##
# 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.
##

# Support proxying of web-socket connections
map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

################################################################################
# Virtual Host configuration for example.com
################################################################################

#
# You can move that to a different file under sites-available/ and symlink that
# to sites-enabled/ to enable it.
#
#server {
#	listen 80;
#	listen [::]:80;
#
#	server_name example.com;
#
#	root /var/www/example.com;
#	index index.html;
#
#	location / {
#		try_files $uri $uri/ =404;
#	}
#}

################################################################################
# Default server configuration
################################################################################

server {
	listen 80 default_server;
	listen [::]:80 default_server;

	# SSL configuration
	#
	# listen 443 ssl default_server;
	# listen [::]:443 ssl default_server;
	#
	# Note: You should disable gzip for SSL traffic.
	# See: https://bugs.debian.org/773332
	#
	# Read up on ssl_ciphers to ensure a secure configuration.
	# See: https://bugs.debian.org/765782
	#
	# Self signed certs generated by the ssl-cert package
	# Don't use them in a production server!
	#
	# include snippets/snakeoil.conf;

	root /var/www/html;

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

	server_name _;

	# location / {
	# 	# First attempt to serve request as file, then
	# 	# as directory, then fall back to displaying a 404.
	# 	try_files $uri $uri/ =404;
	# }

	# location / {
	# 	 proxy_pass http://127.0.0.1:3838;
	# 	 proxy_http_version 1.1;
	# 	 proxy_set_header Upgrade $http_upgrade;
	# 	 proxy_set_header Connection "upgrade";                                                                      }      

        location /srv/shiny-server/dhub/ {                                                                                                            proxy_pass http://127.0.0.1:3838/;                                                                                   proxy_http_version 1.1;                                                                                              proxy_set_header Upgrade $http_upgrade;                                                                              proxy_set_header Connection "upgrade";                                                                               rewrite ^(/srv/shiny-server/dhub/[^/]+)$ $1/ permanent;                                                                              }       

	# pass PHP scripts to FastCGI server
	#
	#location ~ \.php$ {
	#	include snippets/fastcgi-php.conf;
	#
	#	# With php-fpm (or other unix sockets):
	#	fastcgi_pass unix:/run/php/php7.4-fpm.sock;
	#	# With php-cgi (or other tcp sockets):
	#	fastcgi_pass 127.0.0.1:9000;
	#}

	# deny access to .htaccess files, if Apache's document root
	# concurs with nginx's one
	#
	#location ~ /\.ht {
	#	deny all;
	#}
}

################################################################################
# RSHINY
# Docs: https://support.rstudio.com/hc/en-us/articles/213733868-Running-Shiny-Server-with-a-Proxy
################################################################################

server {

	# SSL configuration
	#
	# listen 443 ssl default_server;
	# listen [::]:443 ssl default_server;
	#
	# Note: You should disable gzip for SSL traffic.
	# See: https://bugs.debian.org/773332
	#
	# Read up on ssl_ciphers to ensure a secure configuration.
	# See: https://bugs.debian.org/765782
	#
	# Self signed certs generated by the ssl-cert package
	# Don't use them in a production server!
	#
	# include snippets/snakeoil.conf;

	root /var/www/html;

	# Add index.php to the list if you are using PHP
	# index index.html index.htm index.nginx-debian.html;
        server_name update.dhub.global; # managed by Certbot

	# location / {
	# 	# First attempt to serve request as file, then
	# 	# as directory, then fall back to displaying a 404.
	# 	try_files $uri $uri/ =404;
	# }

	# rewrite ^/shiny$ $scheme://$http_host/srv/shiny-server/ permanent;
	
	# location /shiny/ {
	#      	 rewrite ^/shiny/(.*)$ /$1 break;
	# 	 proxy_pass http://localhost:3838;
	# 	 proxy_redirect / $scheme://$http_host/shiny/;
 	# 	 proxy_http_version 1.1;
 	# 	 proxy_set_header Upgrade $http_upgrade;
	# 	 proxy_set_header Connection $connection_upgrade;
	# 	 proxy_read_timeout 20d;
	# 	 proxy_buffering off;
	# 	 }

