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<?php
/**
* ownCloud
*
* @author Frank Karlitschek
* @author Jakob Sack
* @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 Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* This class manages the apps. It allows them to register and integrate in the
* owncloud ecosystem. Furthermore, this class is responsible for installing,
* upgrading and removing apps.
*/
class OC_App{
static private $init = false;
static private $apps = array();
static private $activeapp = '';
static private $navigation = array();
static private $settingsForms = array();
static private $adminForms = array();
static private $personalForms = array();
static private $appInfo = array();
/**
* @brief loads all apps
* @param array $types
* @returns true/false
*
* This function walks through the owncloud directory and loads all apps
* it can find. A directory contains an app if the file /appinfo/app.php
* exists.
*
* if $types is set, only apps of those types will be loaded
*/
public static function loadApps($types=null){
// Did we allready load everything?
if( self::$init ){
return true;
}
// Our very own core apps are hardcoded
foreach( array('files', 'settings') as $app ){
if(is_null($types)){
require( $app.'/appinfo/app.php' );
}
}
// The rest comes here
$apps = self::getEnabledApps();
foreach( $apps as $app ){
if(is_null($types) or self::isType($app,$types)){
if(is_file(OC::$SERVERROOT.'/apps/'.$app.'/appinfo/app.php')){
require( 'apps/'.$app.'/appinfo/app.php' );
}
}
}
self::$init = true;
// return
return true;
}
/**
* check if an app is of a sepcific type
* @param string $app
* @param string/array $types
*/
public static function isType($app,$types){
if(is_string($types)){
$types=array($types);
}
$appData=self::getAppInfo($app);
if(!isset($appData['types'])){
return false;
}
$appTypes=$appData['types'];
foreach($types as $type){
if(array_search($type,$appTypes)!==false){
return true;
}
}
return false;
}
/**
* get all enabled apps
*/
public static function getEnabledApps(){
$apps=array();
$query = OC_DB::prepare( 'SELECT appid FROM *PREFIX*appconfig WHERE configkey = \'enabled\' AND configvalue=\'yes\'' );
$result=$query->execute();
while($row=$result->fetchRow()){
$apps[]=$row['appid'];
}
return $apps;
}
/**
* @brief checks whether or not an app is enabled
* @param $app app
* @returns true/false
*
* This function checks whether or not an app is enabled.
*/
public static function isEnabled( $app ){
if( 'yes' == OC_Appconfig::getValue( $app, 'enabled' )){
return true;
}
return false;
}
/**
* @brief enables an app
* @param $app app
* @returns true/false
*
* This function set an app as enabled in appconfig.
*/
public static function enable( $app ){
if(!OC_Installer::isInstalled($app)){
// check if app is a shipped app or not. OCS apps have an integer as id, shipped apps use a string
if(!is_numeric($app)){
OC_Installer::installShippedApp($app);
}else{
$download=OC_OCSClient::getApplicationDownload($app,1);
if(isset($download['downloadlink']) and $download['downloadlink']<>'') {
$app=OC_Installer::installApp(array('source'=>'http','href'=>$download['downloadlink']));
}
}
}
OC_Appconfig::setValue( $app, 'enabled', 'yes' );
}
/**
* @brief disables an app
* @param $app app
* @returns true/false
*
* This function set an app as disabled in appconfig.
*/
public static function disable( $app ){
// check if app is a shiped app or not. if not delete
OC_Appconfig::setValue( $app, 'enabled', 'no' );
}
/**
* @brief makes owncloud aware of this app
* @param $data array with all information
* @returns true/false
*
* This function registers the application. $data is an associative array.
* The following keys are required:
* - id: id of the application, has to be unique ('addressbook')
* - name: Human readable name ('Addressbook')
* - version: array with Version (major, minor, bugfix) ( array(1, 0, 2))
*
* The following keys are optional:
* - order: integer, that influences the position of your application in
* a list of applications. Lower values come first.
*
*/
public static function register( $data ){
OC_App::$apps[] = $data;
}
/**
* @brief returns information of all apps
* @return array with all information
*
* This function returns all data it got via register().
*/
public static function get(){
return OC_App::$apps;
}
/**
* @brief adds an entry to the navigation
* @param $data array containing the data
* @returns true/false
*
* This function adds a new entry to the navigation visible to users. $data
* is an associative array.
