nextcloud/lib/base.php

1095 lines
37 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?php
/**
* @author Adam Williamson <awilliam@redhat.com>
* @author Andreas Fischer <bantu@owncloud.com>
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Bernhard Posselt <dev@bernhard-posselt.com>
* @author Björn Schießle <schiessle@owncloud.com>
* @author Christopher Schäpers <kondou@ts.unde.re>
* @author davidgumberg <davidnoizgumberg@gmail.com>
* @author Florian Scholz <FlorianScholz@bgstyle.de>
* @author Florin Peter <github@florin-peter.de>
* @author Frank Karlitschek <frank@owncloud.org>
* @author Georg Ehrke <georg@owncloud.com>
* @author Georg Ehrke <georg@ownCloud.com>
* @author Jakob Sack <mail@jakobsack.de>
* @author Jan-Christoph Borchardt <hey@jancborchardt.net>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@owncloud.com>
* @author marc0s <marcos@tenak.net>
* @author Michael Gapczynski <GapczynskiM@gmail.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Owen Winkler <a_github@midnightcircus.com>
* @author Ramiro Aparicio <rapariciog@gmail.com>
* @author Robin Appelman <icewind@owncloud.com>
* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
* @author scolebrook <scolebrook@mac.com>
* @author Stefan Herbrechtsmeier <stefan@herbrechtsmeier.net>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Thomas Tanghus <thomas@tanghus.net>
* @author Victor Dubiniuk <dubiniuk@owncloud.com>
* @author Vincent Petry <pvince81@owncloud.com>
* @author Volkan Gezer <volkangezer@gmail.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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/>
*
*/
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 owncloud on the server (e.g. /srv/http/owncloud)
*/
public static $SERVERROOT = '';
/**
* the current request path relative to the owncloud root (e.g. files/index.php)
*/
private static $SUBURI = '';
/**
* the owncloud root path for http requests (e.g. owncloud/)
*/
public static $WEBROOT = '';
/**
* The installation path of the 3rdparty folder on the server (e.g. /srv/http/owncloud/3rdparty)
*/
public static $THIRDPARTYROOT = '';
/**
* the root path of the 3rdparty folder for http requests (e.g. owncloud/3rdparty)
*/
public static $THIRDPARTYWEBROOT = '';
/**
* The installation path array of the apps folder on the server (e.g. /srv/http/owncloud) 'path' and
* web path in 'url'
*/
public static $APPSROOTS = array();
public static $configDir;
/**
* requested app
*/
public static $REQUESTEDAPP = '';
/**
* check if ownCloud runs in cli mode
*/
public static $CLI = false;
/**
* @var \OC\Autoloader $loader
*/
public static $loader = null;
/**
* @var \OC\Server
*/
public static $server = null;
/**
* @throws \RuntimeException when the 3rdparty directory is missing or
* the app path list is empty or contains an invalid path
*/
public static function initPaths() {
// calculate the root directories
OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
// ensure we can find OC_Config
set_include_path(
OC::$SERVERROOT . '/lib' . PATH_SEPARATOR .
get_include_path()
);
if(defined('PHPUNIT_CONFIG_DIR')) {
self::$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/';
} else {
self::$configDir = OC::$SERVERROOT . '/config/';
}
OC_Config::$object = new \OC\Config(self::$configDir);
OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"]), strlen(OC::$SERVERROOT)));
/**
* FIXME: The following line is required because of a cyclic dependency
* on IRequest.
*/
$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()));
$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::$WEBROOT = OC_Config::getValue('overwritewebroot', '');
} else {
if (substr($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::$WEBROOT = OC_Config::getValue('overwritewebroot', '');
}
}
// search the 3rdparty folder
OC::$THIRDPARTYROOT = OC_Config::getValue('3rdpartyroot', null);
OC::$THIRDPARTYWEBROOT = OC_Config::getValue('3rdpartyurl', null);
if (empty(OC::$THIRDPARTYROOT) && empty(OC::$THIRDPARTYWEBROOT)) {
if (file_exists(OC::$SERVERROOT . '/3rdparty')) {
OC::$THIRDPARTYROOT = OC::$SERVERROOT;
OC::$THIRDPARTYWEBROOT = OC::$WEBROOT;
} elseif (file_exists(OC::$SERVERROOT . '/../3rdparty')) {
OC::$THIRDPARTYWEBROOT = rtrim(dirname(OC::$WEBROOT), '/');
OC::$THIRDPARTYROOT = rtrim(dirname(OC::$SERVERROOT), '/');
}
}
if (empty(OC::$THIRDPARTYROOT) || !file_exists(OC::$THIRDPARTYROOT)) {
throw new \RuntimeException('3rdparty directory not found! Please put the ownCloud 3rdparty'
. ' folder in the ownCloud folder or the folder above.'
