@ -7,8 +7,8 @@ declare(strict_types=1);
*
* @author Pavel Djundik
*
* @link https://xpaw.me
* @link https://github.com/xPaw/PHP-Source-Query
* @see https://xpaw.me
* @see https://github.com/xPaw/PHP-Source-Query
*
* @license GNU Lesser General Public License, version 2.1
*/
@ -29,7 +29,7 @@ use xPaw\SourceQuery\Socket\SocketType;
final class SourceQuery
{
/**
* Packets sent
* Packets sent.
*/
private const A2A_PING = 0x69;
private const A2S_INFO = 0x54;
@ -38,7 +38,7 @@ final class SourceQuery
private const A2S_SERVERQUERY_GETCHALLENGE = 0x57;
/**
* Packets received
* Packets received.
*/
private const A2A_ACK = 0x6A;
private const S2C_CHALLENGE = 0x41;
@ -49,48 +49,43 @@ final class SourceQuery
public const S2A_RCON = 0x6C;
/**
* Source rcon sent
* Source rcon sent.
*/
public const SERVERDATA_REQUESTVALUE = 0;
public const SERVERDATA_EXECCOMMAND = 2;
public const SERVERDATA_AUTH = 3;
/**
* Source rcon received
* Source rcon received.
*/
public const SERVERDATA_RESPONSE_VALUE = 0;
public const SERVERDATA_AUTH_RESPONSE = 2;
/**
* Points to rcon class
*
* @var RconInterface|null
* Points to rcon class.
*/
private ?RconInterface $rcon;
/**
* Points to socket class
* Points to socket class.
*/
private SocketInterface $socket;
/**
* True if connection is open, false if not
* True if connection is open, false if not.
*/
private bool $connected = false;
/**
* Contains challenge
* Contains challenge.
*/
private string $challenge = '';
/**
* Use old method for getting challenge number
* Use old method for getting challenge number.
*/
private bool $useOldGetChallengeMethod = false;
/**
* @param SocketInterface $socket
*/
public function __construct(SocketInterface $socket)
{
$this->socket = $socket;
@ -98,7 +93,7 @@ final class SourceQuery
}
/**
* Destructor
* Destructor.
*/
public function __destruct()
{
@ -106,7 +101,7 @@ final class SourceQuery
}
/**
* Opens connection to server
* Opens connection to server.
*
* @param string $address Server ip
* @param int $port Server port
@ -128,7 +123,7 @@ final class SourceQuery
}
/**
* Closes all open connections
* Closes all open connections.
*/
public function disconnect(): void
{
@ -145,7 +140,7 @@ final class SourceQuery
}
/**
* Forces GetChallenge to use old method for challenge retrieval because some games use outdated protocol (e.g Starbound)
* Forces GetChallenge to use old method for challenge retrieval because some games use outdated protocol (e.g Starbound).
*
* @param bool $value Set to true to force old method
*
@ -155,14 +150,14 @@ final class SourceQuery
{
$previous = $this->useOldGetChallengeMethod;
$this->useOldGetChallengeMethod = $value === tr ue;
$this->useOldGetChallengeMethod = true === $val ue;
return $previous;
}
/**
* Sends ping packet to the server
* NOTE: This may not work on some games (TF2 for example)
* NOTE: This may not work on some games (TF2 for example).
*
* @throws SocketException
*
@ -177,11 +172,11 @@ final class SourceQuery
$this->socket->write(self::A2A_PING);
$buffer = $this->socket->read();
return $buffer->getByte() === self::A2A_ACK ;
return self::A2A_ACK === $buffer->getByte();
}
/**
* Get server information
* Get server information.
*
* @throws InvalidPacketException
* @throws SocketException
@ -204,7 +199,7 @@ final class SourceQuery
$type = $buffer->getByte();
$server = [];
if ($type === self::S2C_CHALLENGE) {
if (self::S2C_CHALLENGE === $type ) {
$this->challenge = $buffer->get(4);
$this->socket->write(self::A2S_INFO, "Source Engine Query\0" . $this->challenge);
@ -213,8 +208,8 @@ final class SourceQuery
}
// Old GoldSource protocol, HLTV still uses it.
