93 lines
3.3 KiB
PHP
93 lines
3.3 KiB
PHP
<?php
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namespace Pterodactyl\Http\Controllers\Api\Client\Servers;
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use Carbon\CarbonImmutable;
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use Pterodactyl\Models\Server;
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use Illuminate\Http\JsonResponse;
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use Pterodactyl\Models\Permission;
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use Pterodactyl\Services\Nodes\NodeJWTService;
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use Pterodactyl\Exceptions\Http\HttpForbiddenException;
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use Pterodactyl\Http\Requests\Api\Client\ClientApiRequest;
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use Pterodactyl\Services\Servers\GetUserPermissionsService;
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use Pterodactyl\Http\Controllers\Api\Client\ClientApiController;
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class WebsocketController extends ClientApiController
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{
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/**
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* @var \Pterodactyl\Services\Nodes\NodeJWTService
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*/
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private $jwtService;
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/**
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* @var \Pterodactyl\Services\Servers\GetUserPermissionsService
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*/
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private $permissionsService;
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/**
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* WebsocketController constructor.
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*
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* @param \Pterodactyl\Services\Nodes\NodeJWTService $jwtService
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* @param \Pterodactyl\Services\Servers\GetUserPermissionsService $permissionsService
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*/
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public function __construct(
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NodeJWTService $jwtService,
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GetUserPermissionsService $permissionsService
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) {
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parent::__construct();
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$this->jwtService = $jwtService;
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$this->permissionsService = $permissionsService;
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}
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/**
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* Generates a one-time token that is sent along in every websocket call to the Daemon.
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* This is a signed JWT that the Daemon then uses the verify the user's identity, and
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* allows us to continually renew this token and avoid users mainitaining sessions wrongly,
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* as well as ensure that user's only perform actions they're allowed to.
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*
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* @param \Pterodactyl\Http\Requests\Api\Client\ClientApiRequest $request
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* @param \Pterodactyl\Models\Server $server
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* @return \Illuminate\Http\JsonResponse
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*/
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public function __invoke(ClientApiRequest $request, Server $server)
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{
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$user = $request->user();
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if ($user->cannot(Permission::ACTION_WEBSOCKET_CONNECT, $server)) {
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throw new HttpForbiddenException('You do not have permission to connect to this server\'s websocket.');
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}
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$permissions = $this->permissionsService->handle($server, $user);
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$node = $server->node;
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if (! is_null($server->transfer)) {
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// Check if the user has permissions to receive transfer logs.
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if (! in_array('admin.websocket.transfer', $permissions)) {
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throw new HttpForbiddenException('You do not have permission to view server transfer logs.');
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}
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// Redirect the websocket request to the new node if the server has been archived.
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if ($server->transfer->archived) {
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$node = $server->transfer->newNode;
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}
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}
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$token = $this->jwtService
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->setExpiresAt(CarbonImmutable::now()->addMinutes(10))
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->setClaims([
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'user_id' => $request->user()->id,
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'server_uuid' => $server->uuid,
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'permissions' => $permissions,
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])
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->handle($node, $user->id . $server->uuid);
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$socket = str_replace(['https://', 'http://'], ['wss://', 'ws://'], $node->getConnectionAddress());
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return new JsonResponse([
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'data' => [
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'token' => $token->toString(),
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'socket' => $socket . sprintf('/api/servers/%s/ws', $server->uuid),
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],
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]);
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}
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}
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