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<?php
declare(strict_types=1);
/**
* SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
use OC\App\DependencyAnalyzer;
use OC\App\Platform;
use OC\AppFramework\Bootstrap\Coordinator;
use OC\DB\MigrationService;
use OC\Installer;
use OC\Repair;
use OC\Repair\Events\RepairErrorEvent;
use OCP\App\Events\AppUpdateEvent;
use OCP\App\IAppManager;
use OCP\App\ManagerEvent;
use OCP\Authentication\IAlternativeLogin;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IAppConfig;
use OCP\Server;
use Psr\Container\ContainerExceptionInterface;
use Psr\Log\LoggerInterface;
use function OCP\Log\logger;
/**
* 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 {
private static $adminForms = [];
private static $personalForms = [];
private static $altLogin = [];
private static $alreadyRegistered = [];
public const supportedApp = 300;
public const officialApp = 200;
/**
* clean the appId
*
* @psalm-taint-escape file
* @psalm-taint-escape include
* @psalm-taint-escape html
* @psalm-taint-escape has_quotes
*
* @deprecated 31.0.0 use IAppManager::cleanAppId
*/
public static function cleanAppId(string $app): string {
return str_replace(['<', '>', '"', "'", '\0', '/', '\\', '..'], '', $app);
}
/**
* Check if an app is loaded
*
* @param string $app
* @return bool
* @deprecated 27.0.0 use IAppManager::isAppLoaded
*/
public static function isAppLoaded(string $app): bool {
return \OC::$server->get(IAppManager::class)->isAppLoaded($app);
}
/**
* loads all apps
*
* @param string[] $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/info.xml
* exists.
*
* if $types is set to non-empty array, only apps of those types will be loaded
*
* @deprecated 29.0.0 use IAppManager::loadApps instead
*/
public static function loadApps(array $types = []): bool {
if (!\OC::$server->getSystemConfig()->getValue('installed', false)) {
// This should be done before calling this method so that appmanager can be used
return false;
}
return \OC::$server->get(IAppManager::class)->loadApps($types);
}
/**
* load a single app
*
* @param string $app
* @throws Exception
* @deprecated 27.0.0 use IAppManager::loadApp
*/
public static function loadApp(string $app): void {
\OC::$server->get(IAppManager::class)->loadApp($app);
}
/**
* @internal
* @param string $app
* @param string $path
* @param bool $force
*/
public static function registerAutoloading(string $app, string $path, bool $force = false) {
$key = $app . '-' . $path;
if (!$force && isset(self::$alreadyRegistered[$key])) {
return;
}
self::$alreadyRegistered[$key] = true;
// Register on PSR-4 composer autoloader
$appNamespace = \OC\AppFramework\App::buildAppNamespace($app);
\OC::$server->registerNamespace($app, $appNamespace);
if (file_exists($path . '/composer/autoload.php')) {
require_once $path . '/composer/autoload.php';
} else {
\OC::$composerAutoloader->addPsr4($appNamespace . '\\', $path . '/lib/', true);
}
// Register Test namespace only when testing
if (defined('PHPUNIT_RUN') || defined('CLI_TEST_RUN')) {
\OC::$composerAutoloader->addPsr4($appNamespace . '\\Tests\\', $path . '/tests/', true);
}
}
/**
* check if an app is of a specific type
*
* @param string $app
* @param array $types
* @return bool
* @deprecated 27.0.0 use IAppManager::isType
*/
public static function isType(string $app, array $types): bool {
return \OC::$server->get(IAppManager::class)->isType($app, $types);
}
/**
* read app types from info.xml and cache them in the database
*/
public static function setAppTypes(string $app) {
$appManager = \OC::$server->getAppManager();
$appData = $appManager->getAppInfo($app);
if (!is_array($appData)) {
return;
}
if (isset($appData['types'])) {
$appTypes = implode(',', $appData['types']);
} else {
$appTypes = '';
$appData['types'] = [];
}
$config = \OC::$server->getConfig();
$config->setAppValue($app, 'types', $appTypes);
if ($appManager->hasProtectedAppType($appData['types'])) {
$enabled = $config->getAppValue($app, 'enabled', 'yes');
if ($enabled !== 'yes' && $enabled !== 'no') {
$config->setAppValue($app, 'enabled', 'yes');
}
}
}
/**
* Returns apps enabled for the current user.
