#!/usr/bin/perl -w
-# Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
-# License: AGPLv3 or later (https://www.gnu.org/licenses/agpl-3.0.txt)
+# Copyright (C) 2014-2021 all contributors <meta@public-inbox.org>
+# License: AGPL-3.0+ <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";
+my $help = <<EOF;
+usage: public-inbox-learn [OPTIONS] [spam|ham|rm] </path/to/RFC2822_message
+
+required action argument:
+
+ spam unindex the message and train as spam
+ rm remove the message without training as spam
+ ham index the message (based on To:/Cc: headers) and train as ham
+
+options:
+
+ --all scan all inboxes on `rm'
+
+See public-inbox-learn(1) man page for full documentation.
+EOF
use strict;
-use warnings;
use PublicInbox::Config;
-use PublicInbox::Git;
-use PublicInbox::Import;
-use Email::MIME;
-use Email::MIME::ContentType;
-$Email::MIME::ContentType::STRICT_PARAMS = 0; # user input is imperfect
+use PublicInbox::InboxWritable;
+use PublicInbox::Eml;
use PublicInbox::Address;
-use PublicInbox::Spawn qw(spawn);
-my $train = shift or die "usage: $usage\n";
-if ($train !~ /\A(?:ham|spam)\z/) {
- die "`$train' not recognized.\nusage: $usage\n";
+use PublicInbox::Spamcheck::Spamc;
+use Getopt::Long qw(:config gnu_getopt no_ignore_case auto_abbrev);
+my %opt = (all => 0);
+GetOptions(\%opt, qw(all help|h)) or die $help;
+
+my $train = shift or die $help;
+if ($train !~ /\A(?:ham|spam|rm)\z/) {
+ die "`$train' not recognized.\n$help";
}
+die "--all only works with `rm'\n" if $opt{all} && $train ne 'rm';
-my $pi_config = PublicInbox::Config->new;
+my $spamc = PublicInbox::Spamcheck::Spamc->new;
+my $pi_cfg = PublicInbox::Config->new;
my $err;
-my $mime = Email::MIME->new(eval {
- local $/;
- my $data = scalar <STDIN>;
- $data =~ s/\AFrom [^\r\n]*\r?\n//s;
- eval {
- my @cmd = (qw(spamc -L), $train);
- my ($r, $w);
- pipe($r, $w) or die "pipe failed: $!";
- open my $null, '>', '/dev/null' or
- die "failed to open /dev/null: $!";
- my $nullfd = fileno($null);
- my %rdr = (0 => fileno($r), 1 => $nullfd, 2 => $nullfd);
- my $pid = spawn(\@cmd, undef, \%rdr);
- close $null;
- close $r or die "close \$r failed: $!";
- print $w $data or die "print \$w failed: $!";
- close $w or die "close \$w failed: $!";
- waitpid($pid, 0);
- die "spamc failed with: $?\n" if $?;
- };
- $err = $@;
- $data
-});
+my $mime = PublicInbox::Eml->new(do{
+ defined(my $data = do { local $/; <STDIN> }) or die "read STDIN: $!\n";
+ $data =~ s/\A[\r\n]*From [^\r\n]*\r?\n//s;
-# get all recipients
-my %dests;
-foreach my $h (qw(Cc To)) {
- my $val = $mime->header($h) or next;
- foreach my $email (PublicInbox::Address::emails($val)) {
- $dests{lc($email)} = 1;
+ if ($train ne 'rm') {
+ eval {
+ if ($train eq 'ham') {
+ $spamc->hamlearn(\$data);
+ } elsif ($train eq 'spam') {
+ $spamc->spamlearn(\$data);
+ }
+ die "spamc failed with: $?\n" if $?;
+ };
+ $err = $@;
}
-}
+ \$data
+});
-require PublicInbox::MDA if $train eq "ham";
+sub remove_or_add ($$$$) {
+ my ($ibx, $train, $mime, $addr) = @_;
-# 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 $git = PublicInbox::Git->new($git_dir);
# We do not touch GIT_COMMITTER_* env here so we can track
# who trained the message.
- my $name = $ENV{GIT_COMMITTER_NAME} || $dst->{inbox};
- my $email = $ENV{GIT_COMMITTER_EMAIL} || $recipient;
- my $im = PublicInbox::Import->new($git, $name, $email);
+ $ibx->{name} = $ENV{GIT_COMMITTER_NAME} // $ibx->{name};
+ $ibx->{-primary_address} = $ENV{GIT_COMMITTER_EMAIL} // $addr;
+ $ibx = PublicInbox::InboxWritable->new($ibx);
+ my $im = $ibx->importer(0);
- if ($train eq "spam") {
+ if ($train eq "rm") {
# 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
- $im->remove($mime);
- } else { # $train eq "ham"
+ $im->remove($mime, $train);
+ } elsif ($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, $dst);
+ PublicInbox::MDA->set_list_headers($mime, $ibx);
# Ham messages are trained when they're marked into
# a SEEN state, so this is idempotent:
$im->add($mime);
}
$im->done;
- eval {
- require PublicInbox::SearchIdx;
- PublicInbox::SearchIdx->new($git_dir, 2)->index_sync;
- };
+}
+
+# spam is removed from all known inboxes since it is often Bcc:-ed
+if ($train eq 'spam' || ($train eq 'rm' && $opt{all})) {
+ $pi_cfg->each_inbox(sub {
+ my ($ibx) = @_;
+ $ibx = PublicInbox::InboxWritable->new($ibx);
+ my $im = $ibx->importer(0);
+ $im->remove($mime, $train);
+ $im->done;
+ });
+} else {
+ require PublicInbox::MDA;
+
+ # get all recipients
+ my %dests; # address => <PublicInbox::Inbox|0(false)>
+ for ($mime->header('Cc'), $mime->header('To')) {
+ foreach my $addr (PublicInbox::Address::emails($_)) {
+ $addr = lc($addr);
+ $dests{$addr} //= $pi_cfg->lookup($addr) // 0;
+ }
+ }
+
+ # n.b. message may be cross-posted to multiple public-inboxes
+ my %seen;
+ while (my ($addr, $ibx) = each %dests) {
+ next unless ref($ibx); # $ibx may be 0
+ next if $seen{"$ibx"}++;
+ remove_or_add($ibx, $train, $mime, $addr);
+ }
+ my $dests = PublicInbox::MDA->inboxes_for_list_id($pi_cfg, $mime);
+ for my $ibx (@$dests) {
+ next if $seen{"$ibx"}++;
+ remove_or_add($ibx, $train, $mime, $ibx->{-primary_address});
+ }
}
if ($err) {