2019-10-23 10:18:05 +00:00
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# Pleroma: A lightweight social networking server
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2020-03-26 14:37:42 +00:00
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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2019-10-23 10:18:05 +00:00
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# SPDX-License-Identifier: AGPL-3.0-only
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2019-10-17 16:36:52 +00:00
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defmodule Pleroma.Web.ActivityPub.ObjectValidators.LikeValidator do
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use Ecto.Schema
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alias Pleroma.Web.ActivityPub.ObjectValidators.Types
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alias Pleroma.Web.ActivityPub.Utils
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2019-11-05 14:02:09 +00:00
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import Ecto.Changeset
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import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
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2019-10-17 16:36:52 +00:00
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@primary_key false
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embedded_schema do
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2020-03-26 14:44:14 +00:00
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field(:id, Types.ObjectID, primary_key: true)
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2019-10-17 16:36:52 +00:00
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field(:type, :string)
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field(:object, Types.ObjectID)
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field(:actor, Types.ObjectID)
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field(:context, :string)
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field(:to, {:array, :string})
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field(:cc, {:array, :string})
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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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|> cast(data, [:id, :type, :object, :actor, :context, :to, :cc])
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end
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def validate_data(data_cng) do
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data_cng
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|> validate_inclusion(:type, ["Like"])
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2019-10-17 17:35:31 +00:00
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|> validate_required([:id, :type, :object, :actor, :context, :to, :cc])
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2019-11-05 14:02:09 +00:00
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|> validate_actor_presence()
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|> validate_object_presence()
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2019-10-17 16:36:52 +00:00
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|> validate_existing_like()
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end
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def validate_existing_like(%{changes: %{actor: actor, object: object}} = cng) do
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if Utils.get_existing_like(actor, %{data: %{"id" => object}}) do
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cng
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|> add_error(:actor, "already liked this object")
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|> add_error(:object, "already liked by this actor")
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else
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cng
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end
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end
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def validate_existing_like(cng), do: cng
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end
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