grails.plugin.springsecurity.annotation.SecuredClosureDelegate.java Source code

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Here is the source code for grails.plugin.springsecurity.annotation.SecuredClosureDelegate.java

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/* Copyright 2013-2015 the original author or authors.
 *
 * 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 grails.plugin.springsecurity.annotation;

import javax.servlet.http.HttpServletRequest;

import org.codehaus.groovy.grails.web.servlet.GrailsApplicationAttributes;
import org.codehaus.groovy.grails.web.servlet.mvc.GrailsParameterMap;
import org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest;
import org.springframework.context.ApplicationContext;
import org.springframework.security.access.PermissionEvaluator;
import org.springframework.security.access.hierarchicalroles.RoleHierarchy;
import org.springframework.security.authentication.AuthenticationTrustResolver;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.FilterInvocation;
import org.springframework.security.web.access.expression.WebSecurityExpressionRoot;

/**
 * Set as the delegate of a closure in @Secured annotations; provides access to the request and application context,
 * as well as all of the methods and properties available when using SpEL.
 *
 * @author <a href='mailto:burt@burtbeckwith.com'>Burt Beckwith</a>
 */
public class SecuredClosureDelegate extends WebSecurityExpressionRoot {

    protected ApplicationContext ctx;

    public SecuredClosureDelegate(final Authentication a, final FilterInvocation fi, final ApplicationContext ctx) {
        super(a, fi);
        this.ctx = ctx;
        setTrustResolver(ctx.getBean("authenticationTrustResolver", AuthenticationTrustResolver.class));
        setRoleHierarchy(ctx.getBean("roleHierarchy", RoleHierarchy.class));
        setPermissionEvaluator(ctx.getBean("permissionEvaluator", PermissionEvaluator.class));
    }

    public HttpServletRequest getRequest() {
        return request;
    }

    public ApplicationContext getCtx() {
        return ctx;
    }

    public GrailsParameterMap getParams() {
        GrailsWebRequest gwr = (GrailsWebRequest) request.getAttribute(GrailsApplicationAttributes.WEB_REQUEST);
        return gwr == null ? null : gwr.getParams();
    }
}