 || $prefix > 32) { return false; } return true; } final public function isHostNameTrait(string $host): bool { $pattern_validation = '/[a-zA-Z0-9\.\/\?\:@\*\-_=#]/'; return preg_match($pattern_validation, $host); } final public function isMobile() { // Check the server headers to see if they're mobile friendly if (isset($_SERVER["HTTP_X_WAP_PROFILE"])) { return true; } // If the http_accept header supports wap then it's a mobile too if (preg_match("/wap\.|\.wap/i", $_SERVER["HTTP_ACCEPT"])) { return true; } // Still no luck? Let's have a look at the user agent on the browser. If it contains // any of the following, it's probably a mobile device. Kappow! if (isset($_SERVER["HTTP_USER_AGENT"])) { $user_agents = array("midp", "j2me", "avantg", "docomo", "novarra", "palmos", "palmsource", "240x320", "opwv", "chtml", "pda", "windows\ ce", "mmp\/", "blackberry", "mib\/", "symbian", "wireless", "nokia", "hand", "mobi", "phone", "cdm", "up\.b", "audio", "SIE\-", "SEC\-", "samsung", "HTC", "mot\-", "mitsu", "sagem", "sony", "alcatel", "lg", "erics", "vx", "NEC", "philips", "mmm", "xx", "panasonic", "sharp", "wap", "sch", "rover", "pocket", "benq", "java", "pt", "pg", "vox", "amoi", "bird", "compal", "kg", "voda", "sany", "kdd", "dbt", "sendo", "sgh", "gradi", "jb", "\d\d\di", "moto"); foreach ($user_agents as $user_string) { if (preg_match("/" . $user_string . "/i", $_SERVER["HTTP_USER_AGENT"])) { return true; } } } // Let's NOT return "mobile" if it's an iPhone, because the iPhone can render normal pages quite well. if (preg_match("/iphone/i", $_SERVER["HTTP_USER_AGENT"])) { return false; } // None of the above? Then it's probably not a mobile device. return false; } final public function alertTrait(string $msg, $url = null) { $msg = preg_replace("/\r/", "\\r", $msg); $msg = preg_replace("/\n/", "\\n", $msg); $msg = preg_replace("/\'/", "\'", $msg); $msg = preg_replace("/\"/", "\'", $msg); $msg = "alert(\"{$msg}\");"; switch ($url) { case 'close': $msg .= "window.close();"; break; default: $msg .= $url ? "location.href=\"{$url}\";" : ""; break; } return ""; } final public function getPasswordStringTrait($length = 8, $characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789") { return substr(str_shuffle($characters), 0, $length);; } // byte값을 알아보기 쉽게 변환 final public function getSizeForHumanTrait($bytes) { $ext = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'); $unitCount = 0; for (; $bytes > 1024; $unitCount++) { $bytes /= 1024; } return floor($bytes) . $ext[$unitCount]; } // Proxy등을 통하여 Client_IP가 알수없는경우 실제사용자의 IP를 가져오기 위한것 final public function getClientIPTrait($clientIP = false) { if (isset($_SERVER['HTTP_CLIENT_IP'])) { $clientIP = $_SERVER['HTTP_CLIENT_IP']; } else if (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) { $clientIP = $_SERVER['HTTP_X_FORWARDED_FOR']; } else if (isset($_SERVER['HTTP_X_FORWARDED'])) { $clientIP = $_SERVER['HTTP_X_FORWARDED']; } else if (isset($_SERVER['HTTP_FORWARDED_FOR'])) { $clientIP = $_SERVER['HTTP_FORWARDED_FOR']; } else if (isset($_SERVER['HTTP_FORWARDED'])) { $clientIP = $_SERVER['HTTP_FORWARDED']; } else if (isset($_SERVER['REMOTE_ADDR'])) { $clientIP = $_SERVER['REMOTE_ADDR']; } return $clientIP; } // (EX:192.168.1.0 -> 192.168.001.000) final public function cidrToIpRangeTrait(string $cidr): array { if (!$this->isValidCIDR($cidr)) { return []; // 유효하지 않으면 빈 배열 반환 } list($ip, $prefix) = explode('/', $cidr); $prefix = (int) $prefix; $ipLong = ip2long($ip); $netmask = ~((1 << (32 - $prefix)) - 1); $network = $ipLong & $netmask; $broadcast = $network | ~$netmask; $ips = []; // 첫 IP부터 마지막 IP까지 반복 for ($i = $network; $i <= $broadcast; $i++) { $ips[] = long2ip($i); } return $ips; } }