一个通用的文件服务器认证访问的设计，解决 https://www.gitlink.org.cn/kk-open/kkFileView/issues/3 的问题

server/src/main/java/cn/keking/model/FileAttribute.java

@@ -20,6 +20,13 @@ public class FileAttribute {
     private Boolean skipDownLoad = false;
     private Boolean forceUpdatedCache = false;
 
+    /**
+     * 代理请求到文件服务器的认证请求头，格式如下：
+     * {“username”:"test","password":"test"}
+     * 请求文件服务器时，会将 json 直接塞到请求头里
+     */
+    private String kkProxyAuthorization;
+
     public FileAttribute() {
     }
 
@@ -124,4 +131,11 @@ public class FileAttribute {
         this.forceUpdatedCache = forceUpdatedCache;
     }
 
+    public String getKkProxyAuthorization() {
+        return kkProxyAuthorization;
+    }
+
+    public void setKkProxyAuthorization(String kkProxyAuthorization) {
+        this.kkProxyAuthorization = kkProxyAuthorization;
+    }
 }