X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FIMAPD.pm;h=b24097a2453c10783aa334484ba3920d329d85b5;hp=1922c16046a3119723e560eb18fdfc010bbc9bd2;hb=23af251dd607c4e75ab1e68063f2c885c48cc035;hpb=acb6cf984053115ed6dc5ed673786ed99e1f098d

diff --git a/lib/PublicInbox/IMAPD.pm b/lib/PublicInbox/IMAPD.pm
index 1922c160..b24097a2 100644
--- a/lib/PublicInbox/IMAPD.pm
+++ b/lib/PublicInbox/IMAPD.pm
@@ -1,33 +1,127 @@
-# 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
 package PublicInbox::IMAPD;
 use strict;
-use parent qw(PublicInbox::NNTPD);
+use v5.10.1;
+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_cfg => PublicInbox::Config
 		# idler => PublicInbox::InboxIdle
 	}, $class;
 }
 
+sub imapd_refresh_ibx { # pi_cfg->each_inbox cb
+	my ($ibx, $imapd) = @_;
+	my $ngname = $ibx->{newsgroup} or return;
+
+	# We require lower-case since IMAP mailbox names are
+	# case-insensitive (but -nntpd matches INN in being
+	# case-sensitive
+	if ($ngname =~ m![^a-z0-9/_\.\-\~\@\+\=:]! ||
+			# don't confuse with 50K slices
+			$ngname =~ /\.[0-9]+\z/) {
+		warn "mailbox name invalid: newsgroup=`$ngname'\n";
+		return;
+	}
+	$ibx->over or return;
+	$ibx->{over} = undef;
+
+	# 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"
+	eval { $ibx->uidvalidity };
+	my $mm = delete($ibx->{mm}) or return;
+	defined($ibx->{uidvalidity}) or return;
+	PublicInbox::IMAP::ensure_slices_exist($imapd, $ibx, $mm->max);
+
+	# 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_cfg) = @_;
+	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->{mailboxlist} = [
+		map { $_->[2] }
+		sort { $a->[0] cmp $b->[0] || $a->[1] <=> $b->[1] }
+		map {
+			my $u = $_; # capitalize "INBOX" for user-familiarity
+			$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,
+				  qq[* LIST (\\HasNoChildren) "." $u\r\n] ]
+			}
+		} keys %$mailboxes
+	];
+	$imapd->{pi_cfg} = $pi_cfg;
+	if (my $idler = $imapd->{idler}) {
+		$idler->refresh($pi_cfg);
+	}
+}
+
+sub imapd_refresh_step { # PublicInbox::ConfigIter cb
+	my ($pi_cfg, $section, $imapd) = @_;
+	if (defined($section)) {
+		return if $section !~ m!\Apublicinbox\.([^/]+)\z!;
+		my $ibx = $pi_cfg->lookup_name($1) or return;
+		imapd_refresh_ibx($ibx, $imapd->{imapd_next});
+	} else { # undef == "EOF"
+		imapd_refresh_finalize($imapd, $pi_cfg);
+	}
+}
+
 sub refresh_groups {
-	my ($self) = @_;
-	if (my $old_idler = delete $self->{idler}) {
-		$old_idler->close; # PublicInbox::DS::close
+	my ($self, $sig) = @_;
+	my $pi_cfg = PublicInbox::Config->new;
+	if ($sig) { # SIGHUP is handled through the event loop
+		$self->{imapd_next} = { dummies => {}, mailboxes => {} };
+		my $iter = PublicInbox::ConfigIter->new($pi_cfg,
+						\&imapd_refresh_step, $self);
+		$iter->event_step;
+	} else { # initial start is synchronous
+		$self->{dummies} = {};
+		$pi_cfg->each_inbox(\&imapd_refresh_ibx, $self);
+		imapd_refresh_finalize($self, $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});
 }
 
 1;