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base.php
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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Adam Williamson <[email protected]>
* @author Andreas Fischer <[email protected]>
* @author Arthur Schiwon <[email protected]>
* @author Bart Visscher <[email protected]>
* @author Bernhard Posselt <[email protected]>
* @author Bjoern Schiessle <[email protected]>
* @author Björn Schießle <[email protected]>
* @author Christoph Wurst <[email protected]>
* @author Damjan Georgievski <[email protected]>
* @author davidgumberg <[email protected]>
* @author Florin Peter <[email protected]>
* @author Individual IT Services <[email protected]>
* @author Jakob Sack <[email protected]>
* @author Jan-Christoph Borchardt <[email protected]>
* @author Joachim Sokolowski <[email protected]>
* @author Joas Schilling <[email protected]>
* @author John Molakvoæ (skjnldsv) <[email protected]>
* @author Juan Pablo Villafáñez <[email protected]>
* @author Jörn Friedrich Dreyer <[email protected]>
* @author Ko- <[email protected]>
* @author Lukas Reschke <[email protected]>
* @author Michael Gapczynski <[email protected]>
* @author Morris Jobke <[email protected]>
* @author Owen Winkler <[email protected]>
* @author Phil Davis <[email protected]>
* @author Ramiro Aparicio <[email protected]>
* @author Robin Appelman <[email protected]>
* @author Robin McCorkell <[email protected]>
* @author Roeland Jago Douma <[email protected]>
* @author Sebastian Wessalowski <[email protected]>
* @author Stefan Weil <[email protected]>
* @author Thomas Müller <[email protected]>
* @author Thomas Tanghus <[email protected]>
* @author Vincent Petry <[email protected]>
* @author Volkan Gezer <[email protected]>
*
* @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 <http://www.gnu.org/licenses/>
*
*/
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 = array();
/**
* 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 = array();
/**
* @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, null, 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', array());
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::$APPSROOTS[] = array('path' => OC::$SERVERROOT . '/apps', 'url' => '/apps', 'writable' => true);
} elseif (file_exists(OC::$SERVERROOT . '/../apps')) {
OC::$APPSROOTS[] = array(
'path' => rtrim(dirname(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'
. ' or the folder above. You can also configure the location in the config.php file.');
}
$paths = array();
foreach (OC::$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 or the folder above. 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 $l->t('See %s', [ $urlGenerator->linkToDocs('admin-dir_permissions') ])."\n";
echo "\n";
echo $l->t('Or, 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. See %s',
[ $urlGenerator->linkToDocs('admin-dir_permissions') ]) . '. '
. $l->t('Or, if you prefer to keep config.php file read only, set the option "config_is_read_only" to true in it. See %s',
[ $urlGenerator->linkToDocs('admin-config') ] ),
503
);
}
}
}
public static function checkInstalled() {
if (defined('OC_CONSOLE')) {
return;
}
// Redirect to installer if not installed
if (!\OC::$server->getSystemConfig()->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: ' . $url);
}
exit();
}
}
public static function checkMaintenanceMode() {
// Allow ajax update script to execute without being stopped
if (\OC::$server->getSystemConfig()->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('maintenance-check');
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 = $qb->selectAlias($qb->createFunction('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 = $qb->selectAlias($qb->createFunction('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('config'); // needed for web root
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 %$1s 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);
$tmpl->assign('productName', 'Nextcloud'); // for now
$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 {
// Allow session apps to create a custom session object
$useCustomSession = false;
$session = self::$server->getSession();
OC_Hook::emit('OC', 'initSession', array('session' => &$session, 'sessionName' => &$sessionName, 'useCustomSession' => &$useCustomSession));
if (!$useCustomSession) {
// 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);
}
public static function loadAppClassPaths() {
foreach (OC_App::getEnabledApps() as $app) {
$appPath = OC_App::getAppPath($app);
if ($appPath === false) {
continue;
}
$file = $appPath . '/appinfo/classpath.php';
if (file_exists($file)) {
require_once $file;
}
}
}
/**
* 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() {
$request = \OC::$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.