if ($type === self::S2A_INFO_OLD & & $this->socket->getType() === SocketType::GOLDSOURCE ) {
/**
if (self::S2A_INFO_OLD === $type & & SocketType::GOLDSOURCE === $this->socket->getType()) {
/*
* If we try to read data again, and we get the result with type S2A_INFO (0x49)
* That means this server is running dproto,
* Because it sends answer for both protocols
@ -230,8 +225,8 @@ final class SourceQuery
$server['Protocol'] = $buffer->getByte();
$server['Dedicated'] = chr($buffer->getByte());
$server['Os'] = chr($buffer->getByte());
$server[ 'Password' ] = $buffer->getByte() === 1 ;
$server[ 'IsMod' ] = $buffer->getByte() === 1 ;
$server['Password'] = 1 == = $buffer->getByte();
$server['IsMod'] = 1 === $buffer->getByte() ;
if ($server['IsMod']) {
$Mod = [];
@ -240,18 +235,18 @@ final class SourceQuery
$buffer->get(1); // NULL byte
$Mod['Version'] = $buffer->getLong();
$Mod['Size'] = $buffer->getLong();
$Mod[ 'ServerSide' ] = $buffer->getByte() === 1 ;
$Mod[ 'CustomDLL' ] = $buffer->getByte() === 1 ;
$Mod['ServerSide'] = 1 === $buffer->getByte();
$Mod['CustomDLL'] = 1 == = $buffer->getByte();
$server['Mod'] = $Mod;
}
$server[ 'Secure' ] = $buffer->getByte() === 1 ;
$server['Secure'] = 1 == = $buffer->getByte();
$server['Bots'] = $buffer->getByte();
return $server;
}
if ($type !== self::S2A_INFO_SRC) {
if (self::S2A_INFO_SRC !== $type ) {
throw new InvalidPacketException('GetInfo: Packet header mismatch. (0x' . dechex($type) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH);
}
@ -266,11 +261,11 @@ final class SourceQuery
$server['Bots'] = $buffer->getByte();
$server['Dedicated'] = chr($buffer->getByte());
$server['Os'] = chr($buffer->getByte());
$server[ 'Password' ] = $buffer->getByte() === 1 ;
$server[ 'Secure' ] = $buffer->getByte() === 1 ;
$server['Password'] = 1 == = $buffer->getByte();
$server['Secure'] = 1 === $buffer->getByte() ;
// The Ship (they violate query protocol spec by modifying the response)
if ($server[ 'AppID' ] === 2400 ) {
if (2400 === $server['AppID']) {
$server['GameMode'] = $buffer->getByte();
$server['WitnessCount'] = $buffer->getByte();
$server['WitnessTime'] = $buffer->getByte();
@ -328,10 +323,7 @@ final class SourceQuery
}
if (!$buffer->isEmpty()) {
throw new InvalidPacketException(
'GetInfo: unread data? ' . $buffer->remaining() . ' bytes remaining in the buffer. Please report it to the library developer.',
InvalidPacketException::BUFFER_NOT_EMPTY
);
throw new InvalidPacketException('GetInfo: unread data? ' . $buffer->remaining() . ' bytes remaining in the buffer. Please report it to the library developer.', InvalidPacketException::BUFFER_NOT_EMPTY);
}
}
@ -339,7 +331,7 @@ final class SourceQuery
}
/**
* Get players on the server
* Get players on the server.
*
* @throws InvalidPacketException
* @throws SocketException
@ -360,7 +352,7 @@ final class SourceQuery
$type = $buffer->getByte();
if ($type !== self::S2A_PLAYER) {
if (self::S2A_PLAYER !== $type ) {
throw new InvalidPacketException('GetPlayers: Packet header mismatch. (0x' . dechex($type) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH);
}
@ -382,7 +374,7 @@ final class SourceQuery
}
/**
* Get rules (cvars) from the server
* Get rules (cvars) from the server.
*
* @throws InvalidPacketException
* @throws SocketException
@ -402,7 +394,7 @@ final class SourceQuery
$type = $buffer->getByte();
if ($type !== self::S2A_RULES) {
if (self::S2A_RULES !== $type ) {
throw new InvalidPacketException('GetRules: Packet header mismatch. (0x' . dechex($type) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH);
}
@ -422,7 +414,7 @@ final class SourceQuery
}
/**
* Sets rcon password, for future use in Rcon()
* Sets rcon password, for future use in Rcon().
*
* @param string $password Rcon Password
*
@ -438,22 +430,18 @@ final class SourceQuery
switch ($this->socket->getType()) {
case SocketType::GOLDSOURCE:
{
$this->rcon = new GoldSourceRcon($this->socket);
break;
}
case SocketType::SOURCE:
{
$this->rcon = new SourceRcon($this->socket);
break;
}
default:
{
throw new SocketException('Unknown engine.', SocketException::INVALID_ENGINE);
}
}
$this->rcon->open();
$this->rcon->authorize($password);
@ -464,11 +452,11 @@ final class SourceQuery
*
* @param string $command Command to execute
*
* @return string Answer from server in string
* @throws InvalidPacketException
* @throws SocketException
*
* @throws AuthenticationException
*
* @return string Answer from server in string
*/
public function rcon(string $command): string
{
@ -476,7 +464,7 @@ final class SourceQuery
throw new SocketException('Not connected.', SocketException::NOT_CONNECTED);
}
if ($this->rcon === null ) {
if (null === $this->rcon) {
throw new SocketException('You must set a RCON password before trying to execute a RCON command.', SocketException::NOT_CONNECTED);
}
@ -484,10 +472,7 @@ final class SourceQuery
}
/**
* Get challenge (used for players/rules packets)
*
* @param int $header
* @param int $expectedResult
* Get challenge (used for players/rules packets).
*
* @throws InvalidPacketException
*/
@ -508,24 +493,18 @@ final class SourceQuery
switch ($type) {
case self::S2C_CHALLENGE:
{
$this->challenge = $buffer->get(4);
return;
}
case $expectedResult:
{
// Goldsource (HLTV).
return;
}
case 0:
{
throw new InvalidPacketException('GetChallenge: Failed to get challenge.');
}
default:
{
throw new InvalidPacketException('GetChallenge: Packet header mismatch. (0x' . dechex($type) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH);
}
}
}
}
Anthony Birkett
4 years ago