$self->{-by_list_id}->{lc($list_id)} = $ibx;
}
}
- if (my $ng = $ibx->{newsgroup}) {
- # PublicInbox::NNTPD does stricter (and more expensive checks),
- # keep this lean for startup speed
- $self->{-by_newsgroup}->{$ng} = $ibx unless ref($ng);
+ if (my $ngname = $ibx->{newsgroup}) {
+ if (ref($ngname)) {
+ delete $ibx->{newsgroup};
+ warn 'multiple newsgroups not supported: '.
+ join(', ', @$ngname). "\n";
+ # Newsgroup name needs to be compatible with RFC 3977
+ # wildmat-exact and RFC 3501 (IMAP) ATOM-CHAR.
+ # Leave out a few chars likely to cause problems or conflicts:
+ # '|', '<', '>', ';', '#', '$', '&',
+ } elsif ($ngname =~ m![^A-Za-z0-9/_\.\-\~\@\+\=:]!) {
+ delete $ibx->{newsgroup};
+ warn "newsgroup name invalid: `$ngname'\n";
+ } else {
+ # PublicInbox::NNTPD does stricter ->nntp_usable
+ # checks, keep this lean for startup speed
+ $self->{-by_newsgroup}->{$ngname} = $ibx;
+ }
}
$self->{-by_name}->{$name} = $ibx;
if ($ibx->{obfuscate}) {