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@MCKLtech
Last active July 6, 2020 18:56
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<?php
namespace GroundhoggDisposable;
use Groundhogg\Contact;
/*
* Plugin Name: Groundhogg - Disposable Email Checker
* Plugin URI: https://www.wooninja.io/?utm_source=wp-plugins&utm_campaign=groundhogg-disposable&utm_medium=wp-dash
* Description: Remove disposable emails from your Groundhogg List
* Version: 1.0
* Author: Colin Longworth
* Author URI: https://www.wooninja.io/?utm_source=wp-plugins&utm_campaign=groundhogg-disposable&utm_medium=wp-dash
* Text Domain: groundhogg-disposable
* Domain Path: /languages
*
* Groundhogg is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* Groundhogg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
if (!defined('ABSPATH')) exit;
$disposable = new Groundhogg_Disposable();
class Groundhogg_Disposable {
/**
* Should contacts be unsubscribed?
*
* Default: true
*
* @var bool
*/
public $unsub = true;
/**
* Should contacts be deleted?
*
* Default: true
*
* @var bool
*/
public $delete = true;
public function __construct() {
/**
* Hook to the creation and update processes in Groundhogg
*/
add_action( 'groundhogg/contact/post_update', array( $this, 'check_contact' ), 99, 4 );
add_action( 'groundhogg/contact/post_create', array( $this, 'check_contact' ), 99, 3 );
}
/**
* Check a given contact against our list
*
* See the Contact class in Groundhogg for input parameters
*
* @param $contact_id
* @param $data
* @param $object
* @param bool $old_data
*/
public function check_contact($contact_id, $data, $object, $old_data = false ) {
/* Store list in transient to reduce load */
if ( false === ( $list = get_transient( 'groundhogg_disposable_list' ) ) ) {
$list = $this->fetchList();
}
//List is empty, we can't run a check. Abort!
if(empty($list)) return;
//Load the contact
$contact = new Contact($contact_id);
//Check they ecist
if($contact->exists()) {
/* Extract the email and domain */
$email = $contact->get_email();
$domain = $this->fetchDomain($email);
if($domain) {
foreach($list as $id => $email_domain) {
if($email_domain == $domain) {
if($this->unsub) $contact->unsubscribe();
if($this->delete) $contact->delete();
break;
}
}
}
}
}
/**
* Returns the domain from a given email e.g. example.com
*
* @param $email
* @return bool|mixed|string
*/
private function fetchDomain($email) {
if( filter_var( $email, FILTER_VALIDATE_EMAIL ) ) {
$parts = explode('@', $email);
return array_pop($parts);
}
return false;
}
/**
* Returns an array of disposabl emails from the given service provider
*
* @return array|mixed
*/
public function fetchList() {
$url = apply_filters('groundhogg/disposable/list/url', 'https://cdn.jsdelivr.net/gh/andreis/disposable-email-domains@master/domains.json');
$response = wp_remote_request( $url );
//Check for success
if(!is_wp_error($response) && ($response['response']['code'] == 200 || $response['response']['code'] == 201)) {
$body = wp_remote_retrieve_body($response);
$list = json_decode($body);
if(count($list) > 0) {
set_transient( 'groundhogg_disposable_list', $list, DAY_IN_SECONDS * 7 );
}
return $list;
}
else {
return [];
}
}
}
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