489 lines
16 KiB
PHP
489 lines
16 KiB
PHP
<?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/>.
|
||
*
|
||
*/
|
||
|
||
/**
|
||
* 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{
|
||
/**
|
||
* Assoziative 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 folder that stores that data files for the filesystem of the user (e.g. /srv/http/owncloud/data/myusername/files)
|
||
*/
|
||
public static $CONFIG_DATADIRECTORY = '';
|
||
/**
|
||
* 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 of the apps folder on the server (e.g. /srv/http/owncloud)
|
||
*/
|
||
public static $APPSROOT = '';
|
||
/**
|
||
* the root path of the apps folder for http requests (e.g. owncloud)
|
||
*/
|
||
public static $APPSWEBROOT = '';
|
||
/*
|
||
* requested app
|
||
*/
|
||
public static $REQUESTEDAPP = '';
|
||
/*
|
||
* requested file of app
|
||
*/
|
||
public static $REQUESTEDFILE = '';
|
||
/**
|
||
* check if owncloud runs in cli mode
|
||
*/
|
||
public static $CLI = false;
|
||
/**
|
||
* SPL autoload
|
||
*/
|
||
public static function autoload($className){
|
||
if(array_key_exists($className,OC::$CLASSPATH)){
|
||
require_once OC::$CLASSPATH[$className];
|
||
}
|
||
elseif(strpos($className,'OC_')===0){
|
||
require_once strtolower(str_replace('_','/',substr($className,3)) . '.php');
|
||
}
|
||
elseif(strpos($className,'OCP\\')===0){
|
||
require_once 'public/'.strtolower(str_replace('\\','/',substr($className,3)) . '.php');
|
||
}
|
||
elseif(strpos($className,'Sabre_')===0) {
|
||
require_once str_replace('_','/',$className) . '.php';
|
||
}
|
||
elseif(strpos($className,'Test_')===0){
|
||
require_once 'tests/lib/'.strtolower(str_replace('_','/',substr($className,5)) . '.php');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* autodetects the formfactor of the used device
|
||
* default -> the normal desktop browser interface
|
||
* mobile -> interface for smartphones
|
||
* tablet -> interface for tablets
|
||
* standalone -> the default interface but without header, footer and sidebar. just the application. useful to ue just a specific app on the desktop in a standalone window.
|
||
*/
|
||
public static function detectFormfactor(){
|
||
// please add more useragent strings for other devices
|
||
if(isset($_SERVER['HTTP_USER_AGENT'])){
|
||
if(stripos($_SERVER['HTTP_USER_AGENT'],'ipad')>0) {
|
||
$mode='tablet';
|
||
}elseif(stripos($_SERVER['HTTP_USER_AGENT'],'iphone')>0){
|
||
$mode='mobile';
|
||
}elseif((stripos($_SERVER['HTTP_USER_AGENT'],'N9')>0) and (stripos($_SERVER['HTTP_USER_AGENT'],'nokia')>0)){
|
||
$mode='mobile';
|
||
}else{
|
||
$mode='default';
|
||
}
|
||
}else{
|
||
$mode='default';
|
||
}
|
||
return($mode);
|
||
}
|
||
|
||
public static function initPaths(){
|
||
// calculate the documentroot
|
||
$DOCUMENTROOT=realpath($_SERVER['DOCUMENT_ROOT']);
|
||
OC::$SERVERROOT=str_replace("\\",'/',substr(__FILE__,0,-13));
|
||
OC::$SUBURI=substr(realpath($_SERVER["SCRIPT_FILENAME"]),strlen(OC::$SERVERROOT));
|
||
$scriptName=$_SERVER["SCRIPT_NAME"];
|
||
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::$SUBURI));
|
||
// try a new way to detect the WEBROOT which is simpler and also works with the app directory outside the owncloud folder. let´s see if this works for everybody
|
||
// OC::$WEBROOT=substr(OC::$SERVERROOT,strlen($DOCUMENTROOT));
|
||
|
||
|
||
if(OC::$WEBROOT!='' and OC::$WEBROOT[0]!=='/'){
|
||
OC::$WEBROOT='/'.OC::$WEBROOT;
|
||
}
|
||
|
||
// ensure we can find OC_Config
|
||
set_include_path(
|
||
OC::$SERVERROOT.'/lib'.PATH_SEPARATOR.
