Implement x-amz-acl handling

pkg/api/api_response.go

@@ -17,6 +17,7 @@
 package api
 
 import (
+	"net/http"
 	"sort"
 
 	"github.com/minio-io/minio/pkg/storage/drivers"
@@ -107,3 +108,14 @@ func generateObjectsListResult(bucket string, objects []drivers.ObjectMetadata,
 	data.CommonPrefixes = prefixes
 	return data
 }
+
+func writeErrorResponse(w http.ResponseWriter, req *http.Request, errorType int, acceptsContentType contentType, resource string) {
+	error := getErrorCode(errorType)
+	errorResponse := getErrorResponse(error, resource)
+	// set headers
+	setCommonHeaders(w, getContentTypeString(acceptsContentType))
+	w.WriteHeader(error.HTTPStatusCode)
+	// write body
+	encodedErrorResponse := encodeErrorResponse(errorResponse, acceptsContentType)
+	w.Write(encodedErrorResponse)
+}