验证码校验模式前端误传请求头，不做严格校验，修复极验空指针问题

src/main/java/cn/quantgroup/xyqb/filter/BehaviorInterceptor.java

@@ -41,10 +41,18 @@ public class BehaviorInterceptor implements HandlerInterceptor {
             }
         }
 
+        //前端误传请求头参数，兼容处理
         String id = request.getHeader(Constants.X_BEHAVIOR_ID);
         if (StringUtils.isEmpty(id)) {
-            throw new BizException(BizExceptionEnum.UN_EXIT_VERIFY_CODE);
+            HandlerMethod handlerMethod = (HandlerMethod) handler;
+            BehaviorAuth behaviorAuth = handlerMethod.getMethodAnnotation(BehaviorAuth.class);
+            if (behaviorAuth == null) {
+                return true;
+            } else {
+                throw new BizException(BizExceptionEnum.UN_EXIT_VERIFY_CODE);
+            }
         }
+
         Map<String, String> data = new HashMap<>();
         data.put(Constants.X_BEHAVIOR_ID, id);
         data.put(Constants.X_BEHAVIOR_IP, IpUtil.getRemoteIP(request));

src/main/java/cn/quantgroup/xyqb/service/captcha/GeetestLib.java

@@ -301,6 +301,9 @@ public class GeetestLib {
             JSONObject return_map = JSONObject.parseObject(response);
             return_map = return_map == null ? new JSONObject(): return_map;
             return_seccode = return_map.getString("seccode");
+            if (return_seccode == null) {
+                return val;
+            }
             gtlog("md5: " + Md5Util.build(return_seccode));
             if (return_seccode.equals(Md5Util.build(seccode))) {
                 gtlog("validateMethod: "+ return_map.getString("challenge_type"));

src/main/java/cn/quantgroup/xyqb/util/encrypt/Md5Util.java

 package cn.quantgroup.xyqb.util.encrypt;
 
+import cn.quantgroup.xyqb.util.StringUtils;
 import lombok.extern.slf4j.Slf4j;
 
 import java.security.MessageDigest;
@@ -19,6 +20,9 @@ public final class Md5Util {
             log.error("MessageDigest获取实例失败", e);
             return null;
         }
+        if (StringUtils.isEmpty(content)) {
+            return null;
+        }
         messageDigest.update(content.getBytes());
         byte[] domain = messageDigest.digest();
         StringBuilder md5StrBuff = new StringBuilder();