. ' You can also configure the location in the config.php file.');
}
// search the apps folder
$config_paths = OC_Config::getValue('apps_paths', array());
if (!empty($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 ownCloud apps folder in the ownCloud 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 ownCloud apps folder in the'
. ' ownCloud folder or the folder above. You can also configure the location in the'
. ' config.php file.', $path['path']));
}
}
// set the right include path
set_include_path(
OC::$SERVERROOT . '/lib/private' . PATH_SEPARATOR .
OC::$SERVERROOT . '/config' . PATH_SEPARATOR .
OC::$THIRDPARTYROOT . '/3rdparty' . PATH_SEPARATOR .
implode(PATH_SEPARATOR, $paths) . PATH_SEPARATOR .
get_include_path() . PATH_SEPARATOR .
OC::$SERVERROOT
);
}
public static function checkConfig() {
$l = \OC::$server->getL10N('lib');
// Create config in case it does not already exists
$configFilePath = self::$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()) {
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('See %s', array(\OC_Helper::linkToDocs('admin-dir_permissions')))."\n";
exit;
} else {
OC_Template::printErrorPage(
$l->t('Cannot write into "config" directory!'),
$l->t('This can usually be fixed by '
. '%sgiving the webserver write access to the config directory%s.',
array('<a href="'.\OC_Helper::linkToDocs('admin-dir_permissions').'" target="_blank">', '</a>'))
);
}
}
}
public static function checkInstalled() {
if (defined('OC_CONSOLE')) {
return;
}
// Redirect to installer if not installed
if (!\OC::$server->getSystemConfig()->getValue('installed', false) && OC::$SUBURI != '/index.php') {
if (OC::$CLI) {
throw new Exception('Not installed');
} else {
$url = 'http://' . $_SERVER['SERVER_NAME'] . OC::$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
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 120');
// render error page
$template = new OC_Template('', 'update.user', 'guest');
OC_Util::addscript('maintenance-check');
$template->printPage();
die();
}
}
public static function checkSingleUserMode($lockIfNoUserLoggedIn = false) {
if (!\OC::$server->getSystemConfig()->getValue('singleuser', false)) {
return;
}
$user = OC_User::getUserSession()->getUser();
if ($user) {
$group = \OC::$server->getGroupManager()->get('admin');
if ($group->inGroup($user)) {
return;
}
} else {
if(!$lockIfNoUserLoggedIn) {
return;
}
}
// send http status 503
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 120');
// render error page
$template = new OC_Template('', 'singleuser.user', 'guest');
$template->printPage();
die();
}
/**
* check if the instance needs to preform an upgrade
*
* @return bool
* @deprecated use \OCP\Util::needUpgrade() instead
*/
public static function needUpgrade() {
return \OCP\Util::needUpgrade();
}
/**
* Checks if the version requires an update and shows
* @param bool $showTemplate Whether an update screen should get shown
* @return bool|void
*/
public static function checkUpgrade($showTemplate = true) {
if (\OCP\Util::needUpgrade()) {
$systemConfig = \OC::$server->getSystemConfig();
if ($showTemplate && !$systemConfig->getValue('maintenance', false)) {
$version = OC_Util::getVersion();
$oldTheme = $systemConfig->getValue('theme');
$systemConfig->setValue('theme', '');
OC_Util::addScript('config'); // needed for web root
OC_Util::addScript('update');
$tmpl = new OC_Template('', 'update.admin', 'guest');
$tmpl->assign('version', OC_Util::getVersionString());
// get third party apps
$apps = OC_App::getEnabledApps();
$incompatibleApps = array();
foreach ($apps as $appId) {
$info = OC_App::getAppInfo($appId);
if(!OC_App::isAppCompatible($version, $info)) {
