imap: STATUS and LIST are case-insensitive, too

Some clients insist on sending "INBOX" in all caps,
since it's special in RFC 3501.

1 files changed, 3 insertions, 2 deletions

diff --git a/lib/PublicInbox/IMAP.pm b/lib/PublicInbox/IMAP.pm
index 5865822f..8c6fa7b6 100644
--- a/lib/PublicInbox/IMAP.pm
+++ b/lib/PublicInbox/IMAP.pm
@@ -537,7 +537,7 @@ sub uid_fetch_m { # long_response
 
 sub cmd_status ($$$;@) {
         my ($self, $tag, $mailbox, @items) = @_;
-        my $ibx = $self->{imapd}->{mailboxes}->{$mailbox} or
+        my $ibx = $self->{imapd}->{mailboxes}->{lc $mailbox} or
                 return "$tag NO Mailbox doesn't exist: $mailbox\r\n";
         return "$tag BAD no items\r\n" if !scalar(@items);
         ($items[0] !~ s/\A\(//s || $items[-1] !~ s/\)\z//s) and
@@ -571,7 +571,8 @@ sub cmd_list ($$$$) {
                 # request for hierarchy delimiter
                 $l = [ qq[* LIST (\\Noselect) "." ""\r\n] ];
         } elsif ($refname ne '' || $wildcard ne '*') {
-                $wildcard =~ s!([^a-z0-9_])!$patmap{$1} // "\Q$1"!eig;
+                $wildcard = lc $wildcard;
+                $wildcard =~ s!([^a-z0-9_])!$patmap{$1} // "\Q$1"!eg;
                 $l = [ grep(/ \Q$refname\E$wildcard\r\n\z/s, @$l) ];
         }
         \(join('', @$l, "$tag OK List done\r\n"));