. * */ /** * 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 $activeapp = ''; static private $navigation = array(); static private $settingsForms = array(); static private $adminForms = array(); static private $personalForms = array(); static private $appInfo = array(); static private $appTypes = array(); static private $loadedApps = array(); static private $checkedApps = array(); /** * @brief loads all apps * @param array $types * @return bool * * 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. * * if $types is set, only apps of those types will be loaded */ public static function loadApps($types=null) { // Load the enabled apps here $apps = self::getEnabledApps(); // prevent app.php from printing output ob_start(); foreach( $apps as $app ) { if((is_null($types) or self::isType($app, $types)) && !in_array($app, self::$loadedApps)) { self::loadApp($app); self::$loadedApps[] = $app; } } ob_end_clean(); if (!defined('DEBUG') || !DEBUG) { if (is_null($types) && empty(OC_Util::$core_scripts) && empty(OC_Util::$core_styles)) { OC_Util::$core_scripts = OC_Util::$scripts; OC_Util::$scripts = array(); OC_Util::$core_styles = OC_Util::$styles; OC_Util::$styles = array(); } } // return return true; } /** * load a single app * @param string $app */ public static function loadApp($app) { if(is_file(self::getAppPath($app).'/appinfo/app.php')) { self::checkUpgrade($app); require_once $app.'/appinfo/app.php'; } } /** * check if an app is of a specific type * @param string $app * @param string/array $types * @return bool */ public static function isType($app, $types) { if(is_string($types)) { $types=array($types); } $appTypes=self::getAppTypes($app); foreach($types as $type) { if(array_search($type, $appTypes)!==false) { return true; } } return false; } /** * get the types of an app * @param string $app * @return array */ private static function getAppTypes($app) { //load the cache if(count(self::$appTypes)==0) { self::$appTypes=OC_Appconfig::getValues(false, 'types'); } if(isset(self::$appTypes[$app])) { return explode(',', self::$appTypes[$app]); }else{ return array(); } } /** * read app types from info.xml and cache them in the database */ public static function setAppTypes($app) { $appData=self::getAppInfo($app); if(isset($appData['types'])) { $appTypes=implode(',', $appData['types']); }else{ $appTypes=''; } OC_Appconfig::setValue($app, 'types', $appTypes); } /** * check if app is shipped * @param string $appid the id of the app to check * @return bool */ public static function isShipped($appid){ $info = self::getAppInfo($appid); if(isset($info['shipped']) && $info['shipped']=='true'){ return true; } else { return false; } } /** * get all enabled apps */ public static function getEnabledApps() { if(!OC_Config::getValue('installed', false)) return array(); $apps=array('files'); $query = OC_DB::prepare( 'SELECT `appid` FROM `*PREFIX*appconfig` WHERE `configkey` = \'enabled\' AND `configvalue`=\'yes\'' ); $result=$query->execute(); while($row=$result->fetchRow()) { if(array_search($row['appid'], $apps)===false) { $apps[]=$row['appid']; } } return $apps; } /** * @brief checks whether or not an app is enabled * @param string $app app * @return bool * * This function checks whether or not an app is enabled. */ public static function isEnabled( $app ) { if( 'files'==$app or 'yes' == OC_Appconfig::getValue( $app, 'enabled' )) { return true; } return false; } /** * @brief enables an app * @param mixed $app app * @return bool * * This function set an app as enabled in appconfig. */ public static function enable( $app ) { if(!OC_Installer::isInstalled($app)) { // check if app is a shipped app or not. OCS apps have an integer as id, shipped apps use a string if(!is_numeric($app)) { $app = OC_Installer::installShippedApp($app); }else{ $download=OC_OCSClient::getApplicationDownload($app, 1); if(isset($download['downloadlink']) and $download['downloadlink']!