From 8d84e45c3c871f7106a8dffe9ceb2b2de64d427c Mon Sep 17 00:00:00 2001
From: Daniel Winzen <daniel@danwin1210.me>
Date: Thu, 15 Oct 2020 09:42:29 +0200
Subject: [PATCH] Add promise not to use any features

---
 chat.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/chat.php b/chat.php
index cf9a293..41804ae 100644
--- a/chat.php
+++ b/chat.php
@@ -3297,6 +3297,7 @@ function send_headers(){
 	header('Cache-Control: no-cache, no-store, must-revalidate, max-age=0, private');
 	header('Expires: 0');
 	header('Referrer-Policy: no-referrer');
+	header("Permissions-Policy: accelerometer 'none'; ambient-light-sensor 'none'; autoplay 'none'; battery 'none'; camera 'none'; cross-origin-isolated 'none'; display-capture 'none'; document-domain 'none'; encrypted-media 'none'; geolocation 'none'; fullscreen 'none'; execution-while-not-rendered 'none'; execution-while-out-of-viewport 'none'; gyroscope 'none'; magnetometer 'none'; microphone 'none'; midi 'none'; navigation-override 'none'; payment 'none'; picture-in-picture 'none'; publickey-credentials-get 'none'; screen-wake-lock 'none'; sync-xhr 'none'; usb 'none'; web-share 'none'; xr-spatial-tracking 'none'; clipboard-read 'none'; clipboard-write 'none'; gamepad 'none'; speaker-selection 'none'; conversion-measurement 'none'; focus-without-user-activation 'none'; hid 'none'; idle-detection 'none'; sync-script 'none'; vertical-scroll 'none'; serial 'none'; trust-token-redemption 'none';");
 	$style_hashes = '';
 	foreach($styles as $style) {
 		$style_hashes .= " 'sha256-".base64_encode(hash('sha256', $style, true))."'";