Closes #210 "Ajax request in menu to check if session is always available"

modules/lemonldap-ng-portal/example/skins/common/portal.js

@@ -94,4 +94,22 @@ function isHiddenFormValueSet(option){
 		return false;
 	}
 }
+function ping() {
+	$.ajax({type:"POST",
+	url:scriptname,
+	data:{ping:1},
+	dataType:'json',
+	success:function(data){
+		if(!data.auth){
+			location.reload(true);
+		}
+		else{
+			setTimeout('ping();',60000);
+		}
+	}/*,
+	error:function(xhr, ajaxOptions, thrownError){
+		alert('Request failed Error code: '+xhr.status+', '+thrownError);
+	}*/
+	});
+}
 

modules/lemonldap-ng-portal/example/skins/impact/menu.tpl

@@ -73,5 +73,10 @@
     </div>
   </div>
 
+<!-- Keep session alive -->
+<script type="text/javascript">
+	scriptname='<TMPL_VAR NAME="SCRIPT_NAME">';
+	setTimeout('ping();',60000);
+</script>
 <TMPL_INCLUDE NAME="footer.tpl">
 

modules/lemonldap-ng-portal/example/skins/pastel/menu.tpl

@@ -166,5 +166,9 @@
 	</div>
 
 	</div>
-
+<!-- Keep session alive -->
+<script type="text/javascript">
+	scriptname='<TMPL_VAR NAME="SCRIPT_NAME">';
+	setTimeout('ping();',60000);
+</script>
 <TMPL_INCLUDE NAME="footer.tpl">

modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Display.pm

@@ -99,6 +99,7 @@ sub display {
                 DISPLAY_MODULES     => $self->{menuDisplayModules},
                 APPSLIST_MENU => $self->{menuAppslistMenu},  # For old templates
                 APPSLIST_DESC => $self->{menuAppslistDesc},  # For old templates
+                SCRIPT_NAME   => $ENV{SCRIPT_NAME},
             );
 
         }

modules/lemonldap-ng-portal/lib/Lemonldap/NG/Portal/Simple.pm

@@ -1523,6 +1523,7 @@ sub controlExistingSession {
                 $self->_subProcess(qw(autoPost)) if ( $self->{postUrl} );
 
                 # Display logout message
+                untie %$h;
                 return PE_LOGOUT_OK;
             }
 
@@ -1533,6 +1534,13 @@ sub controlExistingSession {
                 $self->_sub( 'removeOther', $id );
             }
             untie %$h;
+
+            # Special ajax request "ping" to check if session is available
+            if ( $self->param('ping') ) {
+                print $self->header( -type => 'application/json' )
+                  . '{"auth":true}';
+                $self->quit();
+            }
             $self->{id} = $id;
 
             # A session has been found => call existingSession
@@ -1551,6 +1559,10 @@ sub controlExistingSession {
 
     # Display logout success if logout asked
     # and we do not have valid session
+    if ( $self->param('ping') ) {
+        print $self->header( -type => 'application/json' ) . '{"auth":false}';
+        $self->quit();
+    }
     return PE_LOGOUT_OK if $self->param('logout');
 
     # Else continue authentication process