84 lines
2.4 KiB
Elixir
84 lines
2.4 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.Builder do
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@moduledoc """
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This module builds the objects. Meant to be used for creating local objects.
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This module encodes our addressing policies and general shape of our objects.
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"""
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alias Pleroma.Object
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.Utils
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alias Pleroma.Web.ActivityPub.Visibility
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@spec undo(User.t(), Activity.t()) :: {:ok, map(), keyword()}
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def undo(actor, object) do
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{:ok,
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%{
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"id" => Utils.generate_activity_id(),
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"actor" => actor.ap_id,
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"type" => "Undo",
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"object" => object.data["id"],
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"to" => object.data["to"] || [],
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"cc" => object.data["cc"] || []
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}, []}
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end
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@spec delete(User.t(), String.t()) :: {:ok, map(), keyword()}
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def delete(actor, object_id) do
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object = Object.normalize(object_id, false)
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user = !object && User.get_cached_by_ap_id(object_id)
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to =
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case {object, user} do
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{%Object{}, _} ->
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# We are deleting an object, address everyone who was originally mentioned
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(object.data["to"] || []) ++ (object.data["cc"] || [])
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{_, %User{follower_address: follower_address}} ->
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# We are deleting a user, address the followers of that user
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[follower_address]
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end
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{:ok,
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%{
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"id" => Utils.generate_activity_id(),
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"actor" => actor.ap_id,
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"object" => object_id,
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"to" => to,
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"type" => "Delete"
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}, []}
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end
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@spec like(User.t(), Object.t()) :: {:ok, map(), keyword()}
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def like(actor, object) do
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object_actor = User.get_cached_by_ap_id(object.data["actor"])
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# Address the actor of the object, and our actor's follower collection if the post is public.
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to =
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if Visibility.is_public?(object) do
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[actor.follower_address, object.data["actor"]]
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else
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[object.data["actor"]]
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end
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# CC everyone who's been addressed in the object, except ourself and the object actor's
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# follower collection
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cc =
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(object.data["to"] ++ (object.data["cc"] || []))
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|> List.delete(actor.ap_id)
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|> List.delete(object_actor.follower_address)
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{:ok,
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%{
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"id" => Utils.generate_activity_id(),
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"actor" => actor.ap_id,
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"type" => "Like",
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"object" => object.data["id"],
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"to" => to,
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"cc" => cc,
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"context" => object.data["context"]
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}, []}
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end
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end
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