X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fmedia_proxy%2Fmedia_proxy.ex;h=5762e767b8586b0b5511d4f5bd425ac77889af8b;hb=fa632f9c37b9692fe45c26a4f30d57ac34c91e03;hp=3bd2affe9e63733727a64ca1839eca27c15a924b;hpb=92a0210fb03ca3e0aefe769fb6b0ab7bda6e5336;p=akkoma diff --git a/lib/pleroma/web/media_proxy/media_proxy.ex b/lib/pleroma/web/media_proxy/media_proxy.ex index 3bd2affe9..5762e767b 100644 --- a/lib/pleroma/web/media_proxy/media_proxy.ex +++ b/lib/pleroma/web/media_proxy/media_proxy.ex @@ -13,32 +13,44 @@ defmodule Pleroma.Web.MediaProxy do def url(url) do config = Application.get_env(:pleroma, :media_proxy, []) + domain = URI.parse(url).host - 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] - - # 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 = + cond do + !Keyword.get(config, :enabled, false) or String.starts_with?(url, Pleroma.Web.base_url()) -> url - |> String.replace("%2F", replacement) - |> URI.decode() - |> URI.encode() - |> String.replace(replacement, "%2F") - |> Base.url_encode64(@base64_opts) - sig = :crypto.hmac(:sha, secret, base64) - sig64 = sig |> Base.url_encode64(@base64_opts) + Enum.any?(Pleroma.Config.get([:media_proxy, :whitelist]), fn pattern -> + String.equivalent?(domain, pattern) + end) -> + url - build_url(sig64, base64, filename(url)) + true -> + encode_url(url) end end + def encode_url(url) do + secret = Application.get_env(:pleroma, 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) + + sig = :crypto.hmac(:sha, secret, base64) + sig64 = sig |> Base.url_encode64(@base64_opts) + + build_url(sig64, base64, filename(url)) + 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)