use vars qw(@ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $debug);
BEGIN {
- require Exporter;
- $debug = $ENV{DEBUG};
- @ISA = qw(Exporter);
- @EXPORT = qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url);
+ require Exporter;
+ $debug = $ENV{DEBUG};
+ @ISA = qw(Exporter);
+ @EXPORT = qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url logout_if_required);
}
-my $context = C4::Context->new() or die 'C4::Context->new failed';
my $defaultcasserver;
my $casservers;
my $yamlauthfile = C4::Context->config('intranetdir') . "/C4/Auth_cas_servers.yaml";
$casservers = { 'default' => C4::Context->preference('casServerUrl') };
}
+=head1 Subroutines
+
+=cut
+
# Is there a configuration file for multiple cas servers?
sub multipleAuth {
return (-e qq($yamlauthfile));
sub logout_cas {
my ($query, $type) = @_;
my ( $cas, $uri ) = _get_cas_and_service($query, undef, $type);
- print $query->redirect( $cas->logout_url($uri));
+ $uri =~ s/\?logout\.x=1//; # We don't want to keep triggering a logout, if we got here, the borrower is already logged out of Koha
print $query->redirect( $cas->logout_url(url => $uri));
}
my $userid = $val->user();
$debug and warn "User CAS authenticated as: $userid";
+ # we should store the CAS ticekt too, we need this for single logout https://apereo.github.io/cas/4.2.x/protocol/CAS-Protocol-Specification.html#233-single-logout
+
# Does it match one of our users ?
my $sth = $dbh->prepare("select cardnumber from borrowers where userid=?");
$sth->execute($userid);
if ( $sth->rows ) {
$retnumber = $sth->fetchrow;
- return ( 1, $retnumber, $userid );
+ return ( 1, $retnumber, $userid, $ticket );
}
$sth = $dbh->prepare("select userid from borrowers where cardnumber=?");
$sth->execute($userid);
if ( $sth->rows ) {
$retnumber = $sth->fetchrow;
- return ( 1, $retnumber, $userid );
+ return ( 1, $retnumber, $userid, $ticket );
}
# If we reach this point, then the user is a valid CAS user, but not a Koha user
my $userid = $r->user;
+ # we should store the CAS ticket too, we need this for single logout https://apereo.github.io/cas/4.2.x/protocol/CAS-Protocol-Specification.html#233-single-logout
+
# Does it match one of our users ?
my $sth = $dbh->prepare("select cardnumber from borrowers where userid=?");
$sth->execute($userid);
if ( $sth->rows ) {
$retnumber = $sth->fetchrow;
- return ( 1, $retnumber, $userid );
+ return ( 1, $retnumber, $userid, $PT );
}
$sth = $dbh->prepare("select userid from borrowers where cardnumber=?");
return $r->user;
$sth->execute($userid);
if ( $sth->rows ) {
$retnumber = $sth->fetchrow;
- return ( 1, $retnumber, $userid );
+ return ( 1, $retnumber, $userid, $PT );
}
# If we reach this point, then the user is a valid CAS user, but not a Koha user
my $query = shift;
my $type = shift;
- my $uri_base_part = ($type eq 'opac') ?
- C4::Context->preference('OPACBaseURL') . get_script_name() :
- C4::Context->preference('staffClientBaseURL');
+ my $uri_base_part =
+ ( $type eq 'opac' )
+ ? C4::Context->preference('OPACBaseURL')
+ : C4::Context->preference('staffClientBaseURL');
+ $uri_base_part .= get_script_name();
my $uri_params_part = '';
foreach my $param ( $query->url_param() ) {
return $uri_base_part . $uri_params_part;
}
+=head2 logout_if_required
+
+ If using CAS, this subroutine will trigger single-signout of the CAS server.
+
+=cut
+
+sub logout_if_required {
+ my ( $query ) = @_;
+ # Check we havent been hit by a logout call
+ my $xml = $query->param('logoutRequest');
+ return 0 unless $xml;
+
+ my $dom = XML::LibXML->load_xml(string => $xml);
+ my $ticket;
+ foreach my $node ($dom->findnodes('/samlp:LogoutRequest')){
+ # We got a cas single logout request from a cas server;
+ $ticket = $node->findvalue('./samlp:SessionIndex');
+ }
+
+ return 0 unless $ticket;
+
+ # We've been called as part of the single logout destroy the session associated with the cas ticket
+ my $params = C4::Auth::_get_session_params();
+ my $success = CGI::Session->find( $params->{dsn}, sub {delete_cas_session(@_, $ticket)}, $params->{dsn_args} );
+
+ sub delete_cas_session {
+ my $session = shift;
+ my $ticket = shift;
+ if ($session->param('cas_ticket') && $session->param('cas_ticket') eq $ticket ) {
+ $session->delete;
+ $session->flush;
+ }
+ }
+
+ print $query->header;
+ exit;
+}
+
1;
__END__