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<?php
/**
* Form front-end rendering.
*
* @since 1.0.0
*/
class WPForms_Frontend {
/**
* Store form data to be referenced later.
*
* @since 1.0.0
*
* @var array
*/
public $forms;
/**
* Store information for multi-page forms.
*
* Forms that do not contain pages return false, otherwise returns an array
* that contains the number of total pages and page counter used when
* displaying pagebreak fields.
*
* @since 1.3.7
*
* @var array
*/
public $pages = false;
/**
* Store a form confirmation message.
*
* @since 1.4.8
*
* @todo Remove in favor of \WPForms_Process::$confirmation_message().
*
* @var string
*/
public $confirmation_message = '';
/**
* If the active form confirmation should auto scroll.
*
* @since 1.4.9
*
* @var bool
*/
public $confirmation_message_scroll = false;
/**
* Whether ChoiceJS library has already been enqueued on the front end.
* This lib is used in different fields that can enqueue it separately,
* and we use this property to avoid config duplication.
*
* @since 1.6.3
*
* @var bool
*/
public $is_choicesjs_enqueued = false;
/**
* Primary class constructor.
*
* @since 1.0.0
*/
public function __construct() {
$this->forms = [];
$this->hooks();
// Register shortcode.
add_shortcode( 'wpforms', [ $this, 'shortcode' ] );
}
/**
* Register hooks.
*
* @since 1.7.7
*/
private function hooks() {
// Filters.
add_filter( 'amp_skip_post', [ $this, 'amp_skip_post' ] );
// Actions.
add_action( 'wpforms_frontend_output_success', [ $this, 'confirmation' ], 10, 3 );
add_action( 'wpforms_frontend_output', [ $this, 'head' ], 5, 5 );
add_action( 'wpforms_frontend_output', [ $this, 'fields' ], 10, 5 );
add_action( 'wpforms_display_field_before', [ $this, 'field_container_open' ], 5, 2 );
add_action( 'wpforms_display_field_before', [ $this, 'field_label' ], 15, 2 );
add_action( 'wpforms_display_field_before', [ $this, 'field_description' ], 20, 2 );
add_action( 'wpforms_display_field_after', [ $this, 'field_error' ], 3, 2 );
add_action( 'wpforms_display_field_after', [ $this, 'field_description' ], 5, 2 );
add_action( 'wpforms_display_field_after', [ $this, 'field_container_close' ], 15, 2 );
add_action( 'wpforms_frontend_output', [ $this, 'recaptcha' ], 20, 5 );
add_action( 'wpforms_frontend_output', [ $this, 'foot' ], 25, 5 );
add_action( 'wp_enqueue_scripts', [ $this, 'assets_header' ] );
add_action( 'wp_enqueue_scripts', [ $this, 'recaptcha_noconflict' ], 9999 );
add_action( 'wp_footer', [ $this, 'assets_footer' ], 15 );
add_action( 'wp_footer', [ $this, 'recaptcha_noconflict' ], 19 );
add_action( 'wp_footer', [ $this, 'missing_assets_error_js' ], 20 );
add_action( 'wp_footer', [ $this, 'footer_end' ], 99 );
}
/**
* Get the amp-state ID for a given form.
*
* @since 1.5.4.2
*
* @param int $form_id Form ID.
*
* @return string State ID.
*/
protected function get_form_amp_state_id( $form_id ) {
return sprintf( 'wpforms_form_state_%d', $form_id );
}
/**
* Disable AMP if query param is detected.
*
* This allows the full form to be accessible for Pro users or sites
* that do not have SSL.
*
* @since 1.5.3
*
* @param bool $skip Skip AMP mode, display full post.
*
* @return bool
*/
public function amp_skip_post( $skip ) {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
return isset( $_GET['nonamp'] ) ? true : $skip;
}
/**
* Primary function to render a form on the frontend.
*
* @since 1.0.0
*
* @param int $id Form ID.
* @param bool $title Whether to display form title.
* @param bool $description Whether to display form description.
*/
public function output( $id, $title = false, $description = false ) {
if ( empty( $id ) ) {
return;
}
// Grab the form data, if not found then we bail.
$form = wpforms()->get( 'form' )->get( (int) $id );
if ( empty( $form ) ) {
return;
}
// We should display only the published form.
if ( ! empty( $form->post_status ) && $form->post_status !== 'publish' ) {
return;
}
// Basic information.
/**
* Filter frontend form data.
*
* @since 1.4.3
*
* @param array $form_data Form data.
*/
$form_data = apply_filters( 'wpforms_frontend_form_data', wpforms_decode( $form->post_content ) );
$form_id = absint( $form->ID );
$action = esc_url_raw( remove_query_arg( 'wpforms' ) );
$errors = empty( wpforms()->process->errors[ $form_id ] ) ? [] : wpforms()->process->errors[ $form_id ];
$title = filter_var( $title, FILTER_VALIDATE_BOOLEAN );
$description = filter_var( $description, FILTER_VALIDATE_BOOLEAN );
/**
* Is the form is empty?
* Check before output the form on the frontend.
*
* @since 1.7.7
*
* @param bool $form_is_empty Is the form is empty?
* @param array $form_data Form data.
*/
$form_is_empty = apply_filters( 'wpforms_frontend_output_form_is_empty', empty( $form_data['fields'] ), $form_data );
// If the form does not contain any fields - do not proceed.
if ( $form_is_empty ) {
echo '<!-- WPForms: no fields, form hidden -->';
return;
}
// We need to stop output processing in case we are on AMP page.
if (
// phpcs:disable WPForms.PHP.ValidateHooks.InvalidHookName
wpforms_is_amp( false ) &&
(
! current_theme_supports( 'amp' ) ||
/**
* Filters the pro status of the plugin.
*
* @since 1.5.4.2
*
* @param bool $pro Pro status..
*/
apply_filters( 'wpforms_amp_pro', wpforms()->is_pro() ) ||
! is_ssl() ||
! defined( 'AMP__VERSION' ) ||
version_compare( AMP__VERSION, '1.2', '<' )
)
// phpcs:enable WPForms.PHP.ValidateHooks.InvalidHookName
) {
$full_page_url = home_url( add_query_arg( 'nonamp', '1' ) . '#wpforms-' . absint( $form->ID ) );
/**
* Allow modifying the text or url for the full page on the AMP pages.
*
* @since 1.4.1.1
* @since 1.7.1 Added $form_id, $full_page_url, and $form_data arguments.
*
* @param string $text Text.
* @param int $form_id Form id.
* @param string $full_page_url Full page url.
* @param array $form_data Form data and settings.
*
* @return string
*/
$text = (string) apply_filters(
'wpforms_frontend_shortcode_amp_text',
sprintf( /* translators: %s - URL to a non-amp version of a page with the form. */
__( '<a href="%s">Go to the full page</a> to view and submit the form.', 'wpforms-lite' ),
esc_url( $full_page_url )
),
$form_id,
$full_page_url,
$form_data
);
printf(
'<p class="wpforms-shortcode-amp-text">%s</p>',
wp_kses_post( $text )
);
return;
}
// Add url query var wpforms_form_id to track post_max_size overflows.
if ( in_array( 'file-upload', wp_list_pluck( $form_data['fields'], 'type' ), true ) ) {
$action = add_query_arg( 'wpforms_form_id', $form_id, $action );
}
/**
* Fires before frontend output.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
do_action( 'wpforms_frontend_output_before', $form_data, $form );
// Check for return hash.
if (
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
! empty( $_GET['wpforms_return'] ) &&
wpforms()->process->valid_hash &&
absint( wpforms()->process->form_data['id'] ) === $form_id
) {
$this->form_container_open( $form_data, $form );
do_action( 'wpforms_frontend_output_success', wpforms()->process->form_data, wpforms()->process->fields, wpforms()->process->entry_id );
// phpcs:ignore WordPress.Security.NonceVerification.Missing
wpforms_debug_data( $_POST );
$this->form_container_close( $form_data, $form );
return;
}
// Check for error-free completed form.
if (
empty( $errors ) &&
! empty( $form_data ) &&
! empty( $_POST['wpforms']['id'] ) &&
absint( $_POST['wpforms']['id'] ) === $form_id
) {
$is_ajax = wp_doing_ajax();
// There is no need for a container wrapper when a form is submitted through AJAX.
if ( ! $is_ajax ) {
$this->form_container_open( $form_data, $form );
}
do_action( 'wpforms_frontend_output_success', $form_data, false, false );
if ( ! $is_ajax ) {
$this->form_container_close( $form_data, $form );
}
// phpcs:ignore WordPress.Security.NonceVerification.Missing
wpforms_debug_data( $_POST );
return;
}
// Allow filter to return early if some condition is not met.
if ( ! apply_filters( 'wpforms_frontend_load', true, $form_data, null ) ) {
$this->form_container_open( $form_data, $form );
do_action( 'wpforms_frontend_not_loaded', $form_data, $form );
$this->form_container_close( $form_data, $form );
return;
}
// All checks have passed, so calculate multi-page details for the form.
