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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 count; |
| 16 | use function explode; |
| 17 | use function preg_match; |
| 18 | use function preg_split; |
| 19 | use function str_starts_with; |
| 20 | use function strlen; |
| 21 | use function substr; |
| 22 | use function trim; |
| 23 | use Override; |
| 24 | |
| 25 | /** |
| 26 | * Queries Quake 4 game servers. |
| 27 | * |
| 28 | * Extends the base Quake protocol to handle Quake 4 specific server queries, |
| 29 | * retrieving information about server status, players, and game settings. |
| 30 | * Enables monitoring of Quake 4 multiplayer servers. |
| 31 | */ |
| 32 | class Quake4 extends Quake |
| 33 | { |
| 34 | /** |
| 35 | * Protocol name. |
| 36 | */ |
| 37 | public string $name = 'Quake 4'; |
| 38 | |
| 39 | /** |
| 40 | * List of supported games. |
| 41 | */ |
| 42 | public array $supportedGames = ['Quake 4']; |
| 43 | |
| 44 | /** |
| 45 | * Protocol identifier. |
| 46 | */ |
| 47 | public string $protocol = 'Quake4'; |
| 48 | |
| 49 | /** |
| 50 | * Game series. |
| 51 | */ |
| 52 | public array $game_series_list = ['Quake']; |
| 53 | |
| 54 | /** |
| 55 | * query_server method. |
| 56 | * |
| 57 | * Queries the Quake 4 server and populates server information. |
| 58 | * |
| 59 | * Sends a Quake 4 specific query command and processes the response |
| 60 | * to extract server details, player information, and game settings. |
| 61 | * |
| 62 | * @param bool $getPlayers Whether to retrieve player information |
| 63 | * @param bool $getRules Whether to retrieve server rules/settings |
| 64 | * |
| 65 | * @return bool True on successful query, false on failure |
| 66 | */ |
| 67 | #[Override] |
| 68 | public function query_server(mixed $getPlayers = true, mixed $getRules = true): bool |
| 69 | { |
| 70 | if ($this->online) { |
| 71 | $this->reset(); |
| 72 | } |
| 73 | |
| 74 | $address = (string) $this->address; |
| 75 | $port = (int) $this->queryport; |
| 76 | |
| 77 | // Doom3/Quake4 protocol uses different packet format |
| 78 | $command = "\xFF\xFFgetInfo\x00\x01\x00\x00\x00"; |
| 79 | |
| 80 | if (($result = $this->sendCommand($address, $port, $command)) === '' || ($result = $this->sendCommand($address, $port, $command)) === '0' || ($result = $this->sendCommand($address, $port, $command)) === false) { |
| 81 | $this->errstr = 'No reply received'; |
| 82 | |
| 83 | return false; |
| 84 | } |
| 85 | |
| 86 | // Parse the Doom3 packet format |
| 87 | if (strlen($result) < 16) { |
| 88 | $this->errstr = 'Invalid packet received'; |
| 89 | |
| 90 | return false; |
| 91 | } |
| 92 | |
| 93 | // Skip the packet header (16 bytes: short check, 12 bytes check2, int challengeId, int protocol, char pack) |
| 94 | $data = substr($result, 16); |
| 95 | |
| 96 | // Parse server info |
| 97 | $info = $this->parseDoom3Info($data); |
| 98 | |
| 99 | // Extract basic server information |
| 100 | $this->gamename = (string) ($info['gamename'] ?? 'quake4'); |
| 101 | $this->gameversion = $this->translateProtocolVersion((string) ($info['protocol'] ?? $info['si_version'] ?? '')); |
| 102 | $this->servertitle = (string) ($info['si_name'] ?? ''); |
| 103 | $this->mapname = (string) ($info['si_map'] ?? ''); |
| 104 | $this->gametype = (string) ($info['si_gameType'] ?? ''); |
| 105 | $this->maxplayers = (int) ($info['si_maxPlayers'] ?? 0); |
| 106 | $this->numplayers = 0; // Will be calculated from players |
| 107 | |
| 108 | // Store all rules |
| 109 | $this->rules = $info; |
| 110 | |
| 111 | // Get players if requested |
| 112 | if ($getPlayers && isset($info['si_players'])) { |
| 113 | $this->parsePlayers((string) $info['si_players']); |
| 114 | } |
| 115 | |
| 116 | $this->online = true; |
| 117 | |
| 118 | return true; |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Parse Doom3 server info string. |
