map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 80;
    listen [::]:80;
    server_name {{ domain }};

    access_by_lua_file /usr/share/ssowat/access.lua;

    include /etc/nginx/conf.d/{{ domain }}.d/*.conf;

    location /yunohost/admin {
        return 301 https://$http_host$request_uri;
    }

    location /.well-known/autoconfig/mail/ {
        alias /var/www/.well-known/{{ domain }}/autoconfig/mail/;
    }

    access_log /var/log/nginx/{{ domain }}-access.log;
    error_log /var/log/nginx/{{ domain }}-error.log;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name {{ domain }};

    ssl_certificate /etc/yunohost/certs/{{ domain }}/crt.pem;
    ssl_certificate_key /etc/yunohost/certs/{{ domain }}/key.pem;
    ssl_session_timeout 5m;
    ssl_session_cache shared:SSL:50m;

    {% if compatibility == "modern" %}
    # Ciphers with modern compatibility
    # https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=nginx-1.6.2&openssl=1.0.1t&hsts=yes&profile=modern
    # The following configuration use modern ciphers, but remove compatibility with some old clients (android < 5.0, Internet Explorer < 10, ...)
    ssl_protocols TLSv1.2;
    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
    ssl_prefer_server_ciphers on;
    {% else %}
    # As suggested by Mozilla : https://wiki.mozilla.org/Security/Server_Side_TLS and https://en.wikipedia.org/wiki/Curve25519
    ssl_ecdh_curve secp521r1:secp384r1:prime256v1;
    ssl_prefer_server_ciphers on;

    # Ciphers with intermediate compatibility
    # https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=nginx-1.6.2&openssl=1.0.1t&hsts=yes&profile=intermediate
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';

    # Uncomment the following directive after DH generation
    # > openssl dhparam -out /etc/ssl/private/dh2048.pem -outform PEM -2 2048
    #ssl_dhparam /etc/ssl/private/dh2048.pem;
    {% endif %}

    # Follows the Web Security Directives from the Mozilla Dev Lab and the Mozilla Obervatory + Partners
    # https://wiki.mozilla.org/Security/Guidelines/Web_Security
    # https://observatory.mozilla.org/ 
    {% if domain_cert_ca != "Self-signed" %}
    more_set_headers "Strict-Transport-Security : max-age=63072000; includeSubDomains; preload";
    {% endif %}
    more_set_headers "Content-Security-Policy : upgrade-insecure-requests";
    more_set_headers "Content-Security-Policy-Report-Only : default-src https: data: 'unsafe-inline' 'unsafe-eval'";
    more_set_headers "X-Content-Type-Options : nosniff";
    more_set_headers "X-XSS-Protection : 1; mode=block";
    more_set_headers "X-Download-Options : noopen";
    more_set_headers "X-Permitted-Cross-Domain-Policies : none";
    more_set_headers "X-Frame-Options : SAMEORIGIN";

    {% if domain_cert_ca == "Let's Encrypt" %}
    # OCSP settings
    ssl_stapling on;
    ssl_stapling_verify on;
    ssl_trusted_certificate /etc/yunohost/certs/{{ domain }}/crt.pem;
    resolver 127.0.0.1 127.0.1.1 valid=300s;
    resolver_timeout 5s;
    {% endif %}

    # Disable gzip to protect against BREACH
    # Read https://trac.nginx.org/nginx/ticket/1720 (text/html cannot be disabled!)
    gzip off;

    access_by_lua_file /usr/share/ssowat/access.lua;

    include /etc/nginx/conf.d/{{ domain }}.d/*.conf;

    include /etc/nginx/conf.d/yunohost_admin.conf.inc;
    include /etc/nginx/conf.d/yunohost_api.conf.inc;

    access_log /var/log/nginx/{{ domain }}-access.log;
    error_log /var/log/nginx/{{ domain }}-error.log;
}