# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Web.ActivityPub.ObjectValidators.EmojiReactValidator do
use Ecto.Schema
+ alias Pleroma.Emoji
alias Pleroma.Object
- alias Pleroma.Web.ActivityPub.ObjectValidators.Types
+ alias Pleroma.Web.ActivityPub.ObjectValidators.CommonFixes
import Ecto.Changeset
import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
@primary_key false
embedded_schema do
- field(:id, Types.ObjectID, primary_key: true)
- field(:type, :string)
- field(:object, Types.ObjectID)
- field(:actor, Types.ObjectID)
+ quote do
+ unquote do
+ import Elixir.Pleroma.Web.ActivityPub.ObjectValidators.CommonFields
+ message_fields()
+ activity_fields()
+ tag_fields()
+ end
+ end
+
field(:context, :string)
field(:content, :string)
- field(:to, {:array, :string}, default: [])
- field(:cc, {:array, :string}, default: [])
end
def cast_and_validate(data) do
end
def cast_data(data) do
+ data =
+ data
+ |> fix()
+
%__MODULE__{}
|> changeset(data)
end
def changeset(struct, data) do
struct
- |> cast(data, __schema__(:fields))
- |> fix_after_cast()
+ |> cast(data, __schema__(:fields) -- [:tag])
+ |> cast_embed(:tag)
end
- def fix_after_cast(cng) do
- cng
- |> fix_context()
+ defp fix(data) do
+ data =
+ data
+ |> fix_emoji_qualification()
+ |> CommonFixes.fix_actor()
+ |> CommonFixes.fix_activity_addressing()
+
+ data =
+ if Map.has_key?(data, "tag") do
+ data
+ else
+ Map.put(data, "tag", [])
+ end
+
+ case Object.normalize(data["object"]) do
+ %Object{} = object ->
+ data
+ |> CommonFixes.fix_activity_context(object)
+ |> CommonFixes.fix_object_action_recipients(object)
+
+ _ ->
+ data
+ end
end
- def fix_context(cng) do
- object = get_field(cng, :object)
+ defp fix_emoji_qualification(%{"content" => emoji} = data) do
+ new_emoji = Pleroma.Emoji.fully_qualify_emoji(emoji)
+
+ cond do
+ Pleroma.Emoji.is_unicode_emoji?(emoji) ->
+ data
- with nil <- get_field(cng, :context),
- %Object{data: %{"context" => context}} <- Object.get_cached_by_ap_id(object) do
+ Pleroma.Emoji.is_unicode_emoji?(new_emoji) ->
+ data |> Map.put("content", new_emoji)
+
+ true ->
+ data
+ end
+ end
+
+ defp fix_emoji_qualification(data), do: data
+
+ defp validate_emoji(cng) do
+ content = get_field(cng, :content)
+
+ if Emoji.is_unicode_emoji?(content) || Emoji.matches_shortcode?(content) do
cng
- |> put_change(:context, context)
else
- _ ->
- cng
+ cng
+ |> add_error(:content, "is not a valid emoji")
end
end
- def validate_emoji(cng) do
+ defp maybe_validate_tag_presence(cng) do
content = get_field(cng, :content)
- if Pleroma.Emoji.is_unicode_emoji?(content) do
+ if Emoji.is_unicode_emoji?(content) do
cng
else
- cng
- |> add_error(:content, "must be a single character emoji")
+ tag = get_field(cng, :tag)
+ emoji_name = Emoji.stripped_name(content)
+
+ case tag do
+ [%{name: ^emoji_name, type: "Emoji", icon: %{url: _}}] ->
+ cng
+
+ _ ->
+ cng
+ |> add_error(:tag, "does not contain an Emoji tag")
+ end
end
end
- def validate_data(data_cng) do
+ defp 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()
+ |> maybe_validate_tag_presence()
end
end