173 lines
5.4 KiB
Perl
173 lines
5.4 KiB
Perl
package Lemonldap::NG::Portal::Plugins::BruteForceProtection;
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use strict;
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use Mouse;
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use Lemonldap::NG::Portal::Main::Constants qw(
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PE_OK
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PE_WAIT
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);
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our $VERSION = '2.0.14';
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extends 'Lemonldap::NG::Portal::Main::Plugin';
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# INITIALIZATION
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use constant afterSub => { setPersistentSessionInfo => 'run' };
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has lockTimes => (
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is => 'rw',
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isa => 'ArrayRef',
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default => sub { [] }
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);
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has maxAge => (
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is => 'rw',
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isa => 'Int'
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);
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has maxFailed => (
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is => 'rw',
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isa => 'Int'
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);
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sub init {
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my ($self) = @_;
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$self->maxFailed( abs $self->conf->{bruteForceProtectionMaxFailed} );
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if ( $self->conf->{disablePersistentStorage} ) {
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$self->logger->error(
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'"BruteForceProtection" plugin enabled WITHOUT persistent session storage"'
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);
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return 0;
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}
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unless ( $self->conf->{loginHistoryEnabled} ) {
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$self->logger->error(
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'"BruteForceProtection" plugin enabled WITHOUT "History" plugin');
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return 0;
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}
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unless ( $self->conf->{failedLoginNumber} >= $self->maxFailed ) {
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$self->logger->error( 'Number of failed logins history ('
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. $self->conf->{failedLoginNumber}
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. ') must be higher than allowed failed logins attempt ('
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. $self->maxFailed
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. ')' );
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return 0;
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}
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my $maxAge = $self->conf->{bruteForceProtectionMaxAge} || 300;
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if ( $self->conf->{bruteForceProtectionIncrementalTempo} ) {
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my $lockTimes = @{ $self->lockTimes } =
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sort { $a <=> $b }
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map {
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$_ =~ s/\D//;
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abs $_ < $self->conf->{bruteForceProtectionMaxLockTime}
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? abs $_
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: ()
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}
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grep { /\d+/ }
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split /\s*,\s*/, $self->conf->{bruteForceProtectionLockTimes};
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unless ($lockTimes) {
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@{ $self->lockTimes } = ( 15, 30, 60, 300, 600 );
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$lockTimes = 5;
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}
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for ( my $i = 1 ; $i < $self->maxFailed ; $i++ ) {
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unshift @{ $self->lockTimes }, 0;
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$lockTimes++;
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}
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unless ( $lockTimes <= $self->conf->{failedLoginNumber} ) {
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$self->logger->warn( 'Number failed logins history ('
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. $self->conf->{failedLoginNumber}
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. ') must be higher than incremental lock time values plus allowed failed logins attempt ('
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. "$lockTimes)" );
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splice @{ $self->lockTimes }, $self->conf->{failedLoginNumber};
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$lockTimes = $self->conf->{failedLoginNumber};
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}
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my $sum =
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$maxAge * ( 1 + $self->conf->{failedLoginNumber} - $lockTimes );
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$sum += $_ foreach @{ $self->lockTimes };
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$self->maxAge($sum);
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}
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else {
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$self->maxAge( $maxAge * ( 1 + $self->maxFailed ) );
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}
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return 1;
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}
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# RUNNING METHOD
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sub run {
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my ( $self, $req ) = @_;
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my $now = time;
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my $countFailed = my @failedLogins =
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map { ( $now - $_->{_utime} ) <= $self->maxAge ? $_ : () }
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@{ $req->sessionInfo->{_loginHistory}->{failedLogin} };
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$self->logger->debug( ' -> Failed login maxAge = ' . $self->maxAge );
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$self->logger->debug(
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"Number of failed login(s) to take into account = $countFailed");
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my $lastFailedLoginEpoch = $failedLogins[0]->{_utime} || undef;
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if ( $self->conf->{bruteForceProtectionIncrementalTempo} ) {
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return PE_OK unless $lastFailedLoginEpoch;
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# Delta between current attempt and last failed login
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my $delta = $now - $lastFailedLoginEpoch;
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$self->logger->debug(" -> Delta = $delta");
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# Time to wait
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my $waitingTime = $self->lockTimes->[ $countFailed - 1 ]
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// $self->conf->{bruteForceProtectionMaxLockTime};
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# Reach last tempo. Stop to increase waiting time
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if ( $countFailed >= scalar @{ $self->lockTimes } ) {
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$self->userLogger->warn(
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"BruteForceProtection: Last lock time has been reached");
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$self->logger->debug("Force waitingTime to last value");
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$waitingTime =
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$self->lockTimes->[ scalar @{ $self->lockTimes } - 1 ];
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}
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$self->logger->debug(" -> Waiting time = $waitingTime");
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# Delta < waitingTime => wait
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if ( $waitingTime && $delta < $waitingTime ) {
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$self->userLogger->warn("BruteForceProtection enabled");
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$req->authResult(PE_WAIT);
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# Do not store failed login if last tempo or max tempo is reached
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$self->p->registerLogin( $req, $req->{user} )
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if ( $waitingTime < $self->conf->{bruteForceProtectionMaxLockTime}
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&& $waitingTime <
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$self->lockTimes->[ scalar @{ $self->lockTimes } - 1 ] );
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$req->lockTime( $waitingTime - $delta );
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return PE_WAIT;
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}
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return PE_OK;
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}
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return PE_OK
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if ( $countFailed < $self->maxFailed );
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# Delta between current attempt and last failed login
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my $delta = $lastFailedLoginEpoch ? $now - $lastFailedLoginEpoch : 0;
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$self->logger->debug(" -> Delta = $delta");
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# Delta < Tempo => wait
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return PE_OK
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unless ( $delta < $self->conf->{bruteForceProtectionTempo}
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&& $countFailed );
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# Account locked
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$self->userLogger->warn("BruteForceProtection enabled");
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$self->logger->debug(
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" -> Waiting time = $self->{conf}->{bruteForceProtectionTempo}");
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$req->lockTime( $self->conf->{bruteForceProtectionTempo} - $delta );
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return PE_WAIT;
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}
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1;
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