* The following keys are required:
* - id: unique id for this entry ('addressbook_index')
* - href: link to the page
* - name: Human readable name ('Addressbook')
*
* The following keys are optional:
* - icon: path to the icon of the app
* - order: integer, that influences the position of your application in
* the navigation. Lower values come first.
*/
public static function addNavigationEntry( $data ){
$data['active']=false;
if(!isset($data['icon'])){
$data['icon']='';
}
OC_App::$navigation[] = $data;
return true;
}
/**
* @brief marks a navigation entry as active
* @param $id id of the entry
* @returns true/false
*
* This function sets a navigation entry as active and removes the 'active'
* property from all other entries. The templates can use this for
* highlighting the current position of the user.
*/
public static function setActiveNavigationEntry( $id ){
self::$activeapp = $id;
return true;
}
/**
* @brief gets the active Menu entry
* @returns id or empty string
*
* This function returns the id of the active navigation entry (set by
* setActiveNavigationEntry
*/
public static function getActiveNavigationEntry(){
return self::$activeapp;
}
/**
* @brief Returns the Settings Navigation
* @returns associative array
*
* This function returns an array containing all settings pages added. The
* entries are sorted by the key 'order' ascending.
*/
public static function getSettingsNavigation(){
$l=new OC_L10N('core');
// by default, settings only contain the help menu
$settings = array(
array( "id" => "help", "order" => 1000, "href" => OC_Helper::linkTo( "settings", "help.php" ), "name" => $l->t("Help"), "icon" => OC_Helper::imagePath( "settings", "help.svg" ))
);
// if the user is logged-in
if (OC_User::isLoggedIn()) {
// personal menu
$settings[] = array( "id" => "personal", "order" => 1, "href" => OC_Helper::linkTo( "settings", "personal.php" ), "name" => $l->t("Personal"), "icon" => OC_Helper::imagePath( "settings", "personal.svg" ));
// if there're some settings forms
if(!empty(self::$settingsForms))
// settings menu
$settings[]=array( "id" => "settings", "order" => 1000, "href" => OC_Helper::linkTo( "settings", "settings.php" ), "name" => $l->t("Settings"), "icon" => OC_Helper::imagePath( "settings", "settings.svg" ));
// if the user is an admin
if(OC_Group::inGroup( $_SESSION["user_id"], "admin" )) {
// admin users menu
$settings[] = array( "id" => "core_users", "order" => 2, "href" => OC_Helper::linkTo( "settings", "users.php" ), "name" => $l->t("Users"), "icon" => OC_Helper::imagePath( "settings", "users.svg" ));
// admin apps menu
$settings[] = array( "id" => "core_apps", "order" => 3, "href" => OC_Helper::linkTo( "settings", "apps.php?installed" ), "name" => $l->t("Apps"), "icon" => OC_Helper::imagePath( "settings", "apps.svg" ));
// admin log menu
$settings[] = array( "id" => "core_log", "order" => 4, "href" => OC_Helper::linkTo( "settings", "log.php" ), "name" => $l->t("Log"), "icon" => OC_Helper::imagePath( "settings", "log.svg" ));
$settings[]=array( "id" => "admin", "order" => 1000, "href" => OC_Helper::linkTo( "settings", "admin.php" ), "name" => $l->t("Admin"), "icon" => OC_Helper::imagePath( "settings", "admin.svg" ));
}
}
$navigation = self::proceedNavigation($settings);
return $navigation;
}
/// This is private as well. It simply works, so don't ask for more details
private static function proceedNavigation( $list ){
foreach( $list as &$naventry ){
$naventry['subnavigation'] = array();
if( $naventry['id'] == self::$activeapp ){
$naventry['active'] = true;
}
else{
$naventry['active'] = false;
}
} unset( $naventry );
usort( $list, create_function( '$a, $b', 'if( $a["order"] == $b["order"] ){return 0;}elseif( $a["order"] < $b["order"] ){return -1;}else{return 1;}' ));
return $list;
}
/**
* @brief Read app metadata from the info.xml file
* @param string $appid id of the app or the path of the info.xml file
* @param boolean path (optional)
* @returns array
*/
public static function getAppInfo($appid,$path=false){