$pages = wpforms_get_pagebreak_details( $form_data );
if ( $pages ) {
$this->pages = $pages;
} else {
$this->pages = false;
}
/**
* Allow modifying a form action attribute.
*
* @since 1.1.2
*
* @param string $action Action attribute.
* @param array $form_data Form data and settings.
* @param null $deprecated A deprecated argument.
*/
$action = apply_filters( 'wpforms_frontend_form_action', $action, $form_data, null );
$form_classes = [ 'wpforms-validate', 'wpforms-form' ];
if ( ! empty( $form_data['settings']['ajax_submit'] ) && ! wpforms_is_amp() ) {
$form_classes[] = 'wpforms-ajax-form';
}
$form_atts = [
'id' => sprintf( 'wpforms-form-%d', absint( $form_id ) ),
'class' => $form_classes,
'data' => [
'formid' => absint( $form_id ),
],
'atts' => [
'method' => 'post',
'enctype' => 'multipart/form-data',
'action' => esc_url( $action ),
],
];
if ( wpforms_is_amp() ) {
// Set submitting state.
if ( ! isset( $form_atts['atts']['on'] ) ) {
$form_atts['atts']['on'] = '';
} else {
$form_atts['atts']['on'] .= ';';
}
$form_atts['atts']['on'] .= sprintf(
'submit:AMP.setState( %1$s ); submit-success:AMP.setState( %2$s ); submit-error:AMP.setState( %2$s );',
wp_json_encode(
[
$this->get_form_amp_state_id( $form_id ) => [ 'submitting' => true ],
]
),
wp_json_encode(
[
$this->get_form_amp_state_id( $form_id ) => [ 'submitting' => false ],
]
)
);
// Upgrade the form to be an amp-form to avoid sanitizer conversion.
if ( isset( $form_atts['atts']['action'] ) ) {
$form_atts['atts']['action-xhr'] = $form_atts['atts']['action'];
unset( $form_atts['atts']['action'] );
$form_atts['atts']['verify-xhr'] = $form_atts['atts']['action-xhr'];
}
}
/**
* Allow modifying form attributes.
*
* @since 1.4.5
*
* @param array $form_atts Form attributes.
* @param array $form_data Form data and settings.
*/
$form_atts = apply_filters( 'wpforms_frontend_form_atts', $form_atts, $form_data );
$this->form_container_open( $form_data, $form );
do_action( 'wpforms_frontend_output_form_before', $form_data, $form );
echo '<form ' . wpforms_html_attributes( $form_atts['id'], $form_atts['class'], $form_atts['data'], $form_atts['atts'] ) . '>';
if ( wpforms_is_amp() ) {
$state = [
'submitting' => false,
];
printf(
'<amp-state id="%s"><script type="application/json">%s</script></amp-state>',
$this->get_form_amp_state_id( $form_id ),
wp_json_encode( $state )
);
}
do_action( 'wpforms_frontend_output', $form_data, null, $title, $description, $errors );
echo '</form>';
/**
* Allow adding content after a form.
*
* @since 1.5.4.2
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
do_action( 'wpforms_frontend_output_form_after', $form_data, $form );
$this->form_container_close( $form_data, $form );
// Add form to class property that tracks all forms in a page.
$this->forms[ $form_id ] = $form_data;
// Optional debug information if WPFORMS_DEBUG is defined.
wpforms_debug_data( $_POST ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
/**
* Fires after frontend output.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
do_action( 'wpforms_frontend_output_after', $form_data, $form );
}
/**
* Display form confirmation message.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param array $fields Sanitized field data.
* @param int $entry_id Entry id.
*/
public function confirmation( $form_data, $fields = array(), $entry_id = 0 ) {
$class = intval( wpforms_setting( 'disable-css', '1' ) ) === 1 ? 'wpforms-confirmation-container-full' : 'wpforms-confirmation-container';
// In AMP, just print template.
if ( wpforms_is_amp() ) {
$this->assets_confirmation( $form_data );
printf( '<div submit-success><template type="amp-mustache"><div class="%s {{#redirecting}}wpforms-redirection-message{{/redirecting}}">{{{message}}}</div></template></div>', esc_attr( $class ) );
return;
}
if ( empty( $fields ) ) {
$fields = ! empty( $_POST['wpforms']['complete'] ) ? $_POST['wpforms']['complete'] : array();
}
if ( empty( $entry_id ) ) {
$entry_id = ! empty( $_POST['wpforms']['entry_id'] ) ? $_POST['wpforms']['entry_id'] : 0;
}
$confirmation = wpforms()->get( 'process' )->get_current_confirmation();
$confirmation_message = wpforms()->get( 'process' )->get_confirmation_message( $form_data, $fields, $entry_id );
// Only display if a confirmation message has been configured.
if ( empty( $confirmation ) || empty( $confirmation_message ) ) {
return;
}
// Load confirmation specific assets.
$this->assets_confirmation( $form_data );
/**
* Fires once before the confirmation message.
*
* @since 1.6.9
*
* @param array $confirmation Current confirmation data.
* @param array $form_data Form data and settings.
* @param array $fields Sanitized field data.
* @param int $entry_id Entry id.
*/
do_action( 'wpforms_frontend_confirmation_message_before', $confirmation, $form_data, $fields, $entry_id );
$class .= $this->confirmation_message_scroll ? ' wpforms-confirmation-scroll' : '';
printf(
'<div class="%s" id="wpforms-confirmation-%d">%s</div>',
wpforms_sanitize_classes( $class ),
absint( $form_data['id'] ),
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
$confirmation_message
);
/**
* Fires once after the confirmation message.
*
* @since 1.6.9
*
* @param array $confirmation Current confirmation data.
* @param array $form_data Form data and settings.
* @param array $fields Sanitized field data.
* @param int $entry_id Entry id.
*/
do_action( 'wpforms_frontend_confirmation_message_after', $confirmation, $form_data, $fields, $entry_id );
}
/**
* Form container classes.
*
* @since 1.7.9
*
* @param array $form_data Form data and settings.
*
* @return array
*/
private function get_container_classes( $form_data ) {
$classes = (int) wpforms_setting( 'disable-css', '1' ) === 1 ? [ 'wpforms-container-full' ] : [];
/**
* Allow form container classes to be filtered and user defined classes.
*
* @since 1.0.0
*
* @param array $classes Classes.
* @param array $form_data Form data and settings.
*/
$classes = apply_filters( 'wpforms_frontend_container_class', $classes, $form_data );
if ( ! empty( $form_data['settings']['form_class'] ) ) {
$classes = array_merge( $classes, explode( ' ', $form_data['settings']['form_class'] ) );
}
return $classes;
}
/**
* Display the opening container markup for a form.
*
* @since 1.7.9
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
private function form_container_open( $form_data, $form ) {
/**
* Fires before container open tag.
