599 lines
19 KiB
PHP
599 lines
19 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 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 array of the apps folder on the server (e.g. /srv/http/owncloud) 'path' and
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* web path in 'url'
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*/
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public static $APPSROOTS = array();
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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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/** @TODO: Remove this when necessary
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Remove "apps/" from inclusion path for smooth migration to mutli app dir
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*/
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$path = str_replace('apps/', '', OC::$CLASSPATH[$className]);
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require_once $path;
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}
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elseif(strpos($className, 'OC_')===0) {
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$path = strtolower(str_replace('_', '/', substr($className, 3)) . '.php');
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}
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elseif(strpos($className, 'OCP\\')===0) {
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$path = 'public/'.strtolower(str_replace('\\', '/', substr($className, 3)) . '.php');
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}
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elseif(strpos($className, 'OCA\\')===0) {
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$path = 'apps/'.strtolower(str_replace('\\', '/', substr($className, 3)) . '.php');
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}
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elseif(strpos($className, 'Sabre_')===0) {
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$path = str_replace('_', '/', $className) . '.php';
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}
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elseif(strpos($className, 'Test_')===0) {
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$path = 'tests/lib/'.strtolower(str_replace('_', '/', substr($className, 5)) . '.php');
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}else{
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return false;
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}
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if($fullPath = stream_resolve_include_path($path)) {
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require_once $path;
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}
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return false;
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}
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public static function initPaths() {
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// calculate the root directories
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OC::$SERVERROOT=str_replace("\\", '/', substr(__FILE__, 0, -13));
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OC::$SUBURI= str_replace("\\", "/", substr(realpath($_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::$SUBURI));
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if(OC::$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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$config_paths = OC_Config::getValue('apps_paths', array());
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if(! empty($config_paths)) {
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foreach($config_paths as $paths) {
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if( isset($paths['url']) && isset($paths['path'])) {
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$paths['url'] = rtrim($paths['url'], '/');
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$paths['path'] = rtrim($paths['path'], '/');
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OC::$APPSROOTS[] = $paths;
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}
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}
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}elseif(file_exists(OC::$SERVERROOT.'/apps')) {
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OC::$APPSROOTS[] = array('path'=> OC::$SERVERROOT.'/apps', 'url' => '/apps', 'writable' => true);
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}elseif(file_exists(OC::$SERVERROOT.'/../apps')) {
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OC::$APPSROOTS[] = array('path'=> rtrim(dirname(OC::$SERVERROOT), '/').'/apps', 'url' => '/apps', 'writable' => true);
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}
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if(empty(OC::$APPSROOTS)) {
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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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$paths = array();
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foreach( OC::$APPSROOTS as $path)
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$paths[] = $path['path'];
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// set the right include path
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set_include_path(
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OC::$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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implode($paths,PATH_SEPARATOR).PATH_SEPARATOR.
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get_include_path().PATH_SEPARATOR.
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OC::$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::$SUBURI != '/index.php') {
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if(!OC::$CLI) {
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$url = 'http://'.$_SERVER['SERVER_NAME'].OC::$WEBROOT.'/index.php';
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header("Location: $url");
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}
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exit();
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}
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}
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public static function checkSSL() {
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// redirect to https site if configured
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if( OC_Config::getValue( "forcessl", false )) {
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ini_set("session.cookie_secure", "on");
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if(OC_Request::serverProtocol()<>'https' and !OC::$CLI) {
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$url = "https://". OC_Request::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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$tmpl->printPage();
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exit;
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}
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$minimizerCSS = new OC_Minimizer_CSS();
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$minimizerCSS->clearCache();
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$minimizerJS = new OC_Minimizer_JS();
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$minimizerJS->clearCache();
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OC_Config::setValue('version', implode('.', OC_Util::getVersion()));
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OC_App::checkAppsRequirements();
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// load all apps to also upgrade enabled apps
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OC_App::loadApps();
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}
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}
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}
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public static function initTemplateEngine() {
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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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if( OC_Config::getValue( 'installed', false )) {
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if( OC_Appconfig::getValue( 'core', 'backgroundjobs_mode', 'ajax' ) == 'ajax' ) {
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OC_Util::addScript( 'backgroundjobs' );
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}
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}
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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 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'], $matches)) {
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list($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'], $matches)) {
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list($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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// set debug mode if an xdebug session is active
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if (!defined('DEBUG') || !DEBUG) {
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if(isset($_COOKIE['XDEBUG_SESSION'])) {
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define('DEBUG', true);
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}
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}
