428 lines
13 KiB
PHP
Executable file
428 lines
13 KiB
PHP
Executable file
<?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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* @author Jakob Sack
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* @copyright 2010 Frank Karlitschek karlitschek@kde.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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* This class manages the apps. It allows them to register and integrate in the
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* owncloud ecosystem. Furthermore, this class is responsible for installing,
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* upgrading and removing apps.
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*/
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class OC_App{
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static private $init = false;
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static private $apps = array();
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static private $activeapp = '';
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static private $navigation = array();
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static private $settingsForms = array();
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static private $adminForms = array();
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static private $personalForms = array();
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/**
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* @brief loads all apps
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* @returns true/false
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*
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* This function walks through the owncloud directory and loads all apps
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* it can find. A directory contains an app if the file /appinfo/app.php
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* exists.
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*/
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public static function loadApps(){
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// Did we allready load everything?
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if( self::$init ){
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return true;
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}
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// Our very own core apps are hardcoded
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foreach( array('files', 'settings') as $app ){
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require( $app.'/appinfo/app.php' );
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}
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// The rest comes here
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$apps = OC_Appconfig::getApps();
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foreach( $apps as $app ){
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if( self::isEnabled( $app )){
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if(is_file(OC::$APPSROOT.'/apps/'.$app.'/appinfo/app.php')){
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require( $app.'/appinfo/app.php' );
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}
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}
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}
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self::$init = true;
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// return
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return true;
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}
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/**
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* @brief checks whether or not an app is enabled
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* @param $app app
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* @returns true/false
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*
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* This function checks whether or not an app is enabled.
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*/
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public static function isEnabled( $app ){
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if( 'yes' == OC_Appconfig::getValue( $app, 'enabled' )){
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return true;
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}
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return false;
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}
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/**
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* @brief enables an app
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* @param $app app
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* @returns true/false
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*
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* This function set an app as enabled in appconfig.
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*/
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public static function enable( $app ){
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if(!OC_Installer::isInstalled($app)){
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// check if app is a shipped app or not. OCS apps have an integer as id, shipped apps use a string
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if(!is_numeric($app)){
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OC_Installer::installShippedApp($app);
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}else{
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$download=OC_OCSClient::getApplicationDownload($app,1);
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if(isset($download['downloadlink']) and $download['downloadlink']<>'') {
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$app=OC_Installer::installApp(array('source'=>'http','href'=>$download['downloadlink']));
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}
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}
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}
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OC_Appconfig::setValue( $app, 'enabled', 'yes' );
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}
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/**
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* @brief disables an app
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* @param $app app
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* @returns true/false
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*
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* This function set an app as disabled in appconfig.
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*/
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public static function disable( $app ){
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// check if app is a shiped app or not. if not delete
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OC_Appconfig::setValue( $app, 'enabled', 'no' );
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}
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/**
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* @brief makes owncloud aware of this app
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* @param $data array with all information
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* @returns true/false
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*
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* This function registers the application. $data is an associative array.
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* The following keys are required:
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* - id: id of the application, has to be unique ('addressbook')
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* - name: Human readable name ('Addressbook')
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* - version: array with Version (major, minor, bugfix) ( array(1, 0, 2))
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*
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* The following keys are optional:
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* - order: integer, that influences the position of your application in
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* a list of applications. Lower values come first.
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*
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*/
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public static function register( $data ){
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OC_App::$apps[] = $data;
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}
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/**
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* @brief returns information of all apps
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* @return array with all information
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*
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* This function returns all data it got via register().
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*/
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public static function get(){
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return OC_App::$apps;
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}
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/**
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* @brief adds an entry to the navigation
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* @param $data array containing the data
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* @returns true/false
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*
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* This function adds a new entry to the navigation visible to users. $data
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* is an associative array.
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* The following keys are required:
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* - id: unique id for this entry ('addressbook_index')
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* - href: link to the page
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* - name: Human readable name ('Addressbook')
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*
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* The following keys are optional:
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* - icon: path to the icon of the app
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* - order: integer, that influences the position of your application in
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* the navigation. Lower values come first.
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*/
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public static function addNavigationEntry( $data ){
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$data['active']=false;
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if(!isset($data['icon'])){
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$data['icon']='';
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}
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OC_App::$navigation[] = $data;
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return true;
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}
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/**
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* @brief marks a navigation entry as active
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* @param $id id of the entry
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* @returns true/false
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*
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* This function sets a navigation entry as active and removes the 'active'
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* property from all other entries. The templates can use this for
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* highlighting the current position of the user.