*
* @param bool $forceRefresh whether to refresh the cache
* @param bool $all whether to return apps for all users, not only the
* currently logged in one
* @return string[]
*/
public static function getEnabledApps(bool $forceRefresh = false, bool $all = false): array {
if (!\OC::$server->getSystemConfig()->getValue('installed', false)) {
return [];
}
// in incognito mode or when logged out, $user will be false,
// which is also the case during an upgrade
$appManager = \OC::$server->getAppManager();
if ($all) {
$user = null;
} else {
$user = \OC::$server->getUserSession()->getUser();
}
if (is_null($user)) {
$apps = $appManager->getInstalledApps();
} else {
$apps = $appManager->getEnabledAppsForUser($user);
}
$apps = array_filter($apps, function ($app) {
return $app !== 'files';//we add this manually
});
sort($apps);
array_unshift($apps, 'files');
return $apps;
}
/**
* enables an app
*
* @param string $appId
* @param array $groups (optional) when set, only these groups will have access to the app
* @throws \Exception
* @return void
*
* This function set an app as enabled in appconfig.
*/
public function enable(string $appId,
array $groups = []) {
// Check if app is already downloaded
/** @var Installer $installer */
$installer = \OCP\Server::get(Installer::class);
$isDownloaded = $installer->isDownloaded($appId);
if (!$isDownloaded) {
$installer->downloadApp($appId);
}
$installer->installApp($appId);
$appManager = \OC::$server->getAppManager();
if ($groups !== []) {
$groupManager = \OC::$server->getGroupManager();
$groupsList = [];
foreach ($groups as $group) {
$groupItem = $groupManager->get($group);
if ($groupItem instanceof \OCP\IGroup) {
$groupsList[] = $groupManager->get($group);
}
}
$appManager->enableAppForGroups($appId, $groupsList);
} else {
$appManager->enableApp($appId);
}
}
/**
* Get the path where to install apps
*/
public static function getInstallPath(): string|null {
foreach (OC::$APPSROOTS as $dir) {
if (isset($dir['writable']) && $dir['writable'] === true) {
return $dir['path'];
}
}
\OCP\Server::get(LoggerInterface::class)->error('No application directories are marked as writable.', ['app' => 'core']);
return null;
}
/**
* Find the apps root for an app id.
*
* If multiple copies are found, the apps root the latest version is returned.
*
* @param string $appId
* @param bool $ignoreCache ignore cache and rebuild it
* @return false|array{path: string, url: string} the apps root shape
*/
public static function findAppInDirectories(string $appId, bool $ignoreCache = false) {
$sanitizedAppId = self::cleanAppId($appId);
if ($sanitizedAppId !== $appId) {
return false;
}
static $app_dir = [];
if (isset($app_dir[$appId]) && !$ignoreCache) {
return $app_dir[$appId];
}
$possibleApps = [];
foreach (OC::$APPSROOTS as $dir) {
if (file_exists($dir['path'] . '/' . $appId)) {
$possibleApps[] = $dir;
}
}
if (empty($possibleApps)) {
return false;
} elseif (count($possibleApps) === 1) {
$dir = array_shift($possibleApps);
$app_dir[$appId] = $dir;
return $dir;
} else {
$versionToLoad = [];
foreach ($possibleApps as $possibleApp) {
$version = self::getAppVersionByPath($possibleApp['path'] . '/' . $appId);
if (empty($versionToLoad) || version_compare($version, $versionToLoad['version'], '>')) {
$versionToLoad = [
'dir' => $possibleApp,
'version' => $version,
];
}
}
$app_dir[$appId] = $versionToLoad['dir'];
return $versionToLoad['dir'];
//TODO - write test
}
}
/**
* Get the directory for the given app.
