@Configuration
@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {/*** 用户密码校验过滤器*/private final AdminAuthenticationProcessingFilter adminAuthenticationProcessingFilter;public SecurityConfig(AdminAuthenticationProcessingFilter adminAuthenticationProcessingFilter) {this.adminAuthenticationProcessingFilter = adminAuthenticationProcessingFilter;}/*** 权限配置* @param http* @throws Exception*/@Overrideprotected void configure(HttpSecurity http) throws Exception {ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry registry = http.antMatcher("/**").authorizeRequests();// 禁用CSRF 开启跨域http.csrf().disable().cors();// 登录处理 - 前后端一体的情况下
//        registry.and().formLogin().loginPage("/login").defaultSuccessUrl("/").permitAll()
//                // 自定义登陆用户名和密码属性名，默认为 username和password
//                .usernameParameter("username").passwordParameter("password")
//                // 异常处理
//                .failureUrl("/login/error").permitAll()
//                // 退出登录
//                .and().logout().permitAll();// 标识只能在 服务器本地ip[127.0.0.1或localhost] 访问`/home`接口，其他ip地址无法访问registry.antMatchers("/home").hasIpAddress("127.0.0.1");// 允许匿名的url - 可理解为放行接口 - 多个接口使用,分割registry.antMatchers("/login", "/index").permitAll();// OPTIONS(选项)：查找适用于一个特定网址资源的通讯选择。 在不需执行具体的涉及数据传输的动作情况下， 允许客户端来确定与资源相关的选项以及 / 或者要求， 或是一个服务器的性能registry.antMatchers(HttpMethod.OPTIONS, "/**").denyAll();// 自动登录 - cookie储存方式registry.and().rememberMe();// 其余所有请求都需要认证registry.anyRequest().authenticated();// 防止iframe 造成跨域registry.and().headers().frameOptions().disable();// 自定义过滤器认证用户名密码http.addFilterAt(adminAuthenticationProcessingFilter, UsernamePasswordAuthenticationFilter.class);}
}

@Slf4j
@Component
public class AdminAuthenticationProcessingFilter extends AbstractAuthenticationProcessingFilter {/*** @param authenticationManager:             认证管理器* @param adminAuthenticationSuccessHandler: 认证成功处理* @param adminAuthenticationFailureHandler: 认证失败处理*/public AdminAuthenticationProcessingFilter(CusAuthenticationManager authenticationManager, AdminAuthenticationSuccessHandler adminAuthenticationSuccessHandler, AdminAuthenticationFailureHandler adminAuthenticationFailureHandler) {super(new AntPathRequestMatcher("/login", "POST"));this.setAuthenticationManager(authenticationManager);this.setAuthenticationSuccessHandler(adminAuthenticationSuccessHandler);this.setAuthenticationFailureHandler(adminAuthenticationFailureHandler);}@Overridepublic Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response) throws AuthenticationException {if (request.getContentType() == null || !request.getContentType().contains(Constants.REQUEST_HEADERS_CONTENT_TYPE)) {throw new AuthenticationServiceException("请求头类型不支持: " + request.getContentType());}UsernamePasswordAuthenticationToken authRequest;try {MultiReadHttpServletRequest wrappedRequest = new MultiReadHttpServletRequest(request);// 将前端传递的数据转换成jsonBean数据格式User user = JSONObject.parseObject(wrappedRequest.getBodyJsonStrByJson(wrappedRequest), User.class);authRequest = new UsernamePasswordAuthenticationToken(user.getUsername(), user.getPassword(), null);authRequest.setDetails(authenticationDetailsSource.buildDetails(wrappedRequest));} catch (Exception e) {throw new AuthenticationServiceException(e.getMessage());}return this.getAuthenticationManager().authenticate(authRequest);}
}

@Component
public class CusAuthenticationManager implements AuthenticationManager {private final AdminAuthenticationProvider adminAuthenticationProvider;public CusAuthenticationManager(AdminAuthenticationProvider adminAuthenticationProvider) {this.adminAuthenticationProvider = adminAuthenticationProvider;}@Overridepublic Authentication authenticate(Authentication authentication) throws AuthenticationException {Authentication result = adminAuthenticationProvider.authenticate(authentication);if (Objects.nonNull(result)) {return result;}throw new ProviderNotFoundException("Authentication failed!");}
}

@Component
public class AdminAuthenticationProvider implements AuthenticationProvider {@AutowiredUserDetailsServiceImpl userDetailsService;@Autowiredprivate UserMapper userMapper;@Overridepublic Authentication authenticate(Authentication authentication) throws AuthenticationException {// 获取前端表单中输入后返回的用户名、密码String userName = (String) authentication.getPrincipal();String password = (String) authentication.getCredentials();SecurityUser userInfo = (SecurityUser) userDetailsService.loadUserByUsername(userName);boolean isValid = PasswordUtils.isValidPassword(password, userInfo.getPassword(), userInfo.getCurrentUserInfo().getSalt());// 验证密码if (!isValid) {throw new BadCredentialsException("密码错误！");}// 前后端分离情况下 处理逻辑...// 更新登录令牌 - 之后访问系统其它接口直接通过token认证用户权限...String token = PasswordUtils.encodePassword(System.currentTimeMillis() + userInfo.getCurrentUserInfo().getSalt(), userInfo.getCurrentUserInfo().getSalt());User user = userMapper.selectById(userInfo.getCurrentUserInfo().getId());user.setToken(token);userMapper.updateById(user);userInfo.getCurrentUserInfo().setToken(token);return new UsernamePasswordAuthenticationToken(userInfo, password, userInfo.getAuthorities());}@Overridepublic boolean supports(Class<?> aClass) {return true;}
}

