SpringSecurity安全管理

SpringSecurity安全管理

介绍

SpringSecurity是spring的一个生态圈，用于安全管理，其核心就是一组过滤链，启动项目后将会自动配置。其核心就是Basic Authentication Filter 用来认证用户的身份。

SpringSecurity的核心功能主要有

  • Authentication认证（你是谁）
  • Authorization授权（你能干什么）
  • 攻击防护（防止身份伪造）

使用

  1. 创建一个springboot项目，勾选web功能

  2. 添加依赖SpringSecurity

    <!-- Security+Thymeleaf整合 -->
<dependency>
    <groupId>org.thymeleaf.extras</groupId>
    <artifactId>thymeleaf-extras-springsecurity4</artifactId>
    <version>3.0.4.RELEASE</version>
</dependency>
<!-- security -->
<dependency>
	<groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>
<!-- Thymeleaf依赖 -->
<dependency>
    <groupId>org.thymeleaf.extras</groupId>
    <artifactId>thymeleaf-extras-java8time</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>

  3. 在application.yaml中配置mvc视图解析器

    spring:
  thymeleaf:
    cache: false
  mvc:
    view:
      suffix: .html
      prefix: classpath:/templates/
# mvc视图解析器

  4. 在resources文件夹下编写html

  5. views/level1/1.html/(2.html-3.html)

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1 align="center">one-1</h1>
    <hr>
</body>
</html>

  6. views/level2/1.html/(2.html-3.html)

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1 align="center">two-1</h1>
    <hr>
</body>
</html>

  7. views/level3/1.html/(2.html-3.html)

    <!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1 align="center">three-1</h1>
    <hr>
</body>
</html>

  8. 首页index.html

    <!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org"
                xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity4">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        dev span{
            padding-right: 20px;
        }
    </style>
</head>
<body>
<!--
如果未登入就就显示登入按钮,
如果以登入显示用户名和注销按钮,
需要用到thymeleaf+Security整合模板
-->
    <h1 align="center">首页</h1>
    <!--登入成功后显示用户名-->
    <div sec:authorize="isAuthenticated()">
        <p align="center">
            <a>
                用户名：<spqn sec:authentication="name"></spqn>
                <!--角色：<spqn sec:authentication="principal.getAuthorities()"></spqn>-->
            </a>
        </p>
    </div>
    <!--如果用户未登入,显示登入页面-->
    <div sec:authorize="!isAuthenticated()">
        <p>
            <a th:href="@{/toLogin}">登入</a>
        </p>
    </div>
    <!--如果登入成功则显示注销按钮-->
    <div sec:authorize="isAuthenticated()">
        <p>
            <a th:href="@{/logout}">注销</a>
        </p>
    </div>
<dev>
    <dev>
        <p align="center">lenel1</p>
        <hr>
        <dev class="b" sec:authorize="hasRole('vip1')">
            <span><a th:href="@{/level1/1}">one-1</a></span>
            <span><a th:href="@{/level1/2}">one-2</a></span>
            <span><a th:href="@{/level1/3}">one-3</a></span>
        </dev>
    </dev>
    <dev>
        <dev class="b" sec:authorize="hasRole('vip2')">
            <p align="center">lenel2</p>
            <hr>
            <span><a th:href="@{/level2/1}">two-1</a></span>
            <span><a th:href="@{/level2/2}">two-2</a></span>
            <span><a th:href="@{/level2/3}">two-3</a></span>
        </dev>
    </dev>
    <dev>
        <dev class="b" sec:authorize="hasRole('vip3')">
            <p align="center">lenel3</p>
            <hr>
            <span><a th:href="@{/level3/1}">three-1</a></span>
            <span><a th:href="@{/level3/2}">three-2</a></span>
            <span><a th:href="@{/level3/3}">three-3</a></span>
        </dev>
    </dev>
</dev>
</body>
</html>

  9. 登入页login.html

    <!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Spring Security</title>
    <meta charset="utf-8">
</head>
<body>
<div>
    <div>
        <div>
            <span>登 录</span>
        </div>
        <form th:action="@{/toLogin}" method="post">
            <div>
                <span>用户名:</span>
                <input type="text" name="username" placeholder="请输入用户名">
                <span></span>
            </div>
            <div>
                <span >密&nbsp;&nbsp;&nbsp;&nbsp;码:</span>
                <input type="password" name="password" placeholder="请输入用户名">
                <span></span>
            </div>
            <div>
                <div>
                    <input class="input-checkbox" id="ckb1" type="checkbox" name="remember-me">
                    <label class="label-checkbox" for="ckb1">记住我</label>
                </div>
                <div>
                    <a href="/">忘记密码？</a>
                </div>
            </div>
            <div>
                <input type="submit" value="提交">
            </div>
        </form>
    </div>
</div>
</body>
</html>

  10. controller实现视图跳转

    package com.sheep.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class RouterController{

    /*
     * 首页
     * */
    @RequestMapping({"/","/index","index.html"})
    public String index(){
        return "index";
    }
    /*
     * 登入页
     * */
    @RequestMapping("/toLogin")
    public String toLogin(){
        return "views/login";
    }
    /*
    * VIP1
    * */
    @RequestMapping("/level1/{id}")
    public String level1(@PathVariable("id") int id){
        return "views/level1/"+id;
    }
    /*
     * VIP2
     * */
    @RequestMapping("/level2/{id}")
    public String level2(@PathVariable("id") int id){
        return "views/level2/"+id;
    }
    /*
     * VIP3
     * */
    @RequestMapping("/level3/{id}")
    public String level3(@PathVariable("id") int id){
        return "views/level1/"+id;
    }
}

  11. 自定义Security策略

    注解及类作用：

    • @EnableWebSecurity：开启WebSecurituy模式
    • WebSecurityConfigurerAdapter：自定义Securituy
    • HttpSecurity：拦截授权
    • AuthenticationManagerBuilder：自定义认证
    package com.sheep.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    /*授权*/
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //首页所有人可以访问，功能页只有对应有权限的人才能访问(所有人可以访问/,vip1的用户可以访问/level1/**,vip2的用户可以访问/level2/**,vip3的用户可以访问/level3/**)
        http.authorizeRequests().antMatchers("/").permitAll()
                .antMatchers("/level1/**").hasRole("vip1")
                .antMatchers("/level2/**").hasRole("vip2")
                .antMatchers("/level3/**").hasRole("vip3");
        // 没有权限会默认跳到登入页面,需要开启登入的页面
        http.formLogin().loginPage("/toLogin");
        //注销,注销成功了跳到首页
        http.logout().logoutSuccessUrl("/");
        //开启记住我功能
        http.rememberMe();
        //防止网站工具(在get传输是通过明文传输的因此可能受到攻击):get,post
        http.csrf().disable();//关闭csrf功能
    }

    /*
    * 认证：
    *   内存认证
    *   数据库认证
    * 使用内存认证时：要设置密码编码,对密码进行加密(为了防止通过反编译拿到数据密码)
    * 在Spring Secutiry 中提供了很多加密方法
    * */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //内存认证(模仿数据库),通过.passwordEncoder(new BCryptPasswordEncoder())加密
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("sheep").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1","vip2")
                .and()
                .withUser("root").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1","vip2","vip3")
                .and()
                .withUser("root2").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1","vip2","vip3");
    }
}

  12. 测试

posted @ 2021-05-20 17:07  一程山水一年华^_^  阅读(192)  评论(0)  编辑  收藏  举报
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