291 lines
9.3 KiB
PHP
291 lines
9.3 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Class for utility functions
|
|
*
|
|
*/
|
|
class OC_Util {
|
|
public static $scripts=array();
|
|
public static $styles=array();
|
|
public static $headers=array();
|
|
private static $fsSetup=false;
|
|
|
|
// Can be set up
|
|
public static function setupFS( $user = "", $root = "files" ){// configure the initial filesystem based on the configuration
|
|
if(self::$fsSetup){//setting up the filesystem twice can only lead to trouble
|
|
return false;
|
|
}
|
|
|
|
$CONFIG_DATADIRECTORY_ROOT = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
|
|
$CONFIG_BACKUPDIRECTORY = OC_Config::getValue( "backupdirectory", OC::$SERVERROOT."/backup" );
|
|
|
|
// Create root dir
|
|
if(!is_dir($CONFIG_DATADIRECTORY_ROOT)){
|
|
$success=@mkdir($CONFIG_DATADIRECTORY_ROOT);
|
|
if(!$success) {
|
|
$tmpl = new OC_Template( '', 'error', 'guest' );
|
|
$tmpl->assign('errors',array(1=>array('error'=>"Can't create data directory (".$CONFIG_DATADIRECTORY_ROOT.")",'hint'=>"You can usually fix this by giving the webserver write access to the ownCloud directory '".OC::$SERVERROOT."' ")));
|
|
$tmpl->printPage();
|
|
exit;
|
|
}
|
|
}
|
|
|
|
// If we are not forced to load a specific user we load the one that is logged in
|
|
if( $user == "" && OC_User::isLoggedIn()){
|
|
$user = OC_User::getUser();
|
|
}
|
|
|
|
if( $user != "" ){ //if we aren't logged in, there is no use to set up the filesystem
|
|
//first set up the local "root" storage
|
|
OC_Filesystem::mount('OC_Filestorage_Local',array('datadir'=>$CONFIG_DATADIRECTORY_ROOT),'/');
|
|
|
|
OC::$CONFIG_DATADIRECTORY = $CONFIG_DATADIRECTORY_ROOT."/$user/$root";
|
|
if( !is_dir( OC::$CONFIG_DATADIRECTORY )){
|
|
mkdir( OC::$CONFIG_DATADIRECTORY, 0755, true );
|
|
}
|
|
|
|
//jail the user into his "home" directory
|
|
OC_Filesystem::init('/'.$user.'/'.$root);
|
|
$quotaProxy=new OC_FileProxy_Quota();
|
|
OC_FileProxy::register($quotaProxy);
|
|
self::$fsSetup=true;
|
|
}
|
|
}
|
|
|
|
public static function tearDownFS(){
|
|
OC_Filesystem::tearDown();
|
|
self::$fsSetup=false;
|
|
}
|
|
|
|
/**
|
|
* get the current installed version of ownCloud
|
|
* @return array
|
|
*/
|
|
public static function getVersion(){
|
|
return array(3,00,1);
|
|
}
|
|
|
|
/**
|
|
* get the current installed version string of ownCloud
|
|
* @return string
|
|
*/
|
|
public static function getVersionString(){
|
|
return '3';
|
|
}
|
|
|
|
/**
|
|
* add a javascript file
|
|
*
|
|
* @param url $url
|
|
*/
|
|
public static function addScript( $application, $file = null ){
|
|
if( is_null( $file )){
|
|
$file = $application;
|
|
$application = "";
|
|
}
|
|
if( !empty( $application )){
|
|
self::$scripts[] = "$application/js/$file";
|
|
}else{
|
|
self::$scripts[] = "js/$file";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* add a css file
|
|
*
|
|
* @param url $url
|
|
*/
|
|
public static function addStyle( $application, $file = null ){
|
|
if( is_null( $file )){
|
|
$file = $application;
|
|
$application = "";
|
|
}
|
|
if( !empty( $application )){
|
|
self::$styles[] = "$application/css/$file";
|
|
}else{
|
|
self::$styles[] = "css/$file";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Add a custom element to the header
|
|
* @param string tag tag name of the element
|
|
* @param array $attributes array of attrobutes for the element
