Merge branch 'develop' of https://git.pleroma.social/pleroma/pleroma into develop
[akkoma] / lib / pleroma / web / activity_pub / activity_pub_controller.ex
index ff924a5362d6093113cf229bbb2e106bb4e57201..e2af4ad1a7167286ef0cc9574ae7c9936d5689ea 100644 (file)
@@ -6,15 +6,16 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   use Pleroma.Web, :controller
 
   alias Pleroma.Activity
-  alias Pleroma.User
   alias Pleroma.Object
-  alias Pleroma.Web.ActivityPub.ObjectView
-  alias Pleroma.Web.ActivityPub.UserView
+  alias Pleroma.Object.Fetcher
+  alias Pleroma.User
   alias Pleroma.Web.ActivityPub.ActivityPub
-  alias Pleroma.Web.ActivityPub.Visibility
+  alias Pleroma.Web.ActivityPub.ObjectView
   alias Pleroma.Web.ActivityPub.Relay
   alias Pleroma.Web.ActivityPub.Transmogrifier
+  alias Pleroma.Web.ActivityPub.UserView
   alias Pleroma.Web.ActivityPub.Utils
+  alias Pleroma.Web.ActivityPub.Visibility
   alias Pleroma.Web.Federator
 
   require Logger
@@ -26,19 +27,18 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   plug(:relay_active? when action in [:relay])
 
   def relay_active?(conn, _) do
-    if Keyword.get(Application.get_env(:pleroma, :instance), :allow_relay) do
+    if Pleroma.Config.get([:instance, :allow_relay]) do
       conn
     else
       conn
-      |> put_status(404)
-      |> json(%{error: "not found"})
-      |> halt
+      |> render_error(:not_found, "not found")
+      |> halt()
     end
   end
 
   def user(conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("user.json", %{user: user}))
@@ -103,49 +103,63 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
     end
   end
 
-  def following(conn, %{"nickname" => nickname, "page" => page}) do
+  def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
+         {:show_follows, true} <-
+           {:show_follows, (for_user && for_user == user) || !user.info.hide_follows} do
       {page, _} = Integer.parse(page)
 
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("following.json", %{user: user, page: page}))
+      |> json(UserView.render("following.json", %{user: user, page: page, for: for_user}))
+    else
+      {:show_follows, _} ->
+        conn
+        |> put_resp_header("content-type", "application/activity+json")
+        |> send_resp(403, "")
     end
   end
 
-  def following(conn, %{"nickname" => nickname}) do
+  def following(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("following.json", %{user: user}))
+      |> json(UserView.render("following.json", %{user: user, for: for_user}))
     end
   end
 
-  def followers(conn, %{"nickname" => nickname, "page" => page}) do
+  def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname, "page" => page}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user),
+         {:show_followers, true} <-
+           {:show_followers, (for_user && for_user == user) || !user.info.hide_followers} do
       {page, _} = Integer.parse(page)
 
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("followers.json", %{user: user, page: page}))
+      |> json(UserView.render("followers.json", %{user: user, page: page, for: for_user}))
+    else
+      {:show_followers, _} ->
+        conn
+        |> put_resp_header("content-type", "application/activity+json")
+        |> send_resp(403, "")
     end
   end
 
-  def followers(conn, %{"nickname" => nickname}) do
+  def followers(%{assigns: %{user: for_user}} = conn, %{"nickname" => nickname}) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {user, for_user} <- ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
-      |> json(UserView.render("followers.json", %{user: user}))
+      |> json(UserView.render("followers.json", %{user: user, for: for_user}))
     end
   end
 
   def outbox(conn, %{"nickname" => nickname} = params) do
     with %User{} = user <- User.get_cached_by_nickname(nickname),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("outbox.json", %{user: user, max_id: params["max_id"]}))
@@ -153,9 +167,10 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
   end
 