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// register the stream wrappers
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require_once 'streamwrappers.php';
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stream_wrapper_register("fakedir", "OC_FakeDirStream");
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stream_wrapper_register('static', 'OC_StaticStreamWrapper');
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stream_wrapper_register('close', 'OC_CloseStreamWrapper');
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self::checkInstalled();
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self::checkSSL();
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self::initSession();
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self::initTemplateEngine();
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self::checkUpgrade();
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$errors=OC_Util::checkServer();
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if(count($errors)>0) {
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OC_Template::printGuestPage('', 'error', array('errors' => $errors));
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exit;
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}
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// User and Groups
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if( !OC_Config::getValue( "installed", false )) {
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$_SESSION['user_id'] = '';
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}
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OC_User::useBackend(new OC_User_Database());
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OC_Group::useBackend(new OC_Group_Database());
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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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//setup extra user backends
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OC_User::setupBackends();
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// register cache cleanup jobs
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OC_BackgroundJob_RegularTask::register('OC_Cache_FileGlobal', 'gc');
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OC_Hook::connect('OC_User', 'post_login', 'OC_Cache_File', 'loginListener');
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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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OC_Hook::connect('OC_Filesystem', 'rename', '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']) && trim($_GET['app']) != '' && !is_null($_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($_GET['app'], strpos($_GET['app'], '?') + 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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$subdir = OC_App::getAppPath(OC::$REQUESTEDAPP) . '/' . self::$REQUESTEDFILE;
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$parent = OC_App::getAppPath(OC::$REQUESTEDAPP);
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if(!OC_Helper::issubdirectory($subdir, $parent)) {
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self::$REQUESTEDFILE = null;
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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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}
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/**
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* @brief Handle the request
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*/
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public static function handleRequest() {
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if (!OC_Config::getValue('installed', false)) {
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// Check for autosetup:
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$autosetup_file = OC::$SERVERROOT."/config/autoconfig.php";
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if( file_exists( $autosetup_file )) {
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OC_Log::write('core', 'Autoconfig file found, setting up owncloud...', OC_Log::INFO);
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include $autosetup_file;
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$_POST['install'] = 'true';
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$_POST = array_merge ($_POST, $AUTOCONFIG);
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unlink($autosetup_file);
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}
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OC_Util::addScript('setup');
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require_once 'setup.php';
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exit();
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}
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// Handle WebDAV
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if($_SERVER['REQUEST_METHOD']=='PROPFIND') {
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header('location: '.OC_Helper::linkToRemote('webdav'));
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return;
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}
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// Handle app css files
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if(substr(OC::$REQUESTEDFILE, -3) == 'css') {
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self::loadCSSFile();
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return;
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}
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// Someone is logged in :
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if(OC_User::isLoggedIn()) {
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OC_App::loadApps();
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OC_User::setupBackends();
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if(isset($_GET["logout"]) and ($_GET["logout"])) {
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OC_User::logout();
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header("Location: ".OC::$WEBROOT.'/');
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}else{
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$app = OC::$REQUESTEDAPP;
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$file = OC::$REQUESTEDFILE;
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if(is_null($file)) {
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$file = 'index.php';
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}
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$file_ext = substr($file, -3);
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if ($file_ext != 'php'|| !self::loadAppScriptFile($app, $file)) {
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header('HTTP/1.0 404 Not Found');
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}
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}
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return;
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}
|
||
// Not handled and not logged in
|
||
self::handleLogin();
|
||
}
|
||
|
||
protected static function loadAppScriptFile($app, $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;
|
||
}
|
||
|
||
protected static function loadCSSFile() {
|
||
$app = OC::$REQUESTEDAPP;
|
||
$file = OC::$REQUESTEDFILE;
|
||
$app_path = OC_App::getAppPath($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 = false;
|
||
// remember was checked after last login
|
||
if (OC::tryRememberLogin()) {
|
||
// nothing more to do
|
||
|
||
// Someone wants to log in :
|
||
} elseif (OC::tryFormLogin()) {
|
||
$error = true;
|
||
|
||
// The user is already authenticated using Apaches AuthType Basic... very usable in combination with LDAP
|
||
} elseif (OC::tryBasicAuthLogin()) {
|
||
$error = true;
|
||
}
|
||
OC_Util::displayLoginPage($error);
|
||
}
|
||
|
||
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']) &&
|
||
OC_Preferences::getValue($_COOKIE['oc_username'], "login", "token") === $_COOKIE['oc_token'])
|
||
{
|
||
OC_User::setUserId($_COOKIE['oc_username']);
|
||
OC_Util::redirectToDefaultPage();
|
||
}
|
||
else {
|
||
OC_User::unsetMagicInCookie();
|
||
}
|
||
return true;
|
||
}
|
||
|
||
protected static function tryFormLogin() {
|
||
if(!isset($_POST["user"])
|
||
|| !isset($_POST['password'])
|
||
|| !isset($_SESSION['sectoken'])
|
||
|| !isset($_POST['sectoken'])
|
||
|| ($_SESSION['sectoken']!=$_POST['sectoken']) ) {
|
||
return false;
|
||
}
|
||
|
||
OC_App::loadApps();
|
||
|
||
//setup extra user backends
|
||
OC_User::setupBackends();
|
||
|
||
if(OC_User::login($_POST["user"], $_POST["password"])) {
|
||
if(!empty($_POST["remember_login"])) {
|
||
if(defined("DEBUG") && DEBUG) {
|
||
OC_Log::write('core', 'Setting remember login to cookie', OC_Log::DEBUG);
|
||
}
|
||
$token = md5($_POST["user"].time().$_POST['password']);
|
||
OC_Preferences::setValue($_POST['user'], 'login', 'token', $token);
|
||
OC_User::setMagicInCookie($_POST["user"], $token);
|
||
}
|
||
else {
|
||
OC_User::unsetMagicInCookie();
|
||
}
|
||
OC_Util::redirectToDefaultPage();
|
||
}
|
||
return true;
|
||
}
|
||
|
||
protected static function tryBasicAuthLogin() {
|
||
if (!isset($_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();
|
||
$_REQUEST['redirect_url'] = (isset($_SERVER['REQUEST_URI'])?$_SERVER['REQUEST_URI']:'');
|
||
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();
|