	# location / {
 	# 	 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;
	# 	 proxy_pass          http://localhost:3838;
	# 	 proxy_read_timeout  20d;
	# 	 proxy_buffering off;

	# 	 proxy_set_header Upgrade $http_upgrade;
	# 	 proxy_set_header Connection $connection_upgrade;
	# 	 proxy_http_version 1.1;

	# 	 proxy_redirect      / $scheme://$host/;
	# 	 }

	location / {
		 proxy_pass http://127.0.0.1:3838;
		 proxy_http_version 1.1;
		 proxy_set_header Upgrade $http_upgrade;
		 proxy_set_header Connection "upgrade";                                                                      }      

	# pass PHP scripts to FastCGI server
	#
	#location ~ \.php$ {
	#	include snippets/fastcgi-php.conf;
	#
	#	# With php-fpm (or other unix sockets):
	#	fastcgi_pass unix:/run/php/php7.4-fpm.sock;
	#	# With php-cgi (or other tcp sockets):
	#	fastcgi_pass 127.0.0.1:9000;
	#}

	# deny access to .htaccess files, if Apache's document root
	# concurs with nginx's one
	#
	#location ~ /\.ht {
	#	deny all;
	#}


    listen [::]:443 ssl ipv6only=on; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/dhub.global/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/dhub.global/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot


}

server {
    if ($host = update.dhub.global) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


	listen 80 ;
	listen [::]:80 ;
    server_name update.dhub.global;
    return 404; # managed by Certbot


}

################################################################################
# RSTUDIO
# Docs: https://docs.rstudio.com/ide/server-pro/access_and_security/running_with_a_proxy.html#nginx-configuration
################################################################################

server {

	# SSL configuration
	#
	# listen 443 ssl default_server;
	# listen [::]:443 ssl default_server;
	#
	# Note: You should disable gzip for SSL traffic.
	# See: https://bugs.debian.org/773332
	#
	# Read up on ssl_ciphers to ensure a secure configuration.
	# See: https://bugs.debian.org/765782
	#
	# Self signed certs generated by the ssl-cert package
	# Don't use them in a production server!
	#
	# include snippets/snakeoil.conf;

	root /var/www/html;

	# Add index.php to the list if you are using PHP
	# index index.html index.htm index.nginx-debian.html;
       server_name rstudio2.dhub.global; # managed by Certbot

	# location / {
	# 	# First attempt to serve request as file, then
	# 	# as directory, then fall back to displaying a 404.
	# 	try_files $uri $uri/ =404;
	# }

	location / {
		 proxy_pass http://127.0.0.1:8787/;
		 proxy_set_header Host $host;
		 }

	# pass PHP scripts to FastCGI server
	#
	#location ~ \.php$ {
	#	include snippets/fastcgi-php.conf;
	#
	#	# With php-fpm (or other unix sockets):
	#	fastcgi_pass unix:/run/php/php7.4-fpm.sock;
	#	# With php-cgi (or other tcp sockets):
	#	fastcgi_pass 127.0.0.1:9000;
	#}

	# deny access to .htaccess files, if Apache's document root
	# concurs with nginx's one
	#
	#location ~ /\.ht {
	#	deny all;
	#}


    listen [::]:443 ssl; # managed by Certbot
    listen 443 ssl; # managed by Certbot
    ssl_certificate /etc/letsencrypt/live/dhub.global/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/dhub.global/privkey.pem; # managed by Certbot
    include /etc/letsencrypt/options-ssl-nginx.conf; # managed by Certbot
    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem; # managed by Certbot

}

server {
    if ($host = rstudio2.dhub.global) {
        return 301 https://$host$request_uri;
    } # managed by Certbot


	listen 80 ;
	listen [::]:80 ;
    server_name rstudio2.dhub.global;
    return 404; # managed by Certbot


}