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.filter(object)
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, "*.", "(.*\\.)*")}$)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