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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\Engine\Infrastructure\Repository; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\Audit\Application\Service\AuditDataSanitizer; |
| 12 | use App\Core\Audit\Application\Service\AuditIntegrityService; |
| 13 | use App\Core\Engine\Domain\Model\PermissionContext; |
| 14 | use App\Core\Engine\Domain\Repository\AuditRepositoryInterface; |
| 15 | use App\Core\Engine\Infrastructure\Settings\EngineSettings; |
| 16 | use PDO; |
| 17 | |
| 18 | /** |
| 19 | * SQL Audit Repository. |
| 20 | * |
| 21 | * Concrete PDO implementation of AuditRepositoryInterface with NIST SP 800-53 AU-3/AU-9 |
| 22 | * hash chaining and OWASP ASVS V7.1 sensitive data masking. |
| 23 | * |
| 24 | * @package App\Core\Engine\Infrastructure\Repository |
| 25 | */ |
| 26 | final class SqlAuditRepository implements AuditRepositoryInterface |
| 27 | { |
| 28 | private readonly AuditDataSanitizer $sanitizer; |
| 29 | private readonly AuditIntegrityService $integrityService; |
| 30 | |
| 31 | /** @var array<string> List of operational client modules using c_logs_audit_* tables. */ |
| 32 | public const array CLIENT_MODULES = [ |
| 33 | 'contacts', |
| 34 | 'companies', |
| 35 | 'partners', |
| 36 | 'opportunities', |
| 37 | 'quotes', |
| 38 | 'orders', |
| 39 | 'projects', |
| 40 | 'project_stages', |
| 41 | 'project_tasks', |
| 42 | 'tickets', |
| 43 | 'contracts', |
| 44 | 'products', |
| 45 | 'services', |
| 46 | 'sold_products', |
| 47 | 'sold_services', |
| 48 | 'emails', |
| 49 | 'mail_messages', |
| 50 | 'documents', |
| 51 | 'calendar', |
| 52 | 'work_time', |
| 53 | 'comments', |
| 54 | 'map', |
| 55 | ]; |
| 56 | |
| 57 | /** |
| 58 | * SqlAuditRepository constructor. |
| 59 | * |
| 60 | * @param PDO $pdo Database connection. |
| 61 | * @param string $prefix Database table prefix. |
| 62 | * @param AuditDataSanitizer|null $sanitizer Sanitizer for redacting secrets. |
| 63 | * @param AuditIntegrityService|null $integrityService Integrity service for cryptographic hash chaining. |
| 64 | */ |
| 65 | public function __construct( |
| 66 | private readonly PDO $pdo, |
| 67 | private readonly string $prefix = 'a_', |
| 68 | ?AuditDataSanitizer $sanitizer = null, |
| 69 | ?AuditIntegrityService $integrityService = null, |
| 70 | private readonly ?EngineSettings $settings = null, |
| 71 | ) { |
| 72 | $this->sanitizer = $sanitizer ?? new AuditDataSanitizer(); |
| 73 | $this->integrityService = $integrityService ?? new AuditIntegrityService($pdo, prefix: $prefix); |
| 74 | } |
| 75 | |
| 76 | /** @var array<string, string> In-memory cache of resolved module table prefixes. */ |
| 77 | private static array $modulePrefixCache = []; |
| 78 | |
| 79 | /** |
| 80 | * Resolves the appropriate database table prefix ('a_' or 'c_') for target module. |
| 81 | * |
| 82 | * Dynamically detects whether the module is client or admin by checking its |
| 83 | * database table_name metadata with static memory caching. |
| 84 | * |
| 85 | * @param string $moduleName Machine name of target module. |
| 86 | * @return string Resolved table prefix ('a_' or 'c_'). |
| 87 | */ |
