require Logger
+ def get_actor(%{"actor" => actor}) when is_binary(actor) do
+ actor
+ end
+
+ def get_actor(%{"actor" => actor}) when is_list(actor) do
+ 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
+
+ @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 """
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
+ |> 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
+ object
+ |> Map.put("actor", get_actor(%{"actor" => actor}))
+ end
+
+ 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_id} = object)
- when not is_nil(in_reply_to_id) do
+ def fix_in_reply_to(%{"inReplyTo" => in_reply_to} = object)
+ when not is_nil(in_reply_to) do
+ in_reply_to_id =
+ if is_bitstring(in_reply_to) do
+ in_reply_to
+ else
+ if is_map(in_reply_to) && in_reply_to["id"] do
+ in_reply_to["id"]
+ end
+ end
+
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)}")
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_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(object) do
tags =
(object["tag"] || [])
|> 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
+
+ # 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" => "Note"} = object} = data) do
+ def handle_incoming(%{"type" => "Create", "object" => %{"type" => objtype} = object} = data)
+ when objtype in ["Article", "Note", "Video"] do
+ actor = get_actor(data)
+
+ 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
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
- User.follow(follower, followed)
{:ok, activity}
else
_e -> :error
# Can't find the activity. This might a Mastodon 2.3 "Accept"
{:activity, nil} ->
mastodon_follow_hack(follow_object, followed)
+
_ ->
{:error, nil}
end
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
+ {: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
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
+ {: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)
{:ok, activity}
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)
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)
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, _} <- ActivityPub.unannounce(actor, object, id, false) do
{: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",
"id" => id
} = _data
) do
- with %User{local: true} = blocked <- User.get_cached_by_ap_id(blocked),
+ 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)
def handle_incoming(
%{"type" => "Block", "object" => blocked, "actor" => blocker, "id" => id} = data
) do
- with %User{local: true} = blocked = User.get_cached_by_ap_id(blocked),
+ 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)
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
projects / akkoma / blobdiff