<?php namespace App\Utils; class Helper { public static function guid($format = false) { if (function_exists('com_create_guid') === true) { return md5(trim(com_create_guid(), '{}')); } $data = openssl_random_pseudo_bytes(16); $data[6] = chr(ord($data[6]) & 0x0f | 0x40); // set version to 0100 $data[8] = chr(ord($data[8]) & 0x3f | 0x80); // set bits 6-7 to 10 if ($format) { return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)); } return md5(vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4)) . '-' . time()); } public static function exchange($from, $to) { $result = file_get_contents('https://api.exchangeratesapi.io/latest?symbols=' . $to . '&base=' . $from); $result = json_decode($result, true); return $result['rates'][$to]; } public static function randomChar($len, $special = false) { $chars = array( "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" ); if ($special) { $chars = array_merge($chars, array( "!", "@", "#", "$", "?", "|", "{", "/", ":", ";", "%", "^", "&", "*", "(", ")", "-", "_", "[", "]", "}", "<", ">", "~", "+", "=", ",", "." )); } $charsLen = count($chars) - 1; shuffle($chars); $str = ''; for ($i = 0; $i < $len; $i++) { $str .= $chars[mt_rand(0, $charsLen)]; } return $str; } public static function buildVmessLink($item, $user) { $config = [ "v" => "2", "ps" => $item->name, "add" => $item->host, "port" => $item->port, "id" => $user->v2ray_uuid, "aid" => "2", "net" => $item->network, "type" => "none", "host" => "", "path" => "", "tls" => $item->tls ? "tls" : "" ]; if ($item->network == 'ws') { $wsSettings = json_decode($item->settings); if (isset($wsSettings->path)) $config['path'] = $wsSettings->path; if (isset($wsSettings->headers->Host)) $config['host'] = $wsSettings->headers->Host; } return "vmess://" . base64_encode(json_encode($config)) . "\r\n"; } public static function multiPasswordVerify($algo, $password, $hash) { switch($algo) { case 'md5': return md5($password) === $hash; case 'sha256': return hash('sha256', $password) === $hash; default: return password_verify($password, $hash); } } public static function emailSuffixVerify($email, $suffixs) { $suffix = preg_split('/@/', $email)[1]; if (!$suffix) return false; if (!is_array($suffixs)) { $suffixs = preg_split('/,/', $suffixs); } if (!in_array($suffix, $suffixs)) return false; return true; } }