X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf.ex;h=5e5361082755d11f3036d678d0f6881564b15433;hb=f3a1f9c3bbb7321876a09b3846b5e10ecf4af94f;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..5e5361082 100644 --- a/lib/pleroma/web/activity_pub/mrf.ex +++ b/lib/pleroma/web/activity_pub/mrf.ex @@ -1,28 +1,85 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2019 Pleroma Authors +# Copyright © 2017-2020 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF do @callback filter(Map.t()) :: {:ok | :reject, Map.t()} - def filter(policies, %{} = object) do + def filter(policies, %{} = message) do policies - |> Enum.reduce({:ok, object}, fn - policy, {:ok, object} -> - policy.filter(object) - - _, error -> - error + |> Enum.reduce({:ok, message}, fn + policy, {:ok, message} -> policy.filter(message) + _, error -> error end) end def filter(%{} = object), do: get_policies() |> filter(object) + def pipeline_filter(%{} = message, meta) do + object = meta[:object_data] + ap_id = message["object"] + + if object && ap_id do + with {:ok, message} <- filter(Map.put(message, "object", object)) do + meta = Keyword.put(meta, :object_data, message["object"]) + {:ok, Map.put(message, "object", ap_id), meta} + else + {err, message} -> {err, message, meta} + end + else + {err, message} = filter(message) + + {err, message, meta} + end + end + def get_policies do - Pleroma.Config.get([:instance, :rewrite_policy], []) |> get_policies() + Pleroma.Config.get([:mrf, :policies], []) |> 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([: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