original_stylesheet = get_stylesheet();
$this->theme = wp_get_theme( $args['theme'] );
$this->messenger_channel = $args['messenger_channel'];
$this->_changeset_uuid = $args['changeset_uuid'];
require_once( ABSPATH . WPINC . '/class-wp-customize-setting.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-panel.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-section.php' );
require_once( ABSPATH . WPINC . '/class-wp-customize-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-themes-panel.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-section.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-custom-css-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' );
/**
* Filters the core Customizer components to load.
*
* This allows Core components to be excluded from being instantiated by
* filtering them out of the array. Note that this filter generally runs
* during the {@see 'plugins_loaded'} action, so it cannot be added
* in a theme.
*
* @since 4.4.0
*
* @see WP_Customize_Manager::__construct()
*
* @param array $components List of core components to load.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$components = apply_filters( 'customize_loaded_components', $this->components, $this );
require_once( ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php' );
$this->selective_refresh = new WP_Customize_Selective_Refresh( $this );
if ( in_array( 'widgets', $components, true ) ) {
require_once( ABSPATH . WPINC . '/class-wp-customize-widgets.php' );
$this->widgets = new WP_Customize_Widgets( $this );
}
if ( in_array( 'nav_menus', $components, true ) ) {
require_once( ABSPATH . WPINC . '/class-wp-customize-nav-menus.php' );
$this->nav_menus = new WP_Customize_Nav_Menus( $this );
}
add_action( 'setup_theme', array( $this, 'setup_theme' ) );
add_action( 'wp_loaded', array( $this, 'wp_loaded' ) );
// Do not spawn cron (especially the alternate cron) while running the Customizer.
remove_action( 'init', 'wp_cron' );
// Do not run update checks when rendering the controls.
remove_action( 'admin_init', '_maybe_update_core' );
remove_action( 'admin_init', '_maybe_update_plugins' );
remove_action( 'admin_init', '_maybe_update_themes' );
add_action( 'wp_ajax_customize_save', array( $this, 'save' ) );
add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) );
add_action( 'wp_ajax_customize-load-themes', array( $this, 'load_themes_ajax' ) );
add_action( 'customize_register', array( $this, 'register_controls' ) );
add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first
add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) );
add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) );
// Render Panel, Section, and Control templates.
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_panel_templates' ), 1 );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_section_templates' ), 1 );
add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_control_templates' ), 1 );
// Export the settings to JS via the _wpCustomizeSettings variable.
add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 );
// Add theme update notices.
if ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) ) {
require_once( ABSPATH . '/wp-admin/includes/update.php' );
add_action( 'customize_controls_print_footer_scripts', 'wp_print_admin_notice_templates' );
}
}
/**
* Return true if it's an Ajax request.
*
* @since 3.4.0
* @since 4.2.0 Added `$action` param.
* @access public
*
* @param string|null $action Whether the supplied Ajax action is being run.
* @return bool True if it's an Ajax request, false otherwise.
*/
public function doing_ajax( $action = null ) {
if ( ! wp_doing_ajax() ) {
return false;
}
if ( ! $action ) {
return true;
} else {
/*
* Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need
* to check before admin-ajax.php gets to that point.
*/
return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action;
}
}
/**
* Custom wp_die wrapper. Returns either the standard message for UI
* or the Ajax message.
*
* @since 3.4.0
*
* @param mixed $ajax_message Ajax return
* @param mixed $message UI message
*/
protected function wp_die( $ajax_message, $message = null ) {
if ( $this->doing_ajax() ) {
wp_die( $ajax_message );
}
if ( ! $message ) {
$message = __( 'Cheatin’ uh?' );
}
if ( $this->messenger_channel ) {
ob_start();
wp_enqueue_scripts();
wp_print_scripts( array( 'customize-base' ) );
$settings = array(
'messengerArgs' => array(
'channel' => $this->messenger_channel,
'url' => wp_customize_url(),
),
'error' => $ajax_message,
);
?>
doing_ajax() || isset( $_POST['customized'] ) ) {
return '_ajax_wp_die_handler';
}
return '_default_wp_die_handler';
}
/**
* Start preview and customize theme.
*
* Check if customize query variable exist. Init filters to filter the current theme.
