X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf.ex;h=dd204b21c2194dc50dc32ba3b26d081d289f815d;hb=b70e659304ba35f7afc598c3d3d1b96fa16f6cdf;hp=10ceef715faed9abfef0d9009d14d0138800927e;hpb=4cab98b7bfc2117055c97a36369759047083cef9;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index 10ceef715..dd204b21c 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -25,4 +25,14 @@ defmodule Pleroma.Web.ActivityPub.MRF do
   defp get_policies(policy) when is_atom(policy), do: [policy]
   defp get_policies(policies) when is_list(policies), do: policies
   defp get_policies(_), do: []
+
+  @spec subdomains_regex([String.t()]) :: [Regex.t()]
+  def subdomains_regex(domains) when is_list(domains) do
+    for domain <- domains, do: ~r(^#{String.replace(domain, "*.", "(.*\\.)*")}$)
+  end
+
+  @spec subdomain_match?([Regex.t()], String.t()) :: boolean()
+  def subdomain_match?(domains, host) do
+    Enum.any?(domains, fn domain -> Regex.match?(domain, host) end)
+  end
 end