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*/
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public static function setActiveNavigationEntry( $id ){
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self::$activeapp = $id;
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return true;
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}
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/**
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* @brief gets the active Menu entry
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* @returns id or empty string
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*
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* This function returns the id of the active navigation entry (set by
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* setActiveNavigationEntry
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*/
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public static function getActiveNavigationEntry(){
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return self::$activeapp;
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}
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/**
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* @brief Returns the Settings Navigation
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* @returns associative array
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*
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* This function returns an array containing all settings pages added. The
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* entries are sorted by the key 'order' ascending.
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*/
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public static function getSettingsNavigation(){
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$l=new OC_L10N('core');
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$settings = array();
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// by default, settings only contain the help menu
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if(OC_Config::getValue('knowledgebaseenabled', true)==true){
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$settings = array(
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array( "id" => "help", "order" => 1000, "href" => OC_Helper::linkTo( "settings", "help.php" ), "name" => $l->t("Help"), "icon" => OC_Helper::imagePath( "settings", "help.svg" ))
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);
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}
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// if the user is logged-in
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if (OC_User::isLoggedIn()) {
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// personal menu
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$settings[] = array( "id" => "personal", "order" => 1, "href" => OC_Helper::linkTo( "settings", "personal.php" ), "name" => $l->t("Personal"), "icon" => OC_Helper::imagePath( "settings", "personal.svg" ));
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// if there're some settings forms
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if(!empty(self::$settingsForms))
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// settings menu
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$settings[]=array( "id" => "settings", "order" => 1000, "href" => OC_Helper::linkTo( "settings", "settings.php" ), "name" => $l->t("Settings"), "icon" => OC_Helper::imagePath( "settings", "settings.svg" ));
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// if the user is an admin
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if(OC_Group::inGroup( $_SESSION["user_id"], "admin" )) {
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// admin users menu
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$settings[] = array( "id" => "core_users", "order" => 2, "href" => OC_Helper::linkTo( "settings", "users.php" ), "name" => $l->t("Users"), "icon" => OC_Helper::imagePath( "settings", "users.svg" ));
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// admin apps menu
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$settings[] = array( "id" => "core_apps", "order" => 3, "href" => OC_Helper::linkTo( "settings", "apps.php" ).'?installed', "name" => $l->t("Apps"), "icon" => OC_Helper::imagePath( "settings", "apps.svg" ));
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// admin log menu
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$settings[] = array( "id" => "core_log", "order" => 4, "href" => OC_Helper::linkTo( "settings", "log.php" ), "name" => $l->t("Log"), "icon" => OC_Helper::imagePath( "settings", "log.svg" ));
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$settings[]=array( "id" => "admin", "order" => 1000, "href" => OC_Helper::linkTo( "settings", "admin.php" ), "name" => $l->t("Admin"), "icon" => OC_Helper::imagePath( "settings", "admin.svg" ));
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}
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}
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$navigation = self::proceedNavigation($settings);
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return $navigation;
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}
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/// This is private as well. It simply works, so don't ask for more details
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private static function proceedNavigation( $list ){
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foreach( $list as &$naventry ){
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$naventry['subnavigation'] = array();
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if( $naventry['id'] == self::$activeapp ){
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$naventry['active'] = true;
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}
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else{
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$naventry['active'] = false;
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}
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} unset( $naventry );
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usort( $list, create_function( '$a, $b', 'if( $a["order"] == $b["order"] ){return 0;}elseif( $a["order"] < $b["order"] ){return -1;}else{return 1;}' ));
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return $list;
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}
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/**
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* @brief Read app metadata from the info.xml file
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* @param string $appid id of the app or the path of the info.xml file
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* @returns array
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*/
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public static function getAppInfo($appid){
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if(is_file($appid)){
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$file=$appid;
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}else{
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$file=OC::$APPSROOT.'/apps/'.$appid.'/appinfo/info.xml';
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if(!is_file($file)){
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return array();
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}
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}
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$data=array();
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$content=file_get_contents($file);
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$xml = new SimpleXMLElement($content);
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$data['info']=array();
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foreach($xml->children() as $child){
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$data[$child->getName()]=(string)$child;
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}
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return $data;
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}
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/**
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* @brief Returns the navigation
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* @returns associative array
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*
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* This function returns an array containing all entries added. The
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* entries are sorted by the key 'order' ascending. Additional to the keys
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* given for each app the following keys exist:
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* - active: boolean, signals if the user is on this navigation entry
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* - children: array that is empty if the key 'active' is false or
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* contains the subentries if the key 'active' is true
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*/
