mbk-lab
/
nextcloud
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
nextcloud/lib/base.php

990 lines
32 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
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2012 Frank Karlitschek frank@owncloud.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 along with this library. 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\Session\Session
*/
public static $session = null;
/**
* @var \OC\Autoloader $loader
*/
public static $loader = null;
/**
* @var \OC\Server
*/
public static $server = null;
public static function initPaths() {
// calculate the root directories
OC::$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)));
$scriptName = OC_Request::scriptName();
if (substr($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::$SUBURI . 'index.php';
}
}
OC::$WEBROOT = substr($scriptName, 0, strlen($scriptName) - strlen(OC::$SUBURI));
if (OC::$WEBROOT != '' and OC::$WEBROOT[0] !== '/') {
OC::$WEBROOT = '/' . OC::$WEBROOT;
}
// search the 3rdparty folder
if (OC_Config::getValue('3rdpartyroot', '') <> '' and OC_Config::getValue('3rdpartyurl', '') <> '') {
OC::$THIRDPARTYROOT = OC_Config::getValue('3rdpartyroot', '');
OC::$THIRDPARTYWEBROOT = OC_Config::getValue('3rdpartyurl', '');
} elseif (file_exists(OC::$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), '/');
} else {
throw new Exception('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 Exception('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[] = $path['path'];
}
// set the right include path
set_include_path(
OC::$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() {
if (file_exists(self::$configDir . "/config.php")
and !is_writable(self::$configDir . "/config.php")
) {
if (self::$CLI) {
echo "Can't write into config directory!\n";
echo "This can usually be fixed by giving the webserver write access to the config directory\n";
echo "\n";
echo "See " . \OC_Helper::linkToDocs('admin-dir_permissions') . "\n";
exit;
} else {
OC_Template::printErrorPage(
"Can't write into config directory!",
'This can usually be fixed by '
. '<a href="' . \OC_Helper::linkToDocs('admin-dir_permissions') . '" target="_blank">giving the webserver write access to the config directory</a>.'
);
}
}
}
public static function checkInstalled() {
// Redirect to installer if not installed
if (!OC_Config::getValue('installed', false) && OC::$SUBURI != '/index.php') {
if (!OC::$CLI) {
$url = 'http://' . $_SERVER['SERVER_NAME'] . OC::$WEBROOT . '/index.php';
header("Location: $url");
}
exit();
}
}
public static function checkSSL() {
// redirect to https site if configured
if (OC_Config::getValue("forcessl", false)) {
header('Strict-Transport-Security: max-age=31536000');
ini_set("session.cookie_secure", "on");
if (OC_Request::serverProtocol() <> 'https' and !OC::$CLI) {
$url = "https://" . OC_Request::serverHost() . OC_Request::requestUri();
header("Location: $url");
exit();
}
} else {
// Invalidate HSTS headers
if (OC_Request::serverProtocol() === 'https') {
header('Strict-Transport-Security: max-age=0');
}
}
}
public static function checkMaintenanceMode() {
// Allow ajax update script to execute without being stopped
if (OC_Config::getValue('maintenance', false) && OC::$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
$tmpl = new OC_Template('', 'update.user', 'guest');
$tmpl->printPage();
die();
}
}
public static function checkSingleUserMode() {
$user = OC_User::getUserSession()->getUser();
$group = OC_Group::getManager()->get('admin');
if ($user && OC_Config::getValue('singleuser', false) && !$group->inGroup($user)) {
// 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
$tmpl = new OC_Template('', 'singleuser.user', 'guest');
$tmpl->printPage();
die();
}
}
/**
* check if the instance needs to preform an upgrade
*
* @return bool
*/
public static function needUpgrade() {
if (OC_Config::getValue('installed', false)) {
$installedVersion = OC_Config::getValue('version', '0.0.0');
$currentVersion = implode('.', OC_Util::getVersion());
return version_compare($currentVersion, $installedVersion, '>');
} else {
return false;
}
}
/**
* 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 (self::needUpgrade()) {
if ($showTemplate && !OC_Config::getValue('maintenance', false)) {
