* @author Andreas Fischer * @author Arthur Schiwon * @author Bart Visscher * @author Bernhard Posselt * @author Bjoern Schiessle * @author Björn Schießle * @author Christoph Wurst * @author Damjan Georgievski * @author Daniel Kesselberg * @author davidgumberg * @author Eric Masseran * @author Florin Peter * @author Greta Doci * @author Jakob Sack * @author jaltek * @author Jan-Christoph Borchardt * @author Joachim Sokolowski * @author Joas Schilling * @author John Molakvoæ (skjnldsv) * @author Jörn Friedrich Dreyer * @author Jose Quinteiro * @author Juan Pablo Villafáñez * @author Julius Härtl * @author Ko- * @author Lukas Reschke * @author MartB * @author Michael Gapczynski * @author Morris Jobke * @author Owen Winkler * @author Phil Davis * @author Ramiro Aparicio * @author Robin Appelman * @author Robin McCorkell * @author Roeland Jago Douma * @author Sebastian Wessalowski * @author Stefan Weil * @author Thomas Müller * @author Thomas Tanghus * @author Tobia De Koninck * @author Vincent Petry * @author Volkan Gezer * * @license AGPL-3.0 * * This code is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License, version 3, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License, version 3, * along with this program. If not, see * */ use OCP\EventDispatcher\IEventDispatcher; use OCP\Group\Events\UserRemovedEvent; use OCP\ILogger; use OCP\Share; use OC\Encryption\HookManager; use OC\Files\Filesystem; use OC\Share20\Hooks; require_once 'public/Constants.php'; /** * Class that is a namespace for all global OC variables * No, we can not put this class in its own file because it is used by * OC_autoload! */ class OC { /** * Associative array for autoloading. classname => filename */ public static $CLASSPATH = []; /** * The installation path for Nextcloud on the server (e.g. /srv/http/nextcloud) */ public static $SERVERROOT = ''; /** * the current request path relative to the Nextcloud root (e.g. files/index.php) */ private static $SUBURI = ''; /** * the Nextcloud root path for http requests (e.g. nextcloud/) */ public static $WEBROOT = ''; /** * The installation path array of the apps folder on the server (e.g. /srv/http/nextcloud) 'path' and * web path in 'url' */ public static $APPSROOTS = []; /** * @var string */ public static $configDir; /** * requested app */ public static $REQUESTEDAPP = ''; /** * check if Nextcloud runs in cli mode */ public static $CLI = false; /** * @var \OC\Autoloader $loader */ public static $loader = null; /** @var \Composer\Autoload\ClassLoader $composerAutoloader */ public static $composerAutoloader = null; /** * @var \OC\Server */ public static $server = null; /** * @var \OC\Config */ private static $config = null; /** * @throws \RuntimeException when the 3rdparty directory is missing or * the app path list is empty or contains an invalid path */ public static function initPaths() { if (defined('PHPUNIT_CONFIG_DIR')) { self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/'; } elseif (defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) { self::$configDir = OC::$SERVERROOT . '/tests/config/'; } elseif ($dir = getenv('NEXTCLOUD_CONFIG_DIR')) { self::$configDir = rtrim($dir, '/') . '/'; } else { self::$configDir = OC::$SERVERROOT . '/config/'; } self::$config = new \OC\Config(self::$configDir); OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"]), strlen(OC::$SERVERROOT))); /** * FIXME: The following lines are required because we can't yet instantiate * \OC::$server->getRequest() since \OC::$server does not yet exist. */ $params = [ 'server' => [ 'SCRIPT_NAME' => $_SERVER['SCRIPT_NAME'], 'SCRIPT_FILENAME' => $_SERVER['SCRIPT_FILENAME'], ], ]; $fakeRequest = new \OC\AppFramework\Http\Request($params, new \OC\Security\SecureRandom(), new \OC\AllConfig(new \OC\SystemConfig(self::$config))); $scriptName = $fakeRequest->getScriptName(); if (substr($scriptName, -1) == '/') { $scriptName .= 'index.php'; //make sure suburi follows the same rules as scriptName if (substr(OC::$SUBURI, -9) != 'index.php') { if (substr(OC::$SUBURI, -1) != '/') { OC::$SUBURI = OC::$SUBURI . '/'; } OC::$SUBURI = OC::$SUBURI . 