$incompatibleApps[] = $info;
}
}
$tmpl->assign('appList', $incompatibleApps);
$tmpl->assign('productName', 'ownCloud'); // for now
$tmpl->assign('oldTheme', $oldTheme);
$tmpl->printPage();
exit();
} else {
return true;
}
}
return false;
}
public static function initTemplateEngine() {
// Add the stuff we need always
// following logic will import all vendor libraries that are
// specified in core/js/core.json
$fileContent = file_get_contents(OC::$SERVERROOT . '/core/js/core.json');
if($fileContent !== false) {
$coreDependencies = json_decode($fileContent, true);
foreach($coreDependencies['vendor'] as $vendorLibrary) {
// remove trailing ".js" as addVendorScript will append it
OC_Util::addVendorScript(
substr($vendorLibrary, 0, strlen($vendorLibrary) - 3));
}
} else {
throw new \Exception('Cannot read core/js/core.json');
}
OC_Util::addScript("placeholders");
OC_Util::addScript("jquery-tipsy");
OC_Util::addScript("compatibility");
OC_Util::addScript("jquery.ocdialog");
OC_Util::addScript("oc-dialogs");
OC_Util::addScript("js");
OC_Util::addScript("l10n");
OC_Util::addTranslations("core");
OC_Util::addScript("octemplate");
OC_Util::addScript("eventsource");
OC_Util::addScript("config");
//OC_Util::addScript( "multiselect" );
OC_Util::addScript('search', 'search');
OC_Util::addScript("oc-requesttoken");
OC_Util::addScript("apps");
OC_Util::addVendorScript('snapjs/dist/latest/snap');
// avatars
if (\OC::$server->getSystemConfig()->getValue('enable_avatars', true) === true) {
\OC_Util::addScript('placeholder');
\OC_Util::addVendorScript('blueimp-md5/js/md5');
\OC_Util::addScript('jquery.avatar');
\OC_Util::addScript('avatar');
}
OC_Util::addStyle("styles");
OC_Util::addStyle("header");
OC_Util::addStyle("mobile");
OC_Util::addStyle("icons");
OC_Util::addStyle("fonts");
OC_Util::addStyle("apps");
OC_Util::addStyle("fixes");
OC_Util::addStyle("multiselect");
OC_Util::addVendorStyle('jquery-ui/themes/base/jquery-ui');
OC_Util::addStyle('jquery-ui-fixes');
OC_Util::addStyle("jquery-tipsy");
OC_Util::addStyle("jquery.ocdialog");
}
public static function initSession() {
// prevents javascript from accessing php session cookies
ini_set('session.cookie_httponly', true);
// set the cookie path to the ownCloud 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) {
// use the session reference as the new Session
self::$server->setSession($session);
} else {
// set the session name to the instance id - which is unique
self::$server->setSession(new \OC\Session\Internal($sessionName));
}
// if session cant be started break with http 500 error
} catch (Exception $e) {
\OCP\Util::logException('base', $e);
//show the user a detailed error page
OC_Response::setStatus(OC_Response::STATUS_INTERNAL_SERVER_ERROR);
OC_Template::printExceptionErrorPage($e);
}
$sessionLifeTime = self::getSessionLifeTime();
// regenerate session id periodically to avoid session fixation
/**
* @var \OCP\ISession $session
*/
$session = self::$server->getSession();
if (!$session->exists('SID_CREATED')) {
$session->set('SID_CREATED', time());
} else if (time() - $session->get('SID_CREATED') > $sessionLifeTime / 2) {
session_regenerate_id(true);
$session->set('SID_CREATED', time());
}
// session timeout
if ($session->exists('LAST_ACTIVITY') && (time() - $session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
if (isset($_COOKIE[session_name()])) {
setcookie(session_name(), '', time() - 42000, $cookie_path);
}
session_unset();
session_destroy();
session_start();
}
$session->set('LAST_ACTIVITY', time());
}
/**
* @return string
*/
private static function getSessionLifeTime() {
return \OC::$server->getConfig()->getSystemValue('session_lifetime', 60 * 60 * 24);