* If the app is defined in multiple directories, the first one is taken. (false if not found)
*
* @psalm-taint-specialize
*
* @param string $appId
* @param bool $refreshAppPath should be set to true only during install/upgrade
* @return string|false
* @deprecated 11.0.0 use \OCP\Server::get(IAppManager)->getAppPath()
*/
public static function getAppPath(string $appId, bool $refreshAppPath = false) {
if ($appId === null || trim($appId) === '') {
return false;
}
if (($dir = self::findAppInDirectories($appId, $refreshAppPath)) != false) {
return $dir['path'] . '/' . $appId;
}
return false;
}
/**
* Get the path for the given app on the access
* If the app is defined in multiple directories, the first one is taken. (false if not found)
*
* @param string $appId
* @return string|false
* @deprecated 18.0.0 use \OC::$server->getAppManager()->getAppWebPath()
*/
public static function getAppWebPath(string $appId) {
if (($dir = self::findAppInDirectories($appId)) != false) {
return OC::$WEBROOT . $dir['url'] . '/' . $appId;
}
return false;
}
/**
* get app's version based on it's path
*
* @param string $path
* @return string
*/
public static function getAppVersionByPath(string $path): string {
$infoFile = $path . '/appinfo/info.xml';
$appData = \OC::$server->getAppManager()->getAppInfo($infoFile, true);
return $appData['version'] ?? '';
}
/**
* get the id of loaded app
*
* @return string
*/
public static function getCurrentApp(): string {
if (\OC::$CLI) {
return '';
}
$request = \OC::$server->getRequest();
$script = substr($request->getScriptName(), strlen(OC::$WEBROOT) + 1);
$topFolder = substr($script, 0, strpos($script, '/') ?: 0);
if (empty($topFolder)) {
try {
$path_info = $request->getPathInfo();
} catch (Exception $e) {
// Can happen from unit tests because the script name is `./vendor/bin/phpunit` or something a like then.
\OC::$server->get(LoggerInterface::class)->error('Failed to detect current app from script path', ['exception' => $e]);
return '';
}
if ($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;
}
}
/**
* @param string $type
* @return array
*/
public static function getForms(string $type): array {
$forms = [];
switch ($type) {
case 'admin':
$source = self::$adminForms;
break;
case 'personal':
$source = self::$personalForms;
break;
default:
return [];
}
foreach ($source as $form) {
$forms[] = include $form;
}
return $forms;
}
/**
* @param array $entry
* @deprecated 20.0.0 Please register your alternative login option using the registerAlternativeLogin() on the RegistrationContext in your Application class implementing the OCP\Authentication\IAlternativeLogin interface
*/
public static function registerLogIn(array $entry) {
\OC::$server->getLogger()->debug('OC_App::registerLogIn() is deprecated, please register your alternative login option using the registerAlternativeLogin() on the RegistrationContext in your Application class implementing the OCP\Authentication\IAlternativeLogin interface');
self::$altLogin[] = $entry;
}
/**
* @return array
*/
public static function getAlternativeLogIns(): array {
/** @var Coordinator $bootstrapCoordinator */
$bootstrapCoordinator = \OCP\Server::get(Coordinator::class);
foreach ($bootstrapCoordinator->getRegistrationContext()->getAlternativeLogins() as $registration) {
if (!in_array(IAlternativeLogin::class, class_implements($registration->getService()), true)) {
\OC::$server->getLogger()->error('Alternative login option {option} does not implement {interface} and is therefore ignored.', [
'option' => $registration->getService(),
'interface' => IAlternativeLogin::class,
'app' => $registration->getAppId(),
]);
continue;
}
try {
