com.whty.admin.controller.UserRealm.java Source code

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Here is the source code for com.whty.admin.controller.UserRealm.java

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

import java.io.Serializable;

import org.apache.shiro.SecurityUtils;
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.authz.AuthorizationInfo;
import org.apache.shiro.authz.SimpleAuthorizationInfo;
import org.apache.shiro.realm.AuthorizingRealm;
import org.apache.shiro.session.Session;
import org.apache.shiro.subject.PrincipalCollection;
import org.springframework.beans.factory.annotation.Autowired;

import com.google.common.base.Objects;
import com.whty.admin.filter.CaptchaException;
import com.whty.admin.filter.UsernamePasswordCaptchaToken;
import com.whty.web.model.User;
import com.whty.web.service.UserService;

public class UserRealm extends AuthorizingRealm {

    @Autowired
    private UserService userService;

    /**
     * ?,.???
     */
    @Override
    protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken authcToken)
            throws AuthenticationException {
        UsernamePasswordCaptchaToken token = (UsernamePasswordCaptchaToken) authcToken;
        //??
        User u = new User();
        u.setLoginName(token.getUsername());
        User user = userService.selectOne(u);

        if (user != null && doCaptchaValidate(token)) {
            //byte[] salt = Encodes.decodeHex(user.getSalt());
            ShiroUser shiroUser = new ShiroUser(user.getId(), user.getLoginName(), user.getName());
            //session
            Session session = SecurityUtils.getSubject().getSession();
            session.setAttribute("user", user);
            return new SimpleAuthenticationInfo(shiroUser, user.getPassword(), getName());
        } else {
            return null;
        }

    }

    /**
     * ?, ???.
     */
    @Override
    protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
        String currentUsername = (String) super.getAvailablePrincipal(principals);
        //User user = accountService.findUserByLoginName(shiroUser.loginName);

        SimpleAuthorizationInfo simpleAuthorInfo = new SimpleAuthorizationInfo();
        //????  
        /*if(null!=user){  
           for (Role role : user.getRoleList()) {
         // Role???
          simpleAuthorInfo.addRole(role.getName());
         // Permission???
          simpleAuthorInfo.addStringPermissions(role.getPermissionList());
          }
        return simpleAuthorInfo;  
        }*/
        return null;
    }

    /**
     * ??
     * @param token
     * @return boolean
     */
    protected boolean doCaptchaValidate(UsernamePasswordCaptchaToken token) {
        String captcha = (String) SecurityUtils.getSubject().getSession()
                .getAttribute(com.google.code.kaptcha.Constants.KAPTCHA_SESSION_KEY);
        if (captcha != null && !captcha.equalsIgnoreCase(token.getCaptcha())) {
            throw new CaptchaException("???");
        }
        return true;
    }

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

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

        public String getId() {
            return id;
        }

        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;
        }
    }

    @Override
    protected void clearCache(PrincipalCollection principals) {
        super.clearCache(principals);
    }

}