*
* @since 1.5.4.2
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
do_action( 'wpforms_frontend_output_container_before', $form_data, $form );
$classes = $this->get_container_classes( $form_data );
printf( '<div class="wpforms-container %s" id="wpforms-%d">', wpforms_sanitize_classes( $classes, true ), absint( $form->ID ) );
}
/**
* Display the closing container markup for a form.
*
* @since 1.7.9
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
private function form_container_close( $form_data, $form ) {
echo '</div> <!-- .wpforms-container -->';
/**
* Fires after container close tag.
*
* @since 1.5.4.2
*
* @param array $form_data Form data and settings.
* @param WP_Post $form Form post type.
*/
do_action( 'wpforms_frontend_output_container_after', $form_data, $form );
}
/**
* Form head area, for displaying form title and description if enabled.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param null $deprecated Deprecated in v1.3.7, previously was $form object.
* @param bool $title Whether to display form title.
* @param bool $description Whether to display form description.
* @param array $errors List of all errors filled in WPForms_Process::process().
*/
public function head( $form_data, $deprecated, $title, $description, $errors ) {
$settings = $form_data['settings'];
// Output title and/or description.
if ( $title === true || $description === true ) {
echo '<div class="wpforms-head-container">';
if ( $title === true && ! empty( $settings['form_title'] ) ) {
echo '<div class="wpforms-title">' . esc_html( $settings['form_title'] ) . '</div>';
}
if ( $description === true && ! empty( $settings['form_desc'] ) ) {
echo '<div class="wpforms-description">';
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
echo wpforms_process_smart_tags( $settings['form_desc'], $form_data );
echo '</div>';
}
echo '</div>';
}
// Output <noscript> error message.
$noscript_msg = apply_filters( 'wpforms_frontend_noscript_error_message', __( 'Please enable JavaScript in your browser to complete this form.', 'wpforms-lite' ), $form_data );
if ( ! empty( $noscript_msg ) && ! empty( $form_data['fields'] ) && ! wpforms_is_amp() ) {
echo '<noscript class="wpforms-error-noscript">' . esc_html( $noscript_msg ) . '</noscript>';
}
// Output header errors if they exist.
if ( ! empty( $errors['header'] ) ) {
$this->form_error( 'header', $errors['header'] );
}
}
/**
* Form field area.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param null $deprecated Deprecated in v1.3.7, previously was $form object.
* @param bool $title Whether to display form title.
* @param bool $description Whether to display form description.
* @param array $errors List of all errors filled in WPForms_Process::process().
*/
public function fields( $form_data, $deprecated, $title, $description, $errors ) {
// Obviously we need to have form fields to proceed.
if ( empty( $form_data['fields'] ) ) {
return;
}
/**
* Filters the base level fields on the frontend.
*
* @since 1.7.7
*
* @param array $fields_data Form fields data.
*/
$fields = (array) apply_filters( 'wpforms_frontend_fields_base_level', $form_data['fields'] );
// Form fields area.
echo '<div class="wpforms-field-container">';
/**
* Core actions on this hook:
* Priority / Description
* 20 Pagebreak markup (open first page).
*
* @since 1.3.7
*
* @param array $form_data Form data.
*/
do_action( 'wpforms_display_fields_before', $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
// Loop through all the fields we have.
foreach ( $fields as $field ) {
$this->render_field( $form_data, $field );
}
/**
* Core actions on this hook:
* Priority / Description
* 5 Pagebreak markup (close last page).
*
* @since 1.3.7
*
* @param array $form_data Form data.
*/
do_action( 'wpforms_display_fields_after', $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
echo '</div>';
}
/**
* Return base attributes for a specific field. This is deprecated and
* exists for backwards-compatibility purposes. Use field properties instead.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
*
* @return array
*/
public function get_field_attributes( $field, $form_data ) {
$form_id = absint( $form_data['id'] );
$field_id = absint( $field['id'] );
$attributes = [
'field_class' => [ 'wpforms-field', 'wpforms-field-' . sanitize_html_class( $field['type'] ) ],
'field_id' => [ sprintf( 'wpforms-%d-field_%d-container', $form_id, $field_id ) ],
'field_style' => '',
'label_class' => [ 'wpforms-field-label' ],
'label_id' => '',
'description_class' => [ 'wpforms-field-description' ],
'description_id' => [],
'input_id' => [ sprintf( 'wpforms-%d-field_%d', $form_id, $field_id ) ],
'input_class' => [],
'input_data' => [],
];
// Check user field defined classes.
if ( ! empty( $field['css'] ) ) {
$attributes['field_class'] = array_merge( $attributes['field_class'], wpforms_sanitize_classes( $field['css'], true ) );
}
// Check for input column layouts.
if ( ! empty( $field['input_columns'] ) ) {
if ( $field['input_columns'] === '2' ) {
$attributes['field_class'][] = 'wpforms-list-2-columns';
} elseif ( $field['input_columns'] === '3' ) {
$attributes['field_class'][] = 'wpforms-list-3-columns';
} elseif ( $field['input_columns'] === 'inline' ) {
$attributes['field_class'][] = 'wpforms-list-inline';
}
}
// Check label visibility.
if ( ! empty( $field['label_hide'] ) ) {
$attributes['label_class'][] = 'wpforms-label-hide';
}
// Check size.
if ( ! empty( $field['size'] ) ) {
$attributes['input_class'][] = 'wpforms-field-' . sanitize_html_class( $field['size'] );
}
// Check if required.
if ( ! empty( $field['required'] ) ) {
$attributes['input_class'][] = 'wpforms-field-required';
}
// Check if there are errors.
if ( ! empty( wpforms()->process->errors[ $form_id ][ $field_id ] ) ) {
$attributes['input_class'][] = 'wpforms-error';
}
// This filter is deprecated, filter the properties (below) instead.
$attributes = apply_filters( 'wpforms_field_atts', $attributes, $field, $form_data );
return $attributes;
}
/**
* Return base properties for a specific field.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
* @param array $attributes List of field attributes.
*
* @return array
*/
public function get_field_properties( $field, $form_data, $attributes = array() ) {
if ( empty( $attributes ) ) {
$attributes = $this->get_field_attributes( $field, $form_data );
}
// This filter is for backwards compatibility purposes.
