jsOAuth boilerplate for PIN based authentication in javascript

## boilerplate.coffee
openAuthoriseWindow = (url) ->
  waitForPin = ->
    if wnd.closed
      pin = prompt("Please enter your PIN", "")
      oauth.setVerifier pin
      oauth.fetchAccessToken getSomeData, failureHandler
    else
      setTimeout waitForPin, 100
  wnd = window.open(url, "authorise")
  setTimeout waitForPin, 100

getSomeData = ->
  oauth.get "https://api.example.com/oauth/something/?format=json", ((data) ->
    console.log data.text
  ), failureHandler

failureHandler = (data) ->
  console.error data

config =
  consumerKey: "YOUR-K3Y"
  consumerSecret: "YOUR-53CRET"
  requestTokenUrl: "https://api.example.com/oauth/request_token"
  authorizationUrl: "https://api.example.com/oauth/authorize"
  accessTokenUrl: "https://api.example.com/oauth/access_token"

oauth = new OAuth(config)
oauth.fetchRequestToken openAuthoriseWindow, failureHandler

## pin_auth.html
<html>
<head>
    <title></title>
</head>
<body>
    <script src="jsOAuth-1.3.min.js"></script>
    <script>

        var config = {
            consumerKey: "YOUR-K3Y",
            consumerSecret: "YOUR-53CRET",

            requestTokenUrl: "https://api.example.com/oauth/request_token",
            authorizationUrl: "https://api.example.com/oauth/authorize",
            accessTokenUrl: "https://api.example.com/oauth/access_token"
        };
        var oauth = new OAuth(config);

        oauth.fetchRequestToken(openAuthoriseWindow, failureHandler);

        function openAuthoriseWindow(url)
        {
            var wnd = window.open(url, 'authorise');
            setTimeout(waitForPin, 100);

            function waitForPin()
            {
                if (wnd.closed)
                {
                    var pin = prompt("Please enter your PIN", "");
                    oauth.setVerifier(pin);
                    oauth.fetchAccessToken(getSomeData, failureHandler);
                }
                else
                {
                    setTimeout(waitForPin, 100);
                }
            }
        }

        function getSomeData()
        {
            oauth.get("https://api.example.com/oauth/something/?format=json", function (data) {
                console.log(data.text);
            }, failureHandler);
        }

        function failureHandler(data)
        {
            console.error(data);
        }
    </script>
</body>
</html>