cn.threedov.cms.web.shiro.ShiroDbRealm.java Source code

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Here is the source code for cn.threedov.cms.web.shiro.ShiroDbRealm.java

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/*
 * 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 cn.threedov.cms.web.shiro;

import java.io.Serializable;
import java.util.List;

import javax.annotation.PostConstruct;

import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.AuthenticationInfo;
import org.apache.shiro.authc.AuthenticationToken;
import org.apache.shiro.authc.SimpleAuthenticationInfo;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;

import cn.threedov.cms.entity.Admin;
import cn.threedov.cms.entity.Right;
import cn.threedov.cms.entity.Role;
import cn.threedov.cms.service.AdminService;
import cn.threedov.cms.service.RightService;
import cn.threedov.cms.service.RoleRightService;

import com.google.common.base.Objects;

public class ShiroDbRealm extends AuthorizingRealm {

    protected AdminService adminService;
    protected RightService rightService;
    protected RoleRightService roleRightService;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
        Admin user = adminService.findByUsernameAndStateNot(token.getUsername(), Admin.STATUS_NO);
        if (user != null) {
            SimpleAuthenticationInfo sai = new SimpleAuthenticationInfo(
                    new ShiroUser(user.getId(), user.getUsername()), user.getPassword(), getName());
            return sai;
        } else {
            return null;
        }
    }

    /**
     * ?, ???.
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        ShiroUser shiroUser = (ShiroUser) principals.getPrimaryPrincipal();
        Admin user = adminService.findOne(shiroUser.getId());
        List<Role> roleList = adminService.findRoleByAdmin(user);
        List<Right> rights = roleRightService.findRightByRoleIn(roleList);

        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();

        for (Role role : roleList) {
            info.addRole(role.getName());
        }

        for (Right right : rights) {
            if (StringUtils.isNotBlank(right.getDescription())) {
                info.addStringPermission(right.getDescription());
            }
            for (Right child : right.getChildren()) {
                if (StringUtils.isNotBlank(child.getDescription())) {
                    info.addStringPermission(child.getDescription());
                }
            }
        }

        return info;
    }

    /**
     * PasswordHash.
     */
    @PostConstruct
    public void initCredentialsMatcher() {
        HashedCredentialsMatcher matcher = new HashedCredentialsMatcher("MD5");
        //        matcher.setHashIterations(Digests.HASH_INTERATIONS);
        setCredentialsMatcher(matcher);
    }

    @Autowired
    public void setAdminService(AdminService adminService) {
        this.adminService = adminService;
    }

    @Autowired
    public void setRightService(RightService rightService) {
        this.rightService = rightService;
    }

    @Autowired
    public void setRoleRightService(RoleRightService roleRightService) {
        this.roleRightService = roleRightService;
    }

    /**
     * AuthenticationSubject??????.
     */
    public static class ShiroUser implements Serializable {
        private static final long serialVersionUID = -1373760761780840081L;
        private Long id;
        private String username;

        public ShiroUser(Long id, String username) {
            this.id = id;
            this.username = username;
        }

        public Long getId() {
            return id;
        }

        public String getUsername() {
            return username;
        }

        /**
         * <shiro:principal/>.
         */
        @Override
        public String toString() {
            return username;
        }

        /**
         * ?hashCode,?loginName;
         */
        @Override
        public int hashCode() {
            return Objects.hashCode(username);
        }

        /**
         * ?equals,?loginName;
         */
        @Override
        public boolean equals(Object obj) {
            if (this == obj)
                return true;
            if (obj == null)
                return false;
            if (getClass() != obj.getClass())
                return false;
            ShiroUser other = (ShiroUser) obj;
            if (username == null) {
                if (other.username != null)
                    return false;
            } else if (!username.equals(other.username))
                return false;
            return true;
        }
    }
}