tarinai/achievement_api.php
2026-07-16 22:12:03 +09:00

502 lines
21 KiB
PHP

<?php
declare(strict_types=1);
header('Content-Type: application/json; charset=utf-8');
header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
header('X-Content-Type-Options: nosniff');
const ACHIEVEMENT_IDS = [
'first_birth',
'natural_zunchi_slave',
'natural_tarinai_king',
'self_zunchi_death',
'natural_zunchi_slave_5_generations',
'natural_tarinai_king_3_generations',
'death_50_in_10_seconds',
'birth_50_in_60_seconds',
'great_mother_1000_births',
'lifespan_completed',
'soccer_ball_death',
'fight_pair_danger_kill',
'all_non_sleep_diseased_25',
'colony_happy',
'direct_feed_33',
'ignite_during_birth_ritual',
'laxative_starvation',
'idle_observer_5_minutes',
'placed_objects_100',
'mechanized_industry',
'safe_colony_25_5_minutes',
'ants_alive_25',
'ants_killed_100',
'secret_collection_9_slots',
'pause_spam_4_in_1_second',
'continuous_play_1_hour',
'below_absolute_zero_item',
'undo_mass_revival',
'robot_cleaner_100',
'held_30_seconds',
'minimalist_happy',
'overprotective',
'self_sufficient',
'unplanned_city_30',
'sauna_cold_plunge',
'rain_shelter_all',
'medicine_ledger_all',
'mercury_lifespan',
'enemy_enemy_friend',
'revolution',
'fuel_to_fire',
'undo_20',
'redo_20',
'eternal_history_generation_10',
'king_full_satisfaction',
'slave_zero_satisfaction',
'town_doctor_50',
'poke_plushie_fling',
'chaos_seeker_666_fights',
'clean_freak_robot_only',
'true_tarinai_observer',
'sniper_333_shots',
'megalopolis',
'fertility_seeker_721_love_births',
'low_fps_single_digit',
'continuous_play_24_hours',
'sandbox_five_toilets',
'park_ground_changed',
'ground_change_4_in_1_second',
'ant_nest_without_tarinai',
'sticky_bomb_15_passes',
'daily_play_7_days',
'wire_shock_7_tarinai',
'information_industry',
];
const DATA_DIR_NAME = '.achievement_data';
const DATA_FILE_NAME = 'state.json';
const LOCK_FILE_NAME = 'state.lock';
const STATE_SCHEMA_VERSION = 3;
const MAX_REQUEST_BYTES = 131072;
function respond(array $payload, int $status = 200): never {
http_response_code($status);
echo json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_INVALID_UTF8_SUBSTITUTE);
exit;
}
function valid_player_id(string $value): bool {
return preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i', $value) === 1;
}
function empty_state(): array {
return ['players' => [], 'unlocks' => []];
}
function compact_player_id(string $value): string {
$hex = str_replace('-', '', strtolower($value));
if (strlen($hex) !== 32 || !ctype_xdigit($hex)) return '';
$binary = hex2bin($hex);
if ($binary === false) return '';
return rtrim(strtr(base64_encode($binary), '+/', '-_'), '=');
}
function expand_player_id(string $value): string {
if (strlen($value) !== 22 || preg_match('/^[A-Za-z0-9_-]{22}$/', $value) !== 1) return '';
$binary = base64_decode(strtr($value, '-_', '+/') . '==', true);
if ($binary === false || strlen($binary) !== 16) return '';
$hex = bin2hex($binary);
return substr($hex, 0, 8) . '-' . substr($hex, 8, 4) . '-' . substr($hex, 12, 4) . '-' . substr($hex, 16, 4) . '-' . substr($hex, 20, 12);
}
function detect_state_format(mixed $value): string {
if (!is_array($value)) return 'invalid';
if ($value === []) return 'empty';
if (array_is_list($value)) {
return (($value[0] ?? null) === STATE_SCHEMA_VERSION
&& isset($value[1], $value[2], $value[3], $value[4])
&& is_array($value[2]) && is_array($value[3]) && is_array($value[4]))
? 'v3' : 'invalid';
}
if (($value['v'] ?? null) === 2 && isset($value['p'], $value['u']) && is_array($value['p']) && is_array($value['u'])) {
return 'v2';
}
if (array_key_exists('players', $value) || array_key_exists('unlocks', $value)) return 'verbose';
return 'invalid';
}
function normalize_state(mixed $value): array {
if (!is_array($value)) return empty_state();
$players = [];
$unlocks = [];
// v3 positional form: [version, baseTime, versions, players, unlocks].
