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[stable29] fix: (CalDav) Delete invitation link when deleting Calendars or Events #49428

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merged 1 commit into from
Nov 23, 2024
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[stable29] fix: (CalDav) Delete invitation link when deleting Calendars or Events #49428

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53 changes: 51 additions & 2 deletions apps/dav/lib/CalDAV/CalDavBackend.php
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Original file line number Diff line number Diff line change
Expand Up @@ -211,7 +211,9 @@ class CalDavBackend extends AbstractBackend implements SyncSupport, Subscription
*/
protected array $userDisplayNames;

private string $dbObjectsTable = 'calendarobjects';
private string $dbObjectPropertiesTable = 'calendarobjects_props';
private string $dbObjectInvitationsTable = 'calendar_invitations';
private array $cachedObjects = [];

public function __construct(
Expand Down Expand Up @@ -909,6 +911,8 @@ public function deleteCalendar($calendarId, bool $forceDeletePermanently = false
$calendarData = $this->getCalendarById($calendarId);
$shares = $this->getShares($calendarId);

$this->purgeCalendarInvitations($calendarId);

$qbDeleteCalendarObjectProps = $this->db->getQueryBuilder();
$qbDeleteCalendarObjectProps->delete($this->dbObjectPropertiesTable)
->where($qbDeleteCalendarObjectProps->expr()->eq('calendarid', $qbDeleteCalendarObjectProps->createNamedParameter($calendarId)))
Expand Down Expand Up @@ -1139,7 +1143,7 @@ public function getCalendarObject($calendarId, $objectUri, int $calendarType = s
return $this->cachedObjects[$key];
}
$query = $this->db->getQueryBuilder();
$query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification', 'deleted_at'])
$query->select(['id', 'uri', 'uid', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification', 'deleted_at'])
->from('calendarobjects')
->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
->andWhere($query->expr()->eq('uri', $query->createNamedParameter($objectUri)))
Expand All @@ -1161,6 +1165,7 @@ private function rowToCalendarObject(array $row): array {
return [
'id' => $row['id'],
'uri' => $row['uri'],
'uid' => $row['uid'],
'lastmodified' => $row['lastmodified'],
'etag' => '"' . $row['etag'] . '"',
'calendarid' => $row['calendarid'],
Expand Down Expand Up @@ -1481,6 +1486,8 @@ public function deleteCalendarObject($calendarId, $objectUri, $calendarType = se

$this->purgeProperties($calendarId, $data['id']);

$this->purgeObjectInvitations($data['uid']);

if ($calendarType === self::CALENDAR_TYPE_CALENDAR) {
$calendarRow = $this->getCalendarById($calendarId);
$shares = $this->getShares($calendarId);
Expand Down Expand Up @@ -1677,7 +1684,7 @@ public function calendarQuery($calendarId, array $filters, $calendarType = self:
}
}
$query = $this->db->getQueryBuilder();
$query->select(['id', 'uri', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification', 'deleted_at'])
$query->select(['id', 'uri', 'uid', 'lastmodified', 'etag', 'calendarid', 'size', 'calendardata', 'componenttype', 'classification', 'deleted_at'])
->from('calendarobjects')
->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)))
Expand Down Expand Up @@ -3512,4 +3519,46 @@ private function rowToSubscription($row, array $subscription): array {
}
return $subscription;
}

/**
* delete all invitations from a given calendar
*
* @since 31.0.0
*
* @param int $calendarId
*
* @return void
*/
protected function purgeCalendarInvitations(int $calendarId): void {
// select all calendar object uid's
$cmd = $this->db->getQueryBuilder();
$cmd->select('uid')
->from($this->dbObjectsTable)
->where($cmd->expr()->eq('calendarid', $cmd->createNamedParameter($calendarId)));
$allIds = $cmd->executeQuery()->fetchAll(\PDO::FETCH_COLUMN);
// delete all links that match object uid's
$cmd = $this->db->getQueryBuilder();
$cmd->delete($this->dbObjectInvitationsTable)
->where($cmd->expr()->in('uid', $cmd->createNamedParameter('uids'), IQueryBuilder::PARAM_STR_ARRAY));
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I thought one had to use \OCP\DB\QueryBuilder\IQueryBuilder::createParameter for a parameter, and createNamedParameter was to set a value directly.

Fine by me if the current code works

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It should be createParameter() instead. I'm 99% sure.

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See #49454

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Interesting, I step through tested this, it executes without any errors, but does not actual do what its supposed to do.

foreach (array_chunk($allIds, 1000) as $chunckIds) {
$cmd->setParameter('uids', $chunckIds, IQueryBuilder::PARAM_INT_ARRAY);
$cmd->executeStatement();
}
}

/**
* Delete all invitations from a given calendar event
*
* @since 31.0.0
*
* @param string $eventId UID of the event
*
* @return void
*/
protected function purgeObjectInvitations(string $eventId): void {
$cmd = $this->db->getQueryBuilder();
$cmd->delete($this->dbObjectInvitationsTable)
->where($cmd->expr()->eq('uid', $cmd->createNamedParameter($eventId)));
$cmd->executeStatement();
}
}
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