X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fpleroma%2Fweb%2Factivity_pub%2Fmrf.ex;h=f2fec3ff61fa37a45149fa1de14b09b8bd376b51;hb=24d66b60a0272ef4e78f2f9802682964059c44ce;hp=eebea207c14d05c420f2d434454bfe0ab0633ee3;hpb=1b1e92866742e75de84201b079ffee48c769886e;p=akkoma
diff --git a/lib/pleroma/web/activity_pub/mrf.ex b/lib/pleroma/web/activity_pub/mrf.ex
index eebea207c..f2fec3ff6 100644
--- a/lib/pleroma/web/activity_pub/mrf.ex
+++ b/lib/pleroma/web/activity_pub/mrf.ex
@@ -1,28 +1,180 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2021 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.MRF do
- @callback filter(Map.t()) :: {:ok | :reject, Map.t()}
+ require Logger
+
+ @behaviour Pleroma.Web.ActivityPub.MRF.PipelineFiltering
+
+ @mrf_config_descriptions [
+ %{
+ group: :pleroma,
+ key: :mrf,
+ tab: :mrf,
+ label: "MRF",
+ type: :group,
+ description: "General MRF settings",
+ children: [
+ %{
+ key: :policies,
+ type: [:module, {:list, :module}],
+ description:
+ "A list of MRF policies enabled. Module names are shortened (removed leading `Pleroma.Web.ActivityPub.MRF.` part), but on adding custom module you need to use full name.",
+ suggestions: {:list_behaviour_implementations, Pleroma.Web.ActivityPub.MRF}
+ },
+ %{
+ key: :transparency,
+ label: "MRF transparency",
+ type: :boolean,
+ description:
+ "Make the content of your Message Rewrite Facility settings public (via nodeinfo)"
+ },
+ %{
+ key: :transparency_exclusions,
+ label: "MRF transparency exclusions",
+ type: {:list, :string},
+ description:
+ "Exclude specific instance names from MRF transparency. The use of the exclusions feature will be disclosed in nodeinfo as a boolean value.",
+ suggestions: [
+ "exclusion.com"
+ ]
+ }
+ ]
+ }
+ ]
+
+ @default_description %{
+ label: "",
+ description: ""
+ }
- def filter(object) do
- get_policies()
- |> Enum.reduce({:ok, object}, fn
- policy, {:ok, object} ->
- policy.filter(object)
+ @required_description_keys [:key, :related_policy]
- _, error ->
- error
+ @callback filter(Map.t()) :: {:ok | :reject, Map.t()}
+ @callback describe() :: {:ok | :error, Map.t()}
+ @callback config_description() :: %{
+ optional(:children) => [map()],
+ key: atom(),
+ related_policy: String.t(),
+ label: String.t(),
+ description: String.t()
+ }
+ @optional_callbacks config_description: 0
+
+ def filter(policies, %{} = message) do
+ policies
+ |> Enum.reduce({:ok, message}, fn
+ policy, {:ok, message} -> policy.filter(message)
+ _, error -> error
end)
end
- def get_policies() do
- Application.get_env(:pleroma, :instance, [])
- |> Keyword.get(:rewrite_policy, [])
+ def filter(%{} = object), do: get_policies() |> filter(object)
+
+ @impl true
+ 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([:mrf, :policies], [])
|> get_policies()
+ |> Enum.concat([Pleroma.Web.ActivityPub.MRF.HashtagPolicy])
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
+
+ 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()
+
+ def config_descriptions do
+ Pleroma.Web.ActivityPub.MRF
+ |> Pleroma.Docs.Generator.list_behaviour_implementations()
+ |> config_descriptions()
+ end
+
+ def config_descriptions(policies) do
+ Enum.reduce(policies, @mrf_config_descriptions, fn policy, acc ->
+ if function_exported?(policy, :config_description, 0) do
+ description =
+ @default_description
+ |> Map.merge(policy.config_description)
+ |> Map.put(:group, :pleroma)
+ |> Map.put(:tab, :mrf)
+ |> Map.put(:type, :group)
+
+ if Enum.all?(@required_description_keys, &Map.has_key?(description, &1)) do
+ [description | acc]
+ else
+ Logger.warn(
+ "#{policy} config description doesn't have one or all required keys #{
+ inspect(@required_description_keys)
+ }"
+ )
+
+ acc
+ end
+ else
+ Logger.debug(
+ "#{policy} is excluded from config descriptions, because does not implement `config_description/0` method."
+ )
+
+ acc
+ end
+ end)
+ end
end