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ash_authentication
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3.0.3
Authentication extension for the Ash Framework.
Security advisory:
This version has known vulnerabilities.
View advisories
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Files
lib/ash_authentication/strategies/password/verifier.ex
defmodule AshAuthentication.Strategy.Password.Verifier do
@moduledoc """
DSL verifier for the password strategy.
"""
use Spark.Dsl.Transformer
alias AshAuthentication.{HashProvider, Info, Sender, Strategy.Password}
alias Spark.Error.DslError
import AshAuthentication.Validations
@doc false
@impl true
@spec after?(module) :: boolean
def after?(_), do: true
@doc false
@impl true
@spec before?(module) :: boolean
def before?(_), do: false
@doc false
@impl true
@spec after_compile? :: boolean
def after_compile?, do: true
@doc false
@impl true
@spec transform(map) ::
:ok
| {:ok, map()}
| {:error, term()}
| {:warn, map(), String.t() | [String.t()]}
| :halt
def transform(dsl_state) do
dsl_state
|> Info.authentication_strategies()
|> Stream.filter(&is_struct(&1, Password))
|> Enum.reduce_while(:ok, fn strategy, :ok ->
case transform_strategy(strategy) do
:ok -> {:cont, :ok}
{:error, reason} -> {:halt, {:error, reason}}
end
end)
end
def transform_strategy(strategy) do
with :ok <- validate_behaviour(strategy.hash_provider, HashProvider) do
maybe_validate_resettable_sender(strategy)
end
end
defp maybe_validate_resettable_sender(%{resettable: [resettable]}) do
with {:ok, {sender, _opts}} <- Map.fetch(resettable, :sender),
:ok <- validate_behaviour(sender, Sender) do
:ok
else
:error ->
{:error,
DslError.exception(
path: [:authentication, :strategies, :password, :resettable],
message: "A `sender` is required."
)}
{:error, reason} ->
{:error, reason}
end
end
defp maybe_validate_resettable_sender(_), do: :ok
end