'builtin',
'shortcode' => '',
'title' => 'Send us a message',
'intro' => 'Leave your details and we will get back to you.',
'button' => 'Send message',
'thanks' => 'Thanks - we have your message and will be in touch.',
'phone' => 'optional',
'company' => 'off',
'message_label' => 'How can we help?',
'custom' => array(),
);
}
/**
* Returns the saved contact form settings, merged with the defaults.
*
* @return array
*/
function cwp_ai_form_get() {
$saved = get_option( 'cwp_ai_form', array() );
return array_merge( cwp_ai_form_defaults(), is_array( $saved ) ? $saved : array() );
}
/**
* Cleans submitted contact form settings.
*
* @param array $in The submitted settings.
* @return array
*/
function cwp_ai_form_sanitize( $in ) {
$d = cwp_ai_form_defaults();
$in = is_array( $in ) ? $in : array();
$level = function ( $value, $fallback ) {
return in_array( $value, array( 'off', 'optional', 'required' ), true ) ? $value : $fallback;
};
$custom = array();
foreach ( (array) ( $in['custom'] ?? array() ) as $field ) {
$label = sanitize_text_field( $field['label'] ?? '' );
if ( '' === $label ) {
continue;
}
$custom[] = array(
'label' => $label,
'required' => ! empty( $field['required'] ),
);
if ( count( $custom ) >= 3 ) {
break;
}
}
return array(
'mode' => ( $in['mode'] ?? '' ) === 'shortcode' ? 'shortcode' : 'builtin',
'shortcode' => trim( sanitize_text_field( $in['shortcode'] ?? '' ) ),
'title' => cwp_ai_or( sanitize_text_field( $in['title'] ?? '' ), $d['title'] ),
'intro' => sanitize_text_field( $in['intro'] ?? '' ),
'button' => cwp_ai_or( sanitize_text_field( $in['button'] ?? '' ), $d['button'] ),
'thanks' => cwp_ai_or( sanitize_text_field( $in['thanks'] ?? '' ), $d['thanks'] ),
'phone' => $level( $in['phone'] ?? '', $d['phone'] ),
'company' => $level( $in['company'] ?? '', $d['company'] ),
'message_label' => cwp_ai_or( sanitize_text_field( $in['message_label'] ?? '' ), $d['message_label'] ),
'custom' => $custom,
);
}
/**
* Returns the contact form settings the chat window needs.
*
* @return array
*/
function cwp_ai_form_config() {
$form = cwp_ai_form_get();
$out = $form;
$out['shortcodeUrl'] = '';
if ( 'shortcode' === $form['mode'] && '' !== $form['shortcode'] ) {
$out['shortcodeUrl'] = add_query_arg( 'cwp_ai_form', '1', home_url( '/' ) );
}
unset( $out['shortcode'] );
return $out;
}
add_action(
'template_redirect',
function () {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- a read-only page that renders the owner's own saved form.
if ( empty( $_GET['cwp_ai_form'] ) ) {
return;
}
$form = cwp_ai_form_get();
if ( 'shortcode' !== $form['mode'] || '' === $form['shortcode'] ) {
status_header( 404 );
exit;
}
nocache_headers();
wp_enqueue_style( 'cwp-ai-form-page' );
wp_enqueue_script( 'cwp-ai-form-page' );
?>
>
'Unauthorized' ) );
}
$raw = isset( $_POST['form'] )
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- JSON document, validated field by field in cwp_ai_form_sanitize().
? json_decode( wp_unslash( $_POST['form'] ), true )
: null;
if ( ! is_array( $raw ) ) {
wp_send_json_error( array( 'message' => 'Could not read the form settings' ) );
}
$clean = cwp_ai_form_sanitize( $raw );
if ( 'shortcode' === $clean['mode'] && '' === $clean['shortcode'] ) {
wp_send_json_error( array( 'message' => 'Paste the shortcode from your form plugin, or switch back to the built-in form.' ) );
}
if ( 'shortcode' === $clean['mode'] && ! preg_match( '/^\[[a-zA-Z0-9_-]+[^\]]*\]$/', $clean['shortcode'] ) ) {
wp_send_json_error( array( 'message' => 'That does not look like a shortcode. It should look like [contact-form-7 id="123"].' ) );
}
update_option( 'cwp_ai_form', $clean );
wp_send_json_success(
array(
'message' => 'shortcode' === $clean['mode']
? 'Saved. The chat now shows your own form.'
: 'Saved. The chat shows the built-in form.',
)
);
}
);