1012 lines
33 KiB
PHP
1012 lines
33 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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require_once 'public/constants.php';
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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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* Associative 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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public static $configDir;
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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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* @var \OC\Session\Session
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*/
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public static $session = null;
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/**
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* @var \OC\Autoloader $loader
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*/
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public static $loader = null;
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/**
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* @var \OC\Server
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*/
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public static $server = null;
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public static function initPaths() {
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// calculate the root directories
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OC::$SERVERROOT = str_replace("\\", '/', substr(__DIR__, 0, -4));
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// ensure we can find OC_Config
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set_include_path(
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OC::$SERVERROOT . '/lib' . PATH_SEPARATOR .
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get_include_path()
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);
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if(defined('PHPUNIT_CONFIG_DIR')) {
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self::$configDir = OC::$SERVERROOT . '/' . PHPUNIT_CONFIG_DIR . '/';
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} elseif(defined('PHPUNIT_RUN') and PHPUNIT_RUN and is_dir(OC::$SERVERROOT . '/tests/config/')) {
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self::$configDir = OC::$SERVERROOT . '/tests/config/';
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} else {
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self::$configDir = OC::$SERVERROOT . '/config/';
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}
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OC_Config::$object = new \OC\Config(self::$configDir);
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OC::$SUBURI = str_replace("\\", "/", substr(realpath($_SERVER["SCRIPT_FILENAME"]), strlen(OC::$SERVERROOT)));
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$scriptName = OC_Request::scriptName();
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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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// 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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throw new Exception('3rdparty directory not found! Please put the ownCloud 3rdparty'
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. ' folder in the ownCloud folder or the folder above.'
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. ' You can also configure the location in the config.php file.');
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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(
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'path' => rtrim(dirname(OC::$SERVERROOT), '/') . '/apps',
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'url' => '/apps',
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'writable' => true
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);
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}
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if (empty(OC::$APPSROOTS)) {
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throw new Exception('apps directory not found! Please put the ownCloud apps folder in the ownCloud folder'
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. ' or the folder above. You can also configure the location in the config.php file.');
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}
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$paths = array();
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foreach (OC::$APPSROOTS as $path) {
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$paths[] = $path['path'];
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}
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// set the right include path
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set_include_path(
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OC::$SERVERROOT . '/lib/private' . 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 checkConfig() {
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if (file_exists(self::$configDir . "/config.php")
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and !is_writable(self::$configDir . "/config.php")
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) {
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if (self::$CLI) {
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echo "Can't write into config directory!\n";
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echo "This can usually be fixed by giving the webserver write access to the config directory\n";
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echo "\n";
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echo "See " . \OC_Helper::linkToDocs('admin-dir_permissions') . "\n";
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exit;
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} else {
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OC_Template::printErrorPage(
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"Can't write into config directory!",
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'This can usually be fixed by '
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. '<a href="' . \OC_Helper::linkToDocs('admin-dir_permissions') . '" target="_blank">giving the webserver write access to the config directory</a>.'
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);
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}
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}
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}
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public static function checkInstalled() {
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// Redirect to installer if not installed
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if (!OC_Config::getValue('installed', false) && OC::$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: $url");
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}
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exit();
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}
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}
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/*
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* This function adds some security related headers to all requests served via base.php
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* The implementation of this function has to happen here to ensure that all third-party
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* components (e.g. SabreDAV) also benefit from this headers.
