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| | # Copyright (C) 2016-2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# represents an NNTPD (currently a singleton),
# see script/public-inbox-nntpd for how it is used
package PublicInbox::NNTPD;
use strict;
use warnings;
use Sys::Hostname;
use PublicInbox::Config;
use PublicInbox::InboxIdle;
sub new {
my ($class) = @_;
my $pi_config = PublicInbox::Config->new;
my $name = $pi_config->{'publicinbox.nntpserver'};
if (!defined($name) or $name eq '') {
$name = hostname;
} elsif (ref($name) eq 'ARRAY') {
$name = $name->[0];
}
bless {
groups => {},
err => \*STDERR,
out => \*STDOUT,
grouplist => [],
pi_config => $pi_config,
servername => $name,
greet => \"201 $name ready - post via email\r\n",
# accept_tls => { SSL_server => 1, ..., SSL_reuse_ctx => ... }
# idler => PublicInbox::InboxIdle
}, $class;
}
sub refresh_groups {
my ($self, $sig) = @_;
my $pi_config = $sig ? PublicInbox::Config->new : $self->{pi_config};
my $new = {};
my @list;
$pi_config->each_inbox(sub {
my ($ng) = @_;
my $ngname = $ng->{newsgroup} or return;
if (ref $ngname) {
warn 'multiple newsgroups not supported: '.
join(', ', @$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/_\.\-\~\@\+\=:]!) {
warn "newsgroup name invalid: `$ngname'\n";
} elsif ($ng->nntp_usable) {
# Only valid if msgmap and search works
$new->{$ngname} = $ng;
push @list, $ng;
# preload to avoid fragmentation:
$ng->description;
$ng->base_url;
}
});
@list = sort { $a->{newsgroup} cmp $b->{newsgroup} } @list;
$self->{grouplist} = \@list;
$self->{pi_config} = $pi_config;
# this will destroy old groups that got deleted
%{$self->{groups}} = %$new;
}
sub idler_start {
$_[0]->{idler} //= PublicInbox::InboxIdle->new($_[0]->{pi_config});
}
1;
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