if (($value[0] ?? null) === STATE_SCHEMA_VERSION && isset($value[1], $value[2], $value[3], $value[4])
&& is_array($value[2]) && is_array($value[3]) && is_array($value[4])) {
$baseTime = max(1, (int)$value[1]);
$versions = array_map(static fn($entry): string => substr((string)$entry, 0, 32), $value[2]);
$playerIds = [];
foreach ($value[3] as $row) {
if (!is_array($row) || !isset($row[0]) || !is_string($row[0])) continue;
$id = expand_player_id($row[0]);
if (!valid_player_id($id)) continue;
$firstSeen = $baseTime + max(0, (int)($row[1] ?? 0));
$lastSeen = $firstSeen + max(0, (int)($row[2] ?? 0));
$versionIndex = max(0, (int)($row[3] ?? 0));
$playerIds[] = $id;
$players[$id] = [
'firstSeen' => max(1, $firstSeen),
'lastSeen' => max(1, $lastSeen),
'gameVersion' => $versions[$versionIndex] ?? '',
];
}
foreach ($value[4] as $row) {
if (!is_array($row) || count($row) < 3) continue;
$achievementIndex = (int)$row[0];
$achievementId = ACHIEVEMENT_IDS[$achievementIndex] ?? '';
if ($achievementId === '') continue;
$records = [];
$count = count($row);
for ($i = 1; $i + 1 < $count; $i += 2) {
$playerIndex = (int)$row[$i];
if (!isset($playerIds[$playerIndex])) continue;
$records[$playerIds[$playerIndex]] = $baseTime + max(0, (int)$row[$i + 1]);
}
if ($records) $unlocks[$achievementId] = $records;
}
// v2 is an on-read migration source and is always rewritten as v3.
} elseif (($value['v'] ?? null) === 2 && isset($value['p'], $value['u']) && is_array($value['p']) && is_array($value['u'])) {
$playerIds = [];
foreach ($value['p'] as $row) {
if (!is_array($row) || !isset($row[0]) || !is_string($row[0]) || !valid_player_id($row[0])) continue;
$id = strtolower($row[0]);
$playerIds[] = $id;
$players[$id] = [
'firstSeen' => max(1, (int)($row[1] ?? 1)),
'lastSeen' => max(1, (int)($row[2] ?? ($row[1] ?? 1))),
'gameVersion' => substr((string)($row[3] ?? ''), 0, 32),
];
}
foreach ($value['u'] as $achievementId => $flat) {
if (!is_string($achievementId) || (!in_array($achievementId, ACHIEVEMENT_IDS, true) && !in_array($achievementId, ['signal_automation_first', 'link_craftsman'], true)) || !is_array($flat)) continue;
$records = [];
$count = count($flat);
for ($i = 0; $i + 1 < $count; $i += 2) {
$playerIndex = (int)$flat[$i];
if (!isset($playerIds[$playerIndex])) continue;
$records[$playerIds[$playerIndex]] = max(1, (int)$flat[$i + 1]);
}
if ($records) $unlocks[$achievementId] = $records;
}
} else {
$rawPlayers = isset($value['players']) && is_array($value['players']) ? $value['players'] : [];
foreach ($rawPlayers as $id => $player) {
if (!is_string($id) || !valid_player_id($id) || !is_array($player)) continue;
$players[strtolower($id)] = [
'firstSeen' => max(1, (int)($player['firstSeen'] ?? 1)),
'lastSeen' => max(1, (int)($player['lastSeen'] ?? ($player['firstSeen'] ?? 1))),
'gameVersion' => substr((string)($player['gameVersion'] ?? ''), 0, 32),
];
}
$rawUnlocks = isset($value['unlocks']) && is_array($value['unlocks']) ? $value['unlocks'] : [];
foreach ($rawUnlocks as $achievementId => $records) {
if (!is_string($achievementId) || (!in_array($achievementId, ACHIEVEMENT_IDS, true) && !in_array($achievementId, ['signal_automation_first', 'link_craftsman'], true)) || !is_array($records)) continue;
foreach ($records as $id => $timestamp) {
$normalizedId = strtolower((string)$id);
if (!isset($players[$normalizedId])) continue;
$unlocks[$achievementId][$normalizedId] = max(1, (int)$timestamp);
}
}
}
$legacySignal = isset($unlocks['signal_automation_first']) && is_array($unlocks['signal_automation_first'])
? $unlocks['signal_automation_first'] : [];
$legacyLinks = isset($unlocks['link_craftsman']) && is_array($unlocks['link_craftsman'])
? $unlocks['link_craftsman'] : [];
if ($legacySignal && $legacyLinks) {