$version = OC_Util::getVersion();
$oldTheme = OC_Config::getValue('theme');
OC_Config::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
// TODO: read from core/js/core.json
OC_Util::addScript("jquery-1.10.0.min");
OC_Util::addScript("jquery-migrate-1.2.1.min");
OC_Util::addScript("jquery-ui-1.10.0.custom");
OC_Util::addScript("jquery-showpassword");
OC_Util::addScript("placeholders");
OC_Util::addScript("jquery-tipsy");
OC_Util::addScript("compatibility");
OC_Util::addScript("underscore");
OC_Util::addScript("jquery.ocdialog");
OC_Util::addScript("oc-dialogs");
OC_Util::addScript("js");
OC_Util::addScript("octemplate");
OC_Util::addScript("eventsource");
OC_Util::addScript("config");
//OC_Util::addScript( "multiselect" );
OC_Util::addScript('search', 'result');
OC_Util::addScript("oc-requesttoken");
OC_Util::addScript("apps");
OC_Util::addScript("snap");
// avatars
if (\OC_Config::getValue('enable_avatars', true) === true) {
\OC_Util::addScript('placeholder');
\OC_Util::addScript('3rdparty', 'md5/md5.min');
\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::addStyle("jquery-ui-1.10.0.custom");
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', '1;');
// set the cookie path to the ownCloud directory
$cookie_path = OC::$WEBROOT ? : '/';
ini_set('session.cookie_path', $cookie_path);
//set the session object to a dummy session so code relying on the session existing still works
self::$session = new \OC\Session\Memory('');
// Let the session name be changed in the initSession Hook
$sessionName = OC_Util::getInstanceId();
try {
// Allow session apps to create a custom session object
$useCustomSession = false;
OC_Hook::emit('OC', 'initSession', array('session' => &self::$session, 'sessionName' => &$sessionName, 'useCustomSession' => &$useCustomSession));
if(!$useCustomSession) {
// set the session name to the instance id - which is unique
self::$session = new \OC\Session\Internal($sessionName);
}
// if session cant be started break with http 500 error
} catch (Exception $e) {
//show the user a detailed error page
OC_Response::setStatus(OC_Response::STATUS_INTERNAL_SERVER_ERROR);
OC_Template::printExceptionErrorPage($e);
}
$sessionLifeTime = self::getSessionLifeTime();
// regenerate session id periodically to avoid session fixation
if (!self::$session->exists('SID_CREATED')) {
self::$session->set('SID_CREATED', time());
} else if (time() - self::$session->get('SID_CREATED') > $sessionLifeTime / 2) {
session_regenerate_id(true);
self::$session->set('SID_CREATED', time());
}
// session timeout
if (self::$session->exists('LAST_ACTIVITY') && (time() - self::$session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
if (isset($_COOKIE[session_name()])) {
setcookie(session_name(), '', time() - 42000, $cookie_path);
}
session_unset();
session_destroy();
session_start();
}
self::$session->set('LAST_ACTIVITY', time());
}
/**
* @return string
*/
private static function getSessionLifeTime() {
return OC_Config::getValue('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 $file;
}
}
}
public static function init() {
// register autoloader
require_once __DIR__ . '/autoloader.php';
self::$loader = new \OC\Autoloader();
self::$loader->registerPrefix('Doctrine\\Common', 'doctrine/common/lib');
self::$loader->registerPrefix('Doctrine\\DBAL', 'doctrine/dbal/lib');
self::$loader->registerPrefix('Symfony\\Component\\Routing', 'symfony/routing');
self::$loader->registerPrefix('Symfony\\Component\\Console', 'symfony/console');
self::$loader->registerPrefix('Patchwork', '3rdparty');
self::$loader->registerPrefix('Pimple', '3rdparty/Pimple');
spl_autoload_register(array(self::$loader, 'load'));
// make a dummy session available as early as possible since error pages need it
self::$session = new \OC\Session\Memory('');
// set some stuff
//ob_start();
error_reporting(E_ALL | E_STRICT);
if (defined('DEBUG') && DEBUG) {
ini_set('display_errors', 1);
}
self::$CLI = (php_sapi_name() == 'cli');
date_default_timezone_set('UTC');
ini_set('arg_separator.output', '&amp;');
// try to switch magic quotes off.
if (get_magic_quotes_gpc() == 1) {
ini_set('magic_quotes_runtime', 0);
}
//try to configure php to enable big file uploads.
//this doesn´t work always depending on the webserver and php configuration.
