oop.appengine.examples.showcase.service.ShiroDbRealm.java Source code

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Here is the source code for oop.appengine.examples.showcase.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 oop.appengine.examples.showcase.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.DisabledAccountException;
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 oop.appengine.examples.showcase.entity.Role;
import oop.appengine.examples.showcase.entity.User;
import oop.appengine.modules.utils.Encodes;

import com.google.common.base.Objects;

public class ShiroDbRealm extends AuthorizingRealm {

    protected AccountService accountService;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
        User user = accountService.findUserByLoginName(token.getUsername());
        if (user != null) {
            if (user.getStatus().equals("disabled")) {
                throw new DisabledAccountException();
            }

            byte[] salt = Encodes.decodeHex(user.getSalt());
            return new SimpleAuthenticationInfo(new ShiroUser(user.getLoginName(), 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 = accountService.findUserByLoginName(shiroUser.loginName);

        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();
        for (Role role : user.getRoleList()) {
            //Role???
            info.addRole(role.getName());
            //Permission???
            info.addStringPermissions(role.getPermissionList());
        }
        return info;
    }

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

        setCredentialsMatcher(matcher);
    }

    @Autowired
    public void setAccountService(AccountService accountService) {
        this.accountService = accountService;
    }

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

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

        public String getName() {
            return name;
        }

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

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

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