86 lines
2.1 KiB
Elixir
86 lines
2.1 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 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.CommonValidations do
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import Ecto.Changeset
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alias Pleroma.Activity
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alias Pleroma.Object
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alias Pleroma.User
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def validate_recipients_presence(cng, fields \\ [:to, :cc]) do
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non_empty =
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fields
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|> Enum.map(fn field -> get_field(cng, field) end)
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|> Enum.any?(fn
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[] -> false
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_ -> true
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end)
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if non_empty do
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cng
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else
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fields
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|> Enum.reduce(cng, fn field, cng ->
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cng
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|> add_error(field, "no recipients in any field")
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end)
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end
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end
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def validate_actor_presence(cng, options \\ []) do
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field_name = Keyword.get(options, :field_name, :actor)
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cng
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|> validate_change(field_name, fn field_name, actor ->
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case User.get_cached_by_ap_id(actor) do
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%User{deactivated: true} ->
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[{field_name, "user is deactivated"}]
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%User{} ->
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[]
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_ ->
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[{field_name, "can't find user"}]
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end
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end)
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end
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def validate_object_presence(cng, options \\ []) do
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field_name = Keyword.get(options, :field_name, :object)
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allowed_types = Keyword.get(options, :allowed_types, false)
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cng
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|> validate_change(field_name, fn field_name, object_id ->
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object = Object.get_cached_by_ap_id(object_id) || Activity.get_by_ap_id(object_id)
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cond do
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!object ->
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[{field_name, "can't find object"}]
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object && allowed_types && object.data["type"] not in allowed_types ->
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[{field_name, "object not in allowed types"}]
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true ->
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[]
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end
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end)
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end
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def validate_object_or_user_presence(cng, options \\ []) do
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field_name = Keyword.get(options, :field_name, :object)
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options = Keyword.put(options, :field_name, field_name)
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actor_cng =
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cng
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|> validate_actor_presence(options)
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object_cng =
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cng
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|> validate_object_presence(options)
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if actor_cng.valid?, do: actor_cng, else: object_cng
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end
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end
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