end
def get_actor(%{"actor" => actor}) when is_list(actor) do
- Enum.at(actor, 0)
+ if is_binary(Enum.at(actor, 0)) do
+ Enum.at(actor, 0)
+ else
+ Enum.find(actor, fn %{"type" => type} -> type == "Person" end)
+ |> Map.get("id")
+ end
+ end
+
+ def get_actor(%{"actor" => actor}) when is_map(actor) do
+ actor["id"]
end
- def get_actor(%{"actor" => actor_list}) do
- Enum.find(actor_list, fn %{"type" => type} -> type == "Person" end)
- |> Map.get("id")
+ @doc """
+ Checks that an imported AP object's actor matches the domain it came from.
+ """
+ def contain_origin(id, %{"actor" => actor} = params) do
+ id_uri = URI.parse(id)
+ actor_uri = URI.parse(get_actor(params))
+
+ if id_uri.host == actor_uri.host do
+ :ok
+ else
+ :error
+ end
end
@doc """
|> fix_emoji
|> fix_tag
|> fix_content_map
+ |> fix_likes
+ |> fix_addressing
+ end
+
+ def fix_addressing_list(map, field) do
+ if is_binary(map[field]) do
+ map
+ |> Map.put(field, [map[field]])
+ else
+ map
+ end
+ end
+
+ def fix_addressing(map) do
+ map
+ |> fix_addressing_list("to")
+ |> fix_addressing_list("cc")
+ |> fix_addressing_list("bto")
+ |> fix_addressing_list("bcc")
end
def fix_actor(%{"attributedTo" => actor} = object) do
|> Map.put("actor", get_actor(%{"actor" => actor}))
end
- def fix_in_reply_to(%{"inReplyTo" => in_reply_to_id} = object)
- when not is_nil(in_reply_to_id) do
+ def fix_likes(%{"likes" => likes} = object)
+ when is_bitstring(likes) do
+ # Check for standardisation
+ # This is what Peertube does
+ # curl -H 'Accept: application/activity+json' $likes | jq .totalItems
+ object
+ |> Map.put("likes", [])
+ |> Map.put("like_count", 0)
+ end
+
+ def fix_likes(object) do
+ object
+ end
+
+ def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object)
+ when not is_nil(in_reply_to) do
+ in_reply_to_id =
+ cond do
+ is_bitstring(in_reply_to) -> in_reply_to
+ is_map(in_reply_to) && is_bitstring(in_reply_to["id"]) -> in_reply_to["id"]
+ is_list(in_reply_to) && is_bitstring(Enum.at(in_reply_to, 0)) -> Enum.at(in_reply_to, 0)
+ # Maybe I should output an error too?
+ true -> ""
+ end
+
case ActivityPub.fetch_object_from_id(in_reply_to_id) do
{:ok, replied_object} ->
with %Activity{} = activity <-
def fix_in_reply_to(object), do: object
def fix_context(object) do
+ context = object["context"] || object["conversation"] || Utils.generate_context_id()
+
object
- |> Map.put("context", object["conversation"])
+ |> Map.put("context", context)
+ |> Map.put("conversation", context)
end
- def fix_attachments(object) do
+ def fix_attachments(%{"attachment" => attachment} = object) when is_list(attachment) do
attachments =
- (object["attachment"] || [])
+ attachment
|> Enum.map(fn data ->
url = [%{"type" => "Link", "mediaType" => data["mediaType"], "href" => data["url"]}]
Map.put(data, "url", url)
|> Map.put("attachment", attachments)
end
- def fix_emoji(object) do
- tags = object["tag"] || []
+ def fix_attachments(%{"attachment" => attachment} = object) when is_map(attachment) do
+ attachment =
+ Map.put(attachment, "url", [
+ %{"type" => "Link", "mediaType" => attachment["mediaType"], "href" => attachment["url"]}
+ ])
+
+ Map.put(object, "attachment", attachment)
+ end
+
+ def fix_attachments(object) do
+ object
+ end
+
+ def fix_emoji(%{"tag" => tags} = object) when is_list(tags) do
emoji = tags |> Enum.filter(fn data -> data["type"] == "Emoji" and data["icon"] end)
emoji =
emoji
|> Enum.reduce(%{}, fn data, mapping ->
- name = data["name"]
-
- name =
- if String.starts_with?(name, ":") do
- name |> String.slice(1..-2)
- else
- name
- end
+ name = String.trim(data["name"], ":")
mapping |> Map.put(name, data["icon"]["url"])
end)
|> Map.put("emoji", emoji)
end
- def fix_tag(object) do
+ def fix_emoji(%{"tag" => %{"type" => "Emoji"} = tag} = object) do
+ name = String.trim(tag["name"], ":")
+ emoji = %{name => tag["icon"]["url"]}
+
+ object
+ |> Map.put("emoji", emoji)
+ end
+
+ def fix_emoji(object) do
+ object
+ end
+
+ def fix_tag(%{"tag" => tag} = object) when is_list(tag) do
tags =
- (object["tag"] || [])
+ tag
|> Enum.filter(fn data -> data["type"] == "Hashtag" and data["name"] end)
|> Enum.map(fn data -> String.slice(data["name"], 1..-1) end)
- combined = (object["tag"] || []) ++ tags
+ combined = tag ++ tags
+
+ object
+ |> Map.put("tag", combined)
+ end
+
+ def fix_tag(%{"tag" => %{"type" => "Hashtag"} = tag} = object) do
+ combined = [tag ++ String.slice(tag["name"], 1..-1)]
object
|> Map.put("tag", combined)
end
+ def fix_tag(object) do
+ object
+ end
+
# content map usually only has one language so this will do for now.
def fix_content_map(%{"contentMap" => content_map} = object) do
content_groups = Map.to_list(content_map)
def fix_content_map(object), do: object
+ # disallow objects with bogus IDs
+ def handle_incoming(%{"id" => nil}), do: :error
+ def handle_incoming(%{"id" => ""}), do: :error
+ # length of https:// = 8, should validate better, but good enough for now.
+ def handle_incoming(%{"id" => id}) when not (is_binary(id) and length(id) > 8), do: :error
+
# TODO: validate those with a Ecto scheme
# - tags
# - emoji
def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data)
- when objtype in ["Article", "Note"] do
+ when objtype in ["Article", "Note", "Video"] do
actor = get_actor(data)
- data = Map.put(data, "actor", actor)
+
+ data =
+ Map.put(data, "actor", actor)
+ |> fix_addressing
with nil <- Activity.get_create_activity_by_object_ap_id(object["id"]),
%User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
end
def handle_incoming(
- %{"type" => "Update", "object" => %{"type" => "Person"} = object, "actor" => actor_id} =
+ %{"type" => "Update", "object" => %{"type" => object_type} = object, "actor" => actor_id} =
data
- ) do
+ )
+ when object_type in ["Person", "Application", "Service", "Organization"] do
with %User{ap_id: ^actor_id} = actor <- User.get_by_ap_id(object["id"]) do
{:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)