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|
<?php
namespace GeminiFoundation;
class Server
{
protected string $hostname;
protected array $certificate = [
'file' => null,
'key' => null,
'passphrase' => null,
];
protected array $options = [];
protected array $requestHandlers = [];
/**
* @param array $certificate
* @param string $hostname
* @param array $options
*/
public function __construct(
array $certificate,
string $hostname = 'localhost',
array $options = []
)
{
$this->certificate = $certificate;
$this->hostname = $hostname;
$this->options = array_replace_recursive([
'context' => [],
'client_certificate_support_workaround' => false, # "support" until https://bugs.php.net/bug.php?id=80770
'client_certificate_support_workaround_timeout' => 3,
], $options);
}
public function setCertificate(string $certificateFile, string $keyFile, string $passphrase = ''): static
{
$this->certificate = [
'file' => $certificateFile,
'key' => $keyFile,
'passphrase' => $passphrase,
];
return $this;
}
public function onRequest(RequestHandlerInterface|callable $callable): static
{
$this->requestHandlers[] = $callable;
return $this;
}
public function listen(int $port = 1965): void
{
$contextOptions = array_replace_recursive([
'ssl' => [
'local_cert' => $this->certificate['file'],
'local_pk' => $this->certificate['key'],
'passphrase' => $this->certificate['passphrase'],
'allow_self_signed' => true,
'verify_peer' => false,
'capture_peer_cert' => true,
],
], $this->options['context']);
$context = stream_context_create(options: $contextOptions);
$socket = stream_socket_server(
address: "tls://{$this->hostname}:{$port}",
context: $context
);
$connections = [];
while (true) {
if ($this->options['client_certificate_support_workaround']) {
stream_context_set_option($socket, 'ssl', 'verify_peer', true);
}
echo "Listening for connections.\n";
$connection = stream_socket_accept(
socket: $socket,
timeout: empty($connections) ? -1 : 0,
peer_name: $peer
);
if ($connection) {
$connections[$peer] = $connection;
} else if ($this->options['client_certificate_support_workaround']) {
echo "Enabling client certificate \"support\" workaround.\n";
echo "Listening without verifying peer.\n";
stream_context_set_option($socket, 'ssl', 'verify_peer', false);
$connection = stream_socket_accept(
socket: $socket,
timeout: $this->options['client_certificate_support_workaround_timeout'],
peer_name: $peer
);
if ($connection) {
$connections[$peer] = $connection;
}
}
if (count($connections) == 0) {
continue;
}
$streams = stream_select(
read: $connections,
write: $write,
except: $except,
seconds: 5
);
if ($streams) {
foreach ($connections as $peer => $connection) {
if (feof($connection)) {
fclose($connection);
unset($connections[$peer]);
continue;
}
$request = Request::fromResource($connection);
$response = new Response();
foreach ($this->requestHandlers as $requestHandler) {
$response = $requestHandler($response, $request);
}
$response->send($connection);
fclose($connection);
unset($connections[$peer]);
}
}
}
}
}
|
