#!/usr/bin/perl -w
-# Copyright (C) 2013-2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2013-2019 all contributors <meta@public-inbox.org>
# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
#
# Mail delivery agent for public-inbox, run from your MTA upon mail delivery
use strict;
use warnings;
-my $usage = 'public-inbox-mda < rfc2822_message';
+my $usage = 'public-inbox-mda [OPTIONS] < rfc2822_message';
+my $precheck = grep(/\A--no-precheck\z/, @ARGV) ? 0 : 1;
my ($ems, $emm);
sub do_exit {
use PublicInbox::Config;
use PublicInbox::Emergency;
use PublicInbox::Filter::Base;
-use PublicInbox::Spamcheck::Spamc;
use PublicInbox::InboxWritable;
+use PublicInbox::Spamcheck;
# n.b: hopefully we can setup the emergency path without bailing due to
# user error, we really want to setup the emergency destination ASAP
$ems->prepare(\$str);
my $simple = Email::Simple->new(\$str);
my $config = PublicInbox::Config->new;
-
+my $key = 'publicinboxmda.spamcheck';
+my $default = 'PublicInbox::Spamcheck::Spamc';
+my $spamc = PublicInbox::Spamcheck::get($config, $key, $default);
+my $dst;
my $recipient = $ENV{ORIGINAL_RECIPIENT};
-defined $recipient or die "ORIGINAL_RECIPIENT not defined in ENV\n";
-my $dst = $config->lookup($recipient); # first check
-defined $dst or do_exit(67); # EX_NOUSER 5.1.1 user unknown
+if (defined $recipient) {
+ $dst = $config->lookup($recipient); # first check
+}
+if (!defined $dst) {
+ my $list_id = $simple->header('List-Id');
+ if (defined $list_id && $list_id =~ /<[ \t]*(.+)?[ \t]*>/) {
+ $dst = $config->lookup_list_id($1);
+ }
+ if (!defined $dst && !defined $recipient) {
+ die "ORIGINAL_RECIPIENT not defined in ENV\n";
+ }
+ defined $dst or do_exit(67); # EX_NOUSER 5.1.1 user unknown
+}
$dst->{mainrepo} or do_exit(67);
$dst = PublicInbox::InboxWritable->new($dst);
# pre-check, MDA has stricter rules than an importer might;
-do_exit(0) unless PublicInbox::MDA->precheck($simple, $dst->{address});
-my $spamc = PublicInbox::Spamcheck::Spamc->new;
-$str = '';
-my $spam_ok = $spamc->spamcheck($ems->fh, \$str);
+if ($precheck && !PublicInbox::MDA->precheck($simple, $dst->{address})) {
+ do_exit(0);
+}
$simple = undef;
-$emm = PublicInbox::Emergency->new($emergency);
-$emm->prepare(\$str);
-$ems = $ems->abort;
+my $spam_ok;
+if ($spamc) {
+ $str = '';
+ $spam_ok = $spamc->spamcheck($ems->fh, \$str);
+ # update the emergency dump with the new message:
+ $emm = PublicInbox::Emergency->new($emergency);
+ $emm->prepare(\$str);
+ $ems = $ems->abort;
+} else { # no spam checking configured:
+ $spam_ok = 1;
+ $emm = $ems;
+ my $fh = $emm->fh;
+ read($fh, $str, -s $fh);
+}
+
my $mime = PublicInbox::MIME->new(\$str);
-$str = '';
do_exit(0) unless $spam_ok;
my $fcfg = $dst->{filter} || '';
$! = 65; # EX_DATAERR 5.6.0 data format error
die $filter->err, "\n";
} # else { accept
+$filter = undef;
PublicInbox::MDA->set_list_headers($mime, $dst);
my $im = $dst->importer(0);