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base.php 26.26 KiB
<?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();
/*
* requested app
*/
public static $REQUESTEDAPP = '';
/*
* requested file of app
*/
public static $REQUESTEDFILE = '';
/**
* check if owncloud runs in cli mode
*/ public static $CLI = false;
/*
* OC router
*/
protected static $router = null;
/**
* @var \OC\Session\Session
*/
public static $session = null;
/**
* @var \OC\Autoloader $loader
*/
public static $loader = null;
public static function initPaths() {
// calculate the root directories
OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
// ensure we can find OC_Config
set_include_path(
OC::$SERVERROOT . '/lib' . PATH_SEPARATOR .
get_include_path()
);
OC::$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 {
echo('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.');
exit;
}
// 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)) {
echo('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.');
exit;
}
$paths = array();
foreach (OC::$APPSROOTS as $path) {
$paths[] = $path['path'];
}
// set the right include path
set_include_path(
OC::$SERVERROOT . '/lib' . PATH_SEPARATOR .
OC::$SERVERROOT . '/config' . PATH_SEPARATOR .
OC::$THIRDPARTYROOT . '/3rdparty' . PATH_SEPARATOR .
implode($paths, PATH_SEPARATOR) . PATH_SEPARATOR .
get_include_path() . PATH_SEPARATOR .
OC::$SERVERROOT
);
}
public static function checkConfig() {
if (file_exists(OC::$SERVERROOT . "/config/config.php")
and !is_writable(OC::$SERVERROOT . "/config/config.php")) {
$tmpl = new OC_Template('', 'error', 'guest');
$tmpl->assign('errors', array(1 => array(
'error' => "Can't write into config directory 'config'",
'hint' => 'You can usually fix this by giving the webserver user write access'
.' to the config directory in owncloud'
)));
$tmpl->printPage();
exit();
}
}
public static function checkInstalled() {
// Redirect to installer if not installed
if (!OC_Config::getValue('installed', false) && OC::$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('', 'error', 'guest');
$tmpl->assign('errors', array(1 => array('error' => 'ownCloud is in maintenance mode')));
$tmpl->printPage();
exit();
}
}
public static function checkUpgrade($showTemplate = true) {
if (OC_Config::getValue('installed', false)) {
$installedVersion = OC_Config::getValue('version', '0.0.0');
$currentVersion = implode('.', OC_Util::getVersion());
if (version_compare($currentVersion, $installedVersion, '>')) {
if ($showTemplate && !OC_Config::getValue('maintenance', false)) {
OC_Config::setValue('maintenance', true);
OC_Log::write('core',
'starting upgrade from ' . $installedVersion . ' to ' . $currentVersion,
OC_Log::WARN);
$minimizerCSS = new OC_Minimizer_CSS();
$minimizerCSS->clearCache();
$minimizerJS = new OC_Minimizer_JS();
$minimizerJS->clearCache();
OC_Util::addscript('update');
$tmpl = new OC_Template('', 'update', 'guest');
$tmpl->assign('version', OC_Util::getVersionString());
$tmpl->printPage();
exit();
} else {
return true;
}
}
return false;
}
}
public static function initTemplateEngine() {
// Add the stuff we need always
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("jquery.infieldlabel");
OC_Util::addScript("jquery-tipsy");
OC_Util::addScript("compatibility");
OC_Util::addScript("jquery.ocdialog");
OC_Util::addScript("oc-dialogs");
OC_Util::addScript("octemplate");
OC_Util::addScript("js");
OC_Util::addScript("eventsource");
OC_Util::addScript("config");
//OC_Util::addScript( "multiselect" );
OC_Util::addScript('search', 'result');
OC_Util::addScript('router');
OC_Util::addStyle("styles");
OC_Util::addStyle("multiselect");
OC_Util::addStyle("jquery-ui-1.10.0.custom"); OC_Util::addStyle("jquery-tipsy");
OC_Util::addStyle("jquery.ocdialog");
OC_Util::addScript("oc-requesttoken");
}
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', $cookie_path);
try{
// set the session name to the instance id - which is unique
self::$session = new \OC\Session\Internal(OC_Util::getInstanceId());
// if session cant be started break with http 500 error
}catch (Exception $e){
//set the session object to a dummy session so code relying on the session existing still works
self::$session = new \OC\Session\Memory('');
OC_Log::write('core', 'Session could not be initialized',
OC_Log::ERROR);
header('HTTP/1.1 500 Internal Server Error');
OC_Util::addStyle("styles");
$error = 'Session could not be initialized. Please contact your ';
$error .= 'system administrator';
$tmpl = new OC_Template('', 'error', 'guest');
$tmpl->assign('errors', array(1 => array('error' => $error)));
$tmpl->printPage();
exit();
}
// regenerate session id periodically to avoid session fixation
if (!self::$session->exists('SID_CREATED')) {
self::$session->set('SID_CREATED', time());
} else if (time() - self::$session->get('SID_CREATED') > 60*60*12) {
session_regenerate_id(true);
self::$session->set('SID_CREATED', time());
}
// session timeout
if (self::$session->exists('LAST_ACTIVITY') && (time() - self::$session->get('LAST_ACTIVITY') > 60*60*24)) {
if (isset($_COOKIE[session_name()])) {
setcookie(session_name(), '', time() - 42000, $cookie_path);
}
session_unset();
session_destroy();
session_start();
}
self::$session->set('LAST_ACTIVITY', time());
}
public static function getRouter() {
if (!isset(OC::$router)) {
OC::$router = new OC_Router();
OC::$router->loadRoutes();
}
return OC::$router;
}
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('Sabre\\VObject', '3rdparty');
self::$loader->registerPrefix('Sabre_', '3rdparty');
spl_autoload_register(array(self::$loader, 'load'));
// set some stuff
//ob_start();
error_reporting(E_ALL | E_STRICT);
if (defined('DEBUG') && DEBUG) {
ini_set('display_errors', 1);
}
self::$CLI = (php_sapi_name() == 'cli');
date_default_timezone_set('UTC');
ini_set('arg_separator.output', '&');
// try to switch magic quotes off.
