# Provide an HTTP-accessible listing of inboxes.
# Used by PublicInbox::WWW
package PublicInbox::WwwListing;
use strict;
use warnings;
use PublicInbox::Hval qw(ascii_html);
use PublicInbox::Linkify;
use PublicInbox::View;
sub list_all ($$) {
my ($self, undef) = @_;
my @list;
$self->{pi_config}->each_inbox(sub {
my ($ibx) = @_;
push @list, $ibx unless $ibx->{-hide}->{www};
});
\@list;
}
sub list_match_domain ($$) {
my ($self, $env) = @_;
my @list;
my $host = $env->{HTTP_HOST} // $env->{SERVER_NAME};
$host =~ s/:\d+\z//;
my $re = qr!\A(?:https?:)?//\Q$host\E(?::\d+)?/!i;
$self->{pi_config}->each_inbox(sub {
my ($ibx) = @_;
push @list, $ibx if !$ibx->{-hide}->{www} && $ibx->{url} =~ $re;
});
\@list;
}
sub list_404 ($$) { [] }
# TODO: +cgit
my %VALID = (
all => *list_all,
'match=domain' => *list_match_domain,
404 => *list_404,
);
sub new {
my ($class, $www) = @_;
my $k = 'publicinbox.wwwListing';
my $pi_config = $www->{pi_config};
my $v = $pi_config->{lc($k)} // 404;
bless {
pi_config => $pi_config,
style => $www->style("\0"),
list_cb => $VALID{$v} || do {
warn <<"";
`$v' is not a valid value for `$k'
$k be one of `all', `match=domain', or `404'
*list_404;
},
}, $class;
}
sub ibx_entry {
my ($mtime, $ibx, $env) = @_;
my $ts = PublicInbox::View::fmt_ts($mtime);
my $url = PublicInbox::Hval::prurl($env, $ibx->{url});
my $tmp = <<"";
* $ts - $url
${\$ibx->description}
if (defined(my $info_url = $ibx->{info_url})) {
$tmp .= "\n$info_url";
}
$tmp;
}
# not really a stand-alone PSGI app, but maybe it could be...
sub call {
my ($self, $env) = @_;
my $h = [ 'Content-Type', 'text/html; charset=UTF-8' ];
my $list = $self->{list_cb}->($self, $env);
my $code = 404;
my $title = 'public-inbox';
my $out = '';
if (@$list) {
# Swartzian transform since ->modified is expensive
@$list = sort {
$b->[0] <=> $a->[0]
} map { [ $_->modified, $_ ] } @$list;
$code = 200;
$title .= ' - listing';
my $tmp = join("\n", map { ibx_entry(@$_, $env) } @$list);
my $l = PublicInbox::Linkify->new;
$l->linkify_1($tmp);
$out = ''.$l->linkify_2(ascii_html($tmp)).'
';
}
$out = "$title" . $out;
$out .= ''. PublicInbox::WwwStream::code_footer($env) .
'
';
[ $code, $h, [ $out ] ]
}
1;