- $success = $IMAP->clear_mailbox($mbox);
-
- if ($success && !empty($_REQUEST['_reload']))
- {
- $OUTPUT->set_env('messagecount', 0);
- $OUTPUT->set_env('pagecount', 0);
- $OUTPUT->command('message_list.clear');
- $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text());
- $OUTPUT->command('set_unread_count', $mbox_name, 0);
- }
- else
- $commands = "// purged: $success";
+ $delimiter = $IMAP->get_hierarchy_delimiter();
+ $trash_regexp = '/^' . preg_quote($CONFIG['trash_mbox'] . $delimiter, '/') . '/';
+ $junk_regexp = '/^' . preg_quote($CONFIG['junk_mbox'] . $delimiter, '/') . '/';
+
+ // we should only be purging trash and junk (or their subfolders)
+ if ($mbox == $CONFIG['trash_mbox'] || $mbox == $CONFIG['junk_mbox']
+ || preg_match($trash_regexp, $mbox) || preg_match($junk_regexp, $mbox)
+ ) {
+ $success = $IMAP->clear_mailbox($mbox);
+
+ if ($success) {
+ $OUTPUT->show_message('folderpurged', 'confirmation');
+
+ if (!empty($_REQUEST['_reload'])) {
+ $OUTPUT->set_env('messagecount', 0);
+ $OUTPUT->set_env('pagecount', 0);
+ $OUTPUT->command('message_list.clear');
+ $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text());
+ $OUTPUT->command('set_unread_count', $mbox, 0);
+ $OUTPUT->command('set_quota', rcmail_quota_content());
+ rcmail_set_unseen_count($mbox, 0);
+ }
+ }
+ else {
+ rcmail_display_server_error();
+ }
+ }