docs/CAS/CASProxy/examples/proxy_cas_callback.pl

   1 #!/usr/bin/perl
   2
   3 # Copyright 2009 SARL BibLibre
   4 #
   5 # This file is part of Koha.
   6 #
   7 # Koha is free software; you can redistribute it and/or modify it
   8 # under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # Koha is distributed in the hope that it will be useful, but
  13 # WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with Koha; if not, see <http://www.gnu.org/licenses>.
  19
  20 =head1 DESCRIPTION
  21
  22 # Here is an example of a callback page for a CAS Proxy
  23 # This is the page the CAS server will call back with a Proxy Ticket, allowing us (the foreign application)
  24 # to query koha webservices, being CAS authenticated
  25
  26 =cut
  27
  28 use Modern::Perl;
  29 use CGI qw ( -utf8 );
  30 use Authen::CAS::Client;
  31 use Storable qw(nstore_fd);
  32
  33 my $casServerUrl = 'https://localhost:8443/cas/';
  34 my $cas = Authen::CAS::Client->new($casServerUrl);
  35
  36 my $cgi = new CGI;
  37
  38 my $proxy_service = $cgi->url;
  39
  40 print $cgi->header({-type  =>  'text/html'});
  41 print $cgi->start_html("proxy cas callback");
  42
  43 # If we have a pgtId, it means the cas server called us back
  44 if ($cgi->param('pgtId')) {
  45     warn "Got a pgtId :" . $cgi->param('pgtId');
  46     warn "Got a pgtIou :" . $cgi->param('pgtIou');
  47     my $pgtIou =  $cgi->param('pgtIou');
  48     my $pgtId =  $cgi->param('pgtId');
  49
  50     # Now we store the pgtIou and the pgtId in the application vars (in our case a storable object in a file),
  51     # so that the page requesting the webservice can retrieve the pgtId matching it's PgtIou
  52     open my $fh, ">", "casSession.tmp" or die "Unable to open file";
  53     nstore_fd({$pgtIou => $pgtId}, $fh);
  54     close $fh;
  55
  56 } else {
  57     warn "Failed to get a Proxy Ticket\n";
  58 }
  59
  60 print $cgi->end_html;
  61