'index.php'; } } if (OC::$CLI) { OC::$WEBROOT = self::$config->getValue('overwritewebroot', ''); } else { if (substr($scriptName, 0 - strlen(OC::$SUBURI)) === OC::$SUBURI) { OC::$WEBROOT = substr($scriptName, 0, 0 - strlen(OC::$SUBURI)); if (OC::$WEBROOT != '' && OC::$WEBROOT[0] !== '/') { OC::$WEBROOT = '/' . OC::$WEBROOT; } } else { // The scriptName is not ending with OC::$SUBURI // This most likely means that we are calling from CLI. // However some cron jobs still need to generate // a web URL, so we use overwritewebroot as a fallback. OC::$WEBROOT = self::$config->getValue('overwritewebroot', ''); } // Resolve /nextcloud to /nextcloud/ to ensure to always have a trailing // slash which is required by URL generation. if (isset($_SERVER['REQUEST_URI']) && $_SERVER['REQUEST_URI'] === \OC::$WEBROOT && substr($_SERVER['REQUEST_URI'], -1) !== '/') { header('Location: '.\OC::$WEBROOT.'/'); exit(); } } // search the apps folder $config_paths = self::$config->getValue('apps_paths', []); if (!empty($config_paths)) { foreach ($config_paths as $paths) { if (isset($paths['url']) && isset($paths['path'])) { $paths['url'] = rtrim($paths['url'], '/'); $paths['path'] = rtrim($paths['path'], '/'); OC::$APPSROOTS[] = $paths; } } } elseif (file_exists(OC::$SERVERROOT . '/apps')) { OC::$APPSROOTS[] = ['path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true]; } if (empty(OC::$APPSROOTS)) { throw new \RuntimeException('apps directory not found! Please put the Nextcloud apps folder in the Nextcloud folder' . '. You can also configure the location in the config.php file.'); } $paths = []; foreach (OC::$APPSROOTS as $path) { $paths[] = $path['path']; if (!is_dir($path['path'])) { throw new \RuntimeException(sprintf('App directory "%s" not found! Please put the Nextcloud apps folder in the' . ' Nextcloud folder. You can also configure the location in the config.php file.', $path['path'])); } } // set the right include path set_include_path( implode(PATH_SEPARATOR, $paths) ); } public static function checkConfig() { $l = \OC::$server->getL10N('lib'); // Create config if it does not already exist $configFilePath = self::$configDir .'/config.php'; if (!file_exists($configFilePath)) { @touch($configFilePath); } // Check if config is writable $configFileWritable = is_writable($configFilePath); if (!$configFileWritable && !OC_Helper::isReadOnlyConfigEnabled() || !$configFileWritable && \OCP\Util::needUpgrade()) { $urlGenerator = \OC::$server->getURLGenerator(); if (self::$CLI) { echo $l->t('Cannot write into "config" directory!')."\n"; echo $l->t('This can usually be fixed by giving the webserver write access to the config directory.')."\n"; echo "\n"; echo $l->t('But, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.')."\n"; echo $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ])."\n"; exit; } else { OC_Template::printErrorPage( $l->t('Cannot write into "config" directory!'), $l->t('This can usually be fixed by giving the webserver write access to the config directory.') . ' ' . $l->t('But, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it.') . ' ' . $l->t('See %s', [ $urlGenerator->linkToDocs('admin-config') ]), 503 ); } } } public static function checkInstalled(\OC\SystemConfig $systemConfig) { if (defined('OC_CONSOLE')) { return; } // Redirect to installer if not installed if (!$systemConfig->getValue('installed', false) && OC::$SUBURI !== '/index.php' && OC::$SUBURI !== '/status.php') { if (OC::$CLI) { throw new Exception('Not installed'); } else { $url = OC::$WEBROOT . '/index.php'; header('Location: ' . $url); } exit(); } } public static function checkMaintenanceMode(\OC\SystemConfig $systemConfig) { // Allow ajax update script to execute without being stopped if (((bool) $systemConfig->getValue('maintenance', false)) && OC::$SUBURI != '/core/ajax/update.php') { // send http status 503 http_response_code(503); header('Retry-After: 120'); // render error page $template = new OC_Template('', 'update.user', 'guest'); OC_Util::addScript('dist/maintenance'); OC_Util::addStyle('core', 'guest'); $template->printPage(); die(); } } /** * Prints the upgrade page * * @param \OC\SystemConfig $systemConfig */ private static function printUpgradePage(\OC\SystemConfig $systemConfig) { $disableWebUpdater = $systemConfig->getValue('upgrade.disable-web', false); $tooBig = false; if (!