$incompatibleUserAgents = \OC::$server->getConfig()->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(!\OC::$server->getConfig()->getSystemValue('debug', false)) {
http_response_code(\OCP\AppFramework\Http::STATUS_SERVICE_UNAVAILABLE);
exit();
}
}
} elseif(!isset($_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::$SERVERROOT . '/tests');
}
spl_autoload_register(array(self::$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);
\OC::$server->getEventLogger()->log('autoloader', 'Autoloader', $loaderStart, $loaderEnd);
\OC::$server->getEventLogger()->start('boot', 'Initialize');
// Don't display errors and log them
error_reporting(E_ALL | E_STRICT);
@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');
//try to set the maximum filesize to 10G
@ini_set('upload_max_filesize', '10G');
@ini_set('post_max_size', '10G');
@ini_set('file_uploads', '50');
self::setRequiredIniValues();
self::handleAuthHeaders();
self::registerAutoloaderCache();
// initialize intl fallback is necessary
\Patchwork\Utf8\Bootup::initIntl();
OC_Util::isSetLocaleWorking();
if (!defined('PHPUNIT_RUN')) {
OC\Log\ErrorHandler::setLogger(\OC::$server->getLogger());
$debug = \OC::$server->getConfig()->getSystemValue('debug', false);
OC\Log\ErrorHandler::register($debug);
}
\OC::$server->getEventLogger()->start('init_session', 'Initialize session');
OC_App::loadApps(array('session'));
if (!self::$CLI) {
self::initSession();
}
\OC::$server->getEventLogger()->end('init_session');
self::checkConfig();
self::checkInstalled();
OC_Response::addSecurityHeaders();
self::performSameSiteCookieProtection();
if (!defined('OC_CONSOLE')) {
$errors = OC_Util::checkServer(\OC::$server->getSystemConfig());
if (count($errors) > 0) {
if (self::$CLI) {
// 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)$error['hint'],
];
}
try {
\OC::$server->getConfig()->setAppValue('core', 'cronErrors', json_encode($staticErrors));
} catch (\Exception $e) {
echo('Writing to database failed');
}
exit(1);
} else {
http_response_code(503);
OC_Util::addStyle('guest');
OC_Template::printGuestPage('', 'error', array('errors' => $errors));
exit;
}
} elseif (self::$CLI && \OC::$server->getConfig()->getSystemValue('installed', false)) {
\OC::$server->getConfig()->deleteAppValue('core', 'cronErrors');
}
}
//try to set the session lifetime
$sessionLifeTime = self::getSessionLifeTime();
@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
$systemConfig = \OC::$server->getSystemConfig();
// User and Groups
if (!$systemConfig->getValue("installed", false)) {
self::$server->getSession()->set('user_id', '');
}
OC_User::useBackend(new \OC\User\Database());
\OC::$server->getGroupManager()->addBackend(new \OC\Group\Database());
// Subscribe to the hook
\OCP\Util::connectHook(
'\OCA\Files_Sharing\API\Server2Server',
'preLoginNameUsedAsUserName',
'\OC\User\Database',
'preLoginNameUsedAsUserName'
);
//setup extra user backends
if (!\OCP\Util::needUpgrade()) {
OC_User::setupBackends();
} else {
// Run upgrades in incognito mode
OC_User::setIncognitoMode(true);
}
self::registerCleanupHooks();
self::registerFilesystemHooks();
self::registerShareHooks();
self::registerEncryptionWrapper();
self::registerEncryptionHooks();
self::registerAccountHooks();
// Make sure that the application class is not loaded before the database is setup
if ($systemConfig->getValue("installed", false)) {
$settings = new \OC\Settings\Application();
$settings->register();
}
//make sure temporary files are cleaned up
$tmpManager = \OC::$server->getTempManager();
register_shutdown_function(array($tmpManager, 'clean'));
$lockProvider = \OC::$server->getLockingProvider();
register_shutdown_function(array($lockProvider, 'releaseAll'));
// Check whether the sample configuration has been copied
if($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