*
* @since 3.4.0
*/
public function setup_theme() {
global $pagenow;
// Check permissions for customize.php access since this method is called before customize.php can run any code,
if ( 'customize.php' === $pagenow && ! current_user_can( 'customize' ) ) {
if ( ! is_user_logged_in() ) {
auth_redirect();
} else {
wp_die(
'' . __( 'Cheatin’ uh?' ) . '
' .
'' . __( 'Sorry, you are not allowed to customize this site.' ) . '
',
403
);
}
return;
}
if ( ! preg_match( '/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/', $this->_changeset_uuid ) ) {
$this->wp_die( -1, __( 'Invalid changeset UUID' ) );
}
/*
* If unauthenticated then require a valid changeset UUID to load the preview.
* In this way, the UUID serves as a secret key. If the messenger channel is present,
* then send unauthenticated code to prompt re-auth.
*/
if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) {
$this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-existent changeset UUID.' ) );
}
if ( ! headers_sent() ) {
send_origin_headers();
}
// Hide the admin bar if we're embedded in the customizer iframe.
if ( $this->messenger_channel ) {
show_admin_bar( false );
}
if ( $this->is_theme_active() ) {
// Once the theme is loaded, we'll validate it.
add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
} else {
// If the requested theme is not the active theme and the user doesn't have the
// switch_themes cap, bail.
if ( ! current_user_can( 'switch_themes' ) ) {
$this->wp_die( -1, __( 'Sorry, you are not allowed to edit theme options on this site.' ) );
}
// If the theme has errors while loading, bail.
if ( $this->theme()->errors() ) {
$this->wp_die( -1, $this->theme()->errors()->get_error_message() );
}
// If the theme isn't allowed per multisite settings, bail.
if ( ! $this->theme()->is_allowed() ) {
$this->wp_die( -1, __( 'The requested theme does not exist.' ) );
}
}
$this->start_previewing_theme();
}
/**
* Callback to validate a theme once it is loaded
*
* @since 3.4.0
*/
public function after_setup_theme() {
$doing_ajax_or_is_customized = ( $this->doing_ajax() || isset( $_POST['customized'] ) );
if ( ! $doing_ajax_or_is_customized && ! validate_current_theme() ) {
wp_redirect( 'themes.php?broken=true' );
exit;
}
}
/**
* If the theme to be previewed isn't the active theme, add filter callbacks
* to swap it out at runtime.
*
* @since 3.4.0
*/
public function start_previewing_theme() {
// Bail if we're already previewing.
if ( $this->is_preview() ) {
return;
}
$this->previewing = true;
if ( ! $this->is_theme_active() ) {
add_filter( 'template', array( $this, 'get_template' ) );
add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: https://core.trac.wordpress.org/ticket/20027
add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
add_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
/**
* Fires once the Customizer theme preview has started.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'start_previewing_theme', $this );
}
/**
* Stop previewing the selected theme.
*
* Removes filters to change the current theme.
*
* @since 3.4.0
*/
public function stop_previewing_theme() {
if ( ! $this->is_preview() ) {
return;
}
$this->previewing = false;
if ( ! $this->is_theme_active() ) {
remove_filter( 'template', array( $this, 'get_template' ) );
remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) );
// @link: https://core.trac.wordpress.org/ticket/20027
remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) );
remove_filter( 'pre_option_template', array( $this, 'get_template' ) );
// Handle custom theme roots.
remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) );
remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) );
}
/**
* Fires once the Customizer theme preview has stopped.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'stop_previewing_theme', $this );
}
/**
* Get the changeset UUID.
*
* @since 4.7.0
* @access public
*
* @return string UUID.
*/
public function changeset_uuid() {
return $this->_changeset_uuid;
}
/**
* Get the theme being customized.
*
* @since 3.4.0
*
* @return WP_Theme
*/
public function theme() {
if ( ! $this->theme ) {
$this->theme = wp_get_theme();
}
return $this->theme;
}
/**
* Get the registered settings.
*
* @since 3.4.0
*
* @return array
*/
public function settings() {
return $this->settings;
}
/**
* Get the registered controls.
*
* @since 3.4.0
*
* @return array
*/
public function controls() {
return $this->controls;
}
/**
* Get the registered containers.
*
* @since 4.0.0
*
* @return array
*/
public function containers() {
return $this->containers;
}
/**
* Get the registered sections.
*
* @since 3.4.0
*
* @return array
*/
public function sections() {
return $this->sections;
}
/**
* Get the registered panels.
*
* @since 4.0.0
* @access public
*
* @return array Panels.
