593 lines
17 KiB
PHP
593 lines
17 KiB
PHP
<?php
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Robin Appelman
|
|
* @copyright 2012 Frank Karlitschek frank@owncloud.org
|
|
*
|
|
* @author Georg Ehrke
|
|
* @copytight 2014 Georg Ehrke georg@ownCloud.com
|
|
*
|
|
* 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 provides the functionality needed to install, update and remove plugins/apps
|
|
*/
|
|
class OC_Installer{
|
|
|
|
/**
|
|
*
|
|
* 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 appinfo/install.php won't be loaded
|
|
* - inactive: boolean, if set true the appconfig/app.sample.php won't be
|
|
* renamed
|
|
*
|
|
* This function works as follows
|
|
* -# fetching the file
|
|
* -# unzipping it
|
|
* -# check the code
|
|
* -# installing the database at appinfo/database.xml
|
|
* -# including appinfo/install.php
|
|
* -# setting the installed version
|
|
*
|
|
* It is the task of oc_app_install to create the tables and do whatever is
|
|
* needed to get the app working.
|
|
*
|
|
* Installs an app
|
|
* @param array $data with all information
|
|
* @throws \Exception
|
|
* @return integer
|
|
*/
|
|
public static function installApp( $data = array()) {
|
|
$l = \OC_L10N::get('lib');
|
|
|
|
list($extractDir, $path) = self::downloadApp($data);
|
|
$info = self::checkAppsIntegrity($data, $extractDir, $path);
|
|
|
|
$basedir=OC_App::getInstallPath().'/'.$info['id'];
|
|
//check if the destination directory already exists
|
|
if(is_dir($basedir)) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
if($data['source']=='http') {
|
|
unlink($path);
|
|
}
|
|
throw new \Exception($l->t("App directory already exists"));
|
|
}
|
|
|
|
if(!empty($data['pretent'])) {
|
|
return false;
|
|
}
|
|
|
|
//copy the app to the correct place
|
|
if(@!mkdir($basedir)) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
if($data['source']=='http') {
|
|
unlink($path);
|
|
}
|
|
throw new \Exception($l->t("Can't create app folder. Please fix permissions. %s", array($basedir)));
|
|
}
|
|
|
|
$extractDir .= '/' . $info['id'];
|
|
OC_Helper::copyr($extractDir, $basedir);
|
|
|
|
//remove temporary files
|
|
OC_Helper::rmdirr($extractDir);
|
|
|
|
//install the database
|
|
if(is_file($basedir.'/appinfo/database.xml')) {
|
|
if (OC_Appconfig::getValue($info['id'], 'installed_version') === null) {
|
|
OC_DB::createDbFromStructure($basedir.'/appinfo/database.xml');
|
|
} else {
|
|
OC_DB::updateDbFromStructure($basedir.'/appinfo/database.xml');
|
|
}
|
|
}
|
|
|
|
//run appinfo/install.php
|
|
if((!isset($data['noinstall']) or $data['noinstall']==false) and file_exists($basedir.'/appinfo/install.php')) {
|
|
include $basedir.'/appinfo/install.php';
|
|
}
|
|
|
|
//set the installed version
|
|
OC_Appconfig::setValue($info['id'], 'installed_version', OC_App::getAppVersion($info['id']));
|
|
OC_Appconfig::setValue($info['id'], 'enabled', 'no');
|
|
|
|
//set remote/public handelers
|
|
foreach($info['remote'] as $name=>$path) {
|
|
OCP\CONFIG::setAppValue('core', 'remote_'.$name, $info['id'].'/'.$path);
|
|
}
|
|
foreach($info['public'] as $name=>$path) {
|
|
OCP\CONFIG::setAppValue('core', 'public_'.$name, $info['id'].'/'.$path);
|
|
}
|
|
|
|
OC_App::setAppTypes($info['id']);
|
|
|
|
return $info['id'];
|
|
}
|
|
|
|
/**
|
|
* @brief checks whether or not an app is installed
|
|
* @param string $app app
|
|
* @returns bool
|
|
*
|
|
* Checks whether or not an app is installed, i.e. registered in apps table.
