server/lib/app.php
2011-04-16 20:36:43 +02:00

391 lines
No EOL
12 KiB
PHP

<?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 $adminpages = array();
static private $settingspages = array();
static private $navigation = array();
static private $subnavigation = array();
/**
* @brief loads all apps
* @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.
*/
public static function loadApps(){
global $SERVERROOT;
// Did we allready load everything?
if( self::$init ){
return true;
}
// Our very own core apps are hardcoded
foreach( array( "admin", "files", "log", "help", "settings" ) as $app ){
require( "$app/appinfo/app.php" );
}
// The rest comes here
$dir = opendir( "$SERVERROOT/apps" );
while( false !== ( $filename = readdir( $dir ))){
if( substr( $filename, 0, 1 ) != '.' ){
if( file_exists( "$SERVERROOT/apps/$filename/appinfo/app.php" )){
require( "apps/$filename/appinfo/app.php" );
}
}
}
closedir( $dir );
self::$init = true;
// return
return true;
}
/**
* @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[] = $data;
}
/**
* @brief returns information of all apps
* @return array with all information
*
* This function returns all data it got via register().
*/
public static function get(){
// TODO: write function
return OC_APP::$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( $data ){
// TODO: write function
OC_APP::$navigation[] = $data;
return true;
}
/**
* @brief adds a sub entry to the navigation
* @param $parent id of the parent
* @param $data array containing the data
* @returns true/false
*
* This function adds a new sub entry to the navigation visible to users.
* these entries are visible only if the parent navigation entry is marked
* as being active (see activateNavigationEntry()). $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 addNavigationSubEntry( $parent, $data ){
if( !array_key_exists( self::$subnavigation[$parent] )){
self::$subnavigation[$parent] = array();
}
self::$subnavigation[$parent][] = $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 registers an admin page
* @param $data array containing the data
* @returns true/false
*
* This function registers a admin page that will be shown in the admin
* menu. $data is an associative array.
* The following keys are required:
* - id: unique id for this entry ("files_admin")
* - href: link to the admin page
* - name: Human readable name ("Files Administration")
*
* The following keys are optional:
* - order: integer, that influences the position of your application in
* the list. Lower values come first.
*/
public static function addAdminPage( $data = array()){
// TODO: write function
OC_APP::$adminpages[] = $data;
return true;
}
/**
* @brief registers a settings page
* @param $data array containing the data
* @returns true/false
*
* This function registers a settings page. $data is an associative array.
* The following keys are required:
* - app: app the settings belong to ("files")
* - id: unique id for this entry ("files_public")
* - href: link to the admin page
* - name: Human readable name ("Public files")
*
* The following keys are optional:
* - order: integer, that influences the position of your application in
* the list. Lower values come first.
*
* For the main settings page of an app, the keys "app" and "id" have to be
* the same.
*/
public static function addSettingsPage( $data = array()){
// TODO: write function
OC_APP::$settingspages[] = $data;
return true;
}
/**
* @brief Returns the navigation
* @returns associative array
*
* This function returns an array containing all entries added. The
* entries are sorted by the key "order" ascending. Additional to the keys
* given for each app the following keys exist:
* - active: boolean, signals if the user is on this navigation entry
* - children: array that is empty if the key "active" is false or
* contains the subentries if the key "active" is true
*/
public static function getNavigation(){
// TODO: write function
return OC_APP::$navigation;
}
/**
* @brief Returns the admin pages
* @returns associative array
*
* This function returns an array containing all admin pages added. The
* entries are sorted by the key "order" ascending.
*/
public static function getAdminPages(){
// TODO: write function
return OC_APP::$adminpages;
}
/**
* @brief Returns the admin pages
* @param $app optional, name of the app we want the settings for
* @returns associative array
*
* This function returns an array with the settings pages. If $app is not
* set, it will return the main settings pages for all apps (where
* "id" == "app"). Otherwise it will list all settings pages of the app.
* The entries are sorted by the key "order" ascending.
*/
public static function getSettingsPages( $app = null ){
$return = array();
if( is_null( $app )){
foreach( OC_APP::$settingspages as $i ){
if(!isset($i["id"])){
$i["id"]='';
}
if(!isset($i["app"])){
$i["app"]='';
}
if( $i["id"] == $i["app"] ){
$return[] = $i;
}
}
}
else{
foreach( OC_APP::$settingspages as $i ){
if( $i["app"] == $app ){
$return[] = $i;
}
}
}
return $return;
}
/**
* @brief Installs an app
* @param $data array with all information
* @returns integer
*
* This function installs an app. All information needed are passed in the
* associative array $data.
* The following keys are required:
* - source: string, can be "path" or "http"
*
* One of the following keys is required:
* - path: path to the file containing the app
* - href: link to the downloadable file containing the app
*
* The following keys are optional:
* - pretend: boolean, if set true the system won't do anything
* - noinstall: boolean, if true the function oc_app_install will be
* skipped
* - inactive: boolean, if set true the appconfig/app.sample.php won't be
* renamed
*
* This function works as follows
* -# fetching the file
* -# unzipping it
* -# including appinfo/installer.php
* -# executing "oc_app_install()"
* -# renaming appinfo/app.sample.php to appinfo/app.php
*
* It is the task of oc_app_install to create the tables and do whatever is
* needed to get the app working.
*/
public static function installApp( $data = array()){
// TODO: write function
return true;
}
/**
* @brief Update an application
* @param $data array with all information
* @returns integer
*
* This function installs an app. All information needed are passed in the
* associative array $data.
* The following keys are required:
* - source: string, can be "path" or "http"
*
* One of the following keys is required:
* - path: path to the file containing the app
* - href: link to the downloadable file containing the app
*
* The following keys are optional:
* - pretend: boolean, if set true the system won't do anything
* - noupgrade: boolean, if true the function oc_app_upgrade will be
* skipped
* - keepappinfo: boolean. If set true, the folder appinfo will not be
* deleted, appinfo/app.php will not be replaced by a new version
*
* This function works as follows
* -# fetching the file
* -# removing the old files
* -# unzipping new file
* -# including appinfo/installer.php
* -# executing "oc_app_upgrade( $options )"
* -# renaming appinfo/app.sample.php to appinfo/app.php
*/
public static function upgradeApp( $data = array()){
// TODO: write function
return true;
}
/**
* @brief Removes an app
* @param $name name of the application to remove
* @param $options array with options
* @returns true/false
*
* This function removes an app. $options is an associative array. The
* following keys are optional:ja
* - keeppreferences: boolean, if true the user preferences won't be deleted
* - keepappconfig: boolean, if true the config will be kept
* - keeptables: boolean, if true the database will be kept
* - keepfiles: boolean, if true the user files will be kept
*
* This function works as follows
* -# including appinfo/installer.php
* -# executing "oc_app_uninstall( $options )"
* -# removing the files
*
* The function will not delete preferences, tables and the configuration,
* this has to be done by the function oc_app_uninstall().
*/
public static function removeApp( $name, $options = array()){
// TODO: write function
return true;
}
}
?>