128 lines
3.2 KiB
Perl
128 lines
3.2 KiB
Perl
package C4::Auth_with_cas;
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# Copyright 2009 BibLibre SARL
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#
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# This file is part of Koha.
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#
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# Koha is free software; you can redistribute it and/or modify it under the
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# terms of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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#
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# Koha is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along with
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# Koha; if not, write to the Free Software Foundation, Inc., 59 Temple Place,
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# Suite 330, Boston, MA 02111-1307 USA
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use strict;
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use C4::Debug;
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use C4::Context;
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use C4::Utils qw( :all );
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use Authen::CAS::Client;
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use CGI;
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use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS $debug);
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BEGIN {
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require Exporter;
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$VERSION = 3.03; # set the version for version checking
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$debug = $ENV{DEBUG};
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@ISA = qw(Exporter);
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@EXPORT = qw(checkpw_cas login_cas logout_cas login_cas_url);
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}
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my $context = C4::Context->new() or die 'C4::Context->new failed';
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my $casserver = C4::Context->preference('casServerUrl');
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# Logout from CAS
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sub logout_cas {
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my ($query) = @_;
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my $cas = Authen::CAS::Client->new($casserver);
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print $query->redirect($cas->logout_url(url => %ENV->{'SCRIPT_URI'}));
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}
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# Login to CAS
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sub login_cas {
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my ($query) = @_;
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my $cas = Authen::CAS::Client->new($casserver);
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print $query->redirect($cas->login_url(%ENV->{'SCRIPT_URI'}));
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}
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# Returns CAS login URL with callback to the requesting URL
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sub login_cas_url {
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my $cas = Authen::CAS::Client->new($casserver);
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return $cas->login_url(%ENV->{'SCRIPT_URI'});
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}
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# Checks for password correctness
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# In our case : is there a ticket, is it valid and does it match one of our users ?
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sub checkpw_cas {
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$debug and warn "checkpw_cas";
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my ($dbh, $ticket, $query) = @_;
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my $retnumber;
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my $cas = Authen::CAS::Client->new($casserver);
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# If we got a ticket
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if ($ticket) {
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$debug and warn "Got ticket : $ticket";
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# We try to validate it
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my $val = $cas->service_validate(%ENV->{'SCRIPT_URI'}, $ticket);
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# If it's valid
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if( $val->is_success() ) {
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my $userid = $val->user();
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$debug and warn "User CAS authenticated as: $userid";
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# Does it match one of our users ?
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my $sth = $dbh->prepare("select cardnumber from borrowers where userid=?");
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$sth->execute($userid);
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if ( $sth->rows ) {
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$retnumber = $sth->fetchrow;
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return (1, $retnumber, $userid);
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}
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my $sth = $dbh->prepare("select userid from borrowers where cardnumber=?");
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$sth->execute($userid);
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if ( $sth->rows ) {
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$retnumber = $sth->fetchrow;
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return (1, $retnumber, $userid);
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}
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# If we reach this point, then the user is a valid CAS user, but not a Koha user
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$debug and warn "User $userid is not a valid Koha user";
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} else {
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$debug and warn "Invalid session ticket : $ticket";
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return 0;
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}
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}
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return 0;
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}
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1;
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__END__
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=head1 NAME
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C4::Auth - Authenticates Koha users
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=head1 SYNOPSIS
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use C4::Auth_with_cas;
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=cut
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=head1 SEE ALSO
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CGI(3)
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Authen::CAS::Client
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=cut
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