diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub/object_validators/audio_video_validator.ex')
-rw-r--r-- | lib/pleroma/web/activity_pub/object_validators/audio_video_validator.ex | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/lib/pleroma/web/activity_pub/object_validators/audio_video_validator.ex b/lib/pleroma/web/activity_pub/object_validators/audio_video_validator.ex new file mode 100644 index 000000000..16973e5db --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/audio_video_validator.ex @@ -0,0 +1,134 @@ +# 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.AudioVideoValidator do + use Ecto.Schema + + alias Pleroma.EarmarkRenderer + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Web.ActivityPub.ObjectValidators.AttachmentValidator + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes + alias Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + alias Pleroma.Web.ActivityPub.Transmogrifier + + import Ecto.Changeset + + @primary_key false + @derive Jason.Encoder + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + field(:bto, ObjectValidators.Recipients, default: []) + field(:bcc, ObjectValidators.Recipients, default: []) + # TODO: Write type + field(:tag, {:array, :map}, default: []) + field(:type, :string) + + field(:name, :string) + field(:summary, :string) + field(:content, :string) + + field(:context, :string) + # short identifier for PleromaFE to group statuses by context + field(:context_id, :integer) + + # TODO: Remove actor on objects + field(:actor, ObjectValidators.ObjectID) + + field(:attributedTo, ObjectValidators.ObjectID) + field(:published, ObjectValidators.DateTime) + field(:emoji, ObjectValidators.Emoji, default: %{}) + field(:sensitive, :boolean, default: false) + embeds_many(:attachment, AttachmentValidator) + field(:replies_count, :integer, default: 0) + field(:like_count, :integer, default: 0) + field(:announcement_count, :integer, default: 0) + field(:inReplyTo, ObjectValidators.ObjectID) + field(:url, ObjectValidators.Uri) + + field(:likes, {:array, ObjectValidators.ObjectID}, default: []) + field(:announcements, {:array, ObjectValidators.ObjectID}, default: []) + end + + def cast_and_apply(data) do + data + |> cast_data + |> apply_action(:insert) + end + + def cast_and_validate(data) do + data + |> cast_data() + |> validate_data() + end + + def cast_data(data) do + %__MODULE__{} + |> changeset(data) + end + + defp fix_url(%{"url" => url} = data) when is_list(url) do + attachment = + Enum.find(url, fn x -> + mime_type = x["mimeType"] || x["mediaType"] || "" + + is_map(x) and String.starts_with?(mime_type, ["video/", "audio/"]) + end) + + link_element = + Enum.find(url, fn x -> + mime_type = x["mimeType"] || x["mediaType"] || "" + + is_map(x) and mime_type == "text/html" + end) + + data + |> Map.put("attachment", [attachment]) + |> Map.put("url", link_element["href"]) + end + + defp fix_url(data), do: data + + defp fix_content(%{"mediaType" => "text/markdown", "content" => content} = data) + when is_binary(content) do + content = + content + |> Earmark.as_html!(%Earmark.Options{renderer: EarmarkRenderer}) + |> Pleroma.HTML.filter_tags() + + Map.put(data, "content", content) + end + + defp fix_content(data), do: data + + defp fix(data) do + data + |> CommonFixes.fix_defaults() + |> CommonFixes.fix_attribution() + |> CommonFixes.fix_actor() + |> Transmogrifier.fix_emoji() + |> fix_url() + |> fix_content() + end + + def changeset(struct, data) do + data = fix(data) + + struct + |> cast(data, __schema__(:fields) -- [:attachment]) + |> cast_embed(:attachment) + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["Audio", "Video"]) + |> validate_required([:id, :actor, :attributedTo, :type, :context, :attachment]) + |> CommonValidations.validate_any_presence([:cc, :to]) + |> CommonValidations.validate_fields_match([:actor, :attributedTo]) + |> CommonValidations.validate_actor_presence() + |> CommonValidations.validate_host_match() + end +end |