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nextcloud/inc/lib_base.php

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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @copyright 2010 Frank Karlitschek karlitschek@kde.org
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
// set some stuff
ob_start();
error_reporting(E_ALL | E_STRICT);
date_default_timezone_set('Europe/Berlin');
ini_set('arg_separator.output','&amp;');
ini_set('session.cookie_httponly','1;');
session_start();
// calculate the documentroot
$SERVERROOT=substr(__FILE__,0,-17);
$DOCUMENTROOT=$_SERVER['DOCUMENT_ROOT'];
$count=strlen($DOCUMENTROOT);
$WEBROOT=substr($SERVERROOT,$count);
if($WEBROOT{0}!=='/'){
$WEBROOT='/'.$WEBROOT;
}
// set the right include path
set_include_path(get_include_path().PATH_SEPARATOR.$SERVERROOT.PATH_SEPARATOR.$SERVERROOT.'/inc'.PATH_SEPARATOR.$SERVERROOT.'/config');
// define default config values
$CONFIG_INSTALLED=false;
$CONFIG_DATADIRECTORY=$SERVERROOT.'/data';
$CONFIG_HTTPFORCESSL=false;
$CONFIG_DATEFORMAT='j M Y G:i';
$CONFIG_DBNAME='owncloud';
$CONFIG_DBTYPE='sqlite';
// include the generated configfile
@include_once('config.php');
// redirect to https site if configured
if(isset($CONFIG_HTTPFORCESSL) and $CONFIG_HTTPFORCESSL){
if(!isset($_SERVER['HTTPS']) or $_SERVER['HTTPS'] != 'on') {
$url = "https://". $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
header("Location: $url");
exit;
}
}
// load core libs
require_once('lib_files.php');
require_once('lib_log.php');
require_once('lib_config.php');
require_once('lib_user.php');
if(OC_USER::isLoggedIn()){
//jail the user in a seperate data folder
$CONFIG_DATADIRECTORY=$SERVERROOT.'/data/'.$_SESSION['username_clean'];
if(!is_dir($CONFIG_DATADIRECTORY)){
mkdir($CONFIG_DATADIRECTORY);
}
}
// load plugins
$CONFIG_LOADPLUGINS='';
$plugins=explode(' ',$CONFIG_LOADPLUGINS);
if(isset($plugins[0]['url'])) foreach($plugins as $plugin) require_once('plugins/'.$plugin.'/lib_'.$plugin.'.php');
// check if the server is correctly configured for ownCloud
OC_UTIL::checkserver();
// listen for login or logout actions
OC_USER::logoutlisener();
$loginresult=OC_USER::loginlisener();
/**
* Class for utility functions
*
*/
class OC_UTIL {
public static $scripts=array();
/**
* add a javascript file
*
* @param url $url
*/
public static function addscript($url){
self::$scripts[]=$url;
}
/**
* array to store all the optional navigation buttons of the plugins
*
*/
static private $NAVIGATION = array();
/**
* check if the current server configuration is suitable for ownCloud
*
*/
public static function checkserver(){
global $SERVERROOT;
$f=@fopen($SERVERROOT.'/config/config.php','a+');
if(!$f) die('Error: Config file (config/config.php) is not writable for the webserver.');
@fclose($f);
}
/**
* show the header of the web GUI
*
*/
public static function showheader(){
global $CONFIG_ADMINLOGIN;
global $WEBROOT;
require('templates/header.php');;
}
/**
* show the footer of the web GUI
*
*/
public static function showfooter(){
global $CONFIG_FOOTEROWNERNAME;
global $CONFIG_FOOTEROWNEREMAIL;
require('templates/footer.php');;
}
/**
* add an navigationentry to the main navigation
*
* @param name $name
* @param url $url
*/
public static function addnavigationentry($name,$url) {
$entry=array();
$entry['name']=$name;
$entry['url']=$url;
OC_UTIL::$NAVIGATION[]=$entry;
}
/**
* show the main navigation
*
*/
public static function shownavigation(){
global $WEBROOT;
global $SERVERROOT;
echo('<table class="center" cellpadding="5" cellspacing="0" border="0"><tr>');
