147 lines
3.9 KiB
Elixir
147 lines
3.9 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.Builder do
|
|
@moduledoc """
|
|
This module builds the objects. Meant to be used for creating local objects.
|
|
|
|
This module encodes our addressing policies and general shape of our objects.
|
|
"""
|
|
|
|
alias Pleroma.Object
|
|
alias Pleroma.User
|
|
alias Pleroma.Web.ActivityPub.Relay
|
|
alias Pleroma.Web.ActivityPub.Utils
|
|
alias Pleroma.Web.ActivityPub.Visibility
|
|
|
|
require Pleroma.Constants
|
|
|
|
@spec emoji_react(User.t(), Object.t(), String.t()) :: {:ok, map(), keyword()}
|
|
def emoji_react(actor, object, emoji) do
|
|
with {:ok, data, meta} <- object_action(actor, object) do
|
|
data =
|
|
data
|
|
|> Map.put("content", emoji)
|
|
|> Map.put("type", "EmojiReact")
|
|
|
|
{:ok, data, meta}
|
|
end
|
|
end
|
|
|
|
@spec undo(User.t(), Activity.t()) :: {:ok, map(), keyword()}
|
|
def undo(actor, object) do
|
|
{:ok,
|
|
%{
|
|
"id" => Utils.generate_activity_id(),
|
|
"actor" => actor.ap_id,
|
|
"type" => "Undo",
|
|
"object" => object.data["id"],
|
|
"to" => object.data["to"] || [],
|
|
"cc" => object.data["cc"] || []
|
|
}, []}
|
|
end
|
|
|
|
@spec delete(User.t(), String.t()) :: {:ok, map(), keyword()}
|
|
def delete(actor, object_id) do
|
|
object = Object.normalize(object_id, false)
|
|
|
|
user = !object && User.get_cached_by_ap_id(object_id)
|
|
|
|
to =
|
|
case {object, user} do
|
|
{%Object{}, _} ->
|
|
# We are deleting an object, address everyone who was originally mentioned
|
|
(object.data["to"] || []) ++ (object.data["cc"] || [])
|
|
|
|
{_, %User{follower_address: follower_address}} ->
|
|
# We are deleting a user, address the followers of that user
|
|
[follower_address]
|
|
end
|
|
|
|
{:ok,
|
|
%{
|
|
"id" => Utils.generate_activity_id(),
|
|
"actor" => actor.ap_id,
|
|
"object" => object_id,
|
|
"to" => to,
|
|
"type" => "Delete"
|
|
}, []}
|
|
end
|
|
|
|
@spec tombstone(String.t(), String.t()) :: {:ok, map(), keyword()}
|
|
def tombstone(actor, id) do
|
|
{:ok,
|
|
%{
|
|
"id" => id,
|
|
"actor" => actor,
|
|
"type" => "Tombstone"
|
|
}, []}
|
|
end
|
|
|
|
@spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
|
|
def like(actor, object) do
|
|
with {:ok, data, meta} <- object_action(actor, object) do
|
|
data =
|
|
data
|
|
|> Map.put("type", "Like")
|
|
|
|
{:ok, data, meta}
|
|
end
|
|
end
|
|
|
|
@spec announce(User.t(), Object.t(), keyword()) :: {:ok, map(), keyword()}
|
|
def announce(actor, object, options \\ []) do
|
|
public? = Keyword.get(options, :public, false)
|
|
|
|
to =
|
|
cond do
|
|
actor.ap_id == Relay.relay_ap_id() ->
|
|
[actor.follower_address]
|
|
|
|
public? ->
|
|
[actor.follower_address, object.data["actor"], Pleroma.Constants.as_public()]
|
|
|
|
true ->
|
|
[actor.follower_address, object.data["actor"]]
|
|
end
|
|
|
|
{:ok,
|
|
%{
|
|
"id" => Utils.generate_activity_id(),
|
|
"actor" => actor.ap_id,
|
|
"object" => object.data["id"],
|
|
"to" => to,
|
|
"context" => object.data["context"],
|
|
"type" => "Announce",
|
|
"published" => Utils.make_date()
|
|
}, []}
|
|
end
|
|
|
|
@spec object_action(User.t(), Object.t()) :: {:ok, map(), keyword()}
|
|
defp object_action(actor, object) do
|
|
object_actor = User.get_cached_by_ap_id(object.data["actor"])
|
|
|
|
# Address the actor of the object, and our actor's follower collection if the post is public.
|
|
to =
|
|
if Visibility.is_public?(object) do
|
|
[actor.follower_address, object.data["actor"]]
|
|
else
|
|
[object.data["actor"]]
|
|
end
|
|
|
|
# CC everyone who's been addressed in the object, except ourself and the object actor's
|
|
# follower collection
|
|
cc =
|
|
(object.data["to"] ++ (object.data["cc"] || []))
|
|
|> List.delete(actor.ap_id)
|
|
|> List.delete(object_actor.follower_address)
|
|
|
|
{:ok,
|
|
%{
|
|
"id" => Utils.generate_activity_id(),
|
|
"actor" => actor.ap_id,
|
|
"object" => object.data["id"],
|
|
"to" => to,
|
|
"cc" => cc,
|
|
"context" => object.data["context"]
|
|
}, []}
|
|
end
|
|
end
|