From d2cf920a752415892ef5520545385cc1d58801a2 Mon Sep 17 00:00:00 2001
From: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Date: Thu, 11 Jan 2018 15:37:18 -0300
Subject: [PATCH] Bug 19160: Move the code from controller to C4::Auth_with_cas

---
 C4/Auth.pm          |  2 +-
 C4/Auth_with_cas.pm | 17 +++++++++++++++++
 opac/opac-user.pl   | 21 ++++-----------------
 3 files changed, 22 insertions(+), 18 deletions(-)

diff --git a/C4/Auth.pm b/C4/Auth.pm
index 97a741f..cdb6e88 100644
--- a/C4/Auth.pm
+++ b/C4/Auth.pm
@@ -86,7 +86,7 @@ BEGIN {
         }
     }
     if ($cas) {
-        import C4::Auth_with_cas qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url);
+        import C4::Auth_with_cas qw(check_api_auth_cas checkpw_cas login_cas logout_cas login_cas_url logout_required);
     }
 
 }
diff --git a/C4/Auth_with_cas.pm b/C4/Auth_with_cas.pm
index ba683cd..1459bca 100644
--- a/C4/Auth_with_cas.pm
+++ b/C4/Auth_with_cas.pm
@@ -228,6 +228,23 @@ sub _url_with_get_params {
     return $uri_base_part . $uri_params_part;
 }
 
+sub logout_required {
+    my ( $query ) = @_;
+    # Check we havent been hit by a logout call
+    my $xml = $query->param('logoutRequest');
+    if ($xml) {
+        my $dom = XML::LibXML->load_xml(string => $xml);
+        my $ticket;
+        foreach my $node ($dom->findnodes('/samlp:LogoutRequest')){
+            $ticket = $node->findvalue('./samlp:SessionIndex');
+        }
+        $query->param(-name =>'logout.x', -value => 1);
+        $query->param(-name =>'cas_ticket', -value => $ticket);
+        return 1;
+    }
+    return 0;
+}
+
 1;
 __END__
 
diff --git a/opac/opac-user.pl b/opac/opac-user.pl
index 2f4b238..f5380ce 100755
--- a/opac/opac-user.pl
+++ b/opac/opac-user.pl
@@ -60,22 +60,9 @@ BEGIN {
         import C4::External::BakerTaylor qw(&image_url &link_url);
     }
 }
-my $logout='';
-# CAS Single Sign Out
-if (C4::Context->preference('casAuthentication')){
-    # Check we havent been hit by a logout call
-    my $xml = $query->param('logoutRequest');
-    if ($xml) {
-        my $dom = XML::LibXML->load_xml(string => $xml);
-        my $ticket;
-        foreach my $node ($dom->findnodes('/samlp:LogoutRequest')){
-            $ticket = $node->findvalue('./samlp:SessionIndex');
-        }
-        $query->param(-name =>'logout.x', -value => 1);
-        $query->param(-name =>'cas_ticket', -value => $ticket);
-        $logout=1;
-    }
-}
+
+my $cas_logout_required = C4::Context->preference('casAuthentication')
+  and C4::Auth_with_ldap::logout_required($query);
 
 my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
     {
@@ -87,7 +74,7 @@ my ( $template, $borrowernumber, $cookie ) = get_template_and_user(
     }
 );
 
-if ($logout){
+if ($cas_logout_required){
     print $query->header;
     exit;
 }
-- 
2.1.4