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*/
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public static function addSecurityHeaders() {
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header('X-XSS-Protection: 1; mode=block'); // Enforce browser based XSS filters
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header('X-Content-Type-Options: nosniff'); // Disable sniffing the content type for IE
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// iFrame Restriction Policy
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$xFramePolicy = OC_Config::getValue('xframe_restriction', true);
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if($xFramePolicy) {
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header('X-Frame-Options: Sameorigin'); // Disallow iFraming from other domains
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}
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// Content Security Policy
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// If you change the standard policy, please also change it in config.sample.php
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$policy = OC_Config::getValue('custom_csp_policy',
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'default-src \'self\'; '
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.'script-src \'self\' \'unsafe-eval\'; '
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.'style-src \'self\' \'unsafe-inline\'; '
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.'frame-src *; '
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.'img-src *; '
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.'font-src \'self\' data:; '
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.'media-src *');
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header('Content-Security-Policy:'.$policy);
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}
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public static function checkSSL() {
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// redirect to https site if configured
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if (OC_Config::getValue("forcessl", false)) {
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header('Strict-Transport-Security: max-age=31536000');
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ini_set("session.cookie_secure", "on");
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if (OC_Request::serverProtocol() <> 'https' and !OC::$CLI) {
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$url = "https://" . OC_Request::serverHost() . OC_Request::requestUri();
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header("Location: $url");
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exit();
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}
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} else {
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// Invalidate HSTS headers
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if (OC_Request::serverProtocol() === 'https') {
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header('Strict-Transport-Security: max-age=0');
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}
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}
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}
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public static function checkMaintenanceMode() {
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// Allow ajax update script to execute without being stopped
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if (OC_Config::getValue('maintenance', false) && OC::$SUBURI != '/core/ajax/update.php') {
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// send http status 503
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header('HTTP/1.1 503 Service Temporarily Unavailable');
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header('Status: 503 Service Temporarily Unavailable');
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header('Retry-After: 120');
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// render error page
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$tmpl = new OC_Template('', 'update.user', 'guest');
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$tmpl->printPage();
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die();
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}
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}
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public static function checkSingleUserMode() {
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$user = OC_User::getUserSession()->getUser();
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$group = OC_Group::getManager()->get('admin');
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if ($user && OC_Config::getValue('singleuser', false) && !$group->inGroup($user)) {
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// send http status 503
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header('HTTP/1.1 503 Service Temporarily Unavailable');
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header('Status: 503 Service Temporarily Unavailable');
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header('Retry-After: 120');
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// render error page
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$tmpl = new OC_Template('', 'singleuser.user', 'guest');
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$tmpl->printPage();
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die();
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}
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}
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||
|
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/**
|
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* check if the instance needs to preform an upgrade
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||
*
|
||
* @return bool
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*/
|
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public static function needUpgrade() {
|
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if (OC_Config::getValue('installed', false)) {
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$installedVersion = OC_Config::getValue('version', '0.0.0');
|
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$currentVersion = implode('.', OC_Util::getVersion());
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return version_compare($currentVersion, $installedVersion, '>');
|
||
} else {
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||
return false;
|
||
}
|
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}
|
||
|
||
/**
|
||
* Checks if the version requires an update and shows
|
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* @param bool $showTemplate Whether an update screen should get shown
|
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* @return bool|void
|
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*/
|
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public static function checkUpgrade($showTemplate = true) {
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if (self::needUpgrade()) {
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if ($showTemplate && !OC_Config::getValue('maintenance', false)) {
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OC_Config::setValue('theme', '');
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OC_Util::addScript('config'); // needed for web root
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OC_Util::addScript('update');
