140 lines
3.9 KiB
Elixir
140 lines
3.9 KiB
Elixir
defmodule Mobilizon.Federation.ActivityStream.Converter.Actor do
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@moduledoc """
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Actor converter.
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This module allows to convert events from ActivityStream format to our own
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internal one, and back.
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"""
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alias Mobilizon.Actors.Actor, as: ActorModel
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alias Mobilizon.Federation.ActivityPub.Utils
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alias Mobilizon.Federation.ActivityStream.{Converter, Convertible}
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alias Mobilizon.Web.MediaProxy
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@behaviour Converter
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defimpl Convertible, for: ActorModel do
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alias Mobilizon.Federation.ActivityStream.Converter.Actor, as: ActorConverter
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defdelegate model_to_as(actor), to: ActorConverter
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end
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@allowed_types ["Application", "Group", "Organization", "Person", "Service"]
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@doc """
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Converts an AP object data to our internal data structure.
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"""
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@impl Converter
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@spec as_to_model_data(map()) :: {:ok, map()}
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def as_to_model_data(%{"type" => type} = data) when type in @allowed_types do
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avatar =
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data["icon"]["url"] &&
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%{
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"name" => data["icon"]["name"] || "avatar",
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"url" => MediaProxy.url(data["icon"]["url"])
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}
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banner =
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data["image"]["url"] &&
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%{
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"name" => data["image"]["name"] || "banner",
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"url" => MediaProxy.url(data["image"]["url"])
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}
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%{
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url: data["id"],
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avatar: avatar,
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banner: banner,
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name: data["name"],
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preferred_username: data["preferredUsername"],
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summary: data["summary"] || "",
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keys: data["publicKey"]["publicKeyPem"],
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inbox_url: data["inbox"],
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outbox_url: data["outbox"],
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following_url: data["following"],
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followers_url: data["followers"],
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members_url: data["members"],
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resources_url: data["resources"],
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todos_url: data["todos"],
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events_url: data["events"],
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posts_url: data["posts"],
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discussions_url: data["discussions"],
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shared_inbox_url: data["endpoints"]["sharedInbox"],
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domain: URI.parse(data["id"]).host,
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manually_approves_followers: data["manuallyApprovesFollowers"],
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type: data["type"]
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}
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end
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def as_to_model_data(_), do: :error
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@doc """
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Convert an actor struct to an ActivityStream representation.
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"""
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@impl Converter
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@spec model_to_as(ActorModel.t()) :: map()
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def model_to_as(%ActorModel{} = actor) do
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actor_data = %{
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"id" => actor.url,
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"type" => actor.type,
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"preferredUsername" => actor.preferred_username,
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"name" => actor.name,
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"summary" => actor.summary || "",
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"following" => actor.following_url,
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"followers" => actor.followers_url,
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"members" => actor.members_url,
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"resources" => actor.resources_url,
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"todos" => actor.todos_url,
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"posts" => actor.posts_url,
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"events" => actor.events_url,
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"discussions" => actor.discussions_url,
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"inbox" => actor.inbox_url,
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"outbox" => actor.outbox_url,
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"url" => actor.url,
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"endpoints" => %{
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"sharedInbox" => actor.shared_inbox_url
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},
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"manuallyApprovesFollowers" => actor.manually_approves_followers,
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"publicKey" => %{
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"id" => "#{actor.url}#main-key",
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"owner" => actor.url,
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"publicKeyPem" =>
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if(is_nil(actor.domain) and not is_nil(actor.keys),
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do: Utils.pem_to_public_key_pem(actor.keys),
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else: actor.keys
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)
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}
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}
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actor_data =
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if actor.type == :Group do
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Map.put(actor_data, "members", actor.members_url)
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else
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actor_data
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end
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actor_data =
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if is_nil(actor.avatar) do
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actor_data
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else
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Map.put(actor_data, "icon", %{
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"type" => "Image",
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"mediaType" => actor.avatar.content_type,
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"url" => actor.avatar.url
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})
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end
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if is_nil(actor.banner) do
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actor_data
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else
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Map.put(actor_data, "image", %{
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"type" => "Image",
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"mediaType" => actor.banner.content_type,
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"url" => actor.banner.url
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})
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end
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end
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end
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