| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.shiro.web.jaxrs; |
| |
| |
| import org.apache.shiro.authz.annotation.RequiresAuthentication; |
| import org.apache.shiro.authz.annotation.RequiresGuest; |
| import org.apache.shiro.authz.annotation.RequiresPermissions; |
| import org.apache.shiro.authz.annotation.RequiresRoles; |
| import org.apache.shiro.authz.annotation.RequiresUser; |
| import org.apache.shiro.authz.aop.AuthenticatedAnnotationHandler; |
| import org.apache.shiro.authz.aop.AuthorizingAnnotationHandler; |
| import org.apache.shiro.authz.aop.GuestAnnotationHandler; |
| import org.apache.shiro.authz.aop.PermissionAnnotationHandler; |
| import org.apache.shiro.authz.aop.RoleAnnotationHandler; |
| import org.apache.shiro.authz.aop.UserAnnotationHandler; |
| |
| import javax.ws.rs.container.ContainerRequestContext; |
| import javax.ws.rs.container.ContainerRequestFilter; |
| import javax.ws.rs.ext.Provider; |
| import java.io.IOException; |
| import java.lang.annotation.Annotation; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * A filter that grants or denies access to a JAX-RS resource based on the Shiro annotations on it. |
| * |
| * @see org.apache.shiro.authz.annotation |
| * @since 1.4 |
| */ |
| public class AnnotationAuthorizationFilter implements ContainerRequestFilter { |
| |
| private final Map<AuthorizingAnnotationHandler, Annotation> authzChecks; |
| |
| public AnnotationAuthorizationFilter(Collection<Annotation> authzSpecs) { |
| Map<AuthorizingAnnotationHandler, Annotation> authChecks = new HashMap<AuthorizingAnnotationHandler, Annotation>(authzSpecs.size()); |
| for (Annotation authSpec : authzSpecs) { |
| authChecks.put(createHandler(authSpec), authSpec); |
| } |
| this.authzChecks = Collections.unmodifiableMap(authChecks); |
| } |
| |
| private static AuthorizingAnnotationHandler createHandler(Annotation annotation) { |
| Class<?> t = annotation.annotationType(); |
| if (RequiresPermissions.class.equals(t)) return new PermissionAnnotationHandler(); |
| else if (RequiresRoles.class.equals(t)) return new RoleAnnotationHandler(); |
| else if (RequiresUser.class.equals(t)) return new UserAnnotationHandler(); |
| else if (RequiresGuest.class.equals(t)) return new GuestAnnotationHandler(); |
| else if (RequiresAuthentication.class.equals(t)) return new AuthenticatedAnnotationHandler(); |
| else throw new IllegalArgumentException("Cannot create a handler for the unknown for annotation " + t); |
| } |
| |
| @Override |
| public void filter(ContainerRequestContext requestContext) throws IOException { |
| |
| for (Map.Entry<AuthorizingAnnotationHandler, Annotation> authzCheck : authzChecks.entrySet()) { |
| AuthorizingAnnotationHandler handler = authzCheck.getKey(); |
| Annotation authzSpec = authzCheck.getValue(); |
| handler.assertAuthorized(authzSpec); |
| } |
| } |
| |
| } |