Setup.php 20 KB

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  1. <?php
  2. declare(strict_types=1);
  3. /**
  4. * @copyright Copyright (c) 2016, ownCloud, Inc.
  5. *
  6. * @author Administrator "Administrator@WINDOWS-2012"
  7. * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
  8. * @author Bart Visscher <bartv@thisnet.nl>
  9. * @author Bernhard Posselt <dev@bernhard-posselt.com>
  10. * @author Bjoern Schiessle <bjoern@schiessle.org>
  11. * @author Brice Maron <brice@bmaron.net>
  12. * @author Christoph Wurst <christoph@winzerhof-wurst.at>
  13. * @author Dan Callahan <dan.callahan@gmail.com>
  14. * @author Daniel Kesselberg <mail@danielkesselberg.de>
  15. * @author François Kubler <francois@kubler.org>
  16. * @author Frank Isemann <frank@isemann.name>
  17. * @author Jakob Sack <mail@jakobsack.de>
  18. * @author Joas Schilling <coding@schilljs.com>
  19. * @author Julius Härtl <jus@bitgrid.net>
  20. * @author KB7777 <k.burkowski@gmail.com>
  21. * @author Kevin Lanni <therealklanni@gmail.com>
  22. * @author Lukas Reschke <lukas@statuscode.ch>
  23. * @author MichaIng <28480705+MichaIng@users.noreply.github.com>
  24. * @author MichaIng <micha@dietpi.com>
  25. * @author Morris Jobke <hey@morrisjobke.de>
  26. * @author Robin Appelman <robin@icewind.nl>
  27. * @author Roeland Jago Douma <roeland@famdouma.nl>
  28. * @author Sean Comeau <sean@ftlnetworks.ca>
  29. * @author Serge Martin <edb@sigluy.net>
  30. * @author Simounet <contact@simounet.net>
  31. * @author Thomas Müller <thomas.mueller@tmit.eu>
  32. * @author Valdnet <47037905+Valdnet@users.noreply.github.com>
  33. * @author Vincent Petry <vincent@nextcloud.com>
  34. *
  35. * @license AGPL-3.0
  36. *
  37. * This code is free software: you can redistribute it and/or modify
  38. * it under the terms of the GNU Affero General Public License, version 3,
  39. * as published by the Free Software Foundation.
  40. *
  41. * This program is distributed in the hope that it will be useful,
  42. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  43. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  44. * GNU Affero General Public License for more details.
  45. *
  46. * You should have received a copy of the GNU Affero General Public License, version 3,
  47. * along with this program. If not, see <http://www.gnu.org/licenses/>
  48. *
  49. */
  50. namespace OC;
  51. use bantu\IniGetWrapper\IniGetWrapper;
  52. use Exception;
  53. use InvalidArgumentException;
  54. use OC\Authentication\Token\PublicKeyTokenProvider;
  55. use OC\Authentication\Token\TokenCleanupJob;
  56. use OC\Log\Rotate;
  57. use OC\Preview\BackgroundCleanupJob;
  58. use OC\TextProcessing\RemoveOldTasksBackgroundJob;
  59. use OCP\AppFramework\Utility\ITimeFactory;
  60. use OCP\BackgroundJob\IJobList;
  61. use OCP\Defaults;
  62. use OCP\IAppConfig;
  63. use OCP\IConfig;
  64. use OCP\IGroup;
  65. use OCP\IGroupManager;
  66. use OCP\IL10N;
  67. use OCP\IRequest;
  68. use OCP\IUserManager;
  69. use OCP\IUserSession;
  70. use OCP\L10N\IFactory as IL10NFactory;
  71. use OCP\Migration\IOutput;
  72. use OCP\Security\ISecureRandom;
  73. use OCP\Server;
  74. use Psr\Log\LoggerInterface;
  75. class Setup {
  76. protected IL10N $l10n;
  77. public function __construct(
  78. protected SystemConfig $config,
  79. protected IniGetWrapper $iniWrapper,
  80. IL10NFactory $l10nFactory,
  81. protected Defaults $defaults,
  82. protected LoggerInterface $logger,
