X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf.ex;h=5a4a76085dd41e95016120e4c82fc21f607fc5a7;hb=d1c7f8e576e31487544b57d67802843b8ef38388;hp=10ceef715faed9abfef0d9009d14d0138800927e;hpb=ffb4eb9779ddd28ecee84c06e8dc58f4a4daaa38;p=akkoma

diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index 10ceef715..5a4a76085 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.MRF do
@@ -8,11 +8,8 @@ defmodule Pleroma.Web.ActivityPub.MRF do
   def filter(policies, %{} = object) do
     policies
     |> Enum.reduce({:ok, object}, fn
-      policy, {:ok, object} ->
-        policy.filter(object)
-
-      _, error ->
-        error
+      policy, {:ok, object} -> policy.filter(object)
+      _, error -> error
     end)
   end
 
@@ -25,4 +22,46 @@ 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, "*.", "(.*\\.)*")}$)i
+  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
+
+  @callback describe() :: {:ok | :error, Map.t()}
+
+  def describe(policies) do
+    {:ok, policy_configs} =
+      policies
+      |> Enum.reduce({:ok, %{}}, fn
+        policy, {:ok, data} ->
+          {:ok, policy_data} = policy.describe()
+          {:ok, Map.merge(data, policy_data)}
+
+        _, error ->
+          error
+      end)
+
+    mrf_policies =
+      get_policies()
+      |> Enum.map(fn policy -> to_string(policy) |> String.split(".") |> List.last() end)
+
+    exclusions = Pleroma.Config.get([:instance, :mrf_transparency_exclusions])
+
+    base =
+      %{
+        mrf_policies: mrf_policies,
+        exclusions: length(exclusions) > 0
+      }
+      |> Map.merge(policy_configs)
+
+    {:ok, base}
+  end
+
+  def describe, do: get_policies() |> describe()
 end