$types = [ 'text', 'textarea', 'name', 'number', 'email', 'hidden', 'url', 'html', 'divider', 'password', 'phone', 'address', 'select', 'checkbox', 'radio' ];
if ( in_array( $field['type'], $types, true ) ) {
$filtered_field = apply_filters( "wpforms_{$field['type']}_field_display", $field, $attributes, $form_data );
$field = wpforms_list_intersect_key( (array) $filtered_field, $field );
} elseif ( $field['type'] === 'credit-card' ) {
$filtered_field = apply_filters( 'wpforms_creditcard_field_display', $field, $attributes, $form_data );
$field = wpforms_list_intersect_key( (array) $filtered_field, $field );
} elseif ( in_array( $field['type'], [ 'payment-multiple', 'payment-single', 'payment-checkbox' ], true ) ) {
$filter_field_type = str_replace( '-', '_', $field['type'] );
$filtered_field = apply_filters( 'wpforms_' . $filter_field_type . '_field_display', $field, $attributes, $form_data );
$field = wpforms_list_intersect_key( (array) $filtered_field, $field );
}
$form_id = absint( $form_data['id'] );
$field_id = absint( $field['id'] );
$error = ! empty( wpforms()->process->errors[ $form_id ][ $field_id ] ) ? wpforms()->process->errors[ $form_id ][ $field_id ] : '';
$properties = [
'container' => [
'attr' => [
'style' => $attributes['field_style'],
],
'class' => $attributes['field_class'],
'data' => [],
'id' => implode( '', array_slice( $attributes['field_id'], 0 ) ),
],
'label' => [
'attr' => [
'for' => sprintf( 'wpforms-%d-field_%d', $form_id, $field_id ),
],
'class' => $attributes['label_class'],
'data' => [],
'disabled' => ! empty( $field['label_disable'] ) ? true : false,
'hidden' => ! empty( $field['label_hide'] ) ? true : false,
'id' => $attributes['label_id'],
'required' => ! empty( $field['required'] ) ? true : false,
'value' => ! empty( $field['label'] ) ? $field['label'] : '',
],
'inputs' => [
'primary' => [
'attr' => [
'name' => "wpforms[fields][{$field_id}]",
'value' => isset( $field['default_value'] ) ? wpforms_process_smart_tags( $field['default_value'], $form_data ) : '',
'placeholder' => isset( $field['placeholder'] ) ? $field['placeholder'] : '',
],
'class' => $attributes['input_class'],
'data' => $attributes['input_data'],
'id' => implode( array_slice( $attributes['input_id'], 0 ) ),
'required' => ! empty( $field['required'] ) ? 'required' : '',
],
],
'error' => [
'attr' => [
'for' => sprintf( 'wpforms-%d-field_%d', $form_id, $field_id ),
],
'class' => [ 'wpforms-error' ],
'data' => [],
'id' => '',
'value' => $error,
],
'description' => [
'attr' => [],
'class' => $attributes['description_class'],
'data' => [],
'id' => implode( '', array_slice( $attributes['description_id'], 0 ) ),
'position' => 'after',
'value' => ! empty( $field['description'] ) ? wpforms_process_smart_tags( $field['description'], $form_data ) : '',
],
];
$properties = apply_filters( "wpforms_field_properties_{$field['type']}", $properties, $field, $form_data );
$properties = apply_filters( 'wpforms_field_properties', $properties, $field, $form_data );
return $properties;
}
/**
* Display the opening container markup for each field.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
*/
public function field_container_open( $field, $form_data ) {
$container = $field['properties']['container'];
$container['data']['field-id'] = absint( $field['id'] );
printf(
'<div %s>',
wpforms_html_attributes( $container['id'], $container['class'], $container['data'], $container['attr'] )
);
}
/**
* Display the label for each field.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
*/
public function field_label( $field, $form_data ) {
$label = $field['properties']['label'];
// If the label is empty or disabled don't proceed.
if ( empty( $label['value'] ) || $label['disabled'] ) {
return;
}
$required = $label['required'] ? wpforms_get_field_required_label() : '';
printf(
'<label %s>%s%s</label>',
wpforms_html_attributes( $label['id'], $label['class'], $label['data'], $label['attr'] ),
esc_html( $label['value'] ),
// phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
$required
);
}
/**
* Display any errors for each field.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
*/
public function field_error( $field, $form_data ) {
$error = $field['properties']['error'];
// If there are no errors don't proceed.
// Advanced fields with multiple inputs (address, name, etc) errors
// will be an array and are handled within the respective field class.
if ( empty( $error['value'] ) || is_array( $error['value'] ) ) {
return;
}
printf(
'<label %s>%s</label>',
wpforms_html_attributes( $error['id'], $error['class'], $error['data'], $error['attr'] ),
esc_html( $error['value'] )
);
}
/**
* Display the description for each field.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
*/
public function field_description( $field, $form_data ) {
$action = current_action();
$description = $field['properties']['description'];
// If the description is empty don't proceed.
if ( empty( $description['value'] ) ) {
return;
}
// Determine positioning.
if ( $action === 'wpforms_display_field_before' && $description['position'] !== 'before' ) {
return;
}
if ( $action === 'wpforms_display_field_after' && $description['position'] !== 'after' ) {
return;
}
if ( $description['position'] === 'before' ) {
$description['class'][] = 'before';
}
printf(
'<div %s>%s</div>',
wpforms_html_attributes( $description['id'], $description['class'], $description['data'], $description['attr'] ),
do_shortcode( $description['value'] )
);
}
/**
* Display the closing container markup for each field.
*
* @since 1.3.7
*
* @param array $field Field data and settings.
* @param array $form_data Form data and settings.
*/
public function field_container_close( $field, $form_data ) {
echo '</div>';
}
/**
* Anti-spam honeypot output if configured.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param null $deprecated Deprecated in v1.3.7, previously was $form object.
* @param bool $title Whether to display form title.
* @param bool $description Whether to display form description.
* @param array $errors List of all errors filled in WPForms_Process::process().
*/
public function honeypot( $form_data, $deprecated, $title, $description, $errors ) {
if (
empty( $form_data['settings']['honeypot'] ) ||
$form_data['settings']['honeypot'] !== '1'
) {
return;
}
$names = [ 'Name', 'Phone', 'Comment', 'Message', 'Email', 'Website' ];
echo '<div class="wpforms-field wpforms-field-hp">';
// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
echo '<label for="wpforms-' . $form_data['id'] . '-field-hp" class="wpforms-field-label">' . $names[ array_rand( $names ) ] . '</label>';
echo '<input type="text" name="wpforms[hp]" id="wpforms-' . $form_data['id'] . '-field-hp" class="wpforms-field-medium">';
// phpcs:enable WordPress.Security.EscapeOutput.OutputNotEscaped
echo '</div>';
}
/**
* CAPTCHA output if configured.
*
* @since 1.0.0
* @since 1.6.4 Added hCaptcha support.
*
* @param array $form_data Form data and settings.
* @param null $deprecated Deprecated in v1.3.7, previously was $form object.
* @param bool $title Whether to display form title.
* @param bool $description Whether to display form description.
* @param array $errors List of all errors filled in WPForms_Process::process().
*/
public function recaptcha( $form_data, $deprecated, $title, $description, $errors ) {
// Check that CAPTCHA is configured in the settings.
$captcha_settings = wpforms_get_captcha_settings();
if (
empty( $captcha_settings['provider'] ) ||
$captcha_settings['provider'] === 'none' ||
empty( $captcha_settings['site_key'] ) ||
empty( $captcha_settings['secret_key'] )
) {
return;
}
// Check that the CAPTCHA is configured for the specific form.
if (
! isset( $form_data['settings']['recaptcha'] ) ||
$form_data['settings']['recaptcha'] !== '1'
) {
return;
}
$is_recaptcha_v3 = $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'v3';
if ( wpforms_is_amp() ) {
if ( $is_recaptcha_v3 ) {
printf(
'<amp-recaptcha-input name="wpforms[recaptcha]" data-sitekey="%s" data-action="%s" layout="nodisplay"></amp-recaptcha-input>',
esc_attr( $captcha_settings['site_key'] ),
esc_attr( 'wpforms_' . $form_data['id'] )
);
} elseif ( is_super_admin() ) {
$captcha_provider = $captcha_settings['provider'] === 'hcaptcha' ? esc_html__( 'hCaptcha', 'wpforms-lite' ) : esc_html__( 'Google reCAPTCHA v2', 'wpforms-lite' );
echo '<div class="wpforms-notice wpforms-warning" style="margin: 20px 0;">';
printf(
wp_kses(
/* translators: %1$s - CAPTCHA provider name; %2$s - URL to reCAPTCHA documentation. */
__( '%1$s is not supported by AMP and is currently disabled.<br><a href="%2$s" rel="noopener noreferrer" target="_blank">Upgrade to reCAPTCHA v3</a> for full AMP support. <br><em>Please note: this message is only displayed to site administrators.</em>', 'wpforms-lite' ),
[
'a' => [
'href' => [],
'rel' => [],
'target' => [],
],
'br' => [],
'em' => [],
]
),
$captcha_provider, // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
'https://wpforms.com/docs/setup-captcha-wpforms/'
);
echo '</div>';
}
return; // Only v3 is supported in AMP.
