##
# You should look at the following URL's in order to grasp a solid understanding
# of Nginx configuration files in order to fully unleash the power of Nginx.
# https://www.nginx.com/resources/wiki/start/
# https://www.nginx.com/resources/wiki/start/topics/tutorials/config_pitfalls/
# https://wiki.debian.org/Nginx/DirectoryStructure
#
# In most cases, administrators will remove this file from sites-enabled/ and
# leave it as reference inside of sites-available where it will continue to be
# updated by the nginx packaging team.
#
# This file will automatically load configuration files provided by other
# applications, such as Drupal or Wordpress. These applications will be made
# available underneath a path with that package name, such as /drupal8.
#
# Please see /usr/share/doc/nginx-doc/examples/ for more detailed examples.
##
server {
   listen 80;
   listen [::]:80;
   server_name trac.wf.netz;

   # Enforce HTTPS
   return 301 https://$server_name$request_uri;
}

# Default server configuration
#
server {

   listen 443      ssl http2;
   listen [::]:443 ssl http2;


   # Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
   #
   # To generate a dhparam.pem file, run in a terminal
   #    openssl dhparam -dsaparam -out /etc/nginx/ssl/dhparam.pem 2048
   #
   ssl_dhparam /etc/nginx/ssl/dhparam.pem;

   # Eable session resumption to improve https performance
   ssl_session_cache shared:MozSSL:10m;  # about 40000 sessions
   ssl_session_timeout 10m;
   ssl_session_tickets off;

   #ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3; # omit SSLv3 because of POODLE
   # omit SSLv3 because of POODLE
   # omit  TLSv1 TLSv1.1
   ssl_protocols TLSv1.2 TLSv1.3;

   ssl_ecdh_curve X25519:prime256v1:secp384r1;
   ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305;

   ssl_prefer_server_ciphers off;

   # OCSP stapling
   ssl_stapling on;
   ssl_stapling_verify on;

	root /usr/lib/python3/dist-packages/trac/htdocs;
	#root /var/www/trac/htdocs;

	# Add index.php to the list if you are using PHP
	index index.html index.htm index.nginx-debian.html;

	server_name trac.wf.netz;

   # HSTS (ngx_http_headers_module is required) (63072000 seconds)
   add_header Strict-Transport-Security "max-age=63072000" always;

   add_header  X-Robots-Tag "noindex, nofollow, nosnippet, noarchive";

	location / {

      # Make sure client_max_body_size is large enough, otherwise there would 
      # be "413 Request Entity Too Large" error when uploading large files.
      client_max_body_size 512M;

      proxy_pass http://localhost:8051;

      proxy_set_header Connection $http_connection;
      proxy_set_header Upgrade $http_upgrade;
      proxy_set_header Host $host;
      proxy_set_header X-Real-IP $remote_addr;
      proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header X-Forwarded-Proto $scheme;
	}
}