='') { $app=OC_Installer::installApp(array('source'=>'http', 'href'=>$download['downloadlink'])); } } } if($app!==false) { // check if the app is compatible with this version of ownCloud $info=OC_App::getAppInfo($app); $version=OC_Util::getVersion(); if(!isset($info['require']) or ($version[0]>$info['require'])) { OC_Log::write('core', 'App "'.$info['name'].'" can\'t be installed because it is not compatible with this version of ownCloud', OC_Log::ERROR); return false; }else{ OC_Appconfig::setValue( $app, 'enabled', 'yes' ); return true; } }else{ return false; } } /** * @brief disables an app * @param string $app app * @return bool * * This function set an app as disabled in appconfig. */ public static function disable( $app ) { // check if app is a shiped app or not. if not delete OC_Appconfig::setValue( $app, 'enabled', 'no' ); } /** * @brief adds an entry to the navigation * @param string $data array containing the data * @return bool * * 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 ) { $data['active']=false; if(!isset($data['icon'])) { $data['icon']=''; } OC_App::$navigation[] = $data; return true; } /** * @brief marks a navigation entry as active * @param string $id id of the entry * @return bool * * 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( $id ) { // load all the apps, to make sure we have all the navigation entries self::loadApps(); self::$activeapp = $id; return true; } /** * @brief gets the active Menu entry * @return string id or empty string * * This function returns the id of the active navigation entry (set by * setActiveNavigationEntry */ public static function getActiveNavigationEntry() { return self::$activeapp; } /** * @brief Returns the Settings Navigation * @return array * * This function returns an array containing all settings pages added. The * entries are sorted by the key 'order' ascending. */ public static function getSettingsNavigation() { $l=OC_L10N::get('lib'); $settings = array(); // by default, settings only contain the help menu if(OC_Config::getValue('knowledgebaseenabled', true)==true) { $settings = array( array( "id" => "help", "order" => 1000, "href" => OC_Helper::linkToRoute( "settings_help" ), "name" => $l->t("Help"), "icon" => OC_Helper::imagePath( "settings", "help.svg" )) ); } // if the user is logged-in if (OC_User::isLoggedIn()) { // personal menu $settings[] = array( "id" => "personal", "order" => 1, "href" => OC_Helper::linkToRoute( "settings_personal" ), "name" => $l->t("Personal"), "icon" => OC_Helper::imagePath( "settings", "personal.svg" )); // if there are some settings forms if(!empty(self::$settingsForms)) // settings menu $settings[]=array( "id" => "settings", "order" => 1000, "href" => OC_Helper::linkToRoute( "settings_settings" ), "name" => $l->t("Settings"), "icon" => OC_Helper::imagePath( "settings", "settings.svg" )); //SubAdmins are also allowed to access user management if(OC_SubAdmin::isSubAdmin(OC_User::getUser())) { // admin users menu $settings[] = array( "id" => "core_users", "order" => 2, "href" => OC_Helper::linkToRoute( "settings_users" ), "name" => $l->t("Users"), "icon" => OC_Helper::imagePath( "settings", "users.svg" )); } // if the user is an admin if(OC_User::isAdminUser(OC_User::getUser())) { // admin apps menu $settings[] = array( "id" => "core_apps", "order" => 3, "href" => OC_Helper::linkToRoute( "settings_apps" ).'