/** @var IAlternativeLogin $provider */
$provider = \OCP\Server::get($registration->getService());
} catch (ContainerExceptionInterface $e) {
\OC::$server->getLogger()->logException($e, [
'message' => 'Alternative login option {option} can not be initialised.',
'option' => $registration->getService(),
'app' => $registration->getAppId(),
]);
}
try {
$provider->load();
self::$altLogin[] = [
'name' => $provider->getLabel(),
'href' => $provider->getLink(),
'class' => $provider->getClass(),
];
} catch (Throwable $e) {
\OC::$server->getLogger()->logException($e, [
'message' => 'Alternative login option {option} had an error while loading.',
'option' => $registration->getService(),
'app' => $registration->getAppId(),
]);
}
}
return self::$altLogin;
}
/**
* get a list of all apps in the apps folder
*
* @return string[] an array of app names (string IDs)
* @todo: change the name of this method to getInstalledApps, which is more accurate
*/
public static function getAllApps(): array {
$apps = [];
foreach (OC::$APPSROOTS as $apps_dir) {
if (!is_readable($apps_dir['path'])) {
\OCP\Server::get(LoggerInterface::class)->warning('unable to read app folder : ' . $apps_dir['path'], ['app' => 'core']);
continue;
}
$dh = opendir($apps_dir['path']);
if (is_resource($dh)) {
while (($file = readdir($dh)) !== false) {
if ($file[0] != '.' and is_dir($apps_dir['path'] . '/' . $file) and is_file($apps_dir['path'] . '/' . $file . '/appinfo/info.xml')) {
$apps[] = $file;
}
}
}
}
$apps = array_unique($apps);
return $apps;
}
/**
* List all supported apps
*
* @return array
*/
public function getSupportedApps(): array {
/** @var \OCP\Support\Subscription\IRegistry $subscriptionRegistry */
$subscriptionRegistry = \OCP\Server::get(\OCP\Support\Subscription\IRegistry::class);
$supportedApps = $subscriptionRegistry->delegateGetSupportedApps();
return $supportedApps;
}
/**
* List all apps, this is used in apps.php
*
* @return array
*/
public function listAllApps(): array {
$installedApps = OC_App::getAllApps();
$appManager = \OC::$server->getAppManager();
//we don't want to show configuration for these
$blacklist = $appManager->getAlwaysEnabledApps();
$appList = [];
$langCode = \OC::$server->getL10N('core')->getLanguageCode();
$urlGenerator = \OC::$server->getURLGenerator();
$supportedApps = $this->getSupportedApps();
foreach ($installedApps as $app) {
if (!in_array($app, $blacklist)) {
$info = $appManager->getAppInfo($app, false, $langCode);
if (!is_array($info)) {
\OCP\Server::get(LoggerInterface::class)->error('Could not read app info file for app "' . $app . '"', ['app' => 'core']);
continue;
}
if (!isset($info['name'])) {
\OCP\Server::get(LoggerInterface::class)->error('App id "' . $app . '" has no name in appinfo', ['app' => 'core']);
continue;
}
$enabled = \OC::$server->getConfig()->getAppValue($app, 'enabled', 'no');
$info['groups'] = null;
if ($enabled === 'yes') {
$active = true;
} elseif ($enabled === 'no') {
$active = false;
} else {
$active = true;
$info['groups'] = $enabled;
}
$info['active'] = $active;
if ($appManager->isShipped($app)) {
$info['internal'] = true;
$info['level'] = self::officialApp;
$info['removable'] = false;
} else {
$info['internal'] = false;
$info['removable'] = true;
}
if (in_array($app, $supportedApps)) {
$info['level'] = self::supportedApp;
}
$appPath = self::getAppPath($app);
if ($appPath !== false) {
$appIcon = $appPath . '/img/' . $app . '.svg';
if (file_exists($appIcon)) {
$info['preview'] = $urlGenerator->imagePath($app, $app . '.svg');
$info['previewAsIcon'] = true;
} else {
$appIcon = $appPath . '/img/app.svg';
if (file_exists($appIcon)) {
$info['preview'] = $urlGenerator->imagePath($app, 'app.svg');
