fixup! feat: automated appointment creation

Signed-off-by: SebastianKrupinski <krupinskis05@gmail.com>

Author: SebastianKrupinski

lib/private/Calendar/Manager.php

@@ -316,16 +316,27 @@ public function handleIMip(
 				$this->logger->warning('iMip message could not be processed because no writable calendar was found');
 				return false;
 			}
-			if (isset($options['absentCreateStatus']) && !empty($options['absentCreateStatus'])) {
+			if (!empty($options['absentCreateStatus'])) {
 				$status = strtoupper($options['absentCreateStatus']);
+
+				if (in_array($status, ['TENTATIVE', 'CONFIRMED', 'CANCELLED'], true) === false) {
+					$this->logger->warning('iMip message could not be processed because an invalid status was provided for the event');
+					return false;
+				}
+
 				if (isset($vObject->VEVENT->STATUS)) {
 					$vObject->VEVENT->STATUS->setValue($status);
 				} else {
 					$vObject->VEVENT->add('STATUS', $status);
 				}
 			}
 
-			$calendar->handleIMipMessage($userId, $vObject->serialize());
+			try {
+				$calendar->handleIMipMessage($userId, $vObject->serialize());
+			} catch (CalendarException $e) {
+				$this->logger->error('iMip message could not be processed because an error occurred', ['exception' => $e]);
+				return false;
+			}
 
 			return true;
 		}