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ash_authentication
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Authentication extension for the Ash Framework.
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Files
lib/ash_authentication/token_resource/store_token_change.ex
# SPDX-FileCopyrightText: 2022 Alembic Pty Ltd
#
# SPDX-License-Identifier: MIT
defmodule AshAuthentication.TokenResource.StoreTokenChange do
@moduledoc """
Stores an arbitrary token.
"""
use Ash.Resource.Change
alias Ash.{Changeset, Error.Changes.InvalidArgument, Resource.Change}
alias AshAuthentication.Jwt
@doc false
@impl true
@spec change(Changeset.t(), keyword, Change.context()) :: Changeset.t()
def change(changeset, _opts, _context) do
with token when byte_size(token) > 0 <- Changeset.get_argument(changeset, :token),
{:ok, %{"jti" => jti, "exp" => exp, "sub" => subject}} <- Jwt.peek(token),
{:ok, expires_at} <- DateTime.from_unix(exp) do
changeset
|> Changeset.change_attributes(jti: jti, expires_at: expires_at, subject: subject)
else
_ ->
changeset
|> Changeset.add_error([
InvalidArgument.exception(field: :token, message: "is not a valid token")
])
end
end
end