3 files changed, 47 insertions, 8 deletions
diff --git a/lib/pleroma/web/twitter_api/controllers/util_controller.ex b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
index b0ed8387e..092779010 100644
--- a/lib/pleroma/web/twitter_api/controllers/util_controller.ex
+++ b/lib/pleroma/web/twitter_api/controllers/util_controller.ex
@@ -157,13 +157,17 @@ defmodule Pleroma.Web.TwitterAPI.UtilController do
         |> send_resp(200, response)
 
       _ ->
+        vapid_public_key =
+          Keyword.get(Application.get_env(:web_push_encryption, :vapid_details), :public_key)
+
         data = %{
           name: Keyword.get(instance, :name),
           description: Keyword.get(instance, :description),
           server: Web.base_url(),
           textlimit: to_string(Keyword.get(instance, :limit)),
           closed: if(Keyword.get(instance, :registrations_open), do: "0", else: "1"),
-          private: if(Keyword.get(instance, :public, true), do: "0", else: "1")
+          private: if(Keyword.get(instance, :public, true), do: "0", else: "1"),
+          vapidPublicKey: vapid_public_key
         }
 
         pleroma_fe = %{
diff --git a/lib/pleroma/web/twitter_api/twitter_api.ex b/lib/pleroma/web/twitter_api/twitter_api.ex
index c19a4f084..9c485d965 100644
--- a/lib/pleroma/web/twitter_api/twitter_api.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api.ex
@@ -93,8 +93,8 @@ defmodule Pleroma.Web.TwitterAPI.TwitterAPI do
     end
   end
 
-  def upload(%Plug.Upload{} = file, format \\ "xml") do
-    {:ok, object} = ActivityPub.upload(file)
+  def upload(%Plug.Upload{} = file, %User{} = user, format \\ "xml") do
+    {:ok, object} = ActivityPub.upload(file, actor: User.ap_id(user))
 
     url = List.first(object.data["url"])
     href = url["href"]
diff --git a/lib/pleroma/web/twitter_api/twitter_api_controller.ex b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
index 8fd6ea078..0ccf937b0 100644
--- a/lib/pleroma/web/twitter_api/twitter_api_controller.ex
+++ b/lib/pleroma/web/twitter_api/twitter_api_controller.ex
@@ -4,7 +4,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
   alias Pleroma.Web.TwitterAPI.{TwitterAPI, UserView, ActivityView, NotificationView}
   alias Pleroma.Web.CommonAPI
   alias Pleroma.Web.CommonAPI.Utils, as: CommonUtils
-  alias Pleroma.{Repo, Activity, User, Notification}
+  alias Pleroma.{Repo, Activity, Object, User, Notification}
   alias Pleroma.Web.ActivityPub.ActivityPub
   alias Pleroma.Web.ActivityPub.Utils
   alias Ecto.Changeset
@@ -226,16 +226,51 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
     end
   end
 
-  def upload(conn, %{"media" => media}) do
-    response = TwitterAPI.upload(media)
+  @doc """
+  Updates metadata of uploaded media object.
+  Derived from [Twitter API endpoint](https://developer.twitter.com/en/docs/media/upload-media/api-reference/post-media-metadata-create).
+  """
+  def update_media(%{assigns: %{user: user}} = conn, %{"media_id" => id} = data) do
+    object = Repo.get(Object, id)
+    description = get_in(data, ["alt_text", "text"]) || data["name"] || data["description"]
+
+    {conn, status, response_body} =
+      cond do
+        !object ->
+          {halt(conn), :not_found, ""}
+
+        !Object.authorize_mutation(object, user) ->
+          {halt(conn), :forbidden, "You can only update your own uploads."}
+
+        !is_binary(description) ->
+          {conn, :not_modified, ""}
+
+        true ->
+          new_data = Map.put(object.data, "name", description)
+
+          {:ok, _} =
+            object
+            |> Object.change(%{data: new_data})
+            |> Repo.update()
+
+          {conn, :no_content, ""}
+      end
+
+    conn
+    |> put_status(status)
+    |> json(response_body)
+  end
+
+  def upload(%{assigns: %{user: user}} = conn, %{"media" => media}) do
+    response = TwitterAPI.upload(media, user)
 
     conn
     |> put_resp_content_type("application/atom+xml")
     |> send_resp(200, response)
   end
 
-  def upload_json(conn, %{"media" => media}) do
-    response = TwitterAPI.upload(media, "json")
+  def upload_json(%{assigns: %{user: user}} = conn, %{"media" => media}) do
+    response = TwitterAPI.upload(media, user, "json")
 
     conn
     |> json_reply(200, response)