spring boot整合scurity做简单的登录校验的实现

开发环境：springboot

maven引入：

 <dependency>
  <groupId>org.springframework.security.oauth</groupId>
    <artifactId>spring-security-oauth2</artifactId>
    <version>2.2.1.RELEASE</version>
  </dependency>
  <dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-jwt</artifactId>
    <version>1.0.10.RELEASE</version>
  </dependency>

1、先在数据库创建用户表，用户名为username，密码名为password。下面是我用户表的实体

 private Integer id;
/**
* 昵称
*/
private String name;
/**
* 职位
*/
private String code;
/**
* 密码
*/
private String passwd;
/**
* 用户名
*/
private String username;
/**
* 手机号
*/
private String phone;
/**
* 创建时间
*/
private Date createdTime;

2、看项目是JPA、还是mybatis。我这边项目使用的是mybatis。需要有一个方法通过用户名获取用户信息。

3、创建一个用户验证类实现 UserDetails 继承用户实体

public class SecurityUser extends SysUser implements UserDetails {
private static final long serialVersiongUID = 1l;

public SecurityUser(SysUser sysUser) {
  if (null != sysUser) {
    this.setCode(sysUser.getCode());
    this.setCreatedTime(sysUser.getCreatedTime());
    this.setId(sysUser.getId());
    this.setName(sysUser.getName());
    this.setPasswd(sysUser.getPasswd());
    this.setPhone(sysUser.getPhone());
    this.setUsername(sysUser.getUsername());
  }
}

@Override
public Collection<? extends GrantedAuthority> getAuthorities() {
  Collection<GrantedAuthority> authorities = new ArrayList<>();
  String username = this.getUsername();
  if (username != null) {
    SimpleGrantedAuthority authority = new SimpleGrantedAuthority(username);
    authorities.add(authority);
  }
  return authorities;
}

@Override
public String getPassword() {
  return super.getPasswd();
}

//账户是否未过期,过期无法验证
@Override
public boolean isAccountNonExpired() {
  return true;
}

//指定用户是否解锁,锁定的用户无法进行身份验证
@Override
public boolean isAccountNonLocked() {
  return true;
}

//指示是否已过期的用户的凭据(密码),过期的凭据防止认证
@Override
public boolean isCredentialsNonExpired() {
  return true;
}

//是否可用 ,禁用的用户不能身份验证
@Override
public boolean isEnabled() {
  return true;
}
}

4、重点！创建一个scurity config配置类

 @Configuration
 @EnableWebSecurity
 public class UiSecurityConfig extends WebSecurityConfigurerAdapter {

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

 @Override
 protected void configure(HttpSecurity http) throws Exception { //配置策略
   http.csrf().disable();
   http.authorizeRequests().
       antMatchers("/static/**").permitAll().anyRequest().authenticated().
       and().formLogin().loginPage("/login").permitAll().successHandler(loginSuccessHandler()).
       and().logout().permitAll().invalidateHttpSession(true).
       deleteCookies("JSESSIONID").logoutSuccessHandler(logoutSuccessHandler()).
       and().sessionManagement().maximumSessions(10).expiredUrl("/login");
 }

 @Bean
 public BCryptPasswordEncoder passwordEncoder() { //密码加密
   return new BCryptPasswordEncoder(4);
 }

 @Bean
 public LogoutSuccessHandler logoutSuccessHandler() { //登出处理
   return new LogoutSuccessHandler() {
     @Override
     public void onLogoutSuccess(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Authentication authentication) throws IOException, ServletException {
       try {
         SecurityUser user = (SecurityUser) authentication.getPrincipal();
         logger.info("USER : " + user.getUsername() + " LOGOUT SUCCESS ! ");
       } catch (Exception e) {
         logger.info("LOGOUT EXCEPTION , e : " + e.getMessage());
       }
       httpServletResponse.sendRedirect("/login");
     }
   };
 }

 @Bean
 public SavedRequestAwareAuthenticationSuccessHandler loginSuccessHandler() { //登入处理
   return new SavedRequestAwareAuthenticationSuccessHandler() {
     @Override
     public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
       SysUser userDetails = (SysUser) authentication.getPrincipal();
 logger.info("USER : " + userDetails.getUsername() + " LOGIN SUCCESS ! ");

 //        登录成功后重定向路径
       response.sendRedirect("/");
     }
   };
 }
 //用户登录实现
 @Bean
 public UserDetailsService userDetailsService() {
   return new UserDetailsService() {
     @Autowired
     private SysUserDao sysUserDao;//这里是引入数据库连接dao

     @Override
     public UserDetails loadUserByUsername(String s) throws UsernameNotFoundException {
       SysUser userNmae = new SysUser();
       userNmae.setUsername(s);
      List<SysUser> listUser = sysUserDao.queryAll(userNmae);//通过用户名获取个用户信息
       SysUser user = null;
      if (listUser.size() > 0) {
        user = listUser.get(0);
      }
       if (user == null) throw new UsernameNotFoundException("Username " + s + " not found");
       return new SecurityUser(user);
     }
   };
 }
}

5、基础工作准备完成开始写controller

@Controller
public class LoginController {

@Resource
private SessionTool sessionTool;

//  获取登录页面
@RequestMapping(value = "/login", method = RequestMethod.GET)
public String login() {
  return "login";
}

@RequestMapping("/")
public String login(ModelMap map){
  SysUser sysUser = sessionTool.getUser();
  map.addAttribute("sysUser", sysUser);
  return "index";
}
}

6、从session获取用户信息

@Component
public class SessionTool {
public SysUser getUser() { //为了session从获取用户信息,可以配置如下
  SysUser user = new SysUser();
  SecurityContext ctx = SecurityContextHolder.getContext();
  Authentication auth = ctx.getAuthentication();
  if (auth.getPrincipal() instanceof UserDetails) user = (SysUser) auth.getPrincipal();
  return user;
}

public HttpServletRequest getRequest() {
  return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
}
}

7、login.html页面（登录路径为login 请求方式为post，scurity自带的登录路径）

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <title>Title</title>
</head>
<body>
<form action="/login" method="post">
 用户名 : <input type="text" name="username"/>
 密码 : <input type="password" name="password"/>
 <input type="submit" value="登录">
</form>
</body>
</html>

总结一下思路：

引入依赖包-》创建用户表-》创建用户表数据库查询接口-》创建用户校验类实现UserDetails接口-》创建scurity配置类继承 WebSecurityConfigurerAdapter 方法configure为配置校验策略-》创建controller配置登录页面跳转接口-》创建登陆页面用户名必须为username 密码为password 登录路径为'/login' 请求方式为post

由于scurity配置的密码检验是加密的为了测试可以在Test模块中获取加密后的密码然后存到用户表的password字段中。

  @Test
  public void encoder() {
    String password = "123123";
    BCryptPasswordEncoder encoder = new BCryptPasswordEncoder(4);
    String enPassword = encoder.encode(password);
    System.out.println(enPassword);
  }

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