attachment_validator.ex (2469B)
- # Pleroma: A lightweight social networking server
- # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
- # SPDX-License-Identifier: AGPL-3.0-only
- defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator do
- use Ecto.Schema
- alias Pleroma.EctoType.ActivityPub.ObjectValidators
- import Ecto.Changeset
- @primary_key false
- embedded_schema do
- field(:id, :string)
- field(:type, :string)
- field(:mediaType, ObjectValidators.MIME, default: "application/octet-stream")
- field(:name, :string)
- field(:blurhash, :string)
- embeds_many :url, UrlObjectValidator, primary_key: false do
- field(:type, :string)
- field(:href, ObjectValidators.Uri)
- field(:mediaType, ObjectValidators.MIME, default: "application/octet-stream")
- field(:width, :integer)
- field(:height, :integer)
- end
- end
- def cast_and_validate(data) do
- data
- |> cast_data()
- |> validate_data()
- end
- def cast_data(data) do
- %__MODULE__{}
- |> changeset(data)
- end
- def changeset(struct, data) do
- data =
- data
- |> fix_media_type()
- |> fix_url()
- struct
- |> cast(data, [:id, :type, :mediaType, :name, :blurhash])
- |> cast_embed(:url, with: &url_changeset/2, required: true)
- |> validate_inclusion(:type, ~w[Link Document Audio Image Video])
- |> validate_required([:type, :mediaType])
- end
- def url_changeset(struct, data) do
- data = fix_media_type(data)
- struct
- |> cast(data, [:type, :href, :mediaType, :width, :height])
- |> validate_inclusion(:type, ["Link"])
- |> validate_required([:type, :href, :mediaType])
- end
- def fix_media_type(data) do
- Map.put_new(data, "mediaType", data["mimeType"] || "application/octet-stream")
- end
- defp handle_href(href, mediaType, data) do
- [
- %{
- "href" => href,
- "type" => "Link",
- "mediaType" => mediaType,
- "width" => data["width"],
- "height" => data["height"]
- }
- ]
- end
- defp fix_url(data) do
- cond do
- is_binary(data["url"]) ->
- Map.put(data, "url", handle_href(data["url"], data["mediaType"], data))
- is_binary(data["href"]) and data["url"] == nil ->
- Map.put(data, "url", handle_href(data["href"], data["mediaType"], data))
- true ->
- data
- end
- end
- defp validate_data(cng) do
- cng
- |> validate_inclusion(:type, ~w[Document Audio Image Video])
- |> validate_required([:mediaType, :type])
- end
- end