?installed', "name" => $l->t("Apps"), "icon" => OC_Helper::imagePath( "settings", "apps.svg" )); $settings[]=array( "id" => "admin", "order" => 1000, "href" => OC_Helper::linkToRoute( "settings_admin" ), "name" => $l->t("Admin"), "icon" => OC_Helper::imagePath( "settings", "admin.svg" )); } } $navigation = self::proceedNavigation($settings); return $navigation; } /// This is private as well. It simply works, so don't ask for more details private static function proceedNavigation( $list ) { foreach( $list as &$naventry ) { if( $naventry['id'] == self::$activeapp ) { $naventry['active'] = true; } else{ $naventry['active'] = false; } } unset( $naventry ); usort( $list, create_function( '$a, $b', 'if( $a["order"] == $b["order"] ) {return 0;}elseif( $a["order"] < $b["order"] ) {return -1;}else{return 1;}' )); return $list; } /** * Get the path where to install apps */ public static function getInstallPath() { if(OC_Config::getValue('appstoreenabled', true)==false) { return false; } foreach(OC::$APPSROOTS as $dir) { if(isset($dir['writable']) && $dir['writable']===true) return $dir['path']; } OC_Log::write('core', 'No application directories are marked as writable.', OC_Log::ERROR); return null; } protected static function findAppInDirectories($appid) { static $app_dir = array(); if (isset($app_dir[$appid])) { return $app_dir[$appid]; } foreach(OC::$APPSROOTS as $dir) { if(file_exists($dir['path'].'/'.$appid)) { return $app_dir[$appid]=$dir; } } return false; } /** * Get the directory for the given app. * If the app is defined in multiple directory, the first one is taken. (false if not found) */ public static function getAppPath($appid) { if( ($dir = self::findAppInDirectories($appid)) != false) { return $dir['path'].'/'.$appid; } return false; } /** * Get the path for the given app on the access * If the app is defined in multiple directory, the first one is taken. (false if not found) */ public static function getAppWebPath($appid) { if( ($dir = self::findAppInDirectories($appid)) != false) { return OC::$WEBROOT.$dir['url'].'/'.$appid; } return false; } /** * get the last version of the app, either from appinfo/version or from appinfo/info.xml */ public static function getAppVersion($appid) { $file= self::getAppPath($appid).'/appinfo/version'; if(is_file($file) && $version = trim(file_get_contents($file))) { return $version; }else{ $appData=self::getAppInfo($appid); return isset($appData['version'])? $appData['version'] : ''; } } /** * @brief Read all app metadata from the info.xml file * @param string $appid id of the app or the path of the info.xml file * @param boolean $path (optional) * @return array * @note all data is read from info.xml, not just pre-defined fields */ public static function getAppInfo($appid, $path=false) { if($path) { $file=$appid; }else{ if(isset(self::$appInfo[$appid])) { return self::$appInfo[$appid]; } $file= self::getAppPath($appid).'/appinfo/info.xml'; } $data=array(); $content=@file_get_contents($file); if(!$content) { return null; } $xml = new SimpleXMLElement($content); $data['info']=array(); $data['remote']=array(); $data['public']=array(); foreach($xml->children() as $child) { /** * @var $child SimpleXMLElement */ if($child->getName()=='remote') { foreach($child->children() as $remote) { /** * @var $remote SimpleXMLElement */ $data['remote'][$remote->getName()]=(string)$remote; } }elseif($child->getName()=='public') { foreach($child->children() as $public) { /** * @var $public SimpleXMLElement */ $data['public'][$public->getName()]=(string)$public; } }elseif($child->getName()=='types') { $data['types']=array(); foreach($child->children() as $type) { /** * @var $type SimpleXMLElement */ $data['types'][]=$type->getName(); } }elseif($child->getName()=='description') { $xml=(string)$child->asXML(); $data[$child->getName()]=substr($xml, 13, -14);//script tags }else{ $data[$child->getName()]=(string)$child; } } self::$appInfo[$appid]=$data; return $data; } /** * @brief Returns the navigation * @return 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 */ public static function getNavigation() { $navigation = self::proceedNavigation( self::$navigation ); return $navigation; } /** * get the id of loaded app * @return string */ public static function getCurrentApp() { $script=substr($_SERVER["SCRIPT_NAME"], strlen(OC::$WEBROOT)+1); $topFolder=substr($script, 