| 123 | * |
| 124 | * @return array<string, mixed> |
| 125 | */ |
| 126 | protected function parseDoom3Info(string $data): array |
| 127 | { |
| 128 | $info = []; |
| 129 | |
| 130 | // Remove the "infoResponse" header if present |
| 131 | if (str_starts_with($data, 'infoResponse')) { |
| 132 | $data = substr($data, 12); // Remove "infoResponse" |
| 133 | } |
| 134 | |
| 135 | // The format is key\x00value\x00key\x00value\x00... |
| 136 | // Split on null bytes |
| 137 | $parts = explode("\x00", $data); |
| 138 | |
| 139 | // Skip empty parts at the beginning |
| 140 | $i = 0; |
| 141 | |
| 142 | while ($i < count($parts) && ($parts[$i] ?? '') === '') { |
| 143 | $i++; |
| 144 | } |
| 145 | |
| 146 | // Parse key-value pairs |
| 147 | // The format should be key\x00value\x00key\x00value\x00... |
| 148 | while ($i < count($parts) - 1) { |
| 149 | $potentialKey = $parts[$i] ?? ''; |
| 150 | $potentialValue = $parts[$i + 1] ?? ''; |
| 151 | |
| 152 | // Check if this looks like a key (contains known key patterns) |
| 153 | $isKey = false; |
| 154 | |
| 155 | if (preg_match('/^(sv_|si_|fs_|net_|gamename|protocol)/', $potentialKey) === 1) { |
| 156 | $isKey = true; |
| 157 | } |
| 158 | |
| 159 | if ($isKey && $potentialKey !== '') { |
| 160 | $info[$potentialKey] = $potentialValue; |
| 161 | $i += 2; // Skip the value |
| 162 | } else { |
| 163 | // Not a key, skip this part |
| 164 | $i++; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | return $info; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Parse player information from si_players. |
| 173 | * |
| 174 | * @param string $playersData The si_players string containing player info |
| 175 | */ |
| 176 | protected function parsePlayers(string $playersData): void |
| 177 | { |
| 178 | // si_players format: score ping name clan score ping name clan ... |
| 179 | $parts = preg_split('/\s+/', trim($playersData)); |
| 180 | $parts = $parts !== false ? $parts : []; |
| 181 | $players = []; |
| 182 | |
| 183 | for ($i = 0; $i < count($parts); $i += 4) { |
| 184 | if ($i + 3 < count($parts)) { |
| 185 | $score = (int) ($parts[$i] ?? 0); |
| 186 | $ping = (int) ($parts[$i + 1] ?? 0); |
| 187 | $name = $parts[$i + 2] ?? ''; |
| 188 | $clan = $parts[$i + 3] ?? ''; |
| 189 | |
| 190 | $players[] = [ |
| 191 | 'name' => $name, |
| 192 | 'score' => $score, |
| 193 | 'ping' => $ping, |
| 194 | 'clan' => $clan, |
| 195 | ]; |
| 196 | } |
| 197 | } |
| 198 | |
| 199 | $this->numplayers = count($players); |
| 200 | $this->playerkeys = ['name' => true, 'score' => true, 'ping' => true, 'clan' => true]; |
| 201 | $this->players = $players; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Translate protocol version to human readable format. |
| 206 | * |
| 207 | * @param string $protocol The protocol version string |
| 208 | * |
| 209 | * @return string Human readable protocol version |
| 210 | */ |
| 211 | protected function translateProtocolVersion(string $protocol): string |
| 212 | { |
| 213 | // If it's already a descriptive string, return it |
| 214 | if (str_starts_with($protocol, 'Quake4') || str_starts_with($protocol, 'Q4')) { |
| 215 | return $protocol; |
| 216 | } |
| 217 | |
| 218 | $versions = [ |
| 219 | '2.62' => 'Q4 1.0', |
| 220 | '2.63' => 'Q4 1.0 (German)', |
| 221 | '2.66' => 'Q4 Demo', |
| 222 | '2.67' => 'Q4 1.1 Beta', |
| 223 | '2.68' => 'Q4 1.1', |
| 224 | '2.69' => 'Q4 1.2', |
| 225 | '2.71' => 'Q4 1.3', |
| 226 | '2.76' => 'Q4 1.4 Beta', |
| 227 | '2.77' => 'Q4 1.4.1', |
| 228 | '2.85' => 'Q4 1.4.2', |
| 229 | '2.77 DE' => 'Q4 1.4.1 (German)', |
| 230 | '2.71 DE' => 'Q4 1.3 (German)', |
| 231 | '2.85 DE' => 'Q4 1.4.2 (German)', |
| 232 | '2.86' => 'Q4 1.4.2 Demo', |
| 233 | ]; |
| 234 | |
| 235 | return $versions[$protocol] ?? $protocol; |
| 236 | } |
| 237 | } |