|
|
*/
|
|
public static function isInstalled( $app ) {
|
|
return (OC_Appconfig::getValue($app, "installed_version") !== null);
|
|
}
|
|
|
|
/**
|
|
* @brief Update an application
|
|
* @param array $info
|
|
* @param bool $isShipped
|
|
*
|
|
* This function could work like described below, but currently it disables and then
|
|
* enables the app again. This does result in an updated app.
|
|
*
|
|
*
|
|
* This function installs an app. All information needed are passed in the
|
|
* associative array $info.
|
|
* The following keys are required:
|
|
* - source: string, can be "path" or "http"
|
|
*
|
|
* One of the following keys is required:
|
|
* - path: path to the file containing the app
|
|
* - href: link to the downloadable file containing the app
|
|
*
|
|
* The following keys are optional:
|
|
* - pretend: boolean, if set true the system won't do anything
|
|
* - noupgrade: boolean, if true appinfo/upgrade.php won't be loaded
|
|
*
|
|
* This function works as follows
|
|
* -# fetching the file
|
|
* -# removing the old files
|
|
* -# unzipping new file
|
|
* -# including appinfo/upgrade.php
|
|
* -# setting the installed version
|
|
*
|
|
* upgrade.php can determine the current installed version of the app using
|
|
* "OC_Appconfig::getValue($appid, 'installed_version')"
|
|
*/
|
|
public static function updateApp( $info=array(), $isShipped=false) {
|
|
list($extractDir, $path) = self::downloadApp($info);
|
|
$info = self::checkAppsIntegrity($info, $extractDir, $path, $isShipped);
|
|
|
|
$currentDir = OC_App::getAppPath($info['id']);
|
|
$basedir = OC_App::getInstallPath();
|
|
$basedir .= '/';
|
|
$basedir .= $info['id'];
|
|
|
|
if($currentDir !== false && is_writable($currentDir)) {
|
|
$basedir = $currentDir;
|
|
}
|
|
if(is_dir($basedir)) {
|
|
OC_Helper::rmdirr($basedir);
|
|
}
|
|
|
|
$appInExtractDir = $extractDir;
|
|
if (substr($extractDir, -1) !== '/') {
|
|
$appInExtractDir .= '/';
|
|
}
|
|
|
|
$appInExtractDir .= $info['id'];
|
|
OC_Helper::copyr($appInExtractDir, $basedir);
|
|
OC_Helper::rmdirr($extractDir);
|
|
|
|
return OC_App::updateApp($info['id']);
|
|
}
|
|
|
|
/**
|
|
* update an app by it's id
|
|
* @param integer $ocsid
|
|
* @param bool $isShipped
|
|
* @return bool
|
|
* @throws Exception
|
|
*/
|
|
public static function updateAppByOCSId($ocsid, $isShipped=false) {
|
|
$appdata = OC_OCSClient::getApplication($ocsid);
|
|
$download = OC_OCSClient::getApplicationDownload($ocsid, 1);
|
|
|
|
if (isset($download['downloadlink']) && trim($download['downloadlink']) !== '') {
|
|
$download['downloadlink'] = str_replace(' ', '%20', $download['downloadlink']);
|
|
$info = array(
|
|
'source' => 'http',
|
|
'href' => $download['downloadlink'],
|
|
'appdata' => $appdata
|
|
);
|
|
} else {
|
|
throw new \Exception('Could not fetch app info!');
|
|
}
|
|
|
|
return self::updateApp($info);
|
|
}
|
|
|
|
/**
|
|
* @param array $data
|
|
* @return array
|
|
* @throws Exception
|
|
*/
|
|
public static function downloadApp($data = array()) {
|
|
$l = \OC_L10N::get('lib');
|
|
|
|
if(!isset($data['source'])) {
|
|
throw new \Exception($l->t("No source specified when installing app"));
|
|
}
|
|
|
|
//download the file if necessary
|
|
if($data['source']=='http') {
|
|
$pathInfo = pathinfo($data['href']);
|
|
$path=OC_Helper::tmpFile('.' . $pathInfo['extension']);
