Modify: auth instance as first param in SignURI/Request

pkg/filesystem/local/handler.go

@@ -142,12 +142,14 @@ func (handler Handler) Source(
 
 		// 签名生成文件记录
 		signedURI, err = auth.SignURI(
+			auth.General,
 			fmt.Sprintf("/api/v3/file/download/%s", downloadSessionID),
 			expires,
 		)
 	} else {
 		// 签名生成文件记录
 		signedURI, err = auth.SignURI(
+			auth.General,
 			fmt.Sprintf("/api/v3/file/get/%d/%s", file.ID, file.Name),
 			expires,
 		)

pkg/filesystem/remote/handler.go

@@ -79,7 +79,8 @@ func (handler Handler) Token(ctx context.Context, TTL int64, key string) (serial
 	uploadRequest.Header = map[string][]string{
 		"X-Policy": {policyEncoded},
 	}
-	auth.SignRequest(uploadRequest, time.Now().Unix()+TTL)
+	remoteAuth := auth.HMACAuth{SecretKey: []byte(handler.Policy.SecretKey)}
+	auth.SignRequest(remoteAuth, uploadRequest, time.Now().Unix()+TTL)
 
 	if credential, ok := uploadRequest.Header["Authorization"]; ok && len(credential) == 1 {
 		return serializer.UploadCredential{