286 lines
8.8 KiB
PHP
286 lines
8.8 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Robin Appelman
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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 provides the functionality needed to install, update and remove plugins/apps
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*/
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class OC_Installer{
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/**
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* @brief Installs an app
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* @param $data array with all information
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* @returns integer
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*
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* This function installs an app. All information needed are passed in the
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* associative array $data.
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* The following keys are required:
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* - source: string, can be "path" or "http"
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*
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* One of the following keys is required:
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* - path: path to the file containing the app
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* - href: link to the downloadable file containing the app
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*
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* The following keys are optional:
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* - pretend: boolean, if set true the system won't do anything
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* - noinstall: boolean, if true appinfo/install.php won't be loaded
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* - inactive: boolean, if set true the appconfig/app.sample.php won't be
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* renamed
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*
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* This function works as follows
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* -# fetching the file
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* -# unzipping it
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* -# installing the database at appinfo/database.xml
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* -# including appinfo/install.php
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* -# setting the installed version
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*
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* It is the task of oc_app_install to create the tables and do whatever is
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* needed to get the app working.
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*/
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public static function installApp( $data = array()){
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if(!isset($data['source'])){
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OC_Log::write('core','No source specified when installing app',OC_Log::ERROR);
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return false;
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}
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//download the file if necesary
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if($data['source']=='http'){
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$path=tempnam(get_temp_dir(),'oc_installer_');
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if(!isset($data['href'])){
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OC_Log::write('core','No href specified when installing app from http',OC_Log::ERROR);
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return false;
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}
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copy($data['href'],$path);
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}else{
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if(!isset($data['path'])){
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OC_Log::write('core','No path specified when installing app from local file',OC_Log::ERROR);
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return false;
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}
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$path=$data['path'];
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}
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//extract the archive in a temporary folder
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$extractDir=tempnam(get_temp_dir(),'oc_installer_uncompressed_');
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unlink($extractDir);
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mkdir($extractDir);
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$zip = new ZipArchive;
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if($zip->open($path)===true){
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$zip->extractTo($extractDir);
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$zip->close();
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} else {
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OC_Log::write('core','Failed to open archive when installing app',OC_Log::ERROR);
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OC_Helper::rmdirr($extractDir);
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if($data['source']=='http'){
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unlink($path);
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}
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return false;
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}
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//load the info.xml file of the app
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if(!is_file($extractDir.'/appinfo/info.xml')){
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OC_Log::write('core','App does not provide an info.xml file',OC_Log::ERROR);
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OC_Helper::rmdirr($extractDir);
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if($data['source']=='http'){
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unlink($path);
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}
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return false;
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}
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$info=OC_App::getAppInfo($extractDir.'/appinfo/info.xml');
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$basedir=OC::$APPSROOT.'/apps/'.$info['id'];
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//check if an app with the same id is already installed
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if(self::isInstalled( $info['id'] )){
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OC_Log::write('core','App already installed',OC_Log::WARN);
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OC_Helper::rmdirr($extractDir);
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if($data['source']=='http'){
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unlink($path);
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}
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return false;
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}
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//check if the destination directory already exists
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if(is_dir($basedir)){
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OC_Log::write('core','App directory already exists',OC_Log::WARN);
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OC_Helper::rmdirr($extractDir);
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if($data['source']=='http'){
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unlink($path);
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}
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return false;
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}
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if(isset($data['pretent']) and $data['pretent']==true){
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return false;
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}
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//copy the app to the correct place
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if(!mkdir($basedir)){
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OC_Log::write('core','Can\'t create app folder ('.$basedir.')',OC_Log::ERROR);
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OC_Helper::rmdirr($extractDir);
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if($data['source']=='http'){
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unlink($path);
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}
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return false;
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}
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OC_Helper::copyr($extractDir,$basedir);
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//remove temporary files
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OC_Helper::rmdirr($extractDir);
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if($data['source']=='http'){
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unlink($path);
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}
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//install the database
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if(is_file($basedir.'/appinfo/database.xml')){
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OC_DB::createDbFromStructure($basedir.'/appinfo/database.xml');
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}
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//run appinfo/install.php
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if((!isset($data['noinstall']) or $data['noinstall']==false) and file_exists($basedir.'/appinfo/install.php')){
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include($basedir.'/appinfo/install.php');
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}
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//set the installed version
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OC_Appconfig::setValue($info['id'],'installed_version',$info['version']);
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OC_Appconfig::setValue($info['id'],'enabled','no');
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return $info['id'];
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}
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/**
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* @brief checks whether or not an app is installed
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* @param $app app
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* @returns true/false
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*
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* Checks whether or not an app is installed, i.e. registered in apps table.