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public static function getNavigation(){
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$navigation = self::proceedNavigation( self::$navigation );
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return $navigation;
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}
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/**
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* get the id of loaded app
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* @return string
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*/
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public static function getCurrentApp(){
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$script=substr($_SERVER["SCRIPT_NAME"],strlen(OC::$WEBROOT)+1);
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$topFolder=substr($script,0,strpos($script,'/'));
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if($topFolder=='apps'){
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$length=strlen($topFolder);
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return substr($script,$length+1,strpos($script,'/',$length+1)-$length-1);
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}else{
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return $topFolder;
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}
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}
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/**
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* get the forms for either settings, admin or personal
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*/
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public static function getForms($type){
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$forms=array();
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switch($type){
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case 'settings':
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$source=self::$settingsForms;
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break;
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case 'admin':
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$forms[] = include 'files/admin.php'; //hardcode own apps
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$source=self::$adminForms;
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break;
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case 'personal':
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$source=self::$personalForms;
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break;
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}
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foreach($source as $form){
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$forms[]=include $form;
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}
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return $forms;
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}
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/**
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* register a settings form to be shown
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*/
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public static function registerSettings($app,$page){
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self::$settingsForms[]='apps/'.$app.'/'.$page.'.php';
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}
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/**
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* register an admin form to be shown
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*/
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public static function registerAdmin($app,$page){
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self::$adminForms[]='apps/'.$app.'/'.$page.'.php';
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}
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/**
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* register a personal form to be shown
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*/
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public static function registerPersonal($app,$page){
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self::$personalForms[]='apps/'.$app.'/'.$page.'.php';
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}
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/**
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* get a list of all apps in the apps folder
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*/
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public static function getAllApps(){
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$apps=array();
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$dh=opendir(OC::$APPSROOT.'/apps');
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while($file=readdir($dh)){
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if(substr($file,0,1)!='.' and is_file(OC::$APPSROOT.'/apps/'.$file.'/appinfo/app.php')){
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$apps[]=$file;
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}
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}
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return $apps;
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}
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/**
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* check if any apps need updating and update those
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*/
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public static function updateApps(){
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// The rest comes here
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$apps = OC_Appconfig::getApps();
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foreach( $apps as $app ){
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$installedVersion=OC_Appconfig::getValue($app,'installed_version');
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$appInfo=OC_App::getAppInfo($app);
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if (isset($appInfo['version'])) {
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$currentVersion=$appInfo['version'];
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if (version_compare($currentVersion, $installedVersion, '>')) {
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OC_App::updateApp($app);
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OC_Appconfig::setValue($app,'installed_version',$appInfo['version']);
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}
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}
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}
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}
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/**
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* update the database for the app and call the update script
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* @param string appid
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*/
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public static function updateApp($appid){
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if(file_exists(OC::$APPSROOT.'/apps/'.$appid.'/appinfo/database.xml')){
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OC_DB::updateDbFromStructure(OC::$APPSROOT.'/apps/'.$appid.'/appinfo/database.xml');
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}
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if(file_exists(OC::$APPSROOT.'/apps/'.$appid.'/appinfo/update.php')){
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include OC::$APPSROOT.'/apps/'.$appid.'/appinfo/update.php';
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}
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}
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/**
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* @param string appid
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* @return OC_FilesystemView
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*/
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public static function getStorage($appid){
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if(OC_App::isEnabled($appid)){//sanity check
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if(OC_User::isLoggedIn()){
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return new OC_FilesystemView('/'.OC_User::getUser().'/'.$appid);
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}else{
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OC_Log::write('core','Can\'t get app storage, app, user not logged in',OC_Log::ERROR);
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return false;
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}
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}else{
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OC_Log::write('core','Can\'t get app storage, app '.$appid.' not enabled',OC_Log::ERROR);
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false;
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}
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}
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}
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