|
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$tmpl = new OC_Template('', 'update.admin', 'guest');
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$tmpl->assign('version', OC_Util::getVersionString());
|
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$tmpl->printPage();
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exit();
|
||
} else {
|
||
return true;
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
|
||
public static function initTemplateEngine() {
|
||
// Add the stuff we need always
|
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// TODO: read from core/js/core.json
|
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OC_Util::addScript("jquery-1.10.0.min");
|
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OC_Util::addScript("jquery-migrate-1.2.1.min");
|
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OC_Util::addScript("jquery-ui-1.10.0.custom");
|
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OC_Util::addScript("jquery-showpassword");
|
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OC_Util::addScript("jquery.infieldlabel");
|
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OC_Util::addScript("jquery.placeholder");
|
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OC_Util::addScript("jquery-tipsy");
|
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OC_Util::addScript("compatibility");
|
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OC_Util::addScript("underscore");
|
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OC_Util::addScript("jquery.ocdialog");
|
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OC_Util::addScript("oc-dialogs");
|
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OC_Util::addScript("js");
|
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OC_Util::addScript("octemplate");
|
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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::addScript("oc-requesttoken");
|
||
|
||
// avatars
|
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if (\OC_Config::getValue('enable_avatars', true) === true) {
|
||
\OC_Util::addScript('placeholder');
|
||
\OC_Util::addScript('3rdparty', 'md5/md5.min');
|
||
\OC_Util::addScript('jquery.avatar');
|
||
\OC_Util::addScript('avatar');
|
||
}
|
||
|
||
OC_Util::addStyle("styles");
|
||
OC_Util::addStyle("mobile");
|
||
OC_Util::addStyle("icons");
|
||
OC_Util::addStyle("apps");
|
||
OC_Util::addStyle("fixes");
|
||
OC_Util::addStyle("multiselect");
|
||
OC_Util::addStyle("jquery-ui-1.10.0.custom");
|
||
OC_Util::addStyle("jquery-tipsy");
|
||
OC_Util::addStyle("jquery.ocdialog");
|
||
}
|
||
|
||
public static function initSession() {
|
||
// prevents javascript from accessing php session cookies
|
||
ini_set('session.cookie_httponly', '1;');
|
||
|
||
// set the cookie path to the ownCloud directory
|
||
$cookie_path = OC::$WEBROOT ? : '/';
|
||
ini_set('session.cookie_path', $cookie_path);
|
||
|
||
//set the session object to a dummy session so code relying on the session existing still works
|
||
self::$session = new \OC\Session\Memory('');
|
||
|
||
try {
|
||
// set the session name to the instance id - which is unique
|
||
self::$session = new \OC\Session\Internal(OC_Util::getInstanceId());
|
||
// if session cant be started break with http 500 error
|
||
} catch (Exception $e) {
|
||
//show the user a detailed error page
|
||
OC_Response::setStatus(OC_Response::STATUS_INTERNAL_SERVER_ERROR);
|
||
OC_Template::printExceptionErrorPage($e);
|
||
}
|
||
|
||
$sessionLifeTime = self::getSessionLifeTime();
|
||
// regenerate session id periodically to avoid session fixation
|
||
if (!self::$session->exists('SID_CREATED')) {
|
||
self::$session->set('SID_CREATED', time());
|
||
} else if (time() - self::$session->get('SID_CREATED') > $sessionLifeTime / 2) {
|
||
session_regenerate_id(true);
|
||
self::$session->set('SID_CREATED', time());
|
||
}
|
||
|
||
// session timeout
|
||
if (self::$session->exists('LAST_ACTIVITY') && (time() - self::$session->get('LAST_ACTIVITY') > $sessionLifeTime)) {
|
||
if (isset($_COOKIE[session_name()])) {
|
||
setcookie(session_name(), '', time() - 42000, $cookie_path);
|
||
}
|
||
session_unset();
|
||
session_destroy();
|
||
session_start();
|
||
}
|
||
|
||
self::$session->set('LAST_ACTIVITY', time());
|
||
}
|
||
|
||
/**
|
||
* @return string
|
||
*/
|
||
private static function getSessionLifeTime() {
|
||
return OC_Config::getValue('session_lifetime', 60 * 60 * 24);
|
||
}
|
||
|
||
public static function loadAppClassPaths() {
|
||
foreach (OC_APP::getEnabledApps() as $app) {
|
||
$file = OC_App::getAppPath($app) . '/appinfo/classpath.php';
|
||
if (file_exists($file)) {
|
||
require_once $file;
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
public static function init() {
|
||
// register autoloader
|
||
require_once __DIR__ . '/autoloader.php';
|
||
self::$loader = new \OC\Autoloader();
|
||
self::$loader->registerPrefix('Doctrine\\Common', 'doctrine/common/lib');
|
||
self::$loader->registerPrefix('Doctrine\\DBAL', 'doctrine/dbal/lib');
|
||
self::$loader->registerPrefix('Symfony\\Component\\Routing', 'symfony/routing');
|
||
self::$loader->registerPrefix('Symfony\\Component\\Console', 'symfony/console');
|
||
self::$loader->registerPrefix('Patchwork', '3rdparty');
|
||
spl_autoload_register(array(self::$loader, 'load'));
|
||
|
||
// set some stuff
|
||
//ob_start();
|
||
error_reporting(E_ALL | E_STRICT);
|
||
if (defined('DEBUG') && DEBUG) {
|
||
ini_set('display_errors', 1);
|
||
}
|
||
self::$CLI = (php_sapi_name() == 'cli');
|
||
|
||
date_default_timezone_set('UTC');
|
||
ini_set('arg_separator.output', '&');
|
||
|
||
// try to switch magic quotes off.
|
||
if (get_magic_quotes_gpc() == 1) {
|
||
ini_set('magic_quotes_runtime', 0);
|
||
}
|
||
|
||
//try to configure php to enable big file uploads.
|
||
//this doesn´t work always depending on the webserver and php configuration.
|
||
//Let´s try to overwrite some defaults anyways
|
||
|
||
//try to set the maximum execution time to 60min
|
||
@set_time_limit(3600);
|
||
@ini_set('max_execution_time', 3600);
|
||
@ini_set('max_input_time', 3600);
|
||
|
||
//try to set the maximum filesize to 10G
|
||
@ini_set('upload_max_filesize', '10G');
|
||
@ini_set('post_max_size', '10G');
|
||
@ini_set('file_uploads', '50');
|
||
|
||
//copy http auth headers for apache+php-fcgid work around
|
||
if (isset($_SERVER['HTTP_XAUTHORIZATION']) && !isset($_SERVER['HTTP_AUTHORIZATION'])) {
|
||
$_SERVER['HTTP_AUTHORIZATION'] = $_SERVER['HTTP_XAUTHORIZATION'];
|
||
}
|
||
|
||
//set http auth headers for apache+php-cgi work around
|
||
if (isset($_SERVER['HTTP_AUTHORIZATION'])
|
||
&& preg_match('/Basic\s+(.*)$/i', $_SERVER['HTTP_AUTHORIZATION'], $matches)
|
||
) {
|
||
list($name, $password) = explode(':', base64_decode($matches[1]), 2);
|
||
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
|
||
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
|
||
}
|
||
|
||
//set http auth headers for apache+php-cgi work around if variable gets renamed by apache
|
||
if (isset($_SERVER['REDIRECT_HTTP_AUTHORIZATION'])
|
||
&& preg_match('/Basic\s+(.*)$/i', $_SERVER['REDIRECT_HTTP_AUTHORIZATION'], $matches)
|
||
) {
|
||
list($name, $password) = explode(':', base64_decode($matches[1]), 2);
|
||
$_SERVER['PHP_AUTH_USER'] = strip_tags($name);
|
||
$_SERVER['PHP_AUTH_PW'] = strip_tags($password);
|
||
}
|
||
|
||
self::initPaths();
|
||
if (OC_Config::getValue('instanceid', false)) {
|
||
// \OC\Memcache\Cache has a hidden dependency on
|
||
// OC_Util::getInstanceId() for namespacing. See #5409.
