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| 1 | <?php declare(strict_types=1); |
| 2 | |
| 3 | /** |
| 4 | * Clansuite Server Query |
| 5 | * |
| 6 | * SPDX-FileCopyrightText: 2003-2025 Jens A. Koch |
| 7 | * SPDX-License-Identifier: MIT |
| 8 | * |
| 9 | * For the full copyright and license information, please view |
| 10 | * the LICENSE file that was distributed with this source code. |
| 11 | */ |
| 12 | |
| 13 | namespace Clansuite\ServerQuery\ServerProtocols; |
| 14 | |
| 15 | use function is_array; |
| 16 | use function pack; |
| 17 | use function strlen; |
| 18 | use function substr; |
| 19 | use function time; |
| 20 | use function unpack; |
| 21 | use Clansuite\Capture\Protocol\ProtocolInterface; |
| 22 | use Clansuite\Capture\ServerAddress; |
| 23 | use Clansuite\Capture\ServerInfo; |
| 24 | use Clansuite\ServerQuery\CSQuery; |
| 25 | use Override; |
| 26 | |
| 27 | /** |
| 28 | * Queries Satisfactory game servers. |
| 29 | * |
| 30 | * Retrieves server information for the game Satisfactory, including player count, |
| 31 | * server settings, and game state by communicating with the game's query protocol. |
| 32 | * Enables monitoring of Satisfactory multiplayer servers. |
| 33 | */ |
| 34 | class Satisfactory extends CSQuery implements ProtocolInterface |
| 35 | { |
| 36 | /** |
| 37 | * Protocol name. |
| 38 | */ |
| 39 | public string $name = 'Satisfactory'; |
| 40 | |
| 41 | /** |
| 42 | * List of supported games. |
| 43 | * |
| 44 | * @var array<string> |
| 45 | */ |
| 46 | public array $supportedGames = ['Satisfactory']; |
| 47 | |
| 48 | /** |
| 49 | * Protocol identifier. |
| 50 | */ |
| 51 | public string $protocol = 'Satisfactory'; |
| 52 | |
| 53 | /** |
| 54 | * Game series. |
| 55 | * |
| 56 | * @var array<string> |
| 57 | */ |
| 58 | public array $game_series_list = ['Satisfactory']; |
| 59 | |
| 60 | /** |
| 61 | * Default query port. |
| 62 | */ |
| 63 | protected int $port_diff = 0; // Query port is 15777, game port 7777 |
| 64 | |
| 65 | /** |
| 66 | * Constructor. |
| 67 | * |
| 68 | * Initializes the Satisfactory query instance. |
| 69 | * |
| 70 | * @param null|string $address The server address to query |
| 71 | * @param null|int $queryport The query port for the Satisfactory server (default 15777) |
| 72 | */ |
| 73 | public function __construct(?string $address = null, ?int $queryport = null) |
| 74 | { |
| 75 | parent::__construct(); |
| 76 | $this->address = $address; |
| 77 | $this->queryport = $queryport ?? 15777; // Default query port |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Queries the Satisfactory server and populates server information. |
| 82 | * |
| 83 | * Sends a query request and processes the response to extract server details, |
| 84 | * player information, and game settings. |
| 85 | * |
| 86 | * @param bool $getPlayers Whether to retrieve player information |
| 87 | * @param bool $getRules Whether to retrieve server rules/settings |
| 88 | * |
| 89 | * @return bool True on successful query, false on failure |
| 90 | */ |
| 91 | #[Override] |
| 92 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 93 | { |
| 94 | if ($this->online) { |
| 95 | $this->reset(); |
| 96 | } |
| 97 | |
| 98 | // Create Poll Server State message |
| 99 | // ProtocolMagic: 0xF6D5 (little endian) |
| 100 | // MessageType: 0 (Poll Server State) |
| 101 | // ProtocolVersion: 1 |
| 102 | // Payload: uint64 LE Cookie (use current time or random) |
| 103 | // Terminator: 0x1 |
| 104 | |
| 105 | $cookie = time(); // Use current timestamp as cookie |
| 106 | $payload = pack('VV', $cookie & 0xFFFFFFFF, ($cookie >> 32) & 0xFFFFFFFF); |
| 107 | |
| 108 | $message = pack('v', 0xF6D5) . // ProtocolMagic LE |
| 109 | pack('C', 0) . // MessageType |
| 110 | pack('C', 1) . // ProtocolVersion |
| 111 | $payload . // Cookie |
| 112 | pack('C', 0x1); // Terminator |
| 113 | |
| 114 | $address = (string) $this->address; |
| 115 | $port = (int) $this->queryport; |
| 116 | |
