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Cleaned up LoginPacket handling, don't nuke the buffer

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This commit is contained in:
Dylan K. Taylor
2017-09-26 09:49:35 +01:00
parent 91c6086ae1
commit ccbdb77618
3 changed files with 18 additions and 6 deletions
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14
src/pocketmine/network/mcpe/protocol/LoginPacket.php
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@ -27,6 +27,7 @@ namespace pocketmine\network\mcpe\protocol;
use pocketmine\network\mcpe\NetworkSession;
use pocketmine\utils\BinaryStream;
use pocketmine\utils\Utils;
class LoginPacket extends DataPacket{
@ -63,17 +64,20 @@ class LoginPacket extends DataPacket{
return true;
}
public function mayHaveUnreadBytes() : bool{
return $this->protocol !== null and $this->protocol !== ProtocolInfo::CURRENT_PROTOCOL;
}
protected function decodePayload(){
$this->protocol = $this->getInt();
if($this->protocol !== ProtocolInfo::CURRENT_PROTOCOL){
$this->buffer = null;
return; //Do not attempt to decode for non-accepted protocols
return; //Do not attempt to continue decoding for non-accepted protocols
}
$this->setBuffer($this->getString(), 0);
$buffer = new BinaryStream($this->getString());
$this->chainData = json_decode($this->get($this->getLInt()), true);
$this->chainData = json_decode($buffer->get($buffer->getLInt()), true);
foreach($this->chainData["chain"] as $chain){
$webtoken = Utils::decodeJWT($chain);
if(isset($webtoken["extraData"])){
@ -89,7 +93,7 @@ class LoginPacket extends DataPacket{
}
}
$this->clientDataJwt = $this->get($this->getLInt());
$this->clientDataJwt = $buffer->get($buffer->getLInt());
$this->clientData = Utils::decodeJWT($this->clientDataJwt);
$this->clientId = $this->clientData["ClientRandomId"] ?? null;