add prosody xmpp container

flake.lock

@@ -539,11 +539,11 @@
     },
     "nix-secrets": {
       "locked": {
-        "lastModified": 1738940734,
-        "narHash": "sha256-7yH/LFyop6RoazqROOpQGlMRqbw80DfzUroTj9rTVro=",
+        "lastModified": 1739193599,
+        "narHash": "sha256-oJBav9MiFmhZxQWt6si1T5QQuhxWqGOOQNekeJABaXU=",
         "ref": "refs/heads/master",
-        "rev": "031ee73ab11dd5f91f56cdcac1483b1d59788178",
-        "revCount": 274,
+        "rev": "0d69dc15bea7b1a99fce08ea8517f392cbc253ee",
+        "revCount": 278,
         "type": "git",
         "url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
       },

hosts/cloudnix/default.nix

@@ -32,11 +32,13 @@ in {
     ../common/optional/distributed-builds/local-machine.nix
     ../common/optional/nixos-containers/semitamaps.nix
     ../common/optional/nixos-containers/vaultwarden.nix
+    ../common/optional/nixos-containers/xmpp.nix
+
     ../common/optional/fail2ban.nix
     ../common/optional/restic-backup.nix
 
-    ../common/optional/nginx/semitamaps.nix
     ../common/optional/nginx/vaultwarden.nix
+    ../common/optional/nginx/xmpp.nix
 
 
     outputs.nixosModules.nixosAutoUpgrade

hosts/common/optional/nginx/semitamaps.nix

@@ -1,7 +1,20 @@
-{
-  networking.firewall.allowedTCPPorts = [ 80 ];
-  services.nginx.enable = true;
-  services.nginx.virtualHosts."samchance.xyz" = {
+{configVars, ...}: let
+  email = configVars.email.user;
+  domain = configVars.domains.xmpp;
+in {
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = email;
+  };
+  networking.firewall.allowedTCPPorts = [80 443];
+  services.nginx = {
+    enable = true;
+    recommendedProxySettings = true;
+    recommendedTlsSettings = true;
+    virtualHosts."${domain}" = {
+      enableACME = true;
+      forceSSL = true;
       root = "/srv/hello/";
     };
+  };
 }

hosts/common/optional/nginx/xmpp.nix

@@ -0,0 +1,92 @@
+{configVars, ...}: let
+  email = configVars.email.user;
+  xmppDomain = configVars.domains.xmpp;
+  xmppIp = configVars.networking.addresses.xmpp.localAddress;
+  xmppPort = configVars.networking.addresses.xmpp.port;
+in {
+  networking.firewall.allowedTCPPorts = [80 443];
+  users.groups.www-data = {
+    gid = 33;
+  };
+
+  users.users.nginx = {
+    isSystemUser = true;
+    uid = 60;
+    extraGroups = ["www-data"];
+  };
+
+  systemd.tmpfiles.rules = [
+    "d /var/www/${xmppDomain} 0777 root root"
+  ];
+
+  services.httpd.virtualHosts."root" = {
+    hostName = "${xmppDomain}";
+    documentRoot = "/var/www/${xmppDomain}";
+  };
+
+  security.acme = {
+    acceptTerms = true;
+    defaults.email = email;
+    certs = {
+      "${xmppDomain}" = {
+        webroot = "/var/www/${xmppDomain}";
+        email = email;
+        extraDomainNames = [
+          "chat.${xmppDomain}"
+        ];
+        group = "www-data";
+      };
+    };
+  };
+
+  services.nginx = {
+    enable = true;
+    recommendedProxySettings = true;
+    recommendedTlsSettings = true;
+    virtualHosts."chat.${xmppDomain}" = {
+      # enableACME = true;
+      forceSSL = true;
+      extraConfig = ''
+        client_max_body_size 10G;
+      '';
+      sslCertificate = "/var/lib/acme/${xmppDomain}/fullchain.pem";
+      sslCertificateKey = "/var/lib/acme/${xmppDomain}/key.pem";
+      locations = {
+        "/" = {
+          proxyPass = "http://${xmppIp}:${toString xmppPort}";
+          extraConfig = ''
+            proxy_set_header Host "${xmppDomain}";
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_buffering off;
+            tcp_nodelay on;
+          '';
+        };
+        "/xmpp-websocket" = {
+          proxyPass = "http://${xmppIp}:${toString xmppPort}/xmpp-websocket";
+          extraConfig = ''
+            proxy_http_version 1.1;
+            proxy_set_header Connection "Upgrade";
+            proxy_set_header Upgrade $http_upgrade;
+
+            proxy_set_header Host "${xmppDomain}";
+            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+            proxy_set_header X-Forwarded-Proto $scheme;
+            proxy_read_timeout 900s;
+          '';
+        };
+        "/upload/" = {
+          extraConfig = ''
+            proxy_buffering off;
+            proxy_set_header Host $host;
+                  # pass PUT requests to mod_http_upload for processing
+            if ($request_method = PUT) {
+              proxy_pass http://${xmppIp}:${toString xmppPort};
+            }
+            alias /var/lib/prosody/http_upload;  # storage path of mod_http_upload. NGINX will serve these files to the clients.
+          '';
+        };
+      };
+    };
+  };
+}