echo('<td class="navigationitem1"><a href="'.$WEBROOT.'/">'.$_SESSION['username'].'</a></td>');
if($_SERVER['SCRIPT_NAME']==$WEBROOT.'/index.php') echo('<td class="navigationitemselected"><a href="'.$WEBROOT.'/">Files</a></td>'); else echo('<td class="navigationitem"><a href="'.$WEBROOT.'/">Files</a></td>');
foreach(OC_UTIL::$NAVIGATION as $NAVI) {
if(dirname($_SERVER['SCRIPT_NAME'])==$WEBROOT.$NAVI['url']) echo('<td class="navigationitemselected"><a href="'.$WEBROOT.$NAVI['url'].'">'.$NAVI['name'].'</a></td>'); else echo('<td class="navigationitem"><a href="'.$WEBROOT.$NAVI['url'].'">'.$NAVI['name'].'</a></td>');
}
if($_SERVER['SCRIPT_NAME']==$WEBROOT.'/log/index.php') echo('<td class="navigationitemselected"><a href="'.$WEBROOT.'/log">Log</a></td>'); else echo('<td class="navigationitem"><a href="'.$WEBROOT.'/log">Log</a></td>');
if($_SERVER['SCRIPT_NAME']==$WEBROOT.'/settings/index.php') echo('<td class="navigationitemselected"><a href="'.$WEBROOT.'/settings">Settings</a></td>'); else echo('<td class="navigationitem"><a href="'.$WEBROOT.'/settings">Settings</a></td>');
if(OC_USER::ingroup($_SESSION['username'],'admin')){
if($_SERVER['SCRIPT_NAME']==$WEBROOT.'/admin/index.php') echo('<td class="navigationitemselected"><a href="'.$WEBROOT.'/admin">Admin Panel</a></td>'); else echo('<td class="navigationitem"><a href="'.$WEBROOT.'/admin">Admin Panel</a></td>');
}
echo('<td class="navigationitem"><a href="?logoutbutton=1">Logout</a></td>');
echo('</tr></table>');
}
/**
* show the loginform
*
*/
public static function showloginform(){
global $loginresult;
require('templates/loginform.php');
}
/**
* show an icon for a filetype
*
*/
public static function showicon($filetype){
global $WEBROOT;
if($filetype=='dir'){ echo('<td><img src="'.$WEBROOT.'/img/icons/folder.png" width="16" height="16"></td>');
}elseif($filetype=='foo'){ echo('<td>foo</td>');
}else{ echo('<td><img src="'.$WEBROOT.'/img/icons/other.png" width="16" height="16"></td>');
}
}
}
/**
* Class for database access
*
*/
class OC_DB {
/**
* executes a query on the database
*
* @param string $cmd
* @return result-set
*/
static function query($cmd) {
global $DOCUMENTROOT;
global $SERVERROOT;
global $DBConnection;
global $CONFIG_DBNAME;
global $CONFIG_DBHOST;
global $CONFIG_DBUSER;
global $CONFIG_DBPASSWORD;
global $CONFIG_DBTYPE;
if(!isset($DBConnection)) {
if($CONFIG_DBTYPE=='sqlite'){
$DBConnection = @new SQLiteDatabase($SERVERROOT.'/'.$CONFIG_DBNAME);
}elseif($CONFIG_DBTYPE=='mysql'){
$DBConnection = @new mysqli($CONFIG_DBHOST, $CONFIG_DBUSER, $CONFIG_DBPASSWORD,$CONFIG_DBNAME);
}
if (!$DBConnection) {
@ob_end_clean();
echo('<b>can not connect to database, using '.$CONFIG_DBTYPE.'.</center>');
exit();
}
}
$result = @$DBConnection->query($cmd);
if (!$result) {
if($CONFIG_DBTYPE=='sqlite'){
$error=sqlite_error_string($DBConnection->lastError());
}elseif($CONFIG_DBTYPE=='mysql'){
print_r($DBConnection);
$error=$DBConnection->error;
}
$entry='DB Error: "'.$error.'"<br />';
$entry.='Offending command was: '.$cmd.'<br />';
echo($entry);
}
return $result;
}
/**
* executes a query on the database and returns the result in an array
*
* @param string $cmd
* @return result-set
*/
static function select($cmd) {
global $CONFIG_DBTYPE;
$result=OC_DB::query($cmd);
if($result){
$data=array();
if($CONFIG_DBTYPE=='sqlite'){
while($row=$result->fetch(SQLITE_ASSOC)){
$data[]=$row;
}
}elseif($CONFIG_DBTYPE=='mysql'){
while($row=$result->fetch_array(MYSQLI_ASSOC)){
$data[]=$row;
}
}
return $data;
}else{
