array(
'name' => 'general-alert',
'type' => 'notice',
'label' => __( 'Notice!', 'wpcf7-redirect' ),
'sub_title' => __(
'Honeypot creates a random number of anti-spam fields on your form. If a robot fills out one of these fields the submission is marked as spam.
Learn More',
'wpcf7-redirect'
),
'placeholder' => '',
'class' => 'field-warning-notice',
'show_selector' => '',
),
),
parent::get_default_fields()
);
}
/**
* Create the honeypot field names
*
* @param integer $length
*/
function readable_random_string( $length = 6 ) {
$string = '';
$vowels = array( 'a', 'e', 'i', 'o', 'u' );
$consonants = array(
'b',
'c',
'd',
'f',
'g',
'h',
'j',
'k',
'l',
'm',
'n',
'p',
'r',
's',
't',
'v',
'w',
'x',
'y',
'z',
);
$max = $length / 2;
for ( $i = 1; $i <= $max; $i++ ) {
$string .= $consonants[ rand( 0, 19 ) ];
$string .= $vowels[ rand( 0, 4 ) ];
}
return $string;
}
/**
* Get the honeypot fields names
*/
private function get_honeypot_names() {
return get_post_meta( $this->get_id(), 'honeypot_names', true );
}
/**
* Render callback
*/
public function render_callback_once( $properties ) {
add_action(
'wp_footer',
function() {
$honeypot_names = $this->get_honeypot_names();
foreach ( $honeypot_names as $honeypot_name ) {
echo "";
}
}
);
return $properties;
}
/**
* Render an element on the form frontend.
*
* @param array $properties
* @param object $form
*/
public function render_callback( $properties, $form ) {
$honeypot_names = $this->get_honeypot_names();
if ( ! $honeypot_names ) {
$rand = rand( 1, 4 );
$honeypot_names = array();
for ( $i = 1;$i <= $rand;$i++ ) {
$honeypot_names[] = $this->readable_random_string();
}
update_post_meta( $this->get_id(), 'honeypot_names', $honeypot_names );
}
if ( isset( $properties['form'] ) ) {
foreach ( $honeypot_names as $honeypot_name ) {
$properties['form'] .= "[text {$honeypot_name}]
";
}
}
return $properties;
}
/**
* Process the honeypot validations
*/
public function process_validation( $submission ) {
$response = array();
$posted_data = $submission->get_posted_data();
$honeypot_names = $this->get_honeypot_names();
if ( $honeypot_names ) {
foreach ( $honeypot_names as $honeypot_name ) {
if ( isset( $posted_data[ $honeypot_name ] ) && $posted_data[ $honeypot_name ] ) {
$error = array(
'tag' => $honeypot_name,
'error_message' => __( 'Something went wrong', 'wpcf7-redirect' ),
);
$response['invalid_tags'][] = new WP_error( 'tag_invalid', $error );
} else {
$response['ignored_tags'][] = $honeypot_name;
}
}
}
return $response;
}
}