server: add discord<->matrix bridge

flake.lock

@@ -298,11 +298,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712769857,
-        "narHash": "sha256-YUyh+yfB15+2gvvvTvWBQbAUrD1x391QF1PRZUSt87k=",
+        "lastModified": 1717670519,
+        "narHash": "sha256-4p8B6Iv55BUG+d4ZJRUBhx70yWnqYlJ2EGSxx3dk4nc=",
         "owner": "chayleaf",
         "repo": "nixpkgs",
-        "rev": "058c6a3724a1cc5ef010ce6f2163d959666e8a86",
+        "rev": "411826c44e54583b30f767d76489e37dabf1707c",
         "type": "github"
       },
       "original": {

pkgs/default.nix

@@ -26,6 +26,26 @@ in
     stable = nixForNixPlugins;
     unstable = nixForNixPlugins;
   };
+  matrix-appservice-discord = pkgs.matrix-appservice-discord.overrideAttrs (old: {
+    patches = (old.patches or []) ++ [
+      (pkgs.fetchpatch {
+        url = "https://github.com/matrix-org/matrix-appservice-discord/commit/eb989fa710e8db4ebc8f2ce36c6679ee6cbc1a44.patch";
+        hash = "sha256-GPeFDw3XujqXHJveHSsBHwHuG51vad50p55FX1Esq58=";
+      })
+      (pkgs.fetchpatch {
+        url = "https://github.com/matrix-org/matrix-appservice-discord/commit/a4cd5e3a6a2d544adac2a263e164671c8a9009d9.patch";
+        hash = "sha256-qQJ4V6/Ns2Msu8+X8JoEycuQ2Jc90TXulsuLLmPecGU=";
+      })
+      (pkgs.fetchpatch {
+        url = "https://github.com/matrix-org/matrix-appservice-discord/commit/fc850ba2473973e28858449ec4020380470d78b2.patch";
+        hash = "sha256-Lq0FWmR08wLsoq4APRTokZzb7U2po98pgyxH4UR/9/M=";
+      })
+      (pkgs.fetchpatch {
+        url = "https://github.com/matrix-org/matrix-appservice-discord/commit/7f3d41d86ebce057cfdc82ce3aaab64b533e8f0b.patch";
+        hash = "sha256-HmQ1KASZS+a78fe5yOCVXAnXLRmJUglzc6OxNJazOSk=";
+      })
+    ];
+  });
   # Various patches to change Nix version of existing packages so they don't error out because of nix-plugins in nix.conf
   /*nix-plugins = (pkgs.nix-plugins.override { nix = nixForNixPlugins; }).overrideAttrs (old: {
     version = "13.0.0";

system/hosts/router/avahi-resolver-v2.py

@@ -682,7 +682,7 @@ def init(*args: Any, **kwargs: Any):
                 with open(f"{base}/{k}_dpi.json", "rt", encoding="utf-8") as f:
                     dpi: list[DpiInfo] = json.load(f)
                 for dpi_info in dpi:
-                    all_domains.extend(dpi_info.get("domains", []))
+                    all_domains.extend(dpi_info["domains"])
             except FileNotFoundError:
                 pass
             except:

system/hosts/router/default.nix

@@ -483,7 +483,7 @@ in {
       { ipv6 = true; extraArgs = [ "fwmark" wan_table "table" wan_table ]; }
       # below is dnat config
     ] ++ builtins.concatLists (map (rule: let
-      table = if rule.inVpn then 0 else wan_table;
+      table = if rule.inVpn then vpn_table else wan_table;
       forEachPort = func: port:
         if builtins.isInt port then [ (func port) ]
         else if port?set then builtins.concatLists (map (forEachPort func) port.set)

system/hosts/server/home.nix

@@ -107,14 +107,11 @@ in {
   # make sure only hydra has access to this file
   # so normal nix evals don't have access to builtins
   nix.settings.extra-builtins-file = "/secrets/nixos/extra-builtins.nix";
+  # required for hydra which uses restricted mode
   nix.settings.allowed-uris = [
-    # required for home-manager (no idea if it's required at this point)
-    "https://git.sr.ht/~rycee/nmd/"
-    # ...for the rest of the home config
-    "https://api.github.com/repos/FAForever/"
-    "https://github.com/nix-community/nix-index-database/releases/download/"
-    # required for server (I suppose since nvfetcher uses fetchTarball here...)
-    "https://github.com/searxng/searxng/"
+    "https://git.sr.ht/"
+    "https://api.github.com/repos/"
+    "https://github.com/"
     # for nginx CF-Connecting-IP config generation
     "https://www.cloudflare.com/ips-v4"
     "https://www.cloudflare.com/ips-v6"
@@ -283,7 +280,7 @@ in {
         job_name = "local_medium_freq";
         scrape_interval = "15m";
         static_configs = [ {
-          targets = [ "127.0.0.1:9548" "127.0.0.1:9198" ];
+          targets = [ "127.0.0.1:9548" "127.0.0.1:9198" "127.0.0.1:9173" ];
           labels.machine = "server";
         } ];
       }
@@ -359,6 +356,12 @@ in {
       }
     ];
   };
+  # TODO: enable
+  services.matrix-appservice-discord.settings.metrics = {
+    enable = true;
+    host = "127.0.0.1";
+    port = 9173;
+  };
   services.matrix-synapse.settings = {
     enable_metrics = true;
     federation_metrics_domains = [ "matrix.org" ];

system/hosts/server/keycloak.nix

@@ -36,7 +36,8 @@ in {
 
   # a crude way to make some python packages available for synapse
   services.matrix-synapse.plugins = with pkgs.python3.pkgs; [ authlib ];
-  services.matrix-synapse.settings.password_config.enabled = false;
+  # i'm managing this manually in a stateful way
+  # services.matrix-synapse.settings.password_config.enabled = false;
   systemd.services.matrix-synapse.after = [ "keycloak.service" ];
 
   # See also https://meta.akkoma.dev/t/390

system/hosts/server/matrix.nix

@@ -1,5 +1,6 @@
 { config
 , lib
+, pkgs
 , ... }:
 
 let
@@ -51,12 +52,32 @@ in {
     homeserver = "http://${lib.quoteListenAddr matrixAddr}:${toString matrixPort}/";
   };
 
+  services.matrix-appservice-discord = {
+    enable = true;
+    environmentFile = "/secrets/discord-bridge-token";
+    settings = {
+      auth.usePrivilegedIntents = true;
+      database.filename = "";
+      bridge = {
+        domain = "matrix.${cfg.domainName}";
+        homeserverUrl = "https://matrix.${cfg.domainName}";
+        enableSelfServiceBridging = true;
+        disablePresence = true;
+        disablePortalBridging = true;
+        disableInviteNotifications = true;
+        disableJoinLeaveNotifications = true;
+        disableRoomTopicNotifications = true;
+      };
+    };
+  };
+
   services.matrix-synapse = {
     enable = true;
     extraConfigFiles = [ "/var/lib/matrix-synapse/config.yaml" ];
     settings = {
       app_service_config_files = [
         "/var/lib/heisenbridge/registration.yml"
+        "/var/lib/matrix-synapse/discord-registration.yaml"
       ];
       allow_guest_access = true;
       url_preview_enabled = true;

system/hosts/server/maubot.nix

@@ -30,5 +30,6 @@ in {
   ];
   services.maubot.pythonPackages = with pkgs.python3.pkgs; [
     levenshtein
+    pillow
   ];
 }