//Let´s try to overwrite some defaults anyways
//try to set the maximum execution time to 60min
@set_time_limit(3600);
@ini_set('max_execution_time', 3600);
@ini_set('max_input_time', 3600);
//try to set the maximum filesize to 10G
@ini_set('upload_max_filesize', '10G');
@ini_set('post_max_size', '10G');
@ini_set('file_uploads', '50');
//copy http auth headers for apache+php-fcgid work around
if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
}
//set http auth headers for apache+php-cgi work around
if (isset($_SERVER['HTTP_AUTHORIZATION'])
&& preg_match('/Basic\s+(.*)$/i', $_SERVER['HTTP_AUTHORIZATION'], $matches)
) {
list($name, $password) = explode(':', base64_decode($matches[1]), 2);
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
}
//set http auth headers for apache+php-cgi work around if variable gets renamed by apache
if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])
&& preg_match('/Basic\s+(.*)$/i', $_SERVER['REDIRECT_HTTP_AUTHORIZATION'], $matches)
) {
list($name, $password) = explode(':', base64_decode($matches[1]), 2);
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
}
self::initPaths();
if (OC_Config::getValue('instanceid', false)) {
// \OC\Memcache\Cache has a hidden dependency on
// OC_Util::getInstanceId() for namespacing. See #5409.
try {
self::$loader->setMemoryCache(\OC\Memcache\Factory::createLowLatency('Autoloader'));
} catch (\Exception $ex) {
}
}
OC_Util::isSetLocaleWorking();
// setup 3rdparty autoloader
$vendorAutoLoad = OC::$THIRDPARTYROOT . '/3rdparty/autoload.php';
if (file_exists($vendorAutoLoad)) {
require_once $vendorAutoLoad;
}
// set debug mode if an xdebug session is active
if (!defined('DEBUG') || !DEBUG) {
if (isset($_COOKIE['XDEBUG_SESSION'])) {
define('DEBUG', true);
}
}
if (!defined('PHPUNIT_RUN')) {
OC\Log\ErrorHandler::setLogger(OC_Log::$object);
if (defined('DEBUG') and DEBUG) {
OC\Log\ErrorHandler::register(true);
set_exception_handler(array('OC_Template', 'printExceptionErrorPage'));
} else {
OC\Log\ErrorHandler::register();
}
}
// register the stream wrappers
stream_wrapper_register('fakedir', 'OC\Files\Stream\Dir');
stream_wrapper_register('static', 'OC\Files\Stream\StaticStream');
stream_wrapper_register('close', 'OC\Files\Stream\Close');
stream_wrapper_register('quota', 'OC\Files\Stream\Quota');
stream_wrapper_register('oc', 'OC\Files\Stream\OC');
// setup the basic server
self::$server = new \OC\Server();
self::initTemplateEngine();
OC_App::loadApps(array('session'));
if (!self::$CLI) {
self::initSession();
} else {
self::$session = new \OC\Session\Memory('');
}
self::checkConfig();
self::checkInstalled();
self::checkSSL();
OC_Response::addSecurityHeaders();
$errors = OC_Util::checkServer();
if (count($errors) > 0) {
if (self::$CLI) {
foreach ($errors as $error) {
echo $error['error'] . "\n";
echo $error['hint'] . "\n\n";
}
} else {
OC_Response::setStatus(OC_Response::STATUS_SERVICE_UNAVAILABLE);
OC_Template::printGuestPage('', 'error', array('errors' => $errors));
}
exit;
}
//try to set the session lifetime
$sessionLifeTime = self::getSessionLifeTime();
@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
// User and Groups
if (!OC_Config::getValue("installed", false)) {
self::$session->set('user_id', '');
}
OC_User::useBackend(new OC_User_Database());
OC_Group::useBackend(new OC_Group_Database());
//setup extra user backends
OC_User::setupBackends();
self::registerCacheHooks();
self::registerFilesystemHooks();
self::registerPreviewHooks();
self::registerShareHooks();
self::registerLogRotate();
//make sure temporary files are cleaned up
register_shutdown_function(array('OC_Helper', 'cleanTmp'));
if (OC_Config::getValue('installed', false) && !self::checkUpgrade(false)) {
if (OC_Appconfig::getValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
OC_Util::addScript('backgroundjobs');
}
}
}
/**
* register hooks for the cache
*/
public static function registerCacheHooks() {