$info['previewAsIcon'] = true;
}
}
}
// fix documentation
if (isset($info['documentation']) && is_array($info['documentation'])) {
foreach ($info['documentation'] as $key => $url) {
// If it is not an absolute URL we assume it is a key
// i.e. admin-ldap will get converted to go.php?to=admin-ldap
if (stripos($url, 'https://') !== 0 && stripos($url, 'http://') !== 0) {
$url = $urlGenerator->linkToDocs($url);
}
$info['documentation'][$key] = $url;
}
}
$info['version'] = $appManager->getAppVersion($app);
$appList[] = $info;
}
}
return $appList;
}
public static function shouldUpgrade(string $app): bool {
$versions = self::getAppVersions();
$currentVersion = \OCP\Server::get(\OCP\App\IAppManager::class)->getAppVersion($app);
if ($currentVersion && isset($versions[$app])) {
$installedVersion = $versions[$app];
if (!version_compare($currentVersion, $installedVersion, '=')) {
return true;
}
}
return false;
}
/**
* Adjust the number of version parts of $version1 to match
* the number of version parts of $version2.
*
* @param string $version1 version to adjust
* @param string $version2 version to take the number of parts from
* @return string shortened $version1
*/
private static function adjustVersionParts(string $version1, string $version2): string {
$version1 = explode('.', $version1);
$version2 = explode('.', $version2);
// reduce $version1 to match the number of parts in $version2
while (count($version1) > count($version2)) {
array_pop($version1);
}
// if $version1 does not have enough parts, add some
while (count($version1) < count($version2)) {
$version1[] = '0';
}
return implode('.', $version1);
}
/**
* Check whether the current ownCloud version matches the given
* application's version requirements.
*
* The comparison is made based on the number of parts that the
* app info version has. For example for ownCloud 6.0.3 if the
* app info version is expecting version 6.0, the comparison is
* made on the first two parts of the ownCloud version.
* This means that it's possible to specify "requiremin" => 6
* and "requiremax" => 6 and it will still match ownCloud 6.0.3.
*
* @param string $ocVersion ownCloud version to check against
* @param array $appInfo app info (from xml)
*
* @return boolean true if compatible, otherwise false
*/
public static function isAppCompatible(string $ocVersion, array $appInfo, bool $ignoreMax = false): bool {
$requireMin = '';
$requireMax = '';
if (isset($appInfo['dependencies']['nextcloud']['@attributes']['min-version'])) {
$requireMin = $appInfo['dependencies']['nextcloud']['@attributes']['min-version'];
} elseif (isset($appInfo['dependencies']['owncloud']['@attributes']['min-version'])) {
$requireMin = $appInfo['dependencies']['owncloud']['@attributes']['min-version'];
} elseif (isset($appInfo['requiremin'])) {
$requireMin = $appInfo['requiremin'];
} elseif (isset($appInfo['require'])) {
$requireMin = $appInfo['require'];
}
if (isset($appInfo['dependencies']['nextcloud']['@attributes']['max-version'])) {
$requireMax = $appInfo['dependencies']['nextcloud']['@attributes']['max-version'];
} elseif (isset($appInfo['dependencies']['owncloud']['@attributes']['max-version'])) {
$requireMax = $appInfo['dependencies']['owncloud']['@attributes']['max-version'];
} elseif (isset($appInfo['requiremax'])) {
$requireMax = $appInfo['requiremax'];
}
if (!empty($requireMin)
&& version_compare(self::adjustVersionParts($ocVersion, $requireMin), $requireMin, '<')
) {
return false;
}
if (!$ignoreMax && !empty($requireMax)
&& version_compare(self::adjustVersionParts($ocVersion, $requireMax), $requireMax, '>')
) {
return false;
}
return true;
}
/**
