activitypub: transmogrifier: accept remote Flag activities

This commit is contained in:
William Pitcock 2019-03-14 19:06:02 +00:00
parent f86f7dbb8f
commit 0f3ecb2bfb
1 changed files with 34 additions and 0 deletions

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@ -355,6 +355,40 @@ defp get_follow_activity(follow_object, followed) do
end
end
# Flag objects are placed ahead of the ID check because Mastodon 2.8 and earlier send them
# with nil ID.
def handle_incoming(%{"type" => "Flag", "object" => objects, "actor" => actor} = data) do
with context <- data["context"] || Utils.generate_context_id(),
content <- data["content"] || "",
%User{} = actor <- User.get_cached_by_ap_id(actor),
# Reduce the object list to find the reported user.
%User{} = account <-
Enum.reduce_while(objects, nil, fn ap_id, _ ->
with %User{} = user <- User.get_cached_by_ap_id(ap_id) do
{:halt, user}
else
_ -> {:cont, nil}
end
end),
# Remove the reported user from the object list.
statuses <- Enum.filter(objects, fn ap_id -> ap_id != account.ap_id end) do
params = %{
actor: actor,
context: context,
account: account,
statuses: statuses,
content: content,
additional: %{
"cc" => [account.ap_id]
}
}
ActivityPub.flag(params)
end
end
# disallow objects with bogus IDs
def handle_incoming(%{"id" => nil}), do: :error
def handle_incoming(%{"id" => ""}), do: :error