if (OC_Config::getValue('installed', false) && !self::needUpgrade()) { //don't try to do this before we are properly setup
\OCP\BackgroundJob::registerJob('OC\Cache\FileGlobalGC');
// NOTE: This will be replaced to use OCP
$userSession = \OC_User::getUserSession();
$userSession->listen('postLogin', '\OC\Cache\File', 'loginListener');
}
}
/**
* register hooks for the cache
*/
public static function registerLogRotate() {
if (OC_Config::getValue('installed', false) && OC_Config::getValue('log_rotate_size', false) && !self::needUpgrade()) {
//don't try to do this before we are properly setup
//use custom logfile path if defined, otherwise use default of owncloud.log in data directory
\OCP\BackgroundJob::registerJob('OC\Log\Rotate', OC_Config::getValue('logfile', OC_Config::getValue("datadirectory", OC::$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', 'preDelete', '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', '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_Config::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');
}
}
/**
* Handle the request
*/
public static function handleRequest() {
$l = \OC_L10N::get('lib');
// 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 (!OC_Config::getValue('installed', false)) {
$controller = new OC\Core\Setup\Controller();
$controller->run($_POST);
exit();
}
$host = OC_Request::insecureServerHost();
// if the host passed in headers isn't trusted
if (!OC::$CLI
// overwritehost is always trusted
&& OC_Request::getOverwriteHost() === null
&& !OC_Request::isTrustedDomain($host)) {
header('HTTP/1.1 400 Bad Request');
header('Status: 400 Bad Request');
OC_Template::printErrorPage(
$l->t('You are accessing the server from an untrusted domain.'),
$l->t('Please contact your administrator. If you are an administrator of this instance, configure the "trusted_domain" setting in config/config.php. An example configuration is provided in config/config.sample.php.')
);
return;
}
$request = OC_Request::getPathInfo();
if (substr($request, -3) !== '.js') { // we need these files during the upgrade
self::checkMaintenanceMode();
self::checkUpgrade();
}
if (!OC_User::isLoggedIn()) {
// Test it the user is already authenticated using Apaches AuthType Basic... very usable in combination with LDAP
OC::tryBasicAuthLogin();
}
if (!self::$CLI and (!isset($_GET["logout"]) or ($_GET["logout"] !== 'true'))) {
try {
if (!OC_Config::getValue('maintenance', false) && !self::needUpgrade()) {
OC_App::loadApps();
}
self::checkSingleUserMode();
OC::$server->getRouter()->match(OC_Request::getRawPathInfo());
return;
} catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
//header('HTTP/1.0 404 Not Found');
} catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
OC_Response::setStatus(405);
return;
}
}
// Load minimum set of apps
if (!self::checkUpgrade(false)) {
// For logged-in users: Load everything
if(OC_User::isLoggedIn()) {
OC_App::loadApps();
} else {
// For guests: Load only authentication, filesystem and logging
OC_App::loadApps(array('authentication'));
OC_App::loadApps(array('filesystem', 'logging'));
}
}
// Handle redirect URL for logged in users
if (isset($_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::$WEBROOT) ? '/' : ''));
return;
}
// Someone is logged in
if (OC_User::isLoggedIn()) {
OC_App::loadApps();
OC_User::setupBackends();
if (isset($_GET["logout"]) and ($_GET["logout"])) {
OC_JSON::callCheck();
if (isset($_COOKIE['oc_token'])) {
OC_Preferences::deleteKey(OC_User::getUser(), 'login_token', $_COOKIE['oc_token']);
}
if (isset($_SERVER['PHP_AUTH_USER'])) {
if (isset($_COOKIE['oc_ignore_php_auth_user'])) {
// Ignore HTTP Authentication for 5 more mintues.
setcookie('oc_ignore_php_auth_user', $_SERVER['PHP_AUTH_USER'], time() + 300, OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
} elseif ($_SERVER['PHP_AUTH_USER'] === self::$session->get('loginname')) {
// Ignore HTTP Authentication to allow a different user to log in.