}
if ( $is_recaptcha_v3 ) {
echo '<input type="hidden" name="wpforms[recaptcha]" value="">';
return;
}
$data = apply_filters(
'wpforms_frontend_recaptcha',
[
'sitekey' => $captcha_settings['site_key'],
],
$form_data
);
if ( $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'invisible' ) {
$data['size'] = 'invisible';
}
printf(
'<div class="wpforms-recaptcha-container wpforms-is-%s"%s>',
sanitize_html_class( $captcha_settings['provider'] ),
$this->pages ? ' style="display:none;"' : ''
);
echo '<div ' . wpforms_html_attributes( '', [ 'g-recaptcha' ], $data ) . '></div>';
if ( $captcha_settings['provider'] === 'hcaptcha' || $captcha_settings['recaptcha_type'] !== 'invisible' ) {
echo '<input type="text" name="g-recaptcha-hidden" class="wpforms-recaptcha-hidden" style="position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;" required>';
}
if ( ! empty( $errors['recaptcha'] ) ) {
$this->form_error( 'recaptcha', $errors['recaptcha'] );
}
echo '</div>';
}
/**
* Form footer area.
*
* @since 1.0.0
*
* @param array $form_data Form data and settings.
* @param null $deprecated Deprecated in v1.3.7, previously was $form object.
* @param bool $title Whether to display form title.
* @param bool $description Whether to display form description.
* @param array $errors List of all errors filled in WPForms_Process::process().
*/
public function foot( $form_data, $deprecated, $title, $description, $errors ) {
$form_id = absint( $form_data['id'] );
$settings = $form_data['settings'];
/**
* Filter form submit button text.
*
* @since 1.0.0
*
* @param string $submit_text Submit button text.
* @param array $form_data Form data.
*/
$submit = apply_filters( 'wpforms_field_submit', $settings['submit_text'], $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
$attrs = [
'aria-live' => 'assertive',
'value' => 'wpforms-submit',
];
$data_attrs = [];
/**
* Filter form submit button classes.
*
* @since 1.7.5.3
*
* @param array $classes Button classes.
* @param array $form_data Form data.
*/
$classes = (array) apply_filters( 'wpforms_frontend_foot_submit_classes', [], $form_data );
// A lot of our frontend logic is dependent on this class, so we need to make sure it's present.
$classes = array_merge( $classes, [ 'wpforms-submit' ] );
// Check for submit button alt-text.
if ( ! empty( $settings['submit_text_processing'] ) ) {
if ( wpforms_is_amp() ) {
$attrs['[text]'] = sprintf(
'%s.submitting ? %s : %s',
$this->get_form_amp_state_id( $form_id ),
wp_json_encode( $settings['submit_text_processing'], JSON_UNESCAPED_UNICODE ),
wp_json_encode( $submit, JSON_UNESCAPED_UNICODE )
);
} else {
$data_attrs['alt-text'] = $settings['submit_text_processing'];
$data_attrs['submit-text'] = $submit;
}
}
// Check user defined submit button classes.
if ( ! empty( $settings['submit_class'] ) ) {
$submit_classes = is_array( $settings['submit_class'] ) ? $settings['submit_class'] : array_filter( explode( ' ', $settings['submit_class'] ) );
$classes = array_merge( $classes, $submit_classes );
}
// AMP submit error template.
if ( wpforms_is_amp() ) {
echo '<div submit-error><template type="amp-mustache"><div class="wpforms-error-container"><p>{{{message}}}</p></div></template></div>';
}
// Output footer errors if they exist.
if ( ! empty( $errors['footer'] ) ) {
$this->form_error( 'footer', $errors['footer'] );
}
// Submit button area.
printf( '<div class="wpforms-submit-container"%s>', $this->pages ? ' style="display:none;"' : '' );
echo '<input type="hidden" name="wpforms[id]" value="' . absint( $form_id ) . '">';
if ( is_user_logged_in() ) {
?>
<input
type="hidden"
name="wpforms[nonce]"
value="<?php echo esc_attr( wp_create_nonce( "wpforms::form_{$form_id}" ) ); ?>"
/>
<?php
}
echo '<input type="hidden" name="wpforms[author]" value="' . absint( get_the_author_meta( 'ID' ) ) . '">';
if ( is_singular() ) {
echo '<input type="hidden" name="wpforms[post_id]" value="' . absint( get_the_ID() ) . '">';
}
do_action( 'wpforms_display_submit_before', $form_data );
printf(
'<button type="submit" name="wpforms[submit]" %s>%s</button>',
wpforms_html_attributes(
sprintf( 'wpforms-submit-%d', absint( $form_id ) ),
$classes,
$data_attrs,
$attrs
),
esc_html( $submit )
);
if ( ! empty( $settings['ajax_submit'] ) && ! wpforms_is_amp() ) {
/**
* Filter submit spinner image src attribute.
*
* @since 1.5.4.1
* @deprecated 1.6.7.3
*
* @see This filter is documented in wp-includes/plugin.php
*/
$src = apply_filters_deprecated(
'wpforms_display_sumbit_spinner_src',
[
WPFORMS_PLUGIN_URL . 'assets/images/submit-spin.svg',
$form_data,
],
'1.6.7.3',
'wpforms_display_submit_spinner_src'
);
/**
* Filter submit spinner image src attribute.
*
* @since 1.6.7.3
*
* @param string $src Spinner image source.
* @param array $form_data Form data and settings.
*/
$src = apply_filters(
'wpforms_display_submit_spinner_src',
$src,
$form_data
);
printf(
'<img src="%s" class="wpforms-submit-spinner" style="display: none;" width="26" height="26" alt="%s">',
esc_url( $src ),
esc_attr__( 'Loading', 'wpforms-lite' )
);
}
/**
* Runs right after form Submit button rendering.
*
* @since 1.5.0
* @since 1.7.5 Added new parameter for detecting button type.
*
* @param array $form_data Form data.
* @param string $button Button type, e.g. `submit`, `next`.
*/
do_action( 'wpforms_display_submit_after', $form_data, 'submit' ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
echo '</div>';
// Load the success template in AMP.
if ( wpforms_is_amp() ) {
$this->confirmation( $form_data, $form_data['fields'] );
}
}
/**
* Display form error.
*
* @since 1.5.3
*
* @param string $type Error type.
* @param string $error Error text.
*/
public function form_error( $type, $error ) {
switch ( $type ) {
case 'header':
case 'footer':
// phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped
echo '<div class="wpforms-error-container">' . wpautop( wpforms_sanitize_error( $error ) ) . '</div>';
// phpcs:enable WordPress.Security.EscapeOutput.OutputNotEscaped
break;
case 'recaptcha':
echo '<label id="wpforms-field_recaptcha-error" class="wpforms-error">' . wpforms_sanitize_error( $error ) . '</label>';
break;
}
}
/**
* Determine if we should load assets globally.
* If false assets will load conditionally (default).
*
* @since 1.2.4
*
* @return bool
*/
public function assets_global() {
return apply_filters( 'wpforms_global_assets', wpforms_setting( 'global-assets', false ) );
}
/**
* Load the necessary CSS for single pages/posts earlier if possible.
*
* If we are viewing a singular page, then we can check the content early
* to see if the shortcode was used. If not we fallback and load the assets
* later on during the page (widgets, archives, etc).
*
* @since 1.0.0
*/
public function assets_header() {
if ( ! is_singular() ) {
return;
}
global $post;
if (
has_shortcode( $post->post_content, 'wpforms' ) ||
( function_exists( 'has_block' ) && has_block( 'wpforms/form-selector' ) )
) {
$this->assets_css();
}
}
/**
* Load the CSS assets for frontend output.