|
|
if(!isset($data['href'])) {
|
|
throw new \Exception($l->t("No href specified when installing app from http"));
|
|
}
|
|
copy($data['href'], $path);
|
|
}else{
|
|
if(!isset($data['path'])) {
|
|
throw new \Exception($l->t("No path specified when installing app from local file"));
|
|
}
|
|
$path=$data['path'];
|
|
}
|
|
|
|
//detect the archive type
|
|
$mime=OC_Helper::getMimeType($path);
|
|
if ($mime !=='application/zip' && $mime !== 'application/x-gzip') {
|
|
throw new \Exception($l->t("Archives of type %s are not supported", array($mime)));
|
|
}
|
|
|
|
//extract the archive in a temporary folder
|
|
$extractDir=OC_Helper::tmpFolder();
|
|
OC_Helper::rmdirr($extractDir);
|
|
mkdir($extractDir);
|
|
if($archive=OC_Archive::open($path)) {
|
|
$archive->extract($extractDir);
|
|
} else {
|
|
OC_Helper::rmdirr($extractDir);
|
|
if($data['source']=='http') {
|
|
unlink($path);
|
|
}
|
|
throw new \Exception($l->t("Failed to open archive when installing app"));
|
|
}
|
|
|
|
return array(
|
|
$extractDir,
|
|
$path
|
|
);
|
|
}
|
|
|
|
/**
|
|
* check an app's integrity
|
|
* @param array $data
|
|
* @param string $extractDir
|
|
* @param bool $isShipped
|
|
* @return array
|
|
* @throws \Exception
|
|
*/
|
|
public static function checkAppsIntegrity($data = array(), $extractDir, $path, $isShipped=false) {
|
|
$l = \OC_L10N::get('lib');
|
|
//load the info.xml file of the app
|
|
if(!is_file($extractDir.'/appinfo/info.xml')) {
|
|
//try to find it in a subdir
|
|
$dh=opendir($extractDir);
|
|
if(is_resource($dh)) {
|
|
while (($folder = readdir($dh)) !== false) {
|
|
if($folder[0]!='.' and is_dir($extractDir.'/'.$folder)) {
|
|
if(is_file($extractDir.'/'.$folder.'/appinfo/info.xml')) {
|
|
$extractDir.='/'.$folder;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(!is_file($extractDir.'/appinfo/info.xml')) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
if($data['source']=='http') {
|
|
unlink($path);
|
|
}
|
|
throw new \Exception($l->t("App does not provide an info.xml file"));
|
|
}
|
|
$info=OC_App::getAppInfo($extractDir.'/appinfo/info.xml', true);
|
|
// check the code for not allowed calls
|
|
if(!$isShipped && !OC_Installer::checkCode($info['id'], $extractDir)) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
throw new \Exception($l->t("App can't be installed because of not allowed code in the App"));
|
|
}
|
|
|
|
// check if the app is compatible with this version of ownCloud
|
|
if(!OC_App::isAppCompatible(OC_Util::getVersion(), $info)) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
throw new \Exception($l->t("App can't be installed because it is not compatible with this version of ownCloud"));
|
|
}
|
|
|
|
// check if shipped tag is set which is only allowed for apps that are shipped with ownCloud
|
|
if(!$isShipped && isset($info['shipped']) && ($info['shipped']=='true')) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
throw new \Exception($l->t("App can't be installed because it contains the <shipped>true</shipped> tag which is not allowed for non shipped apps"));
|
|
}
|
|
|
|
// check if the ocs version is the same as the version in info.xml/version
|
|
$versionFile= $extractDir.'/appinfo/version';
|
|
if(is_file($versionFile)) {
|
|
$version = trim(file_get_contents($versionFile));
|
|
}else{
|
|
$version = trim($info['version']);
