486 lines
16 KiB
PHP
486 lines
16 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @copyright 2012 Frank Karlitschek frank@owncloud.org
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* Class that is a namespace for all global OC variables
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* No, we can not put this class in its own file because it is used by
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* OC_autoload!
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*/
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class OC{
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/**
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* Assoziative array for autoloading. classname => filename
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*/
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public static $CLASSPATH = array();
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/**
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* The installation path for owncloud on the server (e.g. /srv/http/owncloud)
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*/
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public static $SERVERROOT = '';
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/**
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* the current request path relative to the owncloud root (e.g. files/index.php)
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*/
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private static $SUBURI = '';
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/**
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* the owncloud root path for http requests (e.g. owncloud/)
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*/
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public static $WEBROOT = '';
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/**
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* the folder that stores that data files for the filesystem of the user (e.g. /srv/http/owncloud/data/myusername/files)
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*/
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public static $CONFIG_DATADIRECTORY = '';
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/**
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* The installation path of the 3rdparty folder on the server (e.g. /srv/http/owncloud/3rdparty)
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*/
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public static $THIRDPARTYROOT = '';
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/**
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* the root path of the 3rdparty folder for http requests (e.g. owncloud/3rdparty)
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*/
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public static $THIRDPARTYWEBROOT = '';
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/**
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* The installation path of the apps folder on the server (e.g. /srv/http/owncloud)
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*/
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public static $APPSROOT = '';
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/**
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* the root path of the apps folder for http requests (e.g. owncloud)
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*/
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public static $APPSWEBROOT = '';
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/*
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* requested app
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*/
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public static $REQUESTEDAPP = '';
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/*
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* requested file of app
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*/
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public static $REQUESTEDFILE = '';
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/**
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* check if owncloud runs in cli mode
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*/
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public static $CLI = false;
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/**
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* SPL autoload
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*/
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public static function autoload($className){
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if(array_key_exists($className,OC::$CLASSPATH)){
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require_once OC::$CLASSPATH[$className];
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}
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elseif(strpos($className,'OC_')===0){
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require_once strtolower(str_replace('_','/',substr($className,3)) . '.php');
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}
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elseif(strpos($className,'OCP\\')===0){
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require_once 'public/'.strtolower(str_replace('\\','/',substr($className,3)) . '.php');
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}
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elseif(strpos($className,'Sabre_')===0) {
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require_once str_replace('_','/',$className) . '.php';
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}
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elseif(strpos($className,'Test_')===0){
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require_once 'tests/lib/'.strtolower(str_replace('_','/',substr($className,5)) . '.php');
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}
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}
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/**
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* autodetects the formfactor of the used device
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* default -> the normal desktop browser interface
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* mobile -> interface for smartphones
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* tablet -> interface for tablets
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* 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.
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*/
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public static function detectFormfactor(){
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// please add more useragent strings for other devices
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if(isset($_SERVER['HTTP_USER_AGENT'])){
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if(stripos($_SERVER['HTTP_USER_AGENT'],'ipad')>0) {
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$mode='tablet';
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}elseif(stripos($_SERVER['HTTP_USER_AGENT'],'iphone')>0){
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$mode='mobile';
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}elseif((stripos($_SERVER['HTTP_USER_AGENT'],'N9')>0) and (stripos($_SERVER['HTTP_USER_AGENT'],'nokia')>0)){
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$mode='mobile';
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}else{
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$mode='default';
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}
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}else{
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$mode='default';
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}
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return($mode);
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}
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public static function initPaths(){
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// calculate the documentroot
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$DOCUMENTROOT=realpath($_SERVER['DOCUMENT_ROOT']);
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OC::$SERVERROOT=str_replace("\\",'/',substr(__FILE__,0,-13));
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OC::$SUBURI=substr(realpath($_SERVER["SCRIPT_FILENAME"]),strlen(OC::$SERVERROOT));
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$scriptName=$_SERVER["SCRIPT_NAME"];
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if(substr($scriptName,-1)=='/'){
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$scriptName.='index.php';
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//make sure suburi follows the same rules as scriptName
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if(substr(OC::$SUBURI,-9)!='index.php'){
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if(substr(OC::$SUBURI,-1)!='/'){
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OC::$SUBURI=OC::$SUBURI.'/';
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}
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OC::$SUBURI=OC::$SUBURI.'index.php';
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}
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}
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OC::$WEBROOT=substr($scriptName,0,strlen($scriptName)-strlen(OC::$SUBURI));
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// try a new way to detect the WEBROOT which is simpler and also works with the app directory outside the owncloud folder. let´s see if this works for everybody
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// OC::$WEBROOT=substr(OC::$SERVERROOT,strlen($DOCUMENTROOT));
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if(OC::$WEBROOT!='' and OC::$WEBROOT[0]!=='/'){
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OC::$WEBROOT='/'.OC::$WEBROOT;
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}
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// ensure we can find OC_Config
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set_include_path(
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OC::$SERVERROOT.'/lib'.PATH_SEPARATOR.
