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- <?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";
- }
- }
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