task-4611 川北剩余高中危漏洞处理

   CORS(跨站资源共享)原始验证失败【原理扫描】漏洞修复
   修复逻辑错误

ibps-provider-root/modules/provider-business/src/main/java/com/lc/ibps/filter/CORSFilter.java

@@ -43,23 +43,30 @@ public class CORSFilter implements Filter {
         // 1. 获取请求的 Origin（跨域请求会带这个头）
         String origin = httpRequest.getHeader("Origin");
 
-        // 2. 如果存在 Origin 且不是同源且没有配置白名单，直接拒绝
         //2. 存在启用的CORS跨域白名单配置
         String sql = " select id_,biao_ti_,can_shu_zhi_1_ from t_zlcsb where shi_fou_qi_yong_ = 1 and jian_zhi_='%s'";
         sql = String.format(sql,"CORS");
         Map<String,Object> corszlcs = commonDao.queryOne(sql);
-        if(BeanUtils.isEmpty(corszlcs)){//不启用
+        if(BeanUtils.isEmpty(corszlcs)){//不启用跨域访白名单控制
             filterChain.doFilter(httpRequest, response);
         }else{
-            String bmd = (String) corszlcs.get("can_shu_zhi_1_");
-            //if (origin != null && !origin.startsWith(httpRequest.getScheme() + "://" + httpRequest.getServerName())) {
-            if (origin != null && !bmd.contains(httpRequest.getServerName())) {
-                log.info("杂类参数表中配置的允许跨域访问的白名单不包括{},请联系管理员添加",httpRequest.getServerName());
-                response.setStatus(HttpServletResponse.SC_FORBIDDEN); // 403
-                response.getWriter().write("CORS not allowed ,please contract administrator");
-                return;
+            String bmd = "";
+            if(BeanUtils.isNotEmpty(corszlcs.get("can_shu_zhi_1_"))){
+                bmd = (String)corszlcs.get("can_shu_zhi_1_");
+            }
+            //非服务器同域名访问，需要校验白名单
+            if (origin != null && !origin.startsWith(httpRequest.getScheme() + "://" + httpRequest.getServerName())) {
+                if (!bmd.contains(httpRequest.getServerName())) {
+                    log.info("杂类参数表中配置的允许访问的白名单不包括{},请联系管理员添加",httpRequest.getServerName());
+                    response.setStatus(HttpServletResponse.SC_FORBIDDEN); // 403
+                    response.getWriter().write("CORS not allowed ,please contract administrator");
+                    return;
+                }
+                filterChain.doFilter(httpRequest, response);
+            }else{
+                //origin为空放行，或者前端域名和服务器域名相同也放行
+                filterChain.doFilter(httpRequest, response);
             }
-            filterChain.doFilter(httpRequest, response);
         }
 
     }