feat(PHP, TS) Apply the the code allow-admin-delegation-stable21 branch for stable23

I transposed the code from the allow-admin-delegation-stable21 branch to allow-admin-delegation-stable23

Signed-off-by: Baptiste Fotia <fotia.baptiste@arawa.fr>
Signed-off-by: Baptiste Fotia <fotia.baptiste@hotmail.com>

1 files changed, 70 insertions, 0 deletions

diff --git a/lib/Service/DelegationService.php b/lib/Service/DelegationService.php
new file mode 100644
index 00000000..36dbad86
--- /dev/null
+++ b/lib/Service/DelegationService.php
@@ -0,0 +1,70 @@
+<?php
+
+/**
+ * @author Cyrille Bollu <cyr.debian@bollu.be> for Arawa (https://arawa.fr)
+ *
+ * GroupFolders
+ *
+ * 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\GroupFolders\Service;
+
+use OCP\IConfig;
+use OCP\IGroupManager;
+use OCP\IUserSession;
+
+class DelegationService {
+
+	/** @var IConfig */
+	private $config;
+
+	/** @var IGroupManager */
+	private $groupManager;
+
+	/** @var IUserSession */
+	private $userSession;
+
+	public function __construct(IConfig $config,
+        IGroupManager $groupManager,
+        IUserSession $userSession) {
+		$this->config = $config;
+		$this->groupManager = $groupManager;
+		$this->userSession = $userSession;
+	}
+
+	/**
+	 * Return true if user is an admin, or a member of a group that
+	 * has been granted admin rights on groupfolders
+	 *
+	 * @return bool
+	 */
+	public function isAdmin() {
+		$userId = $this->userSession->getUser()->getUID();
+		if ($this->groupManager->isAdmin($userId)) {
+			return true;
+		}
+		$allowedGroups = json_decode($this->config->getAppValue('groupfolders', 'delegated-admins', '[]'));
+		$userGroups = $this->groupManager->getUserGroups($this->userSession->getUser());
+		foreach($userGroups as $userGroup) {
+			if (in_array($userGroup->getGID(), $allowedGroups)) {
+				return true;
+			}
+		}
+		return false;
+
+	}
+
+}
+