|
||
try {
|
||
self::$loader->setMemoryCache(\OC\Memcache\Factory::createLowLatency('Autoloader'));
|
||
} catch (\Exception $ex) {
|
||
}
|
||
}
|
||
OC_Util::isSetLocaleWorking();
|
||
|
||
// setup 3rdparty autoloader
|
||
$vendorAutoLoad = OC::$THIRDPARTYROOT . '/3rdparty/autoload.php';
|
||
if (file_exists($vendorAutoLoad)) {
|
||
require_once $vendorAutoLoad;
|
||
}
|
||
|
||
// set debug mode if an xdebug session is active
|
||
if (!defined('DEBUG') || !DEBUG) {
|
||
if (isset($_COOKIE['XDEBUG_SESSION'])) {
|
||
define('DEBUG', true);
|
||
}
|
||
}
|
||
|
||
if (!defined('PHPUNIT_RUN')) {
|
||
if (defined('DEBUG') and DEBUG) {
|
||
OC\Log\ErrorHandler::register(true);
|
||
set_exception_handler(array('OC_Template', 'printExceptionErrorPage'));
|
||
} else {
|
||
OC\Log\ErrorHandler::register();
|
||
}
|
||
OC\Log\ErrorHandler::setLogger(OC_Log::$object);
|
||
}
|
||
|
||
// register the stream wrappers
|
||
stream_wrapper_register('fakedir', 'OC\Files\Stream\Dir');
|
||
stream_wrapper_register('static', 'OC\Files\Stream\StaticStream');
|
||
stream_wrapper_register('close', 'OC\Files\Stream\Close');
|
||
stream_wrapper_register('quota', 'OC\Files\Stream\Quota');
|
||
stream_wrapper_register('oc', 'OC\Files\Stream\OC');
|
||
|
||
// setup the basic server
|
||
self::$server = new \OC\Server();
|
||
|
||
self::initTemplateEngine();
|
||
if (!self::$CLI) {
|
||
self::initSession();
|
||
} else {
|
||
self::$session = new \OC\Session\Memory('');
|
||
}
|
||
self::checkConfig();
|
||
self::checkInstalled();
|
||
self::checkSSL();
|
||
self::addSecurityHeaders();
|
||
|
||
$errors = OC_Util::checkServer();
|
||
if (count($errors) > 0) {
|
||
if (self::$CLI) {
|
||
foreach ($errors as $error) {
|
||
echo $error['error'] . "\n";
|
||
echo $error['hint'] . "\n\n";
|
||
}
|
||
} else {
|
||
OC_Response::setStatus(OC_Response::STATUS_SERVICE_UNAVAILABLE);
|
||
OC_Template::printGuestPage('', 'error', array('errors' => $errors));
|
||
}
|
||
exit;
|
||
}
|
||
|
||
//try to set the session lifetime
|
||
$sessionLifeTime = self::getSessionLifeTime();
|
||
@ini_set('gc_maxlifetime', (string)$sessionLifeTime);
|
||
|
||
// User and Groups
|
||
if (!OC_Config::getValue("installed", false)) {
|
||
self::$session->set('user_id', '');
|
||
}
|
||
|
||
OC_User::useBackend(new OC_User_Database());
|
||
OC_Group::useBackend(new OC_Group_Database());
|
||
|
||
$basic_auth = OC_Config::getValue('basic_auth', true);
|
||
if ($basic_auth && isset($_SERVER['PHP_AUTH_USER']) && self::$session->exists('loginname')
|
||
&& $_SERVER['PHP_AUTH_USER'] !== self::$session->get('loginname')) {
|
||
$sessionUser = self::$session->get('loginname');
|
||
$serverUser = $_SERVER['PHP_AUTH_USER'];
|
||
OC_Log::write('core',
|
||
"Session loginname ($sessionUser) doesn't match SERVER[PHP_AUTH_USER] ($serverUser).",
|
||
OC_Log::WARN);
|
||
OC_User::logout();
|
||
}
|
||
|
||
// Load minimum set of apps - which is filesystem, authentication and logging
|
||
if (!self::checkUpgrade(false)) {
|
||
OC_App::loadApps(array('authentication'));
|
||
OC_App::loadApps(array('filesystem', 'logging'));
|
||
}
|
||
|
||
//setup extra user backends
|
||
OC_User::setupBackends();
|
||
|
||
self::registerCacheHooks();
|
||
self::registerFilesystemHooks();
|
||
self::registerPreviewHooks();
|
||
self::registerShareHooks();
|
||
self::registerLogRotate();
|
||
|
||
//make sure temporary files are cleaned up
|
||
