1 files changed, 64 insertions, 0 deletions
diff --git a/apps/dav/lib/CalDAV/CachedSubscriptionObject.php b/apps/dav/lib/CalDAV/CachedSubscriptionObject.php
new file mode 100644
index 00000000000..c2f7eeabf41
--- /dev/null
+++ b/apps/dav/lib/CalDAV/CachedSubscriptionObject.php
@@ -0,0 +1,64 @@
+<?php
+declare(strict_types=1);
+/**
+ * @copyright 2018 Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @author Georg Ehrke <oc.list@georgehrke.com>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+namespace OCA\DAV\CalDAV;
+
+use Sabre\DAV\Exception\MethodNotAllowed;
+
+/**
+ * Class CachedSubscriptionObject
+ *
+ * @package OCA\DAV\CalDAV
+ * @property CalDavBackend $caldavBackend
+ */
+class CachedSubscriptionObject extends \Sabre\CalDAV\CalendarObject {
+
+	/**
+	 * @inheritdoc
+	 */
+	public function get() {
+		// Pre-populating the 'calendardata' is optional, if we don't have it
+		// already we fetch it from the backend.
+		if (!isset($this->objectData['calendardata'])) {
+			$this->objectData = $this->caldavBackend->getCalendarObject($this->calendarInfo['id'], $this->objectData['uri'], CalDavBackend::CALENDAR_TYPE_SUBSCRIPTION);
+		}
+
+		return $this->objectData['calendardata'];
+	}
+
+	/**
+	 * @param resource|string $calendarData
+	 * @return string|void
+	 * @throws MethodNotAllowed
+	 */
+	public function put($calendarData) {
+		throw new MethodNotAllowed('Creating objects in a cached subscription is not allowed');
+	}
+
+	/**
+	 * @throws MethodNotAllowed
+	 */
+	public function delete() {
+		throw new MethodNotAllowed('Deleting objects in a cached subscription is not allowed');
+	}
+}