$disableWebUpdater) { $apps = \OC::$server->getAppManager(); if ($apps->isInstalled('user_ldap')) { $qb = \OC::$server->getDatabaseConnection()->getQueryBuilder(); $result = $qb->select($qb->func()->count('*', 'user_count')) ->from('ldap_user_mapping') ->execute(); $row = $result->fetch(); $result->closeCursor(); $tooBig = ($row['user_count'] > 50); } if (!$tooBig && $apps->isInstalled('user_saml')) { $qb = \OC::$server->getDatabaseConnection()->getQueryBuilder(); $result = $qb->select($qb->func()->count('*', 'user_count')) ->from('user_saml_users') ->execute(); $row = $result->fetch(); $result->closeCursor(); $tooBig = ($row['user_count'] > 50); } if (!$tooBig) { // count users $stats = \OC::$server->getUserManager()->countUsers(); $totalUsers = array_sum($stats); $tooBig = ($totalUsers > 50); } } $ignoreTooBigWarning = isset($_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup']) && $_GET['IKnowThatThisIsABigInstanceAndTheUpdateRequestCouldRunIntoATimeoutAndHowToRestoreABackup'] === 'IAmSuperSureToDoThis'; if ($disableWebUpdater || ($tooBig && !$ignoreTooBigWarning)) { // send http status 503 http_response_code(503); header('Retry-After: 120'); // render error page $template = new OC_Template('', 'update.use-cli', 'guest'); $template->assign('productName', 'nextcloud'); // for now $template->assign('version', OC_Util::getVersionString()); $template->assign('tooBig', $tooBig); $template->printPage(); die(); } // check whether this is a core update or apps update $installedVersion = $systemConfig->getValue('version', '0.0.0'); $currentVersion = implode('.', \OCP\Util::getVersion()); // if not a core upgrade, then it's apps upgrade $isAppsOnlyUpgrade = version_compare($currentVersion, $installedVersion, '='); $oldTheme = $systemConfig->getValue('theme'); $systemConfig->setValue('theme', ''); OC_Util::addScript('update'); /** @var \OC\App\AppManager $appManager */ $appManager = \OC::$server->getAppManager(); $tmpl = new OC_Template('', 'update.admin', 'guest'); $tmpl->assign('version', OC_Util::getVersionString()); $tmpl->assign('isAppsOnlyUpgrade', $isAppsOnlyUpgrade); // get third party apps $ocVersion = \OCP\Util::getVersion(); $ocVersion = implode('.', $ocVersion); $incompatibleApps = $appManager->getIncompatibleApps($ocVersion); $incompatibleShippedApps = []; foreach ($incompatibleApps as $appInfo) { if ($appManager->isShipped($appInfo['id'])) { $incompatibleShippedApps[] = $appInfo['name'] . ' (' . $appInfo['id'] . ')'; } } if (!empty($incompatibleShippedApps)) { $l = \OC::$server->getL10N('core'); $hint = $l->t('The files of the app %1$s were not replaced correctly. Make sure it is a version compatible with the server.', [implode(', ', $incompatibleShippedApps)]); throw new \OC\HintException('The files of the app ' . implode(', ', $incompatibleShippedApps) . ' were not replaced correctly. Make sure it is a version compatible with the server.', $hint); } $tmpl->assign('appsToUpgrade', $appManager->getAppsNeedingUpgrade($ocVersion)); $tmpl->assign('incompatibleAppsList', $incompatibleApps); try { $defaults = new \OC_Defaults(); $tmpl->assign('productName', $defaults->getName()); } catch (Throwable $error) { $tmpl->assign('productName', 'Nextcloud'); } $tmpl->assign('oldTheme', $oldTheme); $tmpl->printPage(); } public static function initSession() { if (self::$server->getRequest()->getServerProtocol() === 'https') { ini_set('session.cookie_secure', 'true'); } // prevents javascript from accessing php session cookies ini_set('session.cookie_httponly', 'true'); // set the cookie path to the Nextcloud directory $cookie_path = OC::$WEBROOT ? : '/'; ini_set('session.cookie_path', $cookie_path); // Let the session name be changed in the initSession Hook $sessionName = OC_Util::getInstanceId(); try { // set the session name to the instance id - which is unique $session = new \OC\Session\Internal($sessionName); $cryptoWrapper = \OC::$server->getSessionCryptoWrapper(); $session = $cryptoWrapper->wrapSession($session); self::$server->setSession($session); // if session can't be started break with http 500 error } catch (Exception $e) { \OC::$server->getLogger()->logException($e, ['app' => 'base']); //show the user a detailed error page OC_Template::printExceptionErrorPage($e, 500); die(); } $sessionLifeTime = self::getSessionLifeTime(); // session timeout if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) { if (isset($_COOKIE[session_name()])) { setcookie(session_name(), '', -1, self::$WEBROOT ? : '/'); } \OC::$server->getUserSession()->logout(); } $session->set('LAST_ACTIVITY', time()); } /** * @return string */ private static function getSessionLifeTime() { return \OC::$server->getConfig()->getSystemValue('session_lifetime', 60 * 60 * 24); } /** * Try to set some values to the required Nextcloud default */ public static function setRequiredIniValues() { @ini_set('default_charset', 'UTF-8'); @ini_set('gd.jpeg_ignore_warning', '1'); } /** * Send the same site cookies */ private static function sendSameSiteCookies() { $cookieParams = session_get_cookie_params(); $secureCookie = ($cookieParams['secure'] === true) ? 'secure; ' : ''; $policies = [ 'lax', 'strict', ]; // Append __Host to the cookie if it meets the requirements $cookiePrefix = ''; if ($cookieParams['secure'] === true && $cookieParams['path'] === '/') { $cookiePrefix = '__Host-'; } foreach ($policies as $policy) { header( sprintf( 'Set-Cookie: %snc_sameSiteCookie%s=true; path=%s; httponly;' . $secureCookie . 'expires=Fri, 31-Dec-2100 23:59:59 GMT; SameSite=%s', $cookiePrefix, $policy, $cookieParams['path'], $policy ), false ); } } /** * Same Site cookie to further mitigate CSRF attacks. This cookie has to * be set in every request if cookies are sent to add a second level of * defense against CSRF. * * If the cookie is not sent this will set the cookie and reload the page. * We use an additional cookie since we want to protect logout CSRF and * also we can't directly interfere with PHP's session mechanism. */ private static function performSameSiteCookieProtection(\OCP\IConfig $config) { $request = \OC::$server->getRequest(); // Some user agents are notorious and don't really properly follow HTTP // specifications. For those, have an automated opt-out. Since the protection // for remote.php is applied in base.php as starting point we need to opt out // here. $incompatibleUserAgents = $config->getSystemValue('csrf.optout'); // Fallback, if csrf.optout is unset if (!is_array($incompatibleUserAgents)) { $incompatibleUserAgents = [ // OS X Finder '/^WebDAVFS/', // Windows webdav drive '/^Microsoft-WebDAV-MiniRedir/', ]; } if ($request->isUserAgent($incompatibleUserAgents)) { return; } if (count($_COOKIE) > 0) { $requestUri = $request->getScriptName(); $processingScript = explode('/', $requestUri); $processingScript = $processingScript[count($processingScript) - 1]; // index.php routes are handled in the middleware if ($processingScript === 'index.php') { return; } // All other endpoints require the lax and the strict cookie if (!$request->passesStrictCookieCheck()) { self::sendSameSiteCookies(); // Debug mode gets access to the resources without strict cookie // due to the fact that the SabreDAV browser also lives there. if (!