aadd first files based on caddy-filemanager

Former-commit-id: 20baeeb41a9555cefc3b31b495e24e907736c443

wrapper/response_writer.go

@@ -0,0 +1,29 @@
+package wrapper
+
+import "net/http"
+
+// ResponseWriterNoBody is a wrapper used to suprress the body of the response
+// to a request. Mainly used for HEAD requests.
+type ResponseWriterNoBody struct {
+	http.ResponseWriter
+}
+
+// NewResponseWriterNoBody creates a new ResponseWriterNoBody.
+func NewResponseWriterNoBody(w http.ResponseWriter) *ResponseWriterNoBody {
+	return &ResponseWriterNoBody{w}
+}
+
+// Header executes the Header method from the http.ResponseWriter.
+func (w ResponseWriterNoBody) Header() http.Header {
+	return w.ResponseWriter.Header()
+}
+
+// Write suprresses the body.
+func (w ResponseWriterNoBody) Write(data []byte) (int, error) {
+	return 0, nil
+}
+
+// WriteHeader writes the header to the http.ResponseWriter.
+func (w ResponseWriterNoBody) WriteHeader(statusCode int) {
+	w.ResponseWriter.WriteHeader(statusCode)
+}