| 117 | if (($result = $this->sendCommand($address, $port, $message)) === '' || ($result = $this->sendCommand($address, $port, $message)) === '0' || ($result = $this->sendCommand($address, $port, $message)) === false) { |
| 118 | $this->errstr = 'No reply received'; |
| 119 | |
| 120 | return false; |
| 121 | } |
| 122 | |
| 123 | // Parse the response |
| 124 | if (!$this->parseResponse($result)) { |
| 125 | return false; |
| 126 | } |
| 127 | |
| 128 | $this->online = true; |
| 129 | |
| 130 | return true; |
| 131 | } |
| 132 | |
| 133 | // ProtocolInterface methods |
| 134 | /** |
| 135 | * query method. |
| 136 | * |
| 137 | * Performs a query on the specified Satisfactory server address. |
| 138 | * |
| 139 | * Updates internal state with server information and returns a ServerInfo object |
| 140 | * containing the query results. |
| 141 | * |
| 142 | * @param ServerAddress $addr The server address and port to query |
| 143 | * |
| 144 | * @return ServerInfo Server information including status, players, and settings |
| 145 | */ |
| 146 | #[Override] |
| 147 | public function query(ServerAddress $addr): ServerInfo |
| 148 | { |
| 149 | $this->address = $addr->ip; |
| 150 | $this->queryport = $addr->port; |
| 151 | $this->query_server(); |
| 152 | |
| 153 | return new ServerInfo( |
| 154 | address: $this->address, |
| 155 | queryport: $this->queryport, |
| 156 | online: $this->online, |
| 157 | gamename: $this->gamename, |
| 158 | gameversion: $this->gameversion, |
| 159 | servertitle: $this->servertitle, |
| 160 | mapname: $this->mapname, |
| 161 | gametype: $this->gametype, |
| 162 | numplayers: $this->numplayers, |
| 163 | maxplayers: $this->maxplayers, |
| 164 | rules: $this->rules, |
| 165 | players: $this->players, |
| 166 | errstr: $this->errstr, |
| 167 | ); |
| 168 | } |
| 169 | |
| 170 | /** |
| 171 | * Returns the protocol name for Satisfactory. |
| 172 | * |
| 173 | * @return string The protocol identifier 'Satisfactory' |
| 174 | */ |
| 175 | #[Override] |
| 176 | public function getProtocolName(): string |
| 177 | { |
| 178 | return $this->protocol; |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Extracts the Satisfactory server version from server information. |
| 183 | * |
| 184 | * @param ServerInfo $info The server information object |
| 185 | * |
| 186 | * @return string The server version string, or 'unknown' if not available |
| 187 | */ |
| 188 | #[Override] |
| 189 | public function getVersion(ServerInfo $info): string |
| 190 | { |
| 191 | return $info->gameversion ?? 'unknown'; |
| 192 | } |
| 193 | |
| 194 | /** |
| 195 | * Parses the raw response data from the Satisfactory server. |
| 196 | * |
| 197 | * Extracts server information, player data, and settings from the binary response. |
| 198 | * |
| 199 | * @param string $data The raw binary data received from the server |
| 200 | * |
| 201 | * @return bool True if parsing was successful, false otherwise |
| 202 | */ |
| 203 | protected function parseResponse(string $data): bool |
| 204 | { |
| 205 | if (strlen($data) < 5) { |
| 206 | $this->errstr = 'Response too short'; |
| 207 | |
| 208 | return false; |
| 209 | } |
| 210 | |
| 211 | // Check ProtocolMagic |
| 212 | $tmp = @unpack('v', substr($data, 0, 2)); |
| 213 | |
| 214 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 215 | $this->errstr = 'Invalid response unpack'; |
| 216 | |
| 217 | return false; |
| 218 | } |
| 219 | $magic = $tmp[1]; |
| 220 | |
| 221 | if ($magic !== 0xF6D5) { |
| 222 | $this->errstr = 'Invalid protocol magic'; |
| 223 | |
| 224 | return false; |
| 225 | } |
| 226 | |
| 227 | $tmp = @unpack('C', substr($data, 2, 1)); |
| 228 | |
| 229 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 230 | $this->errstr = 'Invalid response unpack'; |
| 231 | |
| 232 | return false; |
| 233 | } |
| 234 | $messageType = $tmp[1]; |
| 235 | |
| 236 | if ($messageType !== 1) { // Server State Response |
| 237 | $this->errstr = 'Unexpected message type'; |
| 238 | |
| 239 | return false; |
| 240 | } |
| 241 | |
| 242 | $tmp = @unpack('C', substr($data, 3, 1)); |
| 243 | |