  83. protected ISecureRandom $random,
  84. protected Installer $installer
  85. ) {
  86. $this->l10n = $l10nFactory->get('lib');
  87. }
  88. protected static array $dbSetupClasses = [
  89. 'mysql' => \OC\Setup\MySQL::class,
  90. 'pgsql' => \OC\Setup\PostgreSQL::class,
  91. 'oci' => \OC\Setup\OCI::class,
  92. 'sqlite' => \OC\Setup\Sqlite::class,
  93. 'sqlite3' => \OC\Setup\Sqlite::class,
  94. ];
  95. /**
  96. * Wrapper around the "class_exists" PHP function to be able to mock it
  97. */
  98. protected function class_exists(string $name): bool {
  99. return class_exists($name);
  100. }
  101. /**
  102. * Wrapper around the "is_callable" PHP function to be able to mock it
  103. */
  104. protected function is_callable(string $name): bool {
  105. return is_callable($name);
  106. }
  107. /**
  108. * Wrapper around \PDO::getAvailableDrivers
  109. */
  110. protected function getAvailableDbDriversForPdo(): array {
  111. if (class_exists(\PDO::class)) {
  112. return \PDO::getAvailableDrivers();
  113. }
  114. return [];
  115. }
  116. /**
  117. * Get the available and supported databases of this instance
  118. *
  119. * @return array
  120. * @throws Exception
  121. */
  122. public function getSupportedDatabases(bool $allowAllDatabases = false): array {
  123. $availableDatabases = [
  124. 'sqlite' => [
  125. 'type' => 'pdo',
  126. 'call' => 'sqlite',
  127. 'name' => 'SQLite',
  128. ],
  129. 'mysql' => [
  130. 'type' => 'pdo',
  131. 'call' => 'mysql',
  132. 'name' => 'MySQL/MariaDB',
  133. ],
  134. 'pgsql' => [
  135. 'type' => 'pdo',
  136. 'call' => 'pgsql',
  137. 'name' => 'PostgreSQL',
  138. ],
  139. 'oci' => [
  140. 'type' => 'function',
  141. 'call' => 'oci_connect',
  142. 'name' => 'Oracle',
  143. ],
  144. ];
  145. if ($allowAllDatabases) {
  146. $configuredDatabases = array_keys($availableDatabases);
  147. } else {
  148. $configuredDatabases = $this->config->getValue('supportedDatabases',
  149. ['sqlite', 'mysql', 'pgsql']);
  150. }
  151. if (!is_array($configuredDatabases)) {
  152. throw new Exception('Supported databases are not properly configured.');
  153. }
  154. $supportedDatabases = [];
  155. foreach ($configuredDatabases as $database) {
  156. if (array_key_exists($database, $availableDatabases)) {
  157. $working = false;
  158. $type = $availableDatabases[$database]['type'];
  159. $call = $availableDatabases[$database]['call'];
  160. if ($type === 'function') {
  161. $working = $this->is_callable($call);
  162. } elseif ($type === 'pdo') {
  163. $working = in_array($call, $this->getAvailableDbDriversForPdo(), true);
  164. }
  165. if ($working) {
  166. $supportedDatabases[$database] = $availableDatabases[$database]['name'];
  167. }
  168. }
  169. }
  170. return $supportedDatabases;
  171. }
  172. /**
  173. * Gathers system information like database type and does
  174. * a few system checks.
  175. *
  176. * @return array of system info, including an "errors" value
  177. * in case of errors/warnings
  178. */
  179. public function getSystemInfo(bool $allowAllDatabases = false): array {
  180. $databases = $this->getSupportedDatabases($allowAllDatabases);
  181. $dataDir = $this->config->getValue('datadirectory', \OC::$SERVERROOT . '/data');
  182. $errors = [];
  183. // Create data directory to test whether the .htaccess works
  184. // Notice that this is not necessarily the same data directory as the one
  185. // that will effectively be used.
