411 lines
12 KiB
PHP
411 lines
12 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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* @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 $adminpages = array();
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static private $settingspages = array();
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static private $navigation = array();
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static private $subnavigation = 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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global $SERVERROOT;
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// Did we allready load everything?
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if( self::$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( 'admin', 'files', 'log', 'help', '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( $app )){
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if(is_file($SERVERROOT.'/apps/'.$app.'/appinfo/app.php')){
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require( 'apps/'.$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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OC_Appconfig::setValue( $app, 'enabled', 'yes' );
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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 disable( $app ){
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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[] = $data;
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}
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/**
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* @brief returns information of all apps
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* @return array with all information
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*
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* This function returns all data it got via register().
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*/
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public static function get(){
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// TODO: write function
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return OC_App::$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 adds a sub entry to the navigation
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* @param $parent id of the parent
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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 sub entry to the navigation visible to users.
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* these entries are visible only if the parent navigation entry is marked
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* as being active (see activateNavigationEntry()). $data is an associative
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* 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 addNavigationSubEntry( $parent, $data ){
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$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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if( !array_key_exists( $parent, self::$subnavigation )){
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self::$subnavigation[$parent] = array();
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}
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self::$subnavigation[$parent][] = $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 registers an admin page
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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 registers a admin page that will be shown in the admin
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* menu. $data is an associative array.
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* The following keys are required:
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* - id: unique id for this entry ('files_admin')
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* - href: link to the admin page
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* - name: Human readable name ('Files Administration')
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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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* the list. Lower values come first.
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*/
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public static function addAdminPage( $data = array()){
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// TODO: write function
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OC_App::$adminpages[] = $data;
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return true;
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}
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/**
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* @brief registers a settings page
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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 registers a settings page. $data is an associative array.
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* The following keys are required:
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* - app: app the settings belong to ('files')
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* - id: unique id for this entry ('files_public')
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* - href: link to the admin page
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* - name: Human readable name ('Public files')
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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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* the list. Lower values come first.
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*
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* For the main settings page of an app, the keys 'app' and 'id' have to be
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* the same.
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*/
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public static function addSettingsPage( $data = array()){
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// TODO: write function
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OC_App::$settingspages[] = $data;
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return true;
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}
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/**
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* @brief Returns the navigation
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* @returns associative array
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*
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* This function returns an array containing all entries added. The
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* entries are sorted by the key 'order' ascending. Additional to the keys
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* given for each app the following keys exist:
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* - active: boolean, signals if the user is on this navigation entry
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* - children: array that is empty if the key 'active' is false or
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* contains the subentries if the key 'active' is true
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*/
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public static function getNavigation(){
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$navigation = self::proceedNavigation( self::$navigation );
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$navigation = self::addSubNavigation( $navigation );
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return $navigation;
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}
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/**
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* @brief Returns the Settings Navigation
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* @returns associative array
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*
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* This function returns an array containing all settings pages added. The
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* entries are sorted by the key 'order' ascending.
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*/
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public static function getSettingsNavigation(){
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$navigation = self::proceedNavigation( self::$settingspages );
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$navigation = self::addSubNavigation( $navigation );
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return $navigation;
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}
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/**
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* @brief Returns the admin navigation
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* @returns associative array
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*
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* This function returns an array containing all admin pages added. The
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* entries are sorted by the key 'order' ascending.
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*/
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public static function getAdminNavigation(){
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$navigation = self::proceedNavigation( self::$adminpages );
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$navigation = self::addSubNavigation( $navigation );
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return $navigation;
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}
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/// Private foo
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private static function addSubNavigation( $list ){
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if(isset(self::$subnavigation[self::$activeapp])){
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$subNav=self::$subnavigation[self::$activeapp];
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foreach( $list as &$naventry ){
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if( $naventry['id'] == self::$activeapp ){
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$naventry['active'] = true;
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$naventry['subnavigation'] = $subNav;
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}
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}
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}else{
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foreach(self::$subnavigation as $parent=>$entries){
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$activeParent=false;
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foreach($entries as &$subNav){
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$subNav['active']=$subNav['id'] == self::$activeapp;
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if($subNav['active']){
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$activeParent=true;
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}
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}
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if($activeParent){
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foreach( $list as &$naventry ){
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if( $naventry['id'] == $parent ){
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$naventry['active'] = true;
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$naventry['subnavigation'] = $entries;
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}
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}
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}
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}
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}
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return $list;
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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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if( array_key_exists( $naventry['id'], self::$subnavigation )){
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$naventry['subnavigation'] = self::$subnavigation[$naventry['id']];
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}
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}
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else{
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$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='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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* 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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global $WEBROOT;
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$script=substr($_SERVER["SCRIPT_NAME"],strlen($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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