121 lines
2.9 KiB
Elixir
121 lines
2.9 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.AudioVideoValidator do
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use Ecto.Schema
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alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
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alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
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alias Pleroma.Web.ActivityPub.Transmogrifier
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import Ecto.Changeset
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@primary_key false
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@derive Jason.Encoder
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embedded_schema do
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quote do
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unquote do
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import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
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message_fields()
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object_fields()
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status_object_fields()
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end
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end
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end
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def cast_and_apply(data) do
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data
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|> cast_data
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|> apply_action(:insert)
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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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defp find_attachment(url) do
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mpeg_url =
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Enum.find(url, fn
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%{"mediaType" => mime_type, "tag" => tags} when is_list(tags) ->
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mime_type == "application/x-mpegURL"
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_ ->
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false
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end)
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url
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|> Enum.concat(mpeg_url["tag"] || [])
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|> Enum.find(fn
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%{"mediaType" => mime_type} -> String.starts_with?(mime_type, ["video/", "audio/"])
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%{"mimeType" => mime_type} -> String.starts_with?(mime_type, ["video/", "audio/"])
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_ -> false
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end)
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end
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defp fix_url(%{"url" => url} = data) when is_list(url) do
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attachment = find_attachment(url)
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link_element =
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Enum.find(url, fn
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%{"mediaType" => "text/html"} -> true
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%{"mimeType" => "text/html"} -> true
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_ -> false
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end)
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data
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|> Map.put("attachment", [attachment])
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|> Map.put("url", link_element["href"])
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end
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defp fix_url(data), do: data
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defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = data)
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when is_binary(content) do
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content =
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content
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|> Pleroma.Formatter.markdown_to_html()
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|> Pleroma.HTML.filter_tags()
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Map.put(data, "content", content)
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end
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defp fix_content(data), do: data
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defp fix(data) do
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data
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|> CommonFixes.fix_actor()
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|> CommonFixes.fix_object_defaults()
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|> Transmogrifier.fix_emoji()
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|> fix_url()
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|> fix_content()
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end
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def changeset(struct, data) do
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data = fix(data)
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struct
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|> cast(data, __schema__(:fields) -- [:attachment, :tag])
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|> cast_embed(:attachment, required: true)
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|> cast_embed(:tag)
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end
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defp validate_data(data_cng) do
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data_cng
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|> validate_inclusion(:type, ["Audio", "Video"])
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|> validate_required([:id, :actor, :attributedTo, :type, :context])
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|> CommonValidations.validate_any_presence([:cc, :to])
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|> CommonValidations.validate_fields_match([:actor, :attributedTo])
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|> CommonValidations.validate_actor_presence()
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|> CommonValidations.validate_host_match()
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end
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end
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