  186. if (!file_exists($dataDir)) {
  187. @mkdir($dataDir);
  188. }
  189. $htAccessWorking = true;
  190. if (is_dir($dataDir) && is_writable($dataDir)) {
  191. // Protect data directory here, so we can test if the protection is working
  192. self::protectDataDirectory();
  193. try {
  194. $util = new \OC_Util();
  195. $htAccessWorking = $util->isHtaccessWorking(Server::get(IConfig::class));
  196. } catch (\OCP\HintException $e) {
  197. $errors[] = [
  198. 'error' => $e->getMessage(),
  199. 'exception' => $e,
  200. 'hint' => $e->getHint(),
  201. ];
  202. $htAccessWorking = false;
  203. }
  204. }
  205. if (\OC_Util::runningOnMac()) {
  206. $errors[] = [
  207. 'error' => $this->l10n->t(
  208. 'Mac OS X is not supported and %s will not work properly on this platform. ' .
  209. 'Use it at your own risk! ',
  210. [$this->defaults->getProductName()]
  211. ),
  212. 'hint' => $this->l10n->t('For the best results, please consider using a GNU/Linux server instead.'),
  213. ];
  214. }
  215. if ($this->iniWrapper->getString('open_basedir') !== '' && PHP_INT_SIZE === 4) {
  216. $errors[] = [
  217. 'error' => $this->l10n->t(
  218. 'It seems that this %s instance is running on a 32-bit PHP environment and the open_basedir has been configured in php.ini. ' .
  219. 'This will lead to problems with files over 4 GB and is highly discouraged.',
  220. [$this->defaults->getProductName()]
  221. ),
  222. 'hint' => $this->l10n->t('Please remove the open_basedir setting within your php.ini or switch to 64-bit PHP.'),
  223. ];
  224. }
  225. return [
  226. 'hasSQLite' => isset($databases['sqlite']),
  227. 'hasMySQL' => isset($databases['mysql']),
  228. 'hasPostgreSQL' => isset($databases['pgsql']),
  229. 'hasOracle' => isset($databases['oci']),
  230. 'databases' => $databases,
  231. 'directory' => $dataDir,
  232. 'htaccessWorking' => $htAccessWorking,
  233. 'errors' => $errors,
  234. ];
  235. }
  236. /**
  237. * @return array<string|array> errors
  238. */
  239. public function install(array $options, ?IOutput $output = null): array {
  240. $l = $this->l10n;
  241. $error = [];
  242. $dbType = $options['dbtype'];
  243. if (empty($options['adminlogin'])) {
  244. $error[] = $l->t('Set an admin Login.');
  245. }
  246. if (empty($options['adminpass'])) {
  247. $error[] = $l->t('Set an admin password.');
  248. }
  249. if (empty($options['directory'])) {
  250. $options['directory'] = \OC::$SERVERROOT . "/data";
  251. }
  252. if (!isset(self::$dbSetupClasses[$dbType])) {
  253. $dbType = 'sqlite';
  254. }
  255. $username = htmlspecialchars_decode($options['adminlogin']);
  256. $password = htmlspecialchars_decode($options['adminpass']);
  257. $dataDir = htmlspecialchars_decode($options['directory']);
  258. $class = self::$dbSetupClasses[$dbType];
  259. /** @var \OC\Setup\AbstractDatabase $dbSetup */
  260. $dbSetup = new $class($l, $this->config, $this->logger, $this->random);
  261. $error = array_merge($error, $dbSetup->validate($options));
  262. // validate the data directory
  263. if ((!is_dir($dataDir) && !mkdir($dataDir)) || !is_writable($dataDir)) {
  264. $error[] = $l->t("Cannot create or write into the data directory %s", [$dataDir]);
  265. }
  266. if (!empty($error)) {
  267. return $error;
  268. }
  269. $request = Server::get(IRequest::class);
  270. //no errors, good
  271. if (isset($options['trusted_domains'])
  272. && is_array($options['trusted_domains'])) {
  273. $trustedDomains = $options['trusted_domains'];
  274. } else {
  275. $trustedDomains = [$request->getInsecureServerHost()];
  276. }
  277. //use sqlite3 when available, otherwise sqlite2 will be used.
