]> Sergey Matveev's repositories - public-inbox.git/blobdiff - lib/PublicInbox/IMAPD.pm
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[public-inbox.git] / lib / PublicInbox / IMAPD.pm
index 1922c16046a3119723e560eb18fdfc010bbc9bd2..78323e57c851ac664120109f9eb4c0a1ee9b85e9 100644 (file)
-# Copyright (C) 2020 all contributors <meta@public-inbox.org>
+# Copyright (C) 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
+# represents an IMAPD, see script/public-inbox-imapd for how it is used
 package PublicInbox::IMAPD;
 use strict;
-use parent qw(PublicInbox::NNTPD);
+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 {
-               groups => {},
+               # mailboxes => {},
                err => \*STDERR,
                out => \*STDOUT,
-               grouplist => [],
-               # accept_tls => { SSL_server => 1, ..., SSL_reuse_ctx => ... }
+               # 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) = @_;
-       if (my $old_idler = delete $self->{idler}) {
-               $old_idler->close; # PublicInbox::DS::close
+       my ($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);
        }
-       my $pi_config = PublicInbox::Config->new;
-       $self->{idler} = PublicInbox::InboxIdle->new($pi_config);
-       $self->SUPER::refresh_groups($pi_config);
+}
+
+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;