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|
=head1 NAME
Mail::SpamAssassin::Plugin::OneLineBodyRuleType - spamassassin body test plugin
=cut
package Mail::SpamAssassin::Plugin::OneLineBodyRuleType;
use Mail::SpamAssassin::Plugin;
use Mail::SpamAssassin::Logger;
use Mail::SpamAssassin::Util qw(untaint_var);
use Mail::SpamAssassin::Constants qw(:sa);
use strict;
use warnings;
use re 'taint';
our @ISA = qw();
# constructor
sub new {
my $class = shift;
$class = ref($class) || $class;
my $self = {};
bless ($self, $class);
return $self;
}
###########################################################################
sub check_rules_at_priority {
my ($self, $params) = @_;
my $pms = $params->{permsgstatus};
my $checkobj = $params->{checkobj};
my $priority = $params->{priority};
Mail::SpamAssassin::Plugin::Check::do_one_line_body_tests($checkobj,
$pms, $priority);
}
sub check_start {
my ($self, $params) = @_;
my $pms = $params->{permsgstatus};
my $conf = $pms->{conf};
# this method runs before the body ruleset is compiled, but after
# finish_tests(). perfect spot to remove rules from the body
# set and add to another set...
my $test_set = $conf->{body_tests};
foreach my $pri (keys %{$test_set})
{
foreach my $rulename (keys %{$test_set->{$pri}})
{
if ($conf->{generate_body_one_line_sub}->{$rulename}) {
# add the rule to the one-liner set
$conf->{one_line_body_tests}->{$pri} ||= { };
$conf->{one_line_body_tests}->{$pri}->{$rulename} =
$test_set->{$pri}->{$rulename};
}
if ($conf->{skip_body_rules}->{$rulename}) {
# remove from the body set
delete $test_set->{$pri}->{$rulename};
}
}
}
}
sub check_cleanup {
my ($self, $params) = @_;
my $pms = $params->{permsgstatus};
my $scoresptr = $pms->{conf}->{scores};
# Force all body rules ready for meta rules. Need to do it here in
# cleanup, because the body is scanned per line instead of per rule
if ($pms->{conf}->{skip_body_rules}) {
foreach (keys %{$pms->{conf}->{skip_body_rules}}) {
$pms->rule_ready($_, 1) if $scoresptr->{$_};
}
}
}
###########################################################################
1;
# inject this method into the Check plugin's namespace
# TODO: we need a better way to define new ruletypes via plugin
package Mail::SpamAssassin::Plugin::Check;
sub do_one_line_body_tests {
my ($self, $pms, $priority) = @_;
# TODO: should have a consttype for plugin-defined "alien" rule types,
# probably something like TYPE_ALIEN_TESTS. it's only used as a key
# for {user_rules_of_type}, so that should be fine
$self->run_generic_tests ($pms, $priority,
consttype => $Mail::SpamAssassin::Conf::TYPE_BODY_TESTS,
type => 'one_line_body',
testhash => $pms->{conf}->{one_line_body_tests},
args => [ ],
loop_body => sub
{
my ($self, $pms, $conf, $rulename, $pat, %opts) = @_;
my $sub = '
my ($self, $line) = @_;
my $qrptr = $self->{main}->{conf}->{test_qrs};
';
if (($conf->{tflags}->{$rulename}||'') =~ /\bmultiple\b/)
{
$sub .= '
my $hitsptr = $self->{tests_already_hit};
';
# support multiple matches
my ($max) = $conf->{tflags}->{$rulename} =~ /\bmaxhits=(\d+)\b/;
$max = untaint_var($max);
if ($max) {
$sub .= '
if ($hitsptr->{q{'.$rulename.'}}) {
return 0 if $hitsptr->{q{'.$rulename.'}} >= '.$max.';
}
';
}
# avoid [perl #86784] bug (fixed in 5.13.x), access the arg through ref
$sub .= '
my $lref = \$line;
pos $$lref = 0;
'.$self->hash_line_for_rule($pms, $rulename).'
while ($$lref =~ /$qrptr->{q{'.$rulename.'}}/gop) {
$self->got_hit(q{'.$rulename.'}, "BODY: ", ruletype => "one_line_body");
'. $self->hit_rule_plugin_code($pms, $rulename, "one_line_body", "") . '
'. ($max? 'last if $hitsptr->{q{'.$rulename.'}} >= '.$max.';' : '') . '
}
';
} else {
$sub .= '
'.$self->hash_line_for_rule($pms, $rulename).'
if ($line =~ /$qrptr->{q{'.$rulename.'}}/op) {
$self->got_hit(q{'.$rulename.'}, "BODY: ", ruletype => "one_line_body");
'. $self->hit_rule_plugin_code($pms, $rulename, "one_line_body", "return 1") . '
}
';
}
# Make sure rule is marked ready for meta rules
$sub .= '
$self->rule_ready(q{'.$rulename.'}, 1);
';
return if ($opts{doing_user_rules} &&
!$self->is_user_rule_sub($rulename.'_one_line_body_test'));
$self->add_temporary_method ($rulename.'_one_line_body_test', $sub);
},
pre_loop_body => sub
{
my ($self, $pms, $conf, %opts) = @_;
$self->add_evalstr($pms, '
my $bodytext = $self->get_decoded_stripped_body_text_array();
$self->{main}->call_plugins("run_body_fast_scan", {
permsgstatus => $self, ruletype => "body",
priority => '.$opts{priority}.', lines => $bodytext
});
');
});
}
###########################################################################
1;
|
