From 906abdcd8facadde1c5a0855beebe265f245377b Mon Sep 17 00:00:00 2001
From: flashwave <me@flash.moe>
Date: Wed, 16 Jan 2019 19:53:45 +0100
Subject: [PATCH] Use case sensitive ETag for proxy.

---
 public/proxy.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/proxy.php b/public/proxy.php
index dc05c993..4d4b693d 100644
--- a/public/proxy.php
+++ b/public/proxy.php
@@ -63,9 +63,9 @@ curl_setopt_array($curl, [
 $curlBody = curl_exec($curl);
 curl_close($curl);
 
-$entityTag = '"' . hash('sha256', $curlBody) . '"';
+$entityTag = 'W/"' . hash('sha256', $curlBody) . '"';
 
-if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) && strtolower($_SERVER['HTTP_IF_NONE_MATCH']) === $entityTag) {
+if (!empty($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] === $entityTag) {
     http_response_code(304);
     return;
 }