From 992062600133f2558a456202f9be90a571f3f7e3 Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Tue, 5 Jan 2021 18:56:37 +0100
Subject: [PATCH] jitsi-post-install.sh: add HTTP secure headers to nginx
 configuration.

---
 jitsi-post-install.sh | 59 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 58 insertions(+), 1 deletion(-)

diff --git a/jitsi-post-install.sh b/jitsi-post-install.sh
index 20f1deb..b762804 100755
--- a/jitsi-post-install.sh
+++ b/jitsi-post-install.sh
@@ -1055,7 +1055,64 @@ server {
     ssl_session_cache shared:SSL:50m;
     ssl_session_tickets off;
 
-    add_header Strict-Transport-Security "max-age=31536000";
+
+    # ==========
+    # HTTP security Headers
+    # ==========
+
+    # HSTS (ngx_http_headers_module is required) (15768000 seconds = 6 months)
+    #
+    add_header Strict-Transport-Security "max-age=31536000" always;
+
+    add_header X-Frame-Options "SAMEORIGIN" always;
+    add_header X-XSS-Protection "1; mode=block" always;
+    add_header X-Content-Type-Options nosniff always;
+
+    add_header Referrer-Policy "strict-origin";
+
+    # - Geteiltes Dokument öffnen
+    #
+    #      # Add Etherpad-Lite host to frame-src, so frame-src becomes:
+    #      #
+    #      #    #frame-src 'self' https://<etherpad-lite-host> https://www.youtube.com ;
+    #      #
+    #      #    i.e. etherpad-litehost = epad-01.oopen.de
+    #      #
+    #      frame-src 'self' https://epad-01.oopen.de https://www.youtube.com ;
+    #
+    #
+    # - YouTube-Video teilen
+    #
+    #      # Add https://www.youtube.com to script-src, so script-src becomes:
+    #      #
+    #      script-src 'self' 'unsafe-inline' https://www.youtube.com ;
+    #
+    #      # Add https://www.youtube.com to frame-src, so frame-src becomes:
+    #      #
+    #      frame-src 'self' https://meet-ep-pee7eiji-xein9aiy.oopen.de https://www.youtube.com ;
+    #
+    #      # Add https://img.youtube.com to img-src, so img-src becomes:
+    #      img-src 'self' https://img.youtube.com
+    #
+    #
+    # - Hintergrundschärfe aktivieren:
+    #
+    #       # Add https://storage.googleapis.com to connect-src, so connect source becomes:
+    #       #
+    #       connect-src 'self' https://storage.googleapis.com;
+    #
+    #       # Add blob: to script-src, so script-src becomes:
+    #       script-src 'self' 'unsafe-inline' https://www.youtube.com blob:
+    #
+    # Note!
+    #   Other directives (like worker-src, or child-src, or..) are falling back to 'default-src'.
+    #
+    #add_header Content-Security-Policy "default-src 'none'; script-src 'self' 'unsafe-inline' https://www.youtube.com ; img-src 'self' https://img.youtube.com ; style-src 'self' 'unsafe-inline' ; font-src 'self'; frame-src 'self' https://epad-01.oopen.de https://www.youtube.com ; object-src 'none'; frame-ancestors 'none'; form-action 'self'; base-uri 'self'; connect-src 'self' https://storage.googleapis.com ; media-src 'self'";
+
+    add_header Content-Security-Policy "block-all-mixed-content ; default-src 'none'; script-src 'self' 'unsafe-inline' https: blob: ; img-src 'self' https: ; style-src 'self' 'unsafe-inline' ; font-src 'self'; frame-src 'self' https: ; object-src 'none'; frame-ancestors 'none'; form-action 'self'; base-uri 'self'; connect-src 'self' https: ; media-src 'self'";
+
+    add_header Permissions-Policy "geolocation=();midi=();notifications=();push=();sync-xhr=();microphone=();camera=();magnetometer=();gyroscope=();speaker=(self);vibrate=();fullscreen=(self);payment=();";
+
 
     ssl_certificate /var/lib/dehydrated/certs/${FQHN_HOSTNAME}/fullchain.pem;
     ssl_certificate_key /var/lib/dehydrated/certs/${FQHN_HOSTNAME}/privkey.pem;