%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
class MC4WP_Form_Validator {
/**
* @var array
*/
protected $internal_data = array();
/**
* @var array
*/
protected $user_data = array();
/**
* @param array $internal_data Array of fields with their values
* @param array $user_data
*/
public function __construct( $internal_data, $user_data = array() ) {
$this->internal_data = $internal_data;
$this->user_data = $user_data;
}
/**
* @param array $internal_data Array of fields with their values
* @param array $user_data
*/
public function set_data( $internal_data, $user_data = array() ) {
$this->internal_data = $internal_data;
$this->user_data = $user_data;
}
/**
* Validate form nonce
*
* @return bool
*/
public function validate_nonce() {
// detect caching plugin
$using_caching = ( defined( 'WP_CACHE' ) && WP_CACHE );
// validate form nonce, but only if not using caching
if ( ! $using_caching && ( ! isset( $this->internal_data['form_nonce'] ) || ! wp_verify_nonce( $this->internal_data['form_nonce'], '_mc4wp_form_nonce' ) ) ) {
return false;
}
return true;
}
/**
* Ensure honeypot is given but not filled
*
* @return bool
*/
public function validate_honeypot() {
// ensure honeypot was given but not filled
if ( ! isset( $this->internal_data['honeypot'] ) || '' !== $this->internal_data['honeypot'] ) {
return false;
}
return true;
}
/**
* Validate form timestamp, should be at least 1.5 seconds in the past
*
* @return bool
*/
public function validate_timestamp() {
// check timestamp difference, token should be generated at least 2 seconds before form submit
if( ! isset( $this->internal_data['timestamp'] ) || time() < ( intval( $this->internal_data['timestamp'] ) + 1.5 ) ) {
return false;
}
return true;
}
/**
* Validate Captcha, if form had one.
*
* @return bool
*/
public function validate_captcha() {
// check if captcha was present and valid
if( isset( $this->internal_data['has_captcha'] ) && $this->internal_data['has_captcha'] == 1 && function_exists( 'cptch_check_custom_form' ) && cptch_check_custom_form() !== true ) {
return false;
}
return true;
}
/**
* Ensure email address is given and valid
*
* @return bool
*/
public function validate_email() {
// validate email
if( ! isset( $this->user_data['EMAIL'] ) || ! is_string( $this->user_data['EMAIL'] ) || ! is_email( $this->user_data['EMAIL'] ) ) {
return false;
}
return true;
}
/**
* Ensure a list is selected or submitted
*
* @param $lists
*
* @return bool
*/
public function validate_lists( array $lists ) {
return ! empty( $lists );
}
/**
* Run custom validation filter, should return true if valid, or an error code string when invalid
*
* @return string|bool
*/
public function custom_validation() {
/**
* @filter mc4wp_valid_form_request
*
* Use this to perform custom form validation.
* Return true if the form is valid or an error string if it isn't.
* Use the `mc4wp_form_messages` filter to register custom error messages.
*/
$valid_form_request = apply_filters( 'mc4wp_valid_form_request', true, $this->user_data );
return $valid_form_request;
}
}
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