2016-12-20 13:19:26 +01:00
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package Lemonldap::NG::Portal::Issuer::CAS;
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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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2016-12-21 06:32:38 +01:00
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PE_CAS_SERVICE_NOT_ALLOWED
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PE_CONFIRM
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PE_ERROR
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PE_LOGOUT_OK
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2016-12-20 13:19:26 +01:00
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PE_OK
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);
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our $VERSION = '2.0.0';
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extends 'Lemonldap::NG::Portal::Main::Issuer',
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'Lemonldap::NG::Portal::Lib::CAS';
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# INITIALIZATION
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sub init {
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my ($self) = @_;
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# Launch parents initialization subroutines, then launch IdP en SP lists
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return ( $self->Lemonldap::NG::Portal::Main::Issuer::init() );
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}
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# RUNNING METHODS
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# Main method (launched only for authenticated users, see Main/Issuer)
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sub run {
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my ( $self, $req, $target ) = @_;
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# CAS URL
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my $cas_login = 'login';
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my $cas_logout = 'logout';
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my $cas_validate = 'validate';
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my $cas_serviceValidate = 'serviceValidate';
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my $cas_proxyValidate = 'proxyValidate';
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my $cas_proxy = 'proxy';
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# Called URL
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my $url = $req->uri();
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# Session ID
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my $session_id = $req->{sessionInfo}->{_session_id} || $req->{id};
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# Session creation timestamp
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my $time = $req->{sessionInfo}->{_utime} || time();
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# 1. LOGIN
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if ( $target eq $cas_login ) {
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$self->lmLog( "URL $url detected as an CAS LOGIN URL", 'debug' );
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# GET parameters
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my $service = $self->getHiddenFormValue( $req, 'service' )
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|| $req->param('service');
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my $renew =
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$self->getHiddenFormValue( $req, 'renew' ) || $req->param('renew');
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my $gateway = $self->getHiddenFormValue( $req, 'gateway' )
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|| $req->param('gateway');
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my $casServiceTicket;
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# Renew
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if ( $renew eq 'true' ) {
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# Authentication must be replayed
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$self->lmLog( "Authentication renew requested", 'debug' );
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$self->{updateSession} = 1;
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$req->steps(
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[
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@{ $self->p->beforeAuth },
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$self->p->authProcess,
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@{ $self->p->betweenAuthAndDatas },
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$self->p->sessionDatas,
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@{ $self->p->afterDatas },
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]
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);
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return PE_OK;
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}
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# If no service defined, exit
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unless ( defined $service ) {
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$self->lmLog( "No service defined in CAS URL", 'debug' );
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return PE_OK;
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}
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# Check access on the service
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my $casAccessControlPolicy = $self->conf->{casAccessControlPolicy};
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if ( $casAccessControlPolicy =~ /^(error|faketicket)$/i ) {
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$self->lmLog( "CAS access control requested on service $service",
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'debug' );
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## HERE
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if ( $self->_grant($service) ) {
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$self->lmLog( "CAS service $service access allowed", 'debug' );
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}
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else {
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$self->lmLog( "CAS service $service access not allowed",
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'error' );
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if ( $casAccessControlPolicy =~ /^(error)$/i ) {
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$self->lmLog(
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"Return error instead of redirecting user on CAS service",
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'debug'
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);
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return PE_CAS_SERVICE_NOT_ALLOWED;
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}
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else {
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$self->lmLog(
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"Redirect user on CAS service with a fake ticket",
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'debug' );
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$casServiceTicket = "ST-F4K3T1CK3T";
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}
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}
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}
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unless ($casServiceTicket) {
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# Check last authentication time to decide if
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# the authentication is recent or not
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my $casRenewFlag = 0;
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my $last_authn_utime = $self->{sessionInfo}->{_lastAuthnUTime} || 0;
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if (
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time() - $last_authn_utime < $self->{portalForceAuthnInterval} )
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{
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$self->lmLog(
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"Authentication is recent, will set CAS renew flag to true",
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'debug'
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);
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$casRenewFlag = 1;
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}
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# Create a service ticket
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$self->lmLog( "Create a CAS service ticket for service $service",
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'debug' );
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my $casServiceSession = $self->getCasSession();
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unless ($casServiceSession) {
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$self->lmLog( "Unable to create CAS session", 'error' );
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return PE_ERROR;
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}
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my $Sinfos;
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$Sinfos->{type} = 'casService';
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$Sinfos->{service} = $service;
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$Sinfos->{renew} = $casRenewFlag;
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$Sinfos->{_cas_id} = $session_id;
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$Sinfos->{_utime} = $time;
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$casServiceSession->update($Sinfos);