if($path){
$file=$appid;
}else{
if(isset(self::$appInfo[$appid])){
return self::$appInfo[$appid];
}
$file=OC::$SERVERROOT.'/apps/'.$appid.'/appinfo/info.xml';
}
$data=array();
$content=@file_get_contents($file);
if(!$content){
return;
}
$xml = new SimpleXMLElement($content);
$data['info']=array();
foreach($xml->children() as $child){
if($child->getName()=='types'){
$data['types']=array();
foreach($child->children() as $type){
$data['types'][]=$type->getName();
}
}else{
$data[$child->getName()]=(string)$child;
}
}
self::$appInfo[$appid]=$data;
return $data;
}
/**
* @brief Returns the navigation
* @returns associative array
*
* This function returns an array containing all entries added. The
* entries are sorted by the key 'order' ascending. Additional to the keys
* given for each app the following keys exist:
* - active: boolean, signals if the user is on this navigation entry
* - children: array that is empty if the key 'active' is false or
* contains the subentries if the key 'active' is true
*/
public static function getNavigation(){
$navigation = self::proceedNavigation( self::$navigation );
return $navigation;
}
/**
* get the id of loaded app
* @return string
*/
public static function getCurrentApp(){
$script=substr($_SERVER["SCRIPT_NAME"],strlen(OC::$WEBROOT)+1);
$topFolder=substr($script,0,strpos($script,'/'));
if($topFolder=='apps'){
$length=strlen($topFolder);
return substr($script,$length+1,strpos($script,'/',$length+1)-$length-1);
}else{
return $topFolder;
}
}
/**
* get the forms for either settings, admin or personal
*/
public static function getForms($type){
$forms=array();
switch($type){
case 'settings':
$source=self::$settingsForms;
break;
case 'admin':
$forms[] = include 'files/admin.php'; //hardcode own apps
$source=self::$adminForms;
break;
case 'personal':
$source=self::$personalForms;
break;
}
foreach($source as $form){
$forms[]=include $form;
}
return $forms;
}
/**
* register a settings form to be shown
*/
public static function registerSettings($app,$page){
self::$settingsForms[]='apps/'.$app.'/'.$page.'.php';
}
/**
* register an admin form to be shown
*/
public static function registerAdmin($app,$page){
self::$adminForms[]='apps/'.$app.'/'.$page.'.php';
}
/**
* register a personal form to be shown
*/
public static function registerPersonal($app,$page){
self::$personalForms[]='apps/'.$app.'/'.$page.'.php';
}
/**
* get a list of all apps in the apps folder
*/
public static function getAllApps(){
$apps=array();
$dh=opendir(OC::$SERVERROOT.'/apps');
while($file=readdir($dh)){
if(is_file(OC::$SERVERROOT.'/apps/'.$file.'/appinfo/app.php')){
$apps[]=$file;
}
}
return $apps;
}
/**
* check if any apps need updating and update those
*/
public static function updateApps(){
// The rest comes here
$versions = self::getAppVersions();
foreach( $versions as $app=>$installedVersion ){
$appInfo=OC_App::getAppInfo($app);
if (isset($appInfo['version'])) {
$currentVersion=$appInfo['version'];
if (version_compare($currentVersion, $installedVersion, '>')) {
OC_App::updateApp($app);
OC_Appconfig::setValue($app,'installed_version',$appInfo['version']);
}
}
}
}
/**
* get the installed version of all papps
*/
public static function getAppVersions(){
$versions=array();
$query = OC_DB::prepare( 'SELECT appid, configvalue FROM *PREFIX*appconfig WHERE configkey = \'installed_version\'' );
$result = $query->execute();
while($row = $result->fetchRow()){
$versions[$row['appid']]=$row['configvalue'];
}
return $versions;
}
/**
* update the database for the app and call the update script
* @param string appid
*/
public static function updateApp($appid){
if(file_exists(OC::$SERVERROOT.'/apps/'.$appid.'/appinfo/database.xml')){
OC_DB::updateDbFromStructure(OC::$SERVERROOT.'/apps/'.$appid.'/appinfo/database.xml');
}
if(file_exists(OC::$SERVERROOT.'/apps/'.$appid.'/appinfo/update.php')){
include OC::$SERVERROOT.'/apps/'.$appid.'/appinfo/update.php';
}
}
}
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