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get_include_path()
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);
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// search the 3rdparty folder
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if(OC_Config::getValue('3rdpartyroot', '')<>'' and OC_Config::getValue('3rdpartyurl', '')<>''){
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OC::$THIRDPARTYROOT=OC_Config::getValue('3rdpartyroot', '');
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OC::$THIRDPARTYWEBROOT=OC_Config::getValue('3rdpartyurl', '');
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}elseif(file_exists(OC::$SERVERROOT.'/3rdparty')){
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OC::$THIRDPARTYROOT=OC::$SERVERROOT;
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OC::$THIRDPARTYWEBROOT=OC::$WEBROOT;
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}elseif(file_exists(OC::$SERVERROOT.'/../3rdparty')){
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OC::$THIRDPARTYWEBROOT=rtrim(dirname(OC::$WEBROOT), '/');
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OC::$THIRDPARTYROOT=rtrim(dirname(OC::$SERVERROOT), '/');
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}else{
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echo("3rdparty directory not found! Please put the ownCloud 3rdparty folder in the ownCloud folder or the folder above. You can also configure the location in the config.php file.");
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exit;
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}
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// search the apps folder
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if(OC_Config::getValue('appsroot', '')<>''){
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OC::$APPSROOT=OC_Config::getValue('appsroot', '');
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OC::$APPSWEBROOT=OC_Config::getValue('appsurl', '');
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}elseif(file_exists(OC::$SERVERROOT.'/apps')){
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OC::$APPSROOT=OC::$SERVERROOT;
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OC::$APPSWEBROOT=OC::$WEBROOT;
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}elseif(file_exists(OC::$SERVERROOT.'/../apps')){
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OC::$APPSROOT=rtrim(dirname(OC::$SERVERROOT), '/');
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OC::$APPSWEBROOT=rtrim(dirname(OC::$WEBROOT), '/');
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}else{
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echo("apps directory not found! Please put the ownCloud apps folder in the ownCloud folder or the folder above. You can also configure the location in the config.php file.");
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exit;
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}
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// set the right include path
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set_include_path(
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OC::$SERVERROOT.'/lib'.PATH_SEPARATOR.
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OC::$SERVERROOT.'/config'.PATH_SEPARATOR.
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OC::$THIRDPARTYROOT.'/3rdparty'.PATH_SEPARATOR.
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OC::$APPSROOT.PATH_SEPARATOR.
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OC::$APPSROOT.'/apps'.PATH_SEPARATOR.
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get_include_path().PATH_SEPARATOR.
