map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

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

  server_name plural.cafe *.plural.cafe;
  server_tokens off;

  root /srv/plural.cafe/html;

  location / {
      return 301 https://$host$request_uri;
  }
}

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

  server_name ~^(?<subdomain>\w+)\.plural\.cafe$;
  
  include /etc/nginx/snippets/common-ssl.conf;

  return 301 "https://plural.cafe/@${subdomain}";
}

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

  server_name plural.cafe;

  include /etc/nginx/snippets/common-ssl.conf;
  root /srv/plural.cafe/html;

  gzip on;
  gzip_disable "msie6";
  gzip_vary on;
  gzip_proxied any;
  gzip_comp_level 6;
  gzip_buffers 16 8k;
  gzip_http_version 1.1;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

  add_header X-Cache-Status $upstream_cache_status;

  # hang up on scrubs
  if ($http_user_agent ~* (fedsearch|gabsocial|fedichive|seekport|dotbot|semrush|fasthttp|^\d+$|wdestiny|megaindex|webmeup|fedi-block)) {
	return 444;
  }

  location /sw.js {
    add_header Cache-Control "public, max-age=0";
    try_files $uri @proxy;
  }

  location ~ ^/(emoji|packs|sounds) {
	expires max;
    try_files $uri @proxy;
  }

  location / {
    try_files $uri @proxy;
  }

  location @proxy {
    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 https;
    proxy_set_header Proxy "";
    proxy_hide_header X-Frame-Options;
    proxy_hide_header X-Content-Type-Options;
    proxy_hide_header X-XSS-Protection;
    proxy_hide_header Referrer-Policy;
    proxy_hide_header Strict-Transport-Security;
    proxy_pass_header Server;

    proxy_pass http://127.0.0.1:3010;
    proxy_buffering on;
    proxy_redirect off;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;

    proxy_cache CACHE;
    proxy_cache_valid 200 7d;
    proxy_cache_use_stale error timeout updating http_500 http_502 http_503 http_504;
    proxy_cache_lock on;
    proxy_cache_revalidate on;

    tcp_nodelay on;
  }

  location /api/v1/streaming {
    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 https;
    proxy_set_header Proxy "";

    proxy_pass http://127.0.0.1:3011;
    proxy_buffering off;
    proxy_redirect off;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;

    tcp_nodelay on;
  }

  location /api/v2/search {
	access_log off;
	try_files $uri @proxy;
  }

  error_page 403 /assets/403.html;
  error_page 404 /assets/404.html;
  error_page 410 /assets/410.html;
  error_page 422 /assets/422.html;
  error_page 500 501 502 503 504 /assets/500.html;
}

proxy_cache_path /var/cache/nginx levels=1:2 keys_zone=CACHE:10m inactive=7d max_size=2g use_temp_path=off;