  278. if ($dbType === 'sqlite' && class_exists('SQLite3')) {
  279. $dbType = 'sqlite3';
  280. }
  281. //generate a random salt that is used to salt the local passwords
  282. $salt = $this->random->generate(30);
  283. // generate a secret
  284. $secret = $this->random->generate(48);
  285. //write the config file
  286. $newConfigValues = [
  287. 'passwordsalt' => $salt,
  288. 'secret' => $secret,
  289. 'trusted_domains' => $trustedDomains,
  290. 'datadirectory' => $dataDir,
  291. 'dbtype' => $dbType,
  292. 'version' => implode('.', \OCP\Util::getVersion()),
  293. ];
  294. if ($this->config->getValue('overwrite.cli.url', null) === null) {
  295. $newConfigValues['overwrite.cli.url'] = $request->getServerProtocol() . '://' . $request->getInsecureServerHost() . \OC::$WEBROOT;
  296. }
  297. $this->config->setValues($newConfigValues);
  298. $this->outputDebug($output, 'Configuring database');
  299. $dbSetup->initialize($options);
  300. try {
  301. $dbSetup->setupDatabase($username);
  302. } catch (\OC\DatabaseSetupException $e) {
  303. $error[] = [
  304. 'error' => $e->getMessage(),
  305. 'exception' => $e,
  306. 'hint' => $e->getHint(),
  307. ];
  308. return $error;
  309. } catch (Exception $e) {
  310. $error[] = [
  311. 'error' => 'Error while trying to create admin account: ' . $e->getMessage(),
  312. 'exception' => $e,
  313. 'hint' => '',
  314. ];
  315. return $error;
  316. }
  317. $this->outputDebug($output, 'Run server migrations');
  318. try {
  319. // apply necessary migrations
  320. $dbSetup->runMigrations($output);
  321. } catch (Exception $e) {
  322. $error[] = [
  323. 'error' => 'Error while trying to initialise the database: ' . $e->getMessage(),
  324. 'exception' => $e,
  325. 'hint' => '',
  326. ];
  327. return $error;
  328. }
  329. $this->outputDebug($output, 'Create admin account');
  330. // create the admin account and group
  331. $user = null;
  332. try {
  333. $user = Server::get(IUserManager::class)->createUser($username, $password);
  334. if (!$user) {
  335. $error[] = "Account <$username> could not be created.";
  336. return $error;
  337. }
  338. } catch (Exception $exception) {
  339. $error[] = $exception->getMessage();
  340. return $error;
  341. }
  342. $config = Server::get(IConfig::class);
  343. $config->setAppValue('core', 'installedat', (string)microtime(true));
  344. $appConfig = Server::get(IAppConfig::class);
  345. $appConfig->setValueInt('core', 'lastupdatedat', time());
  346. $vendorData = $this->getVendorData();
  347. $config->setAppValue('core', 'vendor', $vendorData['vendor']);
  348. if ($vendorData['channel'] !== 'stable') {
  349. $config->setSystemValue('updater.release.channel', $vendorData['channel']);
  350. }
  351. $group = Server::get(IGroupManager::class)->createGroup('admin');
  352. if ($group instanceof IGroup) {
  353. $group->addUser($user);
  354. }
  355. // Install shipped apps and specified app bundles
  356. $this->outputDebug($output, 'Install default apps');
  357. Installer::installShippedApps(false, $output);
  358. // create empty file in data dir, so we can later find
  359. // out that this is indeed an ownCloud data directory
  360. $this->outputDebug($output, 'Setup data directory');
  361. file_put_contents($config->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data') . '/.ocdata', '');
  362. // Update .htaccess files
  363. self::updateHtaccess();
  364. self::protectDataDirectory();
  365. $this->outputDebug($output, 'Install background jobs');
  366. self::installBackgroundJobs();
  367. //and we are done
  368. $config->setSystemValue('installed', true);
  369. if (self::shouldRemoveCanInstallFile()) {
  370. unlink(\OC::$configDir.'/CAN_INSTALL');
  371. }
  372. $bootstrapCoordinator = \OCP\Server::get(\OC\AppFramework\Bootstrap\Coordinator::class);
  373. $bootstrapCoordinator->runInitialRegistration();
