91 lines
2.7 KiB
PHP
91 lines
2.7 KiB
PHP
<?php
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function setPlainHeader() {
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header("Content-Type: text/plain");
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}
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function getIPAddress() {
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return $_SERVER['REMOTE_ADDR'];
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}
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function newConnection($type = 1) {
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include __DIR__.'/../config/connection.php';
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try {
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return new mysqli(
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$type === 0 ? $games_db_host : $bd_db_host,
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$type === 0 ? $games_db_user : $bd_db_user,
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$type === 0 ? $games_db_pass : $bd_db_pass,
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$type === 0 ? $games_db_name : $bd_db_name,
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$type === 0 ? $games_db_port : $bd_db_port
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);
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} catch (mysqli_sql_exception $e) {
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exitWithMessage("-999");
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}
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}
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function getClientVersion() {
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return $_SERVER['HTTP_CLIENTVERSION'];
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}
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function encrypt($plainText) {
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include __DIR__.'/../config/encryption.php';
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$key = $SERVER_SEND_TRANSFER_KEY_SPECIFIC[getClientVersion()];
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if ($key == null) return;
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$iv = random_bytes(16);
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$cipher = openssl_encrypt($plainText, 'aes-256-cbc', $key, OPENSSL_RAW_DATA, $iv);
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return base64_encode($iv . $cipher);
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}
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function decrypt($dataB64) {
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include __DIR__.'/../config/encryption.php';
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$key = $SERVER_RECEIVE_TRANSFER_KEY_SPECIFIC[getClientVersion()];
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if ($key == null) return;
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$data = base64_decode($dataB64);
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$iv = substr($data, 0, 16);
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$cipher = substr($data, 16);
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$decrypted = openssl_decrypt($cipher, 'aes-256-cbc', $key, OPENSSL_RAW_DATA, $iv);
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if ($decrypted === false) {
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exit(encrypt('-997'));
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}
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return $decrypted;
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}
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function exitWithMessage($message, $encrypt = true) {
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if ($encrypt === true) {
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echo encrypt($message);
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} else {
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echo $message;
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}
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exit;
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}
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function getPostData() {
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$raw = file_get_contents("php://input");
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parse_str($raw, $postData);
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$decrypted = [];
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foreach ($postData as $k => $v) {
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$decKey = (getClientVersion() == "1.5.0" || getClientVersion() == "1.5.1") ? $k : decrypt($k);
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$decValue = decrypt($v);
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$decrypted[$decKey] = $decValue;
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}
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return $decrypted;
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}
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function uuidv4() {
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$data = random_bytes(16);
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$data[6] = chr((ord($data[6]) & 0x0f) | 0x40);
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$data[8] = chr((ord($data[8]) & 0x3f) | 0x80);
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return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
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}
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function genTimestamp($time) {
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$time = time() - $time;
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$time = ($time < 1) ? 1 : $time;
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$tokens = array (31536000 => 'year', 2592000 => 'month', 604800 => 'week', 86400 => 'day', 3600 => 'hour', 60 => 'minute', 1 => 'second');
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foreach($tokens as $unit => $text) {
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if($time < $unit) continue;
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$numberOfUnits = floor($time / $unit);
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return $numberOfUnits . ' ' . $text . (($numberOfUnits > 1) ? 's' : '');
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}
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} |