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