}
public static function loadAppClassPaths() {
foreach (OC_APP::getEnabledApps() as $app) {
$file = OC_App::getAppPath($app) . '/appinfo/classpath.php';
if (file_exists($file)) {
require_once $file;
}
}
}
/**
* Try to set some values to the required ownCloud default
*/
public static function setRequiredIniValues() {
@ini_set('default_charset', 'UTF-8');
}
public static function init() {
// register autoloader
$loaderStart = microtime(true);
require_once __DIR__ . '/autoloader.php';
self::$loader = new \OC\Autoloader();
spl_autoload_register(array(self::$loader, 'load'));
$loaderEnd = microtime(true);
self::$CLI = (php_sapi_name() == 'cli');
try {
self::initPaths();
// setup 3rdparty autoloader
$vendorAutoLoad = OC::$THIRDPARTYROOT . '/3rdparty/autoload.php';
if (!file_exists($vendorAutoLoad)) {
throw new \RuntimeException('Composer autoloader not found, unable to continue. Check the folder "3rdparty".');
}
require_once $vendorAutoLoad;
} catch (\RuntimeException $e) {
OC_Response::setStatus(OC_Response::STATUS_SERVICE_UNAVAILABLE);
// we can't use the template error page here, because this needs the
// DI container which isn't available yet
print($e->getMessage());
exit();
}
// setup the basic server
self::$server = new \OC\Server(\OC::$WEBROOT);
\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);
date_default_timezone_set('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 anyways
//try to set the maximum execution time to 60min
@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_Log::$object);
if (defined('DEBUG') and DEBUG) {
OC\Log\ErrorHandler::register(true);
set_exception_handler(array('OC_Template', 'printExceptionErrorPage'));
} else {
OC\Log\ErrorHandler::register();
}
}
// register the stream wrappers
stream_wrapper_register('fakedir', 'OC\Files\Stream\Dir');
stream_wrapper_register('static', 'OC\Files\Stream\StaticStream');
stream_wrapper_register('close', 'OC\Files\Stream\Close');
stream_wrapper_register('quota', 'OC\Files\Stream\Quota');
stream_wrapper_register('oc', 'OC\Files\Stream\OC');
\OC::$server->getEventLogger()->start('init_session', 'Initialize session');
OC_App::loadApps(array('session'));
if (!self::$CLI) {
self::initSession();
}
\OC::$server->getEventLogger()->end('init_session');
self::initTemplateEngine();
self::checkConfig();
self::checkInstalled();
OC_Response::addSecurityHeaders();
if(self::$server->getRequest()->getServerProtocol() === 'https') {
ini_set('session.cookie_secure', true);
}
if (!defined('OC_CONSOLE')) {
$errors = OC_Util::checkServer(\OC::$server->getConfig());
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 {
OC_Response::setStatus(OC_Response::STATUS_SERVICE_UNAVAILABLE);
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_Group::useBackend(new OC_Group_Database());
//setup extra user backends
if (!self::checkUpgrade(false)) {
OC_User::setupBackends();
}
self::registerFilesystemHooks();
if (\OC::$server->getSystemConfig()->getValue('enable_previews', false)) {
self::registerPreviewHooks();
}
self::registerShareHooks();
self::registerLogRotate();
self::registerLocalAddressBook();
self::registerEncryptionWrapper();
self::registerEncryptionHooks();
//make sure temporary files are cleaned up
$tmpManager = \OC::$server->getTempManager();
register_shutdown_function(array($tmpManager, 'clean'));
if ($systemConfig->getValue('installed', false) && !self::checkUpgrade(false)) {
if (\OC::$server->getConfig()->getAppValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
OC_Util::addScript('backgroundjobs');
}
}
// Check whether the sample configuration has been copied
if($systemConfig->getValue('copied_sample_config', false)) {
