From 3d50731886d157e36993251ab40bfe5fb81edc66 Mon Sep 17 00:00:00 2001
From: rauwebieten <rauwe.bieten@gmail.com>
Date: Wed, 13 Sep 2017 15:55:41 +0200
Subject: [PATCH] IE content-disposition bugfix

---
 src/Psr7PartialDownload.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Psr7PartialDownload.php b/src/Psr7PartialDownload.php
index 778e8d7..0321711 100644
--- a/src/Psr7PartialDownload.php
+++ b/src/Psr7PartialDownload.php
@@ -29,6 +29,10 @@ public function sendFile(ServerRequestInterface $request, ResponseInterface $res
         $invalidChars = array('<', '>', '?', '"', ':', '|', '\\', '/', '*', '&');
         $fileName = str_replace($invalidChars, '', $fileName);
 
+        if (preg_match('/MSIE/', $_SERVER['HTTP_USER_AGENT'])) {
+            $fileName = rawurlencode($fileName);
+        }
+
         $response = $response->withHeader('Content-Type', $contentType);
         $response = $response->withHeader('Accept-Ranges', 'bytes');
         $response = $response->withHeader('Content-Disposition', "attachment; filename=\"{$fileName}\"");