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Prospect Ogujiuba
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inc/wp_simple_form_mailer.php
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239
inc/wp_simple_form_mailer.php
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<?php
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/**
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* Class Name: PG_Simple_Form_Mailer
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* GitHub URI:
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* Description:
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* Version: 1.0
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* Author: Matjaz Trontelj - @pinegrow
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* License: GPL-2.0+
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* License URI: http://www.gnu.org/licenses/gpl-2.0.txt
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*
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*/
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class PG_Simple_Form_Mailer {
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static $captcha_script_included = false;
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public $processed = false;
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public $error = true;
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public $message = 'The form was not submitted';
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public $text = null;
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public $html = null;
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public function process( $arg_options = array() ) {
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$admin_email = get_option('admin_email');
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$options = array(
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'form_id' => 'contact_form',
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'send_to_email' => false,
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'email' => $admin_email,
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'title' => 'Contact form submission',
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'intro' => 'We received a new contact form submission:',
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'save_to_post_type' => null,
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'post_type' => null,
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'captcha' => false,
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'captcha_key' => null,
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'captcha_secret' => null,
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'include_captcha_script' => false,
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'log_ip' => true,
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'success_message' => 'Thank you for getting in touch!',
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'error_message' => 'There was a problem submitting this form. Please contact us directly.',
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'callback' => null
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);
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//merge options
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foreach($arg_options as $key => $value) {
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$options[ $key ] = $value;
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}
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if($options['captcha']) {
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if (!empty($options['include_captcha_script']) && !PG_Simple_Form_Mailer::$captcha_script_included) {
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echo '<script src="https://www.google.com/recaptcha/api.js" async defer></script>';
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PG_Simple_Form_Mailer::$captcha_script_included = true;
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}
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}
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if( !empty($_POST[$options['form_id']]) ) {
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//the form was submitted
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//we assume the browser did the validation
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$lf = "\n\r";
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$ignore_fields = array($options['form_id'], 'g-recaptcha-response');
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$text = $options['intro'].$lf.$lf;
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$html = "<p>{$options['intro']}</p>";
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$from_email = null;
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$this->processed = true;
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if($options['captcha']) {
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if(empty($options['captcha_key']) || empty($options['captcha_secret'])) {
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$this->error = 'Captcha key and secret are not set.';
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return true;
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}
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if(empty($_POST['g-recaptcha-response'])) {
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$this->error = 'Captcha response is not present.';
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return true;
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} else if($this->validate_rechapcha($_POST['g-recaptcha-response'], $options['captcha_secret']) !== true) {
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$this->error = 'Captcha validation failed.';
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return true;
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}
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}
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$form_data = array();
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foreach($_POST as $key => $value) {
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if(!in_array( $key, $ignore_fields)) {
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$key = htmlspecialchars($key);
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$value = htmlspecialchars($value);
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$text .= "{$key}: {$value}".$lf;
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if($key == 'email' || $key == 'Email') {
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$from_email = $value;
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}
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$html .= "<p><b>{$key}</b>: {$value}</p>";
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$form_data[$key] = $value;
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}
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}
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$stamp = "Submitted on ".date("F j, Y, g:i a");
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if($options['log_ip'] && !empty($_SERVER['REMOTE_ADDR'])) {
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$stamp .= " from ".$_SERVER['REMOTE_ADDR'];
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}
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$text .= $stamp;
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$html .= "<p><em>{$stamp}</em></p>";
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$this->text = $text;
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$this->html = $html;
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$emailed = null;
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$saved = null;
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$called = null;
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if($options['send_to_email']) {
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$headers = 'From: '. $admin_email . "\r\n";
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$email_data = array(
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'headers' => $headers,
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'subject' => $options['title'],
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'content' => $text,
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'data' => $form_data
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);
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$email_data = apply_filters( 'pg_form_email', $email_data);
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$emailed = wp_mail($options['email'], $email_data['subject'], $email_data['content'], $email_data['headers']);
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}
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if($options['save_to_post_type']) {
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if(wp_insert_post( array(
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'post_title' => $options['title'].(!empty( $from_email ) ? (" - ".$from_email) : ""),
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'post_content' => $html,
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'post_type' => $options['post_type'],
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'post_status' => 'private'
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) )) {
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$saved = true;
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} else {
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$saved = false;
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}
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}
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if($options['callback']) {
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if(function_exists($options['callback'])) {
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$called = call_user_func($options['callback'], $form_data, $options);
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} else {
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$called = false;
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}
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}
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if((!$emailed && !$saved && !$called) || $emailed === false || $saved === false || $called === false) {
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$this->error = true;
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$this->message = $options['error_message'];
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} else {
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$this->error = false;
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$this->message = $options['success_message'];
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}
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return true;
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} else {
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//the form was not submitted
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$this->processed = false;
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$this->error = false;
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return false;
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}
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}
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//source https://gist.github.com/jonathanstark/dfb30bdfb522318fc819
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public function validate_rechapcha($response, $secret)
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{
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// Verifying the user's response (https://developers.google.com/recaptcha/docs/verify)
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$verifyURL = 'https://www.google.com/recaptcha/api/siteverify';
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$query_data = [
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'secret' => $secret,
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'response' => $response,
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'remoteip' => (isset($_SERVER["HTTP_CF_CONNECTING_IP"]) ? $_SERVER["HTTP_CF_CONNECTING_IP"] : $_SERVER['REMOTE_ADDR'])
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];
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// Collect and build POST data
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$post_data = http_build_query($query_data, '', '&');
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// Send data on the best possible way
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if (function_exists('curl_init') && function_exists('curl_setopt') && function_exists('curl_exec'))
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{
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// Use cURL to get data 10x faster than using file_get_contents or other methods
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$ch = curl_init($verifyURL);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
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curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
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curl_setopt($ch, CURLOPT_TIMEOUT, 5);
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curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json', 'Content-type: application/x-www-form-urlencoded'));
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$response = curl_exec($ch);
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curl_close($ch);
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}
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else
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{
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// If server not have active cURL module, use file_get_contents
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$opts = array('http' =>
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array(
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'method' => 'POST',
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'header' => 'Content-type: application/x-www-form-urlencoded',
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'content' => $post_data
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)
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);
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$context = stream_context_create($opts);
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$response = file_get_contents($verifyURL, false, $context);
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}
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// Verify all reponses and avoid PHP errors
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if ($response)
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{
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$result = json_decode($response);
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if ($result->success === true)
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{
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return true;
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}
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else
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{
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return $result;
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}
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}
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// Dead end
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return false;
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}
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}
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