支付接口合规改造

order-application-service/src/main/java/cn/freemud/interceptor/FeignInterceptor.java

@@ -4,50 +4,60 @@ import cn.freemud.utils.AppLogUtil;
 import com.alibaba.fastjson.JSON;
 import feign.RequestInterceptor;
 import feign.RequestTemplate;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.context.request.RequestContextHolder;
 import org.springframework.web.context.request.ServletRequestAttributes;
 
 import javax.servlet.http.HttpServletRequest;
-import java.util.Arrays;
-import java.util.Enumeration;
-import java.util.LinkedHashMap;
-import java.util.Map;
+import java.util.*;
 
 @Configuration
 public class FeignInterceptor implements RequestInterceptor {
+
+    @Value("${forward.feign.headers:x-forwarded-for, x-real-ip}")
+    private Set<String> needHeaders;
+
     @Override
     public void apply(RequestTemplate requestTemplate) {
-        Map<String, String> headers = getHeaders(getHttpServletRequest());
-        for(String headerName : headers.keySet()){
+        HttpServletRequest httpServletRequest = this.getHttpServletRequest();
+        if (Objects.nonNull(httpServletRequest)) {
+            Map<String, String> headers = getHeaders(httpServletRequest);
+            for (String headerName : headers.keySet()) {
                 requestTemplate.header(headerName, getHeaders(getHttpServletRequest()).get(headerName));
             }
         }
+    }
+
     private HttpServletRequest getHttpServletRequest() {
         try {
-            return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
+            ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
+            if (Objects.isNull(requestAttributes)) {
+                return null;
+            }
+            return requestAttributes.getRequest();
         } catch (Exception e) {
-            AppLogUtil.errorLog("FeignInterceptor error {}", "","", e);
+            AppLogUtil.errorLog("FeignInterceptor error {}", "", "", e);
             return null;
         }
     }
+
     private Map<String, String> getHeaders(HttpServletRequest request) {
         Map<String, String> map = new LinkedHashMap<>();
         Enumeration<String> enumeration = request.getHeaderNames();
         while (enumeration.hasMoreElements()) {
             String key = enumeration.nextElement();
-            if(needThisHeader(key)){
+            if (needThisHeader(key)) {
                 String value = request.getHeader(key);
                 map.put(key, value);
             }
         }
-        AppLogUtil.printLog("clientIp for feign client info:" + JSON.toJSONString(map), "","");
+        AppLogUtil.printLog("clientIp for feign client info:" + JSON.toJSONString(map), "", "");
         return map;
     }
 
-    private boolean needThisHeader(String headerName){
+    private boolean needThisHeader(String headerName) {
         // TODO:过滤哪些header需要传递，千万不能把所有的header传下去
-        String[] needHeaders = {"x-forwarded-for", "x-real-ip"};
-        return Arrays.asList(needHeaders).contains(headerName);
+        return needHeaders.contains(headerName);
     }
 }