|
|
* @param string $text the text content for the element
|
|
*/
|
|
public static function addHeader( $tag, $attributes, $text=''){
|
|
self::$headers[]=array('tag'=>$tag,'attributes'=>$attributes,'text'=>$text);
|
|
}
|
|
|
|
/**
|
|
* formats a timestamp in the "right" way
|
|
*
|
|
* @param int timestamp $timestamp
|
|
* @param bool dateOnly option to ommit time from the result
|
|
*/
|
|
public static function formatDate( $timestamp,$dateOnly=false){
|
|
if(isset($_SESSION['timezone'])){//adjust to clients timezone if we know it
|
|
$systemTimeZone = intval(date('O'));
|
|
$systemTimeZone=(round($systemTimeZone/100,0)*60)+($systemTimeZone%100);
|
|
$clientTimeZone=$_SESSION['timezone']*60;
|
|
$offset=$clientTimeZone-$systemTimeZone;
|
|
$timestamp=$timestamp+$offset*60;
|
|
}
|
|
$timeformat=$dateOnly?'F j, Y':'F j, Y, H:i';
|
|
return date($timeformat,$timestamp);
|
|
}
|
|
|
|
/**
|
|
* Shows a pagenavi widget where you can jump to different pages.
|
|
*
|
|
* @param int $pagecount
|
|
* @param int $page
|
|
* @param string $url
|
|
* @return OC_Template
|
|
*/
|
|
public static function getPageNavi($pagecount,$page,$url) {
|
|
|
|
$pagelinkcount=8;
|
|
if ($pagecount>1) {
|
|
$pagestart=$page-$pagelinkcount;
|
|
if($pagestart<0) $pagestart=0;
|
|
$pagestop=$page+$pagelinkcount;
|
|
if($pagestop>$pagecount) $pagestop=$pagecount;
|
|
|
|
$tmpl = new OC_Template( '', 'part.pagenavi', '' );
|
|
$tmpl->assign('page',$page);
|
|
$tmpl->assign('pagecount',$pagecount);
|
|
$tmpl->assign('pagestart',$pagestart);
|
|
$tmpl->assign('pagestop',$pagestop);
|
|
$tmpl->assign('url',$url);
|
|
return $tmpl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* check if the current server configuration is suitable for ownCloud
|
|
* @return array arrays with error messages and hints
|
|
*/
|
|
public static function checkServer(){
|
|
$CONFIG_DATADIRECTORY_ROOT = OC_Config::getValue( "datadirectory", OC::$SERVERROOT."/data" );
|
|
$CONFIG_BACKUPDIRECTORY = OC_Config::getValue( "backupdirectory", OC::$SERVERROOT."/backup" );
|
|
$CONFIG_INSTALLED = OC_Config::getValue( "installed", false );
|
|
$errors=array();
|
|
|
|
//check for database drivers
|
|
if(!(is_callable('sqlite_open') or class_exists('SQLite3')) and !is_callable('mysql_connect') and !is_callable('pg_connect')){
|
|
$errors[]=array('error'=>'No database drivers (sqlite, mysql, or postgresql) installed.<br/>','hint'=>'');//TODO: sane hint
|
|
}
|
|
$CONFIG_DBTYPE = OC_Config::getValue( "dbtype", "sqlite" );
|
|
$CONFIG_DBNAME = OC_Config::getValue( "dbname", "owncloud" );
|
|
|
|
//common hint for all file permissons error messages
|
|
$permissionsHint="Permissions can usually be fixed by giving the webserver write access to the ownCloud directory";
|
|
|
|
//check for correct file permissions
|
|
if(!stristr(PHP_OS, 'WIN')){
|
|
$permissionsModHint="Please change the permissions to 0770 so that the directory cannot be listed by other users.";
|
|
$prems=substr(decoct(@fileperms($CONFIG_DATADIRECTORY_ROOT)),-3);
|
|
if(substr($prems,-1)!='0'){
|
|
OC_Helper::chmodr($CONFIG_DATADIRECTORY_ROOT,0770);
|
|
clearstatcache();
|
|
$prems=substr(decoct(@fileperms($CONFIG_DATADIRECTORY_ROOT)),-3);
|
|
if(substr($prems,2,1)!='0'){
|
|
$errors[]=array('error'=>'Data directory ('.$CONFIG_DATADIRECTORY_ROOT.') is readable for other users<br/>','hint'=>$permissionsModHint);
