com.oakhole.auth.service.ShiroDbRealm.java Source code

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Here is the source code for com.oakhole.auth.service.ShiroDbRealm.java

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/*
 * Copyright (c) 2013-2014. Powered by http://oakhole.com .
 *
 *   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
 *
 *       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.oakhole.auth.service;

import com.google.common.base.Objects;
import com.oakhole.auth.entity.Operation;
import com.oakhole.auth.entity.Role;
import com.oakhole.auth.entity.User;
import com.oakhole.utils.Encodes;
import org.apache.shiro.authc.*;
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 javax.annotation.PostConstruct;
import java.io.Serializable;

@SuppressWarnings("ALL")
public class ShiroDbRealm extends AuthorizingRealm {

    protected UserService userService;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
        User user = userService.findUserByUsername(token.getUsername());
        if (user != null) {
            if (user.isDeleted()) {
                throw new DisabledAccountException();
            }
            byte[] salt = Encodes.decodeHex(user.getSalt());
            return new SimpleAuthenticationInfo(new ShiroUser(user.getId(), user.getUsername(), 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.findUserByUsername(shiroUser.loginName);

        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();

        for (Role role : user.getRoles()) {
            // Role???
            info.addRole(role.getName());
        }

        for (Operation operation : user.getOpers()) {
            // Permission???
            info.addStringPermission(operation.getCode());
        }
        return info;
    }

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

        setCredentialsMatcher(matcher);
    }

    /**
     * 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 long getId() {
            return id;
        }

        public String getLoginName() {
            return loginName;
        }

        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;
        }
    }

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