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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator do
use Ecto.Schema
alias Pleroma.Web.ActivityPub.ObjectValidators.UrlObjectValidator
import Ecto.Changeset
@primary_key false
embedded_schema do
field(:type, :string)
field(:mediaType, :string, default: "application/octet-stream")
field(:name, :string)
embeds_many(:url, UrlObjectValidator)
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, [:type, :mediaType, :name])
|> cast_embed(:url, required: true)
end
def fix_media_type(data) do
data = Map.put_new(data, "mediaType", data["mimeType"])
if MIME.valid?(data["mediaType"]) do
data
else
Map.put(data, "mediaType", "application/octet-stream")
end
end
defp handle_href(href, mediaType) do
[
%{
"href" => href,
"type" => "Link",
"mediaType" => mediaType
}
]
end
defp fix_url(data) do
cond do
is_binary(data["url"]) ->
Map.put(data, "url", handle_href(data["url"], data["mediaType"]))
is_binary(data["href"]) and data["url"] == nil ->
Map.put(data, "url", handle_href(data["href"], data["mediaType"]))
true ->
data
end
end
def validate_data(cng) do
cng
|> validate_required([:mediaType, :url, :type])
end
end
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