*
* @since 1.0.0
*/
public function assets_css() {
do_action( 'wpforms_frontend_css', $this->forms );
$min = wpforms_get_min_suffix();
// jQuery date/time library CSS.
if (
$this->assets_global() ||
true === wpforms_has_field_type( 'date-time', $this->forms, true )
) {
wp_enqueue_style(
'wpforms-jquery-timepicker',
WPFORMS_PLUGIN_URL . 'assets/lib/jquery.timepicker/jquery.timepicker.min.css',
[],
'1.11.5'
);
wp_enqueue_style(
'wpforms-flatpickr',
WPFORMS_PLUGIN_URL . 'assets/lib/flatpickr/flatpickr.min.css',
[],
'4.6.9'
);
}
// Load CSS per global setting.
if ( (int) wpforms_setting( 'disable-css', '1' ) === 1 ) {
wp_enqueue_style(
'wpforms-full',
WPFORMS_PLUGIN_URL . "assets/css/wpforms-full{$min}.css",
[],
WPFORMS_VERSION
);
}
if ( (int) wpforms_setting( 'disable-css', '1' ) === 2 ) {
wp_enqueue_style(
'wpforms-base',
WPFORMS_PLUGIN_URL . "assets/css/wpforms-base{$min}.css",
[],
WPFORMS_VERSION
);
}
}
/**
* Load the JS assets for frontend output.
*
* @since 1.0.0
*/
public function assets_js() {
if ( wpforms_is_amp() ) {
return;
}
/**
* Fire before frontend JS assets are loaded.
*
* @since 1.0.0
*
* @param array $forms Forms on the current page.
*/
do_action( 'wpforms_frontend_js', $this->forms );
$min = wpforms_get_min_suffix();
// Load jQuery validation library - https://jqueryvalidation.org/.
wp_enqueue_script(
'wpforms-validation',
WPFORMS_PLUGIN_URL . 'assets/lib/jquery.validate.min.js',
[ 'jquery' ],
'1.19.5',
true
);
// Load jQuery date/time libraries.
// TODO: should be moved out of here.
if (
$this->assets_global() ||
wpforms_has_field_type( 'date-time', $this->forms, true )
) {
wp_enqueue_script(
'wpforms-flatpickr',
WPFORMS_PLUGIN_URL . 'assets/lib/flatpickr/flatpickr.min.js',
[ 'jquery' ],
'4.6.9',
true
);
wp_enqueue_script(
'wpforms-jquery-timepicker',
WPFORMS_PLUGIN_URL . 'assets/lib/jquery.timepicker/jquery.timepicker.min.js',
[ 'jquery' ],
'1.11.5',
true
);
}
// Load jQuery input mask library - https://github.com/RobinHerbots/jquery.inputmask.
if (
$this->assets_global() ||
wpforms_has_field_type( [ 'phone', 'address' ], $this->forms, true ) ||
wpforms_has_field_setting( 'input_mask', $this->forms, true )
) {
wp_enqueue_script(
'wpforms-maskedinput',
WPFORMS_PLUGIN_URL . 'assets/lib/jquery.inputmask.min.js',
[ 'jquery' ],
'5.0.7-beta.29',
true
);
}
// Load mailcheck <https://github.com/mailcheck/mailcheck> and punycode libraries.
if (
$this->assets_global() ||
wpforms_has_field_type( [ 'email' ], $this->forms, true )
) {
wp_enqueue_script(
'wpforms-mailcheck',
WPFORMS_PLUGIN_URL . 'assets/lib/mailcheck.min.js',
false,
'1.1.2',
true
);
wp_enqueue_script(
'wpforms-punycode',
WPFORMS_PLUGIN_URL . 'assets/lib/punycode.min.js',
[],
'1.0.0',
true
);
}
wp_enqueue_script(
'wpforms-generic-utils',
WPFORMS_PLUGIN_URL . "assets/js/utils{$min}.js",
[ 'jquery' ],
WPFORMS_VERSION,
true
);
// Load base JS.
wp_enqueue_script(
'wpforms',
WPFORMS_PLUGIN_URL . "assets/js/wpforms{$min}.js",
[ 'jquery' ],
WPFORMS_VERSION,
true
);
$this->assets_recaptcha();
}
/**
* Load the assets needed for the CAPTCHA.
*
* @since 1.6.2
* @since 1.6.4 Added hCaptcha support.
*/
public function assets_recaptcha() {
// Kill switch for CAPTCHA.
if ( (bool) apply_filters( 'wpforms_frontend_recaptcha_disable', false ) ) {
return;
}
// Load CAPTCHA support if form supports it.
$captcha_settings = wpforms_get_captcha_settings();
if (
empty( $captcha_settings['provider'] ) ||
$captcha_settings['provider'] === 'none' ||
empty( $captcha_settings['site_key'] ) ||
empty( $captcha_settings['secret_key'] )
) {
return;
}
// Whether at least 1 form on a page has CAPTCHA enabled.
$captcha = false;
foreach ( $this->forms as $form ) {
if ( ! empty( $form['settings']['recaptcha'] ) ) {
$captcha = true;
break;
}
}
// Return early.
if ( ! $captcha && ! $this->assets_global() ) {
return;
}
$is_recaptcha_v3 = $captcha_settings['provider'] === 'recaptcha' && $captcha_settings['recaptcha_type'] === 'v3';
$captcha_api = 'hcaptcha' === $captcha_settings['provider'] ? 'https://hcaptcha.com/1/api.js?onload=wpformsRecaptchaLoad&render=explicit' : apply_filters( 'wpforms_frontend_recaptcha_url', 'https://www.google.com/recaptcha/api.js?onload=wpformsRecaptchaLoad&render=explicit' ); // BC: reCAPTCHA v3 don't filtered.
$captcha_api = $is_recaptcha_v3 ? 'https://www.google.com/recaptcha/api.js?render=' . $captcha_settings['site_key'] : $captcha_api;
/**
* Filter the CAPTCHA API URL.
*
* @since 1.6.4
*
* @param string $captcha_api The CAPTCHA API URL.
*/
$captcha_api = apply_filters( 'wpforms_frontend_captcha_api', $captcha_api );
wp_enqueue_script(
'wpforms-recaptcha',
$captcha_api,
$is_recaptcha_v3 ? [] : [ 'jquery' ],
null,
true
);
/**
* Filter the string containing the CAPTCHA javascript to be added.
*
* @since 1.6.4
*
* @param string $captcha_inline The CAPTCHA javascript.
*/
$captcha_inline = apply_filters( 'wpforms_frontend_captcha_inline_script', $this->get_captcha_inline_script( $captcha_settings ) );
wp_add_inline_script( 'wpforms-recaptcha', $captcha_inline );
}
/**
* Retrieve the string containing the CAPTCHA inline javascript.
*
* @since 1.6.4
*
* @param array $captcha_settings The CAPTCHA settings.
*
* @return string
*/
protected function get_captcha_inline_script( $captcha_settings ) {
// IE11 polyfills for native `matches()` and `closest()` methods.
$polyfills = /** @lang JavaScript */
'if (!Element.prototype.matches) {
Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
}
if (!Element.prototype.closest) {
Element.prototype.closest = function (s) {
var el = this;
do {
if (Element.prototype.matches.call(el, s)) { return el; }
el = el.parentElement || el.parentNode;
} while (el !== null && el.nodeType === 1);
return null;
};
}
';
// Native equivalent for jQuery's `trigger()` method.
$dispatch = /** @lang JavaScript */
'var wpformsDispatchEvent = function (el, ev, custom) {
var e = document.createEvent(custom ? "CustomEvent" : "HTMLEvents");
custom ? e.initCustomEvent(ev, true, true, false) : e.initEvent(ev, true, true);
el.dispatchEvent(e);
};
';
// Captcha callback, used by hCaptcha and checkbox reCaptcha v2.
