From 279fd47b486ccfda4537d7a64d553ac261a6fdd8 Mon Sep 17 00:00:00 2001 From: Zero Date: Thu, 25 May 2023 12:36:05 -0400 Subject: [PATCH] ForceMentionsInContent: fix double mentions for Mastodon/Misskey posts The code checked for duplicates using "ap_id", but in Mastodon and Misskey the look like that: Mastodon: https://mastodon.example.com/users/roger Misskey: https:///misskey.example.com/users/104ab42f11 The fix is to also check for "uri", which is what will be in the "explicitly_mentioned_uris" list: Mastodon: https://mastodon.example.com/@roger Misskey: https://misskey.example.com/@roger --- changelog.d/3888.fix | 1 + .../mrf/force_mentions_in_content.ex | 6 +-- .../mrf/force_mentions_in_content_test.exs | 51 +++++++++++++++++++ 3 files changed, 55 insertions(+), 3 deletions(-) create mode 100644 changelog.d/3888.fix diff --git a/changelog.d/3888.fix b/changelog.d/3888.fix new file mode 100644 index 000000000..886aa7b39 --- /dev/null +++ b/changelog.d/3888.fix @@ -0,0 +1 @@ +ForceMentionsInContent: fix double mentions for Mastodon/Misskey posts \ No newline at end of file diff --git a/lib/pleroma/web/activity_pub/mrf/force_mentions_in_content.ex b/lib/pleroma/web/activity_pub/mrf/force_mentions_in_content.ex index 70224561c..b9b175cc3 100644 --- a/lib/pleroma/web/activity_pub/mrf/force_mentions_in_content.ex +++ b/lib/pleroma/web/activity_pub/mrf/force_mentions_in_content.ex @@ -1,5 +1,5 @@ # Pleroma: A lightweight social networking server -# Copyright © 2017-2022 Pleroma Authors +# Copyright © 2017-2023 Pleroma Authors # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Web.ActivityPub.MRF.ForceMentionsInContent do @@ -98,8 +98,8 @@ def filter( explicitly_mentioned_uris = extract_mention_uris_from_content(content) added_mentions = - Enum.reduce(mention_users, "", fn %User{ap_id: uri} = user, acc -> - unless uri in explicitly_mentioned_uris do + Enum.reduce(mention_users, "", fn %User{ap_id: api_id, uri: uri} = user, acc -> + unless Enum.any?([api_id, uri], fn u -> u in explicitly_mentioned_uris end) do acc <> Formatter.mention_from_user(user, %{mentions_format: :compact}) <> " " else acc diff --git a/test/pleroma/web/activity_pub/mrf/force_mentions_in_content_test.exs b/test/pleroma/web/activity_pub/mrf/force_mentions_in_content_test.exs index b349a4bb7..5ebd972a6 100644 --- a/test/pleroma/web/activity_pub/mrf/force_mentions_in_content_test.exs +++ b/test/pleroma/web/activity_pub/mrf/force_mentions_in_content_test.exs @@ -256,4 +256,55 @@ test "works with Updates" do } }} = MRF.filter_one(ForceMentionsInContent, activity) end + + test "don't add duplicate mentions for mastodon or misskey posts" do + [zero, rogerick, greg] = [ + insert(:user, + ap_id: "https://pleroma.example.com/users/zero", + uri: "https://pleroma.example.com/users/zero", + nickname: "zero@pleroma.example.com", + local: false + ), + insert(:user, + ap_id: "https://misskey.example.com/users/104ab42f11", + uri: "https://misskey.example.com/@rogerick", + nickname: "rogerick@misskey.example.com", + local: false + ), + insert(:user, + ap_id: "https://mastodon.example.com/users/greg", + uri: "https://mastodon.example.com/@greg", + nickname: "greg@mastodon.example.com", + local: false + ) + ] + + {:ok, post} = CommonAPI.post(rogerick, %{status: "eugh"}) + + inline_mentions = [ + "@rogerick", + "@greg" + ] + + activity = %{ + "type" => "Create", + "actor" => zero.ap_id, + "object" => %{ + "type" => "Note", + "actor" => zero.ap_id, + "content" => "#{Enum.at(inline_mentions, 0)} #{Enum.at(inline_mentions, 1)} erm", + "to" => [ + rogerick.ap_id, + greg.ap_id, + Constants.as_public() + ], + "inReplyTo" => Object.normalize(post).data["id"] + } + } + + {:ok, %{"object" => %{"content" => filtered}}} = ForceMentionsInContent.filter(activity) + + assert filtered == + "#{Enum.at(inline_mentions, 0)} #{Enum.at(inline_mentions, 1)} erm" + end end