|
||
get_include_path()
|
||
);
|
||
|
||
// search the 3rdparty folder
|
||
if(OC_Config::getValue('3rdpartyroot', '')<>'' and OC_Config::getValue('3rdpartyurl', '')<>''){
|
||
OC::$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::$SERVERROOT), '/');
|
||
}else{
|
||
echo("3rdparty directory not found! Please put the ownCloud 3rdparty folder in the ownCloud folder or the folder above. You can also configure the location in the config.php file.");
|
||
exit;
|
||
}
|
||
|
||
// search the apps folder
|
||
if(OC_Config::getValue('appsroot', '')<>''){
|
||
OC::$APPSROOT=OC_Config::getValue('appsroot', '');
|
||
OC::$APPSWEBROOT=OC_Config::getValue('appsurl', '');
|
||
}elseif(file_exists(OC::$SERVERROOT.'/apps')){
|
||
OC::$APPSROOT=OC::$SERVERROOT;
|
||
OC::$APPSWEBROOT=OC::$WEBROOT;
|
||
}elseif(file_exists(OC::$SERVERROOT.'/../apps')){
|
||
OC::$APPSROOT=rtrim(dirname(OC::$SERVERROOT), '/');
|
||
OC::$APPSWEBROOT=rtrim(dirname(OC::$WEBROOT), '/');
|
||
}else{
|
||
echo("apps directory not found! Please put the ownCloud apps folder in the ownCloud folder or the folder above. You can also configure the location in the config.php file.");
|
||
exit;
|
||
}
|
||
|
||
// set the right include path
|
||
set_include_path(
|
||
OC::$SERVERROOT.'/lib'.PATH_SEPARATOR.
|
||
OC::$SERVERROOT.'/config'.PATH_SEPARATOR.
|
||
OC::$THIRDPARTYROOT.'/3rdparty'.PATH_SEPARATOR.
|
||
OC::$APPSROOT.PATH_SEPARATOR.
|
||
OC::$APPSROOT.'/apps'.PATH_SEPARATOR.
|
||
get_include_path().PATH_SEPARATOR.
|
||
OC::$SERVERROOT
|
||
);
|
||
}
|
||
|
||
public static function checkInstalled() {
|
||
// Redirect to installer if not installed
|
||
if (!OC_Config::getValue('installed', false) && OC::$SUBURI != '/index.php') {
|
||
$url = 'http://'.$_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 )){
|
||
ini_set("session.cookie_secure", "on");
|
||
if(OC_Helper::serverProtocol()<>'https') {
|
||
$url = "https://". OC_Helper::serverHost() . $_SERVER['REQUEST_URI'];
|
||
header("Location: $url");
|
||
exit();
|
||
}
|
||
}
|
||
}
|
||
|
||
public static function checkUpgrade() {
|
||
if(OC_Config::getValue('installed', false)){
|
||
$installedVersion=OC_Config::getValue('version','0.0.0');
|
||
$currentVersion=implode('.',OC_Util::getVersion());
|
||
if (version_compare($currentVersion, $installedVersion, '>')) {
|
||
OC_Log::write('core','starting upgrade from '.$installedVersion.' to '.$currentVersion,OC_Log::DEBUG);
|
||
$result=OC_DB::updateDbFromStructure(OC::$SERVERROOT.'/db_structure.xml');
|
||
if(!$result){
|
||
echo 'Error while upgrading the database';
|
||
die();
|
||
}
|
||
if(file_exists(OC::$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")));
|
||
$tmpl->printPage();
|
||
exit;
|
||
}
|
||
|
||
OC_Config::setValue('version',implode('.',OC_Util::getVersion()));
|
||
}
|
||
|
||
OC_AppConfig::setValue('core', 'remote_core.css', '/core/minimizer.php');
