summaryrefslogtreecommitdiffstats
path: root/apps/dav/lib/AppInfo/PluginManager.php
diff options
context:
space:
mode:
Diffstat (limited to 'apps/dav/lib/AppInfo/PluginManager.php')
-rw-r--r--apps/dav/lib/AppInfo/PluginManager.php170
1 files changed, 170 insertions, 0 deletions
diff --git a/apps/dav/lib/AppInfo/PluginManager.php b/apps/dav/lib/AppInfo/PluginManager.php
new file mode 100644
index 00000000000..9cdf358c80e
--- /dev/null
+++ b/apps/dav/lib/AppInfo/PluginManager.php
@@ -0,0 +1,170 @@
+<?php
+/**
+ * @author Vincent Petry <pvince81@owncloud.com>
+ *
+ * @copyright Copyright (c) 2016, ownCloud GmbH.
+ * @license AGPL-3.0
+ *
+ * This code is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program 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, version 3,
+ * along with this program. If not, see <http://www.gnu.org/licenses/>
+ *
+ */
+namespace OCA\DAV\AppInfo;
+
+use OCP\App\IAppManager;
+use OC\ServerContainer;
+use OCP\AppFramework\QueryException;
+
+/**
+ * Manager for DAV plugins from apps, used to register them
+ * to the Sabre server.
+ */
+class PluginManager {
+
+ /**
+ * @var ServerContainer
+ */
+ private $container;
+
+ /**
+ * @var IAppManager
+ */
+ private $appManager;
+
+ /**
+ * App plugins
+ *
+ * @var array
+ */
+ private $plugins = null;
+
+ /**
+ * App collections
+ *
+ * @var array
+ */
+ private $collections = null;
+
+ /**
+ * Contstruct a PluginManager
+ *
+ * @param ServerContainer $container server container for resolving plugin classes
+ * @param IAppManager $appManager app manager to loading apps and their info
+ */
+ public function __construct(ServerContainer $container, IAppManager $appManager) {
+ $this->container = $container;
+ $this->appManager = $appManager;
+ }
+
+ /**
+ * Returns an array of app-registered plugins
+ *
+ * @return array
+ */
+ public function getAppPlugins() {
+ if (null === $this->plugins) {
+ $this->populate();
+ }
+ return $this->plugins;
+ }
+
+ /**
+ * Returns an array of app-registered collections
+ *
+ * @return array
+ */
+ public function getAppCollections() {
+ if (null === $this->collections) {
+ $this->populate();
+ }
+ return $this->collections;
+ }
+
+ /**
+ * Retrieve plugin and collection list and populate attributes
+ */
+ private function populate() {
+ $this->plugins = [];
+ $this->collections = [];
+ foreach ($this->appManager->getInstalledApps() as $app) {
+ // load plugins and collections from info.xml
+ $info = $this->appManager->getAppInfo($app);
+ if (!isset($info['types']) || !in_array('dav', $info['types'], true)) {
+ continue;
+ }
+ // FIXME: switch to public API once available
+ // load app to make sure its classes are available
+ \OC_App::loadApp($app);
+ $this->loadSabrePluginsFromInfoXml($this->extractPluginList($info));
+ $this->loadSabreCollectionsFromInfoXml($this->extractCollectionList($info));
+ }
+ }
+
+ private function extractPluginList(array $array) {
+ if (isset($array['sabre']) && is_array($array['sabre'])) {
+ if (isset($array['sabre']['plugins']) && is_array($array['sabre']['plugins'])) {
+ if (isset($array['sabre']['plugins']['plugin'])) {
+ $items = $array['sabre']['plugins']['plugin'];
+ if (!is_array($items)) {
+ $items = [$items];
+ }
+ return $items;
+ }
+ }
+ }
+ return [];
+ }
+
+ private function extractCollectionList(array $array) {
+ if (isset($array['sabre']) && is_array($array['sabre'])) {
+ if (isset($array['sabre']['collections']) && is_array($array['sabre']['collections'])) {
+ if (isset($array['sabre']['collections']['collection'])) {
+ $items = $array['sabre']['collections']['collection'];
+ if (!is_array($items)) {
+ $items = [$items];
+ }
+ return $items;
+ }
+ }
+ }
+ return [];
+ }
+
+ private function loadSabrePluginsFromInfoXml(array $plugins) {
+ foreach ($plugins as $plugin) {
+ try {
+ $this->plugins[] = $this->container->query($plugin);
+ } catch (QueryException $e) {
+ if (class_exists($plugin)) {
+ $this->plugins[] = new $plugin();
+ } else {
+ throw new \Exception("Sabre plugin class '$plugin' is unknown and could not be loaded");
+ }
+ }
+ }
+ }
+
+ private function loadSabreCollectionsFromInfoXml(array $collections) {
+ foreach ($collections as $collection) {
+ try {
+ $this->collections[] = $this->container->query($collection);
+ } catch (QueryException $e) {
+ if (class_exists($collection)) {
+ $this->collections[] = new $collection();
+ } else {
+ throw new \Exception("Sabre collection class '$collection' is unknown and could not be loaded");
+ }
+ }
+ }
+ }
+
+}