1 files changed, 41 insertions, 15 deletions
diff --git a/lib/pleroma/upload.ex b/lib/pleroma/upload.ex
index db2cc1dae..654711351 100644
--- a/lib/pleroma/upload.ex
+++ b/lib/pleroma/upload.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Upload do
@@ -31,6 +31,7 @@ defmodule Pleroma.Upload do
 
   """
   alias Ecto.UUID
+  alias Pleroma.Config
   require Logger
 
   @type source ::
@@ -130,12 +131,7 @@ defmodule Pleroma.Upload do
       uploader: Keyword.get(opts, :uploader, Pleroma.Config.get([__MODULE__, :uploader])),
       filters: Keyword.get(opts, :filters, Pleroma.Config.get([__MODULE__, :filters])),
       description: Keyword.get(opts, :description),
-      base_url:
-        Keyword.get(
-          opts,
-          :base_url,
-          Pleroma.Config.get([__MODULE__, :base_url], Pleroma.Web.base_url())
-        )
+      base_url: base_url()
     }
   end
 
@@ -216,16 +212,46 @@ defmodule Pleroma.Upload do
           ""
         end
 
-    prefix =
-      if is_nil(Pleroma.Config.get([__MODULE__, :base_url])) do
-        "media"
-      else
-        ""
-      end
-
-    [base_url, prefix, path]
+    [base_url, path]
     |> Path.join()
   end
 
   defp url_from_spec(_upload, _base_url, {:url, url}), do: url
+
+  def base_url do
+    uploader = Config.get([Pleroma.Upload, :uploader])
+    upload_base_url = Config.get([Pleroma.Upload, :base_url])
+    public_endpoint = Config.get([uploader, :public_endpoint])
+
+    case uploader do
+      Pleroma.Uploaders.Local ->
+        upload_base_url || Pleroma.Web.base_url() <> "/media/"
+
+      Pleroma.Uploaders.S3 ->
+        bucket = Config.get([Pleroma.Uploaders.S3, :bucket])
+        truncated_namespace = Config.get([Pleroma.Uploaders.S3, :truncated_namespace])
+        namespace = Config.get([Pleroma.Uploaders.S3, :bucket_namespace])
+
+        bucket_with_namespace =
+          cond do
+            !is_nil(truncated_namespace) ->
+              truncated_namespace
+
+            !is_nil(namespace) ->
+              namespace <> ":" <> bucket
+
+            true ->
+              bucket
+          end
+
+        if public_endpoint do
+          Path.join([public_endpoint, bucket_with_namespace])
+        else
+          Path.join([upload_base_url, bucket_with_namespace])
+        end
+
+      _ ->
+        public_endpoint || upload_base_url || Pleroma.Web.base_url() <> "/media/"
+    end
+  end
 end