register_shutdown_function(array('OC_Helper', 'cleanTmp'));
|
||
|
||
//parse the given parameters
|
||
self::$REQUESTEDAPP = (isset($_GET['app']) && trim($_GET['app']) != '' && !is_null($_GET['app']) ? OC_App::cleanAppId(strip_tags($_GET['app'])) : OC_Config::getValue('defaultapp', 'files'));
|
||
if (substr_count(self::$REQUESTEDAPP, '?') != 0) {
|
||
$app = substr(self::$REQUESTEDAPP, 0, strpos(self::$REQUESTEDAPP, '?'));
|
||
$param = substr($_GET['app'], strpos($_GET['app'], '?') + 1);
|
||
parse_str($param, $get);
|
||
$_GET = array_merge($_GET, $get);
|
||
self::$REQUESTEDAPP = $app;
|
||
$_GET['app'] = $app;
|
||
}
|
||
self::$REQUESTEDFILE = (isset($_GET['getfile']) ? $_GET['getfile'] : null);
|
||
if (substr_count(self::$REQUESTEDFILE, '?') != 0) {
|
||
$file = substr(self::$REQUESTEDFILE, 0, strpos(self::$REQUESTEDFILE, '?'));
|
||
$param = substr(self::$REQUESTEDFILE, strpos(self::$REQUESTEDFILE, '?') + 1);
|
||
parse_str($param, $get);
|
||
$_GET = array_merge($_GET, $get);
|
||
self::$REQUESTEDFILE = $file;
|
||
$_GET['getfile'] = $file;
|
||
}
|
||
if (!is_null(self::$REQUESTEDFILE)) {
|
||
$subdir = OC_App::getAppPath(OC::$REQUESTEDAPP) . '/' . self::$REQUESTEDFILE;
|
||
$parent = OC_App::getAppPath(OC::$REQUESTEDAPP);
|
||
if (!OC_Helper::issubdirectory($subdir, $parent)) {
|
||
self::$REQUESTEDFILE = null;
|
||
header('HTTP/1.0 404 Not Found');
|
||
exit;
|
||
}
|
||
}
|
||
|
||
if (OC_Config::getValue('installed', false) && !self::checkUpgrade(false)) {
|
||
if (OC_Appconfig::getValue('core', 'backgroundjobs_mode', 'ajax') == 'ajax') {
|
||
OC_Util::addScript('backgroundjobs');
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* register hooks for the cache
|
||
*/
|
||
public static function registerCacheHooks() {
|
||
if (OC_Config::getValue('installed', false) && !self::needUpgrade()) { //don't try to do this before we are properly setup
|
||
\OCP\BackgroundJob::registerJob('OC\Cache\FileGlobalGC');
|
||
|
||
// NOTE: This will be replaced to use OCP
|
||
$userSession = \OC_User::getUserSession();
|
||
$userSession->listen('postLogin', '\OC\Cache\File', 'loginListener');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* register hooks for the cache
|
||
*/
|
||
public static function registerLogRotate() {
|
||
if (OC_Config::getValue('installed', false) && OC_Config::getValue('log_rotate_size', false) && !self::needUpgrade()) {
|
||
//don't try to do this before we are properly setup
|
||
\OCP\BackgroundJob::registerJob('OC\Log\Rotate', OC_Config::getValue("datadirectory", OC::$SERVERROOT . '/data') . '/owncloud.log');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* register hooks for the filesystem
|
||
*/
|
||
public static function registerFilesystemHooks() {
|
||
// Check for blacklisted files
|
||
OC_Hook::connect('OC_Filesystem', 'write', 'OC_Filesystem', 'isBlacklisted');
|
||
OC_Hook::connect('OC_Filesystem', 'rename', 'OC_Filesystem', 'isBlacklisted');
|
||
}
|
||
|
||
/**
|
||
* register hooks for previews
|
||
*/
|
||
public static function registerPreviewHooks() {
|
||
OC_Hook::connect('OC_Filesystem', 'post_write', 'OC\Preview', 'post_write');
|
||
OC_Hook::connect('OC_Filesystem', 'preDelete', 'OC\Preview', 'prepare_delete_files');
|
||
OC_Hook::connect('\OCP\Versions', 'preDelete', 'OC\Preview', 'prepare_delete');
|
||
OC_Hook::connect('\OCP\Trashbin', 'preDelete', 'OC\Preview', 'prepare_delete');
|
||
OC_Hook::connect('OC_Filesystem', 'delete', 'OC\Preview', 'post_delete_files');