| 88 | public function resolveTablePrefix(string $moduleName): string |
| 89 | { |
| 90 | if ($this->prefix === 'c_') { |
| 91 | return 'c_'; |
| 92 | } |
| 93 | |
| 94 | $cleanName = strtolower(trim($moduleName)); |
| 95 | if (isset(self::$modulePrefixCache[$cleanName])) { |
| 96 | return self::$modulePrefixCache[$cleanName]; |
| 97 | } |
| 98 | |
| 99 | $resolved = $this->queryModuleTablePrefix($cleanName); |
| 100 | self::$modulePrefixCache[$cleanName] = $resolved; |
| 101 | return $resolved; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Queries database metadata to detect module table prefix ('c_' or 'a_'). |
| 106 | * |
| 107 | * @param string $cleanName Lowercase module machine name. |
| 108 | * @return string Resolved prefix. |
| 109 | */ |
| 110 | private function queryModuleTablePrefix(string $cleanName): string |
| 111 | { |
| 112 | try { |
| 113 | $stmt = $this->pdo->prepare( |
| 114 | 'SELECT `table_name` FROM `a_core_module_records` WHERE `name` = :name LIMIT 1' |
| 115 | ); |
| 116 | $stmt->execute([':name' => $cleanName]); |
| 117 | $tableName = $stmt->fetchColumn(); |
| 118 | |
| 119 | if (is_string($tableName) && $tableName !== '') { |
| 120 | return str_starts_with($tableName, 'c_') ? 'c_' : 'a_'; |
| 121 | } |
| 122 | } catch (\Throwable) { |
| 123 | // Fallback when metadata table does not exist |
| 124 | } |
| 125 | |
| 126 | return in_array($cleanName, self::CLIENT_MODULES, true) ? 'c_' : 'a_'; |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Clears in-memory module prefix cache (useful for testing or cache invalidation). |
| 131 | */ |
| 132 | public static function resetPrefixCache(): void |
| 133 | { |
| 134 | self::$modulePrefixCache = []; |
| 135 | } |
| 136 | |
| 137 | /** {@inheritdoc} */ |
| 138 | public function logCreate(string $moduleName, int $recordId, array $payload, PermissionContext $context): void |
| 139 | { |
| 140 | $pfx = $this->resolveTablePrefix($moduleName); |
| 141 | $cleanPayload = $this->sanitizer->sanitize($payload); |
| 142 | $jsonPayload = (string) json_encode($cleanPayload, JSON_UNESCAPED_UNICODE); |
| 143 | $prevHash = $this->integrityService->getLatestHash('logs_audit_create_records', $pfx); |
| 144 | $recordHash = $this->integrityService->computeRecordHash( |
| 145 | $prevHash, |
| 146 | $moduleName, |
| 147 | $recordId, |
| 148 | $jsonPayload, |
| 149 | $context->getAuditActorUserId(), |
| 150 | $context->actorIp, |
| 151 | $context->requestId |
| 152 | ); |
| 153 | |
| 154 | $sql = "INSERT INTO `{$pfx}logs_audit_create_records` |
| 155 | (`module_name`, `record_id`, `payload`, `actor_id`, `ip_address`, |
| 156 | `request_id`, `prev_hash`, `record_hash`) |
| 157 | VALUES (:module_name, :record_id, :payload, :actor_id, :ip_address, |
| 158 | :request_id, :prev_hash, :record_hash)"; |
| 159 | |
| 160 | $params = $this->buildContextAuditParams($moduleName, $recordId, $context, $prevHash, $recordHash); |
| 161 | $params[':payload'] = $jsonPayload; |
| 162 | $this->execute($sql, $params); |
| 163 | } |
| 164 | |
| 165 | /** {@inheritdoc} */ |
| 166 | public function logRead(string $moduleName, ?int $recordId, ?array $filters, PermissionContext $context): void |
| 167 | { |