|
||
OC_AppConfig::setValue('core', 'remote_core.js', '/core/minimizer.php');
|
||
|
||
OC_App::updateApps();
|
||
}
|
||
}
|
||
|
||
public static function initTemplateEngine() {
|
||
// if the formfactor is not yet autodetected do the autodetection now. For possible forfactors check the detectFormfactor documentation
|
||
if(!isset($_SESSION['formfactor'])){
|
||
$_SESSION['formfactor']=OC::detectFormfactor();
|
||
}
|
||
// allow manual override via GET parameter
|
||
if(isset($_GET['formfactor'])){
|
||
$_SESSION['formfactor']=$_GET['formfactor'];
|
||
}
|
||
|
||
// Add the stuff we need always
|
||
OC_Util::addScript( "jquery-1.7.2.min" );
|
||
OC_Util::addScript( "jquery-ui-1.8.16.custom.min" );
|
||
OC_Util::addScript( "jquery-showpassword" );
|
||
OC_Util::addScript( "jquery.infieldlabel.min" );
|
||
OC_Util::addScript( "jquery-tipsy" );
|
||
OC_Util::addScript( "oc-dialogs" );
|
||
OC_Util::addScript( "js" );
|
||
OC_Util::addScript( "eventsource" );
|
||
OC_Util::addScript( "config" );
|
||
//OC_Util::addScript( "multiselect" );
|
||
OC_Util::addScript('search','result');
|
||
OC_Util::addStyle( "styles" );
|
||
OC_Util::addStyle( "multiselect" );
|
||
OC_Util::addStyle( "jquery-ui-1.8.16.custom" );
|
||
OC_Util::addStyle( "jquery-tipsy" );
|
||
}
|
||
|
||
public static function initSession() {
|
||
ini_set('session.cookie_httponly','1;');
|
||
session_start();
|
||
}
|
||
|
||
public static function loadapp(){
|
||
if(file_exists(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/index.php')){
|
||
require_once(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/index.php');
|
||
}else{
|
||
trigger_error('The requested App was not found.', E_USER_ERROR);//load default app instead?
|
||
}
|
||
}
|
||
|
||
public static function loadfile(){
|
||
if(file_exists(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE)){
|
||
if(substr(OC::$REQUESTEDFILE, -3) == 'css'){
|
||
$file = 'apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE;
|
||
$minimizer = new OC_Minimizer_CSS();
|
||
$minimizer->output(array(array(OC::$APPSROOT, OC::$APPSWEBROOT, $file)));
|
||
exit;
|
||
}elseif(substr(OC::$REQUESTEDFILE, -3) == 'php'){
|
||
require_once(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE);
|
||
}
|
||
}else{
|
||
header('HTTP/1.0 404 Not Found');
|
||
exit;
|
||
}
|
||
}
|
||
|
||
public static function init(){
|
||
// register autoloader
|
||
spl_autoload_register(array('OC','autoload'));
|
||
setlocale(LC_ALL, 'en_US.UTF-8');
|
||
|
||
// set some stuff
|
||
//ob_start();
|
||
error_reporting(E_ALL | E_STRICT);
|
||
if (defined('DEBUG') && DEBUG){
|
||
ini_set('display_errors', 1);
|
||
}
|
||
self::$CLI=(php_sapi_name() == 'cli');
|
||
|
||
date_default_timezone_set('UTC');
|
||
ini_set('arg_separator.output','&');
|
||
|
||
// try to switch magic quotes off.
