1 files changed, 97 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..b4a47418350
--- /dev/null
+++ b/apps/dav/lib/caldav/calendar.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace OCA\DAV\CalDAV;
+
+use OCA\DAV\DAV\Sharing\IShareable;
+
+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() {
+		$acl = parent::getACL();
+
+		// add the current user
+		if (isset($this->calendarInfo['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal'])) {
+			$owner = $this->calendarInfo['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal'];
+			$acl[] = [
+				'privilege' => '{DAV:}read',
+				'principal' => $owner,
+				'protected' => true,
+			];
+			if ($this->calendarInfo['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only']) {
+				$acl[] = [
+					'privilege' => '{DAV:}write',
+					'principal' => $owner,
+					'protected' => true,
+				];
+			}
+		}
+
+		/** @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['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal'])) {
+			return $this->calendarInfo['{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal'];
+		}
+		return parent::getOwner();
+	}
+}