springsecurity自定义密码验证_数字图形验证码怎么填

@Configuration
public class KaptchaImageCodeConfig { 

@Bean
public DefaultKaptcha getDefaultKaptcha(){ 

DefaultKaptcha defaultKaptcha = new DefaultKaptcha();
Properties properties = new Properties();
properties.setProperty(Constants.KAPTCHA_BORDER, "yes");
properties.setProperty(Constants.KAPTCHA_BORDER_COLOR, "192,192,192");
properties.setProperty(Constants.KAPTCHA_IMAGE_WIDTH, "110");
properties.setProperty(Constants.KAPTCHA_IMAGE_HEIGHT, "36");
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_COLOR, "blue");
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_SIZE, "28");
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_FONT_NAMES, "宋体");
properties.setProperty(Constants.KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "4");
// 图片效果
properties.setProperty(Constants.KAPTCHA_OBSCURIFICATOR_IMPL,
"com.google.code.kaptcha.impl.ShadowGimpy");
Config config = new Config(properties);
defaultKaptcha.setConfig(config);
return defaultKaptcha;
}
}

Logger logger = LoggerFactory.getLogger(getClass());
public static final String SESSION_KEY = "SESSION_KEY_IMAGE_CODE";
@GetMapping("/code/image")
public void codeImage(HttpServletRequest request, HttpServletResponse response) throws IOException { 

// 获得随机验证码
String code = defaultKaptcha.createText();
logger.info("验证码：{}",code);
// 将验证码存入session
request.getSession().setAttribute(SESSION_KEY,code);
// 绘制验证码
BufferedImage image = defaultKaptcha.createImage(code);
// 输出验证码
ServletOutputStream out = response.getOutputStream();
ImageIO.write(image, "jpg", out);
}

<div class="form-group">
<label>验证码：</label>
<input type="text" class="form-control" placeholder="验证码" name="code">
<img src="/code/image" th:src="@{/code/image}" onclick="this.src='/code/image?'+Math.random()">
</div>

@Component
public class ImageCodeValidateFilter extends OncePerRequestFilter { 

private MyAuthenticationFailureHandler myAuthenticationFailureHandler;
// 失败处理器
@Resource
public void setMyAuthenticationFailureHandler(MyAuthenticationFailureHandler myAuthenticationFailureHandler) { 

this.myAuthenticationFailureHandler = myAuthenticationFailureHandler;
}
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException { 

try { 

if ("/login/form".equals(request.getRequestURI()) &&
request.getMethod().equalsIgnoreCase("post")) { 

// 获取session的验证码
String sessionCode = (String) request.getSession().getAttribute(PageController.SESSION_KEY);
// 获取用户输入的验证码
String inputCode = request.getParameter("code");
// 判断是否正确
if(sessionCode == null||!sessionCode.equals(inputCode)){ 

throw new ValidateCodeException("验证码错误");
}
}
}catch (AuthenticationException e){ 

myAuthenticationFailureHandler.onAuthenticationFailure(request,response,e);
//e.printStackTrace();
return;
}
filterChain.doFilter(request, response);
}
}

public class ValidateCodeException extends AuthenticationException { 

public ValidateCodeException(String msg) { 

super(msg);
}
}

@Resource
private ImageCodeValidateFilter imageCodeValidateFilter;
@Override
protected void configure(HttpSecurity http) throws Exception { 

// 前后代码略
// 添加图形验证码过滤器链
http.addFilterBefore(imageCodeValidateFilter, UsernamePasswordAuthenticationFilter.class)
}

// 拦截设置
http
.authorizeHttpRequests()
//排除/login
.antMatchers("/login","/code/image").permitAll();