plex and torrent and nginx forwarding

i know it's not "the best" to have plex set up as my own user but i
don't intend to expose this machine outisde of the home network anyway.
the ROI on figuring out how to get files downloaded somwhere that a
separate plex user can scan is not worth it.

nix/system/nas-configuration.nix

@@ -48,41 +48,108 @@
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     cachix
-    calibre
     firefox
-    inkscape
+    # configure local network sharing, launch app on startup, and auto-connect
+    # in the preferences menu
+    mullvad-vpn
     p7zip
-    plasma-browser-integration
+    # Do NOT use qbittorrent unless you have set up interface binding with your
-    slack
+    # VPN: https://web.archive.org/web/20210426203101/https://mullvad.net/en/help/bittorrent/
-    vim
+    qbittorrent
-    vlc
     wget
-    xclip
-    zathura
     zsh
   ];
 
   nixpkgs.config.allowUnfree = true;
-  nixpkgs.config.firefox.enablePlasmaBrowserIntegration = true;
 
   fonts.fonts = with pkgs; [ fira-code ];
 
   # Open ports in the firewall.
   networking.firewall = {
     allowedTCPPorts = [
-      631 # CUPs port for printing
+      22 # for ssh access
-      6881 # port for torrenting
+      80
-      8010 # port for VLC to chromecast
+      8080 # port for qbittorrent webui
-    ];
-    allowedUDPPorts = [
-      631
-      6881
-      8010
     ];
   };
   # Or disable the firewall altogether.
   # networking.firewall.enable = false;
 
+  # Nginx Reverse SSL Proxy
+  services.nginx = {
+    enable = true;
+    # give a name to the virtual host. It also becomes the server name.
+    virtualHosts."sub.domain.tld" = {
+      # http2 can more performant for streaming: https://blog.cloudflare.com/introducing-http2/
+      http2 = true;
+
+      # Provide the ssl cert and key for the vhost
+      extraConfig = ''
+
+        #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/";
+      };
+    };
+  };
+
+  # VPN setup
+  services.mullvad-vpn.enable = true;
+  networking.wireguard.enable = true;
 
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
@@ -92,32 +159,20 @@
   # List services that you want to enable:
 
   # Enable the OpenSSH daemon.
-  # services.openssh.enable = true;
+  services.openssh.enable = true;
-
-  # Enable CUPS to print documents.
-  services.printing = {
-    enable = true;
-    drivers = [ pkgs.hplip ];
-  };
-  # enable avahi for printer discovery
-  services.avahi = {
-    enable = true;
-    nssmdns = true;
-  };
-
-  # Enable sound.
-  sound.enable = true;
-  hardware.pulseaudio = {
-    enable = true;
-    # The full package is necessary to allow bluetooth audio devices.
-    package = pkgs.pulseaudioFull;
-  };
 
   # Enable the X11 windowing system.
   services.xserver.enable = true;
   services.xserver.layout = "us";
   services.xserver.xkbOptions = "caps:swapescape";
 
+  services.plex = {
+    enable = true;
+    openFirewall = true;
+    user = "haak";
+    group = "users";
+  };
+
   # Enable touchpad support.
   services.xserver.libinput.enable = true;