lemonldap-ng/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Plugins/BruteForceProtection.pm

120 lines
4.0 KiB
Perl

package Lemonldap::NG::Portal::Plugins::BruteForceProtection;
use strict;
use Mouse;
use Lemonldap::NG::Portal::Main::Constants qw(PE_OK PE_WAIT);
our $VERSION = '2.0.8';
extends 'Lemonldap::NG::Portal::Main::Plugin';
# INITIALIZATION
use constant afterData => 'run';
sub init {
my ($self) = @_;
if ( $self->conf->{disablePersistentStorage} ) {
$self->logger->error(
'"BruteForceProtection" plugin enabled WITHOUT persistent session storage"'
);
return 0;
}
unless ( $self->conf->{loginHistoryEnabled} ) {
$self->logger->error(
'"BruteForceProtection" plugin enabled WITHOUT "History" plugin');
return 0;
}
unless ( $self->conf->{failedLoginNumber} >
$self->conf->{bruteForceProtectionMaxFailed} )
{
$self->logger->error( 'failedLoginNumber('
. $self->conf->{failedLoginNumber}
. ') must be higher than bruteForceProtectionMaxFailed('
. $self->conf->{bruteForceProtectionMaxFailed}
. ')' );
return 0;
}
return 1;
}
# RUNNING METHOD
sub run {
my ( $self, $req ) = @_;
my $now = time;
my @failedLogins = grep {
( $now - $_->{_utime} ) < $self->conf->{bruteForceProtectionMaxAge}
? $_
: ()
} @{ $req->sessionInfo->{_loginHistory}->{failedLogin} };
my $countFailed = @failedLogins;
$self->logger->debug(
" Failed login maxAge = $self->{conf}->{bruteForceProtectionMaxAge}");
$self->logger->debug(
" Number of failed login(s) to take into account = $countFailed");
if ( $self->conf->{bruteForceProtectionIncrementalTempo} ) {
my @incrementalTempo = split /\s+/,
$self->conf->{bruteForceProtectionLockTimes}
|| ( 5, 15, 60, 300, 600 );
$self->logger->warn( 'Number of incremental lock time values ('
. scalar @incrementalTempo
. ') is higher than failed logins history ('
. $self->conf->{failedLoginNumber}
. ')' )
if ( scalar @incrementalTempo > $self->conf->{failedLoginNumber} );
my $lastFailedLoginEpoch = $failedLogins[0]->{_utime} || undef;
return PE_OK unless $lastFailedLoginEpoch;
my $delta = $now - $lastFailedLoginEpoch;
$self->logger->debug(" -> Delta = $delta");
my $waitingTime = $incrementalTempo[ $countFailed - 1 ]
|| $self->conf->{bruteForceProtectionMaxLockTime};
$self->logger->debug(" -> Waiting time = $waitingTime");
unless ( $delta > $waitingTime ) {
$self->logger->debug("BruteForceProtection enabled");
return PE_WAIT;
}
return PE_OK;
}
return PE_OK
if ( $countFailed <= $self->conf->{bruteForceProtectionMaxFailed} );
my @lastFailedLoginEpoch = ();
my $MaxAge = $self->conf->{bruteForceProtectionMaxAge} + 1;
# Auth_N-2 failed login epoch
foreach ( 0 .. $self->conf->{bruteForceProtectionMaxFailed} - 1 ) {
push @lastFailedLoginEpoch,
$req->sessionInfo->{_loginHistory}->{failedLogin}->[$_]->{_utime}
if ( $req->sessionInfo->{_loginHistory}->{failedLogin}->[$_] );
}
# If Auth_N-MaxFailed older than MaxAge -> another try allowed
$MaxAge =
$lastFailedLoginEpoch[0] -
$lastFailedLoginEpoch[ $self->conf->{bruteForceProtectionMaxFailed} - 1 ]
if $self->conf->{bruteForceProtectionMaxFailed};
$self->logger->debug(" -> MaxAge = $MaxAge");
return PE_OK
if ( $MaxAge > $self->conf->{bruteForceProtectionMaxAge} );
# Delta between the two last failed logins -> Auth_N - Auth_N-1
my $delta =
defined $lastFailedLoginEpoch[1] ? $now - $lastFailedLoginEpoch[1] : 0;
$self->logger->debug(" -> Delta = $delta");
# Delta between the two last failed logins < Tempo => wait
return PE_OK
unless ( $delta <= $self->conf->{bruteForceProtectionTempo} );
# Account locked
$self->logger->debug("BruteForceProtection enabled");
return PE_WAIT;
}
1;