diff options
Diffstat (limited to 'lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex')
-rw-r--r-- | lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex new file mode 100644 index 000000000..336c92d35 --- /dev/null +++ b/lib/pleroma/web/activity_pub/object_validators/emoji_react_validator.ex @@ -0,0 +1,81 @@ +# 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.EmojiReactValidator do + use Ecto.Schema + + alias Pleroma.EctoType.ActivityPub.ObjectValidators + alias Pleroma.Object + + import Ecto.Changeset + import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations + + @primary_key false + + embedded_schema do + field(:id, ObjectValidators.ObjectID, primary_key: true) + field(:type, :string) + field(:object, ObjectValidators.ObjectID) + field(:actor, ObjectValidators.ObjectID) + field(:context, :string) + field(:content, :string) + field(:to, ObjectValidators.Recipients, default: []) + field(:cc, ObjectValidators.Recipients, default: []) + 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 + struct + |> cast(data, __schema__(:fields)) + |> fix_after_cast() + end + + def fix_after_cast(cng) do + cng + |> fix_context() + end + + def fix_context(cng) do + object = get_field(cng, :object) + + with nil <- get_field(cng, :context), + %Object{data: %{"context" => context}} <- Object.get_cached_by_ap_id(object) do + cng + |> put_change(:context, context) + else + _ -> + cng + end + end + + def validate_emoji(cng) do + content = get_field(cng, :content) + + if Pleroma.Emoji.is_unicode_emoji?(content) do + cng + else + cng + |> add_error(:content, "must be a single character emoji") + end + end + + def validate_data(data_cng) do + data_cng + |> validate_inclusion(:type, ["EmojiReact"]) + |> validate_required([:id, :type, :object, :actor, :context, :to, :cc, :content]) + |> validate_actor_presence() + |> validate_object_presence() + |> validate_emoji() + end +end |