* get the installed version of all apps
*/
public static function getAppVersions() {
static $versions;
if (!$versions) {
/** @var IAppConfig $appConfig */
$appConfig = \OCP\Server::get(IAppConfig::class);
$versions = $appConfig->searchValues('installed_version');
}
return $versions;
}
/**
* update the database for the app and call the update script
*
* @param string $appId
* @return bool
*/
public static function updateApp(string $appId): bool {
// for apps distributed with core, we refresh app path in case the downloaded version
// have been installed in custom apps and not in the default path
$appPath = self::getAppPath($appId, true);
if ($appPath === false) {
return false;
}
if (is_file($appPath . '/appinfo/database.xml')) {
\OC::$server->getLogger()->error('The appinfo/database.xml file is not longer supported. Used in ' . $appId);
return false;
}
\OC::$server->getAppManager()->clearAppsCache();
$l = \OC::$server->getL10N('core');
$appData = \OCP\Server::get(\OCP\App\IAppManager::class)->getAppInfo($appId, false, $l->getLanguageCode());
$ignoreMaxApps = \OC::$server->getConfig()->getSystemValue('app_install_overwrite', []);
$ignoreMax = in_array($appId, $ignoreMaxApps, true);
\OC_App::checkAppDependencies(
\OC::$server->getConfig(),
$l,
$appData,
$ignoreMax
);
self::registerAutoloading($appId, $appPath, true);
self::executeRepairSteps($appId, $appData['repair-steps']['pre-migration']);
$ms = new MigrationService($appId, \OC::$server->get(\OC\DB\Connection::class));
$ms->migrate();
self::executeRepairSteps($appId, $appData['repair-steps']['post-migration']);
self::setupLiveMigrations($appId, $appData['repair-steps']['live-migration']);
// update appversion in app manager
\OC::$server->getAppManager()->clearAppsCache();
\OC::$server->getAppManager()->getAppVersion($appId, false);
self::setupBackgroundJobs($appData['background-jobs']);
//set remote/public handlers
if (array_key_exists('ocsid', $appData)) {
\OC::$server->getConfig()->setAppValue($appId, 'ocsid', $appData['ocsid']);
} elseif (\OC::$server->getConfig()->getAppValue($appId, 'ocsid', null) !== null) {
\OC::$server->getConfig()->deleteAppValue($appId, 'ocsid');
}
foreach ($appData['remote'] as $name => $path) {
\OC::$server->getConfig()->setAppValue('core', 'remote_' . $name, $appId . '/' . $path);
}
foreach ($appData['public'] as $name => $path) {
\OC::$server->getConfig()->setAppValue('core', 'public_' . $name, $appId . '/' . $path);
}
self::setAppTypes($appId);
$version = \OCP\Server::get(\OCP\App\IAppManager::class)->getAppVersion($appId);
\OC::$server->getConfig()->setAppValue($appId, 'installed_version', $version);
\OC::$server->get(IEventDispatcher::class)->dispatchTyped(new AppUpdateEvent($appId));
\OC::$server->get(IEventDispatcher::class)->dispatch(ManagerEvent::EVENT_APP_UPDATE, new ManagerEvent(
ManagerEvent::EVENT_APP_UPDATE, $appId
));
return true;
}
/**
* @param string $appId
* @param string[] $steps
* @throws \OC\NeedsUpdateException
*/
public static function executeRepairSteps(string $appId, array $steps) {
if (empty($steps)) {
return;
}
// load the app
self::loadApp($appId);
$dispatcher = Server::get(IEventDispatcher::class);
// load the steps
$r = Server::get(Repair::class);
foreach ($steps as $step) {
try {
$r->addStep($step);
} catch (Exception $ex) {
$dispatcher->dispatchTyped(new RepairErrorEvent($ex->getMessage()));
logger('core')->error('Failed to add app migration step ' . $step, ['exception' => $ex]);
}
}
// run the steps
$r->run();
}
public static function setupBackgroundJobs(array $jobs) {
$queue = \OC::$server->getJobList();
foreach ($jobs as $job) {
$queue->add($job);
}
}
/**
