add sub resources: callback and callback-var.

Author: liyanzhang505

src/main/java/com/aliyun/oss/internal/RequestParameters.java

@@ -71,6 +71,8 @@ public final class RequestParameters {
     public static final String SUBRESOURCE_WORM = "worm";
     public static final String SUBRESOURCE_WORM_ID = "wormId";
     public static final String SUBRESOURCE_WORM_EXTEND = "wormExtend";
+    public static final String SUBRESOURCE_CALLBACK = "callback";
+    public static final String SUBRESOURCE_CALLBACK_VAR = "callback-var";
 
     public static final String SUBRESOURCE_UDF = "udf";
     public static final String SUBRESOURCE_UDF_NAME = "udfName";

src/main/java/com/aliyun/oss/internal/SignParameters.java

@@ -40,7 +40,7 @@ public class SignParameters {
             SUBRESOURCE_ENCRYPTION, SUBRESOURCE_POLICY, SUBRESOURCE_REQUEST_PAYMENT, OSS_TRAFFIC_LIMIT,
             SUBRESOURCE_QOS_INFO, SUBRESOURCE_ASYNC_FETCH, SEQUENTIAL, OSS_REQUEST_PAYER, VPCIP, VIP,
             SUBRESOURCE_INVENTORY, SUBRESOURCE_INVENTORY_ID, SUBRESOURCE_CONTINUATION_TOKEN, SUBRESOURCE_WORM,
-            SUBRESOURCE_WORM_ID, SUBRESOURCE_WORM_EXTEND});
+            SUBRESOURCE_WORM_ID, SUBRESOURCE_WORM_EXTEND, SUBRESOURCE_CALLBACK, SUBRESOURCE_CALLBACK_VAR});
 
 
 }