| 168 | if ($this->settings !== null && !$this->settings->isAuditReadEnabled()) { |
| 169 | return; |
| 170 | } |
| 171 | |
| 172 | $pfx = $this->resolveTablePrefix($moduleName); |
| 173 | $sql = "INSERT INTO `{$pfx}logs_audit_read_records` |
| 174 | (`module_name`, `record_id`, `filter_json`, `actor_id`, `ip_address`, `request_id`) |
| 175 | VALUES (:module_name, :record_id, :filter_json, :actor_id, :ip_address, :request_id)"; |
| 176 | |
| 177 | $this->execute($sql, [ |
| 178 | ':module_name' => $moduleName, |
| 179 | ':record_id' => $recordId, |
| 180 | ':filter_json' => $filters !== null ? (string) json_encode($filters, JSON_UNESCAPED_UNICODE) : null, |
| 181 | ':actor_id' => $context->getAuditActorUserId(), |
| 182 | ':ip_address' => $context->actorIp, |
| 183 | ':request_id' => $context->requestId, |
| 184 | ]); |
| 185 | } |
| 186 | |
| 187 | /** {@inheritdoc} */ |
| 188 | public function logUpdate(string $moduleName, int $recordId, array $diff, PermissionContext $context): void |
| 189 | { |
| 190 | if ($diff === []) { |
| 191 | return; |
| 192 | } |
| 193 | |
| 194 | $pfx = $this->resolveTablePrefix($moduleName); |
| 195 | $rowPlaceholders = []; |
| 196 | $params = []; |
| 197 | $i = 0; |
| 198 | |
| 199 | foreach ($diff as $fieldKey => $change) { |
| 200 | $row = $this->buildUpdateAuditRow($moduleName, $recordId, $fieldKey, $change, $context, $i); |
| 201 | if ($row === null) { |
| 202 | continue; |
| 203 | } |
| 204 | $rowPlaceholders[] = $row[0]; |
| 205 | $params = array_merge($params, $row[1]); |
| 206 | $i++; |
| 207 | } |
| 208 | |
| 209 | if ($rowPlaceholders === []) { |
| 210 | return; |
| 211 | } |
| 212 | |
| 213 | $sql = "INSERT INTO `{$pfx}logs_audit_update_records` " . |
| 214 | '(`module_name`, `record_id`, `field_key`, `old_value`, `new_value`, `actor_id`,' |
| 215 | . ' `ip_address`, `request_id`, `prev_hash`, `record_hash`) VALUES ' . |
| 216 | implode(', ', $rowPlaceholders); |
| 217 | |
| 218 | $this->execute($sql, $params); |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Builds parameter array and placeholder for a single updated field in audit log. |
| 223 | * |
| 224 | * @param array<string, mixed> $change |
| 225 | * @return array{0: string, 1: array<string, mixed>}|null |
| 226 | */ |
| 227 | private function buildUpdateAuditRow( |
| 228 | string $moduleName, |
| 229 | int $recordId, |
| 230 | string|int $fieldKey, |
| 231 | array $change, |
| 232 | PermissionContext $context, |
| 233 | int $index |
| 234 | ): ?array { |
| 235 | $rawOld = $change['old'] ?? null; |
| 236 | $rawNew = $change['new'] ?? null; |
| 237 | $rawOldStr = $rawOld !== null ? (string) $rawOld : null; |
| 238 | $rawNewStr = $rawNew !== null ? (string) $rawNew : null; |
| 239 | |
| 240 | if ($rawOldStr === $rawNewStr) { |
| 241 | return null; |
| 242 | } |
| 243 | |
| 244 | $isSensitive = $this->sanitizer->isSensitiveKey((string) $fieldKey); |
| 245 | $oldVal = $isSensitive ? AuditDataSanitizer::REDACTED_PLACEHOLDER : $rawOld; |
| 246 | $newVal = $isSensitive ? AuditDataSanitizer::REDACTED_PLACEHOLDER : $rawNew; |
| 247 | |
| 248 | $oldStr = $oldVal !== null ? (string) $oldVal : null; |
| 249 | $newStr = $newVal !== null ? (string) $newVal : null; |
