# Copyright (C) all contributors
# License: AGPL-3.0+
# represents an IMAPD, see script/public-inbox-imapd for how it is used
package PublicInbox::IMAPD;
use strict;
use v5.10.1;
use PublicInbox::Config;
use PublicInbox::InboxIdle;
use PublicInbox::IMAP;
use PublicInbox::DummyInbox;
my $dummy = bless { uidvalidity => 0 }, 'PublicInbox::DummyInbox';
sub new {
my ($class) = @_;
bless {
# mailboxes => {},
err => \*STDERR,
out => \*STDOUT,
# ssl_ctx_opt => { SSL_cert_file => ..., SSL_key_file => ... }
# pi_cfg => PublicInbox::Config
# idler => PublicInbox::InboxIdle
}, $class;
}
sub _refresh_ibx { # pi_cfg->each_inbox cb
my ($ibx, $imapd, $cache, $dummies) = @_;
my $ngname = $ibx->{newsgroup} // return;
# We require lower-case since IMAP mailbox names are
# case-insensitive (but -nntpd matches INN in being
# case-sensitive)
if ($ngname =~ m![^a-z0-9/_\.\-\~\@\+\=:]! ||
# don't confuse with 50K slices
$ngname =~ /\.[0-9]+\z/) {
warn "mailbox name invalid: newsgroup=`$ngname'\n";
return;
}
my $ce = $cache->{$ngname};
%$ibx = (%$ibx, %$ce) if $ce;
# only valid if msgmap and over works:
if (defined($ibx->uidvalidity)) {
# fill ->{mailboxes}:
PublicInbox::IMAP::ensure_slices_exist($imapd, $ibx);
# preload to avoid fragmentation:
$ibx->description;
# ensure dummies are selectable:
do {
$dummies->{$ngname} = $dummy;
} while ($ngname =~ s/\.[^\.]+\z//);
}
delete @$ibx{qw(mm over)};
}
sub refresh_groups {
my ($self, $sig) = @_;
my $pi_cfg = PublicInbox::Config->new;
$self->{mailboxes} = $pi_cfg->{-imap_mailboxes} // do {
my $mailboxes = $self->{mailboxes} = {};
my $cache = eval { $pi_cfg->ALL->misc->nntpd_cache_load } // {};
my $dummies = {};
$pi_cfg->each_inbox(\&_refresh_ibx, $self, $cache, $dummies);
%$mailboxes = (%$dummies, %$mailboxes);
@{$pi_cfg->{-imap_mailboxlist}} = map { $_->[2] }
sort { $a->[0] cmp $b->[0] || $a->[1] <=> $b->[1] }
map {
# capitalize "INBOX" for user-familiarity
my $u = $_;
$u =~ s/\Ainbox(\.|\z)/INBOX$1/i;
if ($mailboxes->{$_} == $dummy) {
[ $u, -1,
qq[* LIST (\\HasChildren) "." $u\r\n]]
} else {
$u =~ /\A(.+)\.([0-9]+)\z/ or die
"BUG: `$u' has no slice digit(s)";
[ $1, $2 + 0, '* LIST '.
qq[(\\HasNoChildren) "." $u\r\n] ]
}
} keys %$mailboxes;
$pi_cfg->{-imap_mailboxes} = $mailboxes;
};
$self->{mailboxlist} = $pi_cfg->{-imap_mailboxlist} //
die 'BUG: no mailboxlist';
$self->{pi_cfg} = $pi_cfg;
if (my $idler = $self->{idler}) {
$idler->refresh($pi_cfg);
}
}
sub idler_start {
$_[0]->{idler} //= PublicInbox::InboxIdle->new($_[0]->{pi_cfg});
}
sub event_step { # called vai requeue for low-priority IMAP clients
my ($self) = @_;
my $imap = shift(@{$self->{-authed_q}}) // return;
PublicInbox::DS::requeue($self) if scalar(@{$self->{-authed_q}});
$imap->event_step; # PublicInbox::IMAP::event_step
}
1;