$config->getSystemValue('debug', false)) { http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE); exit(); } } } elseif (!isset($_COOKIE['nc_sameSiteCookielax']) || !isset($_COOKIE['nc_sameSiteCookiestrict'])) { self::sendSameSiteCookies(); } } public static function init() { // calculate the root directories OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4)); // register autoloader $loaderStart = microtime(true); require_once __DIR__ . '/autoloader.php'; self::$loader = new \OC\Autoloader([ OC::$SERVERROOT . '/lib/private/legacy', ]); if (defined('PHPUNIT_RUN')) { self::$loader->addValidRoot(OC::$SERVERROOT . '/tests'); } spl_autoload_register([self::$loader, 'load']); $loaderEnd = microtime(true); self::$CLI = (php_sapi_name() == 'cli'); // Add default composer PSR-4 autoloader self::$composerAutoloader = require_once OC::$SERVERROOT . '/lib/composer/autoload.php'; try { self::initPaths(); // setup 3rdparty autoloader $vendorAutoLoad = OC::$SERVERROOT. '/3rdparty/autoload.php'; if (!file_exists($vendorAutoLoad)) { throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty". Running "git submodule update --init" will initialize the git submodule that handles the subfolder "3rdparty".'); } require_once $vendorAutoLoad; } catch (\RuntimeException $e) { if (!self::$CLI) { http_response_code(503); } // we can't use the template error page here, because this needs the // DI container which isn't available yet print($e->getMessage()); exit(); } // setup the basic server self::$server = new \OC\Server(\OC::$WEBROOT, self::$config); self::$server->boot(); $eventLogger = \OC::$server->getEventLogger(); $eventLogger->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd); $eventLogger->start('boot', 'Initialize'); // Override php.ini and log everything if we're troubleshooting if (self::$config->getValue('loglevel') === ILogger::DEBUG) { error_reporting(E_ALL); } // Don't display errors and log them @ini_set('display_errors', '0'); @ini_set('log_errors', '1'); if (!date_default_timezone_set('UTC')) { throw new \RuntimeException('Could not set timezone to UTC'); } //try to configure php to enable big file uploads. //this doesn´t work always depending on the webserver and php configuration. //Let´s try to overwrite some defaults anyway //try to set the maximum execution time to 60min if (strpos(@ini_get('disable_functions'), 'set_time_limit') === false) { @set_time_limit(3600); } @ini_set('max_execution_time', '3600'); @ini_set('max_input_time', '3600'); self::setRequiredIniValues(); self::handleAuthHeaders(); $systemConfig = \OC::$server->get(\OC\SystemConfig::class); self::registerAutoloaderCache($systemConfig); // initialize intl fallback if necessary OC_Util::isSetLocaleWorking(); $config = \OC::$server->get(\OCP\IConfig::class); if (!defined('PHPUNIT_RUN')) { OC\Log\ErrorHandler::setLogger(\OC::$server->getLogger()); $debug = $config->getSystemValue('debug', false); OC\Log\ErrorHandler::register($debug); } /** @var \OC\AppFramework\Bootstrap\Coordinator $bootstrapCoordinator */ $bootstrapCoordinator = \OC::$server->query(\OC\AppFramework\Bootstrap\Coordinator::class); $bootstrapCoordinator->runInitialRegistration(); $eventLogger->start('init_session', 'Initialize session'); OC_App::loadApps(['session']); if (!self::$CLI) { self::initSession(); } $eventLogger->end('init_session'); self::checkConfig(); self::checkInstalled($systemConfig); OC_Response::addSecurityHeaders(); self::performSameSiteCookieProtection($config); if (!defined('OC_CONSOLE')) { $errors = OC_Util::checkServer($systemConfig); if (count($errors) > 0) { if (!self::$CLI) { http_response_code(503); OC_Util::addStyle('guest'); try { OC_Template::printGuestPage('', 'error', ['errors' => $errors]); exit; } catch (\Exception $e) { // In case any error happens when showing the error page, we simply fall back to posting the text. // This might be the case when e.g. the data directory is broken and we can not load/write SCSS to/from it. } } // Convert l10n string into regular string for usage in database $staticErrors = []; foreach ($errors as $error) { echo $error['error'] . "\n"; echo $error['hint'] . "\n\n"; $staticErrors[] = [ 'error' => (string)$error['error'], 'hint' => (string)$error['hint'], ]; } try { $config->setAppValue('core', 'cronErrors', json_encode($staticErrors)); } catch (\Exception $e) { echo('Writing to database failed'); } exit(1); } elseif (self::$CLI && $config->getSystemValue('installed', false)) { $config->deleteAppValue('core', 'cronErrors'); } } //try to set the session lifetime $sessionLifeTime = self::getSessionLifeTime(); @ini_set('gc_maxlifetime', (string)$sessionLifeTime); // User and Groups if (!