# /etc/nginx/sites-available/egroupware-nginx.conf
# need to be symlinked to /etc/nginx/sites-enabled/ and nginx -s reload (after removing default!)

# stuff for http block
client_max_body_size 1g;
# fix error: upstream sent too big header while reading response header from upstream
fastcgi_buffers 16 16k;
fastcgi_buffer_size 32k;

server {
	listen 80 default_server;

	# ssl config (enable following line plus either include or ssl_certificate* line)
	#listen 443 ssl http2 default_server;
	#include snippets/snakeoil.conf;	# requires ssl-certs package installed!
	# concatenate private key, certificate and intermediate certs to /etc/ssl/private/certificate.pem
	#ssl_certificate /etc/ssl/private/certificate.pem;
	#ssl_certificate_key /etc/ssl/private/certificate.pem;
	# HTTP Strict-Transport-Security header (start with a short max-age!)
	#add_header Strict-Transport-Security max-age=31536000;	# 31536000sec=1year

	# A free of charge ssl certificate can be obtained from https://letsencrypt.org
	# Instrunctions for Ubuntu 16.04 are eg. available at
	# https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-16-04
	# Just use /etc/egroupware/nginx.conf instead of /etc/nginx/sites-available/default

	server_name _;
	root /var/www/html;

	index index.php index.nginx-debian.html index.html index.htm;

	# include other EGroupware parts like Collabora
	include app.d/egroupware*.conf;

	# other settings
	client_max_body_size 65M;

	# EGroupware installed in /usr/share/egroupware
	location ^~ /egroupware {
		alias  /usr/share/egroupware/;
		try_files $uri $uri/ =404;
		location ~ ^/egroupware(/(?U).+\.php) {
			alias  /usr/share/egroupware;
			fastcgi_pass unix:/run/php/php7.0-fpm.sock;
			# added to support WebDAV/CalDAV/CardDAV
			fastcgi_read_timeout 60m;
			fastcgi_index  index.php;
			fastcgi_split_path_info ^((?U).+\.php)(.*)$;
			fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
			fastcgi_param  PATH_INFO          $fastcgi_path_info;
			fastcgi_param  PATH_TRANSLATED    $document_root$fastcgi_path_info;
			# standard Nginx
			include fastcgi_params;
			fastcgi_param SCRIPT_FILENAME /usr/share/egroupware$1;
			fastcgi_param DOCUMENT_ROOT /var/www/html;
		}
		location ~ (?i)\.(ico|jpe?g|gif|png|svg|xet|xml|js|css|html|map|swf)$ {
			access_log off;
			expires 10d;
			add_header Pragma public;
			add_header Cache-Control "public";
			location ~ ^/egroupware(/.*)$ {
				alias /usr/share/egroupware/;
				try_files $1 =404;
			}
		}
	}

	# PHP in docroot
	#location ~ \.php {
	#	fastcgi_pass unix:/run/php/php7.0-fpm.sock;
	#	include fastcgi_params;
	#}

	# ActiveSync support
	location /Microsoft-Server-ActiveSync {
		fastcgi_pass unix:/run/php/php7.0-fpm.sock;
		# added to support WebDAV/CalDAV/CardDAV
		fastcgi_read_timeout 60m;
		fastcgi_index  index.php;
		fastcgi_split_path_info ^((?U).+\.php)(.*)$;
		fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
		fastcgi_param  PATH_INFO          $fastcgi_path_info;
		fastcgi_param  PATH_TRANSLATED    $document_root$fastcgi_path_info;
		include fastcgi_params;
		fastcgi_param SCRIPT_FILENAME /usr/share/egroupware/activesync/index.php;
	}
	# CalDAV & CardDAV autoconfig
	location ~ ^/.well-known/(caldav|carddav)$ {
		return 301 $scheme://$host/egroupware/groupdav.php/;
	}
	location ~ ^(/principals/users/.*)$ {
		return 301 $scheme://$host/egroupware/groupdav.php$1;
	}
	# Nginx does NOT use index for OPTIONS requests breakng WebDAV
	# for Windows, which sends OPTIONS / and stalls on Nginx 405 response!
	# This also redirects all requests to root to EGroupware.
	location = / {
		return 301 $scheme://$host/egroupware/index.php;
	}
}