* @param string $appId
* @param string[] $steps
*/
private static function setupLiveMigrations(string $appId, array $steps) {
$queue = \OC::$server->getJobList();
foreach ($steps as $step) {
$queue->add('OC\Migration\BackgroundRepair', [
'app' => $appId,
'step' => $step]);
}
}
/**
* @param string $appId
* @return \OC\Files\View|false
*/
public static function getStorage(string $appId) {
if (\OC::$server->getAppManager()->isEnabledForUser($appId)) { //sanity check
if (\OC::$server->getUserSession()->isLoggedIn()) {
$view = new \OC\Files\View('/' . OC_User::getUser());
if (!$view->file_exists($appId)) {
$view->mkdir($appId);
}
return new \OC\Files\View('/' . OC_User::getUser() . '/' . $appId);
} else {
\OCP\Server::get(LoggerInterface::class)->error('Can\'t get app storage, app ' . $appId . ', user not logged in', ['app' => 'core']);
return false;
}
} else {
\OCP\Server::get(LoggerInterface::class)->error('Can\'t get app storage, app ' . $appId . ' not enabled', ['app' => 'core']);
return false;
}
}
protected static function findBestL10NOption(array $options, string $lang): string {
// only a single option
if (isset($options['@value'])) {
return $options['@value'];
}
$fallback = $similarLangFallback = $englishFallback = false;
$lang = strtolower($lang);
$similarLang = $lang;
if (strpos($similarLang, '_')) {
// For "de_DE" we want to find "de" and the other way around
$similarLang = substr($lang, 0, strpos($lang, '_'));
}
foreach ($options as $option) {
if (is_array($option)) {
if ($fallback === false) {
$fallback = $option['@value'];
}
if (!isset($option['@attributes']['lang'])) {
continue;
}
$attributeLang = strtolower($option['@attributes']['lang']);
if ($attributeLang === $lang) {
return $option['@value'];
}
if ($attributeLang === $similarLang) {
$similarLangFallback = $option['@value'];
} elseif (str_starts_with($attributeLang, $similarLang . '_')) {
if ($similarLangFallback === false) {
$similarLangFallback = $option['@value'];
}
}
} else {
$englishFallback = $option;
}
}
if ($similarLangFallback !== false) {
return $similarLangFallback;
} elseif ($englishFallback !== false) {
return $englishFallback;
}
return (string)$fallback;
}
/**
* parses the app data array and enhanced the 'description' value
*
* @param array $data the app data
* @param string $lang
* @return array improved app data
*/
public static function parseAppInfo(array $data, $lang = null): array {
if ($lang && isset($data['name']) && is_array($data['name'])) {
$data['name'] = self::findBestL10NOption($data['name'], $lang);
}
if ($lang && isset($data['summary']) && is_array($data['summary'])) {
$data['summary'] = self::findBestL10NOption($data['summary'], $lang);
}
if ($lang && isset($data['description']) && is_array($data['description'])) {
$data['description'] = trim(self::findBestL10NOption($data['description'], $lang));
} elseif (isset($data['description']) && is_string($data['description'])) {
$data['description'] = trim($data['description']);
} else {
$data['description'] = '';
}
return $data;
}
/**
* @param \OCP\IConfig $config
* @param \OCP\IL10N $l
* @param array $info
* @throws \Exception
*/
public static function checkAppDependencies(\OCP\IConfig $config, \OCP\IL10N $l, array $info, bool $ignoreMax) {
$dependencyAnalyzer = new DependencyAnalyzer(new Platform($config), $l);
$missing = $dependencyAnalyzer->analyze($info, $ignoreMax);
if (!empty($missing)) {
$missingMsg = implode(PHP_EOL, $missing);
throw new \Exception(
$l->t('App "%1$s" cannot be installed because the following dependencies are not fulfilled: %2$s',
[$info['name'], $missingMsg]
)
);
}
}
}
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