improving security with CSP and referrer policy

cai4cai · Apr 22, 2024 · df89010 · df89010
1 parent 549af72
commit df89010
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/index.html b/index.html
@@ -2,6 +2,9 @@
 <html>
 <head>
    <meta charset="UTF-8">
+   <meta name="referrer" content="no-referrer" />
+   <meta http-equiv="Content-Security-Policy" content="default-src 'none'; style-src-elem 'self' 'unsafe-inline'; script-src 'self' https://cdnjs.cloudflare.com 'unsafe-inline' 'unsafe-eval'" >
+   <meta http-equiv="Permissions-Policy" content="accelerometer=(), ambient-light-sensor=(), autoplay=(), battery=(), camera=(), cross-origin-isolated=(), display-capture=(), document-domain=(), encrypted-media=(), execution-while-not-rendered=(), execution-while-out-of-viewport=(), fullscreen=(), geolocation=(), gyroscope=(), keyboard-map=(), magnetometer=(), microphone=(), midi=(), navigation-override=(), payment=(), picture-in-picture=(), publickey-credentials-get=(), screen-wake-lock=(), sync-xhr=(), usb=(), web-share=(), xr-spatial-tracking=(), clipboard-read=(), clipboard-write=(), gamepad=(), speaker-selection=(), conversion-measurement=(), focus-without-user-activation=(), hid=(), idle-detection=(), interest-cohort=(), serial=(), sync-script=(), trust-token-redemption=(), unload=(), window-placement=(), vertical-scroll=()" >
    <title>Compute SHA-1 from CSV in browser</title>
    <style>
       #options {
@@ -274,6 +277,7 @@ <h1>Data preview</h1>
 
          // 👇 load the input file to the reader
          setLoadingVisible(true);
+         console.log("Starting file reading");
          reader.readAsText(input);
       });
    </script>