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mongodb_driver

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The MongoDB driver for Elixir

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mongodb_driver lib mongo auth.ex
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lib/mongo/auth.ex 

defmodule Mongo.Auth do

  @moduledoc false



  alias Mongo.PasswordSafe



  def run(opts, state) do

    auth_source = opts[:auth_source]

    mechanism = mechanism(state)



    # change database for auth

    auth_state =

      case auth_source != nil && state.wire_version > 0 do

        true ->

          Map.put(state, :database, auth_source)



        false ->

          state

      end



    case opts |> credentials() |> mechanism.auth(state.database, auth_state) do

      :ok ->

        {:ok, state}



      error ->

        {mod, socket} = state.connection

        mod.close(socket)

        error

    end

  end



  defp credentials(opts) do

    username = opts[:username]

    pw_safe = opts[:pw_safe]

    password = PasswordSafe.get_password(pw_safe)

    {username, password}

  end



  defp mechanism(%{wire_version: version, auth_mechanism: :x509}) when version >= 3 do

    Mongo.Auth.X509

  end



  defp mechanism(%{wire_version: version}) when version >= 3 do

    Mongo.Auth.SCRAM

  end



  defp mechanism(_) do

    Mongo.Auth.CR

  end

end