SpringBoot 整合 Shiro 密码登录的实现代码

 <!--整合Shiro安全框架-->
    <dependency>
      <groupId>org.apache.shiro</groupId>
      <artifactId>shiro-spring</artifactId>
      <version>1.4.0</version>
    </dependency>
    <!--集成jwt实现token认证-->
    <dependency>
      <groupId>com.auth0</groupId>
      <artifactId>java-jwt</artifactId>
      <version>3.2.0</version>
    </dependency>

@Configuration
public class ShiroConfig {

  /**
   * ShiroFilterFactoryBean
   */
  @Bean
  public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
    ShiroFilterFactoryBean factoryBean = new ShiroFilterFactoryBean();
    //设置安全管理器
    factoryBean.setSecurityManager(defaultWebSecurityManager);
    // 添加shiro的内置过滤器
    /*
     * anon：无需认证就可以访问
     * authc：必须认证才能访问
     * user：必须拥有 记住我 功能才能用
     * perms：拥有对某个资源的权限能访问
     * role：拥有某个角色权限能访问
     */
    Map<String, String> filterMap = new LinkedHashMap<>();
    // 放行不需要权限认证的接口
    //放行登录接口
    filterMap.put("/login/**", "anon");
    //放行用户接口
    filterMap.put("/", "anon");       // 网站首页
 
    //认证管理员接口
    filterMap.put("/administrators/**", "authc");
    factoryBean.setFilterChainDefinitionMap(filterMap);
    // 设置无权限时跳转的 url
    // 设置登录的请求
    factoryBean.setLoginUrl("/login/toLogin");

    return factoryBean;
  }

  /**
   * 注入 DefaultWebSecurityManager
   */
  @Bean(name = "securityManager")
  public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("customRealm") CustomRealm customRealm) {
    DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
    //关联CustomRealm
    securityManager.setRealm(customRealm);
    return securityManager;
  }

  /**
   * 注入 securityManager
   */
  @Bean
  public CustomRealm customRealm() {
    return new CustomRealm();
  }

}

@Component
public class CustomRealm extends AuthorizingRealm {

  @Autowired
  AdministratorsService administratorsService;

  /*
   * 设置加密方式
   */
  {
    HashedCredentialsMatcher mather = new HashedCredentialsMatcher();
    // 加密方式
    mather.setHashAlgorithmName("md5");
    // 密码进行一次运算
    mather.setHashIterations(512);
    this.setCredentialsMatcher(mather);
  }

  /**
   * 授权
   */
  @Override
  protected AuthorizationInfo doGetAuthorizationInfo(PrincipalCollection principals) {
    System.out.println("————授权————doGetAuthorizationInfo————");

    return null;
  }

  /**
   * 认证
   */
  @Override
  protected AuthenticationInfo doGetAuthenticationInfo(AuthenticationToken token) throws AuthenticationException {
    System.out.println("————认证————doGetAuthenticationInfo————");

    UsernamePasswordToken userToken = (UsernamePasswordToken) token;
    // 连接数据库 查询用户数据
    QueryWrapper<Administrators> wrapper = new QueryWrapper<>();
    wrapper.eq("username", userToken.getUsername());
    Administrators administrators = administratorsService.getOne(wrapper);

    if (administrators == null) {
      return null; // 抛出异常 UnknownAccountException
    }
    // 密码认证，shiro做
    return new SimpleAuthenticationInfo("", administrators.getPassword(), "");
  }

}

//用户名登录
  @ApiOperation(value = "管理员登录", notes = "用户名登录--不进行拦截")
  @PostMapping("/doLogin")
  public String doLogin(@RequestParam("username") String username,
             @RequestParam("password") String password,
             HttpSession session,Model model) {
    // 获取当前的用户
    Subject subject = SecurityUtils.getSubject();
    // 封装用户的登录数据
    UsernamePasswordToken token = new UsernamePasswordToken(username, password);
    try {
      subject.login(token);
      //保存session会话 管理员名字
      session.setAttribute("adname", username);
      return "admin";
    } catch (UnknownAccountException e) {
      model.addAttribute("usererror", "用户名错误！请重新输入。");
      return "login";
    } catch (IncorrectCredentialsException ice) {
      model.addAttribute("pwerror", "密码错误！请重新输入。");
      return "login";
    }
  }