# see script/public-inbox-imapd for how it is used
package PublicInbox::IMAPD;
use strict;
-use parent qw(PublicInbox::NNTPD);
+use PublicInbox::Config;
+use PublicInbox::ConfigIter;
use PublicInbox::InboxIdle;
+use PublicInbox::IMAP;
+use PublicInbox::DummyInbox;
+my $dummy = bless { uidvalidity => 0 }, 'PublicInbox::DummyInbox';
sub new {
my ($class) = @_;
bless {
- groups => {},
+ mailboxes => {},
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"
- for (@names) {
- my $up = $_;
- while ($up =~ s/\.[^\.]+\z//) {
- $ns{$up} = '\\Noselect \\HasChildren';
- }
+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";
+ return;
+ } elsif ($ngname =~ m![^a-z0-9/_\.\-\~\@\+\=:]! ||
+ $ngname =~ /\.[0-9]+\z/) {
+ warn "mailbox name invalid: newsgroup=`$ngname'\n";
+ return;
}
- @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;
-}
+ $ibx->over or return;
+ $ibx->{over} = undef;
+ my $mm = $ibx->mm or return;
+ $ibx->{mm} = undef;
-sub refresh_groups {
- my ($self) = @_;
- my $pi_config = $self->{pi_config} = PublicInbox::Config->new;
- $self->SUPER::refresh_groups($pi_config);
- refresh_inboxlist($self);
+ # RFC 3501 2.3.1.1 - "A good UIDVALIDITY value to use in
+ # this case is a 32-bit representation of the creation
+ # date/time of the mailbox"
+ defined($ibx->{uidvalidity} = $mm->created_at) or return;
+ PublicInbox::IMAP::ensure_slices_exist($imapd, $ibx, $mm->max // 0);
- if (my $idler = $self->{idler}) {
+ # preload to avoid fragmentation:
+ $ibx->description;
+ $ibx->base_url;
+
+ # ensure dummies are selectable
+ my $dummies = $imapd->{dummies};
+ do {
+ $dummies->{$ngname} = $dummy;
+ } while ($ngname =~ s/\.[^\.]+\z//);
+}
+
+sub imapd_refresh_finalize {
+ my ($imapd, $pi_config) = @_;
+ my $mailboxes;
+ if (my $next = delete $imapd->{imapd_next}) {
+ $imapd->{mailboxes} = delete $next->{mailboxes};
+ $mailboxes = delete $next->{dummies};
+ } else {
+ $mailboxes = delete $imapd->{dummies};
+ }
+ %$mailboxes = (%$mailboxes, %{$imapd->{mailboxes}});
+ $imapd->{mailboxes} = $mailboxes;
+ $imapd->{inboxlist} = [
+ map {
+ my $no = $mailboxes->{$_} == $dummy ? '' : 'No';
+ my $u = $_; # capitalize "INBOX" for user-familiarity
+ $u =~ s/\Ainbox(\.|\z)/INBOX$1/i;
+ qq[* LIST (\\Has${no}Children) "." $u\r\n]
+ } keys %$mailboxes
+ ];
+ $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, $imapd->{imapd_next});
+ } else { # undef == "EOF"
+ imapd_refresh_finalize($imapd, $pi_config);
+ }
+}
+
+sub refresh_groups {
+ my ($self, $sig) = @_;
+ my $pi_config = PublicInbox::Config->new;
+ if ($sig) { # SIGHUP is handled through the event loop
+ $self->{imapd_next} = { dummies => {}, mailboxes => {} };
+ my $iter = PublicInbox::ConfigIter->new($pi_config,
+ \&imapd_refresh_step, $self);
+ $iter->event_step;
+ } else { # initial start is synchronous
+ $self->{dummies} = {};
+ $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});
}