Merge branch 'proxy-error' into 'develop'

make sure the url used by proxy is same as original url

See merge request pleroma/pleroma!1383

lib/pleroma/web/media_proxy/media_proxy.ex

@@ -33,20 +33,7 @@ defmodule Pleroma.Web.MediaProxy do
 
   def encode_url(url) do
     secret = Pleroma.Config.get([Pleroma.Web.Endpoint, :secret_key_base])
-
-    # Must preserve `%2F` for compatibility with S3
-    # https://git.pleroma.social/pleroma/pleroma/issues/580
-    replacement = get_replacement(url, ":2F:")
-
-    # The URL is url-decoded and encoded again to ensure it is correctly encoded and not twice.
-    base64 =
-      url
-      |> String.replace("%2F", replacement)
-      |> URI.decode()
-      |> URI.encode()
-      |> String.replace(replacement, "%2F")
-      |> Base.url_encode64(@base64_opts)
-
+    base64 = Base.url_encode64(url, @base64_opts)
     sig = :crypto.hmac(:sha, secret, base64)
     sig64 = sig |> Base.url_encode64(@base64_opts)
 
@@ -80,12 +67,4 @@ defmodule Pleroma.Web.MediaProxy do
     |> Enum.filter(fn value -> value end)
     |> Path.join()
   end
-
-  defp get_replacement(url, replacement) do
-    if String.contains?(url, replacement) do
-      get_replacement(url, replacement <> replacement)
-    else
-      replacement
-    end
-  end
 end