From af4e0a7a5054d6ef1ca725ed31c2181232968035 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20=C5=BB=C3=B3=C5=82tak?= <zozlak@zozlak.org>
Date: Tue, 17 Sep 2024 18:04:29 +0200
Subject: [PATCH] EntityController.php::redirect(): make it work if no Accept
 header is specified

---
 controller/EntityController.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/controller/EntityController.php b/controller/EntityController.php
index ffdfdeb4..3db582f7 100644
--- a/controller/EntityController.php
+++ b/controller/EntityController.php
@@ -70,7 +70,11 @@ public function redirect($request) {
         // optional query parameter for forcing a specific format
         $requestedFormat = $request->getQueryParam('format');
 
-        $targetFormat = $this->negotiateFormat($supportedFormats, $request->getServerConstant('HTTP_ACCEPT'), $requestedFormat);
+		$accept = $request->getServerConstant('HTTP_ACCEPT');
+		if (empty($accept)) {
+			$accept = '*/*';
+		}
+        $targetFormat = $this->negotiateFormat($supportedFormats, $accept, $requestedFormat);
 
         if (in_array($targetFormat, $restFormats)) {
             $this->redirectREST($request->getVocab(), $request->getUri(), $targetFormat);