Add prefix x-oss-ac to V1 version signature

Author: zhuxiaolong37

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

@@ -106,6 +106,10 @@ public final class RequestParameters {
     public static final String SEQUENTIAL = "sequential";
 
     public static final String SECURITY_TOKEN = "security-token";
+    public static final String X_OSS_AC_SOURCE_IP = "x-oss-ac-source-ip";
+    public static final String X_OSS_AC_SUBNET_MASK = "x-oss-ac-subnet-mask";
+    public static final String X_OSS_AC_VPC_ID = "x-oss-ac-vpc-id";
+    public static final String X_OSS_AC_FORWARD_ALLOW = "x-oss-ac-forward-allow";
 
     public static final String POSITION = "position";
     public static final String STYLE_NAME = "styleName";

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

@@ -41,6 +41,7 @@ public class SignParameters {
             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_CALLBACK, SUBRESOURCE_CALLBACK_VAR,
-            SUBRESOURCE_DIR, SUBRESOURCE_RENAME, SUBRESOURCE_DIR_DELETE, SUBRESOURCE_TRANSFER_ACCELERATION});
+            SUBRESOURCE_DIR, SUBRESOURCE_RENAME, SUBRESOURCE_DIR_DELETE, SUBRESOURCE_TRANSFER_ACCELERATION,
+            X_OSS_AC_SOURCE_IP, X_OSS_AC_SUBNET_MASK, X_OSS_AC_VPC_ID, X_OSS_AC_FORWARD_ALLOW});
 
 }