+# 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.EnsureRePrepended do
alias Pleroma.Object
+ @moduledoc "Ensure a re: is prepended on replies to a post with a Subject"
@behaviour Pleroma.Web.ActivityPub.MRF
- @have_re Regex.compile!("^re:[[:space:]]*", [:caseless])
+ @reply_prefix Regex.compile!("^re:[[:space:]]*", [:caseless])
+
def filter_by_summary(
- %{"summary" => parent_summary} = parent,
+ %{data: %{"summary" => parent_summary}} = _in_reply_to,
%{"summary" => child_summary} = child
)
when not is_nil(child_summary) and byte_size(child_summary) > 0 and
not is_nil(parent_summary) and byte_size(parent_summary) > 0 do
- if (child_summary == parent_summary and not Regex.match?(@have_re, child_summary)) or
- (Regex.match?(@have_re, parent_summary) &&
- Regex.replace(@have_re, parent_summary, "") == child_summary) do
+ if (child_summary == parent_summary and not Regex.match?(@reply_prefix, child_summary)) or
+ (Regex.match?(@reply_prefix, parent_summary) &&
+ Regex.replace(@reply_prefix, parent_summary, "") == child_summary) do
Map.put(child, "summary", "re: " <> child_summary)
else
child
end
end
- def filter_by_summary(parent, child), do: child
-
- def filter(%{"type" => activity_type} = object) when activity_type == "Create" do
- child = object["object"]
- in_reply_to = Object.normalize(child["inReplyTo"])
+ def filter_by_summary(_in_reply_to, child), do: child
+ def filter(%{"type" => "Create", "object" => child_object} = object) do
child =
- if(in_reply_to,
- do: filter_by_summary(in_reply_to.data, child),
- else: child
- )
+ child_object["inReplyTo"]
+ |> Object.normalize(child_object["inReplyTo"])
+ |> filter_by_summary(child_object)
object = Map.put(object, "object", child)
end
def filter(object), do: {:ok, object}
+
+ def describe, do: {:ok, %{}}
end