134 lines
3.3 KiB
PHP
134 lines
3.3 KiB
PHP
<?php
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defined('ABSPATH') or exit;
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/**
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* Class MC4WP_Custom_Integration
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* @ignore
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*/
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class MC4WP_Custom_Integration extends MC4WP_Integration
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{
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/**
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* @var string
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*/
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protected $checkbox_name = 'mc4wp-subscribe';
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/**
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* @var string
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*/
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public $name = 'Custom';
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/**
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* @var string
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*/
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public $description = 'Integrate with custom third-party forms.';
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/**
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* Add hooks
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*/
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public function add_hooks()
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{
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add_action('init', [ $this, 'listen' ], 50);
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}
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/**
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* Was the integration checkbox checked?
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*
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* @return bool
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*/
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public function checkbox_was_checked()
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{
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$data = $this->get_data();
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$value = isset($data[ $this->checkbox_name ]) ? $data[ $this->checkbox_name ] : '';
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$truthy_values = [ 1, '1', 'yes', true, 'true', 'y' ];
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return in_array($value, $truthy_values, true);
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}
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/**
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* Maybe fire a general subscription request
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*
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* @return bool|string
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*/
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public function listen()
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{
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if (! $this->checkbox_was_checked()) {
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return false;
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}
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// ignore requests from bots, crawlers and link previews
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if (empty($_SERVER['HTTP_USER_AGENT']) || preg_match('/bot|crawl|spider|seo|lighthouse|facebookexternalhit|preview/i', $_SERVER['HTTP_USER_AGENT'])) {
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return false;
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}
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// ignore requests without an HTTP referrer
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if (empty($_SERVER['HTTP_REFERER'])) {
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return false;
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}
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// ignore requests where HTTP Referer does not contain hostname from home_url
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$site_hostname = parse_url(get_home_url(), PHP_URL_HOST);
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if (strpos($_SERVER['HTTP_REFERER'], $site_hostname) === false) {
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return false;
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}
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$data = $this->get_data();
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// don't run for CF7 or Events Manager requests
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// (since they use the same "mc4wp-subscribe" trigger)
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$disable_triggers = [
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'_wpcf7' => '',
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'action' => 'booking_add',
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];
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foreach ($disable_triggers as $trigger => $trigger_value) {
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if (isset($data[ $trigger ])) {
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$value = $data[ $trigger ];
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// do nothing if trigger value is optional
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// or if trigger value matches
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if (empty($trigger_value) || $value === $trigger_value) {
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return false;
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}
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}
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}
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// run!
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return $this->process();
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}
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/**
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* Process custom form
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*
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* @return bool|string
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*/
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public function process()
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{
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$parser = new MC4WP_Field_Guesser($this->get_data());
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$data = $parser->combine([ 'guessed', 'namespaced' ]);
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// do nothing if no email was found
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if (empty($data['EMAIL'])) {
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$this->get_log()->warning(sprintf('%s > Unable to find EMAIL field.', $this->name));
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return false;
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}
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return $this->subscribe($data);
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}
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/**
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* @return bool
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*/
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public function is_installed()
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{
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return true;
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}
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/**
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* @return array
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*/
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public function get_ui_elements()
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{
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return [ 'lists', 'double_optin', 'update_existing', 'replace_interests' ];
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}
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}
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