1 files changed, 101 insertions, 0 deletions
diff --git a/nix/modules/public_inbox.nix b/nix/modules/public_inbox.nix
new file mode 100644
index 0000000..cba1e39
--- /dev/null
+++ b/nix/modules/public_inbox.nix
@@ -0,0 +1,101 @@
+{ lib, config, ... }:
+{
+  systemd.tmpfiles.rules = [
+    "C+ /var/lib/public-inbox/style.css 0644 public-inbox public-inbox - ${../data/public-inbox.css}"
+  ];
+  systemd.services.public-inbox-httpd = if config.monorepo.profiles.server.enable then {
+    preStart = ''
+    # Copy or link the file. 
+    # Using 'cp' is often safer for sandboxed services than linking to the store. Lol.
+    cp -f ${../data/public-inbox.css} /var/lib/public-inbox/style.css
+    chmod 644 /var/lib/public-inbox/style.css
+  '';
+    
+    serviceConfig = {
+      # Allow the service to see the file it just created
+      BindPaths = [ 
+        "/var/lib/public-inbox" 
+        "/srv/git/"
+      ];
+      ReadOnlyPaths = [ "/var/lib/public-inbox/style.css" ];
+      # Ensure it can actually write to the directory during preStart
+      ReadWritePaths = [ "/var/lib/public-inbox" ];
+    };
+  } else {};
+
+  systemd.services.public-inbox-watch = if config.monorepo.profiles.server.enable then {
+    after = [ "sops-nix.service" ];
+    confinement.enable = lib.mkForce false;
+    preStart = ''
+      mkdir -p /var/lib/public-inbox/.tmp
+      chmod 0700 /var/lib/public-inbox/.tmp
+      ln -sfn ${config.sops.templates."public-inbox-netrc".path} /var/lib/public-inbox/.netrc
+    '';
+    environment = {
+      PUBLIC_INBOX_FORCE_IPV4 = "1";
+      NETRC = config.sops.templates."public-inbox-netrc".path;
+      HOME = "/var/lib/public-inbox";
+      TMPDIR = "/var/lib/public-inbox/.tmp";
+    };
+
+    serviceConfig = {
+      RestrictSUIDSGID = lib.mkForce false;
+      ReadWritePaths = [ "/var/lib/public-inbox" ];
+      RestrictAddressFamilies = lib.mkForce [ "AF_UNIX" "AF_INET" "AF_INET6" ];
+      PrivateNetwork = lib.mkForce false;
+      SystemCallFilter = lib.mkForce [];
+      RootDirectory = lib.mkForce "";
+
+      CapabilityBoundingSet = lib.mkForce [ "~" ];
+      UMask = lib.mkForce "0022";
+      ProtectSystem = lib.mkForce false;
+    };
+  } else {};
+
+  services.public-inbox = {
+    enable = lib.mkDefault config.monorepo.profiles.server.enable;
+    settings = {
+      coderepo."nullerbot".dir = "/srv/git/nullerbot.git";
+      coderepo."nullerbot".cgitUrl = "https://git.nullring.xyz/nullerbot.git";
+      coderepo."monorepo".dir = "/srv/git/monorepo.git";
+      coderepo."monorepo".cgitUrl = "https://git.nullring.xyz/monorepo.git";
+      publicinbox.css = ["/var/lib/public-inbox/style.css"];
+      publicinbox.wwwlisting = "all";
+    };
+    http = {
+      enable = true;
+      port = 9090;
+    };
+    inboxes = {
+      "monorepo" = {
+        description = "discussion of ret2pop's monorepo project and related work.";
+        address = [ "monorepo@${config.monorepo.vars.orgHost}" ];
+        inboxdir = "/var/lib/public-inbox/monorepo";
+        url = "https://list.${config.monorepo.vars.orgHost}/monorepo";
+        watch = [ "imaps://monorepo%40${config.monorepo.vars.orgHost}@mail.${config.monorepo.vars.orgHost}/INBOX" ];
+        coderepo = [
+          "monorepo"
+        ];
+      };
+
+      "discussion" = {
+        description = "Main Nullring Discussion Mailing List";
+        address = [ "discussion@${config.monorepo.vars.orgHost}" ];
+        inboxdir = "/var/lib/public-inbox/discuss";
+        url = "https://list.${config.monorepo.vars.orgHost}/discussion";
+        watch = [ "imaps://discussion%40${config.monorepo.vars.orgHost}@mail.${config.monorepo.vars.orgHost}/INBOX" ];
+      };
+
+      "nullerbot" = {
+        description = "Discussion of Nullerbot Matrix Bot";
+        address = [ "nullerbot@${config.monorepo.vars.orgHost}" ];
+        inboxdir = "/var/lib/public-inbox/nullerbot";
+        url = "https://list.${config.monorepo.vars.orgHost}/nullerbot";
+        watch = [ "imaps://nullerbot%40${config.monorepo.vars.orgHost}@mail.${config.monorepo.vars.orgHost}/INBOX" ];
+        coderepo = [
+          "nullerbot"
+        ];
+      };
+    };
+  };
+}