1 files changed, 102 insertions, 0 deletions
diff --git a/apps/dav/lib/caldav/calendar.php b/apps/dav/lib/caldav/calendar.php
new file mode 100644
index 00000000000..8ed5b6563d0
--- /dev/null
+++ b/apps/dav/lib/caldav/calendar.php
@@ -0,0 +1,102 @@
+<?php
+
+namespace OCA\DAV\CalDAV;
+
+use OCA\DAV\DAV\Sharing\IShareable;
+use Sabre\DAV\Exception\Forbidden;
+
+class Calendar extends \Sabre\CalDAV\Calendar implements IShareable {
+
+	/**
+	 * Updates the list of shares.
+	 *
+	 * The first array is a list of people that are to be added to the
+	 * resource.
+	 *
+	 * Every element in the add array has the following properties:
+	 *   * href - A url. Usually a mailto: address
+	 *   * commonName - Usually a first and last name, or false
+	 *   * summary - A description of the share, can also be false
+	 *   * readOnly - A boolean value
+	 *
+	 * Every element in the remove array is just the address string.
+	 *
+	 * @param array $add
+	 * @param array $remove
+	 * @return void
+	 */
+	function updateShares(array $add, array $remove) {
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		$calDavBackend->updateShares($this, $add, $remove);
+	}
+
+	/**
+	 * Returns the list of people whom this resource is shared with.
+	 *
+	 * Every element in this array should have the following properties:
+	 *   * href - Often a mailto: address
+	 *   * commonName - Optional, for example a first + last name
+	 *   * status - See the Sabre\CalDAV\SharingPlugin::STATUS_ constants.
+	 *   * readOnly - boolean
+	 *   * summary - Optional, a description for the share
+	 *
+	 * @return array
+	 */
+	function getShares() {
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		return $calDavBackend->getShares($this->getResourceId());
+	}
+
+	/**
+	 * @return int
+	 */
+	public function getResourceId() {
+		return $this->calendarInfo['id'];
+	}
+
+	function getACL() {
+		$acl = parent::getACL();
+
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		return $calDavBackend->applyShareAcl($this->getResourceId(), $acl);
+	}
+
+	function getChildACL() {
+		$acl = parent::getChildACL();
+
+		/** @var CalDavBackend $calDavBackend */
+		$calDavBackend = $this->caldavBackend;
+		return $calDavBackend->applyShareAcl($this->getResourceId(), $acl);
+	}
+
+	function getOwner() {
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+			return $this->calendarInfo['{http://owncloud.org/ns}owner-principal'];
+		}
+		return parent::getOwner();
+	}
+
+	function delete() {
+		if (isset($this->calendarInfo['{http://owncloud.org/ns}owner-principal'])) {
+			$principal = 'principal:' . parent::getOwner();
+			$shares = $this->getShares();
+			$shares = array_filter($shares, function($share) use ($principal){
+				return $share['href'] === $principal;
+			});
+			if (empty($shares)) {
+				throw new Forbidden();
+			}
+
+			/** @var CalDavBackend $calDavBackend */
+			$calDavBackend = $this->caldavBackend;
+			$calDavBackend->updateShares($this, [], [
+				'href' => $principal
+			]);
+			return;
+		}
+		parent::delete();
+	}
+}