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<?php
// Do not allow directly accessing this file.
if ( ! defined( 'ABSPATH' ) ) {
exit( 'Direct script access denied.' );
}
/**
* Handle contact pages.
*
* @since 3.8
*/
class Avada_Contact {
/**
* The recaptcha class instance
*
* @access public
* @var bool|object
*/
public $re_captcha = false;
/**
* Do we have an error? (bool)
*
* @access public
* @var bool
*/
public $has_error = false;
/**
* Contact name
*
* @access public
* @var string
*/
public $name = '';
/**
* Subject
*
* @access public
* @var string
*/
public $subject = '';
/**
* Email address
*
* @access public
* @var string
*/
public $email = '';
/**
* The message
*
* @access public
* @var string
*/
public $message = '';
/**
* Has the email been sent?
*
* @access public
* @var bool
*/
public $email_sent = false;
/**
* The class constructor.
*
* @access public
*/
public function __construct() {
$this->init_recaptcha();
if ( isset( $_POST['submit'] ) ) {
$this->process_name();
$this->process_subject();
$this->process_email();
$this->process_message();
$this->process_recaptcha();
if ( ! $this->has_error ) {
$this->send_email();
}
}
}
/**
* Setup ReCaptcha.
*
* @access private
*/
private function init_recaptcha() {
$options = get_option( Avada::get_option_name() );
if ( $options['recaptcha_public'] && $options['recaptcha_private'] && ! function_exists( 'recaptcha_get_html' ) ) {
if ( version_compare( PHP_VERSION, '5.3' ) >= 0 && ! class_exists( 'ReCaptcha' ) ) {
require_once( get_template_directory() . '/includes/recaptcha/src/autoload.php' );
// We use a wrapper class to avoid fatal errors due to syntax differences on PHP 5.2.
require_once( get_template_directory() . '/includes/recaptcha/class-avada-recaptcha.php' );
// Instantiate ReCaptcha object.
$re_captcha_wrapper = new Avada_ReCaptcha( $options['recaptcha_private'] );
$this->re_captcha = $re_captcha_wrapper->recaptcha;
}
}
}
/**
* Check to make sure that the name field is not empty.
*
* @access private
*/
private function process_name() {
if ( '' == trim( $_POST['contact_name'] ) || esc_html__( 'Name (required)', 'Avada' ) == trim( $_POST['contact_name'] ) ) {
$this->has_error = true;
} else {
$this->name = trim( $_POST['contact_name'] );
}
}
/**
* Subject field is not required.
*
* @access private
*/
private function process_subject() {
$this->subject = ( function_exists( 'stripslashes' ) ) ? stripslashes( trim( $_POST['url'] ) ) : trim( $_POST['url'] );
}
/**
* Check to make sure sure that a valid email address is submitted.
*
* @access private
*/
private function process_email() {
$email = trim( $_POST['email'] );
$pattern = '/^(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){255,})(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){65,}@)(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22))(?:\\.(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD';
if ( '' == $email || esc_html__( 'Email (required)', 'Avada' ) == $email ) {
$this->has_error = true;
} elseif ( 0 === preg_match( $pattern, $email ) ) {
$this->has_error = true;
} else {
$this->email = trim( $email );
}
}
/**
* Check to make sure a message was entered.
*
* @access private
*/
private function process_message() {
if ( '' == trim( $_POST['msg'] ) || esc_html__( 'Message', 'Avada' ) == trim( $_POST['msg'] ) ) {
$this->has_error = true;
} else {
$this->message = ( function_exists( 'stripslashes' ) ) ? stripslashes( trim( $_POST['msg'] ) ) : trim( $_POST['msg'] );
}
}
/**
* Check recaptcha.
*
* @access private
*/
private function process_recaptcha() {
if ( $this->re_captcha ) {
$re_captcha_response = null;
// Was there a reCAPTCHA response?
if ( $_POST['g-recaptcha-response'] ) {
$re_captcha_response = $this->re_captcha->verify(
$_POST['g-recaptcha-response'],
$_SERVER['REMOTE_ADDR']
);
}
// Check the reCaptcha response.
if ( null == $re_captcha_response || ! $re_captcha_response->isSuccess() ) {
$this->has_error = true;
}
}
}
/**
* Send the email.
*
* @access private
*/
private function send_email() {
$options = get_option( Avada::get_option_name() );
$name = wp_filter_kses( $this->name );
$email = wp_filter_kses( $this->email );
$subject = wp_filter_kses( $this->subject );
$message = wp_filter_kses( $this->message );
if ( function_exists( 'stripslashes' ) ) {
$subject = stripslashes( $subject );
$message = stripslashes( $message );
}
$email_to = $options['email_address'];
$body = esc_html__( 'Name:', 'Avada' ) . " $name \n\n";
$body .= esc_html__( 'Email:', 'Avada' ) . " $email \n\n";
$body .= esc_html__( 'Subject:', 'Avada' ) . " $subject \n\n";
$body .= esc_html__( 'Comments:', 'Avada' ) . "\n $message";
$headers = 'Reply-To: ' . $name . ' <' . $email . '>' . "\r\n";
wp_mail( $email_to, $subject, $body, $headers );
$this->email_sent = true;
if ( true == $this->email_sent ) {
$_POST['contact_name'] = '';
$_POST['email'] = '';
$_POST['url'] = '';
$_POST['msg'] = '';
}
}
}