# Server globals
user                 hellohostweb;
worker_processes     1;
worker_rlimit_nofile 65535;
error_log            /var/log/hellohost/nginx-error.log;
pid                  /run/hellohost-nginx.pid;
pcre_jit             on;

# Worker config
events {
	worker_connections 128;
	use                epoll;
	multi_accept       on;
}

http {
	# Main settings
	http2                         on;
	sendfile                      on;
	tcp_nopush                    on;
	tcp_nodelay                   on;
	client_header_timeout         180s;
	client_body_timeout           180s;
	client_header_buffer_size     2k;
	client_body_buffer_size       256k;
	client_max_body_size          1024m;
	large_client_header_buffers   4 8k;
	send_timeout                  60s;
	keepalive_timeout             30s;
	keepalive_requests            1000;
	reset_timedout_connection     on;
	server_tokens                 off;
	server_name_in_redirect       off;
	server_names_hash_max_size    512;
	server_names_hash_bucket_size 512;
	charset                       utf-8;
	# FastCGI settings
	fastcgi_buffers               512 4k;
	fastcgi_buffer_size           256k;
	fastcgi_busy_buffers_size     256k;
	fastcgi_temp_file_write_size  256k;
	fastcgi_connect_timeout       30s;
	fastcgi_read_timeout          600s;
	fastcgi_send_timeout          600s;
	# Proxy settings
	proxy_redirect                off;
	proxy_set_header              Host $host;
	proxy_set_header              Early-Data $rfc_early_data;
	proxy_set_header              X-Real-IP $remote_addr;
	proxy_set_header              X-Forwarded-For $proxy_add_x_forwarded_for;
	proxy_pass_header             Set-Cookie;
	proxy_buffers                 256 4k;
	proxy_buffer_size             32k;
	proxy_busy_buffers_size       32k;
	proxy_temp_file_write_size    256k;
	proxy_connect_timeout         30s;
	proxy_read_timeout            300s;
	proxy_send_timeout            180s;
	# Log format
	log_format                    main '$remote_addr - $remote_user [$time_local] $request "$status" $body_bytes_sent "$http_referer" "$http_user_agent" "$http_x_forwarded_for"';
	access_log                    /var/log/hellohost/nginx-access.log main;
	# Mime settings
	include                       mime.types;
	default_type                  application/octet-stream;
	# Compression
	gzip                          on;
	gzip_vary                     on;
	gzip_comp_level               6;
	gzip_min_length               1024;
	gzip_buffers                  128 4k;
	gzip_http_version             1.1;
	gzip_types                    text/css text/javascript text/js text/plain text/richtext text/shtml text/x-component text/x-java-source text/x-markdown text/x-script text/xml image/bmp image/svg+xml image/vnd.microsoft.icon image/x-icon font/otf font/ttf font/x-woff multipart/bag multipart/mixed application/eot application/font application/font-sfnt application/font-woff application/javascript application/javascript-binast application/json application/ld+json application/manifest+json application/opentype application/otf application/rss+xml application/ttf application/truetype application/vnd.api+json application/vnd.ms-fontobject application/wasm application/xhtml+xml application/xml application/xml+rss application/x-httpd-cgi application/x-javascript application/x-opentype application/x-otf application/x-perl application/x-protobuf application/x-ttf;
	gzip_proxied                  any;
	# SSL PCI compliance
	ssl_buffer_size               1369;
	ssl_ciphers                   "ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-SHA256";
	ssl_conf_command              Ciphersuites TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384;
	ssl_conf_command              Options PrioritizeChaCha;
	ssl_dhparam                   /etc/ssl/dhparam.pem;
	ssl_early_data                on;
	ssl_ecdh_curve                auto;
	ssl_prefer_server_ciphers     on;
	ssl_protocols                 TLSv1.2 TLSv1.3;
	ssl_session_cache             shared:SSL:10m;
	ssl_session_tickets           on;
	ssl_session_timeout           7d;
	ssl_stapling                  on;
	ssl_stapling_verify           on;
	resolver                      1.0.0.1 8.8.4.4 1.1.1.1 8.8.8.8 valid=300s ipv6=off;
	resolver_timeout              5s;
	# Security headers
	add_header                    X-Content-Type-Options nosniff;
	add_header                    X-Frame-Options SAMEORIGIN;
	add_header                    X-XSS-Protection "1; mode=block";

	# TLS 1.3 0-RTT anti-replay
	map "$request_method:$is_args" $ar_idempotent {
		default 0;
		"~^GET:$|^(HEAD|OPTIONS|TRACE):\?*$" 1;
	}

	map $http_user_agent $ar_support_425 {
		default 0;
		"~Firefox/((58|59)|([6-9]\d)|([1-9]\d{2,}))\.\d+" 1;
	}

	map "$ssl_early_data:$ar_idempotent:$ar_support_425" $anti_replay {
		1:0:0 307;
		1:0:1 425;
	}

	map "$ssl_early_data:$ar_support_425" $rfc_early_data {
		1:1 1;
	}

	# Vhost
	server {
		listen              8083 ssl;
		listen              [::]:8083 ssl;
		server_name         _;
		root                /usr/local/hellohost/web;
		# Fix error "The plain HTTP request was sent to HTTPS port"
		error_page          497 https://$host:$server_port$request_uri;
		error_page          403 /error/404.html;
		error_page          404 /error/404.html;
		error_page          410 /error/410.html;
		error_page          500 501 502 503 504 505 /error/50x.html;

		ssl_certificate     /usr/local/hellohost/ssl/certificate.crt;
		ssl_certificate_key /usr/local/hellohost/ssl/certificate.key;

		# TLS 1.3 0-RTT anti-replay
		if ($anti_replay = 307) { return 307 https://$host:$server_port$request_uri; }
		if ($anti_replay = 425) { return 425; }

		location / {
			expires off;
			index index.php;
		}

		location /error/ {
			expires off;
			internal;
		}

		location /rrd/ {
			expires off;
			internal;
		}

		location /backup/ {
			root /;
			internal;
		}

		location /fm/ {
			alias /usr/local/hellohost/web/fm/dist/;
			index index.php;

			location ~ /([^/]+\.php)$ {
				try_files     /$1 =404;
				include       fastcgi_params;
				fastcgi_param HTTP_EARLY_DATA $rfc_early_data if_not_empty;
				fastcgi_param SCRIPT_FILENAME /usr/local/hellohost/web/fm/dist/index.php;
				fastcgi_pass  unix:/run/hellohost-php.sock;
				fastcgi_index index.php;
			}
		}

		location /_shell/ {
			proxy_pass http://localhost:8085;
			proxy_http_version 1.1;
			proxy_set_header Upgrade $http_upgrade;
			proxy_set_header Connection "Upgrade";
			proxy_set_header X-Real-IP $remote_addr;
		}

		location ~ \.php$ {
			include                  fastcgi_params;
			fastcgi_param            HTTP_EARLY_DATA $rfc_early_data if_not_empty;
			fastcgi_param            SCRIPT_FILENAME /usr/local/hellohost/web/$fastcgi_script_name;
			fastcgi_pass             unix:/run/hellohost-php.sock;
			fastcgi_intercept_errors on;
			break;
		}
	}
}