@Service("userDetailsService")
public class UserDetailsServiceImpl implements UserDetailsService {@Autowiredprivate UserMapper userMapper;/**** 根据账号获取用户信息* @param username:* @return: org.springframework.security.core.userdetails.UserDetails*/@Overridepublic UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {// 从数据库中取出用户信息List<User> userList = userMapper.selectList(new EntityWrapper<User>().eq("username", username));User user;// 判断用户是否存在if (!CollectionUtils.isEmpty(userList)){user = userList.get(0);} else {throw new UsernameNotFoundException("用户名不存在！");}// 返回UserDetails实现类return new SecurityUser(user);}
}

@Data
@Slf4j
public class SecurityUser implements UserDetails {/*** 当前登录用户*/private transient User currentUserInfo;public SecurityUser() {}public SecurityUser(User user) {if (user != null) {this.currentUserInfo = user;}}@Overridepublic Collection<? extends GrantedAuthority> getAuthorities() {Collection<GrantedAuthority> authorities = new ArrayList<>();SimpleGrantedAuthority authority = new SimpleGrantedAuthority("admin");authorities.add(authority);return authorities;}@Overridepublic String getPassword() {return currentUserInfo.getPassword();}@Overridepublic String getUsername() {return currentUserInfo.getUsername();}@Overridepublic boolean isAccountNonExpired() {return true;}@Overridepublic boolean isAccountNonLocked() {return true;}@Overridepublic boolean isCredentialsNonExpired() {return true;}@Overridepublic boolean isEnabled() {return true;}
}

@Component
public class AdminAuthenticationSuccessHandler implements AuthenticationSuccessHandler {@Overridepublic void onAuthenticationSuccess(HttpServletRequest httpServletRequest, HttpServletResponse response, Authentication auth) throws IOException, ServletException {User user = new User();SecurityUser securityUser = ((SecurityUser) auth.getPrincipal());user.setToken(securityUser.getCurrentUserInfo().getToken());ResponseUtils.out(response, ApiResult.ok("登录成功!", user));}
}

@Slf4j
@Component
public class AdminAuthenticationFailureHandler implements AuthenticationFailureHandler {@Overridepublic void onAuthenticationFailure(HttpServletRequest httpServletRequest, HttpServletResponse response, AuthenticationException e) throws IOException, ServletException {ApiResult result;if (e instanceof UsernameNotFoundException || e instanceof BadCredentialsException) {result = ApiResult.fail(e.getMessage());} else if (e instanceof LockedException) {result = ApiResult.fail("账户被锁定，请联系管理员!");} else if (e instanceof CredentialsExpiredException) {result = ApiResult.fail("证书过期，请联系管理员!");} else if (e instanceof AccountExpiredException) {result = ApiResult.fail("账户过期，请联系管理员!");} else if (e instanceof DisabledException) {result = ApiResult.fail("账户被禁用，请联系管理员!");} else {log.error("登录失败：", e);result = ApiResult.fail("登录失败!");}ResponseUtils.out(response, result);}
}

AuthenticationException e = (AuthenticationException) request.getSession().getAttribute("SPRING_SECURITY_LAST_EXCEPTION");
System.out.println(e.getMessage());

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Login</title>
</head>
<body>
<h1>Spring Security</h1>
<form method="post" action="" onsubmit="return false"><div>用户名：<input type="text" name="username" id="username"></div><div>密码：<input type="password" name="password" id="password"></div><div>
<!--        <label><input type="checkbox" name="remember-me" id="remember-me"/>自动登录</label>--><button onclick="login()">登陆</button></div>
</form>
</body>
<script src="http://libs.baidu.com/jquery/1.9.0/jquery.js" type="text/javascript"></script>
<script type="text/javascript">function login() {var username = document.getElementById("username").value;var password = document.getElementById("password").value;// var rememberMe = document.getElementById("remember-me").value;$.ajax({async: false,type: "POST",dataType: "json",url: '/login',contentType: "application/json",data: JSON.stringify({"username": username,"password": password// "remember-me": rememberMe}),success: function (result) {console.log(result)if (result.code == 200) {alert("登陆成功");window.location.href = "../home.html";} else {alert(result.message)}}});}
</script>
</html>

<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><title>Title</title>
</head>
<body>
<h3>您好，登陆成功</h3>
<button onclick="window.location.href='/logout'">退出登录</button>
</body>
</html>

@Slf4j
@RestController
public class IndexController {@GetMapping("/")public ModelAndView showHome() {return new ModelAndView("home.html");}@GetMapping("/index")public String index() {return "Hello World ~";}@GetMapping("/login")public ModelAndView login() {return new ModelAndView("login.html");}@GetMapping("/home")public String home() {String name = SecurityContextHolder.getContext().getAuthentication().getName();log.info("登陆人：" + name);return "Hello~ " + name;}@GetMapping(value ="/admin")// 访问路径`/admin` 具有`crud`权限@PreAuthorize("hasPermission('/admin','crud')")public String admin() {return "Hello~ 管理员";}@GetMapping("/test")
//    @PreAuthorize("hasPermission('/test','t')")public String test() {return "Hello~ 测试权限访问接口";}/*** 登录异常处理 - 前后端一体的情况下* @param request* @param response*/@RequestMapping("/login/error")public void loginError(HttpServletRequest request, HttpServletResponse response) {AuthenticationException e = (AuthenticationException) request.getSession().getAttribute("SPRING_SECURITY_LAST_EXCEPTION");log.error(e.getMessage());ResponseUtils.out(response, ApiResult.fail(e.getMessage()));}
}