if (!isset($unlocks['mechanized_industry']) || !is_array($unlocks['mechanized_industry'])) {
$unlocks['mechanized_industry'] = [];
}
foreach ($legacySignal as $playerId => $signalTime) {
if (!isset($legacyLinks[$playerId])) continue;
$unlocks['mechanized_industry'][$playerId] = max((int)$signalTime, (int)$legacyLinks[$playerId]);
}
}
unset($unlocks['signal_automation_first'], $unlocks['link_craftsman']);
return ['players' => $players, 'unlocks' => $unlocks];
}
function compact_state(array $state): array {
$playerIds = array_keys($state['players']);
sort($playerIds, SORT_STRING);
$playerIndex = [];
$timestamps = [];
$versionCounts = [];
foreach ($playerIds as $id) {
$player = is_array($state['players'][$id] ?? null) ? $state['players'][$id] : [];
$timestamps[] = max(1, (int)($player['firstSeen'] ?? 1));
$timestamps[] = max(1, (int)($player['lastSeen'] ?? ($player['firstSeen'] ?? 1)));
$version = substr((string)($player['gameVersion'] ?? ''), 0, 32);
$versionCounts[$version] = ($versionCounts[$version] ?? 0) + 1;
}
foreach ($state['unlocks'] as $achievementId => $records) {
if (!is_string($achievementId) || !in_array($achievementId, ACHIEVEMENT_IDS, true) || !is_array($records)) continue;
foreach ($records as $timestamp) $timestamps[] = max(1, (int)$timestamp);
}
$baseTime = $timestamps ? min($timestamps) : 1;
uksort($versionCounts, static function (string $a, string $b) use ($versionCounts): int {
$countOrder = ($versionCounts[$b] ?? 0) <=> ($versionCounts[$a] ?? 0);
return $countOrder !== 0 ? $countOrder : strcmp($a, $b);
});
$versions = array_keys($versionCounts);
if (!$versions) $versions = [''];
$versionIndex = array_flip($versions);
$players = [];
foreach ($playerIds as $index => $id) {
$playerIndex[$id] = $index;
$player = is_array($state['players'][$id] ?? null) ? $state['players'][$id] : [];
$firstSeen = max(1, (int)($player['firstSeen'] ?? 1));
$lastSeen = max($firstSeen, (int)($player['lastSeen'] ?? $firstSeen));
$version = substr((string)($player['gameVersion'] ?? ''), 0, 32);
$row = [compact_player_id($id), $firstSeen - $baseTime, $lastSeen - $firstSeen];
$indexValue = (int)($versionIndex[$version] ?? 0);
if ($indexValue !== 0) $row[] = $indexValue;
$players[] = $row;
}
$unlocks = [];
foreach (ACHIEVEMENT_IDS as $achievementIndex => $achievementId) {
$records = $state['unlocks'][$achievementId] ?? null;
if (!is_array($records) || !$records) continue;
$pairs = [];
foreach ($records as $id => $timestamp) {
if (!isset($playerIndex[$id])) continue;
$pairs[] = [$playerIndex[$id], max(1, (int)$timestamp) - $baseTime];
}
usort($pairs, static fn(array $a, array $b): int => $a[0] <=> $b[0]);
if (!$pairs) continue;
$row = [$achievementIndex];
foreach ($pairs as [$indexValue, $timestampDelta]) {
$row[] = $indexValue;
$row[] = max(0, $timestampDelta);
}
$unlocks[] = $row;
}
return [STATE_SCHEMA_VERSION, $baseTime, $versions, $players, $unlocks];
}
function encode_compact_state(array $state): string {
try {
return json_encode(compact_state($state), JSON_UNESCAPED_SLASHES | JSON_INVALID_UTF8_SUBSTITUTE | JSON_THROW_ON_ERROR);
} catch (JsonException $error) {
throw new RuntimeException('storage_encode_failed', 0, $error);
}
}
function decode_stored_state(string $contents): array {
if (trim($contents) === '') return [empty_state(), 'empty'];
try {
$decoded = json_decode($contents, true, 512, JSON_THROW_ON_ERROR);
} catch (JsonException $error) {
throw new RuntimeException('storage_corrupt', 0, $error);
}
$format = detect_state_format($decoded);
if ($format === 'invalid') throw new RuntimeException('storage_corrupt');
return [normalize_state($decoded), $format];
}
function atomic_write_state(string $dataPath, string $encoded): void {
$dataDir = dirname($dataPath);
$tempPath = tempnam($dataDir, DATA_FILE_NAME . '.tmp.');
