# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License along with
-# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
-# Suite 330, Boston, MA 02111-1307 USA
+# You should have received a copy of the GNU General Public License along
+# with Koha; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
use strict;
+use warnings;
use C4::Debug;
use C4::Context;
-use C4::Utils qw( :all );
use Authen::CAS::Client;
use CGI;
+use FindBin;
use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $debug);
BEGIN {
require Exporter;
- $VERSION = 3.03; # set the version for version checking
+ $VERSION = 3.07.00.049; # set the version for version checking
+ $debug = $ENV{DEBUG};
@ISA = qw(Exporter);
- @EXPORT = qw( checkpw_cas login_cas logout_cas );
+ @EXPORT = qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url);
+}
+my $context = C4::Context->new() or die 'C4::Context->new failed';
+my $defaultcasserver;
+my $casservers;
+my $yamlauthfile = "../C4/Auth_cas_servers.yaml";
+
+
+# If there's a configuration for multiple cas servers, then we get it
+if (multipleAuth()) {
+ ($defaultcasserver, $casservers) = YAML::LoadFile(qq($FindBin::Bin/$yamlauthfile));
+ $defaultcasserver = $defaultcasserver->{'default'};
+} else {
+# Else, we fall back to casServerUrl syspref
+ $defaultcasserver = 'default';
+ $casservers = { 'default' => C4::Context->preference('casServerUrl') };
}
+# Is there a configuration file for multiple cas servers?
+sub multipleAuth {
+ return (-e qq($FindBin::Bin/$yamlauthfile));
+}
-my $context = C4::Context->new() or die 'C4::Context->new failed';
-my $casserver = C4::Context->config("usecasserver") or die 'No "usecasserver" in KOHA_CONF: ' . $ENV{KOHA_CONF};
+# Returns configured CAS servers' list if multiple authentication is enabled
+sub getMultipleAuth {
+ return $casservers;
+}
+# Logout from CAS
sub logout_cas {
my ($query) = @_;
- my $cas = Authen::CAS::Client->new($casserver);
- warn $cas->logout_url();
- print $query->redirect($cas->logout_url());
-
+ my $uri = C4::Context->preference('OPACBaseURL') . $query->script_name();
+ my $casparam = $query->param('cas');
+ # FIXME: This should be more generic and handle whatever parameters there might be
+ $uri .= "?cas=" . $casparam if (defined $casparam);
+ $casparam = $defaultcasserver if (not defined $casparam);
+ my $cas = Authen::CAS::Client->new($casservers->{$casparam});
+ print $query->redirect( $cas->logout_url($uri));
}
+# Login to CAS
sub login_cas {
my ($query) = @_;
- my $cas = Authen::CAS::Client->new($casserver);
- warn $cas->login_url(%ENV->{'SCRIPT_URI'});
- print $query->redirect($cas->login_url(%ENV->{'SCRIPT_URI'}));
+ my $uri = C4::Context->preference('OPACBaseURL') . $query->script_name();
+ my $casparam = $query->param('cas');
+ # FIXME: This should be more generic and handle whatever parameters there might be
+ $uri .= "?cas=" . $casparam if (defined $casparam);
+ $casparam = $defaultcasserver if (not defined $casparam);
+ my $cas = Authen::CAS::Client->new($casservers->{$casparam});
+ print $query->redirect( $cas->login_url($uri));
+}
+
+# Returns CAS login URL with callback to the requesting URL
+sub login_cas_url {
+
+ my ($query, $key) = @_;
+ my $uri = C4::Context->preference('OPACBaseURL') . $query->url( -absolute => 1, -query => 1 );
+ my $casparam = $query->param('cas');
+ $casparam = $defaultcasserver if (not defined $casparam);
+ $casparam = $key if (defined $key);
+ my $cas = Authen::CAS::Client->new($casservers->{$casparam});
+ return $cas->login_url($uri);
}
+# Checks for password correctness
+# In our case : is there a ticket, is it valid and does it match one of our users ?