$l = \OC::$server->getL10N('lib');
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
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')
);
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)
) {
header('HTTP/1.1 400 Bad Request');
header('Status: 400 Bad Request');
$tmpl = new OCP\Template('core', 'untrustedDomain', 'guest');
$tmpl->assign('domain', $request->server['SERVER_NAME']);
$tmpl->printPage();
exit();
}
\OC::$server->getEventLogger()->end('boot');
}
private static function registerLocalAddressBook() {
self::$server->getContactsManager()->register(function() {
$userManager = \OC::$server->getUserManager();
\OC::$server->getContactsManager()->registerAddressBook(
new \OC\Contacts\LocalAddressBook($userManager));
});
}
private static function registerEncryptionWrapper() {
\OCP\Util::connectHook('OC_Filesystem', 'preSetup', 'OC\Encryption\Manager', 'setupStorage');
}
private static function registerEncryptionHooks() {
$enabled = self::$server->getEncryptionManager()->isEnabled();
if ($enabled) {
\OCP\Util::connectHook('OCP\Share', 'post_shared', 'OC\Encryption\HookManager', 'postShared');
\OCP\Util::connectHook('OCP\Share', 'post_unshare', 'OC\Encryption\HookManager', 'postUnshared');
}
}
/**
* register hooks for the cache
*/
public static function registerLogRotate() {
$systemConfig = \OC::$server->getSystemConfig();
if ($systemConfig->getValue('installed', false) && $systemConfig->getValue('log_rotate_size', false) && !\OCP\Util::needUpgrade()) {
//don't try to do this before we are properly setup
//use custom logfile path if defined, otherwise use default of owncloud.log in data directory
\OCP\BackgroundJob::registerJob('OC\Log\Rotate', $systemConfig->getValue('logfile', $systemConfig->getValue('datadirectory', OC::$SERVERROOT . '/data') . '/owncloud.log'));
}
}
/**
* register hooks for the filesystem
*/
public static function registerFilesystemHooks() {
// Check for blacklisted files
OC_Hook::connect('OC_Filesystem', 'write', 'OC\Files\Filesystem', 'isBlacklisted');
OC_Hook::connect('OC_Filesystem', 'rename', 'OC\Files\Filesystem', 'isBlacklisted');
}
/**
* register hooks for previews
*/
public static function registerPreviewHooks() {
OC_Hook::connect('OC_Filesystem', 'post_write', 'OC\Preview', 'post_write');
OC_Hook::connect('OC_Filesystem', 'delete', 'OC\Preview', 'prepare_delete_files');
OC_Hook::connect('\OCP\Versions', 'preDelete', 'OC\Preview', 'prepare_delete');
OC_Hook::connect('\OCP\Trashbin', 'preDelete', 'OC\Preview', 'prepare_delete');
OC_Hook::connect('OC_Filesystem', 'post_delete', 'OC\Preview', 'post_delete_files');
OC_Hook::connect('\OCP\Versions', 'delete', 'OC\Preview', 'post_delete');
OC_Hook::connect('\OCP\Trashbin', 'delete', 'OC\Preview', 'post_delete');
}
/**
* register hooks for sharing
*/
public static function registerShareHooks() {
if (\OC::$server->getSystemConfig()->getValue('installed')) {
OC_Hook::connect('OC_User', 'post_deleteUser', 'OC\Share\Hooks', 'post_deleteUser');
OC_Hook::connect('OC_User', 'post_addToGroup', 'OC\Share\Hooks', 'post_addToGroup');
OC_Hook::connect('OC_User', 'post_removeFromGroup', 'OC\Share\Hooks', 'post_removeFromGroup');
OC_Hook::connect('OC_User', 'post_deleteGroup', 'OC\Share\Hooks', '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. Futhermore, 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 $ex) {
}
}
}
/**
* Handle the request
*/
public static function handleRequest() {
\OC::$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 ownCloud is installed or in maintenance (update) mode
if (!$systemConfig->getValue('installed', false)) {
\OC::$server->getSession()->clear();
