alias Pleroma.Activity
alias Pleroma.Repo
alias Pleroma.Web.ActivityPub.ActivityPub
+ alias Pleroma.Web.ActivityPub.Utils
import Ecto.Query
require Logger
+ def get_actor(%{"actor" => actor}) when is_binary(actor) do
+ actor
+ end
+
+ def get_actor(%{"actor" => actor}) when is_list(actor) do
+ Enum.at(actor, 0)
+ end
+
+ def get_actor(%{"actor" => actor_list}) do
+ Enum.find(actor_list, fn %{"type" => type} -> type == "Person" end)
+ |> Map.get("id")
+ end
+
@doc """
Modifies an incoming AP object (mastodon format) to our internal format.
"""
def fix_object(object) do
object
- |> Map.put("actor", object["attributedTo"])
+ |> fix_actor
|> fix_attachments
|> fix_context
|> fix_in_reply_to
|> fix_emoji
|> fix_tag
+ |> fix_content_map
+ end
+
+ def fix_actor(%{"attributedTo" => actor} = object) do
+ object
+ |> 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
case ActivityPub.fetch_object_from_id(in_reply_to_id) do
{:ok, replied_object} ->
- activity = Activity.get_create_activity_by_object_ap_id(replied_object.data["id"])
-
- object
- |> Map.put("inReplyTo", replied_object.data["id"])
- |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
- |> Map.put("inReplyToStatusId", activity.id)
- |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
- |> Map.put("context", replied_object.data["context"] || object["conversation"])
+ with %Activity{} = activity <-
+ Activity.get_create_activity_by_object_ap_id(replied_object.data["id"]) do
+ object
+ |> Map.put("inReplyTo", replied_object.data["id"])
+ |> Map.put("inReplyToAtomUri", object["inReplyToAtomUri"] || in_reply_to_id)
+ |> Map.put("inReplyToStatusId", activity.id)
+ |> Map.put("conversation", replied_object.data["context"] || object["conversation"])
+ |> Map.put("context", replied_object.data["context"] || object["conversation"])
+ else
+ e ->
+ Logger.error("Couldn't fetch #{object["inReplyTo"]} #{inspect(e)}")
+ object
+ end
e ->
Logger.error("Couldn't fetch #{object["inReplyTo"]} #{inspect(e)}")
|> Map.put("tag", combined)
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)
+ {_, content} = Enum.at(content_groups, 0)
+
+ object
+ |> Map.put("content", content)
+ end
+
+ def fix_content_map(object), do: object
+
# TODO: validate those with a Ecto scheme
# - tags
# - emoji
- def handle_incoming(%{"type" => "Create", "object" => %{"type" => "Note"} = object} = data) do
+ def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data)
+ when objtype in ["Article", "Note"] do
+ actor = get_actor(data)
+ data = Map.put(data, "actor", actor)
+
with nil <- Activity.get_create_activity_by_object_ap_id(object["id"]),
%User{} = user <- User.get_or_fetch_by_ap_id(data["actor"]) do
object = fix_object(data["object"])
with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
%User{} = follower <- User.get_or_fetch_by_ap_id(follower),
{:ok, activity} <- ActivityPub.follow(follower, followed, id, false) do
- ActivityPub.accept(%{to: [follower.ap_id], actor: followed.ap_id, object: data, local: true})
+ if not User.locked?(followed) do
+ ActivityPub.accept(%{
+ to: [follower.ap_id],
+ actor: followed.ap_id,
+ object: data,
+ local: true
+ })
+
+ User.follow(follower, followed)
+ end
+
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ defp mastodon_follow_hack(%{"id" => id, "actor" => follower_id}, followed) do
+ with true <- id =~ "follows",
+ %User{local: true} = follower <- User.get_cached_by_ap_id(follower_id),
+ %Activity{} = activity <- Utils.fetch_latest_follow(follower, followed) do
+ {:ok, activity}
+ else
+ _ -> {:error, nil}
+ end
+ end
+
+ defp mastodon_follow_hack(_), do: {:error, nil}
+
+ defp get_follow_activity(follow_object, followed) do
+ with object_id when not is_nil(object_id) <- Utils.get_ap_id(follow_object),
+ {_, %Activity{} = activity} <- {:activity, Activity.get_by_ap_id(object_id)} do
+ {:ok, activity}
+ else
+ # Can't find the activity. This might a Mastodon 2.3 "Accept"
+ {:activity, nil} ->
+ mastodon_follow_hack(follow_object, followed)
+
+ _ ->
+ {:error, nil}
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Accept", "object" => follow_object, "actor" => actor, "id" => id} = data
+ ) do
+ with %User{} = followed <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
+ %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
+ {:ok, activity} <-
+ ActivityPub.accept(%{
+ to: follow_activity.data["to"],
+ type: "Accept",
+ actor: followed.ap_id,
+ object: follow_activity.data["id"],
+ local: false
+ }) do
+ if not User.following?(follower, followed) do
+ {:ok, follower} = User.follow(follower, followed)
+ end
+
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Reject", "object" => follow_object, "actor" => actor, "id" => id} = data
+ ) do
+ with %User{} = followed <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, follow_activity} <- get_follow_activity(follow_object, followed),