|
||
OC_Hook::connect('\OCP\Versions', 'delete', 'OC\Preview', 'post_delete');
|
||
OC_Hook::connect('\OCP\Trashbin', 'delete', 'OC\Preview', 'post_delete');
|
||
}
|
||
|
||
/**
|
||
* register hooks for sharing
|
||
*/
|
||
public static function registerShareHooks() {
|
||
if (\OC_Config::getValue('installed')) {
|
||
OC_Hook::connect('OC_User', 'post_deleteUser', 'OC\Share\Hooks', 'post_deleteUser');
|
||
OC_Hook::connect('OC_User', 'post_addToGroup', 'OC\Share\Hooks', 'post_addToGroup');
|
||
OC_Hook::connect('OC_User', 'post_removeFromGroup', 'OC\Share\Hooks', 'post_removeFromGroup');
|
||
OC_Hook::connect('OC_User', 'post_deleteGroup', 'OC\Share\Hooks', 'post_deleteGroup');
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief Handle the request
|
||
*/
|
||
public static function handleRequest() {
|
||
// load all the classpaths from the enabled apps so they are available
|
||
// in the routing files of each app
|
||
OC::loadAppClassPaths();
|
||
|
||
// Check if ownCloud is installed or in maintenance (update) mode
|
||
if (!OC_Config::getValue('installed', false)) {
|
||
$controller = new OC\Core\Setup\Controller();
|
||
$controller->run($_POST);
|
||
exit();
|
||
}
|
||
|
||
$host = OC_Request::insecureServerHost();
|
||
// if the host passed in headers isn't trusted
|
||
if (!OC::$CLI
|
||
// overwritehost is always trusted
|
||
&& OC_Request::getOverwriteHost() === null
|
||
&& !OC_Request::isTrustedDomain($host)) {
|
||
|
||
header('HTTP/1.1 400 Bad Request');
|
||
header('Status: 400 Bad Request');
|
||
OC_Template::printErrorPage(
|
||
'You are accessing the server from an untrusted domain.',
|
||
'Please contact your administrator'
|
||
);
|
||
return;
|
||
}
|
||
|
||
$request = OC_Request::getPathInfo();
|
||
if (substr($request, -3) !== '.js') { // we need these files during the upgrade
|
||
self::checkMaintenanceMode();
|
||
self::checkUpgrade();
|
||
}
|
||
|
||
// Test it the user is already authenticated using Apaches AuthType Basic... very usable in combination with LDAP
|
||
OC::tryBasicAuthLogin();
|
||
|
||
if (!self::$CLI and (!isset($_GET["logout"]) or ($_GET["logout"] !== 'true'))) {
|
||
try {
|
||
if (!OC_Config::getValue('maintenance', false)) {
|
||
OC_App::loadApps();
|
||
}
|
||
self::checkSingleUserMode();
|
||
OC::$server->getRouter()->match(OC_Request::getRawPathInfo());
|
||
return;
|
||
} catch (Symfony\Component\Routing\Exception\ResourceNotFoundException $e) {
|
||
//header('HTTP/1.0 404 Not Found');
|
||
} catch (Symfony\Component\Routing\Exception\MethodNotAllowedException $e) {
|
||
OC_Response::setStatus(405);
|
||
return;
|
||
}
|
||
}
|
||
|
||
$app = OC::$REQUESTEDAPP;
|
||
$file = OC::$REQUESTEDFILE;
|
||
$param = array('app' => $app, 'file' => $file);
|
||
|
||
// Handle redirect URL for logged in users
|
||
if (isset($_REQUEST['redirect_url']) && OC_User::isLoggedIn()) {
|
||
$location = OC_Helper::makeURLAbsolute(urldecode($_REQUEST['redirect_url']));
|
||
|
||
// Deny the redirect if the URL contains a @
|
||
// This prevents unvalidated redirects like ?redirect_url=:user@domain.com
|
||
if (strpos($location, '@') === false) {
|
||
header('Location: ' . $location);
|
||
return;
|
||
}
|
||
}
|
||
// Handle WebDAV
|
||
if ($_SERVER['REQUEST_METHOD'] == 'PROPFIND') {
|
||
// not allowed any more to prevent people
|
||
// mounting this root directly.
|
||
// Users need to mount remote.php/webdav instead.