|
|
}
|
|
}
|
|
if( OC_Config::getValue( "enablebackup", false )){
|
|
$prems=substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)),-3);
|
|
if(substr($prems,-1)!='0'){
|
|
OC_Helper::chmodr($CONFIG_BACKUPDIRECTORY,0770);
|
|
clearstatcache();
|
|
$prems=substr(decoct(@fileperms($CONFIG_BACKUPDIRECTORY)),-3);
|
|
if(substr($prems,2,1)!='0'){
|
|
$errors[]=array('error'=>'Data directory ('.$CONFIG_BACKUPDIRECTORY.') is readable for other users<br/>','hint'=>$permissionsModHint);
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
//TODO: permissions checks for windows hosts
|
|
}
|
|
if(is_dir($CONFIG_DATADIRECTORY_ROOT) and !is_writable($CONFIG_DATADIRECTORY_ROOT)){
|
|
$errors[]=array('error'=>'Data directory ('.$CONFIG_DATADIRECTORY_ROOT.') not writable by ownCloud<br/>','hint'=>$permissionsHint);
|
|
}
|
|
|
|
// check if all required php modules are present
|
|
if(!class_exists('ZipArchive')){
|
|
$errors[]=array('error'=>'PHP module zip not installed.<br/>','hint'=>'Please ask your server administrator to install the module.');
|
|
}
|
|
|
|
if(!function_exists('mb_detect_encoding')){
|
|
$errors[]=array('error'=>'PHP module mb multibyte not installed.<br/>','hint'=>'Please ask your server administrator to install the module.');
|
|
}
|
|
if(!function_exists('ctype_digit')){
|
|
$errors[]=array('error'=>'PHP module ctype is not installed.<br/>','hint'=>'Please ask your server administrator to install the module.');
|
|
}
|
|
|
|
if(file_exists(OC::$SERVERROOT."/config/config.php") and !is_writable(OC::$SERVERROOT."/config/config.php")){
|
|
$errors[]=array('error'=>"Can't write into config directory 'config'",'hint'=>"You can usually fix this by giving the webserver use write access to the config directory in owncloud");
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
public static function displayLoginPage($parameters = array()){
|
|
if(isset($_COOKIE["username"])){
|
|
$parameters["username"] = $_COOKIE["username"];
|
|
} else {
|
|
$parameters["username"] = '';
|
|
}
|
|
OC_Template::printGuestPage("", "login", $parameters);
|
|
}
|
|
|
|
|
|
/**
|
|
* Check if the app is enabled, send json error msg if not
|
|
*/
|
|
public static function checkAppEnabled($app){
|
|
if( !OC_App::isEnabled($app)){
|
|
header( 'Location: '.OC_Helper::linkTo( '', 'index.php' , true));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the user is logged in, redirects to home if not
|
|
*/
|
|
public static function checkLoggedIn(){
|
|
// Check if we are a user
|
|
if( !OC_User::isLoggedIn()){
|
|
header( 'Location: '.OC_Helper::linkTo( '', 'index.php' , true));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Check if the user is a admin, redirects to home if not
|
|
*/
|
|
public static function checkAdminUser(){
|
|
// Check if we are a user
|
|
self::checkLoggedIn();
|
|
if( !OC_Group::inGroup( OC_User::getUser(), 'admin' )){
|
|
header( 'Location: '.OC_Helper::linkTo( '', 'index.php' , true));
|
|
exit();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Redirect to the user default page
|
|
*/
|
|
public static function redirectToDefaultPage(){
|
|
if(isset($_REQUEST['redirect_url'])) {
|
|
header( 'Location: '.$_REQUEST['redirect_url']);
|
|
} else {
|
|
header( 'Location: '.OC::$WEBROOT.'/'.OC_Appconfig::getValue('core', 'defaultpage', 'files/index.php'));
|
|
}
|
|
exit();
|
|
}
|
|
}
|