sub checkpw_cas {
- warn "checkpw_cas";
+ $debug and warn "checkpw_cas";
my ($dbh, $ticket, $query) = @_;
my $retnumber;
- my $cas = Authen::CAS::Client->new($casserver);
-
+ my $uri = C4::Context->preference('OPACBaseURL') . $query->script_name();
+ my $casparam = $query->param('cas');
+ # FIXME: This should be more generic and handle whatever parameters there might be
+ $uri .= "?cas=" . $casparam if (defined $casparam);
+ $casparam = $defaultcasserver if (not defined $casparam);
+ my $cas = Authen::CAS::Client->new($casservers->{$casparam});
+
+ # If we got a ticket
if ($ticket) {
- warn "Got ticket : $ticket";
- my $val = $cas->service_validate(%ENV->{'SCRIPT_URI'}, $ticket);
- if( $val->is_success() ) {
-
- my $userid = $val->user();
- warn "User authenticated as: $userid";
-
- my $sth = $dbh->prepare("select cardnumber from borrowers where userid=?");
- $sth->execute($userid);
- if ( $sth->rows ) {
- $retnumber = $sth->fetchrow;
- }
- my $sth = $dbh->prepare("select userid from borrowers where cardnumber=?");
- $sth->execute($userid);
- if ( $sth->rows ) {
- $retnumber = $sth->fetchrow;
- }
- return (1, $retnumber, $userid);
- } else {
- warn "Invalid session ticket";
- return 0;
- }
-
- } else {
- warn ("Don't have any ticket, let's go get one from the CAS server!");
- my $url = $cas->login_url(%ENV->{'SCRIPT_URI'});
- print $query->redirect($url);
+ $debug and warn "Got ticket : $ticket";
+
+ # We try to validate it
+ my $val = $cas->service_validate($uri, $ticket );
+
+ # If it's valid
+ if ( $val->is_success() ) {
+
+ my $userid = $val->user();
+ $debug and warn "User CAS authenticated as: $userid";
+
+ # 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 );
+ }
+ $sth = $dbh->prepare("select userid from borrowers where cardnumber=?");
+ $sth->execute($userid);
+ if ( $sth->rows ) {
+ $retnumber = $sth->fetchrow;
+ return ( 1, $retnumber, $userid );
+ }
+
+ # If we reach this point, then the user is a valid CAS user, but not a Koha user
+ $debug and warn "User $userid is not a valid Koha user";
+
+ } else {
+ $debug and warn "Problem when validating ticket : $ticket";
+ $debug and warn "Authen::CAS::Client::Response::Error: " . $val->error() if $val->is_error();
+ $debug and warn "Authen::CAS::Client::Response::Failure: " . $val->message() if $val->is_failure();
+ $debug and warn Data::Dumper::Dumper($@) if $val->is_error() or $val->is_failure();
+ return 0;
+ }
}
+ return 0;
+}
- warn "We should not reach this point";
+# Proxy CAS auth
+sub check_api_auth_cas {
+ $debug and warn "check_api_auth_cas";
+ my ($dbh, $PT, $query) = @_;
+ my $retnumber;
+ my $url = C4::Context->preference('OPACBaseURL') . $query->script_name();
+
+ my $casparam = $query->param('cas');
+ $casparam = $defaultcasserver if (not defined $casparam);
+ my $cas = Authen::CAS::Client->new($casservers->{$casparam});
+
+ # If we have a Proxy Ticket
+ if ($PT) {
+ my $r = $cas->proxy_validate( $url, $PT );
+
+ # If the PT is valid
+ if ( $r->is_success ) {
+
+ # We've got a username !
+ $debug and warn "User authenticated as: ", $r->user, "\n";
+ $debug and warn "Proxied through:\n";
+ $debug and warn " $_\n" for $r->proxies;
+
+ my $userid = $r->user;
+
+ # 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 );
+ }
+ $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 );
+ }
+
+ # If we reach this point, then the user is a valid CAS user, but not a Koha user
+ $debug and warn "User $userid is not a valid Koha user";
+
+ } else {
+ $debug and warn "Proxy Ticket authentication failed";
+ return 0;
+ }
+ }
return 0;
- #return(1, $retnumber);
}
+
1;
__END__
=cut
-=head1 KOHA_CONF <usecasserver>http://mycasserver/loginurl</usecasserver>
-
=head1 SEE ALSO
CGI(3)
projects / koha.git / blobdiff