1 files changed, 0 insertions, 84 deletions
diff --git a/lib/pleroma/plugs/idempotency_plug.ex b/lib/pleroma/plugs/idempotency_plug.ex
deleted file mode 100644
index f41397075..000000000
--- a/lib/pleroma/plugs/idempotency_plug.ex
+++ /dev/null
@@ -1,84 +0,0 @@
-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.Plugs.IdempotencyPlug do
-  import Phoenix.Controller, only: [json: 2]
-  import Plug.Conn
-
-  @behaviour Plug
-
-  @impl true
-  def init(opts), do: opts
-
-  # Sending idempotency keys in `GET` and `DELETE` requests has no effect
-  # and should be avoided, as these requests are idempotent by definition.
-
-  @impl true
-  def call(%{method: method} = conn, _) when method in ["POST", "PUT", "PATCH"] do
-    case get_req_header(conn, "idempotency-key") do
-      [key] -> process_request(conn, key)
-      _ -> conn
-    end
-  end
-
-  def call(conn, _), do: conn
-
-  def process_request(conn, key) do
-    case Cachex.get(:idempotency_cache, key) do
-      {:ok, nil} ->
-        cache_resposnse(conn, key)
-
-      {:ok, record} ->
-        send_cached(conn, key, record)
-
-      {atom, message} when atom in [:ignore, :error] ->
-        render_error(conn, message)
-    end
-  end
-
-  defp cache_resposnse(conn, key) do
-    register_before_send(conn, fn conn ->
-      [request_id] = get_resp_header(conn, "x-request-id")
-      content_type = get_content_type(conn)
-
-      record = {request_id, content_type, conn.status, conn.resp_body}
-      {:ok, _} = Cachex.put(:idempotency_cache, key, record)
-
-      conn
-      |> put_resp_header("idempotency-key", key)
-      |> put_resp_header("x-original-request-id", request_id)
-    end)
-  end
-
-  defp send_cached(conn, key, record) do
-    {request_id, content_type, status, body} = record
-
-    conn
-    |> put_resp_header("idempotency-key", key)
-    |> put_resp_header("idempotent-replayed", "true")
-    |> put_resp_header("x-original-request-id", request_id)
-    |> put_resp_content_type(content_type)
-    |> send_resp(status, body)
-    |> halt()
-  end
-
-  defp render_error(conn, message) do
-    conn
-    |> put_status(:unprocessable_entity)
-    |> json(%{error: message})
-    |> halt()
-  end
-
-  defp get_content_type(conn) do
-    [content_type] = get_resp_header(conn, "content-type")
-
-    if String.contains?(content_type, ";") do
-      content_type
-      |> String.split(";")
-      |> hd()
-    else
-      content_type
-    end
-  end
-end