*/
public function panels() {
return $this->panels;
}
/**
* Checks if the current theme is active.
*
* @since 3.4.0
*
* @return bool
*/
public function is_theme_active() {
return $this->get_stylesheet() == $this->original_stylesheet;
}
/**
* Register styles/scripts and initialize the preview of each setting
*
* @since 3.4.0
*/
public function wp_loaded() {
/**
* Fires once WordPress has loaded, allowing scripts and styles to be initialized.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_register', $this );
/*
* Note that settings must be previewed here even outside the customizer preview
* and also in the customizer pane itself. This is to enable loading an existing
* changeset into the customizer. Previewing the settings only has to be prevented
* in the case of a customize_save action because then update_option()
* may short-circuit because it will detect that there are no changes to
* make.
*/
if ( ! $this->doing_ajax( 'customize_save' ) ) {
foreach ( $this->settings as $setting ) {
$setting->preview();
}
}
if ( $this->is_preview() && ! is_admin() ) {
$this->customize_preview_init();
}
}
/**
* Prevents Ajax requests from following redirects when previewing a theme
* by issuing a 200 response instead of a 30x.
*
* Instead, the JS will sniff out the location header.
*
* @since 3.4.0
* @deprecated 4.7.0
*
* @param int $status Status.
* @return int
*/
public function wp_redirect_status( $status ) {
_deprecated_function( __FUNCTION__, '4.7.0' );
if ( $this->is_preview() && ! is_admin() ) {
return 200;
}
return $status;
}
/**
* Find the changeset post ID for a given changeset UUID.
*
* @since 4.7.0
* @access public
*
* @param string $uuid Changeset UUID.
* @return int|null Returns post ID on success and null on failure.
*/
public function find_changeset_post_id( $uuid ) {
$cache_group = 'customize_changeset_post';
$changeset_post_id = wp_cache_get( $uuid, $cache_group );
if ( $changeset_post_id && 'customize_changeset' === get_post_type( $changeset_post_id ) ) {
return $changeset_post_id;
}
$changeset_post_query = new WP_Query( array(
'post_type' => 'customize_changeset',
'post_status' => get_post_stati(),
'name' => $uuid,
'number' => 1,
'no_found_rows' => true,
'cache_results' => true,
'update_post_meta_cache' => false,
'update_term_meta_cache' => false,
) );
if ( ! empty( $changeset_post_query->posts ) ) {
// Note: 'fields'=>'ids' is not being used in order to cache the post object as it will be needed.
$changeset_post_id = $changeset_post_query->posts[0]->ID;
wp_cache_set( $this->_changeset_uuid, $changeset_post_id, $cache_group );
return $changeset_post_id;
}
return null;
}
/**
* Get the changeset post id for the loaded changeset.
*
* @since 4.7.0
* @access public
*
* @return int|null Post ID on success or null if there is no post yet saved.
*/
public function changeset_post_id() {
if ( ! isset( $this->_changeset_post_id ) ) {
$post_id = $this->find_changeset_post_id( $this->_changeset_uuid );
if ( ! $post_id ) {
$post_id = false;
}
$this->_changeset_post_id = $post_id;
}
if ( false === $this->_changeset_post_id ) {
return null;
}
return $this->_changeset_post_id;
}
/**
* Get the data stored in a changeset post.
*
* @since 4.7.0
* @access protected
*
* @param int $post_id Changeset post ID.
* @return array|WP_Error Changeset data or WP_Error on error.
*/
protected function get_changeset_post_data( $post_id ) {
if ( ! $post_id ) {
return new WP_Error( 'empty_post_id' );
}
$changeset_post = get_post( $post_id );
if ( ! $changeset_post ) {
return new WP_Error( 'missing_post' );
}
if ( 'customize_changeset' !== $changeset_post->post_type ) {
return new WP_Error( 'wrong_post_type' );
}
$changeset_data = json_decode( $changeset_post->post_content, true );
if ( function_exists( 'json_last_error' ) && json_last_error() ) {
return new WP_Error( 'json_parse_error', '', json_last_error() );
}
if ( ! is_array( $changeset_data ) ) {
return new WP_Error( 'expected_array' );
}
return $changeset_data;
}
/**
* Get changeset data.
*
* @since 4.7.0
* @access public
*
* @return array Changeset data.