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OC::$SERVERROOT
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);
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}
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public static function checkInstalled() {
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// Redirect to installer if not installed
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if (!OC_Config::getValue('installed', false) && OC::$SUBURI != '/index.php') {
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$url = 'http://'.$_SERVER['SERVER_NAME'].OC::$WEBROOT.'/index.php';
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header("Location: $url");
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exit();
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}
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}
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public static function checkSSL() {
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// redirect to https site if configured
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if( OC_Config::getValue( "forcessl", false )){
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ini_set("session.cookie_secure", "on");
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if(OC_Helper::serverProtocol()<>'https') {
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$url = "https://". OC_Helper::serverHost() . $_SERVER['REQUEST_URI'];
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header("Location: $url");
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exit();
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}
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}
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}
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public static function checkUpgrade() {
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if(OC_Config::getValue('installed', false)){
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$installedVersion=OC_Config::getValue('version','0.0.0');
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$currentVersion=implode('.',OC_Util::getVersion());
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if (version_compare($currentVersion, $installedVersion, '>')) {
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OC_Log::write('core','starting upgrade from '.$installedVersion.' to '.$currentVersion,OC_Log::DEBUG);
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$result=OC_DB::updateDbFromStructure(OC::$SERVERROOT.'/db_structure.xml');
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if(!$result){
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echo 'Error while upgrading the database';
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die();
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}
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if(file_exists(OC::$SERVERROOT."/config/config.php") and !is_writable(OC::$SERVERROOT."/config/config.php")) {
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$tmpl = new OC_Template( '', 'error', 'guest' );
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$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")));
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$tmpl->printPage();
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exit;
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}
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OC_Config::setValue('version',implode('.',OC_Util::getVersion()));
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}
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OC_App::updateApps();
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}
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}
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public static function initTemplateEngine() {
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// if the formfactor is not yet autodetected do the autodetection now. For possible forfactors check the detectFormfactor documentation
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if(!isset($_SESSION['formfactor'])){
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$_SESSION['formfactor']=OC::detectFormfactor();
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}
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// allow manual override via GET parameter
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if(isset($_GET['formfactor'])){
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$_SESSION['formfactor']=$_GET['formfactor'];
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}
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// Add the stuff we need always
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OC_Util::addScript( "jquery-1.7.2.min" );
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OC_Util::addScript( "jquery-ui-1.8.16.custom.min" );
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OC_Util::addScript( "jquery-showpassword" );
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OC_Util::addScript( "jquery.infieldlabel.min" );
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OC_Util::addScript( "jquery-tipsy" );
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OC_Util::addScript( "oc-dialogs" );
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OC_Util::addScript( "js" );
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OC_Util::addScript( "eventsource" );
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OC_Util::addScript( "config" );
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//OC_Util::addScript( "multiselect" );
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OC_Util::addScript('search','result');
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OC_Util::addStyle( "styles" );
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OC_Util::addStyle( "multiselect" );
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OC_Util::addStyle( "jquery-ui-1.8.16.custom" );
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OC_Util::addStyle( "jquery-tipsy" );
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}
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public static function initSession() {
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ini_set('session.cookie_httponly','1;');
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session_start();
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}
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public static function loadapp(){
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if(file_exists(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/index.php')){
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require_once(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/index.php');
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}else{
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trigger_error('The requested App was not found.', E_USER_ERROR);//load default app instead?
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}
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}
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public static function loadfile(){
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if(file_exists(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE)){
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if(substr(OC::$REQUESTEDFILE, -3) == 'css'){
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$file = 'apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE;
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$minimizer = new OC_Minimizer_CSS();
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$minimizer->output(array(array(OC::$APPSROOT, OC::$APPSWEBROOT, $file)));
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exit;
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}elseif(substr(OC::$REQUESTEDFILE, -3) == 'php'){
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require_once(OC::$APPSROOT . '/apps/' . OC::$REQUESTEDAPP . '/' . OC::$REQUESTEDFILE);
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}
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}else{
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header('HTTP/1.0 404 Not Found');
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exit;
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}
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}
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public static function init(){
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// register autoloader
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spl_autoload_register(array('OC','autoload'));
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setlocale(LC_ALL, 'en_US.UTF-8');
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// set some stuff
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//ob_start();
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error_reporting(E_ALL | E_STRICT);
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if (defined('DEBUG') && DEBUG){
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ini_set('display_errors', 1);
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}
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self::$CLI=(php_sapi_name() == 'cli');
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date_default_timezone_set('UTC');
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ini_set('arg_separator.output','&');
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// try to switch magic quotes off.
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if(function_exists('set_magic_quotes_runtime')) {
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@set_magic_quotes_runtime(false);
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}
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//try to configure php to enable big file uploads.
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//this doesn´t work always depending on the webserver and php configuration.