| 250 | $payloadStr = $fieldKey . ':' . ($oldStr ?? '') . '->' . ($newStr ?? ''); |
| 251 | |
| 252 | $pfx = $this->resolveTablePrefix($moduleName); |
| 253 | $prevHash = $this->integrityService->getLatestHash('logs_audit_update_records', $pfx); |
| 254 | $recordHash = $this->integrityService->computeRecordHash( |
| 255 | $prevHash, |
| 256 | $moduleName, |
| 257 | $recordId, |
| 258 | $payloadStr, |
| 259 | $context->getAuditActorUserId(), |
| 260 | $context->actorIp, |
| 261 | $context->requestId |
| 262 | ); |
| 263 | |
| 264 | $mKey = ':m_' . $index; |
| 265 | $rKey = ':r_' . $index; |
| 266 | $fKey = ':f_' . $index; |
| 267 | $oKey = ':o_' . $index; |
| 268 | $nKey = ':n_' . $index; |
| 269 | $aKey = ':a_' . $index; |
| 270 | $ipKey = ':ip_' . $index; |
| 271 | $reqKey = ':rq_' . $index; |
| 272 | $pvKey = ':pv_' . $index; |
| 273 | $rhKey = ':rh_' . $index; |
| 274 | |
| 275 | $placeholder = "({$mKey}, {$rKey}, {$fKey}, {$oKey}, {$nKey}, " |
| 276 | . "{$aKey}, {$ipKey}, {$reqKey}, {$pvKey}, {$rhKey})"; |
| 277 | |
| 278 | return [$placeholder, [ |
| 279 | $mKey => $moduleName, |
| 280 | $rKey => $recordId, |
| 281 | $fKey => $fieldKey, |
| 282 | $oKey => $oldStr, |
| 283 | $nKey => $newStr, |
| 284 | $aKey => $context->getAuditActorUserId(), |
| 285 | $ipKey => $context->actorIp, |
| 286 | $reqKey => $context->requestId, |
| 287 | $pvKey => $prevHash, |
| 288 | $rhKey => $recordHash, |
| 289 | ]]; |
| 290 | } |
| 291 | |
| 292 | /** {@inheritdoc} */ |
| 293 | public function logDelete(string $moduleName, int $recordId, array $snapshot, PermissionContext $context): void |
| 294 | { |
| 295 | $pfx = $this->resolveTablePrefix($moduleName); |
| 296 | $cleanSnapshot = $this->sanitizer->sanitize($snapshot); |
| 297 | $jsonSnapshot = (string) json_encode($cleanSnapshot, JSON_UNESCAPED_UNICODE); |
| 298 | $prevHash = $this->integrityService->getLatestHash('logs_audit_delete_records', $pfx); |
| 299 | $recordHash = $this->integrityService->computeRecordHash( |
| 300 | $prevHash, |
| 301 | $moduleName, |
| 302 | $recordId, |
| 303 | $jsonSnapshot, |
| 304 | $context->getAuditActorUserId(), |
| 305 | $context->actorIp, |
| 306 | $context->requestId |
| 307 | ); |
| 308 | |
| 309 | $sql = "INSERT INTO `{$pfx}logs_audit_delete_records` |
| 310 | (`module_name`, `record_id`, `snapshot`, `actor_id`, `ip_address`, |
| 311 | `request_id`, `prev_hash`, `record_hash`) |
| 312 | VALUES (:module_name, :record_id, :snapshot, :actor_id, :ip_address, |
| 313 | :request_id, :prev_hash, :record_hash)"; |
| 314 | |
| 315 | $params = $this->buildContextAuditParams($moduleName, $recordId, $context, $prevHash, $recordHash); |
| 316 | $params[':snapshot'] = $jsonSnapshot; |
| 317 | $this->execute($sql, $params); |
| 318 | } |
| 319 | |
| 320 | /** {@inheritdoc} */ |
| 321 | public function getTimeline(string $moduleName, int $recordId): array |
| 322 | { |
| 323 | $createEvents = $this->fetchCreateTimelineEvents($moduleName, $recordId); |
| 324 | $updateEvents = $this->fetchUpdateTimelineEvents($moduleName, $recordId); |
| 325 | $deleteEvents = $this->fetchDeleteTimelineEvents($moduleName, $recordId); |
| 326 | |