hosts/common/optional/nixos-containers/xmpp.nix

@@ -0,0 +1,210 @@
+{
+  pkgs,
+  lib,
+  configVars,
+  inputs,
+  ...
+}: let
+  containerName = "xmpp";
+  xmppDomain = configVars.domains.xmpp;
+  pubKeys = lib.filesystem.listFilesRecursive ../../users/keys;
+  hostAddress = configVars.networking.addresses.xmpp.hostAddress;
+  localAddress = configVars.networking.addresses.xmpp.localAddress;
+  sops-nix = inputs.sops-nix;
+  xmppPorts = [3478 5281 5280 5269 5222 5223];
+in {
+  networking = {
+    nat = {
+      enable = true;
+      internalInterfaces = ["ve-+"];
+      externalInterface = "enp1s0";
+    };
+    firewall = {
+      enable = true;
+      allowedTCPPorts = xmppPorts;
+    };
+  };
+
+  environment.persistence."/persist" = {
+    hideMounts = true;
+    directories = [
+      "/var/lib/nixos-containers/${containerName}"
+    ];
+  };
+
+  systemd.tmpfiles.rules = [
+    "d /var/lib/prosody 0750"
+  ];
+
+  containers."${containerName}" = {
+    autoStart = true;
+    privateNetwork = true;
+    hostAddress = hostAddress;
+    localAddress = localAddress;
+    nixpkgs = pkgs.path;
+    bindMounts = {
+      "/etc/ssh/ssh_host_ed25519_key" = {
+        hostPath = "/etc/ssh/ssh_host_ed25519_key";
+        isReadOnly = true;
+      };
+      "/var/lib/prosody" = {
+        hostPath = "/var/lib/prosody";
+        isReadOnly = false;
+      };
+      "/var/lib/acme/${xmppDomain}/" = {
+        hostPath = "/var/lib/acme/${xmppDomain}/";
+        isReadOnly = false;
+      };
+    };
+    forwardPorts =
+      lib.map (port: {
+        containerPort = port;
+        hostPort = port;
+      })
+      xmppPorts;
+    config = {
+      pkgs,
+      lib,
+      config,
+      ...
+    }: let
+      secretsDirectory = builtins.toString inputs.nix-secrets;
+      secretsFile = "${secretsDirectory}/secrets.yaml";
+    in {
+      users.groups.www-data = {
+        gid = 33;
+      };
+
+      users.users.prosody = {
+        isSystemUser = true;
+        uid = 149;
+        extraGroups = ["www-data"];
+      };
+
+      networking = {
+        firewall = {
+          enable = true;
+          rejectPackets = true;
+          allowedTCPPorts = xmppPorts ++ [80 443];
+        };
+        useHostResolvConf = lib.mkForce false;
+      };
+
+      services.resolved.enable = true;
+
+      sops = {
+        defaultSopsFile = "${secretsFile}";
+        validateSopsFiles = false;
+
+        age = {
+          sshKeyPaths = ["/etc/ssh/ssh_host_ed25519_key"];
+        };
+        secrets = {
+          "software/coturn/static-auth-secret" = {
+            mode = "0644";
+          };
+        };
+      };
+
+      imports = [
+        sops-nix.nixosModules.sops
+      ];
+
+      environment.systemPackages = [
+        pkgs.vim
+        pkgs.git
+        pkgs.prosody
+      ];
+
+      sops.templates."prosody_secrets.lua" = {
+        mode = "644";
+        content = ''
