php-com-cen/src/Http/LoginController.php

<?php

namespace ComCen\Http;

use Ratchet\ConnectionInterface;
use Ratchet\Http\HttpServerInterface;
use Psr\Http\Message\RequestInterface;

class LoginController implements HttpServerInterface
{
    public function onOpen(ConnectionInterface $conn, RequestInterface $request = null): void
    {
        $params = [];
        $json = "";
        parse_str($request->getUri()->getQuery(), $params);

        $username = $params["username"];
        $password = $params["password"];

        if (!$username || !$password) {
            $json = json_encode(["error" => "Bad Credentials"]);
            $conn->send("HTTP/1.1 400 Bad Request\r\nContent-Type: application/json\r\n\r\n{$json}");
            $conn->close();
            return;
        }

        $json = json_encode(["token" => "token"]);
        $conn->send("HTTP/1.1 200 OK\r\nContent-Type: application/json\r\n\r\n{$json}");
        $conn->close();
    }

    public function onMessage(ConnectionInterface $from, $msg): void {}
    public function onClose(ConnectionInterface $conn): void {}
    public function onError(ConnectionInterface $conn, \Exception $e): void { $conn->close(); }
}