| 327 | $events = array_merge($createEvents, $updateEvents, $deleteEvents); |
| 328 | |
| 329 | usort( |
| 330 | $events, |
| 331 | static fn(array $a, array $b): int => strcmp((string) $b['created_at'], (string) $a['created_at']) |
| 332 | ); |
| 333 | |
| 334 | return $events; |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Fetches creation audit timeline events. |
| 339 | * |
| 340 | * @param string $moduleName Module machine name. |
| 341 | * @param int $recordId Record primary key. |
| 342 | * @return array<int, array<string, mixed>> List of creation events. |
| 343 | */ |
| 344 | private function fetchCreateTimelineEvents(string $moduleName, int $recordId): array |
| 345 | { |
| 346 | $pfx = $this->resolveTablePrefix($moduleName); |
| 347 | $events = []; |
| 348 | $sql = 'SELECT c.`id`, c.`module_name`, c.`record_id`, c.`payload`, c.`actor_id`, c.`ip_address`,' |
| 349 | . ' c.`created_at`, u.`username` AS `actor_username`' |
| 350 | . " FROM `{$pfx}logs_audit_create_records` c" |
| 351 | . " LEFT JOIN `{$pfx}mod_users_records` u ON u.`id` = c.`actor_id`" |
| 352 | . ' WHERE c.`module_name` = :module_name AND c.`record_id` = :record_id' |
| 353 | . ' ORDER BY c.`id` DESC'; |
| 354 | |
| 355 | try { |
| 356 | $stmt = $this->pdo->prepare($sql); |
| 357 | $stmt->execute([':module_name' => $moduleName, ':record_id' => $recordId]); |
| 358 | |
| 359 | while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { |
| 360 | $payload = is_string($row['payload']) ? (json_decode($row['payload'], true) ?? []) : []; |
| 361 | $events[] = [ |
| 362 | 'id' => 'create_' . $row['id'], |
| 363 | 'action' => 'create', |
| 364 | 'module_name' => (string) $row['module_name'], |
| 365 | 'record_id' => (int) $row['record_id'], |
| 366 | 'actor_id' => $row['actor_id'] !== null ? (int) $row['actor_id'] : null, |
| 367 | 'actor_username' => $row['actor_username'] ?? 'System', |
| 368 | 'actor_ip' => (string) $row['ip_address'], |
| 369 | 'created_at' => (string) $row['created_at'], |
| 370 | 'payload' => $payload, |
| 371 | 'changes' => [], |
| 372 | ]; |
| 373 | } |
| 374 | } catch (\Throwable) { |
| 375 | // Failsafe execution if audit table does not exist |
| 376 | } |
| 377 | |
| 378 | return $events; |
| 379 | } |
| 380 | |
| 381 | /** |
| 382 | * Fetches and groups field modification audit timeline events. |
| 383 | * |
| 384 | * @param string $moduleName Module machine name. |
| 385 | * @param int $recordId Record primary key. |
| 386 | * @return array<int, array<string, mixed>> List of grouped update events. |
| 387 | */ |
| 388 | private function fetchUpdateTimelineEvents(string $moduleName, int $recordId): array |
| 389 | { |
| 390 | $pfx = $this->resolveTablePrefix($moduleName); |
| 391 | $events = []; |
| 392 | $sql = 'SELECT u.`id`, u.`module_name`, u.`record_id`, u.`field_key`, u.`old_value`, u.`new_value`,' |
| 393 | . ' u.`actor_id`, u.`ip_address`, u.`created_at`, usr.`username` AS `actor_username`' |
| 394 | . " FROM `{$pfx}logs_audit_update_records` u" |
| 395 | . " LEFT JOIN `{$pfx}mod_users_records` usr ON usr.`id` = u.`actor_id`" |
| 396 | . ' WHERE u.`module_name` = :module_name AND u.`record_id` = :record_id' |
| 397 | . ' AND (u.`old_value` IS NULL OR u.`new_value` IS NULL' |
