From e8291be26125817b4482411a5907ecf4d4cfb079 Mon Sep 17 00:00:00 2001
From: Arran Ubels <arran4@gmail.com>
Date: Wed, 12 Dec 2018 12:24:59 +1100
Subject: [PATCH] SimpleUpload needs to support reader interface for requests

I found that this worked for me.
---
 request.go | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/request.go b/request.go
index 8831857..d035e9e 100644
--- a/request.go
+++ b/request.go
@@ -41,10 +41,17 @@ func (od *OneDrive) newRequest(method, uri string, requestHeaders map[string]str
 		return nil, errors.New(fmt.Sprintf("you are making too many requests. Please wait: %s", od.throttle.Sub(time.Now())))
 	}
 
-	requestBody, err := createRequestBody(body)
-	if err != nil {
-		return nil, err
-	}
+	var requestBody io.Reader
+
+	switch b := body.(type) {
+	  case io.Reader:
+	    requestBody = b
+	  default:
+	    var err error
+	    if requestBody, err = createRequestBody(b); err != nil {
+	      return nil, err
+	    }
+	  }
 
 	req, err := http.NewRequest(method, od.BaseURL+uri, requestBody)
 	if err != nil {