基于SpringBoot整合oauth2实现token认证

    
      org.springframework.boot
      spring-boot-starter-security
    
    
      org.springframework.security.oauth
      spring-security-oauth3
    

@Autowired
  private PasswordEncoder passwordEncoder;

  /**
   * 根据进行登录
   * @param username
   * @return
   * @throws UsernameNotFoundException
   */
  @Override
  public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
    log.info("登录用户名:"+username);
    String password = passwordEncoder.encode("123456");
    //User三个参数  (用户名+密码+权限)
    //根据查找到的用户信息判断用户是否被冻结
    log.info("数据库密码:"+password);
    return new User(username,password, AuthorityUtils.commaSeparatedStringToAuthorityList("admin"));
  }

@RestController
public class OauthController {

  @Autowired
  private ClientDetailsService clientDetailsService;
  @Autowired
  private AuthorizationServerTokenServices authorizationServerTokenServices;
  @Autowired
  private AuthenticationManager authenticationManager;

  @PostMapping("/oauth/getToken")
  public Object getToken(@RequestParam String username, @RequestParam String password, HttpServletRequest request) throws IOException {
    Mapmap = new HashMap<>(8);
    //进行验证
    String header = request.getHeader("Authorization");
    if (header == null && !header.startsWith("Basic")) {
      map.put("code",500);
      map.put("message","请求投中无client信息");
      return map;
    }
    String[] tokens = this.extractAndDecodeHeader(header, request);
    assert tokens.length == 2;
    //获取clientId 和 clientSecret
    String clientId = tokens[0];
    String clientSecret = tokens[1];
    //获取 ClientDetails
    ClientDetails clientDetails = clientDetailsService.loadClientByClientId(clientId);
    if (clientDetails == null){
      map.put("code",500);
      map.put("message","clientId 不存在"+clientId);
      return map;
      //判断 方言 是否一致
    }else if (!StringUtils.equals(clientDetails.getClientSecret(),clientSecret)){
      map.put("code",500);
      map.put("message","clientSecret 不匹配"+clientId);
      return map;
    }
    //使用username、密码进行登录
    UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(username, password);
    //调用指定的UserDetailsService，进行用户名密码验证
    Authentication authenticate = authenticationManager.authenticate(authentication);
    HrUtils.setCurrentUser(authenticate);
    //放到session中
    //密码授权 模式, 组建 authentication
    TokenRequest tokenRequest = new TokenRequest(new HashMap<>(),clientId,clientDetails.getScope(),"password");

    OAuth3Request oAuth3Request = tokenRequest.createOAuth3Request(clientDetails);
    OAuth3Authentication oAuth3Authentication = new OAuth3Authentication(oAuth3Request,authentication);

    OAuth3AccessToken token = authorizationServerTokenServices.createAccessToken(oAuth3Authentication);
    map.put("code",200);
    map.put("token",token.getValue());
    map.put("refreshToken",token.getRefreshToken());
    return map;
  }

  /**
   * 解码请求头
   */
  private String[] extractAndDecodeHeader(String header, HttpServletRequest request) throws IOException {
    byte[] base64Token = header.substring(6).getBytes("UTF-8");

    byte[] decoded;
    try {
      decoded = Base64.decode(base64Token);
    } catch (IllegalArgumentException var7) {
      throw new BadCredentialsException("Failed to decode basic authentication token");
    }

    String token = new String(decoded, "UTF-8");
    int delim = token.indexOf(":");
    if (delim == -1) {
      throw new BadCredentialsException("Invalid basic authentication token");
    } else {
      return new String[]{token.substring(0, delim), token.substring(delim + 1)};
    }
  }
}

@Configuration
public class BrowserSecurityConfig extends WebSecurityConfigurerAdapter {

  /**
   * 注入 自定义的 登录成功处理类
   */
  @Autowired
  private MyAuthenticationSuccessHandler mySuccessHandler;
  /**
   * 注入 自定义的 登录失败处理类
   */
  @Autowired
  private MyAuthenticationFailHandler myFailHandler;

  @Autowired
  private ValidateCodeFilter validateCodeFilter;

  /**
   * 重写PasswordEncoder 接口中的方法，实例化加密策略
   * @return 返回 BCrypt 加密策略
   */
  @Bean
  public PasswordEncoder passwordEncoder(){
    return new BCryptPasswordEncoder();
  }

  @Override
  protected void configure(HttpSecurity http) throws Exception {
    //在UsernamePasswordAuthenticationFilter 过滤器前 加一个过滤器 来搞验证码
    http.addFilterBefore(validateCodeFilter, UsernamePasswordAuthenticationFilter.class)
        //表单登录 方式
        .formLogin()
        .loginPage("/authentication/require")
        //登录需要经过的url请求
        .loginProcessingUrl("/authentication/form")
        .passwordParameter("pwd")
        .usernameParameter("user")
        .successHandler(mySuccessHandler)
        .failureHandler(myFailHandler)
        .and()
        //请求授权
        .authorizeRequests()
        //不需要权限认证的url
        .antMatchers("/oauth/*","/authentication/*","/code/image").permitAll()
        //任何请求
        .anyRequest()
        //需要身份认证
        .authenticated()
        .and()
        //关闭跨站请求防护
        .csrf().disable();
    //默认注销地址：/logout
    http.logout().
        //注销之后 跳转的页面
        logoutSuccessUrl("/authentication/require");
  }

  /**
   * 认证管理
   *
   * @return 认证管理对象
   * @throws Exception 认证异常信息
   */
  @Override
  @Bean
  public AuthenticationManager authenticationManagerBean() throws Exception {
    return super.authenticationManagerBean();
  }
}

@Configuration
@EnableAuthorizationServer
public class MyAuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {
  @Autowired
  private AuthenticationManager authenticationManager;

  @Autowired
  private MyUserDetailsService userDetailsService;




  @Override
  public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
    super.configure(security);
  }

  /**
   * 客户端配置（给谁发令牌）
   * @param clients
   * @throws Exception
   */
  @Override
  public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
    clients.inMemory().withClient("internet_plus")
        .secret("internet_plus")
        //有效时间 2小时
        .accessTokenValiditySeconds(72000)
        //密码授权模式和刷新令牌
        .authorizedGrantTypes("refresh_token","password")
        .scopes( "all");
  }

  @Override
  public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
    endpoints
        .authenticationManager(authenticationManager)
        .userDetailsService(userDetailsService);
  }
}