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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 | /** |
| 14 | * Abstract class that implements quake related stuff. |
| 15 | * |
| 16 | * Implements everything that all quake protocols have in common |
| 17 | */ |
| 18 | |
| 19 | namespace Clansuite\ServerQuery\ServerProtocols; |
| 20 | |
| 21 | use const PREG_SPLIT_NO_EMPTY; |
| 22 | use function array_shift; |
| 23 | use function array_slice; |
| 24 | use function count; |
| 25 | use function explode; |
| 26 | use function preg_split; |
| 27 | use function trim; |
| 28 | use Clansuite\Capture\Protocol\ProtocolInterface; |
| 29 | use Clansuite\Capture\ServerAddress; |
| 30 | use Clansuite\Capture\ServerInfo; |
| 31 | use Clansuite\ServerQuery\CSQuery; |
| 32 | use Override; |
| 33 | |
| 34 | /** |
| 35 | * Provides the base query protocol implementation for Quake engine-based games. |
| 36 | * Handles common query operations, data parsing, and structures shared across Quake variants. |
| 37 | */ |
| 38 | class Quake extends CSQuery implements ProtocolInterface |
| 39 | { |
| 40 | /** |
| 41 | * Protocol name. |
| 42 | */ |
| 43 | public string $name = 'Quake'; |
| 44 | |
| 45 | /** |
| 46 | * List of supported games. |
| 47 | */ |
| 48 | public array $supportedGames = ['Quake', 'Quake 2', 'Quake 3 Arena', 'Quake 4']; |
| 49 | |
| 50 | /** |
| 51 | * Protocol identifier. |
| 52 | */ |
| 53 | public string $protocol = 'Quake'; |
| 54 | |
| 55 | /** |
| 56 | * Game series. |
| 57 | */ |
| 58 | public array $game_series_list = ['Quake']; |
| 59 | |
| 60 | /** |
| 61 | * Constructor. |
| 62 | * |
| 63 | * Initializes the Quake protocol instance with server address and query port. |
| 64 | * |
| 65 | * @param null|string $address Server IP address or hostname |
| 66 | * @param null|int $queryport Query port number |
| 67 | */ |
| 68 | public function __construct(?string $address = null, ?int $queryport = null) |
| 69 | { |
| 70 | parent::__construct(); |
| 71 | $this->address = $address; |
| 72 | $this->queryport = $queryport; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Queries the server for information, optionally including players and rules. |
| 77 | * |
| 78 | * @param bool $getPlayers Whether to retrieve the player list |
| 79 | * @param bool $getRules Whether to retrieve server rules |
| 80 | * |
| 81 | * @return bool True on successful query, false on failure |
| 82 | */ |
| 83 | #[Override] |
| 84 | public function query_server(bool $getPlayers = true, bool $getRules = true): bool |
| 85 | { |
| 86 | if ($this->online) { |
| 87 | $this->reset(); |
| 88 | } |
| 89 | |
| 90 | $address = (string) $this->address; |
| 91 | $port = (int) $this->queryport; |
| 92 | |
| 93 | // Quake1 uses simple text commands - try different ones |
| 94 | $commands = ["status\n", "info\n", "ping\n"]; |
| 95 | |
| 96 | $result = false; |
| 97 | |
| 98 | foreach ($commands as $command) { |
| 99 | if (($result = $this->sendCommand($address, $port, $command)) !== false) { |
| 100 | break; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | if ($result === '' || $result === '0' || $result === false) { |
| 105 | $this->errstr = 'No reply received'; |
| 106 | |
| 107 | return false; |
| 108 | } |
| 109 | |
| 110 | // Parse the Quake1 response |
| 111 | // Format: first line is server info, subsequent lines are players |
| 112 | $lines = explode("\n", trim($result)); |
| 113 | |
| 114 | // First line contains server info in key\value format |
| 115 | $serverInfo = $lines[0]; |
| 116 | $this->parseServerInfo($serverInfo); |
| 117 | |
| 118 | // Remaining lines are players (if any) |
| 119 | if ($getPlayers && count($lines) > 1) { |
| 120 | $this->parsePlayers(array_slice($lines, 1)); |
| 121 | } |
| 122 | |
| 123 | $this->online = true; |
| 124 | |
| 125 | return true; |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Sends a rcon command to the game server. |
| 130 | * |
| 131 | * @param string $command the command to send |
| 132 | * @param string $rcon_pwd rcon password to authenticate with |
| 133 | */ |
| 134 | public function rcon_query_server(string $command, string $rcon_pwd): false|string |
| 135 | { |
| 136 | $address = (string) $this->address; |
| 137 | $port = (int) $this->queryport; |
| 138 | |
| 139 | $command = "\xFF\xFF\xFF\xFF\x02rcon " . $rcon_pwd . ' ' . $command . "\x0a\x00"; |
| 140 | |
| 141 | if (($result = $this->sendCommand($address, $port, $command)) === '' || ($result = $this->sendCommand($address, $port, $command)) === '0' || ($result = $this->sendCommand($address, $port, $command)) === false) { |