$systemConfig->getValue("installed", false)) { self::$server->getSession()->set('user_id', ''); } OC_User::useBackend(new \OC\User\Database()); \OC::$server->getGroupManager()->addBackend(new \OC\Group\Database()); // Subscribe to the hook \OCP\Util::connectHook( '\OCA\Files_Sharing\API\Server2Server', 'preLoginNameUsedAsUserName', '\OC\User\Database', 'preLoginNameUsedAsUserName' ); //setup extra user backends if (!\OCP\Util::needUpgrade()) { OC_User::setupBackends(); } else { // Run upgrades in incognito mode OC_User::setIncognitoMode(true); } self::registerCleanupHooks($systemConfig); self::registerFilesystemHooks(); self::registerShareHooks($systemConfig); self::registerEncryptionWrapperAndHooks(); self::registerAccountHooks(); self::registerResourceCollectionHooks(); self::registerAppRestrictionsHooks(); // Make sure that the application class is not loaded before the database is setup if ($systemConfig->getValue("installed", false)) { OC_App::loadApp('settings'); } //make sure temporary files are cleaned up $tmpManager = \OC::$server->getTempManager(); register_shutdown_function([$tmpManager, 'clean']); $lockProvider = \OC::$server->getLockingProvider(); register_shutdown_function([$lockProvider, 'releaseAll']); // Check whether the sample configuration has been copied if ($systemConfig->getValue('copied_sample_config', false)) { $l = \OC::$server->getL10N('lib'); OC_Template::printErrorPage( $l->t('Sample configuration detected'), $l->t('It has been detected that the sample configuration has been copied. This can break your installation and is unsupported. Please read the documentation before performing changes on config.php'), 503 ); return; } $request = \OC::$server->getRequest(); $host = $request->getInsecureServerHost(); /** * if the host passed in headers isn't trusted * FIXME: Should not be in here at all :see_no_evil: */ if (!OC::$CLI && !\OC::$server->getTrustedDomainHelper()->isTrustedDomain($host) && $config->getSystemValue('installed', false) ) { // Allow access to CSS resources $isScssRequest = false; if (strpos($request->getPathInfo(), '/css/') === 0) { $isScssRequest = true; } if (substr($request->getRequestUri(), -11) === '/status.php') { http_response_code(400); header('Content-Type: application/json'); echo '{"error": "Trusted domain error.", "code": 15}'; exit(); } if (!$isScssRequest) { http_response_code(400); \OC::$server->getLogger()->info( 'Trusted domain error. "{remoteAddress}" tried to access using "{host}" as host.', [ 'app' => 'core', 'remoteAddress' => $request->getRemoteAddress(), 'host' => $host, ] ); $tmpl = new OCP\Template('core', 'untrustedDomain', 'guest'); $tmpl->assign('docUrl', \OC::$server->getURLGenerator()->linkToDocs('admin-trusted-domains')); $tmpl->printPage(); exit(); } } $eventLogger->end('boot'); } /** * register hooks for the cleanup of cache and bruteforce protection */ public static function registerCleanupHooks(\OC\SystemConfig $systemConfig) { //don't try to do this before we are properly setup if ($systemConfig->getValue('installed', false) && !\OCP\Util::needUpgrade()) { // NOTE: This will be replaced to use OCP $userSession = self::$server->getUserSession(); $userSession->listen('\OC\User', 'postLogin', function () use ($userSession) { if (!defined('PHPUNIT_RUN') && $userSession->isLoggedIn()) { // reset brute force delay for this IP address and username $uid = \OC::$server->getUserSession()->getUser()->getUID(); $request = \OC::$server->getRequest(); $throttler = \OC::$server->getBruteForceThrottler(); $throttler->resetDelay($request->getRemoteAddress(), 'login', ['user' => $uid]); } try { $cache = new \OC\Cache\File(); $cache->gc(); } catch (\OC\ServerNotAvailableException $e) { // not a GC exception, pass it on throw $e; } catch (\OC\ForbiddenException $e) { // filesystem blocked