nixos/hosts/architect/plex.nix

{ pkgs, lib, ... }:

let
  domain = "media.giugl.io";
  network = import ./network.nix;
in {
  services.plex = {
    enable = true;
    package = pkgs.unstable.plex;
    dataDir = "/plex";
  };

  services.nginx = {
    enable = true;
    # give a name to the virtual host. It also becomes the server name.
    virtualHosts.${domain} = {
      forceSSL = true;
      enableACME = true;
      http2 = true;
      extraConfig = ''
          allow 10.3.0.0/24;
          allow 10.0.0.0/24;
          deny all;

        #Some players don't reopen a socket and playback stops totally instead of resuming after an extended pause
          send_timeout 100m;

        # Why this is important: https://blog.cloudflare.com/ocsp-stapling-how-cloudflare-just-made-ssl-30/
          ssl_stapling on;
          ssl_stapling_verify on;

          ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
          ssl_prefer_server_ciphers on;
        #Intentionally not hardened for security for player support and encryption video streams has a lot of overhead with something like AES-256-GCM-SHA384.
          ssl_ciphers 'ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:ECDHE-RSA-DES-CBC3-SHA:ECDHE-ECDSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA';

        # Forward real ip and host to Plex
          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_set_header Host $server_addr;
          proxy_set_header Referer $server_addr;
          proxy_set_header Origin $server_addr; 

        # Plex has A LOT of javascript, xml and html. This helps a lot, but if it causes playback issues with devices turn it off.
          gzip on;
          gzip_vary on;
          gzip_min_length 1000;
          gzip_proxied any;
          gzip_types text/plain text/css text/xml application/xml text/javascript application/x-javascript image/svg+xml;
          gzip_disable "MSIE [1-6]\.";

        # Nginx default client_max_body_size is 1MB, which breaks Camera Upload feature from the phones.
        # Increasing the limit fixes the issue. Anyhow, if 4K videos are expected to be uploaded, the size might need to be increased even more
          client_max_body_size 100M;

        # Plex headers
          proxy_set_header X-Plex-Client-Identifier $http_x_plex_client_identifier;
          proxy_set_header X-Plex-Device $http_x_plex_device;
          proxy_set_header X-Plex-Device-Name $http_x_plex_device_name;
          proxy_set_header X-Plex-Platform $http_x_plex_platform;
          proxy_set_header X-Plex-Platform-Version $http_x_plex_platform_version;
          proxy_set_header X-Plex-Product $http_x_plex_product;
          proxy_set_header X-Plex-Token $http_x_plex_token;
          proxy_set_header X-Plex-Version $http_x_plex_version;
          proxy_set_header X-Plex-Nocache $http_x_plex_nocache;
          proxy_set_header X-Plex-Provides $http_x_plex_provides;
          proxy_set_header X-Plex-Device-Vendor $http_x_plex_device_vendor;
          proxy_set_header X-Plex-Model $http_x_plex_model;

        # Websockets
          proxy_http_version 1.1;
          proxy_set_header Upgrade $http_upgrade;
          proxy_set_header Connection "upgrade";

        # Buffering off send to the client as soon as the data is received from Plex.
          proxy_redirect off;
          proxy_buffering off;
      '';
      locations."/" = { proxyPass = "http://localhost:32400"; };
    };
  };

  networking.extraHosts = ''
    ${network.architect-lan} ${domain}
    ${network.architect-wg} ${domain}
  '';

  users.groups.media.members = [ "plex" ];

}