#!/usr/bin/perl -w
# Copyright (C) 2014-2015 all contributors
# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
#
# Used for training spam (via SpamAssassin) and removing messages from a
# public-inbox
my $usage = "$0 (spam|ham) < /path/to/message";
use strict;
use warnings;
use PublicInbox::Config;
use Email::MIME;
use Email::Address;
use IPC::Run qw/run/;
my $train = shift or die "usage: $usage\n";
if ($train !~ /\A(?:ham|spam)\z/) {
die "`$train' not recognized.\nusage: $usage\n";
}
my $pi_config = PublicInbox::Config->new;
my $mime = Email::MIME->new(eval {
local $/;
my $data = scalar ;
$data =~ s/\AFrom [^\r\n]*\r?\n//s;
$data
});
# get all recipients
my %dests;
foreach my $h (qw(Cc To)) {
foreach my $recipient (Email::Address->parse($mime->header($h))) {
$dests{lc($recipient->address)} = 1;
}
}
my ($name, $email, $date);
if ($train eq "ham") {
require PublicInbox::MDA;
require PublicInbox::Filter;
PublicInbox::Filter->run($mime);
($name, $email, $date) = PublicInbox::MDA->author_info($mime);
}
my $in = $mime->as_string;
my $err = 0;
my @output = qw(> /dev/null > /dev/null);
# n.b. message may be cross-posted to multiple public-inboxes
foreach my $recipient (keys %dests) {
my $dst = $pi_config->lookup($recipient) or next;
my $git_dir = $dst->{mainrepo} or next;
my ($out, $err) = ("", "");
# We do not touch GIT_COMMITTER_* env here so we can track
# who trained the message.
# We will not touch GIT_AUTHOR_* when learning spam messages, either
if ($train eq "spam") {
# This needs to be idempotent, as my inotify trainer
# may train for each cross-posted message, and this
# script already learns for every list in
# ~/.public-inbox/config
if (!run(["ssoma-rm", $git_dir], \$in, \$out, \$err)) {
if ($err !~ /^git cat-file .+ failed: 32768$/) {
$err = 1;
}
}
} else { # $train eq "ham"
# no checking for spam here, we assume the message has
# been reviewed by a human at this point:
PublicInbox::MDA->set_list_headers($mime, $dst);
my $s = $mime->as_string;
local $ENV{GIT_AUTHOR_NAME} = $name;
local $ENV{GIT_AUTHOR_EMAIL} = $email;
local $ENV{GIT_AUTHOR_DATE} = $date;
# Ham messages are trained when they're marked into
# a SEEN state, so this is idempotent:
run([PublicInbox::MDA->cmd, $git_dir], \$s, \$out, \$err);
if ($err !~ /CONFLICT/) {
$err = 1;
}
}
if (!run([qw(spamc -L), $train], \$in, @output)) {
$err = 1;
}
$err or eval {
require PublicInbox::SearchIdx;
PublicInbox::SearchIdx->new($git_dir, 2)->index_sync;
};
}
exit $err;