$setupHelper = new OC\Setup(\OC::$server->getConfig(), \OC::$server->getIniWrapper(), \OC::$server->getL10N('lib'), new \OC_Defaults());
$controller = new OC\Core\Setup\Controller($setupHelper);
$controller->run($_POST);
exit();
}
$request = \OC::$server->getRequest()->getPathInfo();
if (substr($request, -3) !== '.js') { // we need these files during the upgrade
self::checkMaintenanceMode();
self::checkUpgrade();
}
// Always load authentication apps
OC_App::loadApps(['authentication']);
// Load minimum set of apps
if (!self::checkUpgrade(false)
&& !$systemConfig->getValue('maintenance', false)
&& !\OCP\Util::needUpgrade()) {
// For logged-in users: Load everything
if(OC_User::isLoggedIn()) {
OC_App::loadApps();
} else {
// For guests: Load only filesystem and logging
OC_App::loadApps(array('filesystem', 'logging'));
\OC_User::tryBasicAuthLogin();
}
}
if (!self::$CLI and (!isset($_GET["logout"]) or ($_GET["logout"] !== 'true'))) {
try {
if (!$systemConfig->getValue('maintenance', false) && !\OCP\Util::needUpgrade()) {
OC_App::loadApps(array('filesystem', 'logging'));
OC_App::loadApps();
}
self::checkSingleUserMode();
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 $e) {
OC_Response::setStatus(405);
return;
}
}
// Handle redirect URL for logged in users
if (isset($_REQUEST['redirect_url']) && OC_User::isLoggedIn()) {
$location = OC_Helper::makeURLAbsolute(urldecode($_REQUEST['redirect_url']));
// Deny the redirect if the URL contains a @
// This prevents unvalidated redirects like ?redirect_url=:user@domain.com
if (strpos($location, '@') === false) {
header('Location: ' . $location);
return;
}
}
// Handle WebDAV
if ($_SERVER['REQUEST_METHOD'] == 'PROPFIND') {
// not allowed any more to prevent people
// mounting this root directly.
// Users need to mount remote.php/webdav instead.
header('HTTP/1.1 405 Method Not Allowed');
header('Status: 405 Method Not Allowed');
return;
}
// Redirect to index if the logout link is accessed without valid session
// this is needed to prevent "Token expired" messages while login if a session is expired
// @see https://github.com/owncloud/core/pull/8443#issuecomment-42425583
if(isset($_GET['logout']) && !OC_User::isLoggedIn()) {
header("Location: " . OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
return;
}
// Someone is logged in
if (OC_User::isLoggedIn()) {
OC_App::loadApps();
OC_User::setupBackends();
OC_Util::setupFS();
if (isset($_GET["logout"]) and ($_GET["logout"])) {
OC_JSON::callCheck();
if (isset($_COOKIE['oc_token'])) {
\OC::$server->getConfig()->deleteUserValue(OC_User::getUser(), 'login_token', $_COOKIE['oc_token']);
}
OC_User::logout();
// redirect to webroot and add slash if webroot is empty
header("Location: " . OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
} else {
// Redirect to default application
OC_Util::redirectToDefaultPage();
}
} else {
// Not handled and not logged in
self::handleLogin();
}
}
protected static function handleAuthHeaders() {
//copy http auth headers for apache+php-fcgid work around
if (isset($_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.
$vars = array(
'HTTP_AUTHORIZATION', // apache+php-cgi work around
'REDIRECT_HTTP_AUTHORIZATION', // apache+php-cgi alternative
);
foreach ($vars as $var) {
if (isset($_SERVER[$var]) && preg_match('/Basic\s+(.*)$/i', $_SERVER[$var], $matches)) {
list($name, $password) = explode(':', base64_decode($matches[1]), 2);
$_SERVER['PHP_AUTH_USER'] = $name;
$_SERVER['PHP_AUTH_PW'] = $password;
break;
}
}
}
protected static function handleLogin() {
OC_App::loadApps(array('prelogin'));
$error = array();
$messages = [];
try {
// auth possible via apache module?