|
|
}
|
|
|
|
if(isset($data['appdata']['version']) && $version<>trim($data['appdata']['version'])) {
|
|
OC_Helper::rmdirr($extractDir);
|
|
throw new \Exception($l->t("App can't be installed because the version in info.xml/version is not the same as the version reported from the app store"));
|
|
}
|
|
|
|
return $info;
|
|
}
|
|
|
|
/**
|
|
* Check if an update for the app is available
|
|
* @param string $app
|
|
* @return string|false false or the version number of the update
|
|
*
|
|
* The function will check if an update for a version is available
|
|
*/
|
|
public static function isUpdateAvailable( $app ) {
|
|
static $isInstanceReadyForUpdates = null;
|
|
|
|
if ($isInstanceReadyForUpdates === null) {
|
|
$installPath = OC_App::getInstallPath();
|
|
if ($installPath === false || $installPath === null) {
|
|
$isInstanceReadyForUpdates = false;
|
|
} else {
|
|
$isInstanceReadyForUpdates = true;
|
|
}
|
|
}
|
|
|
|
if ($isInstanceReadyForUpdates === false) {
|
|
return false;
|
|
}
|
|
|
|
$ocsid=OC_Appconfig::getValue( $app, 'ocsid', '');
|
|
|
|
if($ocsid<>'') {
|
|
|
|
$ocsdata=OC_OCSClient::getApplication($ocsid);
|
|
$ocsversion= (string) $ocsdata['version'];
|
|
$currentversion=OC_App::getAppVersion($app);
|
|
if (version_compare($ocsversion, $currentversion, '>')) {
|
|
return($ocsversion);
|
|
}else{
|
|
return false;
|
|
}
|
|
|
|
}else{
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Check if app is already downloaded
|
|
* @param string $name name of the application to remove
|
|
* @return boolean
|
|
*
|
|
* The function will check if the app is already downloaded in the apps repository
|
|
*/
|
|
public static function isDownloaded( $name ) {
|
|
foreach(OC::$APPSROOTS as $dir) {
|
|
$dirToTest = $dir['path'];
|
|
$dirToTest .= '/';
|
|
$dirToTest .= $name;
|
|
$dirToTest .= '/';
|
|
|
|
if (is_dir($dirToTest)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Removes an app
|
|
* @param string $name name of the application to remove
|
|
* @param array $options options
|
|
* @return boolean
|
|
*
|
|
* 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/remove.php
|
|
* -# 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, $options = array()) {
|
|
|
|
if(isset($options['keeppreferences']) and $options['keeppreferences']==false ) {
|
|
// todo
|
|
// remove preferences
|
|
}
|
|
|
|
if(isset($options['keepappconfig']) and $options['keepappconfig']==false ) {
|
|
// todo
|
|
// remove app config
|
|
}
|
|
|
|
if(isset($options['keeptables']) and $options['keeptables']==false ) {
|
|
// todo
|
|
// remove app database tables
|
|
}
|
|
|
|
if(isset($options['keepfiles']) and $options['keepfiles']==false ) {
|
|
// todo
|
|
// remove user files
|
|
}
|
|
|
|
if(OC_Installer::isDownloaded( $name )) {
|
|
$appdir=OC_App::getInstallPath().'/'.$name;
|
|
OC_Helper::rmdirr($appdir);
|
|
|
|
return true;
|
|
}else{
|
|
OC_Log::write('core', 'can\'t remove app '.$name.'. It is not installed.', OC_Log::ERROR);
|
|
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Installs shipped apps
|
|
*
|
|
* This function installs all apps found in the 'apps' directory that should be enabled by default;
|
|
*/
|
|
public static function installShippedApps() {
|
|
foreach(OC::$APPSROOTS as $app_dir) {
|
|
if($dir = opendir( $app_dir['path'] )) {
|
|
