AkkomaGang/akkoma
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Purge unused media description update on post

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In MastoAPI media descriptions are updated via the
media update API not upon post creation or post update.

This functionality was originally added about 6 years ago in
ba93396649 which was part of
https://git.pleroma.social/pleroma/pleroma/-/merge_requests/626 and
https://git.pleroma.social/pleroma/pleroma-fe/-/merge_requests/450.
They introduced image descriptions to the front- and backend,
but predate adoption of Mastodon API.

For a while adding an `descriptions` array on post creation might have
continued to work as an undocumented Pleroma extension to Masto API, but
at latest when OpenAPI specs were added for those endpoints four years
ago in 7803a85d2c, these codepaths ceased
to be used. The API specs don’t list a `descriptions` parameter and
any unknown parameters are stripped out.

The attachments_from_ids function is only called from
ScheduledActivity and ActivityDraft.create with the latter
only being called by CommonAPI.{post,update} whihc in turn
are only called from ScheduledActivity again, MastoAPI controller
and without any attachment or description parameter WelcomeMessage.
Therefore no codepath can contain a descriptions parameter.
This commit is contained in:
Oneric 2024-04-23 23:59:42 +02:00
parent 873aa9da1c
commit 94e9c8f48a
2 changed files with 4 additions and 48 deletions
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25
lib/pleroma/web/common_api/utils.ex
View file

@ -22,19 +22,13 @@ defmodule Pleroma.Web.CommonAPI.Utils do
require Logger
require Pleroma.Constants
def attachments_from_ids(%{media_ids: ids, descriptions: desc}) do
attachments_from_ids_descs(ids, desc)
end
def attachments_from_ids(%{media_ids: ids}) do
attachments_from_ids_no_descs(ids)
attachments_from_ids(ids)
end
def attachments_from_ids(_), do: []
def attachments_from_ids([]), do: []
def attachments_from_ids_no_descs([]), do: []
def attachments_from_ids_no_descs(ids) do
def attachments_from_ids(ids) when is_list(ids) do
Enum.map(ids, fn media_id ->
case get_attachment(media_id) do
%Object{data: data} -> data
@ -44,18 +38,7 @@ def attachments_from_ids_no_descs(ids) do
|> Enum.reject(&is_nil/1)
end
def attachments_from_ids_descs([], _), do: []
def attachments_from_ids_descs(ids, descs_str) do
{_, descs} = Jason.decode(descs_str)
Enum.map(ids, fn media_id ->
with %Object{data: data} <- get_attachment(media_id) do
Map.put(data, "name", descs[media_id])
end
end)
|> Enum.reject(&is_nil/1)
end
def attachments_from_ids(_), do: []
defp get_attachment(media_id) do
Repo.get(Object, media_id)

27
test/pleroma/web/common_api/utils_test.exs
View file

@ -590,34 +590,7 @@ test "returns recipients when object not found" do
end
end
describe "attachments_from_ids_descs/2" do
test "returns [] when attachment ids is empty" do
assert Utils.attachments_from_ids_descs([], "{}") == []
end
test "returns list attachments with desc" do
object = insert(:note)
desc = Jason.encode!(%{object.id => "test-desc"})
assert Utils.attachments_from_ids_descs(["#{object.id}", "34"], desc) == [
Map.merge(object.data, %{"name" => "test-desc"})
]
end
end
describe "attachments_from_ids/1" do
test "returns attachments with descs" do
object = insert(:note)
desc = Jason.encode!(%{object.id => "test-desc"})
assert Utils.attachments_from_ids(%{
media_ids: ["#{object.id}"],
descriptions: desc
}) == [
Map.merge(object.data, %{"name" => "test-desc"})
]
end
test "returns attachments without descs" do
object = insert(:note)
assert Utils.attachments_from_ids(%{media_ids: ["#{object.id}"]}) == [object.data]