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Robust user authentication solution

Security advisory: This version has known vulnerabilities. View advisories
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pow lib pow extension phoenix controllers controller_callbacks.ex
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lib/pow/extension/phoenix/controllers/controller_callbacks.ex 

defmodule Pow.Extension.Phoenix.ControllerCallbacks do

  @moduledoc """

  Module that adds controller callbacks for extensions.



  It'll automatically trigger all extension callbacks.



  ## Usage



      use Pow.Plug.Session,

        controller_callbacks: Pow.Extension.Phoenix.ControllerCallbacks,

        extensions: [PowExtensionA, PowExtensionB]

  """

  alias Pow.{Config, Extension}



  for hook <- [:before_process, :before_respond] do

    @doc false

    @spec unquote(hook)(atom(), atom(), any(), Config.t()) :: any()

    def unquote(hook)(controller, action, results, config) do

      config

      |> controller_callbacks_modules()

      |> Enum.reduce(results, fn

        _extension, {:halt, conn} -> {:halt, conn}

        extension, results        -> extension.unquote(hook)(controller, action, results, config)

      end)

    end

  end



  defp controller_callbacks_modules(config) do

    config

    |> Extension.Config.extensions()

    |> Extension.Config.extension_modules(["Phoenix", "ControllerCallbacks"])

  end

end