OIDC: do not advertise missing functionality (#1194)

Back-Channel logout is not supported yet

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Attributes.pm

@@ -2210,10 +2210,6 @@ qr/^(?:\*\.)?(?:(?:(?:(?:[a-zA-Z0-9][-a-zA-Z0-9]*)?[a-zA-Z0-9])[.])*(?:[a-zA-Z][
             'select'  => [ {
                     'k' => 'front',
                     'v' => 'Front Channel'
-                },
-                {
-                    'k' => 'back',
-                    'v' => 'Back Channel'
                 }
             ],
             'type' => 'select'

lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build/Attributes.pm

@@ -3983,7 +3983,8 @@ m{^(?:ldapi://[^/]*/?|\w[\w\-\.]*(?::\d{1,5})?|ldap(?:s|\+tls)?://\w[\w\-\.]*(?:
             type   => 'select',
             select => [
                 { k => 'front', v => 'Front Channel' },
-                { k => 'back',  v => 'Back Channel' },
+                #TODO #1194
+                # { k => 'back',  v => 'Back Channel' },
             ],
             default       => 'front',
             documentation => 'Logout type',

lemonldap-ng-manager/site/htdocs/static/js/conftree.js

@@ -596,10 +596,6 @@ function templates(tpl,key) {
                      {
                         "k" : "front",
                         "v" : "Front Channel"
-                     },
-                     {
-                        "k" : "back",
-                        "v" : "Back Channel"
                      }
                   ],
                   "title" : "oidcRPMetaDataOptionsLogoutType",

lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Issuer/OpenIDConnect.pm

@@ -2023,7 +2023,7 @@ sub logout {
                           . '</iframe>' );
                 }
                 else {
-                    # TODO
+                    # TODO #1194
                 }
             }
         }
@@ -2097,8 +2097,8 @@ sub metadata {
             introspection_endpoint => $baseUrl . $introspection_uri,
 
             # Logout capabilities
-            backchannel_logout_supported          => JSON::true,
-            backchannel_logout_session_supported  => JSON::true,
+            backchannel_logout_supported          => JSON::false,
+            backchannel_logout_session_supported  => JSON::false,
             frontchannel_logout_supported         => JSON::true,
             frontchannel_logout_session_supported => JSON::true,
             (