# Provide an HTTP-accessible listing of inboxes.
# Used by PublicInbox::WWW
package PublicInbox::WwwListing;
use strict;
use PublicInbox::Hval qw(ascii_html prurl fmt_ts);
use PublicInbox::Linkify;
use PublicInbox::GzipFilter qw(gzf_maybe);
use PublicInbox::ManifestJsGz;
use bytes (); # bytes::length
sub list_all_i {
my ($ibx, $list, $hide_key) = @_;
push @$list, $ibx unless $ibx->{-hide}->{$hide_key};
}
sub list_all ($$$) {
my ($self, $env, $hide_key) = @_;
my $list = [];
$self->{pi_config}->each_inbox(\&list_all_i, $list, $hide_key);
$list;
}
sub list_match_domain_i {
my ($ibx, $list, $hide_key, $re) = @_;
if (!$ibx->{-hide}->{$hide_key} && grep(/$re/, @{$ibx->{url}})) {
push @$list, $ibx;
}
}
sub list_match_domain ($$$) {
my ($self, $env, $hide_key) = @_;
my $list = [];
my $host = $env->{HTTP_HOST} // $env->{SERVER_NAME};
$host =~ s/:[0-9]+\z//;
$self->{pi_config}->each_inbox(\&list_match_domain_i, $list, $hide_key,
qr!\A(?:https?:)?//\Q$host\E(?::[0-9]+)?/!i);
$list;
}
sub list_404 ($$) { [] }
# TODO: +cgit
my %VALID = (
all => \&list_all,
'match=domain' => \&list_match_domain,
404 => \&list_404,
);
sub set_cb ($$$) {
my ($pi_config, $k, $default) = @_;
my $v = $pi_config->{lc $k} // $default;
$VALID{$v} || do {
warn <<"";
`$v' is not a valid value for `$k'
$k be one of `all', `match=domain', or `404'
$VALID{$default};
};
}
sub new {
my ($class, $www) = @_;
my $pi_config = $www->{pi_config};
bless {
pi_config => $pi_config,
style => $www->style("\0"),
www_cb => set_cb($pi_config, 'publicInbox.wwwListing', 404),
manifest_cb => set_cb($pi_config, 'publicInbox.grokManifest',
'match=domain'),
}, $class;
}
sub ibx_entry {
my ($mtime, $ibx, $env) = @_;
my $ts = fmt_ts($mtime);
my $url = prurl($env, $ibx->{url});
my $tmp = <<"";
* $ts - $url
${\$ibx->description}
if (defined(my $info_url = $ibx->{infourl})) {
$tmp .= ' ' . prurl($env, $info_url) . "\n";
}
$tmp;
}
sub html ($$) {
my ($env, $list) = @_;
my $h = [ 'Content-Type', 'text/html; charset=UTF-8',
'Content-Length', undef ];
my $gzf = gzf_maybe($h, $env);
$gzf->zmore('' .
'public-inbox listing' .
'');
my $code = 404;
if (@$list) {
$code = 200;
# Schwartzian transform since Inbox->modified is expensive
@$list = sort {
$b->[0] <=> $a->[0]
} map { [ $_->modified, $_ ] } @$list;
my $tmp = join("\n", map { ibx_entry(@$_, $env) } @$list);
my $l = PublicInbox::Linkify->new;
$gzf->zmore($l->to_html($tmp));
} else {
$gzf->zmore('no inboxes, yet');
}
my $out = $gzf->zflush('
'.
PublicInbox::WwwStream::code_footer($env) .
'
');
$h->[3] = bytes::length($out);
[ $code, $h, [ $out ] ];
}
# not really a stand-alone PSGI app, but maybe it could be...
sub call {
my ($self, $env) = @_;
if ($env->{PATH_INFO} eq '/manifest.js.gz') {
# grokmirror uses relative paths, so it's domain-dependent
my $list = $self->{manifest_cb}->($self, $env, 'manifest');
PublicInbox::ManifestJsGz::response($env, $list);
} else { # /
my $list = $self->{www_cb}->($self, $env, 'www');
html($env, $list);
}
}
1;