protected function getVarInt()
{
return Binary::readVarInt($this->buffer, $this->offset);
}
public function process()
{
$length = Binary::readVarIntSession($this);
if ($length === false or $this->status === -1) {
$this->close("Connection closed");
return;
} elseif ($length <= 0 or $length > 131070) {
$this->close("Invalid length");
return;
}
$offset = 0;
$buffer = $this->read($length);
if ($this->threshold !== null) {
$dataLength = Binary::readVarInt($buffer, $offset);
if ($dataLength !== 0) {
if ($dataLength < $this->threshold) {
$this->close("Invalid compression threshold");
} else {
$buffer = zlib_decode(substr($buffer, $offset));
$offset = 0;
}
} else {
$buffer = substr($buffer, $offset);
$offset = 0;
}
}
if ($this->status === 2) {
//Login
$this->manager->sendPacket($this->identifier, $buffer);
} elseif ($this->status === 1) {
$pid = Binary::readVarInt($buffer, $offset);
if ($pid === 0x0) {
$sample = [];
foreach ($this->manager->sample as $id => $name) {
$sample[] = ["name" => $name, "id" => $id];
}
$data = ["version" => ["name" => Info::VERSION, "protocol" => Info::PROTOCOL], "players" => ["max" => $this->manager->getServerData()["MaxPlayers"], "online" => $this->manager->getServerData()["OnlinePlayers"], "sample" => $sample], "description" => json_decode(TextFormat::toJSON($this->manager->description))];
if ($this->manager->favicon !== null) {
$data["favicon"] = $this->manager->favicon;
}
$data = json_encode($data, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
$data = Binary::writeVarInt(0x0) . Binary::writeVarInt(strlen($data)) . $data;
$this->writeRaw($data);
} elseif ($pid === 0x1) {
$packet = new PingPacket();
$packet->read($buffer, $offset);
$this->writePacket($packet);
$this->status = -1;
}
} elseif ($this->status === 0) {
$pid = Binary::readVarInt($buffer, $offset);
if ($pid === 0x0) {
$protocol = Binary::readVarInt($buffer, $offset);
$len = Binary::readVarInt($buffer, $offset);
$hostname = substr($buffer, $offset, $len);
$offset += $len;
$serverPort = Binary::readShort(substr($buffer, $offset, 2));
$offset += 2;
$nextState = Binary::readVarInt($buffer, $offset);
if ($nextState === 1) {
$this->status = 1;
} elseif ($nextState === 2) {
$this->status = -1;
if ($protocol < Info::PROTOCOL) {
$packet = new LoginDisconnectPacket();
$packet->reson = TextFormat::toJSON(TextFormat::BOLD . "Outdated client!" . TextFormat::RESET . "\n\nPlease use " . Info::VERSION);
$this->writePacket($packet);
} elseif ($protocol > Info::PROTOCOL) {
$packet = new LoginDisconnectPacket();
$packet->reson = TextFormat::toJSON(TextFormat::BOLD . "Outdated server!" . TextFormat::RESET . "\n\nI'm using " . Info::VERSION);
$this->writePacket($packet);
} else {
$this->manager->openSession($this);
$this->status = 2;
}
} else {
$this->close();
}
} else {
$this->close("Unexpected packet {$pid}");
}
}
}