| 244 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 245 | $this->errstr = 'Invalid response unpack'; |
| 246 | |
| 247 | return false; |
| 248 | } |
| 249 | $protocolVersion = $tmp[1]; |
| 250 | |
| 251 | if ($protocolVersion !== 1) { |
| 252 | $this->errstr = 'Unsupported protocol version'; |
| 253 | |
| 254 | return false; |
| 255 | } |
| 256 | |
| 257 | $offset = 4; |
| 258 | $offset += 8; |
| 259 | |
| 260 | // ServerState (uint8) |
| 261 | $tmp = @unpack('C', substr($data, $offset, 1)); |
| 262 | |
| 263 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 264 | $this->errstr = 'Invalid response unpack'; |
| 265 | |
| 266 | return false; |
| 267 | } |
| 268 | $serverState = $tmp[1]; |
| 269 | $offset++; |
| 270 | |
| 271 | // ServerNetCL (uint32 LE) |
| 272 | $tmp = @unpack('V', substr($data, $offset, 4)); |
| 273 | |
| 274 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 275 | $this->errstr = 'Invalid response unpack'; |
| 276 | |
| 277 | return false; |
| 278 | } |
| 279 | $serverNetCL = $tmp[1]; |
| 280 | $offset += 4; |
| 281 | $offset += 8; |
| 282 | |
| 283 | // NumSubStates (uint8) |
| 284 | $tmp = @unpack('C', substr($data, $offset, 1)); |
| 285 | |
| 286 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 287 | $this->errstr = 'Invalid response unpack'; |
| 288 | |
| 289 | return false; |
| 290 | } |
| 291 | $numSubStates = $tmp[1]; |
| 292 | $offset++; |
| 293 | |
| 294 | // SubStates (array of ServerSubState) |
| 295 | for ($i = 0; $i < $numSubStates; $i++) { |
| 296 | // SubStateId (uint8) |
| 297 | $tmp = @unpack('C', substr($data, $offset, 1)); |
| 298 | |
| 299 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 300 | $this->errstr = 'Invalid response unpack (substate id)'; |
| 301 | |
| 302 | return false; |
| 303 | } |
| 304 | $subStateId = $tmp[1]; |
| 305 | $offset++; |
| 306 | |
| 307 | // SubStateVersion (uint16 LE) |
| 308 | $tmp = @unpack('v', substr($data, $offset, 2)); |
| 309 | |
| 310 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 311 | $this->errstr = 'Invalid response unpack (substate version)'; |
| 312 | |
| 313 | return false; |
| 314 | } |
| 315 | $subStateVersion = $tmp[1]; |
| 316 | $offset += 2; |
| 317 | } |
| 318 | |
| 319 | // ServerNameLength (uint16 LE) |
| 320 | $tmp = @unpack('v', substr($data, $offset, 2)); |
| 321 | |
| 322 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 323 | $this->errstr = 'Invalid response unpack'; |
| 324 | |
| 325 | return false; |
| 326 | } |
| 327 | $serverNameLength = $tmp[1]; |
| 328 | $offset += 2; |
| 329 | |
| 330 | // ServerName (UTF-8) |
| 331 | $serverName = substr($data, $offset, $serverNameLength); |
| 332 | $offset += $serverNameLength; |
| 333 | |
| 334 | // Terminator |
| 335 | if ($offset < strlen($data)) { |
| 336 | $tmp = @unpack('C', substr($data, $offset, 1)); |
| 337 | |
| 338 | if (!is_array($tmp) || !isset($tmp[1])) { |
| 339 | $this->errstr = 'Invalid response unpack (terminator)'; |
| 340 | |
| 341 | return false; |
| 342 | } |
| 343 | $terminator = $tmp[1]; |
| 344 | |
| 345 | if ($terminator !== 0x1) { |
| 346 | $this->errstr = 'Invalid terminator'; |
| 347 | |
| 348 | return false; |
| 349 | } |
| 350 | } |
| 351 | |
| 352 | // Now set the properties |
| 353 | $this->servertitle = $serverName; |
| 354 | $this->gamename = 'Satisfactory'; |
| 355 | $this->gameversion = (string) $serverNetCL; // Use changelist as version |
| 356 | |
| 357 | // Map server state to online status |
| 358 | // 0: Offline, 1: Idle, 2: Loading, 3: Playing |
| 359 | if ($serverState === 3 || $serverState === 1) { |
| 360 | $this->online = true; |
| 361 | } else { |
| 362 | $this->online = false; |
| 363 | } |
| 364 | |
| 365 | // For now, set some defaults since the lightweight API doesn't provide player count etc. |
| 366 | $this->numplayers = 0; // Not provided in lightweight API |
| 367 | $this->maxplayers = 0; // Not provided |
| 368 | $this->mapname = ''; // Not provided |
| 369 | $this->gametype = ''; // Not provided |
| 370 | $this->password = -1; // Unknown |
| 371 | |
| 372 | return true; |
| 373 | } |
| 374 | } |