goelp/gas_qbo_oauth2.js

## gas_qbo_oauth2.js
var CLIENT_ID = '...'; // Get from Quickbooks Developer Console
var CLIENT_SECRET = '...'; // Get from Quickbooks Developer Console
var BASE_AUTH_URL = 'https://appcenter.intuit.com/connect/oauth2';
var TOKEN_URL = 'https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer';
var API_SCOPE = 'com.intuit.quickbooks.accounting';
var REDIRECT_URI = '...'; // Generate using the logRedirectUri() function mentioned at the end of this script
var RESPONSE_TYPE = 'code';

/**
 * Authorizes and makes a request to the Quickbooks API using OAuth 2.
*/
function run() {
  var service = getService();
  if (service.hasAccess()) {
    var url = 'https://sandbox-quickbooks.api.intuit.com/';
    var response = UrlFetchApp.fetch(url, {
      headers: {
        Authorization: 'Bearer ' + service.getAccessToken()
      }
    });
    var result = JSON.parse(response.getContentText());
    Logger.log(JSON.stringify(result, null, 2));
  } else {
    var authorizationUrl = service.getAuthorizationUrl();
    Logger.log('Open the following URL and re-run the script: %s', authorizationUrl);
  }
}

/**
 * Reset the authorization state, so that it can be re-tested.
*/
function reset() {
  getService().reset();
}

/**
 * Configures the service.
 */
function getService() {
  return OAuth2.createService('Quickbooks')
      .setAuthorizationBaseUrl(BASE_AUTH_URL)
      .setTokenUrl(TOKEN_URL)
      .setClientId(CLIENT_ID)
      .setClientSecret(CLIENT_SECRET)
      .setScope(API_SCOPE)
      .setCallbackFunction('authCallback')
      .setParam('response_type', RESPONSE_TYPE)
      .setParam('state', getStateToken('authCallback')) // function to generate the state token on the fly
      .setPropertyStore(PropertiesService.getUserProperties());
}

/**
 * Handles the OAuth callback
 */
function authCallback(request) {
  var service = getService();
  var authorized = service.handleCallback(request);
  if (authorized) {
    Logger.log("Success!");
    return HtmlService.createHtmlOutput('Success!');
  } else {
    Logger.log("Denied!");
    return HtmlService.createHtmlOutput('Denied.');
  }
}

/**
 * Generate a State Token
 */
function getStateToken(callbackFunction){
 var stateToken = ScriptApp.newStateToken()
     .withMethod(callbackFunction)
     .withTimeout(120)
     .createToken();
 return stateToken;
}

/**
 * Logs the redirect URI. Run this function to get the REDIRECT_URI to be mentioned at the top of this script.
 */
function logRedirectUri() {
  Logger.log(getService().getRedirectUri());
}
	var CLIENT_ID = '...'; // Get from Quickbooks Developer Console
	var CLIENT_SECRET = '...'; // Get from Quickbooks Developer Console
	var BASE_AUTH_URL = 'https://appcenter.intuit.com/connect/oauth2';
	var TOKEN_URL = 'https://oauth.platform.intuit.com/oauth2/v1/tokens/bearer';
	var API_SCOPE = 'com.intuit.quickbooks.accounting';
	var REDIRECT_URI = '...'; // Generate using the logRedirectUri() function mentioned at the end of this script
	var RESPONSE_TYPE = 'code';

	/**
	* Authorizes and makes a request to the Quickbooks API using OAuth 2.
	*/
	function run() {
	var service = getService();
	if (service.hasAccess()) {
	var url = 'https://sandbox-quickbooks.api.intuit.com/';
	var response = UrlFetchApp.fetch(url, {
	headers: {
	Authorization: 'Bearer ' + service.getAccessToken()
	}
	});
	var result = JSON.parse(response.getContentText());
	Logger.log(JSON.stringify(result, null, 2));
	} else {
	var authorizationUrl = service.getAuthorizationUrl();
	Logger.log('Open the following URL and re-run the script: %s', authorizationUrl);
	}
	}

	/**
	* Reset the authorization state, so that it can be re-tested.
	*/
	function reset() {
	getService().reset();
	}

	/**
	* Configures the service.
	*/
	function getService() {
	return OAuth2.createService('Quickbooks')
	.setAuthorizationBaseUrl(BASE_AUTH_URL)
	.setTokenUrl(TOKEN_URL)
	.setClientId(CLIENT_ID)
	.setClientSecret(CLIENT_SECRET)
	.setScope(API_SCOPE)
	.setCallbackFunction('authCallback')
	.setParam('response_type', RESPONSE_TYPE)
	.setParam('state', getStateToken('authCallback')) // function to generate the state token on the fly
	.setPropertyStore(PropertiesService.getUserProperties());
	}

	/**
	* Handles the OAuth callback
	*/
	function authCallback(request) {
	var service = getService();
	var authorized = service.handleCallback(request);
	if (authorized) {
	Logger.log("Success!");
	return HtmlService.createHtmlOutput('Success!');
	} else {
	Logger.log("Denied!");
	return HtmlService.createHtmlOutput('Denied.');
	}
	}

	/**
	* Generate a State Token
	*/
	function getStateToken(callbackFunction){
	var stateToken = ScriptApp.newStateToken()
	.withMethod(callbackFunction)
	.withTimeout(120)
	.createToken();
	return stateToken;
	}

	/**
	* Logs the redirect URI. Run this function to get the REDIRECT_URI to be mentioned at the top of this script.
	*/
	function logRedirectUri() {
	Logger.log(getService().getRedirectUri());
	}