Update

lib/nulla_web/router.ex

@@ -18,13 +18,17 @@ defmodule NullaWeb.Router do
     plug :fetch_api_user
   end
 
+  pipeline :activitypub do
+    plug :accepts, ["activity+json"]
+  end
+
   scope "/", NullaWeb do
     pipe_through :browser
 
     get "/", PageController, :home
   end
 
-  scope "/api", NullaWeb do
+  scope "/api", NullaWeb.Api, as: :api do
     pipe_through :api
 
     resources "/actors", ActorController, except: [:new, :edit]
@@ -34,6 +38,28 @@ defmodule NullaWeb.Router do
     resources "/activities", ActivityController, except: [:new, :edit]
   end
 
+  scope "/", NullaWeb.ActivityPub, as: :activitypub do
+    pipe_through :activitypub
+
+    post "/inbox", InboxController, :inbox
+
+    scope "/users/:username" do
+      get "/", ActorController, :show
+      get "/following", FollowController, :following
+      get "/followers", FollowController, :followers
+      post "/inbox", InboxController, :inbox
+      get "/outbox", OutboxController, :index
+      get "/notes/:id", NoteController, :show
+    end
+  end
+
+  scope "/", NullaWeb.Generic, as: :generic do
+    get "/.well-known/host-meta", HostmetaController, :index
+    get "/.well-known/webfinger", WebfingerController, :index
+    get "/.well-known/nodeinfo", NodeinfoController, :index
+    get "/nodeinfo/2.0", NodeinfoController, :show
+  end
+
   # Enable LiveDashboard and Swoosh mailbox preview in development
   if Application.compile_env(:nulla, :dev_routes) do
     # If you want to use the LiveDashboard in production, you should put