if (get_magic_quotes_gpc()==1) {
ini_set('magic_quotes_runtime', 0);
}
//try to configure php to enable big file uploads.
//this doesn´t work always depending on the webserver and php configuration.
//Let´s try to overwrite some defaults anyways
//try to set the maximum execution time to 60min
@set_time_limit(3600);
@ini_set('max_execution_time', 3600);
@ini_set('max_input_time', 3600);
//try to set the maximum filesize to 10G
@ini_set('upload_max_filesize', '10G');
@ini_set('post_max_size', '10G');
@ini_set('file_uploads', '50');
//try to set the session lifetime to 60min
@ini_set('gc_maxlifetime', '3600');
//copy http auth headers for apache+php-fcgid work around
if (isset($_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();
OC_Util::issetlocaleworking();
// set debug mode if an xdebug session is active
if (!defined('DEBUG') || !DEBUG) {
if (isset($_COOKIE['XDEBUG_SESSION'])) {
define('DEBUG', true);
}
}
if (!defined('PHPUNIT_RUN') and !(defined('DEBUG') and DEBUG)) {
register_shutdown_function(array('OC_Log', 'onShutdown'));
set_error_handler(array('OC_Log', 'onError'));
set_exception_handler(array('OC_Log', 'onException'));
}
// register the stream wrappers
stream_wrapper_register('fakedir', 'OC\Files\Stream\Dir');
stream_wrapper_register('static', 'OC\Files\Stream\StaticStream');
stream_wrapper_register('close', 'OC\Files\Stream\Close');
stream_wrapper_register('oc', 'OC\Files\Stream\OC');
self::initTemplateEngine();
if ( !self::$CLI ) {
self::initSession();
} else {
self::$session = new \OC\Session\Memory('');
}
self::checkConfig();
self::checkInstalled();
self::checkSSL();
$errors = OC_Util::checkServer();
if (count($errors) > 0) {
OC_Template::printGuestPage('', 'error', array('errors' => $errors));
exit;
}
// User and Groups
if (!OC_Config::getValue("installed", false)) {
self::$session->set('user_id','');
}
OC_User::useBackend(new OC_User_Database());
OC_Group::useBackend(new OC_Group_Database());
if (isset($_SERVER['PHP_AUTH_USER']) && self::$session->exists('user_id')
&& $_SERVER['PHP_AUTH_USER'] != self::$session->get('user_id')) {
OC_User::logout();
}
// Load Apps
// This includes plugins for users and filesystems as well
global $RUNTIME_NOAPPS;
global $RUNTIME_APPTYPES;
if (!$RUNTIME_NOAPPS) {
if ($RUNTIME_APPTYPES) {
OC_App::loadApps($RUNTIME_APPTYPES);
} else {
OC_App::loadApps();
}
}
//setup extra user backends
OC_User::setupBackends();
self::registerCacheHooks();
self::registerFilesystemHooks(); self::registerShareHooks();
//make sure temporary files are cleaned up
register_shutdown_function(array('OC_Helper', 'cleanTmp'));
//parse the given parameters
self::$REQUESTEDAPP = (isset($_GET['app']) && trim($_GET['app']) != '' && !is_null($_GET['app']) ? OC_App::cleanAppId(strip_tags($_GET['app'])) : OC_Config::getValue('defaultapp', 'files'));
if (substr_count(self::$REQUESTEDAPP, '?') != 0) {
$app = substr(self::$REQUESTEDAPP, 0, strpos(self::$REQUESTEDAPP, '?'));
$param = substr($_GET['app'], strpos($_GET['app'], '?') + 1);
parse_str($param, $get);
$_GET = array_merge($_GET, $get);
self::$REQUESTEDAPP = $app;
$_GET['app'] = $app;
}
self::$REQUESTEDFILE = (isset($_GET['getfile']) ? $_GET['getfile'] : null);
if (substr_count(self::$REQUESTEDFILE, '?') != 0) {
$file = substr(self::$REQUESTEDFILE, 0, strpos(self::$REQUESTEDFILE, '?'));
$param = substr(self::$REQUESTEDFILE, strpos(self::$REQUESTEDFILE, '?') + 1);
parse_str($param, $get);
$_GET = array_merge($_GET, $get);
self::$REQUESTEDFILE = $file;
$_GET['getfile'] = $file;
}
if (!is_null(self::$REQUESTEDFILE)) {
$subdir = OC_App::getAppPath(OC::$REQUESTEDAPP) . '/' . self::$REQUESTEDFILE;
