Implement uploader behaviour

run formatter <#

config/config.exs

@@ -14,11 +14,9 @@ config :pleroma, Pleroma.Upload,
   uploader: Pleroma.Uploaders.Local,
   strip_exif: false
 
-config :pleroma, Pleroma.Uploaders.Local,
-  uploads: "uploads"
+config :pleroma, Pleroma.Uploaders.Local, uploads: "uploads"
 
-config :pleroma, Pleroma.Uploaders.S3,
-  s3_bucket: nil
+config :pleroma, Pleroma.Uploaders.S3, s3_bucket: nil
 
 config :pleroma, :emoji, shortcode_globs: ["/emoji/custom/**/*.png"]
 

lib/pleroma/upload.ex

 defmodule Pleroma.Upload do
   alias Ecto.UUID
 
-  def store(%Plug.Upload{} = file, should_dedupe) do
-    settings = Application.get_env(:pleroma, Pleroma.Upload)
-    storage_backend = Keyword.fetch!(settings, :storage_backend)
+  @storage_backend Application.get_env(:pleroma, Pleroma.Upload)
+                   |> Keyword.fetch!(:uploader)
 
+  def store(%Plug.Upload{} = file, should_dedupe) do
     content_type = get_content_type(file.path)
     uuid = get_uuid(file, should_dedupe)
     name = get_name(file, uuid, content_type, should_dedupe)
 
     strip_exif_data(content_type, file.path)
 
-    url_path = storage_backend.put_file(name, uuid, content_type)
+    url_path = @storage_backend.put_file(name, uuid, file, content_type, should_dedupe)
 
     %{
       "type" => "Document",
@@ -25,6 +25,7 @@ defmodule Pleroma.Upload do
       "name" => name
     }
   end
+
   """
   # XXX: does this code actually work?  i am skeptical.  --kaniini
   def store(%{"img" => "data:image/" <> image_data}, should_dedupe) do

lib/pleroma/uploaders/local.ex

 defmodule Pleroma.Uploaders.Local do
+  @behaviour Pleroma.Uploaders.Uploader
 
   alias Pleroma.Web
 
   def put_file(name, uuid, file, _content_type, should_dedupe) do
-
     upload_folder = get_upload_path(uuid, should_dedupe)
     url_path = get_url(name, uuid, should_dedupe)
 

lib/pleroma/uploaders/s3.ex

 defmodule Pleroma.Uploaders.S3 do
+  @behaviour Pleroma.Uploaders.Uploader
 
   def put_file(name, uuid, path, content_type, _should_dedupe) do
-
     settings = Application.get_env(:pleroma, Pleroma.Uploaders.S3)
     bucket = Keyword.fetch!(settings, :bucket)
     public_endpoint = Keyword.fetch!(settings, :public_endpoint)

lib/pleroma/uploaders/swift.ex

+