if ($tempPath === false) throw new RuntimeException('storage_unavailable');
$handle = @fopen($tempPath, 'wb');
if ($handle === false) {
@unlink($tempPath);
throw new RuntimeException('storage_unavailable');
}
try {
$length = strlen($encoded);
$offset = 0;
while ($offset < $length) {
$written = fwrite($handle, substr($encoded, $offset));
if ($written === false || $written === 0) throw new RuntimeException('storage_write_failed');
$offset += $written;
}
if (!fflush($handle)) throw new RuntimeException('storage_write_failed');
if (function_exists('fsync') && !fsync($handle)) throw new RuntimeException('storage_write_failed');
} catch (Throwable $error) {
fclose($handle);
@unlink($tempPath);
throw $error;
}
fclose($handle);
@chmod($tempPath, 0664);
if (!@rename($tempPath, $dataPath)) {
@unlink($tempPath);
throw new RuntimeException('storage_write_failed');
}
}
function build_summary(array $state): array {
$total = count($state['players']);
$achievements = [];
foreach (ACHIEVEMENT_IDS as $id) {
$unlocked = isset($state['unlocks'][$id]) && is_array($state['unlocks'][$id])
? count($state['unlocks'][$id])
: 0;
$percentage = $total > 0 ? round(($unlocked / $total) * 100, 1) : 0.0;
$achievements[$id] = [
'unlockedPlayers' => $unlocked,
'percentage' => $percentage,
];
}
return [
'ok' => true,
'totalPlayers' => $total,
'achievements' => $achievements,
];
}
$method = strtoupper($_SERVER['REQUEST_METHOD'] ?? 'GET');
if (!in_array($method, ['GET', 'POST'], true)) respond(['ok' => false, 'error' => 'method_not_allowed'], 405);
$payload = [];
if ($method === 'POST') {
$declaredLength = max(0, (int)($_SERVER['CONTENT_LENGTH'] ?? 0));
if ($declaredLength > MAX_REQUEST_BYTES) respond(['ok' => false, 'error' => 'request_too_large'], 413);
$raw = file_get_contents('php://input', false, null, 0, MAX_REQUEST_BYTES + 1);
if (!is_string($raw) || strlen($raw) > MAX_REQUEST_BYTES) respond(['ok' => false, 'error' => 'request_too_large'], 413);
try {
$decoded = json_decode($raw, true, 64, JSON_THROW_ON_ERROR);
} catch (JsonException) {
respond(['ok' => false, 'error' => 'invalid_json'], 400);
}
if (!is_array($decoded)) respond(['ok' => false, 'error' => 'invalid_json'], 400);
$payload = $decoded;
}
$action = $method === 'POST'
? (string)($payload['action'] ?? '')
: (string)($_GET['action'] ?? 'summary');
$playerId = $method === 'POST'
? (string)($payload['playerId'] ?? '')
: (string)($_GET['playerId'] ?? '');
if (!in_array($action, ['session', 'unlock', 'sync', 'reset', 'summary'], true)) {
respond(['ok' => false, 'error' => 'invalid_action'], 400);
}
if ($method === 'GET' && $action !== 'summary') {
respond(['ok' => false, 'error' => 'method_not_allowed'], 405);
}
if (!valid_player_id($playerId)) {
respond(['ok' => false, 'error' => 'invalid_player'], 400);
}
$playerId = strtolower($playerId);
$syncUnlocks = [];
$completionistEligible = null;
if ($action === 'unlock') {
$achievementId = (string)($payload['achievementId'] ?? '');
if (!in_array($achievementId, ACHIEVEMENT_IDS, true)) {
respond(['ok' => false, 'error' => 'invalid_achievement'], 400);
}
} elseif ($action === 'sync') {
$submittedUnlocks = $payload['unlocked'] ?? null;
if (!is_array($submittedUnlocks) || count($submittedUnlocks) > count(ACHIEVEMENT_IDS)) {
respond(['ok' => false, 'error' => 'invalid_unlocks'], 400);
}
if (array_key_exists('completionistEligible', $payload)) {
if (!is_bool($payload['completionistEligible'])) {
respond(['ok' => false, 'error' => 'invalid_completionist_state'], 400);
}
$completionistEligible = $payload['completionistEligible'];
}
foreach ($submittedUnlocks as $achievementId => $timestamp) {
if (!is_string($achievementId) || !in_array($achievementId, ACHIEVEMENT_IDS, true)) {