| 398 | . ' OR u.`old_value` != u.`new_value` OR u.`old_value` = \'[REDACTED]\')' |
| 399 | . ' ORDER BY u.`id` DESC'; |
| 400 | |
| 401 | try { |
| 402 | $stmt = $this->pdo->prepare($sql); |
| 403 | $stmt->execute([':module_name' => $moduleName, ':record_id' => $recordId]); |
| 404 | $rows = $stmt->fetchAll(PDO::FETCH_ASSOC); |
| 405 | $events = $this->groupUpdateRows($rows); |
| 406 | } catch (\Throwable) { |
| 407 | // Failsafe execution if audit table does not exist |
| 408 | } |
| 409 | |
| 410 | return $events; |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Groups raw update audit rows into time-clustered composite events. |
| 415 | * |
| 416 | * @param list<array<string, mixed>> $rows Raw database records. |
| 417 | * @return array<int, array<string, mixed>> Grouped timeline events. |
| 418 | */ |
| 419 | private function groupUpdateRows(array $rows): array |
| 420 | { |
| 421 | $events = []; |
| 422 | $currentGroup = null; |
| 423 | $lastTimestamp = null; |
| 424 | $lastActorId = null; |
| 425 | |
| 426 | foreach ($rows as $row) { |
| 427 | $isSensitive = $this->sanitizer->isSensitiveKey((string) $row['field_key']); |
| 428 | if (!$isSensitive && (string) $row['old_value'] === (string) $row['new_value']) { |
| 429 | continue; |
| 430 | } |
| 431 | |
| 432 | $actorId = $row['actor_id'] !== null ? (int) $row['actor_id'] : null; |
| 433 | $createdAt = (string) $row['created_at']; |
| 434 | $createdTs = (int) strtotime($createdAt); |
| 435 | |
| 436 | $shouldMerge = $currentGroup !== null |
| 437 | && $actorId === $lastActorId |
| 438 | && abs($createdTs - (int) $lastTimestamp) <= 3; |
| 439 | |
| 440 | if (!$shouldMerge) { |
| 441 | if ($currentGroup !== null && $currentGroup['changes'] !== []) { |
| 442 | $events[] = $currentGroup; |
| 443 | } |
| 444 | $currentGroup = [ |
| 445 | 'id' => 'update_' . $row['id'], |
| 446 | 'action' => 'update', |
| 447 | 'module_name' => (string) $row['module_name'], |
| 448 | 'record_id' => (int) $row['record_id'], |
| 449 | 'actor_id' => $actorId, |
| 450 | 'actor_username' => $row['actor_username'] ?? 'System', |
| 451 | 'actor_ip' => (string) $row['ip_address'], |
| 452 | 'created_at' => $createdAt, |
| 453 | 'changes' => [], |
| 454 | ]; |
| 455 | $lastActorId = $actorId; |
| 456 | $lastTimestamp = $createdTs; |
| 457 | } |
| 458 | |
| 459 | $currentGroup['changes'][] = [ |
| 460 | 'field_key' => (string) $row['field_key'], |
| 461 | 'old_value' => $row['old_value'], |
| 462 | 'new_value' => $row['new_value'], |
| 463 | ]; |
| 464 | } |
| 465 | |
| 466 | if ($currentGroup !== null && $currentGroup['changes'] !== []) { |
| 467 | $events[] = $currentGroup; |
| 468 | } |
| 469 | |
| 470 | return $events; |
| 471 | } |
| 472 | |
| 473 | /** |
| 474 | * Fetches deletion audit timeline events. |
| 475 | * |
| 476 | * @param string $moduleName Module machine name. |
| 477 | * @param int $recordId Record primary key. |
| 478 | * @return array<int, array<string, mixed>> List of deletion events. |
| 479 | */ |
| 480 | private function fetchDeleteTimelineEvents(string $moduleName, int $recordId): array |
| 481 | { |
| 482 | $pfx = $this->resolveTablePrefix($moduleName); |