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//Let´s try to overwrite some defaults anyways
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//try to set the maximum execution time to 60min
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@set_time_limit(3600);
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@ini_set('max_execution_time',3600);
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@ini_set('max_input_time',3600);
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//try to set the maximum filesize to 10G
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@ini_set('upload_max_filesize','10G');
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@ini_set('post_max_size','10G');
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@ini_set('file_uploads','50');
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//try to set the session lifetime to 60min
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@ini_set('gc_maxlifetime','3600');
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//set http auth headers for apache+php-cgi work around
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if (isset($_SERVER['HTTP_AUTHORIZATION']) && preg_match('/Basic\s+(.*)$/i', $_SERVER['HTTP_AUTHORIZATION'], $matches))
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{
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list($name, $password) = explode(':', base64_decode($matches[1]));
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$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
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$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
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}
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//set http auth headers for apache+php-cgi work around if variable gets renamed by apache
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if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION']) && preg_match('/Basic\s+(.*)$/i', $_SERVER['REDIRECT_HTTP_AUTHORIZATION'], $matches))
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{
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list($name, $password) = explode(':', base64_decode($matches[1]));
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$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
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$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
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}
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self::initPaths();
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// register the stream wrappers
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require_once('streamwrappers.php');
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stream_wrapper_register("fakedir", "OC_FakeDirStream");
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stream_wrapper_register('static', 'OC_StaticStreamWrapper');
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stream_wrapper_register('close', 'OC_CloseStreamWrapper');
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self::checkInstalled();
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self::checkSSL();
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// CSRF protection
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if(isset($_SERVER['HTTP_REFERER'])) $referer=$_SERVER['HTTP_REFERER']; else $referer='';
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$refererhost=parse_url($referer);
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if(isset($refererhost['host'])) $refererhost=$refererhost['host']; else $refererhost='';
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$server=OC_Helper::serverHost();
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$serverhost=explode(':',$server);
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$serverhost=$serverhost['0'];
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if(!self::$CLI){
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if(($_SERVER['REQUEST_METHOD']=='POST') and ($refererhost<>$serverhost)) {
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$url = OC_Helper::serverProtocol().'://'.$server.OC::$WEBROOT.'/index.php';
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header("Location: $url");
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exit();
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}
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}
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self::initSession();
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self::initTemplateEngine();
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self::checkUpgrade();
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$errors=OC_Util::checkServer();
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if(count($errors)>0) {
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OC_Template::printGuestPage('', 'error', array('errors' => $errors));
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exit;
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}
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// TODO: we should get rid of this one, too
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// WARNING: to make everything even more confusing,
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// DATADIRECTORY is a var that changes and DATADIRECTORY_ROOT
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// stays the same, but is set by "datadirectory".
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// Any questions?
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OC::$CONFIG_DATADIRECTORY = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
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// User and Groups
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if( !OC_Config::getValue( "installed", false )){
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$_SESSION['user_id'] = '';
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}
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OC_User::useBackend( OC_Config::getValue( "userbackend", "database" ));
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OC_Group::useBackend(new OC_Group_Database());
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// Set up file system unless forbidden
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global $RUNTIME_NOSETUPFS;
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if(!$RUNTIME_NOSETUPFS ){
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OC_Util::setupFS();
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}
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// Load Apps
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// This includes plugins for users and filesystems as well
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global $RUNTIME_NOAPPS;
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global $RUNTIME_APPTYPES;
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if(!$RUNTIME_NOAPPS ){
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if($RUNTIME_APPTYPES){
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OC_App::loadApps($RUNTIME_APPTYPES);
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}else{
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OC_App::loadApps();
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}
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}
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// Check for blacklisted files
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OC_Hook::connect('OC_Filesystem','write','OC_Filesystem','isBlacklisted');
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//make sure temporary files are cleaned up
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register_shutdown_function(array('OC_Helper','cleanTmp'));
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//parse the given parameters
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self::$REQUESTEDAPP = (isset($_GET['app'])?str_replace(array('\0', '/', '\\', '..'), '', strip_tags($_GET['app'])):OC_Config::getValue('defaultapp', 'files'));
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if(substr_count(self::$REQUESTEDAPP, '?') != 0){
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$app = substr(self::$REQUESTEDAPP, 0, strpos(self::$REQUESTEDAPP, '?'));
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$param = substr(self::$REQUESTEDAPP, strpos(self::$REQUESTEDAPP, '?') + 1);
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parse_str($param, $get);
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$_GET = array_merge($_GET, $get);
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self::$REQUESTEDAPP = $app;
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$_GET['app'] = $app;
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}
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self::$REQUESTEDFILE = (isset($_GET['getfile'])?$_GET['getfile']:null);
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if(substr_count(self::$REQUESTEDFILE, '?') != 0){
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$file = substr(self::$REQUESTEDFILE, 0, strpos(self::$REQUESTEDFILE, '?'));
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$param = substr(self::$REQUESTEDFILE, strpos(self::$REQUESTEDFILE, '?') + 1);
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parse_str($param, $get);
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$_GET = array_merge($_GET, $get);
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self::$REQUESTEDFILE = $file;
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$_GET['getfile'] = $file;
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}
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if(!is_null(self::$REQUESTEDFILE)){
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$subdir = OC::$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();
|