$callback = /** @lang JavaScript */
'var wpformsRecaptchaCallback = function (el) {
var hdn = el.parentNode.querySelector(".wpforms-recaptcha-hidden");
var err = el.parentNode.querySelector("#g-recaptcha-hidden-error");
hdn.value = "1";
wpformsDispatchEvent(hdn, "change", false);
hdn.classList.remove("wpforms-error");
err && hdn.parentNode.removeChild(err);
};
';
if ( $captcha_settings['provider'] === 'hcaptcha' ) {
$data = $dispatch;
$data .= $callback;
$data .= /** @lang JavaScript */
'var wpformsRecaptchaLoad = function () {
Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) {
var captchaID = hcaptcha.render(el, {
callback: function () {
wpformsRecaptchaCallback(el);
}
});
el.setAttribute("data-recaptcha-id", captchaID);
});
wpformsDispatchEvent(document, "wpformsRecaptchaLoaded", true);
};
';
return $data;
}
if ( $captcha_settings['recaptcha_type'] === 'v3' ) {
$data = $dispatch;
$data .= /** @lang JavaScript */
'var wpformsRecaptchaV3Execute = function ( callback ) {
grecaptcha.execute( "' . $captcha_settings['site_key'] . '", { action: "wpforms" } ).then( function ( token ) {
Array.prototype.forEach.call( document.getElementsByName( "wpforms[recaptcha]" ), function ( el ) {
el.value = token;
} );
if ( typeof callback === "function" ) {
return callback();
}
} );
}
grecaptcha.ready( function () {
wpformsDispatchEvent( document, "wpformsRecaptchaLoaded", true );
} );
';
} elseif ( $captcha_settings['recaptcha_type'] === 'invisible' ) {
$data = $polyfills;
$data .= $dispatch;
$data .= /** @lang JavaScript */
'var wpformsRecaptchaLoad = function () {
Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) {
try {
var recaptchaID = grecaptcha.render(el, {
callback: function () {
wpformsRecaptchaCallback(el);
}
}, true);
el.closest("form").querySelector("button[type=submit]").recaptchaID = recaptchaID;
} catch (error) {}
});
wpformsDispatchEvent(document, "wpformsRecaptchaLoaded", true);
};
var wpformsRecaptchaCallback = function (el) {
var $form = el.closest("form");
if (typeof wpforms.formSubmit === "function") {
wpforms.formSubmit($form);
} else {
$form.querySelector("button[type=submit]").recaptchaID = false;
$form.submit();
}
};
';
} else {
$data = $dispatch;
$data .= $callback;
$data .= /** @lang JavaScript */
'var wpformsRecaptchaLoad = function () {
Array.prototype.forEach.call(document.querySelectorAll(".g-recaptcha"), function (el) {
try {
var recaptchaID = grecaptcha.render(el, {
callback: function () {
wpformsRecaptchaCallback(el);
}
});
el.setAttribute("data-recaptcha-id", recaptchaID);
} catch (error) {}
});
wpformsDispatchEvent(document, "wpformsRecaptchaLoaded", true);
};
';
}
return $data;
}
/**
* Load the necessary assets for the confirmation message.
*
* @since 1.1.2
* @since 1.7.9 Added $form_data argument.
*
* @param array $form_data Form data and settings.
*/
public function assets_confirmation( $form_data = [] ) {
$form_data = (array) $form_data;
$min = wpforms_get_min_suffix();
// Base CSS only.
if ( (int) wpforms_setting( 'disable-css', '1' ) === 1 ) {
wp_enqueue_style(
'wpforms-full',
WPFORMS_PLUGIN_URL . "assets/css/wpforms-full{$min}.css",
[],
WPFORMS_VERSION
);
}
// Special confirmation JS.
if ( ! wpforms_is_amp() ) {
wp_enqueue_script(
'wpforms-confirmation',
WPFORMS_PLUGIN_URL . "assets/js/wpforms-confirmation{$min}.js",
[ 'jquery' ],
WPFORMS_VERSION,
true
);
}
/**
* Fires after enqueueing assets on confirmation page have been enqueued.
*
* @since 1.1.2
* @since 1.7.9 Added $form_data argument.
*
* @param array $form_data Form data and settings.
*/
do_action( 'wpforms_frontend_confirmation', $form_data );
}
/**
* Load the assets in footer if needed (archives, widgets, etc).
*
* @since 1.0.0
*/
public function assets_footer() {
if ( empty( $this->forms ) && ! $this->assets_global() ) {
return;
}
$this->assets_css();
$this->assets_js();
do_action( 'wpforms_wp_footer', $this->forms );
}
/**
* Get strings to localize.
*
* @since 1.6.0
*
* @return array Array of strings to localize.
*/
public function get_strings() {
// Define base strings.
$strings = [
'val_required' => wpforms_setting( 'validation-required', esc_html__( 'This field is required.', 'wpforms-lite' ) ),
'val_email' => wpforms_setting( 'validation-email', esc_html__( 'Please enter a valid email address.', 'wpforms-lite' ) ),
'val_email_suggestion' => wpforms_setting(
'validation-email-suggestion',
sprintf( /* translators: %s - suggested email address. */
esc_html__( 'Did you mean %s?', 'wpforms-lite' ),
'{suggestion}'
)
),
'val_email_suggestion_title' => esc_attr__( 'Click to accept this suggestion.', 'wpforms-lite' ),
'val_email_restricted' => wpforms_setting( 'validation-email-restricted', esc_html__( 'This email address is not allowed.', 'wpforms-lite' ) ),
'val_number' => wpforms_setting( 'validation-number', esc_html__( 'Please enter a valid number.', 'wpforms-lite' ) ),
'val_number_positive' => wpforms_setting( 'validation-number-positive', esc_html__( 'Please enter a valid positive number.', 'wpforms-lite' ) ),
'val_confirm' => wpforms_setting( 'validation-confirm', esc_html__( 'Field values do not match.', 'wpforms-lite' ) ),
'val_checklimit' => wpforms_setting( 'validation-check-limit', esc_html__( 'You have exceeded the number of allowed selections: {#}.', 'wpforms-lite' ) ),
'val_limit_characters' => wpforms_setting(
'validation-character-limit',
sprintf( /* translators: %1$s - characters count, %2$s - characters limit. */
esc_html__( '%1$s of %2$s max characters.', 'wpforms-lite' ),
'{count}',
'{limit}'
)
),
'val_limit_words' => wpforms_setting(
'validation-word-limit',
sprintf( /* translators: %1$s - words count, %2$s - words limit. */
esc_html__( '%1$s of %2$s max words.', 'wpforms-lite' ),
'{count}',
'{limit}'
)
),
'val_recaptcha_fail_msg' => wpforms_setting( 'recaptcha-fail-msg', esc_html__( 'Google reCAPTCHA verification failed, please try again later.', 'wpforms-lite' ) ),
'val_inputmask_incomplete' => wpforms_setting( 'validation-inputmask-incomplete', esc_html__( 'Please fill out the field in required format.', 'wpforms-lite' ) ),
'uuid_cookie' => false,
'locale' => wpforms_get_language_code(),
'wpforms_plugin_url' => WPFORMS_PLUGIN_URL,
'gdpr' => wpforms_setting( 'gdpr' ),
'ajaxurl' => admin_url( 'admin-ajax.php' ),
'mailcheck_enabled' => (bool) apply_filters( 'wpforms_mailcheck_enabled', true ),
'mailcheck_domains' => array_map( 'sanitize_text_field', (array) apply_filters( 'wpforms_mailcheck_domains', array() ) ),
'mailcheck_toplevel_domains' => array_map( 'sanitize_text_field', (array) apply_filters( 'wpforms_mailcheck_toplevel_domains', array( 'dev' ) ) ),
'is_ssl' => is_ssl(),
'page_title' => wpforms_process_smart_tags( '{page_title}', [], [], '' ),
'page_id' => wpforms_process_smart_tags( '{page_id}', [], [], '' ),
];
// Include payment related strings if needed.
if ( function_exists( 'wpforms_get_currencies' ) ) {
$currency = wpforms_get_currency();
$currencies = wpforms_get_currencies();
$strings['currency_code'] = $currency;
$strings['currency_thousands'] = isset( $currencies[ $currency ]['thousands_separator'] ) ? $currencies[ $currency ]['thousands_separator'] : ',';
$strings['currency_decimals'] = wpforms_get_currency_decimals( $currencies[ $currency ] );
$strings['currency_decimal'] = isset( $currencies[ $currency ]['decimal_separator'] ) ? $currencies[ $currency ]['decimal_separator'] : '.';
$strings['currency_symbol'] = isset( $currencies[ $currency ]['symbol'] ) ? $currencies[ $currency ]['symbol'] : '$';
$strings['currency_symbol_pos'] = isset( $currencies[ $currency ]['symbol_pos'] ) ? $currencies[ $currency ]['symbol_pos'] : 'left';
}
$strings = apply_filters( 'wpforms_frontend_strings', $strings );
foreach ( (array) $strings as $key => $value ) {
if ( ! is_scalar( $value ) ) {
continue;
}
$strings[ $key ] = html_entity_decode( (string) $value, ENT_QUOTES, 'UTF-8' );
}
return $strings;
}
/**
* Hook at fires at a later priority in wp_footer.
