#!/usr/bin/perl -w
-# Copyright (C) 2013-2015 all contributors <meta@public-inbox.org>
-# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+# 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, $emm);
sub do_exit {
}
use Email::Simple;
-use Email::MIME;
-use Email::MIME::ContentType;
-$Email::MIME::ContentType::STRICT_PARAMS = 0; # user input is imperfect
+use PublicInbox::MIME;
use PublicInbox::MDA;
use PublicInbox::Config;
-use PublicInbox::Import;
-use PublicInbox::Git;
use PublicInbox::Emergency;
use PublicInbox::Filter::Base;
-use PublicInbox::Spawn qw(popen_rd);
+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
my $emergency = $ENV{PI_EMERGENCY} || "$ENV{HOME}/.public-inbox/emergency/";
$ems = PublicInbox::Emergency->new($emergency);
my $str = eval { local $/; <STDIN> };
+$str =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
$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(1);
-my $main_repo = $dst->{mainrepo} or do_exit(1);
+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->{inboxdir} 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, $dst->{address});
-
-$str = '';
-my $spam_ok = do_spamc($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 $mime = Email::MIME->new(\$str);
-$str = '';
+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);
do_exit(0) unless $spam_ok;
my $fcfg = $dst->{filter} || '';
-my $filter;
-if ($fcfg eq 'scrub') { # TODO:
- require PublicInbox::Filter::Mirror;
- $filter = PublicInbox::Filter::Mirror->new;
-} else {
- $filter = PublicInbox::Filter::Base->new;
+# -mda defaults to the strict base filter
+if ($fcfg eq '') {
+ $dst->{filter} = 'PublicInbox::Filter::Base';
+} elsif ($fcfg eq 'scrub') { # legacy alias, undocumented, remove?
+ $dst->{filter} = 'PublicInbox::Filter::Mirror';
}
-
+my $filter = $dst->filter;
my $ret = $filter->delivery($mime);
if (ref($ret) && $ret->isa('Email::MIME')) { # filter altered message
$mime = $ret;
} elsif ($ret == PublicInbox::Filter::Base::IGNORE) {
do_exit(0); # chuck it to emergency
} elsif ($ret == PublicInbox::Filter::Base::REJECT) {
- $! = $ret;
+ $! = 65; # EX_DATAERR 5.6.0 data format error
die $filter->err, "\n";
} # else { accept
+$filter = undef;
PublicInbox::MDA->set_list_headers($mime, $dst);
-END { index_sync($main_repo) if $? == 0 };
-my $git = PublicInbox::Git->new($main_repo);
-my $im = PublicInbox::Import->new($git, $dst->{name}, $recipient);
+my $im = $dst->importer(0);
if (defined $im->add($mime)) {
- $im->done;
$emm = $emm->abort;
} else {
# this message is similar to what ssoma-mda shows:
$mime->header_obj->header_raw('Message-ID'),
" exists\n";
}
-do_exit(0);
-# we depend on "report_safe 0" in /etc/spamassassin/*.cf with --headers
-sub do_spamc {
- my ($in, $out) = @_;
- my $rdr = { 0 => fileno($in) };
- my ($fh, $pid) = popen_rd([qw/spamc -E --headers/], undef, $rdr);
- my $r;
- do {
- $r = sysread($fh, $$out, 65536, length($$out));
- } while (defined($r) && $r != 0);
- close $fh or die "close failed: $!\n";
- waitpid($pid, 0);
-
- ($? || $$out eq '') ? 0 : 1;
-}
-
-sub index_sync {
- my ($git_dir) = @_;
- eval {
- require PublicInbox::SearchIdx;
- PublicInbox::SearchIdx->new($git_dir, 2)->index_sync;
- };
-}
+$im->done;
+do_exit(0);