spring security AffirmativeBased 源码

  • 2022-08-13
  • 浏览 (359)

spring security AffirmativeBased 代码

文件路径:/core/src/main/java/org/springframework/security/access/vote/AffirmativeBased.java

/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * 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
 *
 *      https://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.springframework.security.access.vote;

import java.util.Collection;
import java.util.List;

import org.springframework.security.access.AccessDecisionVoter;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.access.ConfigAttribute;
import org.springframework.security.core.Authentication;

/**
 * Simple concrete implementation of
 * {@link org.springframework.security.access.AccessDecisionManager} that grants access if
 * any <code>AccessDecisionVoter</code> returns an affirmative response.
 */
public class AffirmativeBased extends AbstractAccessDecisionManager {

	public AffirmativeBased(List<AccessDecisionVoter<?>> decisionVoters) {
		super(decisionVoters);
	}

	/**
	 * This concrete implementation simply polls all configured
	 * {@link AccessDecisionVoter}s and grants access if any
	 * <code>AccessDecisionVoter</code> voted affirmatively. Denies access only if there
	 * was a deny vote AND no affirmative votes.
	 * <p>
	 * If every <code>AccessDecisionVoter</code> abstained from voting, the decision will
	 * be based on the {@link #isAllowIfAllAbstainDecisions()} property (defaults to
	 * false).
	 * </p>
	 * @param authentication the caller invoking the method
	 * @param object the secured object
	 * @param configAttributes the configuration attributes associated with the method
	 * being invoked
	 * @throws AccessDeniedException if access is denied
	 */
	@Override
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public void decide(Authentication authentication, Object object, Collection<ConfigAttribute> configAttributes)
			throws AccessDeniedException {
		int deny = 0;
		for (AccessDecisionVoter voter : getDecisionVoters()) {
			int result = voter.vote(authentication, object, configAttributes);
			switch (result) {
			case AccessDecisionVoter.ACCESS_GRANTED:
				return;
			case AccessDecisionVoter.ACCESS_DENIED:
				deny++;
				break;
			default:
				break;
			}
		}
		if (deny > 0) {
			throw new AccessDeniedException(
					this.messages.getMessage("AbstractAccessDecisionManager.accessDenied", "Access is denied"));
		}
		// To get this far, every AccessDecisionVoter abstained
		checkAllowIfAllAbstainDecisions();
	}

}

相关信息

spring security 源码目录

相关文章

spring security AbstractAccessDecisionManager 源码

spring security AbstractAclVoter 源码

spring security AuthenticatedVoter 源码

spring security ConsensusBased 源码

spring security RoleHierarchyVoter 源码

spring security RoleVoter 源码

spring security UnanimousBased 源码

spring security package-info 源码

0  赞