if (OC::tryApacheAuth()) {
$error[] = 'apacheauthfailed';
} // remember was checked after last login
elseif (OC::tryRememberLogin()) {
$error[] = 'invalidcookie';
} // logon via web form
elseif (OC::tryFormLogin()) {
$error[] = 'invalidpassword';
}
} catch (\OC\User\LoginException $e) {
$messages[] = $e->getMessage();
} catch (\Exception $ex) {
\OCP\Util::logException('handleLogin', $ex);
// do not disclose information. show generic error
$error[] = 'internalexception';
}
OC_Util::displayLoginPage(array_unique($error), $messages);
}
/**
* Remove outdated and therefore invalid tokens for a user
* @param string $user
*/
protected static function cleanupLoginTokens($user) {
$config = \OC::$server->getConfig();
$cutoff = time() - $config->getSystemValue('remember_login_cookie_lifetime', 60 * 60 * 24 * 15);
$tokens = $config->getUserKeys($user, 'login_token');
foreach ($tokens as $token) {
$time = $config->getUserValue($user, 'login_token', $token);
if ($time < $cutoff) {
$config->deleteUserValue($user, 'login_token', $token);
}
}
}
/**
* Try to login a user via HTTP authentication
* @return bool|void
*/
protected static function tryApacheAuth() {
$return = OC_User::handleApacheAuth();
// if return is true we are logged in -> redirect to the default page
if ($return === true) {
$_REQUEST['redirect_url'] = \OC::$server->getRequest()->getRequestUri();
OC_Util::redirectToDefaultPage();
exit;
}
// in case $return is null apache based auth is not enabled
return is_null($return) ? false : true;
}
/**
* Try to login a user using the remember me cookie.
* @return bool Whether the provided cookie was valid
*/
protected static function tryRememberLogin() {
if (!isset($_COOKIE["oc_remember_login"])
|| !isset($_COOKIE["oc_token"])
|| !isset($_COOKIE["oc_username"])
|| !$_COOKIE["oc_remember_login"]
|| !OC_Util::rememberLoginAllowed()
) {
return false;
}
if (defined("DEBUG") && DEBUG) {
OC_Log::write('core', 'Trying to login from cookie', OC_Log::DEBUG);
}
if(OC_User::userExists($_COOKIE['oc_username'])) {
self::cleanupLoginTokens($_COOKIE['oc_username']);
// verify whether the supplied "remember me" token was valid
$granted = OC_User::loginWithCookie(
$_COOKIE['oc_username'], $_COOKIE['oc_token']);
if($granted === true) {
OC_Util::redirectToDefaultPage();
// doesn't return
}
OC_Log::write('core', 'Authentication cookie rejected for user ' .
$_COOKIE['oc_username'], OC_Log::WARN);
// if you reach this point you have changed your password
// or you are an attacker
// we can not delete tokens here because users may reach
// this point multiple times after a password change
}
OC_User::unsetMagicInCookie();
return true;
}
/**
* Tries to login a user using the form based authentication
* @return bool|void
*/
protected static function tryFormLogin() {
if (!isset($_POST["user"]) || !isset($_POST['password'])) {
return false;
}
if(!OC_Util::isCallRegistered()) {
return false;
}
OC_App::loadApps();
//setup extra user backends
OC_User::setupBackends();
if (OC_User::login((string)$_POST["user"], (string)$_POST["password"])) {
$userId = OC_User::getUser();
// setting up the time zone
if (isset($_POST['timezone-offset'])) {
self::$server->getSession()->set('timezone', (string)$_POST['timezone-offset']);
self::$server->getConfig()->setUserValue($userId, 'core', 'timezone', (string)$_POST['timezone']);
}
self::cleanupLoginTokens($userId);
if (!empty($_POST["remember_login"])) {
if (defined("DEBUG") && DEBUG) {
self::$server->getLogger()->debug('Setting remember login to cookie', array('app' => 'core'));
}
$token = \OC::$server->getSecureRandom()->getMediumStrengthGenerator()->generate(32);
self::$server->getConfig()->setUserValue($userId, 'login_token', $token, time());
OC_User::setMagicInCookie($userId, $token);
} else {
OC_User::unsetMagicInCookie();
}
OC_Util::redirectToDefaultPage();
exit();
}
return true;
}
}
if (!function_exists('get_temp_dir')) {
/**
* Get the temporary dir to store uploaded data
* @return null|string Path to the temporary directory or null
*/
function get_temp_dir() {
if ($temp = ini_get('upload_tmp_dir')) return $temp;
if ($temp = getenv('TMP')) return $temp;
if ($temp = getenv('TEMP')) return $temp;
if ($temp = getenv('TMPDIR')) return $temp;
$temp = tempnam(__FILE__, '');
if (file_exists($temp)) {
unlink($temp);
return dirname($temp);
}
if ($temp = sys_get_temp_dir()) return $temp;
return null;
}
}
OC::init();