com.kuguo.front.service.ShiroDbRealm.java Source code

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Here is the source code for com.kuguo.front.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.kuguo.front.service;

import java.io.Serializable;

import javax.annotation.PostConstruct;

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.apache.shiro.util.ByteSource;
import org.springframework.beans.factory.annotation.Autowired;

import com.google.common.base.Objects;
import com.kuguo.front.entity.User;
import com.kuguo.front.utils.Encodes;

public class ShiroDbRealm extends AuthorizingRealm {

    private UserService userService;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
        String username = token.getUsername();
        // 
        User user = null;
        if (userService.findUserByEmail(username) != null) {
            user = userService.findUserByEmail(username);
        } else {
            user = userService.findUserByName(username);
        }
        if (user != null) {
            token.setRememberMe(token.isRememberMe());
            byte[] salt = Encodes.decodeHex(user.getSalt());
            return new SimpleAuthenticationInfo(
                    new ShiroUser(user.getEmail(), user.getName(), user.getId(), user.getHead(), user.getBio()),
                    user.getPassword(), ByteSource.Util.bytes(salt), getName());
        } else {
            return null;
        }
    }

    /**
     * ?, ???.
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        return info;
    }

    /**
     * PasswordHash.
     */
    @PostConstruct
    public void initCredentialsMatcher() {
        HashedCredentialsMatcher matcher = new HashedCredentialsMatcher(UserService.HASH_ALGORITHM);
        matcher.setHashIterations(UserService.HASH_INTERATIONS);

        setCredentialsMatcher(matcher);
    }

    @Autowired
    public void setUserService(UserService userService) {
        this.userService = userService;
    }

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

        public ShiroUser(String email, String name, Long id, String head, String bio) {
            this.email = email;
            this.name = name;
            this.id = id;
            this.head = head;
            this.bio = bio;
        }

        public String getEmail() {
            return email;
        }

        public String getName() {
            return name;
        }

        public Long getId() {
            return id;
        }

        public String getHead() {
            return head;
        }

        public String getBio() {
            return bio;
        }

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

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

        /**
         * ?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 (email == null) {
                if (other.email != null)
                    return false;
            } else if (!email.equals(other.email))
                return false;
            return true;
        }
    }
}