spring Security的自定义用户认证

首先我需要在xml文件中声明.我要进行自定义用户的认证类,也就是我要自己从数据库中进行查询

<http pattern="/*.html" security="none"/>
    <http pattern="/css/**" security="none"/>
    <http pattern="/img/**" security="none"/>
    <http pattern="/js/**" security="none"/>
    <http pattern="/plugins/**" security="none"/>
    <http pattern="/seller/add.do" security="none"/>

    <!-- use-expressions:设置是否启动SpEL表达式,默认值是true。 -->
    <http use-expressions="false">
        <!--
            配置SpringSecurity的拦截路径(拦截规则)
            * pattern:配置拦截规则。   /* 代表的是根路径下的所有资源(不包含子路径) /**代表的是根路径下所有的资源(包含子路径)
            * access:设置角色  角色命名 ROLE_角色名称  如:  ROLE_USER
        -->
        <intercept-url pattern="/**" access="ROLE_SELLER"/>

        <!--
        开启表单验证
            username-parameter="username"
            password-parameter="password"
            login-page            :登录页面名称  以  / 开始
            default-target-url    :登录成功后跳转的页面
            login-processing-url:提交的路径的设置 默认值"/login" 可以修改
        -->
        <form-login login-page="/shoplogin.html" default-target-url="/admin/index.html" always-use-default-target="true" authentication-failure-url="/shoplogin.html"/>

        <!-- 不使用csrf的校验 -->
        <csrf disabled="true"/>

        <!-- 配置框架页面不拦截 -->
        <headers>
            <frame-options policy="SAMEORIGIN"/>
        </headers>

        <!-- 注销的配置 -->
        <logout logout-url="/logout" logout-success-url="/shoplogin.html" />
    </http>

    <!-- 配置认证管理器 -->
    <authentication-manager>
        <!-- 认证的提供者 -->
        <authentication-provider user-service-ref="userDetailService">
            <password-encoder ref="passwordEncoder"></password-encoder>
        </authentication-provider>
    </authentication-manager>
<!-- 配置自定义的认证类 -->
    <beans:bean id="userDetailService" class="com.qingmu2.core.service.UserDetailServiceImpl">
        <beans:property name="sellerService" ref="sellerService"></beans:property>
    </beans:bean>

<!--加密时候使用的算法是BCryptPasswordEncoder-->
    <beans:bean id="passwordEncoder" class="org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder"/>

配置完自定义的文件以后,在需要自定义认证类的模块中实现

UserDetailsService

package com.qingmu2.core.service;

import com.alibaba.dubbo.config.annotation.Reference;
import com.qingmu2.core.pojo.seller.Seller;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;

/**
 * 自定义的认证类
 * @Auther:qingmu
 * @Description:脚踏实地,只为出人头地
 * @Date:Created in 8:33 2019/5/31
 */
public class UserDetailServiceImpl implements UserDetailsService {

    private SellerService sellerService;

    public UserDetailServiceImpl() {
    }
    @Override
    public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
        Seller seller = sellerService.findOne(username);
        if(null!=seller){
            //判断一次商家是否被审核通过.
            if("1".equals(seller.getStatus())){
                //创建一个集合,用来存储权限
                HashSet<GrantedAuthority> authorities = new HashSet<>();
                authorities.add(new SimpleGrantedAuthority("ROLE_SELLER"));
                //将这个用户的信息返回给认证类
                return new User(username,seller.getPassword(),authorities);
            }
        }
        //没有这个用户,则返回null
        return null;
    }

    public UserDetailServiceImpl(SellerService sellerService) {
        this.sellerService = sellerService;
    }

    public SellerService getSellerService() {
        return sellerService;
    }

    public void setSellerService(SellerService sellerService) {
        this.sellerService = sellerService;
    }
}

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转载自www.cnblogs.com/qingmuchuanqi48/p/10972116.html