## Managed by Ansible ##

# Add headers to serve security related headers
# Before enabling Strict-Transport-Security headers please read into this
# topic first.
# add_header Strict-Transport-Security "max-age=15768000;
# includeSubDomains; preload;";
#
# WARNING: Only add the preload option once you read about
# the consequences in https://hstspreload.org/. This option
# will add the domain to a hardcoded list that is shipped
# in all major browsers and getting removed from this list
# could take several months.
#add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload";
#add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;

# config to don't allow the browser to render the page inside an frame or iframe
# and avoid clickjacking http://en.wikipedia.org/wiki/Clickjacking
# if you need to allow [i]frames, you can use SAMEORIGIN or even set an uri with ALLOW-FROM uri
# https://developer.mozilla.org/en-US/docs/HTTP/X-Frame-Options
#add_header X-Frame-Options SAMEORIGIN;
add_header X-Frame-Options "SAMEORIGIN" always;

# when serving user-supplied content, include a X-Content-Type-Options: nosniff header along with the Content-Type: header,
# to disable content-type sniffing on some browsers.
# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
# currently suppoorted in IE > 8 http://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx
# http://msdn.microsoft.com/en-us/library/ie/gg622941(v=vs.85).aspx
# 'soon' on Firefox https://bugzilla.mozilla.org/show_bug.cgi?id=471020
#add_header X-Content-Type-Options nosniff;
add_header X-Content-Type-Options "nosniff" always;

# This header enables the Cross-site scripting (XSS) filter built into most recent web browsers.
# It's usually enabled by default anyway, so the role of this header is to re-enable the filter for
# this particular website if it was disabled by the user.
# https://www.owasp.org/index.php/List_of_useful_HTTP_headers
#add_header X-XSS-Protection "1; mode=block";
add_header X-XSS-Protection "1; mode=block" always;

# with Content Security Policy (CSP) enabled(and a browser that supports it(http://caniuse.com/#feat=contentsecuritypolicy),
# you can tell the browser that it can only download content from the domains you explicitly allow
# http://www.html5rocks.com/en/tutorials/security/content-security-policy/
# https://www.owasp.org/index.php/Content_Security_Policy
# I need to change our application code so we can increase security by disabling 'unsafe-inline' 'unsafe-eval'
# directives for css and js(if you have inline css or js, you will need to keep it too).
# more: http://www.html5rocks.com/en/tutorials/security/content-security-policy/#inline-code-considered-harmful
#add_header Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; font-src 'self'; object-src to 'none'; frame-ancestors 'self' https://*.twirling.de https://twirling.de";

#add_header Referrer-Policy no-referrer;
add_header Referrer-Policy "no-referrer" always;

add_header Feature-Policy "accelerometer 'none'; autoplay 'self'; geolocation 'self'; midi 'none'; notifications 'self'; push 'self'; sync-xhr 'self' https://*.twirling.de; microphone 'self'; camera 'self'; magnetometer 'none'; gyroscope 'none'; speaker 'self'; vibrate 'self'; fullscreen 'self'; payment 'none'; usb 'none'";
add_header Permissions-Policy "geolocation=(self);midi=();notifications=(self);push=(self);sync-xhr=(self 'https://*.twirling.de');microphone=(self);camera=(self);magnetometer=();gyroscope=();speaker=(self);vibrate=();fullscreen=(self);payment=()";

# Add Alt-Svc header to negotiate HTTP/3.
#add_header Alt-Svc 'quic=":443"'; # Advertise that QUIC is available
#add_header QUIC-Status $quic;     # Sent when QUIC was used