| 483 | $events = []; |
| 484 | $sql = 'SELECT d.`id`, d.`module_name`, d.`record_id`, d.`snapshot`, d.`actor_id`, d.`ip_address`,' |
| 485 | . ' d.`created_at`, u.`username` AS `actor_username`' |
| 486 | . " FROM `{$pfx}logs_audit_delete_records` d" |
| 487 | . " LEFT JOIN `{$pfx}mod_users_records` u ON u.`id` = d.`actor_id`" |
| 488 | . ' WHERE d.`module_name` = :module_name AND d.`record_id` = :record_id' |
| 489 | . ' ORDER BY d.`id` DESC'; |
| 490 | |
| 491 | try { |
| 492 | $stmt = $this->pdo->prepare($sql); |
| 493 | $stmt->execute([':module_name' => $moduleName, ':record_id' => $recordId]); |
| 494 | |
| 495 | while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { |
| 496 | $snapshot = is_string($row['snapshot']) ? (json_decode($row['snapshot'], true) ?? []) : []; |
| 497 | $events[] = [ |
| 498 | 'id' => 'delete_' . $row['id'], |
| 499 | 'action' => 'delete', |
| 500 | 'module_name' => (string) $row['module_name'], |
| 501 | 'record_id' => (int) $row['record_id'], |
| 502 | 'actor_id' => $row['actor_id'] !== null ? (int) $row['actor_id'] : null, |
| 503 | 'actor_username' => $row['actor_username'] ?? 'System', |
| 504 | 'actor_ip' => (string) $row['ip_address'], |
| 505 | 'created_at' => (string) $row['created_at'], |
| 506 | 'snapshot' => $snapshot, |
| 507 | 'changes' => [], |
| 508 | ]; |
| 509 | } |
| 510 | } catch (\Throwable) { |
| 511 | // Failsafe execution if audit table does not exist |
| 512 | } |
| 513 | |
| 514 | return $events; |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * Executes a parameterized SQL audit statement, silently catching failures. |
| 519 | * |
| 520 | * @param string $sql The SQL query to execute. |
| 521 | * @param array<string, mixed> $params The bound parameter values. |
| 522 | */ |
| 523 | private function execute(string $sql, array $params): void |
| 524 | { |
| 525 | try { |
| 526 | $stmt = $this->pdo->prepare($sql); |
| 527 | $stmt->execute($params); |
| 528 | } catch (\PDOException) { |
| 529 | // Audit failures MUST NOT interrupt the main operation flow. |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | /** |
| 534 | * Builds standard context audit parameters for query binding. |
| 535 | * |
| 536 | * @param string $moduleName Target module name. |
| 537 | * @param int|null $recordId Target record ID. |
| 538 | * @param PermissionContext $context Actor and request context. |
| 539 | * @param string|null $prevHash Previous cryptographic hash. |
| 540 | * @param string|null $recordHash Current cryptographic hash. |
| 541 | * @return array<string, mixed> Bind parameters. |
| 542 | */ |
| 543 | private function buildContextAuditParams( |
| 544 | string $moduleName, |
| 545 | ?int $recordId, |
| 546 | PermissionContext $context, |
| 547 | ?string $prevHash = null, |
| 548 | ?string $recordHash = null |
| 549 | ): array { |
| 550 | return [ |
| 551 | ':module_name' => $moduleName, |
| 552 | ':record_id' => $recordId, |
| 553 | ':actor_id' => $context->getAuditActorUserId(), |
| 554 | ':ip_address' => $context->actorIp, |
| 555 | ':request_id' => $context->requestId, |
| 556 | ':prev_hash' => $prevHash, |
| 557 | ':record_hash' => $recordHash, |
| 558 | ]; |
| 559 | } |
| 560 | } |