Reorganize to Biz/Cloud/Comms

1 files changed, 214 insertions, 0 deletions

diff --git a/Biz/Cloud/Comms/Xmpp.nix b/Biz/Cloud/Comms/Xmpp.nix
new file mode 100644
index 0000000..d74a6b7
--- /dev/null
+++ b/Biz/Cloud/Comms/Xmpp.nix
@@ -0,0 +1,214 @@
+{ config, pkgs, ... }:
+#
+# xmpp chat service
+#
+let
+  rootDomain = config.networking.domain; # simatime.com
+  ssl = {
+    cert = "/var/lib/acme/${rootDomain}/fullchain.pem";
+    key = "/var/lib/acme/${rootDomain}/key.pem";
+  };
+in {
+  networking.firewall.allowedTCPPorts = [
+    # https://prosody.im/doc/ports
+    5000  # file transfer
+    5222  # client connections
+    5269  # server-to-server
+    5280  # http
+    5281  # https
+    5347  # external components
+    5582  # telnet console
+  ];
+
+  services.prosody = {
+    enable = true;
+    package = pkgs.prosody.override {
+      withCommunityModules = [
+        "conversejs"
+      ];
+    };
+
+    # when i learn how to use security.acme better, and use separate certs, then i
+    # can fix this group
+    group = "nginx";
+    admins = [ "bsima@${rootDomain}" ];
+    allowRegistration = true;
+    inherit ssl;
+    uploadHttp = {
+      domain = "upload.${rootDomain}";
+      uploadExpireAfter = toString (60*60*24*30); # 30 days, as seconds
+    };
+
+    modules = {
+      announce = true;
+      blocklist = true;
+      bookmarks = true;
+      bosh = true;
+      carbons = true;
+      cloud_notify = true;
+      csi = true;
+      dialback = true;
+      disco = true;
+      groups = true;
+      http_files = false; # hm, look into this
+      motd = true;
+      pep = true;
+      ping = true;
+      private = true;
+      proxy65 = true;
+      register = true;
+      roster = true;
+      server_contact_info = true;
+      smacks = true;
+      vcard = true;
+      watchregistrations = true;
+      websocket = true;
+      welcome = true;
+    };
+
+    extraConfig = ''
+      conversejs_options = {
+        allow_registration = true;
+        bosh_service_url = "https://${rootDomain}/http-bind";
+        debug = true;
+        loglevel = "debug";
+        -- default_domain = "${rootDomain}";
+        -- domain_placeholder = "${rootDomain}";
+        -- jid = "${rootDomain}";
+        -- keepalive = true;
+        -- registration_domain = "${rootDomain}";
+        websocket_url = "wss://${rootDomain}/xmpp-websocket";
+      }
+
+      cross_domain_websocket = { "https://${rootDomain}", "https://anon.${rootDomain}" }
+      cross_domain_bosh = false; -- handle this with nginx
+      consider_bosh_secure = true;
+
+      -- this is a virtualhost that allows anonymous authentication. use this
+      -- for a public lobby. the nix module doesn't support 'authentication'
+      -- so i have to do this here.
+      VirtualHost "anon.${rootDomain}"
+        authentication = "anonymous"
+        ssl = {
+          cafile = "/etc/ssl/certs/ca-bundle.crt";
+          key = "${ssl.key}";
+          certificate = "${ssl.cert}";
+        };
+    '';
+
+    muc = [
+      {
+        domain = "conference.${rootDomain}";
+        maxHistoryMessages = 10000;
+        name = "Chat Rooms";
+        restrictRoomCreation = "admin";
+        roomDefaultHistoryLength = 20;
+        roomDefaultMembersOnly = true;
+        roomDefaultModerated = true;
+        roomDefaultPublic = false;
+      }
+      {
+        domain = "chat.${rootDomain}";
+        maxHistoryMessages = 10000;
+        name = "Chat Rooms";
+        restrictRoomCreation = false;
+        roomDefaultHistoryLength = 200;
+        roomDefaultMembersOnly = false;
+        roomDefaultModerated = false;
+        roomDefaultPublic = true;
+        roomDefaultPublicJids = true;
+      }
+    ];
+
+    virtualHosts = {
+      "${rootDomain}" = {
+        domain = "${rootDomain}";
+        enabled = true;
+        inherit ssl;
+      };
+    };
+  };
+
+  services.prosody-filer = {
+    enable = true;
+  };
+
+  services.nginx.virtualHosts."${rootDomain}".locations = {
+    "/http-bind" = {
+      proxyPass = "https://${rootDomain}:5281/http-bind";
+      extraConfig = ''
+        proxy_set_header Host $host;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_buffering off;
+        add_header Access-Control-Allow-Origin "*";
+      '';
+    };
+
+    "/xmpp-websocket" = {
+      proxyPass = "https://${rootDomain}:5281/xmpp-websocket";
+      extraConfig = ''
+        proxy_http_version 1.1;
+        proxy_buffering off;
+        proxy_set_header Host $host;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection "upgrade";
+        proxy_read_timeout 86400;
+        add_header Access-Control-Allow-Origin "*";
+      '';
+    };
+
+    "/chat" = {
+      proxyPass = "https://${rootDomain}:5281/conversejs";
+      extraConfig = ''
+        add_header Access-Control-Allow-Origin "*";
+      '';
+    };
+  };
+
+  services.nginx.virtualHosts."anon.${rootDomain}" = {
+    useACMEHost = "${rootDomain}";
+    forceSSL = true;
+    locations = {
+      "/http-bind" = {
+        proxyPass = "https://anon.${rootDomain}:5281/http-bind";
+        extraConfig = ''
+          proxy_set_header Host $host;
+          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+          proxy_set_header X-Forwarded-Proto $scheme;
+          proxy_buffering off;
+          if ($request_method ~* "(GET|POST)") {
+            add_header Access-Control-Allow-Origin "*";
+          }
+          if ($request_method = OPTIONS) {
+            add_header Access-Control-Allow-Origin  "*";
+            add_header Access-Control-Allow-Methods "GET, POST, OPTIONS, HEAD";
+            add_header Access-Control-Allow-Headers "Authorization, Origin, X-Requested-With, Content-Type, Accept";
+            return 200;
+          }
+        '';
+      };
+    };
+  };
+
+  users.users.nginx.extraGroups = [ "prosody" ];
+
+  security.acme.certs.${rootDomain}.extraDomainNames = [
+    "upload.${rootDomain}"
+    "conference.${rootDomain}"
+    "anon.${rootDomain}"
+    "chat.${rootDomain}"
+  ];
+
+  #security.acme.certs.prosody = {
+  #  domain = "${domain}";
+  #  group = "prosody";
+  #  dnsProvider = "rfc2136";
+  #  #credentialsFile = config.secrets.files.dns_creds.path;
+  #  postRun = "systemctl restart prosody";
+  #  extraDomainNames = [
+  #    domain
+  #    "upload.${domain}"
+  #  ];
+  #};
+}