138 lines
3.5 KiB
Perl
138 lines
3.5 KiB
Perl
# U2F second factor authentication
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#
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# This plugin handle authentications to ask U2F second factor for users that
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# have registered their U2F key
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package Lemonldap::NG::Portal::Plugins::U2F;
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use 5.16.0;
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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_ERROR
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PE_OK
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PE_SENDRESPONSE
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PE_U2FFAILED
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);
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our $VERSION = '2.0.0';
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extends 'Lemonldap::NG::Portal::Main::SecondFactor',
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'Lemonldap::NG::Portal::Lib::U2F';
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# INITIALIZATION
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has rule => ( is => 'rw' );
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has prefix => ( is => 'ro', default => 'u' );
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sub init {
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my ($self) = @_;
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return 0
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unless ( $self->Lemonldap::NG::Portal::Main::SecondFactor::init()
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and $self->Lemonldap::NG::Portal::Lib::U2F::init() );
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1;
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}
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# RUNNING METHODS
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# Main method
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sub run {
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my ( $self, $req, $token ) = @_;
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my ( $kh, $uk );
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# Check if user is registered
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if ( my $res = $self->loadUser( $req->sessionInfo ) ) {
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return PE_ERROR if ( $res == -1 );
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my $challenge = $self->crypter->authenticationChallenge;
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my $tmp = $self->p->sendHtml(
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$req,
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'u2fcheck',
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params => {
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SKIN => $self->conf->{portalSkin},
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CHALLENGE => $challenge,
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TOKEN => $token
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}
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);
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$self->logger->debug("Prepare U2F verification");
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$req->response($tmp);
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return PE_SENDRESPONSE;
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}
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return PE_OK;
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}
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sub verify {
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my ( $self, $req, $session ) = @_;
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# Check U2F signature
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if ( my $resp = $req->param('signature') ) {
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unless ( $self->loadUser($session) == 1 ) {
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$req->error(PE_ERROR);
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return $self->fail($req);
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}
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if ( $self->crypter->authenticationVerify($resp) ) {
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$self->userLogger->info('U2F signature verified');
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return PE_OK;
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}
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else {
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$self->userLogger->notice( 'Invalid U2F signature for '
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. $session->{ $self->conf->{whatToTrace} } . ' ('
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. Crypt::U2F::Server::u2fclib_getError()
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. ')' );
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$req->error(PE_U2FFAILED);
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$req->authResult(PE_U2FFAILED);
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return $self->fail($req);
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}
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}
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else {
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$self->userLogger->notice( 'No U2F response for user'
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. $session->{ $self->conf->{whatToTrace} } );
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$req->authResult(PE_U2FFAILED);
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return $self->fail($req);
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}
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}
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sub fail {
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my ( $self, $req ) = @_;
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$req->response(
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$self->p->sendHtml(
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$req,
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'u2fcheck',
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params => {
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AUTH_ERROR => $req->error,
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AUTH_ERROR_TYPE => $req->error_type,
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SKIN => $self->conf->{portalSkin},
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FAILED => 1
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}
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)
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);
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return PE_SENDRESPONSE;
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}
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sub loadUser {
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my ( $self, $session ) = @_;
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my ( $kh, $uk );
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if ( ( $kh = $session->{_u2fKeyHandle} )
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and ( $uk = $session->{_u2fUserKey} ) )
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{
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$self->crypter->{keyHandle} = $self->decode_base64url($kh);
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$self->crypter->{publicKey} = $self->decode_base64url($uk);
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unless ($self->crypter->setKeyHandle
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and $self->crypter->setPublicKey )
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{
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$self->logger->error(
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'U2F error: ' . Crypt::U2F::Server::u2fclib_getError() );
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return -1;
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}
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return 1;
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}
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else {
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$self->userLogger->info("U2F: user not registered");
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return 0;
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}
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}
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1;
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