Add UserController

config/config.exs

@@ -61,6 +61,11 @@ config :logger, :console,
 # Use Jason for JSON parsing in Phoenix
 config :phoenix, :json_library, Jason
 
+config :mime, :types, %{
+  "application/activity+json" => ["activity+json"],
+  "application/ld+json" => ["ld+json"]
+}
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{config_env()}.exs"

lib/nulla_web/controllers/user_controller.ex

@@ -0,0 +1,64 @@
+defmodule NullaWeb.UserController do
+  use NullaWeb, :controller
+
+  def show(conn, %{"username" => username}) do
+    accept = get_req_header(conn, "accept") |> List.first() || ""
+
+    if String.contains?(accept, "application/activity+json") or String.contains?(accept, "application/ld+json") do
+      conn
+      |> put_resp_content_type("application/activity+json")
+      |> json(%{
+        id: "https://localhost/@#{username}",
+        type: "Person",
+        following: "https://localhost/@#{username}/following",
+        followers: "https://localhost/@#{username}/followers",
+        inbox: "https://localhost/@#{username}/inbox",
+        outbox: "https://localhost/@#{username}/outbox",
+        featured: "https://localhost/@#{username}/collections/featured",
+        preferredUsername: "miraikumiko",
+        name: "Mirai Kumiko",
+        summary: "Lol Kek Cheburek",
+        url: "https://localhost/@#{username}",
+        manuallyApprovesFollowers: false,
+        discoverable: true,
+        indexable: true,
+        published: "2025-05-05T00:00:00Z",
+        memorial: false,
+        publicKey: %{
+          id: "https://localhost/@#{username}#main-key",
+          owner: "https://localhost/@#{username}",
+          publicKeyPem: "public key"
+        },
+        tag: [
+          %{
+            type: "Hashtag",
+            href: "https://localhost/tags/linux",
+            name: "#linux"
+          }
+        ],
+        attachment: [
+          %{
+            type: "PropertyValue",
+            name: "Website",
+            value: "<a href=\"https://miraikumiko.com/\" rel=\"me nofollow noopener\" target=\"_blank\">https://miraikumiko.com</a>"
+          }
+        ],
+        endpoints: %{
+          sharedInbox: "https://localhost/inbox"
+        },
+        icon: %{
+          type: "Image",
+          mediaType: "image/jpeg",
+          url: "url"
+        },
+        image: %{
+          type: "Image",
+          mediaType: "image/jpeg",
+          url: "url"
+        }
+      })
+    else
+      render(conn, :show, username: username, layout: false)
+    end
+  end
+end

lib/nulla_web/controllers/user_html.ex

@@ -0,0 +1,10 @@
+defmodule NullaWeb.UserHTML do
+  @moduledoc """
+  This module contains pages rendered by UserController.
+
+  See the `user_html` directory for all templates available.
+  """
+  use NullaWeb, :html
+
+  embed_templates "user_html/*"
+end

lib/nulla_web/router.ex

@@ -2,7 +2,7 @@ defmodule NullaWeb.Router do
   use NullaWeb, :router
 
   pipeline :browser do
-    plug :accepts, ["html"]
+    plug :accepts, ["html", "activity+json", "ld+json"]
     plug :fetch_session
     plug :fetch_live_flash
     plug :put_root_layout, html: {NullaWeb.Layouts, :root}
@@ -18,7 +18,7 @@ defmodule NullaWeb.Router do
     pipe_through :browser
 
     get "/", PageController, :home
-    get "/@:username", PageController, :profile
+    get "/@:username", UserController, :show
   end
 
   # Other scopes may use custom stacks.