Merge branch 'feature/activitypub-oauth-endpoints' into 'develop'

ActivityPub C2S oauth endpoints

See merge request pleroma/pleroma!821

lib/pleroma/web/activity_pub/views/user_view.ex

@@ -12,9 +12,26 @@ defmodule Pleroma.Web.ActivityPub.UserView do
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Transmogrifier
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.Router.Helpers
+  alias Pleroma.Web.Endpoint
 
   import Ecto.Query
 
+  def render("endpoints.json", %{user: %User{nickname: nil, local: true} = _user}) do
+    %{"sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)}
+  end
+
+  def render("endpoints.json", %{user: %User{local: true} = _user}) do
+    %{
+      "oauthAuthorizationEndpoint" => Helpers.o_auth_url(Endpoint, :authorize),
+      "oauthRegistrationEndpoint" => Helpers.mastodon_api_url(Endpoint, :create_app),
+      "oauthTokenEndpoint" => Helpers.o_auth_url(Endpoint, :token_exchange),
+      "sharedInbox" => Helpers.activity_pub_url(Endpoint, :inbox)
+    }
+  end
+
+  def render("endpoints.json", _), do: %{}
+
   # the instance itself is not a Person, but instead an Application
   def render("user.json", %{user: %{nickname: nil} = user}) do
     {:ok, user} = WebFinger.ensure_keys_present(user)
@@ -22,6 +39,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do
     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
     public_key = :public_key.pem_encode([public_key])
 
+    endpoints = render("endpoints.json", %{user: user})
+
     %{
       "id" => user.ap_id,
       "type" => "Application",
@@ -37,9 +56,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
         "owner" => user.ap_id,
         "publicKeyPem" => public_key
       },
-      "endpoints" => %{
-        "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
-      }
+      "endpoints" => endpoints
     }
     |> Map.merge(Utils.make_json_ld_header())
   end
@@ -50,6 +67,8 @@ defmodule Pleroma.Web.ActivityPub.UserView do
     public_key = :public_key.pem_entry_encode(:SubjectPublicKeyInfo, public_key)
     public_key = :public_key.pem_encode([public_key])
 
+    endpoints = render("endpoints.json", %{user: user})
+
     %{
       "id" => user.ap_id,
       "type" => "Person",
@@ -67,9 +86,7 @@ defmodule Pleroma.Web.ActivityPub.UserView do
         "owner" => user.ap_id,
         "publicKeyPem" => public_key
       },
-      "endpoints" => %{
-        "sharedInbox" => "#{Pleroma.Web.Endpoint.url()}/inbox"
-      },
+      "endpoints" => endpoints,
       "icon" => %{
         "type" => "Image",
         "url" => User.avatar_url(user)

lib/pleroma/web/router.ex

@@ -468,8 +468,8 @@ defmodule Pleroma.Web.Router do
 
   scope "/", Pleroma.Web.ActivityPub do
     pipe_through(:activitypub)
-    post("/users/:nickname/inbox", ActivityPubController, :inbox)
     post("/inbox", ActivityPubController, :inbox)
+    post("/users/:nickname/inbox", ActivityPubController, :inbox)
   end
 
   scope "/.well-known", Pleroma.Web do

priv/static/schemas/litepub-0.1.jsonld

@@ -19,7 +19,11 @@
             "value": "schema:value",
             "sensitive": "as:sensitive",
             "litepub": "http://litepub.social/ns#",
-            "directMessage": "litepub:directMessage"
+            "directMessage": "litepub:directMessage",
+            "oauthRegistrationEndpoint": {
+                "@id": "litepub:oauthRegistrationEndpoint",
+                "@type": "@id"
+            }
         }
     ]
 }

test/web/activity_pub/views/user_view_test.exs

@@ -15,4 +15,43 @@ defmodule Pleroma.Web.ActivityPub.UserViewTest do
 
     assert String.contains?(result["publicKey"]["publicKeyPem"], "BEGIN PUBLIC KEY")
   end
+
+  describe "endpoints" do
+    test "local users have a usable endpoints structure" do
+      user = insert(:user)
+      {:ok, user} = Pleroma.Web.WebFinger.ensure_keys_present(user)
+
+      result = UserView.render("user.json", %{user: user})
+
+      assert result["id"] == user.ap_id
+
+      %{
+        "sharedInbox" => _,
+        "oauthAuthorizationEndpoint" => _,
+        "oauthRegistrationEndpoint" => _,
+        "oauthTokenEndpoint" => _
+      } = result["endpoints"]
+    end
+
+    test "remote users have an empty endpoints structure" do
+      user = insert(:user, local: false)
+      {:ok, user} = Pleroma.Web.WebFinger.ensure_keys_present(user)
+
+      result = UserView.render("user.json", %{user: user})
+
+      assert result["id"] == user.ap_id
+      assert result["endpoints"] == %{}
+    end
+
+    test "instance users do not expose oAuth endpoints" do
+      user = insert(:user, nickname: nil, local: true)
+      {:ok, user} = Pleroma.Web.WebFinger.ensure_keys_present(user)
+
+      result = UserView.render("user.json", %{user: user})
+
+      refute result["endpoints"]["oauthAuthorizationEndpoint"]
+      refute result["endpoints"]["oauthRegistrationEndpoint"]
+      refute result["endpoints"]["oauthTokenEndpoint"]
+    end
+  end
 end