| 142 | $this->errstr = 'Error sending rcon command'; |
| 143 | $this->debug['Command send ' . $command] = 'No reply received'; |
| 144 | |
| 145 | return false; |
| 146 | } |
| 147 | |
| 148 | return $result; |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * query method. |
| 153 | */ |
| 154 | #[Override] |
| 155 | public function query(ServerAddress $addr): ServerInfo |
| 156 | { |
| 157 | $this->address = $addr->ip; |
| 158 | $this->queryport = $addr->port; |
| 159 | $this->query_server(true, true); |
| 160 | |
| 161 | return new ServerInfo( |
| 162 | address: $this->address, |
| 163 | queryport: $this->queryport, |
| 164 | online: $this->online, |
| 165 | gamename: $this->gamename, |
| 166 | gameversion: $this->gameversion, |
| 167 | servertitle: $this->servertitle, |
| 168 | mapname: $this->mapname, |
| 169 | gametype: $this->gametype, |
| 170 | numplayers: $this->numplayers, |
| 171 | maxplayers: $this->maxplayers, |
| 172 | rules: $this->rules, |
| 173 | players: $this->players, |
| 174 | ); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * getProtocolName method. |
| 179 | */ |
| 180 | #[Override] |
| 181 | public function getProtocolName(): string |
| 182 | { |
| 183 | return $this->protocol; |
| 184 | } |
| 185 | |
| 186 | /** |
| 187 | * getVersion method. |
| 188 | */ |
| 189 | #[Override] |
| 190 | public function getVersion(ServerInfo $info): string |
| 191 | { |
| 192 | return $info->gameversion ?? 'unknown'; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Parse server info line. |
| 197 | */ |
| 198 | private function parseServerInfo(string $info): void |
| 199 | { |
| 200 | // Format: \key\value\key\value... |
| 201 | $parts = explode('\\', $info); |
| 202 | |
| 203 | // Skip empty first part if it starts with \\ (safe check) |
| 204 | if (isset($parts[0]) && $parts[0] === '') { |
| 205 | array_shift($parts); |
| 206 | } |
| 207 | |
| 208 | $rules = []; |
| 209 | |
| 210 | for ($i = 0; $i < count($parts) - 1; $i += 2) { |
| 211 | if (isset($parts[$i], $parts[$i + 1])) { |
| 212 | $key = $parts[$i]; |
| 213 | $value = $parts[$i + 1]; |
| 214 | |
| 215 | // Map common keys to properties |
| 216 | switch ($key) { |
| 217 | case 'hostname': |
| 218 | $this->servertitle = $value; |
| 219 | |
| 220 | break; |
| 221 | |
| 222 | case 'mapname': |
| 223 | $this->mapname = $value; |
| 224 | |
| 225 | break; |
| 226 | |
| 227 | case 'maxclients': |
| 228 | $this->maxplayers = (int) $value; |
| 229 | |
| 230 | break; |
| 231 | |
| 232 | case 'clients': |
| 233 | $this->numplayers = (int) $value; |
| 234 | |
| 235 | break; |
| 236 | |
| 237 | case 'protocol': |
| 238 | // Protocol version |
| 239 | break; |
| 240 | |
| 241 | case 'version': |
| 242 | $this->gameversion = $value; |
| 243 | |
| 244 | break; |
| 245 | |
| 246 | default: |
| 247 | // Store as rule |
| 248 | $rules[$key] = $value; |
| 249 | |
| 250 | break; |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | $this->rules = $rules; |
| 256 | $this->gamename = 'Quake1'; |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * Parse player lines. |
| 261 | * |
| 262 | * @param array<mixed> $playerLines |
| 263 | */ |
| 264 | private function parsePlayers(array $playerLines): void |
| 265 | { |
| 266 | $players = []; |
| 267 | |
| 268 | foreach ($playerLines as $line) { |
| 269 | $line = trim((string) $line); |
| 270 | |
| 271 | if ($line === '') { |
| 272 | continue; |
| 273 | } |
| 274 | |
| 275 | if ($line === '0') { |
| 276 | continue; |
| 277 | } |
| 278 | |
| 279 | // Quake1 player format: score ping "name" "skin" team time |
| 280 | // Example: 10 50 "PlayerName" "skin" 0 123.45 |
| 281 | $parts = preg_split('/\s+/', $line, -1, PREG_SPLIT_NO_EMPTY); |
| 282 | |
| 283 | if ($parts === false || count($parts) < 6) { |
| 284 | continue; |
| 285 | } |
| 286 | |
| 287 | $player = [ |
| 288 | 'score' => (int) $parts[0], |
| 289 | /** @phpstan-ignore offsetAccess.notFound */ |
| 290 | 'ping' => (int) $parts[1], |
| 291 | /** @phpstan-ignore offsetAccess.notFound */ |
| 292 | 'name' => trim($parts[2], '"'), |
| 293 | /** @phpstan-ignore offsetAccess.notFound */ |
| 294 | 'skin' => trim($parts[3], '"'), |
| 295 | /** @phpstan-ignore offsetAccess.notFound */ |
| 296 | 'team' => (int) $parts[4], |
| 297 | /** @phpstan-ignore offsetAccess.notFound */ |
| 298 | 'time' => (float) $parts[5], |
| 299 | ]; |
| 300 | |
| 301 | $players[] = $player; |
| 302 | } |
| 303 | |
| 304 | $this->players = $players; |
| 305 | } |
| 306 | } |