+          turn_external_secret = ${config.sops.placeholder."software/coturn/static-auth-secret"};
+        '';
+      };
+
+      services.prosody = {
+        enable = true;
+        package = pkgs.prosody.override {
+          withCommunityModules = [
+            "turn_external"
+            "conversejs"
+            "admin_web"
+          ];
+        };
+        extraModules = ["turn_external" "conversejs" "admin_web" "http" "websocket"];
+        allowRegistration = true;
+        extraConfig = ''
+          include "${config.sops.templates."prosody_secrets.lua".path}"
+          registration_invite_only = true;
+          allow_user_invites = true;
+          cross_domain_bosh = true;
+          turn_external_host = "turn.${xmppDomain}";
+          turn_external_port = 3478;
+          http_default_host = "${xmppDomain}";
+          certificates = "certs"
+          cross_domain_websocket = { "https://${xmppDomain}" }
+          consider_websocket_secure = true
+          
+          legacy_ssl_ports = { 5223 }
+          legacy_ssl_ssl = {
+            certificate = "/var/lib/acme/${xmppDomain}/cert.pem";
+            key = "/var/lib/acme/${xmppDomain}/key.pem";
+          }
+
+        '';
+        modules.bosh = true;
+        s2sRequireEncryption = true;
+        c2sRequireEncryption = true;
+        s2sSecureAuth = false;
+        admins = ["root@${xmppDomain}"];
+        ssl.cert = "/var/lib/acme/${xmppDomain}/fullchain.pem";
+        ssl.key = "/var/lib/acme/${xmppDomain}/key.pem";
+        virtualHosts."${xmppDomain}" = {
+          enabled = true;
+          ssl.cert = "/var/lib/acme/${xmppDomain}/fullchain.pem";
+          ssl.key = "/var/lib/acme/${xmppDomain}/key.pem";
+          extraConfig = ''
+            http_external_url = "https://chat.${xmppDomain}/"
+            invites_page = "https://chat.${xmppDomain}/register?t={invite.token}"
+            http_paths = {
+              invites_page = "/invite";
+              invites_register_web = "/register";
+            }
+          '';
+          domain = "${xmppDomain}";
+        };
+        muc = [
+          {
+            domain = "conference.${xmppDomain}";
+          }
+        ];
+        uploadHttp = {
+          domain = "https://upload.${xmppDomain}";
+          uploadFileSizeLimit = "1000000000"; # 1 gb file-size limit
+          uploadExpireAfter = "31557600"; # files deleted after 1 year
+        };
+      };
+
+      services.coturn = {
+        enable = true;
+        realm = "turn.${xmppDomain}";
+        use-auth-secret = true;
+        static-auth-secret-file = config.sops.secrets."software/coturn/static-auth-secret".path;
+      };
+
+      services.openssh = {
+        enable = true;
+        settings.PasswordAuthentication = false;
+      };
+
+      users.users = {
+        root = {
+          openssh.authorizedKeys.keys = lib.lists.forEach pubKeys (key: builtins.readFile key);
+        };
+      };
+
+      system.stateVersion = "24.05";
+    };
+  };
+}