本文基于上文 SpringSecurityOAuth2(5)自定义登录登出
在封装了一层RestTemplate 请求的基础上。请求code,使用redis保存带用户名的限时缓存 例如保存60秒缓存 在登录请求验证用户名密码之前先进过code验证。
登录设置验证码,验证码有效期为1分钟,登录成功后或者到达最大时间后验证码即失效。验证码以用户名_code 的关键字保存在redis中,并设置失效时间,用户名+验证码匹配通过后才进行下一步的token生成,生成token后,即删除验证码。
改造(5)中的tokenController代码(本文只展示实现思路,code直接生成随机数了)
@PostMapping("/login")
public ResponseVo login(HttpServletRequest request) throws UnsupportedEncodingException {
String header = request.getHeader("Authorization");
if (header == null && !header.startsWith("Basic")) {
return new ResponseVo(400, "请求头中缺少参数");
}
String code = request.getParameter("code");
String username = request.getParameter("username");
if(code==null){
return new ResponseVo(500,"验证码缺失");
}
String old_code =redisTemplate.opsForValue().get(username+"_code");
if(old_code==null){
return new ResponseVo(500,"验证码不存在或者已经过期");
}
if(!code.equals(old_code)){
return new ResponseVo(500,"验证码错误");
}
String url = "http://" + request.getRemoteAddr() + ":" + request.getServerPort() + "/oauth/token";
Map<String, Object> map = new HashMap<>();
map.put("grant_type", "password");
map.put("username", username);
map.put("password", request.getParameter("password"));
HttpHeaders headers = new HttpHeaders();
headers.set("Authorization", header);
headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED); // 必须该模式,不然请求端无法取到 grant_type
HttpEntity httpEntity = new HttpEntity<>(headers);
ResponseEntity<String> response = restTemplate.postForEntity(url + "?" + LinkStringUtil.createLinkStringByGet(map), httpEntity, String.class);
if (response.getStatusCodeValue() == 200) {
return new ResponseVo(200, "登录成功", JSONObject.parseObject(response.getBody()));
} else {
return new ResponseVo(500, "登录失败");
}
}
@PostMapping("/getCode")
public String getCode(String username) {
String code = String.valueOf(Math.random() * 100);
redisTemplate.opsForValue().set(username + "_code", code, 60, TimeUnit.SECONDS);
return "code is " + code;
}
验证通过:
验证码失效或者错误: