juzu.plugin.authz.AuthzManager Maven / Gradle / Ivy
/*
* Copyright 2013 eXo Platform SAS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package juzu.plugin.authz;
import juzu.Response;
import juzu.impl.request.Request;
import juzu.impl.request.RequestFilter;
import juzu.impl.request.Stage;
import juzu.request.SecurityContext;
import javax.annotation.security.DenyAll;
import javax.annotation.security.PermitAll;
import javax.annotation.security.RolesAllowed;
import java.lang.reflect.Method;
/**
* @author Julien Viet
*/
public class AuthzManager implements RequestFilter {
@Override
public Class getStageType() {
return Stage.Handler.class;
}
@Override
public Response handle(Stage.Handler argument) {
Request request = argument.getRequest();
// Search for annotation on the method
Method method = request.getHandler().getMethod();
RolesAllowed rolesAllowed = method.getAnnotation(RolesAllowed.class);
PermitAll permitAll = method.getAnnotation(PermitAll.class);
DenyAll denyAll = method.getAnnotation(DenyAll.class);
// Look at parent if nothing found at method level
if (rolesAllowed == null && permitAll == null && denyAll == null) {
Class controllerClass = method.getDeclaringClass();
rolesAllowed = controllerClass.getAnnotation(RolesAllowed.class);
denyAll = controllerClass.getAnnotation(DenyAll.class);
}
//
boolean ok = false;
if (denyAll != null) {
ok = false;
} else if (rolesAllowed != null) {
SecurityContext securityContext = request.getSecurityContext();
for (String role : rolesAllowed.value()) {
if (securityContext.isUserInRole(role)) {
ok = true;
break;
}
}
} else {
ok = true;
}
//
if (!ok) {
return new Response.Error.Forbidden("Access denied");
} else {
return argument.invoke();
}
}
}