|
||
header('HTTP/1.1 405 Method Not Allowed');
|
||
header('Status: 405 Method Not Allowed');
|
||
return;
|
||
}
|
||
|
||
// Someone is logged in :
|
||
if (OC_User::isLoggedIn()) {
|
||
OC_App::loadApps();
|
||
OC_User::setupBackends();
|
||
if (isset($_GET["logout"]) and ($_GET["logout"])) {
|
||
if (isset($_COOKIE['oc_token'])) {
|
||
OC_Preferences::deleteKey(OC_User::getUser(), 'login_token', $_COOKIE['oc_token']);
|
||
}
|
||
OC_User::logout();
|
||
// redirect to webroot and add slash if webroot is empty
|
||
header("Location: " . OC::$WEBROOT.(empty(OC::$WEBROOT) ? '/' : ''));
|
||
} else {
|
||
if (is_null($file)) {
|
||
$param['file'] = 'index.php';
|
||
}
|
||
$file_ext = substr($param['file'], -3);
|
||
if ($file_ext != 'php'
|
||
|| !self::loadAppScriptFile($param)
|
||
) {
|
||
header('HTTP/1.0 404 Not Found');
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
// Not handled and not logged in
|
||
self::handleLogin();
|
||
}
|
||
|
||
/**
|
||
* Load a PHP file belonging to the specified application
|
||
* @param array $param The application and file to load
|
||
* @return bool Whether the file has been found (will return 404 and false if not)
|
||
*/
|
||
public static function loadAppScriptFile($param) {
|
||
OC_App::loadApps();
|
||
$app = $param['app'];
|
||
$file = $param['file'];
|
||
$app_path = OC_App::getAppPath($app);
|
||
if (OC_App::isEnabled($app) && $app_path !== false) {
|
||
$file = $app_path . '/' . $file;
|
||
unset($app, $app_path);
|
||
if (file_exists($file)) {
|
||
require_once $file;
|
||
return true;
|
||
}
|
||
}
|
||
header('HTTP/1.0 404 Not Found');
|
||
return false;
|
||
}
|
||
|
||
protected static function handleLogin() {
|
||
OC_App::loadApps(array('prelogin'));
|
||
$error = array();
|
||
|
||
// auth possible via apache module?
|
||
if (OC::tryApacheAuth()) {
|
||
$error[] = 'apacheauthfailed';
|
||
} // remember was checked after last login
|
||
elseif (OC::tryRememberLogin()) {
|
||
$error[] = 'invalidcookie';
|
||
} // logon via web form
|
||
elseif (OC::tryFormLogin()) {
|
||
$error[] = 'invalidpassword';
|
||
if ( OC_Config::getValue('log_authfailip', false) ) {
|
||
OC_Log::write('core', 'Login failed: user \''.$_POST["user"].'\' , wrong password, IP:'.$_SERVER['REMOTE_ADDR'],
|
||
OC_Log::WARN);
|
||
} else {
|
||
OC_Log::write('core', 'Login failed: user \''.$_POST["user"].'\' , wrong password, IP:set log_authfailip=true in conf',
|
||
OC_Log::WARN);
|
||
}
|
||
}
|
||
|
||
OC_Util::displayLoginPage(array_unique($error));
|
||
}
|
||
|
||
/**
|
||
* Remove outdated and therefore invalid tokens for a user
|
||
* @param string $user
|
||
*/
|
||
protected static function cleanupLoginTokens($user) {
|
||
$cutoff = time() - OC_Config::getValue('remember_login_cookie_lifetime', 60 * 60 * 24 * 15);
|
||
$tokens = OC_Preferences::getKeys($user, 'login_token');
|
||
foreach ($tokens as $token) {
|
||
$time = OC_Preferences::getValue($user, 'login_token', $token);
|
||
if ($time < $cutoff) {
|
||
OC_Preferences::deleteKey($user, 'login_token', $token);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Try to login a user via HTTP authentication
|
||
* @return bool|void
|
||
*/
|
||
protected static function tryApacheAuth() {
|
||
$return = OC_User::handleApacheAuth();
|
||
|
||
// if return is true we are logged in -> redirect to the default page
|
||
if ($return === true) {
|
||
$_REQUEST['redirect_url'] = \OC_Request::requestUri();
|
||
OC_Util::redirectToDefaultPage();
|
||
exit;
|
||
}
|
||
|
||
// in case $return is null apache based auth is not enabled
|
||
return is_null($return) ? false : true;
|
||
}
|
||
|
||
/**
|
||
* Try to login a user using the remember me cookie.
