mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-07-28 13:45:52 +00:00
147 lines
4.6 KiB
PHP
147 lines
4.6 KiB
PHP
<?php
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/*
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*
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* ____ _ _ __ __ _ __ __ ____
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* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
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* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
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* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
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* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* @author PocketMine Team
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* @link http://www.pocketmine.net/
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*
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*
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*/
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declare(strict_types=1);
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namespace pocketmine\network\mcpe\protocol;
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#include <rules/DataPacket.h>
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use pocketmine\network\mcpe\protocol\serializer\NetworkBinaryStream;
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use pocketmine\network\mcpe\protocol\types\login\AuthenticationData;
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use pocketmine\network\mcpe\protocol\types\login\ClientData;
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use pocketmine\network\mcpe\protocol\types\login\JwtChain;
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use pocketmine\utils\BinaryDataException;
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use pocketmine\utils\BinaryStream;
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use pocketmine\utils\Utils;
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use function is_array;
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use function json_decode;
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class LoginPacket extends DataPacket implements ServerboundPacket{
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public const NETWORK_ID = ProtocolInfo::LOGIN_PACKET;
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public const EDITION_POCKET = 0;
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/** @var int */
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public $protocol;
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/** @var JwtChain */
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public $chainDataJwt;
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/** @var AuthenticationData|null extraData index of whichever JWT has it */
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public $extraData = null;
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/** @var string */
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public $clientDataJwt;
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/** @var ClientData decoded payload of the clientData JWT */
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public $clientData;
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/**
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* This field may be used by plugins to bypass keychain verification. It should only be used for plugins such as
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* Specter where passing verification would take too much time and not be worth it.
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*
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* @var bool
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*/
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public $skipVerification = false;
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public function canBeSentBeforeLogin() : bool{
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return true;
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}
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protected function decodePayload(NetworkBinaryStream $in) : void{
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$this->protocol = $in->getInt();
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$this->decodeConnectionRequest($in);
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}
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/**
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* @throws PacketDecodeException
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* @throws BinaryDataException
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*/
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protected function decodeConnectionRequest(NetworkBinaryStream $in) : void{
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$buffer = new BinaryStream($in->getString());
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$chainDataJson = json_decode($buffer->get($buffer->getLInt()));
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$mapper = new \JsonMapper;
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$mapper->bExceptionOnMissingData = true;
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$mapper->bExceptionOnUndefinedProperty = true;
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try{
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$chainData = $mapper->map($chainDataJson, new JwtChain);
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}catch(\JsonMapper_Exception $e){
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throw PacketDecodeException::wrap($e);
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}
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$this->chainDataJwt = $chainData;
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foreach($this->chainDataJwt->chain as $k => $chain){
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//validate every chain element
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try{
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$claims = Utils::getJwtClaims($chain);
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}catch(\UnexpectedValueException $e){
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throw new PacketDecodeException($e->getMessage(), 0, $e);
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}
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if(isset($claims["extraData"])){
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if(!is_array($claims["extraData"])){
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throw new PacketDecodeException("'extraData' key should be an array");
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}
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if($this->extraData !== null){
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throw new PacketDecodeException("Found 'extraData' more than once in chainData");
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}
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$mapper = new \JsonMapper;
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$mapper->bEnforceMapType = false; //TODO: we don't really need this as an array, but right now we don't have enough models
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$mapper->bExceptionOnMissingData = true;
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$mapper->bExceptionOnUndefinedProperty = true;
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try{
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$this->extraData = $mapper->map($claims['extraData'], new AuthenticationData);
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}catch(\JsonMapper_Exception $e){
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throw PacketDecodeException::wrap($e);
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}
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}
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}
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if($this->extraData === null){
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throw new PacketDecodeException("'extraData' not found in chain data");
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}
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$this->clientDataJwt = $buffer->get($buffer->getLInt());
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try{
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$clientData = Utils::getJwtClaims($this->clientDataJwt);
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}catch(\UnexpectedValueException $e){
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throw new PacketDecodeException($e->getMessage(), 0, $e);
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}
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$mapper = new \JsonMapper;
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$mapper->bEnforceMapType = false; //TODO: we don't really need this as an array, but right now we don't have enough models
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$mapper->bExceptionOnMissingData = true;
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$mapper->bExceptionOnUndefinedProperty = true;
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try{
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$this->clientData = $mapper->map($clientData, new ClientData);
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}catch(\JsonMapper_Exception $e){
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throw PacketDecodeException::wrap($e);
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}
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}
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protected function encodePayload(NetworkBinaryStream $out) : void{
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//TODO
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}
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public function handle(PacketHandlerInterface $handler) : bool{
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return $handler->handleLogin($this);
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}
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}
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