jayllellis

// original from: http://mashe.hawksey.info/2014/07/google-sheets-as-a-database-insert-with-apps-script-using-postget-methods-with-ajax-example/
// original gist: https://gist.github.com/willpatera/ee41ae374d3c9839c2d6 

function doGet(e){
  return handleResponse(e);
}

//  Enter sheet name where data is to be written below
        var SHEET_NAME = "Sheet1";

jayllellis

# Exclude the files ajax, upload and WP CRON scripts from authentication
<FilesMatch "(admin-ajax\.php|media-upload\.php|async-upload\.php|wp-cron\.php|xmlrpc\.php)$">
  Order allow,deny
  Allow from all
  Satisfy any
</FilesMatch>

jayllellis

<?php

function my_customize_rest_cors() {
	remove_filter( 'rest_pre_serve_request', 'rest_send_cors_headers' );
	add_filter( 'rest_pre_serve_request', function( $value ) {
		header( 'Access-Control-Allow-Origin: *' );
		header( 'Access-Control-Allow-Methods: GET' );
		header( 'Access-Control-Allow-Credentials: true' );
		header( 'Access-Control-Expose-Headers: Link', false );
		header( 'Access-Control-Allow-Headers: X-Requested-With' );