for this request, ignore } catch (\Exception $e) { // a GC exception should not prevent users from using OC, // so log the exception \OC::$server->getLogger()->logException($e, [ 'message' => 'Exception when running cache gc.', 'level' => ILogger::WARN, 'app' => 'core', ]); } }); } } private static function registerEncryptionWrapperAndHooks() { $manager = self::$server->getEncryptionManager(); \OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage'); $enabled = $manager->isEnabled(); if ($enabled) { \OCP\Util::connectHook(Share::class, 'post_shared', HookManager::class, 'postShared'); \OCP\Util::connectHook(Share::class, 'post_unshare', HookManager::class, 'postUnshared'); \OCP\Util::connectHook('OC_Filesystem', 'post_rename', HookManager::class, 'postRename'); \OCP\Util::connectHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', HookManager::class, 'postRestore'); } } private static function registerAccountHooks() { $hookHandler = \OC::$server->get(\OC\Accounts\Hooks::class); \OCP\Util::connectHook('OC_User', 'changeUser', $hookHandler, 'changeUserHook'); } private static function registerAppRestrictionsHooks() { /** @var \OC\Group\Manager $groupManager */ $groupManager = self::$server->query(\OCP\IGroupManager::class); $groupManager->listen('\OC\Group', 'postDelete', function (\OCP\IGroup $group) { $appManager = self::$server->getAppManager(); $apps = $appManager->getEnabledAppsForGroup($group); foreach ($apps as $appId) { $restrictions = $appManager->getAppRestriction($appId); if (empty($restrictions)) { continue; } $key = array_search($group->getGID(), $restrictions); unset($restrictions[$key]); $restrictions = array_values($restrictions); if (empty($restrictions)) { $appManager->disableApp($appId); } else { $appManager->enableAppForGroups($appId, $restrictions); } } }); } private static function registerResourceCollectionHooks() { \OC\Collaboration\Resources\Listener::register(\OC::$server->getEventDispatcher()); } /** * register hooks for the filesystem */ public static function registerFilesystemHooks() { // Check for blacklisted files OC_Hook::connect('OC_Filesystem', 'write', Filesystem::class, 'isBlacklisted'); OC_Hook::connect('OC_Filesystem', 'rename', Filesystem::class, 'isBlacklisted'); } /** * register hooks for sharing */ public static function registerShareHooks(\OC\SystemConfig $systemConfig) { if ($systemConfig->getValue('installed')) { OC_Hook::connect('OC_User', 'post_deleteUser', Hooks::class, 'post_deleteUser'); OC_Hook::connect('OC_User', 'post_deleteGroup', Hooks::class, 'post_deleteGroup'); /** @var IEventDispatcher $dispatcher */ $dispatcher = \OC::$server->get(IEventDispatcher::class); $dispatcher->addServiceListener(UserRemovedEvent::class, \OC\Share20\UserRemovedListener::class); } } protected static function registerAutoloaderCache(\OC\SystemConfig $systemConfig) { // The class loader takes an optional low-latency cache, which MUST be // namespaced. The instanceid is used for namespacing, but might be // unavailable at this point. Furthermore, it might not be possible to // generate an instanceid via \OC_Util::getInstanceId() because the // config file may not be writable. As such, we only register a class // loader cache if instanceid is available without trying to create one. $instanceId = $systemConfig->getValue('instanceid', null); if ($instanceId) { try { $memcacheFactory = \OC::$server->getMemCacheFactory(); self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader')); } catch (\Exception $ex) { } } } /** * Handle the request */ public static function handleRequest() { \OC::$server->getEventLogger()->start('handle_request', 'Handle request'); $systemConfig = \OC::$server->getSystemConfig(); // Check if Nextcloud is installed or in maintenance (update) mode if (!