|
||
* @return bool Whether the provided cookie was valid
|
||
*/
|
||
protected static function tryRememberLogin() {
|
||
if (!isset($_COOKIE["oc_remember_login"])
|
||
|| !isset($_COOKIE["oc_token"])
|
||
|| !isset($_COOKIE["oc_username"])
|
||
|| !$_COOKIE["oc_remember_login"]
|
||
|| !OC_Util::rememberLoginAllowed()
|
||
) {
|
||
return false;
|
||
}
|
||
|
||
if (defined("DEBUG") && DEBUG) {
|
||
OC_Log::write('core', 'Trying to login from cookie', OC_Log::DEBUG);
|
||
}
|
||
// confirm credentials in cookie
|
||
if (isset($_COOKIE['oc_token']) && OC_User::userExists($_COOKIE['oc_username'])) {
|
||
// delete outdated cookies
|
||
self::cleanupLoginTokens($_COOKIE['oc_username']);
|
||
// get stored tokens
|
||
$tokens = OC_Preferences::getKeys($_COOKIE['oc_username'], 'login_token');
|
||
// test cookies token against stored tokens
|
||
if (in_array($_COOKIE['oc_token'], $tokens, true)) {
|
||
// replace successfully used token with a new one
|
||
OC_Preferences::deleteKey($_COOKIE['oc_username'], 'login_token', $_COOKIE['oc_token']);
|
||
$token = OC_Util::generateRandomBytes(32);
|
||
OC_Preferences::setValue($_COOKIE['oc_username'], 'login_token', $token, time());
|
||
OC_User::setMagicInCookie($_COOKIE['oc_username'], $token);
|
||
// login
|
||
OC_User::setUserId($_COOKIE['oc_username']);
|
||
OC_Util::redirectToDefaultPage();
|
||
// doesn't return
|
||
}
|
||
// if you reach this point you have changed your password
|
||
// or you are an attacker
|
||
// we can not delete tokens here because users may reach
|
||
// this point multiple times after a password change
|
||
OC_Log::write('core', 'Authentication cookie rejected for user ' . $_COOKIE['oc_username'], OC_Log::WARN);
|
||
}
|
||
OC_User::unsetMagicInCookie();
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Tries to login a user using the formbased authentication
|
||
* @return bool|void
|
||
*/
|
||
protected static function tryFormLogin() {
|
||
if (!isset($_POST["user"]) || !isset($_POST['password'])) {
|
||
return false;
|
||
}
|
||
|
||
OC_App::loadApps();
|
||
|
||
//setup extra user backends
|
||
OC_User::setupBackends();
|
||
|
||
if (OC_User::login($_POST["user"], $_POST["password"])) {
|
||
// setting up the time zone
|
||
if (isset($_POST['timezone-offset'])) {
|
||
self::$session->set('timezone', $_POST['timezone-offset']);
|
||
}
|
||
|
||
$userid = OC_User::getUser();
|
||
self::cleanupLoginTokens($userid);
|
||
if (!empty($_POST["remember_login"])) {
|
||
if (defined("DEBUG") && DEBUG) {
|
||
OC_Log::write('core', 'Setting remember login to cookie', OC_Log::DEBUG);
|
||
}
|
||
$token = OC_Util::generateRandomBytes(32);
|
||
OC_Preferences::setValue($userid, 'login_token', $token, time());
|
||
OC_User::setMagicInCookie($userid, $token);
|
||
} else {
|
||
OC_User::unsetMagicInCookie();
|
||
}
|
||
OC_Util::redirectToDefaultPage();
|
||
exit();
|
||
}
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* Try to login a user using HTTP authentication.
|
||
* @return bool
|
||
*/
|
||
protected static function tryBasicAuthLogin() {
|
||
if (!isset($_SERVER["PHP_AUTH_USER"])
|
||
|| !isset($_SERVER["PHP_AUTH_PW"])
|
||
) {
|
||
return false;
|
||
}
|
||
|
||
if (OC_User::login($_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"])) {
|
||
//OC_Log::write('core',"Logged in with HTTP Authentication", OC_Log::DEBUG);
|
||
OC_User::unsetMagicInCookie();
|
||
$_SERVER['HTTP_REQUESTTOKEN'] = OC_Util::callRegister();
|
||
}
|
||
return true;
|
||
}
|
||
|
||
}
|
||
|
||
if (!function_exists('get_temp_dir')) {
|
||
/**
|
||
* Get the temporary dir to store uploaded data
|
||
* @return null|string Path to the temporary directory or null
|
||
*/
|
||
function get_temp_dir() {
|
||
if ($temp = ini_get('upload_tmp_dir')) return $temp;
|
||
if ($temp = getenv('TMP')) return $temp;
|
||
if ($temp = getenv('TEMP')) return $temp;
|
||
if ($temp = getenv('TMPDIR')) return $temp;
|
||
$temp = tempnam(__FILE__, '');
|
||
if (file_exists($temp)) {
|
||
unlink($temp);
|
||
return dirname($temp);
|
||
}
|
||
if ($temp = sys_get_temp_dir()) return $temp;
|
||
|
||
return null;
|
||
}
|
||
}
|
||
|
||
OC::init();
|