respond(['ok' => false, 'error' => 'invalid_achievement'], 400);
}
if (!is_int($timestamp) && !is_float($timestamp) && !is_string($timestamp)) {
respond(['ok' => false, 'error' => 'invalid_timestamp'], 400);
}
$numericTimestamp = filter_var($timestamp, FILTER_VALIDATE_FLOAT);
if ($numericTimestamp === false || !is_finite((float)$numericTimestamp) || $numericTimestamp <= 0) {
respond(['ok' => false, 'error' => 'invalid_timestamp'], 400);
}
$syncUnlocks[$achievementId] = (float)$numericTimestamp;
}
if ($completionistEligible === false) unset($syncUnlocks['true_tarinai_observer']);
}
$dataDir = __DIR__ . DIRECTORY_SEPARATOR . DATA_DIR_NAME;
if (!is_dir($dataDir) && !mkdir($dataDir, 0775, true) && !is_dir($dataDir)) {
respond(['ok' => false, 'error' => 'storage_unavailable'], 503);
}
$dataPath = $dataDir . DIRECTORY_SEPARATOR . DATA_FILE_NAME;
$lockPath = $dataDir . DIRECTORY_SEPARATOR . LOCK_FILE_NAME;
$lockHandle = @fopen($lockPath, 'c');
if ($lockHandle === false || !flock($lockHandle, LOCK_EX)) {
if (is_resource($lockHandle)) fclose($lockHandle);
respond(['ok' => false, 'error' => 'storage_locked'], 503);
}
$summary = null;
$storageError = null;
try {
$contents = is_file($dataPath) ? file_get_contents($dataPath) : '';
if ($contents === false) throw new RuntimeException('storage_unavailable');
[$state, $sourceFormat] = decode_stored_state($contents);
$now = time();
$mutatesPlayer = $action !== 'summary';
if ($mutatesPlayer) {
$player = isset($state['players'][$playerId]) && is_array($state['players'][$playerId])
? $state['players'][$playerId]
: ['firstSeen' => $now];
$player['lastSeen'] = $now;
$submittedGameVersion = substr((string)($payload['gameVersion'] ?? ''), 0, 32);
if ($submittedGameVersion !== '' || !isset($player['gameVersion'])) $player['gameVersion'] = $submittedGameVersion;
$state['players'][$playerId] = $player;
}
if ($action === 'unlock') {
$achievementId = (string)$payload['achievementId'];
if (!isset($state['unlocks'][$achievementId]) || !is_array($state['unlocks'][$achievementId])) {
$state['unlocks'][$achievementId] = [];
}
if (!isset($state['unlocks'][$achievementId][$playerId])) {
$state['unlocks'][$achievementId][$playerId] = $now;
}
} elseif ($action === 'sync') {
if ($completionistEligible === false && isset($state['unlocks']['true_tarinai_observer'][$playerId])) {
unset($state['unlocks']['true_tarinai_observer'][$playerId]);
}
foreach ($syncUnlocks as $achievementId => $submittedTimestamp) {
if (!isset($state['unlocks'][$achievementId]) || !is_array($state['unlocks'][$achievementId])) {
$state['unlocks'][$achievementId] = [];
}
if (isset($state['unlocks'][$achievementId][$playerId])) continue;
$timestampSeconds = $submittedTimestamp >= 100000000000
? (int)floor($submittedTimestamp / 1000)
: (int)floor($submittedTimestamp);
$state['unlocks'][$achievementId][$playerId] = max(1, min($now, $timestampSeconds));
}
} elseif ($action === 'reset') {
foreach ($state['unlocks'] as $achievementId => $records) {
if (is_array($records)) unset($state['unlocks'][$achievementId][$playerId]);
}
}
$encoded = encode_compact_state($state);
if (trim($contents) !== $encoded || $sourceFormat !== 'v3' || $mutatesPlayer) {
atomic_write_state($dataPath, $encoded);
}
$summary = build_summary($state);
} catch (RuntimeException $error) {
$known = ['storage_corrupt', 'storage_unavailable', 'storage_write_failed', 'storage_encode_failed'];
$storageError = in_array($error->getMessage(), $known, true) ? $error->getMessage() : 'storage_unavailable';
} finally {
flock($lockHandle, LOCK_UN);
fclose($lockHandle);
}
if ($storageError !== null) respond(['ok' => false, 'error' => $storageError], 503);
respond(is_array($summary) ? $summary : ['ok' => false, 'error' => 'storage_unavailable'], is_array($summary) ? 200 : 503);