AndrewDryga

defmodule OpenIDConnect do
  @moduledoc """
  Handles a majority of the life-cycle concerns with [OpenID Connect](http://openid.net/connect/)
  """
  alias OpenIDConnect.Document

  @typedoc """
  URL to a [OpenID Discovery Document](https://openid.net/specs/openid-connect-discovery-1_0.html) endpoint.
  """
  @type discovery_document_uri :: String.t()

AndrewDryga

defmodule Firezone.OpenAPIDocsWriter do
  @keep_req_headers []
  @keep_resp_headers ["content-type", "location"]

  def write(conns, path) do
    file = File.open!(path, [:write, :utf8])

    open_api_spec = %{
      openapi: "3.0.0",
      info: %{

AndrewDryga

defmodule MyApp.Config do
  @moduledoc """
  This module provides set of helper functions that are useful when reading application runtime configuration overrides
  in test environment.
  """

  if Mix.env() != :test do
    def maybe_put_env_override(_key, _value), do: :ok
    def fetch_env!(app, key), do: Application.fetch_env!(app, key)
  else

AndrewDryga

<?xml version="1.0" encoding="UTF-8"?>
<Response>
  <Dial>
    <Number>+15671112233</Number>
    <Number>+15671112234</Number>
  </Dial>
</Response>

AndrewDryga

defmodule DynamicChangeset do
  @moduledoc """
  This module provides helper functions to extend `Ecto.Changeset` to support
  dynamic embeds.
  """
  alias Ecto.Changeset

  @doc """
  Casts the given embed with the embedded changeset and field which is used to define it's type.

AndrewDryga

app_secret = Keyword.fetch!(config, :app_secret)
with [encoded_signature, encoded_payload] <- String.split(signed_request, "."),
     {:ok, signature} <- Base.url_decode64(encoded_signature, padding: false),
     {:ok, payload} <- Base.url_decode64(encoded_payload, padding: false),
     {:ok, payload} <- Jason.decode(payload),
     %{"algorithm" => "HMAC-SHA256"} <- payload,
     payload_signature = :crypto.hmac(:sha256, app_secret, encoded_payload),
     true <- Plug.Crypto.secure_compare(signature, payload_signature) do
  {:ok, payload}
else

AndrewDryga

def book_trip(attrs) do
  with {:ok, exchange_rates} <- BillingAPI.fetch_currency_exchange_rates(attrs),
       {:ok, card_authorization} <- BillingAPI.authorize_card(exchange_rates, attrs),
       {:hotel_booking, {:ok, hotel_booking}, _} <- {:hotel_booking, HotelsBookingAPI.book_hotel(attrs), []},
       {:car_booking, {:ok, car_booking}, _} <- {:car_booking, CarsBookingAPI.book_hotel(attrs), [hotel_booking]},
       {:flight_booking, {:ok, flight_booking}, _} <- {:flight_booking, FlightsBookingAPI.book_hotel(attrs), [hotel_booking, car_booking]},
       :ok <- Mailer.send_email_confirmation(card_authorization, hotel_booking, attrs),
       {:charge, {:ok, charge}, _} <- {:charge, BillingAPI.charge_card(card_authorization), [...]} do
    {:ok, %{charge: charge, bookings: [hotel_booking, car_booking, flight_booking]}}
  else

AndrewDryga

def book_trip(attrs) do
  with {:ok, exchange_rates} <- BillingAPI.fetch_currency_exchange_rates(attrs),
       {:ok, card_authorization} <- BillingAPI.authorize_card(exchange_rates, attrs),
       {:booking, {:ok, hotel_booking}, _} <- {:booking, HotelsBookingAPI.book_hotel(attrs), []},
       {:booking, {:ok, car_booking}, _} <- {:booking, CarsBookingAPI.book_hotel(attrs), [hotel_booking]},
       {:booking, {:ok, flight_booking}, _} <- {:booking, FlightsBookingAPI.book_hotel(attrs), [hotel_booking, car_booking]},
       :ok <- Mailer.send_email_confirmation(card_authorization, hotel_booking, attrs),
       {:charge, {:ok, charge}, _} <- {:charge, BillingAPI.charge_card(card_authorization), [...]} do
    {:ok, %{charge: charge, bookings: [hotel_booking, car_booking, flight_booking]}}
  else

AndrewDryga

def book_trip(attrs) do
  with {:ok, exchange_rates} <- BillingAPI.fetch_currency_exchange_rates(attrs),
       {:ok, card_authorization} <- BillingAPI.authorize_card(exchange_rates, attrs),
       {:ok, hotel_booking} <- HotelsBookingAPI.book_hotel(attrs),
       :ok <- Mailer.send_email_confirmation(card_authorization, hotel_booking, attrs),
       {:charge, {:ok, charge}, _} <- {:charge, BillingAPI.charge_card(card_authorization), [hotel_booking]} do
    {:ok, %{charge: charge, bookings: [hotel_booking]}}
  else
    {:charge, {:error, reason], [hotel_booking]} ->
      :ok = send_excuse_email(authorization)

AndrewDryga

def book_trip(attrs) do
  with {:ok, exchange_rates} <- BillingAPI.fetch_currency_exchange_rates(attrs),
       {:ok, card_authorization} <- BillingAPI.authorize_card(exchange_rates, attrs),
       {:ok, hotel_booking} <- HotelBookingAPI.book_hotel(attrs),
       :ok <- Mailer.send_email_confirmation(card_authorization, hotel_booking, attrs),
       {:ok, charge} <- BillingAPI.charge_card(card_authorization) do
    {:ok, %{charge: charge, bookings: [hotel_booking]}}
  end
end