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CreateChatMessageValidator: Validate object existence

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lain 2020-04-28 16:45:28 +02:00
commit abd0928229
2 changed files with 29 additions and 1 deletions
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14
lib/pleroma/web/activity_pub/object_validators/create_chat_message_validator.ex
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@ -5,10 +5,10 @@
# NOTES
# - Can probably be a generic create validator
# - doesn't embed, will only get the object id
# - object has to be validated first, maybe with some meta info from the surrounding create
defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator do
use Ecto.Schema
alias Pleroma.Object
alias Pleroma.Web.ActivityPub.ObjectValidators.Types
import Ecto.Changeset
@ -43,6 +43,18 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.CreateChatMessageValidator do
|> validate_required([:id, :actor, :to, :type, :object])
|> validate_inclusion(:type, ["Create"])
|> validate_recipients_match(meta)
|> validate_object_nonexistence()
end
def validate_object_nonexistence(cng) do
cng
|> validate_change(:object, fn :object, object_id ->
if Object.get_cached_by_ap_id(object_id) do
[{:object, "The object to create already exists"}]
else
[]
end
end)
end
def validate_recipients_match(cng, meta) do