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 "Outdated client!"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}"); } } }