*
* @since 1.0.5
* @since 1.7.0 Load wpforms_settings on the confirmation page for a non-ajax form.
*/
public function footer_end() {
if (
( empty( $this->forms ) && empty( $_POST['wpforms'] ) && ! $this->assets_global() ) || // phpcs:ignore WordPress.Security.NonceVerification.Missing
wpforms_is_amp()
) {
return;
}
$strings = $this->get_strings();
/*
* Below we do our own implementation of wp_localize_script in an effort
* to be better compatible with caching plugins which were causing
* conflicts.
*/
echo "<script type='text/javascript'>\n";
echo "/* <![CDATA[ */\n";
echo 'var wpforms_settings = ' . wp_json_encode( $strings ) . "\n";
echo "/* ]]> */\n";
echo "</script>\n";
do_action( 'wpforms_wp_footer_end', $this->forms );
}
/**
* Google reCAPTCHA no-conflict mode.
*
* When enabled in the WPForms settings, forcefully remove all other
* reCAPTCHA enqueues to prevent conflicts. Filter can be used to target
* specific pages, etc.
*
* @since 1.4.5
* @since 1.6.4 Added hCaptcha support.
*/
public function recaptcha_noconflict() {
$captcha_settings = wpforms_get_captcha_settings();
if (
empty( wpforms_setting( 'recaptcha-noconflict' ) ) ||
empty( $captcha_settings['provider'] ) ||
$captcha_settings['provider'] === 'none' ||
! apply_filters( 'wpforms_frontend_recaptcha_noconflict', true )
) {
return;
}
$scripts = wp_scripts();
$urls = [ 'google.com/recaptcha', 'gstatic.com/recaptcha', 'hcaptcha.com/1' ];
foreach ( $scripts->queue as $handle ) {
// Skip the WPForms javascript-assets.
if (
! isset( $scripts->registered[ $handle ] ) ||
false !== strpos( $scripts->registered[ $handle ]->handle, 'wpforms' )
) {
return;
}
foreach ( $urls as $url ) {
if ( false !== strpos( $scripts->registered[ $handle ]->src, $url ) ) {
wp_dequeue_script( $handle );
wp_deregister_script( $handle );
break;
}
}
}
}
/**
* Shortcode wrapper for the outputting a form.
*
* @since 1.0.0
*
* @param array $atts Shortcode attributes provided by a user.
*
* @return string
*/
public function shortcode( $atts ) {
$defaults = [
'id' => false,
'title' => false,
'description' => false,
];
$atts = shortcode_atts( $defaults, shortcode_atts( $defaults, $atts, 'output' ), 'wpforms' );
ob_start();
$this->output( $atts['id'], $atts['title'], $atts['description'] );
return ob_get_clean();
}
/**
* Inline a script to check if our main js is loaded and display a warning message otherwise.
*
* @since 1.6.4.1
*/
public function missing_assets_error_js() {
/**
* Disable missing assets error js checking.
*
* @since 1.6.6
*
* @param bool $skip False by default, set to True to disable checking.
*/
$skip = (bool) apply_filters( 'wpforms_frontend_missing_assets_error_js_disable', false );
if ( $skip || ! wpforms_current_user_can() ) {
return;
}
if ( empty( $this->forms ) && ! $this->assets_global() ) {
return;
}
if ( wpforms_is_amp() ) {
return;
}
printf( $this->get_missing_assets_error_script(), $this->get_missing_assets_error_message() ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
}
/**
* Get missing assets error script.
*
* @since 1.6.4.1
*
* @return string
*/
private function get_missing_assets_error_script() {
return "<script>
( function() {
function wpforms_js_error_loading() {
if ( typeof window.wpforms !== 'undefined' ) {
return;
}
var forms = document.querySelectorAll( '.wpforms-form' );
if ( ! forms.length ) {
return;
}
var error = document.createElement( 'div' );
error.classList.add( 'wpforms-error-container' );
error.innerHTML = '%s';
forms.forEach( function( form ) {
if ( ! form.querySelector( '.wpforms-error-container' ) ) {
form.insertBefore( error.cloneNode( true ), form.firstChild );
}
} );
};
if ( document.readyState === 'loading' ) {
document.addEventListener( 'DOMContentLoaded', wpforms_js_error_loading );
} else {
wpforms_js_error_loading();
}
}() );
</script>";
}
/**
* Get missing assets error message.
*
* @since 1.6.4.1
*
* @return string
*/
private function get_missing_assets_error_message() {
$message = sprintf(
wp_kses( /* translators: %s - URL to the troubleshooting guide. */
__( 'Heads up! WPForms has detected an issue with JavaScript on this page. JavaScript is required for this form to work properly, so this form may not work as expected. See our <a href="%s" target="_blank" rel="noopener noreferrer">troubleshooting guide</a> to learn more or contact support.', 'wpforms-lite' ),
[
'a' => [
'href' => [],
'target' => [],
'rel' => [],
],
]
),
'https://wpforms.com/docs/getting-support-wpforms/'
);
$message .= '<p>';
$message .= esc_html__( 'This message is only displayed to site administrators.', 'wpforms-lite' );
$message .= '</p>';
return $message;
}
/**
* Render the single field.
*
* @since 1.7.7
*
* @param array $form_data Form data.
* @param array $field Field data.
*/
public function render_field( $form_data, $field ) {
if ( ! has_action( "wpforms_display_field_{$field['type']}" ) ) {
return;
}
/**
* Modify Field before render.
*
* @since 1.4.0
*
* @param array $field Current field.
* @param array $form_data Form data and settings.
*/
$field = (array) apply_filters( 'wpforms_field_data', $field, $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
if ( empty( $field ) ) {
return;
}
// Get field attributes. Deprecated; Customizations should use
// field properties instead.
$attributes = $this->get_field_attributes( $field, $form_data );
// Add properties to the field so it's available everywhere.
$field['properties'] = $this->get_field_properties( $field, $form_data, $attributes );
/**
* Core actions on this hook:
* Priority / Description
* 5 Field opening container markup.
* 15 Field label.
* 20 Field description (depending on position).
*
* @since 1.3.7
*
* @param array $field Field.
* @param array $form_data Form data.
*/
do_action( 'wpforms_display_field_before', $field, $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Individual field classes use this hook to display the actual
* field form elements.
* See `field_display` methods in /includes/fields.
*
* @since 1.3.7
*
* @param array $field Field.
* @param array $attributes Field attributes.
* @param array $form_data Form data.
*/
do_action( "wpforms_display_field_{$field['type']}", $field, $attributes, $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
/**
* Core actions on this hook:
* Priority / Description
* 3 Field error messages.
* 5 Field description (depending on position).
* 15 Field closing container markup.
* 20 Pagebreak markup (close previous page, open next).
*
* @since 1.3.7
*
* @param array $field Field.
* @param array $form_data Form data.
*/
do_action( 'wpforms_display_field_after', $field, $form_data ); // phpcs:ignore WPForms.PHP.ValidateHooks.InvalidHookName
}
}