while( false !== ( $filename = readdir( $dir ))) {
|
|
if( substr( $filename, 0, 1 ) != '.' and is_dir($app_dir['path']."/$filename") ) {
|
|
if( file_exists( $app_dir['path']."/$filename/appinfo/app.php" )) {
|
|
if(!OC_Installer::isInstalled($filename)) {
|
|
$info=OC_App::getAppInfo($filename);
|
|
$enabled = isset($info['default_enable']);
|
|
if( $enabled ) {
|
|
OC_Installer::installShippedApp($filename);
|
|
OC_Appconfig::setValue($filename, 'enabled', 'yes');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
closedir( $dir );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* install an app already placed in the app folder
|
|
* @param string $app id of the app to install
|
|
* @return integer
|
|
*/
|
|
public static function installShippedApp($app) {
|
|
//install the database
|
|
if(is_file(OC_App::getAppPath($app)."/appinfo/database.xml")) {
|
|
OC_DB::createDbFromStructure(OC_App::getAppPath($app)."/appinfo/database.xml");
|
|
}
|
|
|
|
//run appinfo/install.php
|
|
if(is_file(OC_App::getAppPath($app)."/appinfo/install.php")) {
|
|
include OC_App::getAppPath($app)."/appinfo/install.php";
|
|
}
|
|
$info=OC_App::getAppInfo($app);
|
|
if (is_null($info)) {
|
|
return false;
|
|
}
|
|
OC_Appconfig::setValue($app, 'installed_version', OC_App::getAppVersion($app));
|
|
if (array_key_exists('ocsid', $info)) {
|
|
OC_Appconfig::setValue($app, 'ocsid', $info['ocsid']);
|
|
}
|
|
|
|
//set remote/public handelers
|
|
foreach($info['remote'] as $name=>$path) {
|
|
OCP\CONFIG::setAppValue('core', 'remote_'.$name, $app.'/'.$path);
|
|
}
|
|
foreach($info['public'] as $name=>$path) {
|
|
OCP\CONFIG::setAppValue('core', 'public_'.$name, $app.'/'.$path);
|
|
}
|
|
|
|
OC_App::setAppTypes($info['id']);
|
|
|
|
return $info['id'];
|
|
}
|
|
|
|
/**
|
|
* check the code of an app with some static code checks
|
|
* @param string $folder the folder of the app to check
|
|
* @return boolean true for app is o.k. and false for app is not o.k.
|
|
*/
|
|
public static function checkCode($appname, $folder) {
|
|
$blacklist=array(
|
|
'exec(',
|
|
'eval(',
|
|
// more evil pattern will go here later
|
|
|
|
// classes replaced by the public api
|
|
'OC_API::',
|
|
'OC_App::',
|
|
'OC_AppConfig::',
|
|
'OC_Avatar',
|
|
'OC_BackgroundJob::',
|
|
'OC_Config::',
|
|
'OC_DB::',
|
|
'OC_Files::',
|
|
'OC_Helper::',
|
|
'OC_Hook::',
|
|
'OC_Image::',
|
|
'OC_JSON::',
|
|
'OC_L10N::',
|
|
'OC_Log::',
|
|
'OC_Mail::',
|
|
'OC_Preferences::',
|
|
'OC_Request::',
|
|
'OC_Response::',
|
|
'OC_Template::',
|
|
'OC_User::',
|
|
'OC_Util::',
|
|
);
|
|
|
|
// is the code checker enabled?
|
|
if(OC_Config::getValue('appcodechecker', true)) {
|
|
// check if grep is installed
|
|
$grep = exec('command -v grep');
|
|
if($grep=='') {
|
|
OC_Log::write('core',
|
|
'grep not installed. So checking the code of the app "'.$appname.'" was not possible',
|
|
OC_Log::ERROR);
|
|
return true;
|
|
}
|
|
|
|
// iterate the bad patterns
|
|
foreach($blacklist as $bl) {
|
|
$cmd = 'grep -ri '.escapeshellarg($bl).' '.$folder.'';
|
|
$result = exec($cmd);
|
|
// bad pattern found
|
|
if($result<>'') {
|
|
OC_Log::write('core',
|
|
'App "'.$appname.'" is using a not allowed call "'.$bl.'". Installation refused.',
|
|
OC_Log::ERROR);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
|
|
}else{
|
|
return true;
|
|
}
|
|
}
|
|
}
|