Merge pull request #2274 from nextcloud/fix-invites-on-readonly-calendars

Do not add invites into read-only calendars

apps/dav/lib/CalDAV/CalendarHome.php

@@ -41,6 +41,13 @@ class CalendarHome extends \Sabre\CalDAV\CalendarHome {
 		$this->l10n = \OC::$server->getL10N('dav');
 	}
 
+	/**
+	 * @return BackendInterface
+	 */
+	public function getCalDAVBackend() {
+		return $this->caldavBackend;
+	}
+
 	/**
 	 * @inheritdoc
 	 */

apps/dav/lib/CalDAV/Schedule/Plugin.php

@@ -1,7 +1,9 @@
 <?php
 /**
  * @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
+ * @copyright Copyright (c) 2016, Joas Schilling <coding@schilljs.com>
  *
+ * @author Joas Schilling <coding@schilljs.com>
  * @author Roeland Jago Douma <roeland@famdouma.nl>
  *
  * @license GNU AGPL version 3 or any later version
@@ -22,8 +24,27 @@
  */
 namespace OCA\DAV\CalDAV\Schedule;
 
+use OCA\DAV\CalDAV\CalDavBackend;
+use OCA\DAV\CalDAV\CalendarHome;
+use Sabre\DAV\INode;
+use Sabre\DAV\PropFind;
+use Sabre\DAV\Server;
+use Sabre\DAV\Xml\Property\LocalHref;
+use Sabre\DAVACL\IPrincipal;
+
 class Plugin extends \Sabre\CalDAV\Schedule\Plugin {
 
+	/**
+	 * Initializes the plugin
+	 *
+	 * @param Server $server
+	 * @return void
+	 */
+	function initialize(Server $server) {
+		parent::initialize($server);
+		$server->on('propFind', [$this, 'propFindDefaultCalendarUrl'], 90);
+	}
+
 	/**
 	 * Returns a list of addresses that are associated with a principal.
 	 *
@@ -39,4 +60,42 @@ class Plugin extends \Sabre\CalDAV\Schedule\Plugin {
 
 		return $result;
 	}
+
+	/**
+	 * Always use the personal calendar as target for scheduled events
+	 *
+	 * @param PropFind $propFind
+	 * @param INode $node
+	 * @return void
+	 */
+	function propFindDefaultCalendarUrl(PropFind $propFind, INode $node) {
+		if ($node instanceof IPrincipal) {
+			$propFind->handle('{' . self::NS_CALDAV . '}schedule-default-calendar-URL', function() use ($node) {
+				/** @var \OCA\DAV\CalDAV\Plugin $caldavPlugin */
+				$caldavPlugin = $this->server->getPlugin('caldav');
+				$principalUrl = $node->getPrincipalUrl();
+
+				$calendarHomePath = $caldavPlugin->getCalendarHomeForPrincipal($principalUrl);
+
+				if (!$calendarHomePath) {
+					return null;
+				}
+
+				/** @var CalendarHome $calendarHome */
+				$calendarHome = $this->server->tree->getNodeForPath($calendarHomePath);
+				if (!$calendarHome->childExists(CalDavBackend::PERSONAL_CALENDAR_URI)) {
+					$calendarHome->getCalDAVBackend()->createCalendar($principalUrl, CalDavBackend::PERSONAL_CALENDAR_URI, [
+						'{DAV:}displayname' => CalDavBackend::PERSONAL_CALENDAR_NAME,
+					]);
+				}
+
+				$result = $this->server->getPropertiesForPath($calendarHomePath . '/' . CalDavBackend::PERSONAL_CALENDAR_URI, [], 1);
+				if (empty($result)) {
+					return null;
+				}
+
+				return new LocalHref($result[0]['href']);
+			});
+		}
+	}
 }