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This commit is contained in:
Marcel Pociot
2020-09-04 16:25:45 +02:00
parent eaf04a8eae
commit 12f08db391
11 changed files with 365 additions and 39 deletions
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19
app/Server/Connections/ConnectionManager.php
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@@ -6,6 +6,7 @@ use App\Contracts\ConnectionManager as ConnectionManagerContract;
use App\Contracts\SubdomainGenerator;
use Ratchet\ConnectionInterface;
use React\EventLoop\LoopInterface;
use React\Socket\Server;
class ConnectionManager implements ConnectionManagerContract
{
@@ -53,6 +54,24 @@ class ConnectionManager implements ConnectionManagerContract
return $storedConnection;
}
public function storeTcpConnection(int $port, ConnectionInterface $connection): ControlConnection
{
$clientId = (string) uniqid();
$connection->client_id = $clientId;
$storedConnection = new TcpControlConnection($connection, $port, $this->getSharedTcpServer(), $clientId);
$this->connections[] = $storedConnection;
return $storedConnection;
}
protected function getSharedTcpServer(): Server
{
return new Server(0, $this->loop);
}
public function storeHttpConnection(ConnectionInterface $httpConnection, $requestId): HttpConnection
{
$this->httpConnections[$requestId] = new HttpConnection($httpConnection);

1
app/Server/Connections/ControlConnection.php
View File

@@ -55,6 +55,7 @@ class ControlConnection
public function toArray()
{
return [
'type' => 'http',
'host' => $this->host,
'client_id' => $this->client_id,
'subdomain' => $this->subdomain,

101
app/Server/Connections/TcpControlConnection.php Normal file
View File

@@ -0,0 +1,101 @@
<?php
namespace App\Server\Connections;
use Evenement\EventEmitterTrait;
use Ratchet\ConnectionInterface;
use React\Socket\Server;
class TcpControlConnection extends ControlConnection
{
public $proxy;
public $proxyConnection;
public $port;
public $shared_port;
public $shared_server;
public function __construct(ConnectionInterface $socket, int $port, Server $sharedServer, string $clientId)
{
$this->socket = $socket;
$this->client_id = $clientId;
$this->shared_server = $sharedServer;
$this->port = $port;
$this->shared_at = now()->toDateTimeString();
$this->shared_port = parse_url($sharedServer->getAddress(), PHP_URL_PORT);
$this->configureServer($sharedServer);
}
public function setMaximumConnectionLength(int $maximumConnectionLength)
{
$this->socket->send(json_encode([
'event' => 'setMaximumConnectionLength',
'data' => [
'length' => $maximumConnectionLength,
],
]));
}
public function registerProxy($requestId)
{
$this->socket->send(json_encode([
'event' => 'createProxy',
'data' => [
'request_id' => $requestId,
'client_id' => $this->client_id,
],
]));
}
public function registerTcpProxy($requestId)
{
$this->socket->send(json_encode([
'event' => 'createTcpProxy',
'data' => [
'port' => $this->port,
'tcp_request_id' => $requestId,
'client_id' => $this->client_id,
],
]));
}
public function close()
{
$this->socket->close();
}
public function toArray()
{
return [
'type' => 'tcp',
'port' => $this->port,
'client_id' => $this->client_id,
'shared_port' => $this->shared_port,
'shared_at' => $this->shared_at,
];
}
protected function configureServer(Server $sharedServer)
{
$requestId = uniqid();
$sharedServer->on('connection', function(\React\Socket\ConnectionInterface $connection) use ($requestId) {
$this->proxyConnection = $connection;
$this->once('tcp_proxy_ready_'.$requestId, function (ConnectionInterface $proxy) use ($connection) {
$this->proxy = $proxy;
dump("Proxy ready");
$connection->on('data', function($data) use ($proxy) {
$proxy->send($data);
});
$connection->resume();
});
$connection->pause();
$this->registerTcpProxy($requestId);
});
}
}

70
app/Server/Http/Controllers/ControlMessageController.php
View File

@@ -54,6 +54,10 @@ class ControlMessageController implements MessageComponentInterface
if (isset($connection->request_id)) {
return $this->sendResponseToHttpConnection($connection->request_id, $msg);
}
if (isset($connection->tcp_request_id)) {
$connectionInfo = $this->connectionManager->findControlConnectionForClientId($connection->tcp_client_id);
$connectionInfo->proxyConnection->write($msg);
}
try {
$payload = json_decode($msg);
@@ -78,22 +82,11 @@ class ControlMessageController implements MessageComponentInterface
{
$this->verifyAuthToken($connection)
->then(function () use ($connection, $data) {
if (! $this->hasValidSubdomain($connection, $data->subdomain)) {
return;
if ($data->type === 'http') {
$this->handleHttpConnection($connection, $data);
} elseif($data->type === 'tcp') {
$this->handleTcpConnection($connection, $data);
}
$connectionInfo = $this->connectionManager->storeConnection($data->host, $data->subdomain, $connection);
$this->connectionManager->limitConnectionLength($connectionInfo, config('expose.admin.maximum_connection_length'));
$connection->send(json_encode([
'event' => 'authenticated',
'data' => [
'message' => config('expose.admin.messages.message_of_the_day'),
'subdomain' => $connectionInfo->subdomain,
'client_id' => $connectionInfo->client_id,
],
]));
}, function () use ($connection) {
$connection->send(json_encode([
'event' => 'authenticationFailed',
@@ -105,6 +98,41 @@ class ControlMessageController implements MessageComponentInterface
});
}
protected function handleHttpConnection(ConnectionInterface $connection, $data)
{
if (! $this->hasValidSubdomain($connection, $data->subdomain)) {
return;
}
$connectionInfo = $this->connectionManager->storeConnection($data->host, $data->subdomain, $connection);
$this->connectionManager->limitConnectionLength($connectionInfo, config('expose.admin.maximum_connection_length'));
$connection->send(json_encode([
'event' => 'authenticated',
'data' => [
'message' => config('expose.admin.messages.message_of_the_day'),
'subdomain' => $connectionInfo->subdomain,
'client_id' => $connectionInfo->client_id,
],
]));
}
protected function handleTcpConnection(ConnectionInterface $connection, $data)
{
$connectionInfo = $this->connectionManager->storeTcpConnection($data->port, $connection);
$connection->send(json_encode([
'event' => 'authenticated',
'data' => [
'message' => config('expose.admin.messages.message_of_the_day'),
'port' => $connectionInfo->port,
'shared_port' => $connectionInfo->shared_port,
'client_id' => $connectionInfo->client_id,
],
]));
}
protected function registerProxy(ConnectionInterface $connection, $data)
{
$connection->request_id = $data->request_id;
@@ -116,6 +144,18 @@ class ControlMessageController implements MessageComponentInterface
]);
}
protected function registerTcpProxy(ConnectionInterface $connection, $data)
{
$connection->tcp_client_id = $data->client_id;
$connection->tcp_request_id = $data->tcp_request_id;
$connectionInfo = $this->connectionManager->findControlConnectionForClientId($data->client_id);
$connectionInfo->emit('tcp_proxy_ready_'.$data->tcp_request_id, [
$connection,
]);
}
/**
* {@inheritdoc}
*/