return false;
}
}
/**
* executes multiply queries on the database
*
* @param string $cmd
* @return result-set
*/
static function multiquery($cmd) {
global $DOCUMENTROOT;
global $SERVERROOT;
global $DBConnection;
global $CONFIG_DBNAME;
global $CONFIG_DBTYPE;
global $CONFIG_DBHOST;
global $CONFIG_DBUSER;
global $CONFIG_DBPASSWORD;
if(!isset($DBConnection)) {
if($CONFIG_DBTYPE=='sqlite'){
$DBConnection = new SQLiteDatabase($SERVERROOT.'/'.$CONFIG_DBNAME);
}elseif($CONFIG_DBTYPE=='mysql'){
$DBConnection = @new mysqli($CONFIG_DBHOST, $CONFIG_DBUSER, $CONFIG_DBPASSWORD,$CONFIG_DBNAME);
}
if (!$DBConnection) {
@ob_end_clean();
echo('<b>can not connect to database, using '.$CONFIG_DBTYPE.'.</center>');
exit();
}
}
if($CONFIG_DBTYPE=='sqlite'){
$result = @$DBConnection->queryExec($cmd);
}elseif($CONFIG_DBTYPE=='mysql'){
$result = @$DBConnection->multi_query($cmd);
}
if (!$result) {
if($CONFIG_DBTYPE=='sqlite'){
$error=sqlite_error_string($DBConnection->lastError());
}elseif($CONFIG_DBTYPE=='mysql'){
$error=$DBConnection->error;
}
$entry='DB Error: "'.$error.'"<br />';
$entry.='Offending command was: '.$cmd.'<br />';
echo($entry);
}
return $result;
}
/**
* closing a db connection
*
* @return bool
*/
static function close() {
global $CONFIG_DBTYPE;
global $DBConnection;
if(isset($DBConnection)) {
return $DBConnection->close();
} else {
return(false);
}
}
/**
* Returning primarykey if last statement was an insert.
*
* @return primarykey
*/
static function insertid() {
global $DBConnection;
global $CONFIG_DBTYPE;
if($CONFIG_DBTYPE=='sqlite'){
return $DBConnection->lastInsertRowid();
}elseif($CONFIG_DBTYPE=='mysql'){
return(mysqli_insert_id($DBConnection));
}
}
/**
* Returning number of rows in a result
*
* @param resultset $result
* @return int
*/
static function numrows($result) {
if(!isset($result) or ($result == false)) return 0;
global $CONFIG_DBTYPE;
if($CONFIG_DBTYPE=='sqlite'){
$num= $result->numRows();
}elseif($CONFIG_DBTYPE=='mysql'){
$num= mysqli_num_rows($result);
}
return($num);
}
/**
* Returning number of affected rows
*
* @return int
*/
static function affected_rows() {
global $DBConnection;
global $CONFIG_DBTYPE;
if(!isset($DBConnection) or ($DBConnection==false)) return 0;
if($CONFIG_DBTYPE=='sqlite'){
$num= $DBConnection->changes();
}elseif($CONFIG_DBTYPE=='mysql'){
$num= mysqli_affected_rows($DBConnection);
}
return($num);
}
/**
* get a field from the resultset
*
* @param resultset $result
* @param int $i
* @param int $field
* @return unknown
*/
static function result($result, $i, $field) {
global $CONFIG_DBTYPE;
if($CONFIG_DBTYPE=='sqlite'){
$result->seek($i);
$tmp=$result->fetch();
}elseif($CONFIG_DBTYPE=='mysql'){
mysqli_data_seek($result,$i);
if (is_string($field))
$tmp=mysqli_fetch_array($result,MYSQLI_BOTH);
else
$tmp=mysqli_fetch_array($result,MYSQLI_NUM);
}
$tmp=$tmp[$field];
return($tmp);
return($tmp);
}
/**
* get data-array from resultset
*
* @param resultset $result
* @return data
*/
static function fetch_assoc($result) {
global $CONFIG_DBTYPE;
if($CONFIG_DBTYPE=='sqlite'){
return $result->fetch(SQLITE_ASSOC);
}elseif($CONFIG_DBTYPE=='mysql'){
return mysqli_fetch_assoc($result);
}
}
/**
* Freeing resultset (performance)
*
* @param unknown_type $result
* @return bool
*/
static function free_result($result) {
global $CONFIG_DBTYPE;
if($CONFIG_DBTYPE=='sqlite'){
$result = null; //No native way to do this
return true;
}elseif($CONFIG_DBTYPE=='mysql'){
return @mysqli_free_result($result);
}
}
}
?>
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