  374. // Create a session token for the newly created user
  375. // The token provider requires a working db, so it's not injected on setup
  376. /** @var \OC\User\Session $userSession */
  377. $userSession = Server::get(IUserSession::class);
  378. $provider = Server::get(PublicKeyTokenProvider::class);
  379. $userSession->setTokenProvider($provider);
  380. $userSession->login($username, $password);
  381. $user = $userSession->getUser();
  382. if (!$user) {
  383. $error[] = "No account found in session.";
  384. return $error;
  385. }
  386. $userSession->createSessionToken($request, $user->getUID(), $username, $password);
  387. $session = $userSession->getSession();
  388. $session->set('last-password-confirm', Server::get(ITimeFactory::class)->getTime());
  389. // Set email for admin
  390. if (!empty($options['adminemail'])) {
  391. $user->setSystemEMailAddress($options['adminemail']);
  392. }
  393. return $error;
  394. }
  395. public static function installBackgroundJobs(): void {
  396. $jobList = Server::get(IJobList::class);
  397. $jobList->add(TokenCleanupJob::class);
  398. $jobList->add(Rotate::class);
  399. $jobList->add(BackgroundCleanupJob::class);
  400. $jobList->add(RemoveOldTasksBackgroundJob::class);
  401. }
  402. /**
  403. * @return string Absolute path to htaccess
  404. */
  405. private function pathToHtaccess(): string {
  406. return \OC::$SERVERROOT . '/.htaccess';
  407. }
  408. /**
  409. * Find webroot from config
  410. *
  411. * @throws InvalidArgumentException when invalid value for overwrite.cli.url
  412. */
  413. private static function findWebRoot(SystemConfig $config): string {
  414. // For CLI read the value from overwrite.cli.url
  415. if (\OC::$CLI) {
  416. $webRoot = $config->getValue('overwrite.cli.url', '');
  417. if ($webRoot === '') {
  418. throw new InvalidArgumentException('overwrite.cli.url is empty');
  419. }
  420. if (!filter_var($webRoot, FILTER_VALIDATE_URL)) {
  421. throw new InvalidArgumentException('invalid value for overwrite.cli.url');
  422. }
  423. $webRoot = rtrim((parse_url($webRoot, PHP_URL_PATH) ?? ''), '/');
  424. } else {
  425. $webRoot = !empty(\OC::$WEBROOT) ? \OC::$WEBROOT : '/';
  426. }
  427. return $webRoot;
  428. }
  429. /**
  430. * Append the correct ErrorDocument path for Apache hosts
  431. *
  432. * @return bool True when success, False otherwise
  433. * @throws \OCP\AppFramework\QueryException
  434. */
  435. public static function updateHtaccess(): bool {
  436. $config = Server::get(SystemConfig::class);
  437. try {
  438. $webRoot = self::findWebRoot($config);
  439. } catch (InvalidArgumentException $e) {
  440. return false;
  441. }
  442. $setupHelper = Server::get(\OC\Setup::class);
  443. if (!is_writable($setupHelper->pathToHtaccess())) {
  444. return false;
  445. }
  446. $htaccessContent = file_get_contents($setupHelper->pathToHtaccess());
  447. $content = "#### DO NOT CHANGE ANYTHING ABOVE THIS LINE ####\n";
  448. $htaccessContent = explode($content, $htaccessContent, 2)[0];
  449. //custom 403 error page
  450. $content .= "\nErrorDocument 403 " . $webRoot . '/index.php/error/403';
  451. //custom 404 error page
  452. $content .= "\nErrorDocument 404 " . $webRoot . '/index.php/error/404';
  453. // Add rewrite rules if the RewriteBase is configured
  454. $rewriteBase = $config->getValue('htaccess.RewriteBase', '');
  455. if ($rewriteBase !== '') {
  456. $content .= "\n<IfModule mod_rewrite.c>";
  457. $content .= "\n Options -MultiViews";
  458. $content .= "\n RewriteRule ^core/js/oc.js$ index.php [PT,E=PATH_INFO:$1]";
  459. $content .= "\n RewriteRule ^core/preview.png$ index.php [PT,E=PATH_INFO:$1]";
  460. $content .= "\n RewriteCond %{REQUEST_FILENAME} !\\.(css|js|mjs|svg|gif|png|html|ttf|woff2?|ico|jpg|jpeg|map|webm|mp4|mp3|ogg|wav|flac|wasm|tflite)$";
  461. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/core/ajax/update\\.php";
