67 lines
1.8 KiB
Elixir
67 lines
1.8 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
|
# 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
|
|
policies
|
|
|> Enum.reduce({:ok, object}, fn
|
|
policy, {:ok, object} -> policy.filter(object)
|
|
_, error -> error
|
|
end)
|
|
end
|
|
|
|
def filter(%{} = object), do: get_policies() |> filter(object)
|
|
|
|
def get_policies do
|
|
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
|