mirror of
https://github.com/pmmp/PocketMine-MP.git
synced 2025-05-22 05:24:39 +00:00
93 lines
2.4 KiB
PHP
93 lines
2.4 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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class RakNetParser{
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private $buffer;
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private $offset;
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private $packet;
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public function __construct($buffer){
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$this->buffer = $buffer;
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$this->offset = 0;
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if(strlen($this->buffer) > 0){
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$this->parse(ord($this->get(1)));
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}else{
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$this->packet = false;
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}
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}
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private function get($len){
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if($len === true){
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return substr($this->buffer, $this->offset);
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}
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$this->offset += $len;
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return substr($this->buffer, $this->offset - $len, $len);
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}
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private function getLong($unsigned = false){
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return Utils::readLong($this->get(8), $unsigned);
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}
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private function getShort($unsigned = false){
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return Utils::readShort($this->get(2), $unsigned);
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}
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private function getByte(){
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return ord($this->get(1));
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}
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private function feof(){
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return !isset($this->buffer{$this->offset});
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}
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private function parse($packetID){
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$this->packet = new RakNetPacket($packetID);
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$this->packet->length = strlen($this->buffer);
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switch($packetID){
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case RAKNET_UNCONNECTED_PING:
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$this->packet->pingID = $this->getLong();
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$this->offset += 16; //Magic
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break;
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case RAKNET_UNCONNECTED_PING_OPEN_CONNECTIONS:
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$this->packet->pingID = $this->getLong();
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$this->offset += 16; //Magic
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break;
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case RAKNET_OPEN_CONNECTION_REQUEST_1:
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$this->offset += 16; //Magic
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$this->packet->structure = $this->getByte();
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$this->packet->MTU = strlen($this->get(true));
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break;
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case RAKNET_OPEN_CONNECTION_REQUEST_2:
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$this->offset += 16; //Magic
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$this->packet->securoty = $this->get(5);
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$this->packet->port = $this->getShort(false);
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$this->packet->MTU = $this->getShort(false);
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$this->packet->clientGUID = $this->getLong();
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break;
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default:
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$this->packet = false;
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break;
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}
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}
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} |