com.wqm.service.account.ShiroDbRealm.java Source code

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Here is the source code for com.wqm.service.account.ShiroDbRealm.java

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/*******************************************************************************
 * Copyright (c) 2005, 2014 springside.github.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *******************************************************************************/
package com.wqm.service.account;

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 com.wqm.entity.sys.AuthorityEntity;
import com.wqm.entity.sys.RoleEntity;
import com.wqm.entity.sys.UserEntity;
import com.wqm.service.sys.UserService;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springside.modules.utils.Encodes;

import com.google.common.base.Objects;

@Component
public class ShiroDbRealm extends AuthorizingRealm {

    private final static Logger logger = LoggerFactory.getLogger(ShiroDbRealm.class);

    @Autowired
    public UserService userService;

    /**
     * ?,.
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordToken token = (UsernamePasswordToken) authcToken;
        UserEntity user = userService.findUserByLoginName(token.getUsername());
        if (user != null) {
            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();
        UserEntity user = userService.findUserByLoginName(shiroUser.userName);
        SimpleAuthorizationInfo info = new SimpleAuthorizationInfo();

        try {
            addRoles(info, user);
            addPermissions(info, user);
        } catch (Exception e) {
            logger.error("??????<br/>{}", e);
        }
        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 userName;
        public String name;

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

        public String getName() {
            return name;
        }

        /**
         * <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;
        }
    }

    public UserService getUserService() {
        return userService;
    }

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

    private void addRoles(SimpleAuthorizationInfo simpleAuthorizationInfo, UserEntity user) {
        for (RoleEntity role : user.getRoleEntity()) {
            simpleAuthorizationInfo.addRole(role.getCode());
        }
    }

    private void addPermissions(SimpleAuthorizationInfo simpleAuthorizationInfo, UserEntity user) {
        for (RoleEntity role : user.getRoleEntity()) {
            for (AuthorityEntity authority : role.getAuthority()) {
                simpleAuthorizationInfo.addStringPermission(authority.getAuthorCode());
            }
        }
    }
}