#!/usr/bin/perl -w
-# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net> and all contributors
+# Copyright (C) 2013-2015 all contributors <meta@public-inbox.org>
# License: AGPLv3 or later (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';
use Email::Filter;
+use Email::MIME;
use Email::Address;
use File::Path::Expand qw/expand_filename/;
use IPC::Run qw(run);
-use constant MDA => 'ssoma-mda';
-use PublicInbox;
+use PublicInbox::MDA;
use PublicInbox::Filter;
use PublicInbox::Config;
-# n.b: hopefully we can setup the failbox path without bailing due to
+# n.b: hopefully we can setup the emergency path without bailing due to
# user error, we really want to setup the emergency destination ASAP
# in case there's bugs in our code or user error.
-my $failbox = $ENV{PI_FAILBOX} || '~/public-inbox-fail.mbox';
-$failbox = expand_filename($failbox);
+my $emergency = $ENV{PI_EMERGENCY} || '~/.public-inbox/emergency/';
+$emergency = expand_filename($emergency);
# this reads the message from stdin
-my $filter = Email::Filter->new(emergency => $failbox);
+my $filter = Email::Filter->new(emergency => $emergency);
my $config = PublicInbox::Config->new;
-my $recipient = $ENV{RECIPIENT};
-defined $recipient or die "RECIPIENT not defined in ENV\n";
-my $dst = $config->lookup($recipient);
+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 exit(1);
my $main_repo = $dst->{mainrepo} or exit(1);
my $filtered; # string dest
-if (PublicInbox->precheck($filter, $recipient) &&
+if (PublicInbox::MDA->precheck($filter, $dst->{address}) &&
do_spamc($filter->simple, \$filtered)) {
# update our message with SA headers (in case our filter rejects it)
- my $simple = Email::Simple->new($filtered);
+ my $msg = Email::MIME->new(\$filtered);
$filtered = undef;
- $filter->simple($simple);
+ $filter->simple($msg);
- if (PublicInbox::Filter->run($simple)) {
+ my $filter_arg;
+ my $fcfg = $dst->{filter};
+ if (!defined $fcfg || $filter eq 'reject') {
+ $filter_arg = $filter;
+ } elsif ($fcfg eq 'scrub') {
+ $filter_arg = undef; # the default for legacy versions
+ } else {
+ warn "publicinbox.$dst->{listname}.filter=$fcfg invalid\n";
+ warn "must be either 'scrub' or 'reject' (the default)\n";
+ }
+
+ if (PublicInbox::Filter->run($msg, $filter_arg)) {
# run spamc again on the HTML-free message
- if (do_spamc($simple, \$filtered)) {
- $filter->simple(Email::Simple->new($filtered));
- $filter->pipe(MDA, '-1', $main_repo);
+ if (do_spamc($msg, \$filtered)) {
+ $msg = Email::MIME->new(\$filtered);
+ PublicInbox::MDA->set_list_headers($msg, $dst);
+ $filter->simple($msg);
+
+ my ($name, $email, $date) =
+ PublicInbox::MDA->author_info($msg);
+
+ END {
+ search_index_sync($main_repo) if ($? == 0);
+ };
+
+ local $ENV{GIT_AUTHOR_NAME} = $name;
+ local $ENV{GIT_AUTHOR_EMAIL} = $email;
+ local $ENV{GIT_AUTHOR_DATE} = $date;
+ local $ENV{GIT_COMMITTER_EMAIL} = $recipient;
+ local $ENV{GIT_COMMITTER_NAME} = $dst->{listname};
+
+ $filter->pipe(PublicInbox::MDA->cmd, $main_repo);
}
}
+} else {
+ # Ensure emergency spam gets spamassassin headers.
+ # This makes it easier to prioritize obvious spam from less obvious
+ if (defined($filtered) && $filtered ne '') {
+ my $drop = Email::MIME->new(\$filtered);
+ $filtered = undef;
+ $filter->simple($drop);
+ }
}
-exit 0; # goes to failbox
+exit 0; # goes to emergency
# we depend on "report_safe 0" in /etc/spamassassin/*.cf with --headers
# not using Email::Filter->pipe here since we want the stdout of
# the command even on failure (spamc will set $? on error).
sub do_spamc {
- my ($simple, $out) = @_;
+ my ($msg, $out) = @_;
eval {
- my $orig = $simple->as_string;
+ my $orig = $msg->as_string;
run([qw/spamc -E --headers/], \$orig, $out);
};
- return ($@ || $? || !defined($$out) || length($$out) == 0) ? 0 : 1;
+ return ($@ || $? || !defined($$out) || $$out eq '') ? 0 : 1;
+}
+
+sub search_index_sync {
+ my ($git_dir) = @_;
+ eval {
+ require PublicInbox::SearchIdx;
+ PublicInbox::SearchIdx->new($git_dir, 2)->index_sync;
+ };
}