   def inbox(%{assigns: %{valid_signature: true}} = conn, %{"nickname" => nickname} = params) do
-    with %User{} = user <- User.get_cached_by_nickname(nickname),
-         true <- Utils.recipient_in_message(user.ap_id, params),
-         params <- Utils.maybe_splice_recipient(user.ap_id, params) do
+    with %User{} = recipient <- User.get_cached_by_nickname(nickname),
+         {:ok, %User{} = actor} <- User.get_or_fetch_by_ap_id(params["actor"]),
+         true <- Utils.recipient_in_message(recipient, actor, params),
+         params <- Utils.maybe_splice_recipient(recipient.ap_id, params) do
       Federator.incoming_ap_doc(params)
       json(conn, "ok")
     end
@@ -172,7 +187,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
       "Signature missing or not from author, relayed Create message, fetching object from source"
     )
 
-    ActivityPub.fetch_object_from_id(params["object"]["id"])
+    Fetcher.fetch_object_from_id(params["object"]["id"])
 
     json(conn, "ok")
   end
@@ -188,12 +203,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
       Logger.info(inspect(conn.req_headers))
     end
 
-    json(conn, "error")
+    json(conn, dgettext("errors", "error"))
   end
 
   def relay(conn, _params) do
     with %User{} = user <- Relay.get_actor(),
-         {:ok, user} <- Pleroma.Web.WebFinger.ensure_keys_present(user) do
+         {:ok, user} <- User.ensure_keys_present(user) do
       conn
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("user.json", %{user: user}))
@@ -216,9 +231,15 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
       |> put_resp_header("content-type", "application/activity+json")
       |> json(UserView.render("inbox.json", %{user: user, max_id: params["max_id"]}))
     else
+      err =
+        dgettext("errors", "can't read inbox of %{nickname} as %{as_nickname}",
+          nickname: nickname,
+          as_nickname: user.nickname
+        )
+
       conn
       |> put_status(:forbidden)
-      |> json("can't read inbox of #{nickname} as #{user.nickname}")
+      |> json(err)
     end
   end
 
@@ -244,7 +265,7 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          {:ok, delete} <- ActivityPub.delete(object) do
       {:ok, delete}
     else
-      _ -> {:error, "Can't delete object"}
+      _ -> {:error, dgettext("errors", "Can't delete object")}
     end
   end
 
@@ -253,12 +274,12 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
          {:ok, activity, _object} <- ActivityPub.like(user, object) do
       {:ok, activity}
     else
-      _ -> {:error, "Can't like object"}
+      _ -> {:error, dgettext("errors", "Can't like object")}
     end
   end
 
   def handle_user_activity(_, _) do
-    {:error, "Unhandled activity type"}
+    {:error, dgettext("errors", "Unhandled activity type")}
   end
 
   def update_outbox(
@@ -286,22 +307,28 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
           |> json(message)
       end
     else
+      err =
+        dgettext("errors", "can't update outbox of %{nickname} as %{as_nickname}",
+          nickname: nickname,
+          as_nickname: user.nickname
+        )
+
       conn
       |> put_status(:forbidden)
-      |> json("can't update outbox of #{nickname} as #{user.nickname}")
+      |> json(err)
     end
   end
 
   def errors(conn, {:error, :not_found}) do
     conn
-    |> put_status(404)
-    |> json("Not found")
+    |> put_status(:not_found)
+    |> json(dgettext("errors", "Not found"))
   end
 
   def errors(conn, _e) do
     conn
-    |> put_status(500)
-    |> json("error")
+    |> put_status(:internal_server_error)
+    |> json(dgettext("errors", "error"))
   end
 
   defp set_requester_reachable(%Plug.Conn{} = conn, _) do
@@ -312,4 +339,17 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubController do
 
     conn
   end
+
+  defp ensure_user_keys_present_and_maybe_refresh_for_user(user, for_user) do
+    {:ok, new_user} = User.ensure_keys_present(user)
+
+    for_user =
+      if new_user != user and match?(%User{}, for_user) do
+        User.get_cached_by_nickname(for_user.nickname)
+      else
+        for_user
+      end
+
+    {new_user, for_user}
+  end
 end