upstream php-handler {
	server matomo:9000;
}

server {
	listen 80;

	add_header Referrer-Policy origin; # make sure outgoing links don't show the URL to the Matomo instance
	root /var/www/html; # replace with path to your matomo instance
	index index.php;
	try_files $uri $uri/ =404;

	## only allow accessing the following php files
	location ~ ^/(index|matomo|piwik|js/index|plugins/HeatmapSessionRecording/configs).php {
		# regex to split $uri to $fastcgi_script_name and $fastcgi_path
		fastcgi_split_path_info ^(.+\.php)(/.+)$;

		# Check that the PHP script exists before passing it
		try_files $fastcgi_script_name =404;

		include fastcgi_params;
		fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
		fastcgi_param PATH_INFO $fastcgi_path_info;
		fastcgi_param HTTP_PROXY ""; # prohibit httpoxy: https://httpoxy.org/
		fastcgi_pass php-handler;
	}

	## deny access to all other .php files
	location ~* ^.+\.php$ {
		deny all;
		return 403;
	}

	## disable all access to the following directories
	location ~ /(config|tmp|core|lang) {
		deny all;
		return 403; # replace with 404 to not show these directories exist
	}
	location ~ /\.ht {
		deny all;
		return 403;
	}

	location ~ js/container_.*_preview\.js$ {
		expires off;
		add_header Cache-Control 'private, no-cache, no-store';
	}

	location ~ \.(gif|ico|jpg|png|svg|js|css|htm|html|mp3|mp4|wav|ogg|avi|ttf|eot|woff|woff2|json)$ {
		allow all;
		## Cache images,CSS,JS and webfonts for an hour
		## Increasing the duration may improve the load-time, but may cause old files to show after an Matomo upgrade
		expires 1h;
		add_header Pragma public;
		add_header Cache-Control "public";
	}

	location ~ /(libs|vendor|plugins|misc/user) {
		deny all;
		return 403;
	}

	## properly display textfiles in root directory
	location ~/(.*\.md|LEGALNOTICE|LICENSE) {
		default_type text/plain;
	}
}

# vim: filetype=nginx