+ %User{local: true} = follower <- User.get_cached_by_ap_id(follow_activity.data["actor"]),
+ {:ok, activity} <-
+ ActivityPub.accept(%{
+ to: follow_activity.data["to"],
+ type: "Accept",
+ actor: followed.ap_id,
+ object: follow_activity.data["id"],
+ local: false
+ }) do
+ User.unfollow(follower, followed)
- User.follow(follower, followed)
{:ok, activity}
else
_e -> :error
{:ok, new_user_data} = ActivityPub.user_data_from_user_object(object)
banner = new_user_data[:info]["banner"]
+ locked = new_user_data[:info]["locked"] || false
update_data =
new_user_data
|> Map.take([:name, :bio, :avatar])
- |> Map.put(:info, Map.merge(actor.info, %{"banner" => banner}))
+ |> Map.put(:info, Map.merge(actor.info, %{"banner" => banner, "locked" => locked}))
actor
|> User.upgrade_changeset(update_data)
def handle_incoming(
%{"type" => "Delete", "object" => object_id, "actor" => actor, "id" => _id} = _data
) do
- object_id =
- case object_id do
- %{"id" => id} -> id
- id -> id
- end
+ object_id = Utils.get_ap_id(object_id)
with %User{} = _actor <- User.get_or_fetch_by_ap_id(actor),
{:ok, object} <-
end
end
- # TODO
- # Accept
- # Undo
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Announce", "object" => object_id},
+ "actor" => actor,
+ "id" => id
+ } = _data
+ ) do
+ with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, object} <-
+ get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, activity, _} <- ActivityPub.unannounce(actor, object, id, false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Follow", "object" => followed},
+ "actor" => follower,
+ "id" => id
+ } = _data
+ ) do
+ with %User{local: true} = followed <- User.get_cached_by_ap_id(followed),
+ %User{} = follower <- User.get_or_fetch_by_ap_id(follower),
+ {:ok, activity} <- ActivityPub.unfollow(follower, followed, id, false) do
+ User.unfollow(follower, followed)
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
+ @ap_config Application.get_env(:pleroma, :activitypub)
+ @accept_blocks Keyword.get(@ap_config, :accept_blocks)
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Block", "object" => blocked},
+ "actor" => blocker,
+ "id" => id
+ } = _data
+ ) do
+ with true <- @accept_blocks,
+ %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
+ %User{} = blocker <- User.get_or_fetch_by_ap_id(blocker),
+ {:ok, activity} <- ActivityPub.unblock(blocker, blocked, id, false) do
+ User.unblock(blocker, blocked)
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = data
+ ) do
+ with true <- @accept_blocks,
+ %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
+ %User{} = blocker = User.get_or_fetch_by_ap_id(blocker),
+ {:ok, activity} <- ActivityPub.block(blocker, blocked, id, false) do
+ User.unfollow(blocker, blocked)
+ User.block(blocker, blocked)
+ {:ok, activity}
+ else
+ e -> :error
+ end
+ end
+
+ def handle_incoming(
+ %{
+ "type" => "Undo",
+ "object" => %{"type" => "Like", "object" => object_id},
+ "actor" => actor,
+ "id" => id
+ } = _data
+ ) do
+ with %User{} = actor <- User.get_or_fetch_by_ap_id(actor),
+ {:ok, object} <-
+ get_obj_helper(object_id) || ActivityPub.fetch_object_from_id(object_id),
+ {:ok, activity, _, _} <- ActivityPub.unlike(actor, object, id, false) do
+ {:ok, activity}
+ else
+ _e -> :error
+ end
+ end
def handle_incoming(_), do: :error
def get_obj_helper(id) do
- if object = Object.get_by_ap_id(id), do: {:ok, object}, else: nil
+ if object = Object.normalize(id), do: {:ok, object}, else: nil
end
def set_reply_to_uri(%{"inReplyTo" => inReplyTo} = object) do
{:ok, data}
end
+ # Mastodon Accept/Reject requires a non-normalized object containing the actor URIs,
+ # because of course it does.
+ def prepare_outgoing(%{"type" => "Accept"} = data) do
+ with follow_activity <- Activity.normalize(data["object"]) do
+ object = %{
+ "actor" => follow_activity.actor,
+ "object" => follow_activity.data["object"],
+ "id" => follow_activity.data["id"],
+ "type" => "Follow"
+ }
+
+ data =
+ data
+ |> Map.put("object", object)
+ |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
+
+ {:ok, data}
+ end
+ end
+
+ def prepare_outgoing(%{"type" => "Reject"} = data) do
+ with follow_activity <- Activity.normalize(data["object"]) do
+ object = %{
+ "actor" => follow_activity.actor,
+ "object" => follow_activity.data["object"],
+ "id" => follow_activity.data["id"],
+ "type" => "Follow"
+ }
+
+ data =
+ data
+ |> Map.put("object", object)
+ |> Map.put("@context", "https://www.w3.org/ns/activitystreams")
+
+ {:ok, data}
+ end
+ end
+
def prepare_outgoing(%{"type" => _type} = data) do
data =
data
Repo.delete_all(q)
end
end
+
+ def maybe_fix_user_url(data) do
+ if is_map(data["url"]) do
+ Map.put(data, "url", data["url"]["href"])
+ else
+ data
+ end
+ end
+
+ def maybe_fix_user_object(data) do
+ data
+ |> maybe_fix_user_url
+ end
end
projects / akkoma / blobdiff