com.eudemon.taurus.app.service.ShiroDbRealm.java Source code

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Here is the source code for com.eudemon.taurus.app.service.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 com.eudemon.taurus.app.service;

import java.io.Serializable;
import java.util.Arrays;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.EqualsBuilder;
import org.apache.commons.lang3.builder.HashCodeBuilder;
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.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.subject.PrincipalCollection;
import org.apache.shiro.util.ByteSource;
import org.springframework.beans.factory.annotation.Autowired;

import com.eudemon.taurus.app.entity.User;
import com.eudemon.taurus.app.util.Encodes;

public class ShiroDbRealm extends AuthorizingRealm {

    @Autowired
    private UserService userService;

    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;

        User user = userService.findUserByName(token.getUsername());
        if (null != user) {
            byte[] salt = Encodes.decodeHex(user.getSalt());
            return new SimpleAuthenticationInfo(
                    new ShiroUser(new Long(user.getId()), user.getName(), user.getName()), user.getPassword(),
                    ByteSource.Util.bytes(salt), getName());
        } else {
            return null;
        }
    }

    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        ShiroUser shiroUser = (ShiroUser) principals.getPrimaryPrincipal();
        User user = userService.findUserByName(shiroUser.loginName);
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        info.addRoles(Arrays.asList(StringUtils.split(user.getRoles(), ",")));
        info.addStringPermission(user.getPermissions());
        return info;
    }

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

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

        public String getName() {
            return name;
        }

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

        /**
         * ?equals,?loginName;
         */
        @Override
        public int hashCode() {
            return HashCodeBuilder.reflectionHashCode(this, "loginName");
        }

        /**
         * ?equals,?loginName
         */
        @Override
        public boolean equals(Object obj) {
            return EqualsBuilder.reflectionEquals(this, obj, "loginName");
        }
    }
}