remove Salmon module

lib/pleroma/web/ostatus/feed_representer.ex

@@ -40,8 +40,6 @@ defmodule Pleroma.Web.OStatus.FeedRepresenter do
           {:title, ['#{user.nickname}\'s timeline']},
           {:updated, h.(most_recent_update)},
           {:logo, [to_charlist(User.avatar_url(user) |> MediaProxy.url())]},
-          {:link, [rel: 'hub', href: h.(OStatus.pubsub_path(user))], []},
-          {:link, [rel: 'salmon', href: h.(OStatus.salmon_path(user))], []},
           {:link, [rel: 'self', href: h.(OStatus.feed_path(user)), type: 'application/atom+xml'],
            []},
           {:author, UserRepresenter.to_simple_form(user)}

lib/pleroma/web/ostatus/ostatus.ex

@@ -37,10 +37,6 @@ defmodule Pleroma.Web.OStatus do
 
   def feed_path(user), do: "#{user.ap_id}/feed.atom"
 
-  def pubsub_path(user), do: "#{Web.base_url()}/push/hub/#{user.nickname}"
-
-  def salmon_path(user), do: "#{user.ap_id}/salmon"
-
   def remote_follow_path, do: "#{Web.base_url()}/ostatus_subscribe?acct={uri}"
 
   def handle_incoming(xml_string, options \\ []) do

lib/pleroma/web/ostatus/ostatus_controller.ex

@@ -24,8 +24,6 @@ defmodule Pleroma.Web.OStatus.OStatusController do
     {:ap_routes, params: ["uuid"]} when action in [:object, :activity]
   )
 
-  plug(Pleroma.Web.FederatingPlug when action in [:salmon_incoming])
-
   plug(
     Pleroma.Plugs.SetFormatPlug
     when action in [:object, :activity, :notice]
@@ -33,32 +31,6 @@ defmodule Pleroma.Web.OStatus.OStatusController do
 
   action_fallback(:errors)
 
-  defp decode_or_retry(body) do
-    with {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
-         {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
-      {:ok, doc}
-    else
-      _e ->
-        with [decoded | _] <- Pleroma.Web.Salmon.decode(body),
-             doc <- XML.parse_document(decoded),
-             uri when not is_nil(uri) <- XML.string_from_xpath("/entry/author[1]/uri", doc),
-             {:ok, _} <- Pleroma.Web.OStatus.make_user(uri, true),
-             {:ok, magic_key} <- Pleroma.Web.Salmon.fetch_magic_key(body),
-             {:ok, doc} <- Pleroma.Web.Salmon.decode_and_validate(magic_key, body) do
-          {:ok, doc}
-        end
-    end
-  end
-
-  def salmon_incoming(conn, _) do
-    {:ok, body, _conn} = read_body(conn)
-    {:ok, doc} = decode_or_retry(body)
-
-    Federator.incoming_doc(doc)
-
-    send_resp(conn, 200, "")
-  end
-
   def object(%{assigns: %{format: format}} = conn, %{"uuid" => _uuid})
       when format in ["json", "activity+json"] do
     ActivityPubController.call(conn, :object)