0, strpos($script, '/')); if (empty($topFolder)) { $path_info = OC_Request::getPathInfo(); if ($path_info) { $topFolder=substr($path_info, 1, strpos($path_info, '/', 1)-1); } } if($topFolder=='apps') { $length=strlen($topFolder); return substr($script, $length+1, strpos($script, '/', $length+1)-$length-1); }else{ return $topFolder; } } /** * get the forms for either settings, admin or personal */ public static function getForms($type) { $forms=array(); switch($type) { case 'settings': $source=self::$settingsForms; break; case 'admin': $source=self::$adminForms; break; case 'personal': $source=self::$personalForms; break; default: return array(); } foreach($source as $form) { $forms[]=include $form; } return $forms; } /** * register a settings form to be shown */ public static function registerSettings($app, $page) { self::$settingsForms[]= $app.'/'.$page.'.php'; } /** * register an admin form to be shown */ public static function registerAdmin($app, $page) { self::$adminForms[]= $app.'/'.$page.'.php'; } /** * register a personal form to be shown */ public static function registerPersonal($app, $page) { self::$personalForms[]= $app.'/'.$page.'.php'; } /** * @brief: get a list of all apps in the apps folder * @return array or app names (string IDs) * @todo: change the name of this method to getInstalledApps, which is more accurate */ public static function getAllApps() { $apps=array(); foreach ( OC::$APPSROOTS as $apps_dir ) { if(! is_readable($apps_dir['path'])) { OC_Log::write('core', 'unable to read app folder : ' .$apps_dir['path'], OC_Log::WARN); continue; } $dh = opendir( $apps_dir['path'] ); while( $file = readdir( $dh ) ) { if ($file[0] != '.' and is_file($apps_dir['path'].'/'.$file.'/appinfo/app.php')) { $apps[] = $file; } } } return $apps; } /** * @brief: get a list of all apps on apps.owncloud.com * @return array, multi-dimensional array of apps. Keys: id, name, type, typename, personid, license, detailpage, preview, changed, description */ public static function getAppstoreApps( $filter = 'approved' ) { $catagoryNames = OC_OCSClient::getCategories(); if ( is_array( $catagoryNames ) ) { // Check that categories of apps were retrieved correctly if ( ! $categories = array_keys( $catagoryNames ) ) { return false; } $page = 0; $remoteApps = OC_OCSClient::getApplications( $categories, $page, $filter ); $app1 = array(); $i = 0; foreach ( $remoteApps as $app ) { $app1[$i] = $app; $app1[$i]['author'] = $app['personid']; $app1[$i]['ocs_id'] = $app['id']; $app1[$i]['internal'] = $app1[$i]['active'] = 0; // rating img if($app['score']>=0 and $app['score']<5) $img=OC_Helper::imagePath( "core", "rating/s1.png" ); elseif($app['score']>=5 and $app['score']<15) $img=OC_Helper::imagePath( "core", "rating/s2.png" ); elseif($app['score']>=15 and $app['score']<25) $img=OC_Helper::imagePath( "core", "rating/s3.png" ); elseif($app['score']>=25 and $app['score']<35) $img=OC_Helper::imagePath( "core", "rating/s4.png" ); elseif($app['score']>=35 and $app['score']<45) $img=OC_Helper::imagePath( "core", "rating/s5.png" ); elseif($app['score']>=45 and $app['score']<55) $img=OC_Helper::imagePath( "core", "rating/s6.png" ); elseif($app['score']>=55 and $app['score']<65) $img=OC_Helper::imagePath( "core", "rating/s7.png" ); elseif($app['score']>=65 and $app['score']<75) $img=OC_Helper::imagePath( "core", "rating/s8.png" ); elseif($app['score']>=75 and $app['score']<85) $img=OC_Helper::imagePath( "core", "rating/s9.png" ); elseif($app['score']>=85 and $app['score']<95) $img=OC_Helper::imagePath( "core", "rating/s10.png" ); elseif($app['score']>=95 and $app['score']<100) $img=OC_Helper::imagePath( "core", "rating/s11.png" ); $app1[$i]['score'] = ' Score: '.$app['score'].'