-defmodule Pleroma.Web.ActivityPub.MRF do
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
- @callback filter(Map.t) :: {:ok | :reject, Map.t}
+defmodule Pleroma.Web.ActivityPub.MRF do
+ @callback filter(Map.t()) :: {:ok | :reject, Map.t()}
- def filter(object) do
- get_policies()
+ def filter(policies, %{} = object) do
+ policies
|> Enum.reduce({:ok, object}, fn
- (policy, {:ok, object}) ->
+ policy, {:ok, object} ->
policy.filter(object)
- (_, error) -> error
+
+ _, error ->
+ error
end)
end
- def get_policies() do
- Application.get_env(:pleroma, :instance, [])
- |> Keyword.get(:rewrite_policy, [])
- |> get_policies()
+ def filter(%{} = object), do: get_policies() |> filter(object)
+
+ def get_policies do
+ Pleroma.Config.get([:instance, :rewrite_policy], []) |> get_policies()
+ end
+
+ 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
- def get_policies(policy) when is_atom(policy), do: [policy]
- def get_policies(policies) when is_list(policies), do: policies
end