$parent = OC_App::getAppPath(OC::$REQUESTEDAPP);
if (!OC_Helper::issubdirectory($subdir, $parent)) {
self::$REQUESTEDFILE = null;
header('HTTP/1.0 404 Not Found');
exit;
}
}
// write error into log if locale can't be set
if (OC_Util::issetlocaleworking() == false) {
OC_Log::write('core',
'setting locale to en_US.UTF-8/en_US.UTF8 failed. Support is probably not installed on your system',
OC_Log::ERROR);
}
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)) { //don't try to do this before we are properly setup
// register cache cleanup jobs
try { //if this is executed before the upgrade to the new backgroundjob system is completed it will throw an exception
\OCP\BackgroundJob::registerJob('OC_Cache_FileGlobalGC');
} catch (Exception $e) {
}
OC_Hook::connect('OC_User', 'post_login', 'OC_Cache_File', 'loginListener');
}
}
/**
* register hooks for the filesystem
*/
public static function registerFilesystemHooks() {
// Check for blacklisted files
OC_Hook::connect('OC_Filesystem', 'write', 'OC_Filesystem', 'isBlacklisted');
OC_Hook::connect('OC_Filesystem', 'rename', 'OC_Filesystem', 'isBlacklisted');
}
/**
* register hooks for sharing
*/
public static function registerShareHooks() {
if(\OC_Config::getValue('installed')) {
OC_Hook::connect('OC_User', 'post_deleteUser', 'OCP\Share', 'post_deleteUser');
OC_Hook::connect('OC_User', 'post_addToGroup', 'OCP\Share', 'post_addToGroup');
OC_Hook::connect('OC_User', 'post_removeFromGroup', 'OCP\Share', 'post_removeFromGroup');
OC_Hook::connect('OC_User', 'post_deleteGroup', 'OCP\Share', 'post_deleteGroup');
}
}
/**
* @brief Handle the request
*/
public static function handleRequest() {
// 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)) {
require_once 'core/setup.php';
exit();
}
$request = OC_Request::getPathInfo();
if(substr($request, -3) !== '.js') {// we need these files during the upgrade
self::checkMaintenanceMode();
self::checkUpgrade();
}
if (!self::$CLI) {
try {
if (!OC_Config::getValue('maintenance', false)) {
OC_App::loadApps();
}
OC::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;
}
}
$app = OC::$REQUESTEDAPP;
$file = OC::$REQUESTEDFILE;
$param = array('app' => $app, 'file' => $file);
// Handle app css files
if (substr($file, -3) == 'css') {
self::loadCSSFile($param);
return;
}
// Handle redirect URL for logged in users
if (isset($_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') { header('location: ' . OC_Helper::linkToRemote('webdav'));
return;
}
// Someone is logged in :
if (OC_User::isLoggedIn()) {
OC_App::loadApps();
OC_User::setupBackends();
if (isset($_GET["logout"]) and ($_GET["logout"])) {
if (isset($_COOKIE['oc_token'])) {
OC_Preferences::deleteKey(OC_User::getUser(), 'login_token', $_COOKIE['oc_token']);
}
OC_User::logout();
header("Location: " . OC::$WEBROOT . '/');
} else {
if (is_null($file)) {
$param['file'] = 'index.php';
}
$file_ext = substr($param['file'], -3);
if ($file_ext != 'php'
|| !self::loadAppScriptFile($param)
) {
header('HTTP/1.0 404 Not Found');
}
}
return;
}
// Not handled and not logged in
self::handleLogin();
}
public static function loadAppScriptFile($param) {
OC_App::loadApps();
$app = $param['app'];
$file = $param['file'];
$app_path = OC_App::getAppPath($app);
$file = $app_path . '/' . $file;
unset($app, $app_path);
if (file_exists($file)) {
require_once $file;
return true;
}
return false;
}
public static function loadCSSFile($param) {
$app = $param['app'];
$file = $param['file'];
$app_path = OC_App::getAppPath($app);
if (file_exists($app_path . '/' . $file)) {
$app_web_path = OC_App::getAppWebPath($app);
$filepath = $app_web_path . '/' . $file;
$minimizer = new OC_Minimizer_CSS();
