# Copyright (C) 2021 all contributors
# License: AGPL-3.0+
# command for listing NNTP groups and IMAP folders,
# handy for users with git-credential-helper configured
# TODO: list JMAP labels
package PublicInbox::LeiLsMailSource;
use strict;
use v5.10.1;
use parent qw(PublicInbox::IPC PublicInbox::LeiInput);
sub input_path_url { # overrides LeiInput version
my ($self, $url) = @_;
# TODO: support ndjson and other JSONs we support elsewhere
my $json;
my $lei = $self->{lei};
my $ORS = "\n";
if ($self->{lei}->{opt}->{l}) {
$json = ref(PublicInbox::Config->json)->new->utf8->canonical;
$json->ascii(1) if $lei->{opt}->{ascii};
} elsif ($self->{lei}->{opt}->{z}) {
$ORS = "\0";
}
my @f;
if ($url =~ m!\Aimaps?://!i) {
my $uri = PublicInbox::URIimap->new($url);
my $sec = $lei->{net}->can('uri_section')->($uri);
my $mic = $lei->{net}->mic_get($uri);
my $l = $mic->folders_hash($uri->path); # server-side filter
@f = map { "$sec/$_->{name}" } @$l;
if ($json) {
$_->{url} = "$sec/$_->{name}" for @$l;
$lei->puts($json->encode($l));
} else {
if ($self->{lei}->{opt}->{url}) {
$_->{name} = "$sec/$_->{name}" for @$l;
}
$lei->out(join($ORS, (map { $_->{name} } @$l), ''));
}
} elsif ($url =~ m!\A(?:nntps?|s?news)://!i) {
my $uri = PublicInbox::URInntps->new($url);
my $nn = $lei->{net}->nn_get($uri);
my $l = $nn->newsgroups($uri->group); # name => description
my $sec = $lei->{net}->can('uri_section')->($uri);
if ($json) {
my $all = $nn->list;
my @x;
for my $ng (sort keys %$l) {
my $desc = $l->{$ng};
# we need to drop CR ourselves iff using IO::Socket::SSL since
# Net::Cmd::getline doesn't get used by Net::NNTP if TLS is in play, noted in:
#
$desc =~ s/\r\z//;
my ($hwm, $lwm, $status) = @{$all->{$ng}};
push @x, { name => $ng, url => "$sec/$ng",
lwm => $lwm + 0,
hwm => $hwm + 0, status => $status,
description => $desc };
}
@f = map { "$sec/$_" } keys %$all;
$lei->puts($json->encode(\@x));
} else {
@f = map { "$sec/$_" } keys %$l;
if ($self->{lei}->{opt}->{url}) {
$lei->out(join($ORS, sort(@f), ''));
} else {
$lei->out(join($ORS, sort(keys %$l), ''));
}
}
} else { die "BUG: $url not supported" }
if (@f) {
my $fc = $lei->url_folder_cache;
my $lk = $fc->lock_for_scope;
$fc->dbh->begin_work;
my $now = time;
$fc->set($_, $now) for @f;
$fc->dbh->commit;
}
}
sub lei_ls_mail_source {
my ($lei, $url, $pfx) = @_;
$url =~ m!\A(?:imaps?|nntps?|s?news)://!i or return
$lei->fail('only NNTP and IMAP URLs supported');
my $self = bless { pfx => $pfx, -ls_ok => 1 }, __PACKAGE__;
$self->{cfg} = $lei->_lei_cfg; # may be undef
$self->prepare_inputs($lei, [ $url ]) or return;
$lei->start_pager if -t $lei->{1};
my $ops = {};
$lei->{auth}->op_merge($ops, $self);
my $j = $self->{-wq_nr_workers} = 1; # locked
(my $op_c, $ops) = $lei->workers_start($self, $j, $ops);
$lei->{wq1} = $self;
$lei->{-err_type} = 'non-fatal';
net_merge_all_done($self) unless $lei->{auth};
$lei->wait_wq_events($op_c, $ops); # net_merge_all_done if !{auth}
}
sub _complete_ls_mail_source {
my ($lei, @argv) = @_;
my $match_cb = $lei->complete_url_prepare(\@argv);
my @m = map { $match_cb->($_) } $lei->url_folder_cache->keys;
my %f = map { $_ => 1 } @m;
my $sto = $lei->_lei_store;
if (my $lms = $sto ? $sto->search->lms : undef) {
@m = map { $match_cb->($_) } grep(
m!\A(?:imaps?|nntps?|s?news)://!, $lms->folders);
@f{@m} = @m;
}
keys %f;
}
no warnings 'once';
*ipc_atfork_child = \&PublicInbox::LeiInput::input_only_atfork_child;
*net_merge_all_done = \&PublicInbox::LeiInput::input_only_net_merge_all_done;
*net_merge_all = \&PublicInbox::LeiAuth::net_merge_all;
1;