setcookie('oc_ignore_php_auth_user', $_SERVER['PHP_AUTH_USER'], 0, OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
}
}
OC_User::logout();
// redirect to webroot and add slash if webroot is empty
header("Location: " . OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
} else {
// Redirect to default application
OC_Util::redirectToDefaultPage();
}
} else {
// Not handled and not logged in
self::handleLogin();
}
}
/**
* Load a PHP file belonging to the specified application
* @param array $param The application and file to load
* @return bool Whether the file has been found (will return 404 and false if not)
* @deprecated This function will be removed in ownCloud 8 - use proper routing instead
* @param $param
* @return bool Whether the file has been found (will return 404 and false if not)
*/
public static function loadAppScriptFile($param) {
OC_App::loadApps();
$app = $param['app'];
$file = $param['file'];
$app_path = OC_App::getAppPath($app);
$file = $app_path . '/' . $file;
if (OC_App::isEnabled($app) && $app_path !== false && OC_Helper::issubdirectory($file, $app_path)) {
unset($app, $app_path);
if (file_exists($file)) {
require_once $file;
return true;
}
}
header('HTTP/1.0 404 Not Found');
return false;
}
protected static function handleLogin() {
OC_App::loadApps(array('prelogin'));
$error = array();
// 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()) {
$error[] = 'invalidpassword';
if ( OC_Config::getValue('log_authfailip', false) ) {
OC_Log::write('core', 'Login failed: user \''.$_POST["user"].'\' , wrong password, IP:'.$_SERVER['REMOTE_ADDR'],
OC_Log::WARN);
} else {
OC_Log::write('core', 'Login failed: user \''.$_POST["user"].'\' , wrong password, IP:set log_authfailip=true in conf',
OC_Log::WARN);
}
}
OC_Util::displayLoginPage(array_unique($error));
}
/**
* Remove outdated and therefore invalid tokens for a user
* @param string $user
*/
protected static function cleanupLoginTokens($user) {
$cutoff = time() - OC_Config::getValue('remember_login_cookie_lifetime', 60 * 60 * 24 * 15);
$tokens = OC_Preferences::getKeys($user, 'login_token');
foreach ($tokens as $token) {
$time = OC_Preferences::getValue($user, 'login_token', $token);
if ($time < $cutoff) {
OC_Preferences::deleteKey($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_Request::requestUri();
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 ' .
$_COOKIE['oc_username'], OC_Log::WARN);
// if you reach this point you have changed your password
// or you are an attacker
// we can not delete tokens here because users may reach
// this point multiple times after a password change
}
OC_User::unsetMagicInCookie();
return true;
}
/**
* Tries to login a user using the formbased authentication
* @return bool|void
*/
protected static function tryFormLogin() {
if (!isset($_POST["user"]) || !isset($_POST['password'])) {
return false;
}
OC_JSON::callCheck();
OC_App::loadApps();
//setup extra user backends
OC_User::setupBackends();
if (OC_User::login($_POST["user"], $_POST["password"])) {
// setting up the time zone
if (isset($_POST['timezone-offset'])) {
self::$session->set('timezone', $_POST['timezone-offset']);
}
$userid = OC_User::getUser();
self::cleanupLoginTokens($userid);
if (!empty($_POST["remember_login"])) {
if (defined("DEBUG") && DEBUG) {
OC_Log::write('core', 'Setting remember login to cookie', OC_Log::DEBUG);
}
$token = OC_Util::generateRandomBytes(32);
OC_Preferences::setValue($userid, 'login_token', $token, time());
OC_User::setMagicInCookie($userid, $token);
} else {
OC_User::unsetMagicInCookie();
}
OC_Util::redirectToDefaultPage();
exit();
}
return true;
}
/**
* Try to login a user using HTTP authentication.
* @return bool
*/
protected static function tryBasicAuthLogin() {
if (!isset($_SERVER["PHP_AUTH_USER"])
|| !isset($_SERVER["PHP_AUTH_PW"])
|| (isset($_COOKIE['oc_ignore_php_auth_user']) && $_COOKIE['oc_ignore_php_auth_user'] === $_SERVER['PHP_AUTH_USER'])
) {
return false;
}
if (OC_User::login($_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"])) {
//OC_Log::write('core',"Logged in with HTTP Authentication", OC_Log::DEBUG);
OC_User::unsetMagicInCookie();
$_SERVER['HTTP_REQUESTTOKEN'] = OC_Util::callRegister();
}
return true;
}
}
if (!function_exists('get_temp_dir')) {
/**
* Get the temporary dir to store uploaded data
* @return null|string Path to the temporary directory or null
*/
function get_temp_dir() {
if ($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();
Reference in New Issue View Git Blame Copy Permalink