spot-im-sso-v2.js

!function(t,e,n){function a(t){var a=e.createElement("script");a.type="text/javascript",a.async=!1,a.src=("https:"===e.location.protocol?"https":"http")+":"+n,(t||e.body||e.head).appendChild(a)}function o(){var t=e.getElementsByTagName("script"),n=t[t.length-1];return n.parentNode} var p=o();t.spotId="sp_HzZnwWye",t.parentElement=p,a(p)}(window.SPOTIM={},document,"//www.spot.im/launcher/bundle.js");

if ( window.SPOTIM && window.SPOTIM.startSSO ) {
	startSSO();
} else {
	document.addEventListener('spot-im-api-ready', startSSO, false);
}

var startSSO = function() {
	var callback = function (codeA, completeSSOCallback) {
		//Ajax Call: SSO Token, Code A, User Details - PK & username (must)
		//completeSSOCallback(codeB);
		// data.user_id = , data.code_a = codeA;
		$.get(url, data, function(codeB){

		},'json');
	};

	window.SPOTIM.startSSO(callback)
	.then( function(result) {
		//result.type == 'SSO_Complete' or result.type == 'SSO_AlreadyLoggedIn'
	})
	.catch( function(reason) {
		//reason contains error details
	});
};

//https://developers.spot.im/sso/frontend-implementation

document.addEventListener('spot-im-start-sso', function(event) {
   var codeA = event.detail.codeA;
   var callback = event.detail.callback;

   window.spotImSSOCallback = callback;
   startSSO(codeA);
}, false);

function startSSO(codeA) {
   var httpRequest = new XMLHttpRequest();
   httpRequest.onreadystatechange = function() {
      if (httpRequest.readyState === XMLHttpRequest.DONE) {
         if (httpRequest.status === 200) {
            var codeB = httpRequest.responseText;
            window.spotImSSOCallback(codeB);
         }
      }
   };

   httpRequest.open('GET', 'https://api.yoursite.com/sso');
   httpRequest.send();
}