%'; $i++; } } if ( empty( $app1 ) ) { return false; } else { return $app1; } } /** * check if the app need updating and update when needed */ public static function checkUpgrade($app) { if (in_array($app, self::$checkedApps)) { return; } self::$checkedApps[] = $app; $versions = self::getAppVersions(); $currentVersion=OC_App::getAppVersion($app); if ($currentVersion) { $installedVersion = $versions[$app]; if (version_compare($currentVersion, $installedVersion, '>')) { $info = self::getAppInfo($app); OC_Log::write($app, 'starting app upgrade from '.$installedVersion.' to '.$currentVersion, OC_Log::DEBUG); try { OC_App::updateApp($app); OC_Hook::emit('update', 'success', 'Updated '.$info['name'].' app'); } catch (Exception $e) { echo 'Failed to upgrade "'.$app.'". Exception="'.$e->getMessage().'"'; OC_Hook::emit('update', 'failure', 'Failed to update '.$info['name'].' app: '.$e->getMessage()); die; } OC_Appconfig::setValue($app, 'installed_version', OC_App::getAppVersion($app)); } } } /** * check if the current enabled apps are compatible with the current * ownCloud version. disable them if not. * This is important if you upgrade ownCloud and have non ported 3rd * party apps installed. */ public static function checkAppsRequirements($apps = array()) { if (empty($apps)) { $apps = OC_App::getEnabledApps(); } $version = OC_Util::getVersion(); foreach($apps as $app) { // check if the app is compatible with this version of ownCloud $info = OC_App::getAppInfo($app); if(!isset($info['require']) or (($version[0].'.'.$version[1])>$info['require'])) { OC_Log::write('core', 'App "'.$info['name'].'" ('.$app.') can\'t be used because it is not compatible with this version of ownCloud', OC_Log::ERROR); OC_App::disable( $app ); OC_Hook::emit('update', 'success', 'Disabled '.$info['name'].' app because it is not compatible'); } } } /** * get the installed version of all apps */ public static function getAppVersions() { static $versions; if (isset($versions)) { // simple cache, needs to be fixed return $versions; // when function is used besides in checkUpgrade } $versions=array(); $query = OC_DB::prepare( 'SELECT `appid`, `configvalue` FROM `*PREFIX*appconfig` WHERE `configkey` = \'installed_version\'' ); $result = $query->execute(); while($row = $result->fetchRow()) { $versions[$row['appid']]=$row['configvalue']; } return $versions; } /** * update the database for the app and call the update script * @param string $appid */ public static function updateApp($appid) { if(file_exists(self::getAppPath($appid).'/appinfo/preupdate.php')) { self::loadApp($appid); include self::getAppPath($appid).'/appinfo/preupdate.php'; } if(file_exists(self::getAppPath($appid).'/appinfo/database.xml')) { OC_DB::updateDbFromStructure(self::getAppPath($appid).'/appinfo/database.xml'); } if(!self::isEnabled($appid)) { return; } if(file_exists(self::getAppPath($appid).'/appinfo/update.php')) { self::loadApp($appid); include self::getAppPath($appid).'/appinfo/update.php'; } //set remote/public handlers $appData=self::getAppInfo($appid); foreach($appData['remote'] as $name=>$path) { OCP\CONFIG::setAppValue('core', 'remote_'.$name, $appid.'/'.$path); } foreach($appData['public'] as $name=>$path) { OCP\CONFIG::setAppValue('core', 'public_'.$name, $appid.'/'.$path); } self::setAppTypes($appid); } /** * @param string $appid * @return OC_FilesystemView */ public static function getStorage($appid) { if(OC_App::isEnabled($appid)) {//sanity check if(OC_User::isLoggedIn()) { $view = new OC_FilesystemView('/'.OC_User::getUser()); if(!$view->file_exists($appid)) { $view->mkdir($appid); } return new OC_FilesystemView('/'.OC_User::getUser().'/'.$appid); }else{ OC_Log::write('core', 'Can\'t get app storage, app '.$appid.', user not logged in', OC_Log::ERROR); return false; } }else{ OC_Log::write('core', 'Can\'t get app storage, app '.$appid.' not enabled', OC_Log::ERROR); return false; } } } ble28 Nextcloud server, a safe home for all your data: https://github.com/nextcloud/serverwww-data
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