$systemConfig->getValue('installed', false)) { \OC::$server->getSession()->clear(); $setupHelper = new OC\Setup( $systemConfig, \OC::$server->get(\bantu\IniGetWrapper\IniGetWrapper::class), \OC::$server->getL10N('lib'), \OC::$server->query(\OCP\Defaults::class), \OC::$server->get(\Psr\Log\LoggerInterface::class), \OC::$server->getSecureRandom(), \OC::$server->query(\OC\Installer::class) ); $controller = new OC\Core\Controller\SetupController($setupHelper); $controller->run($_POST); exit(); } $request = \OC::$server->getRequest(); $requestPath = $request->getRawPathInfo(); if ($requestPath === '/heartbeat') { return; } if (substr($requestPath, -3) !== '.js') { // we need these files during the upgrade self::checkMaintenanceMode($systemConfig); if (\OCP\Util::needUpgrade()) { if (function_exists('opcache_reset')) { opcache_reset(); } if (!((bool) $systemConfig->getValue('maintenance', false))) { self::printUpgradePage($systemConfig); exit(); } } } // emergency app disabling if ($requestPath === '/disableapp' && $request->getMethod() === 'POST' && ((array)$request->getParam('appid')) !== '' ) { \OC_JSON::callCheck(); \OC_JSON::checkAdminUser(); $appIds = (array)$request->getParam('appid'); foreach ($appIds as $appId) { $appId = \OC_App::cleanAppId($appId); \OC::$server->getAppManager()->disableApp($appId); } \OC_JSON::success(); exit(); } // Always load authentication apps OC_App::loadApps(['authentication']); // Load minimum set of apps if (!\OCP\Util::needUpgrade() && !((bool) $systemConfig->getValue('maintenance', false))) { // For logged-in users: Load everything if (\OC::$server->getUserSession()->isLoggedIn()) { OC_App::loadApps(); } else { // For guests: Load only filesystem and logging OC_App::loadApps(['filesystem', 'logging']); self::handleLogin($request); } } if (!self::$CLI) { try { if (!((bool) $systemConfig->getValue('maintenance', false)) && !\OCP\Util::needUpgrade()) { OC_App::loadApps(['filesystem', 'logging']); OC_App::loadApps(); } OC::$server->get(\OC\Route\Router::class)->match($request->getRawPathInfo()); return; } catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) { //header('HTTP/1.0 404 Not Found'); } catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) { http_response_code(405); return; } } // Handle WebDAV if (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PROPFIND') { // not allowed any more to prevent people // mounting this root directly. // Users need to mount remote.php/webdav instead. http_response_code(405); return; } // Someone is logged in if (\OC::$server->getUserSession()->isLoggedIn()) { OC_App::loadApps(); OC_User::setupBackends(); OC_Util::setupFS(); // FIXME // Redirect to default application OC_Util::redirectToDefaultPage(); } else { // Not handled and not logged in header('Location: '.\OC::$server->getURLGenerator()->linkToRouteAbsolute('core.login.showLoginForm')); } } /** * Check login: apache auth, auth token, basic auth * * @param OCP\IRequest $request * @return boolean */ public static function handleLogin(OCP\IRequest $request) { $userSession = self::$server->getUserSession(); if (OC_User::handleApacheAuth()) { return true; } if ($userSession->tryTokenLogin($request)) { return true; } if (isset($_COOKIE['nc_username']) && isset($_COOKIE['nc_token']) && isset($_COOKIE['nc_session_id']) && $userSession->loginWithCookie($_COOKIE['nc_username'], $_COOKIE['nc_token'], $_COOKIE['nc_session_id'])) { return true; } if ($userSession->tryBasicAuthLogin($request, \OC::$server->getBruteForceThrottler())) { return true; } return false; } protected static function handleAuthHeaders() { //copy http auth headers for apache+php-fcgid work around if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) { $_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION']; } // Extract PHP_AUTH_USER/PHP_AUTH_PW from other headers if necessary. $vars = [ 'HTTP_AUTHORIZATION', // apache+php-cgi work around 'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative ]; foreach ($vars as $var) { if (isset($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) { $credentials = explode(':', base64_decode($matches[1]), 2); if (count($credentials) === 2) { $_SERVER['PHP_AUTH_USER'] = $credentials[0]; $_SERVER['PHP_AUTH_PW'] = $credentials[1]; break; } } } } } OC::init();