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my $casServiceSessionID = $casServiceSession->id;
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$casServiceTicket = "ST-" . $casServiceSessionID;
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$self->lmLog( "CAS service session $casServiceSessionID created",
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'debug' );
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}
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# Redirect to service
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my $service_url = $service;
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$service_url .= (
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$service =~ /\?/
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? '&ticket=' . $casServiceTicket
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: '?ticket=' . $casServiceTicket
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);
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$self->lmLog( "Redirect user to $service_url", 'debug' );
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$self->{urldc} = $service_url;
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return $self->_subProcess(qw(autoRedirect));
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}
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# 2. LOGOUT
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if ( $target eq $cas_logout ) {
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$self->lmLog( "URL $url detected as an CAS LOGOUT URL", 'debug' );
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# GET parameters
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my $logout_url = $self->param('url');
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# Delete linked CAS sessions
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$self->deleteCasSecondarySessions($session_id);
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# Delete local session
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unless (
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$self->_deleteSession( $self->getApacheSession( $session_id, 1 ) ) )
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{
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$self->lmLog( "Fail to delete session $session_id ", 'error' );
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}
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if ($logout_url) {
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# Display a link to the provided URL
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$self->lmLog( "Logout URL $logout_url will be displayed", 'debug' );
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2016-12-21 06:32:38 +01:00
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$self->info(
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'<h3 trmsg="back2CasUrl">The application you just logged out of has provided a link it would like you to follow</h3>'
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);
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$self->info("<p><a href=\"$logout_url\">$logout_url</a></p>");
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$self->{activeTimer} = 0;
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return PE_CONFIRM;
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}
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return PE_LOGOUT_OK;
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}
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# 3. VALIDATE [CAS 1.0]
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if ( $target eq $cas_validate ) {
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$self->lmLog( "URL $url detected as an CAS VALIDATE URL", 'debug' );
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# This URL must not be called by authenticated users
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$self->lmLog(
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"CAS VALIDATE URL called by authenticated user, ignore it",
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'info' );
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return PE_OK;
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}
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# 4. SERVICE VALIDATE [CAS 2.0]
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if ( $target eq $cas_serviceValidate ) {
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$self->lmLog( "URL $url detected as an CAS SERVICE VALIDATE URL",
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'debug' );
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# This URL must not be called by authenticated users
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$self->lmLog(
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"CAS SERVICE VALIDATE URL called by authenticated user, ignore it",
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'info'
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);
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return PE_OK;
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}
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# 5. PROXY VALIDATE [CAS 2.0]
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if ( $target eq $cas_proxyValidate ) {
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$self->lmLog( "URL $url detected as an CAS PROXY VALIDATE URL",
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'debug' );
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# This URL must not be called by authenticated users
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$self->lmLog(
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"CAS PROXY VALIDATE URL called by authenticated user, ignore it",
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'info' );
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return PE_OK;
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}
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# 6. PROXY [CAS 2.0]
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if ( $target eq $cas_proxy ) {
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$self->lmLog( "URL $url detected as an CAS PROXY URL", 'debug' );
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# This URL must not be called by authenticated users
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$self->lmLog( "CAS PROXY URL called by authenticated user, ignore it",
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'info' );
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return PE_OK;
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}
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return PE_OK;
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}
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sub logout {
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my ( $self, $req ) = @_;
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# Session ID
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my $session_id = $req->{sessionInfo}->{_session_id} || $req->{id};
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# Delete linked CAS sessions
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$self->deleteCasSecondarySessions($session_id);
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return PE_OK;
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}
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1;
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__END__
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=head1 NAME
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=encoding utf8
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Lemonldap::NG::Portal::Issuer::CAS - CAS Issuer for LemonLDAP::NG
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=head1 DESCRIPTION
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CAS Issuer implementation in LemonLDAP::NG
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=head1 SEE ALSO
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L<Lemonldap::NG::Portal>,
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L<http://www.jasig.org/cas/protocol>
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=head1 AUTHOR
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=over
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=item Clement Oudot, E<lt>clem.oudot@gmail.comE<gt>
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=item François-Xavier Deltombe, E<lt>fxdeltombe@gmail.com.E<gt>
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=item Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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=back
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=head1 BUG REPORT
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Use OW2 system to report bug or ask for features:
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L<http://jira.ow2.org>
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=head1 DOWNLOAD
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Lemonldap::NG is available at
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L<http://forge.objectweb.org/project/showfiles.php?group_id=274>
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=head1 COPYRIGHT AND LICENSE
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=over
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=item Copyright (C) 2010-2016 by Xavier Guimard, E<lt>x.guimard@free.frE<gt>
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=item Copyright (C) 2012 by François-Xavier Deltombe, E<lt>fxdeltombe@gmail.com.E<gt>
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=item Copyright (C) 2010-2012 by Clement Oudot, E<lt>clem.oudot@gmail.comE<gt>
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=back
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see L<http://www.gnu.org/licenses/>.
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=cut
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