// overwritehost is always trusted, workaround to not have to make
// \OC\AppFramework\Http\Request::getOverwriteHost public
&& self::$server->getConfig()->getSystemValue('overwritehost') === ''
&& !\OC::$server->getTrustedDomainHelper()->isTrustedDomain($host)
&& self::$server->getConfig()->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'));
$tmpl->printPage();
exit();
}
}
\OC::$server->getEventLogger()->end('boot');
}
/**
* register hooks for the cleanup of cache and bruteforce protection
*/
public static function registerCleanupHooks() {
//don't try to do this before we are properly setup
if (\OC::$server->getSystemConfig()->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')) {
// 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 registerEncryptionWrapper() {
$manager = self::$server->getEncryptionManager();
\OCP\Util::connectHook('OC_Filesystem', 'preSetup', $manager, 'setupStorage');
}
private static function registerEncryptionHooks() {
$enabled = self::$server->getEncryptionManager()->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() {
$hookHandler = new \OC\Accounts\Hooks(\OC::$server->getLogger());
\OCP\Util::connectHook('OC_User', 'changeUser', $hookHandler, 'changeUserHook');
}
/**
* register hooks for the filesystem
*/
public static function registerFilesystemHooks() {
// Check for blacklisted files
OC_Hook::connect('OC_Filesystem', 'write', Filesystem::class, 'isBlacklisted');
OC_Hook::connect('OC_Filesystem', 'rename', Filesystem::class, 'isBlacklisted');
}
/**
* register hooks for sharing
*/
public static function registerShareHooks() {
if (\OC::$server->getSystemConfig()->getValue('installed')) {
OC_Hook::connect('OC_User', 'post_deleteUser', Hooks::class, 'post_deleteUser');
OC_Hook::connect('OC_User', 'post_removeFromGroup', Hooks::class, 'post_removeFromGroup');
OC_Hook::connect('OC_User', 'post_deleteGroup', Hooks::class, 'post_deleteGroup');
}
}
protected static function registerAutoloaderCache() {
// 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.
$instanceId = \OC::$server->getSystemConfig()->getValue('instanceid', null);
if ($instanceId) {
try {
$memcacheFactory = \OC::$server->getMemCacheFactory();
self::$loader->setMemoryCache($memcacheFactory->createLocal('Autoloader'));
} catch (\Exception $ex) {
}
self::$composerAutoloader->setApcuPrefix($instanceId . '-mainComposer');
}
}
/**
* Handle the request
*/
public static function handleRequest() {
\OC::$server->getEventLogger()->start('handle_request', 'Handle request');
$systemConfig = \OC::$server->getSystemConfig();
// load all the classpaths from the enabled apps so they are available
// in the routing files of each app
OC::loadAppClassPaths();
// 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->getIniWrapper(),
\OC::$server->getL10N('lib'),
\OC::$server->query(\OCP\Defaults::class),
\OC::$server->getLogger(),
\OC::$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($requestPath, -3) !== '.js') { // we need these files during the upgrade
self::checkMaintenanceMode();
if (\OCP\Util::needUpgrade()) {
if (function_exists('opcache_reset')) {
opcache_reset();
}
if (!$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()
&& !$systemConfig->getValue('maintenance', false)) {
// For logged-in users: Load everything
if(\OC::$server->getUserSession()->isLoggedIn()) {
OC_App::loadApps();
} else {
// For guests: Load only filesystem and logging
OC_App::loadApps(array('filesystem', 'logging'));
self::handleLogin($request);
}
}
if (!self::$CLI) {
try {
if (!$systemConfig->getValue('maintenance', false) && !\OCP\Util::needUpgrade()) {
OC_App::loadApps(array('filesystem', 'logging'));
OC_App::loadApps();
}
OC_Util::setupFS();
OC::$server->getRouter()->match(\OC::$server->getRequest()->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') {