diff options
| -rw-r--r-- | apps/dav/lib/CalDAV/CalDavBackend.php | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/apps/dav/lib/CalDAV/CalDavBackend.php b/apps/dav/lib/CalDAV/CalDavBackend.php index cc6c4344c3c..d25276fe16d 100644 --- a/apps/dav/lib/CalDAV/CalDavBackend.php +++ b/apps/dav/lib/CalDAV/CalDavBackend.php @@ -65,6 +65,7 @@ use Sabre\VObject\ParseException; use Sabre\VObject\Property; use Sabre\VObject\Reader; use Sabre\VObject\Recur\EventIterator; +use Sabre\VObject\Recur\NoInstancesException; use function array_column; use function array_map; use function array_merge; @@ -2987,7 +2988,15 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription $lastOccurrence = $firstOccurrence; } } else { - $it = new EventIterator($vEvents); + try { + $it = new EventIterator($vEvents); + } catch (NoInstancesException $e) { + $this->logger->debug('Caught no instance exception for calendar data. This usually indicates invalid calendar data.', [ + 'app' => 'dav', + 'exception' => $e, + ]); + throw new Forbidden($e->getMessage()); + } $maxDate = new DateTime(self::MAX_DATE); $firstOccurrence = $it->getDtStart()->getTimestamp(); if ($it->isInfinite()) { |