$info = array($app_path, $app_web_path, $file);
$minimizer->output(array($info), $filepath);
}
}
protected static function handleLogin() {
OC_App::loadApps(array('prelogin'));
$error = array();
// remember was checked after last login
if (OC::tryRememberLogin()) {
$error[] = 'invalidcookie';
// Someone wants to log in :
} elseif (OC::tryFormLogin()) {
$error[] = 'invalidpassword';
// The user is already authenticated using Apaches AuthType Basic... very usable in combination with LDAP } elseif (OC::tryBasicAuthLogin()) {
$error[] = 'invalidpassword';
}
OC_Util::displayLoginPage(array_unique($error));
}
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', $token);
}
}
}
protected static function tryRememberLogin() {
if (!isset($_COOKIE["oc_remember_login"])
|| !isset($_COOKIE["oc_token"])
|| !isset($_COOKIE["oc_username"])
|| !$_COOKIE["oc_remember_login"]
) {
return false;
}
OC_App::loadApps(array('authentication'));
if (defined("DEBUG") && DEBUG) {
OC_Log::write('core', 'Trying to login from cookie', OC_Log::DEBUG);
}
// confirm credentials in cookie
if (isset($_COOKIE['oc_token']) && OC_User::userExists($_COOKIE['oc_username'])) {
// delete outdated cookies
self::cleanupLoginTokens($_COOKIE['oc_username']);
// get stored tokens
$tokens = OC_Preferences::getKeys($_COOKIE['oc_username'], 'login_token');
// test cookies token against stored tokens
if (in_array($_COOKIE['oc_token'], $tokens, true)) {
// replace successfully used token with a new one
OC_Preferences::deleteKey($_COOKIE['oc_username'], 'login_token', $_COOKIE['oc_token']);
$token = OC_Util::generate_random_bytes(32);
OC_Preferences::setValue($_COOKIE['oc_username'], 'login_token', $token, time());
OC_User::setMagicInCookie($_COOKIE['oc_username'], $token);
// login
OC_User::setUserId($_COOKIE['oc_username']);
OC_Util::redirectToDefaultPage();
// doesn't return
}
// 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_Log::write('core', 'Authentication cookie rejected for user ' . $_COOKIE['oc_username'], OC_Log::WARN);
}
OC_User::unsetMagicInCookie();
return true;
}
protected static function tryFormLogin() {
if (!isset($_POST["user"]) || !isset($_POST['password'])) {
return false;
}
OC_App::loadApps();
//setup extra user backends
OC_User::setupBackends();
if (OC_User::login($_POST["user"], $_POST["password"])) {
// setting up the time zone
if (isset($_POST['timezone-offset'])) { self::$session->set('timezone', $_POST['timezone-offset']);
}
self::cleanupLoginTokens($_POST['user']);
if (!empty($_POST["remember_login"])) {
if (defined("DEBUG") && DEBUG) {
OC_Log::write('core', 'Setting remember login to cookie', OC_Log::DEBUG);
}
$token = OC_Util::generate_random_bytes(32);
OC_Preferences::setValue($_POST['user'], 'login_token', $token, time());
OC_User::setMagicInCookie($_POST["user"], $token);
} else {
OC_User::unsetMagicInCookie();
}
OC_Util::redirectToDefaultPage();
exit();
}
return true;
}
protected static function tryBasicAuthLogin() {
if (!isset($_SERVER["PHP_AUTH_USER"])
|| !isset($_SERVER["PHP_AUTH_PW"])
) {
return false;
}
OC_App::loadApps(array('authentication'));
if (OC_User::login($_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"])) {
//OC_Log::write('core',"Logged in with HTTP Authentication", OC_Log::DEBUG);
OC_User::unsetMagicInCookie();
$_REQUEST['redirect_url'] = OC_Request::requestUri();
OC_Util::redirectToDefaultPage();
}
return true;
}
}
// define runtime variables - unless this already has been done
if (!isset($RUNTIME_NOAPPS)) {
$RUNTIME_NOAPPS = false;
}
if (!function_exists('get_temp_dir')) {
function get_temp_dir() {
if ($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();