defmodule Pleroma.Web.MediaProxy do
@base64_opts [padding: false]
- @base64_key Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
def url(nil), do: nil
+ def url(url = "/" <> _), do: url
+
def url(url) do
- if String.starts_with?(url, Pleroma.Web.base_url) do
+ config = Application.get_env(:pleroma, :media_proxy, [])
+ if !Keyword.get(config, :enabled, false) or String.starts_with?(url, Pleroma.Web.base_url) do
url
else
+ secret = Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
base64 = Base.url_encode64(url, @base64_opts)
- sig = :crypto.hmac(:sha, @base64_key, base64)
+ sig = :crypto.hmac(:sha, secret, base64)
sig64 = sig |> Base.url_encode64(@base64_opts)
- cache_url("#{sig64}/#{base64}")
+ Keyword.get(config, :base_url, Pleroma.Web.base_url) <> "/proxy/#{sig64}/#{base64}"
end
end
def decode_url(sig, url) do
+ secret = Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
sig = Base.url_decode64!(sig, @base64_opts)
- local_sig = :crypto.hmac(:sha, @base64_key, url)
+ local_sig = :crypto.hmac(:sha, secret, url)
if local_sig == sig do
{:ok, Base.url_decode64!(url, @base64_opts)}
else
end
end
- defp cache_url(path) do
- "/proxy/" <> path
- end
-
-
end