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*/
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public static function isInstalled( $app ){
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if( null == OC_Appconfig::getValue( $app, "installed_version" )){
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return false;
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}
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return true;
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}
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/**
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* @brief Update an application
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* @param $data array with all information
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* @returns integer
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*
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* This function installs an app. All information needed are passed in the
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* associative array $data.
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* The following keys are required:
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* - source: string, can be "path" or "http"
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*
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* One of the following keys is required:
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* - path: path to the file containing the app
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* - href: link to the downloadable file containing the app
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*
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* The following keys are optional:
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* - pretend: boolean, if set true the system won't do anything
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* - noupgrade: boolean, if true appinfo/upgrade.php won't be loaded
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*
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* This function works as follows
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* -# fetching the file
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* -# removing the old files
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* -# unzipping new file
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* -# including appinfo/upgrade.php
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* -# setting the installed version
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*
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* upgrade.php can determine the current installed version of the app using "OC_Appconfig::getValue($appid,'installed_version')"
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*/
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public static function upgradeApp( $data = array()){
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// TODO: write function
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return true;
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}
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/**
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* @brief Removes an app
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* @param $name name of the application to remove
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* @param $options array with options
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* @returns true/false
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*
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* This function removes an app. $options is an associative array. The
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* following keys are optional:ja
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* - keeppreferences: boolean, if true the user preferences won't be deleted
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* - keepappconfig: boolean, if true the config will be kept
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* - keeptables: boolean, if true the database will be kept
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* - keepfiles: boolean, if true the user files will be kept
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*
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* This function works as follows
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* -# including appinfo/remove.php
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* -# removing the files
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*
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* The function will not delete preferences, tables and the configuration,
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* this has to be done by the function oc_app_uninstall().
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*/
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public static function removeApp( $name, $options = array()){
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// TODO: write function
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return true;
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}
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/**
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* @brief Installs shipped apps
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* @param $enabled
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*
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* This function installs all apps found in the 'apps' directory;
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* If $enabled is true, apps are installed as enabled.
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* If $enabled is false, apps are installed as disabled.
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*/
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public static function installShippedApps(){
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$dir = opendir( OC::$APPSROOT."/apps" );
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while( false !== ( $filename = readdir( $dir ))){
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if( substr( $filename, 0, 1 ) != '.' and is_dir(OC::$APPSROOT."/apps/$filename") ){
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if( file_exists( OC::$APPSROOT."/apps/$filename/appinfo/app.php" )){
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if(!OC_Installer::isInstalled($filename)){
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$info = OC_Installer::installShippedApp($filename);
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$enabled = isset($info['default_enable']);
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if( $enabled ){
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OC_Appconfig::setValue($filename,'enabled','yes');
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}else{
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OC_Appconfig::setValue($filename,'enabled','no');
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}
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}
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}
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}
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}
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closedir( $dir );
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}
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/**
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* install an app already placed in the app folder
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* @param string $app id of the app to install
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* @returns array see OC_App::getAppInfo
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*/
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public static function installShippedApp($app){
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//install the database
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if(is_file(OC::$APPSROOT."/apps/$app/appinfo/database.xml")){
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OC_DB::createDbFromStructure(OC::$APPSROOT."/apps/$app/appinfo/database.xml");
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}
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//run appinfo/install.php
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if(is_file(OC::$APPSROOT."/apps/$app/appinfo/install.php")){
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include(OC::$APPSROOT."/apps/$app/appinfo/install.php");
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}
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$info=OC_App::getAppInfo(OC::$APPSROOT."/apps/$app/appinfo/info.xml");
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OC_Appconfig::setValue($app,'installed_version',$info['version']);
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return $info;
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}
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}
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