From 8383fb42903e46961f6a1a35c35f5cdfc0c57f5f Mon Sep 17 00:00:00 2001
From: Jim Wright <j--w@users.noreply.github.com>
Date: Thu, 23 Mar 2017 14:52:29 +0000
Subject: [PATCH] Add support for download xhr headers (#375)

---
 papaparse.js | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/papaparse.js b/papaparse.js
index f00ae56..255d2ea 100644
--- a/papaparse.js
+++ b/papaparse.js
@@ -581,6 +581,16 @@
 			}
 
 			xhr.open('GET', this._input, !IS_WORKER);
+			// Headers can only be set when once the request state is OPENED
+			if (this._config.downloadRequestHeaders)
+			{
+				var headers = this._config.downloadRequestHeaders;
+
+				for (var headerName in headers)
+				{
+					xhr.setRequestHeader(headerName, headers[headerName]);
+				}
+			}
 
 			if (this._config.chunkSize)
 			{