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access_pass

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Provides a full user authentication experience for an API. Includes login,logout,register,forgot password, forgot username, confirmation email and all that other good stuff. Includes plug for checking for authenticated users and macro for generating the required routes.

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access_pass lib access_pass access_token_server.ex
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lib/access_pass/access_token_server.ex 

defmodule AccessPass.AccessTokenServer do

  @moduledoc false

  import AccessPass.Importer

  use GenServer

  @name :access_token

  @ets :access_token_ets

  alias AccessPass.{GateKeeper, RefreshToken}

  import AccessPass.Config



  def start_link() do

    GenServer.start_link(__MODULE__, {%{}, %{}}, name: @name)

  end



  def init(state) do

    new(@ets, [:set, :public, :named_table])

    {:ok, state}

  end



  def handle_call({:add, refresh_token, meta}, _, _) do

    access_token = GateKeeper.genToken()



    insert_with_revoke(

      @ets,

      {access_token, refresh_token, meta},

      {@name, {:revoke, access_token}, access_expire_in() * 1000}

    )



    {:reply, access_token, %{}}

  end



  def handle_call({:revoke, access_token}, _, _) do

    case match(@ets, {access_token, :"$1", :_}) do

      [[val]] -> RefreshToken.revoke_self_only(val)

      _ -> :ok

    end



    delete(@ets, access_token)

    {:reply, {:ok}, %{}}

  end



  def handle_info({:revoke, access_token}, _) do

    delete(@ets, access_token)

    {:noreply, %{}}

  end



  def handle_cast({:revoke, refresh_token}, %{}) do

    match_delete(@ets, {:_, refresh_token, :_})

    {:noreply, %{}}

  end



  def check(access_token) do

    case match(@ets, {access_token, :_, :"$1"}) do

      [[val]] -> {:ok, val}

      _ -> return_expire_error()

    end

  end



  defp return_expire_error() do

    {:error, "access token expired"}

  end

end