|
||
if(function_exists('set_magic_quotes_runtime')) {
|
||
@set_magic_quotes_runtime(false);
|
||
}
|
||
|
||
//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');
|
||
|
||
|
||
//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]));
|
||
$_SERVER['PHP_AUTH_USER'] = strip_tags($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]));
|
||
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
|
||
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
|
||
}
|
||
|
||
self::initPaths();
|
||
|
||
// register the stream wrappers
|
||
require_once('streamwrappers.php');
|
||
stream_wrapper_register("fakedir", "OC_FakeDirStream");
|
||
stream_wrapper_register('static', 'OC_StaticStreamWrapper');
|
||
stream_wrapper_register('close', 'OC_CloseStreamWrapper');
|
||
|
||
self::checkInstalled();
|
||
self::checkSSL();
|
||
|
||
// CSRF protection
|
||
if(isset($_SERVER['HTTP_REFERER'])) $referer=$_SERVER['HTTP_REFERER']; else $referer='';
|
||
$refererhost=parse_url($referer);
|
||
if(isset($refererhost['host'])) $refererhost=$refererhost['host']; else $refererhost='';
|
||
$server=OC_Helper::serverHost();
|
||
$serverhost=parse_url($server);
|
||
if(isset($serverhost['host'])) $serverhost=$serverhost['host']; else $serverhost='';
|
||
if(!self::$CLI){
|
||
if(($_SERVER['REQUEST_METHOD']=='POST') and ($refererhost<>$serverhost)) {
|
||
$url = OC_Helper::serverProtocol().'://'.$server.OC::$WEBROOT.'/index.php';
|
||
header("Location: $url");
|
||
exit();
|
||
}
|
||
}
|
||
self::initSession();
|
||
self::initTemplateEngine();
|
||
self::checkUpgrade();
|
||
|
||
$errors=OC_Util::checkServer();
|
||
if(count($errors)>0) {
|
||
OC_Template::printGuestPage('', 'error', array('errors' => $errors));
|
||
exit;
|
||
}
|
||
|
||
// TODO: we should get rid of this one, too
|
||
// WARNING: to make everything even more confusing,
|
||
// DATADIRECTORY is a var that changes and DATADIRECTORY_ROOT
|
||
// stays the same, but is set by "datadirectory".
|
||
// Any questions?
|
||
OC::$CONFIG_DATADIRECTORY = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
|
||
|
||
// User and Groups
|
||
if( !OC_Config::getValue( "installed", false )){
|
||
$_SESSION['user_id'] = '';
|
||
}
|
||
|
||
|
||
OC_User::useBackend( OC_Config::getValue( "userbackend", "database" ));
|
||
OC_Group::useBackend(new OC_Group_Database());
|
||
|
||
// Set up file system unless forbidden
|
||
global $RUNTIME_NOSETUPFS;
|
||
if(!$RUNTIME_NOSETUPFS ){
|
||
OC_Util::setupFS();
|
||
}
|
||
|
||
// 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();
|
||
}
|
||
}
|
||
|
||
// Check for blacklisted files
|
||
OC_Hook::connect('OC_Filesystem','write','OC_Filesystem','isBlacklisted');
|
||
|
||
//make sure temporary files are cleaned up
|
||
register_shutdown_function(array('OC_Helper','cleanTmp'));
|
||
|
||
//parse the given parameters
|
||
self::$REQUESTEDAPP = (isset($_GET['app'])?str_replace(array('\0', '/', '\\', '..'), '', strip_tags($_GET['app'])):OC_Config::getValue('defaultapp', 'files'));
|
||
if(substr_count(self::$REQUESTEDAPP, '?') != 0){
|
||
$app = substr(self::$REQUESTEDAPP, 0, strpos(self::$REQUESTEDAPP, '?'));
|
||
$param = substr(self::$REQUESTEDAPP, strpos(self::$REQUESTEDAPP, '?') + 1);
|
||
parse_str($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)){
|
||
$subdir = OC::$APPSROOT . '/apps/' . self::$REQUESTEDAPP . '/' . self::$REQUESTEDFILE;
|
||
$parent = OC::$APPSROOT . '/apps/' . self::$REQUESTEDAPP;
|
||
if(!OC_Helper::issubdirectory($subdir, $parent)){
|
||
self::$REQUESTEDFILE = null;
|
||
header('HTTP/1.0 404 Not Found');
|
||
exit;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// define runtime variables - unless this already has been done
|
||
if( !isset( $RUNTIME_NOSETUPFS )){
|
||
$RUNTIME_NOSETUPFS = false;
|
||
}
|
||
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();
|