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| | # Copyright (C) 2020 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
# represents an IMAPD (currently a singleton),
# see script/public-inbox-imapd for how it is used
package PublicInbox::IMAPD;
use strict;
use parent qw(PublicInbox::NNTPD);
use PublicInbox::InboxIdle;
use PublicInbox::IMAP;
# *UID_BLOCK = \&PublicInbox::IMAP::UID_BLOCK;
sub new {
my ($class) = @_;
bless {
groups => {},
err => \*STDERR,
out => \*STDOUT,
grouplist => [],
# accept_tls => { SSL_server => 1, ..., SSL_reuse_ctx => ... }
# pi_config => PublicInbox::Config
# idler => PublicInbox::InboxIdle
}, $class;
}
sub refresh_inboxlist ($) {
my ($self) = @_;
my @names = map { $_->{newsgroup} } @{delete $self->{grouplist}};
my %ns; # "\Noselect \HasChildren"
if (my @uc = grep(/[A-Z]/, @names)) {
warn "Uppercase not allowed for IMAP newsgroup(s):\n",
map { "\t$_\n" } @uc;
my %uc = map { $_ => 1 } @uc;
@names = grep { !$uc{$_} } @names;
}
for (@names) {
my $up = $_;
while ($up =~ s/\.[^\.]+\z//) {
$ns{$up} = '\\Noselect \\HasChildren';
}
}
@names = map {;
my $at = delete($ns{$_}) ? '\\HasChildren' : '\\HasNoChildren';
qq[* LIST ($at) "." $_\r\n]
} @names;
push(@names, map { qq[* LIST ($ns{$_}) "." $_\r\n] } keys %ns);
@names = sort {
my ($xa) = ($a =~ / (\S+)\r\n/g);
my ($xb) = ($b =~ / (\S+)\r\n/g);
length($xa) <=> length($xb);
} @names;
$self->{inboxlist} = \@names;
}
sub imapd_refresh_ibx { # pi_config->each_inbox cb
my ($ibx, $imapd) = @_;
my $ngname = $ibx->{newsgroup} or return;
if (ref $ngname) {
warn 'multiple newsgroups not supported: '.
join(', ', @$ngname). "\n";
} elsif ($ngname =~ m![^a-z0-9/_\.\-\~\@\+\=:]! ||
$ngname =~ /\.[0-9]+-[0-9]+\z/) {
warn "mailbox name invalid: `$ngname'\n";
}
my $mm = $ibx->mm or return;
$ibx->{mm} = undef;
defined($ibx->{uidvalidity} = $mm->created_at) or return;
$imapd->{tmp_groups}->{$ngname} = $ibx;
# preload to avoid fragmentation:
$ibx->description;
$ibx->base_url;
# my $max = $mm->max // 0;
# my $uid_min = UID_BLOCK * int($max/UID_BLOCK) + 1;
}
sub imapd_refresh_finalize {
my ($imapd, $pi_config) = @_;
$imapd->{groups} = delete $imapd->{tmp_groups};
$imapd->{grouplist} = [ values %{$imapd->{groups}} ];
refresh_inboxlist($imapd);
$imapd->{pi_config} = $pi_config;
if (my $idler = $imapd->{idler}) {
$idler->refresh($pi_config);
}
}
sub imapd_refresh_step { # pi_config->iterate_start cb
my ($pi_config, $section, $imapd) = @_;
if (defined($section)) {
return if $section !~ m!\Apublicinbox\.([^/]+)\z!;
my $ibx = $pi_config->lookup_name($1) or return;
imapd_refresh_ibx($ibx, $imapd);
} else { # "EOF"
imapd_refresh_finalize($imapd, $pi_config);
}
}
sub refresh_groups {
my ($self, $sig) = @_;
my $pi_config = PublicInbox::Config->new;
$self->{tmp_groups} = {};
if (0 && $sig) { # SIGHUP
$pi_config->iterate_start(\&imapd_refresh_step, $self);
PublicInbox::DS::requeue($pi_config); # call event_step
} else { # initial start
$pi_config->each_inbox(\&imapd_refresh_ibx, $self);
imapd_refresh_finalize($self, $pi_config);
}
}
sub idler_start {
$_[0]->{idler} //= PublicInbox::InboxIdle->new($_[0]->{pi_config});
}
1;
|