  462. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/core/img/(favicon\\.ico|manifest\\.json)$";
  463. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/(cron|public|remote|status)\\.php";
  464. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/ocs/v(1|2)\\.php";
  465. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/robots\\.txt";
  466. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/(ocs-provider|updater)/";
  467. $content .= "\n RewriteCond %{REQUEST_URI} !^/\\.well-known/(acme-challenge|pki-validation)/.*";
  468. $content .= "\n RewriteCond %{REQUEST_FILENAME} !/richdocumentscode(_arm64)?/proxy.php$";
  469. $content .= "\n RewriteRule . index.php [PT,E=PATH_INFO:$1]";
  470. $content .= "\n RewriteBase " . $rewriteBase;
  471. $content .= "\n <IfModule mod_env.c>";
  472. $content .= "\n SetEnv front_controller_active true";
  473. $content .= "\n <IfModule mod_dir.c>";
  474. $content .= "\n DirectorySlash off";
  475. $content .= "\n </IfModule>";
  476. $content .= "\n </IfModule>";
  477. $content .= "\n</IfModule>";
  478. }
  479. // Never write file back if disk space should be too low
  480. if (function_exists('disk_free_space')) {
  481. $df = disk_free_space(\OC::$SERVERROOT);
  482. $size = strlen($content) + 10240;
  483. if ($df !== false && $df < (float)$size) {
  484. throw new \Exception(\OC::$SERVERROOT . " does not have enough space for writing the htaccess file! Not writing it back!");
  485. }
  486. }
  487. //suppress errors in case we don't have permissions for it
  488. return (bool)@file_put_contents($setupHelper->pathToHtaccess(), $htaccessContent . $content . "\n");
  489. }
  490. public static function protectDataDirectory(): void {
  491. //Require all denied
  492. $now = date('Y-m-d H:i:s');
  493. $content = "# Generated by Nextcloud on $now\n";
  494. $content .= "# Section for Apache 2.4 to 2.6\n";
  495. $content .= "<IfModule mod_authz_core.c>\n";
  496. $content .= " Require all denied\n";
  497. $content .= "</IfModule>\n";
  498. $content .= "<IfModule mod_access_compat.c>\n";
  499. $content .= " Order Allow,Deny\n";
  500. $content .= " Deny from all\n";
  501. $content .= " Satisfy All\n";
  502. $content .= "</IfModule>\n\n";
  503. $content .= "# Section for Apache 2.2\n";
  504. $content .= "<IfModule !mod_authz_core.c>\n";
  505. $content .= " <IfModule !mod_access_compat.c>\n";
  506. $content .= " <IfModule mod_authz_host.c>\n";
  507. $content .= " Order Allow,Deny\n";
  508. $content .= " Deny from all\n";
  509. $content .= " </IfModule>\n";
  510. $content .= " Satisfy All\n";
  511. $content .= " </IfModule>\n";
  512. $content .= "</IfModule>\n\n";
  513. $content .= "# Section for Apache 2.2 to 2.6\n";
  514. $content .= "<IfModule mod_autoindex.c>\n";
  515. $content .= " IndexIgnore *\n";
  516. $content .= "</IfModule>";
  517. $baseDir = Server::get(IConfig::class)->getSystemValueString('datadirectory', \OC::$SERVERROOT . '/data');
  518. file_put_contents($baseDir . '/.htaccess', $content);
  519. file_put_contents($baseDir . '/index.html', '');
  520. }
  521. private function getVendorData(): array {
  522. // this should really be a JSON file
  523. require \OC::$SERVERROOT . '/version.php';
  524. /** @var mixed $vendor */
  525. /** @var mixed $OC_Channel */
  526. return [
  527. 'vendor' => (string)$vendor,
  528. 'channel' => (string)$OC_Channel,
  529. ];
  530. }
  531. public function shouldRemoveCanInstallFile(): bool {
  532. return \OC_Util::getChannel() !== 'git' && is_file(\OC::$configDir.'/CAN_INSTALL');
  533. }
  534. public function canInstallFileExists(): bool {
  535. return is_file(\OC::$configDir.'/CAN_INSTALL');
  536. }
  537. protected function outputDebug(?IOutput $output, string $message): void {
  538. if ($output instanceof IOutput) {
  539. $output->debug($message);
  540. }
  541. }
  542. }