getnamingo-registry/das/das.php
2023-08-06 18:45:13 +03:00

100 lines
No EOL
3.1 KiB
PHP

<?php
// Include the Swoole extension
if (!extension_loaded('swoole')) {
die('Swoole extension must be installed');
}
// Create a Swoole TCP server
$server = new Swoole\Server('0.0.0.0', 1043);
$server->set([
'daemonize' => false,
'log_file' => '/var/log/das/das.log',
'log_level' => SWOOLE_LOG_INFO,
'worker_num' => swoole_cpu_num() * 2,
'pid_file' => '/var/log/das/das.pid'
]);
// Register a callback to handle incoming connections
$server->on('connect', function ($server, $fd) {
echo "Client connected: {$fd}\r\n";
});
// Register a callback to handle incoming requests
$server->on('receive', function ($server, $fd, $reactorId, $data) {
// Validate and sanitize the domain name
$domain = trim($data);
if (!$domain) {
$server->send($fd, "please enter a domain name");
$server->close($fd);
}
if (strlen($domain) > 68) {
$server->send($fd, "domain name is too long");
$server->close($fd);
}
$domain = strtoupper($domain);
if (preg_match("/[^A-Z0-9\.\-]/", $domain)) {
$server->send($fd, "domain name invalid format");
$server->close($fd);
}
if (preg_match("/(^-|^\.|-\.|\.-|--|\.\.|-$|\.$)/", $domain)) {
$server->send($fd, "domain name invalid format");
$server->close($fd);
}
if (!preg_match("/^[A-Z0-9-]+\.(XX|COM\.XX|ORG\.XX|INFO\.XX|PRO\.XX)$/", $domain)) {
$server->send($fd, "please search only XX domains at least 2 letters");
$server->close($fd);
}
// Connect to the database
try {
$pdo = new PDO('mysql:host=localhost;dbname=registry', 'registry-select', 'EPPRegistrySELECT');
$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
} catch (PDOException $e) {
$server->send($fd, "Error connecting to database");
$server->close($fd);
}
// Perform the DAS lookup
try {
$query = "SELECT name FROM `registry`.`domain` WHERE `name` = :domain";
$stmt = $pdo->prepare($query);
$stmt->bindParam(':domain', $domain, PDO::PARAM_STR);
$stmt->execute();
if ($f = $stmt->fetch(PDO::FETCH_ASSOC)) {
$server->send($fd, "1");
if ($fp = @fopen("/var/log/das/das_request.log",'a')) {
$clientInfo = $server->getClientInfo($fd);
$remoteAddr = $clientInfo['remote_ip'];
fwrite($fp,date('Y-m-d H:i:s')."\t-\t".$remoteAddr."\t-\t".$domain."\n");
fclose($fp);
}
$server->close($fd);
} else {
$server->send($fd, "0");
if ($fp = @fopen("/var/log/das/das_not_found.log",'a')) {
$clientInfo = $server->getClientInfo($fd);
$remoteAddr = $clientInfo['remote_ip'];
fwrite($fp,date('Y-m-d H:i:s')."\t-\t".$remoteAddr."\t-\t".$domain."\n");
fclose($fp);
}
$server->close($fd);
}
} catch (PDOException $e) {
$server->send($fd, "Error connecting to the das database");
$server->close($fd);
}
// Close the connection
$pdo = null;
});
// Register a callback to handle client disconnections
$server->on('close', function ($server, $fd) {
echo "Client disconnected: {$fd}\r\n";
});
// Start the server
$server->start();