*/
public function changeset_data() {
if ( isset( $this->_changeset_data ) ) {
return $this->_changeset_data;
}
$changeset_post_id = $this->changeset_post_id();
if ( ! $changeset_post_id ) {
$this->_changeset_data = array();
} else {
$data = $this->get_changeset_post_data( $changeset_post_id );
if ( ! is_wp_error( $data ) ) {
$this->_changeset_data = $data;
} else {
$this->_changeset_data = array();
}
}
return $this->_changeset_data;
}
/**
* Get dirty pre-sanitized setting values in the current customized state.
*
* The returned array consists of a merge of three sources:
* 1. If the theme is not currently active, then the base array is any stashed
* theme mods that were modified previously but never published.
* 2. The values from the current changeset, if it exists.
* 3. If the user can customize, the values parsed from the incoming
* `$_POST['customized']` JSON data.
* 4. Any programmatically-set post values via `WP_Customize_Manager::set_post_value()`.
*
* The name "unsanitized_post_values" is a carry-over from when the customized
* state was exclusively sourced from `$_POST['customized']`. Nevertheless,
* the value returned will come from the current changeset post and from the
* incoming post data.
*
* @since 4.1.1
* @since 4.7.0 Added $args param and merging with changeset values and stashed theme mods.
*
* @param array $args {
* Args.
*
* @type bool $exclude_changeset Whether the changeset values should also be excluded. Defaults to false.
* @type bool $exclude_post_data Whether the post input values should also be excluded. Defaults to false when lacking the customize capability.
* }
* @return array
*/
public function unsanitized_post_values( $args = array() ) {
$args = array_merge(
array(
'exclude_changeset' => false,
'exclude_post_data' => ! current_user_can( 'customize' ),
),
$args
);
$values = array();
// Let default values be from the stashed theme mods if doing a theme switch and if no changeset is present.
if ( ! $this->is_theme_active() ) {
$stashed_theme_mods = get_option( 'customize_stashed_theme_mods' );
$stylesheet = $this->get_stylesheet();
if ( isset( $stashed_theme_mods[ $stylesheet ] ) ) {
$values = array_merge( $values, wp_list_pluck( $stashed_theme_mods[ $stylesheet ], 'value' ) );
}
}
if ( ! $args['exclude_changeset'] ) {
foreach ( $this->changeset_data() as $setting_id => $setting_params ) {
if ( ! array_key_exists( 'value', $setting_params ) ) {
continue;
}
if ( isset( $setting_params['type'] ) && 'theme_mod' === $setting_params['type'] ) {
// Ensure that theme mods values are only used if they were saved under the current theme.
$namespace_pattern = '/^(?P.+?)::(?P.+)$/';
if ( preg_match( $namespace_pattern, $setting_id, $matches ) && $this->get_stylesheet() === $matches['stylesheet'] ) {
$values[ $matches['setting_id'] ] = $setting_params['value'];
}
} else {
$values[ $setting_id ] = $setting_params['value'];
}
}
}
if ( ! $args['exclude_post_data'] ) {
if ( ! isset( $this->_post_values ) ) {
if ( isset( $_POST['customized'] ) ) {
$post_values = json_decode( wp_unslash( $_POST['customized'] ), true );
} else {
$post_values = array();
}
if ( is_array( $post_values ) ) {
$this->_post_values = $post_values;
} else {
$this->_post_values = array();
}
}
$values = array_merge( $values, $this->_post_values );
}
return $values;
}
/**
* Returns the sanitized value for a given setting from the current customized state.
*
* The name "post_value" is a carry-over from when the customized state was exclusively
* sourced from `$_POST['customized']`. Nevertheless, the value returned will come
* from the current changeset post and from the incoming post data.
*
* @since 3.4.0
* @since 4.1.1 Introduced the `$default` parameter.
* @since 4.6.0 `$default` is now returned early when the setting post value is invalid.
* @access public
*
* @see WP_REST_Server::dispatch()
* @see WP_Rest_Request::sanitize_params()
* @see WP_Rest_Request::has_valid_params()
*
* @param WP_Customize_Setting $setting A WP_Customize_Setting derived object.
* @param mixed $default Value returned $setting has no post value (added in 4.2.0)
* or the post value is invalid (added in 4.6.0).
* @return string|mixed $post_value Sanitized value or the $default provided.
*/
public function post_value( $setting, $default = null ) {
$post_values = $this->unsanitized_post_values();
if ( ! array_key_exists( $setting->id, $post_values ) ) {
return $default;
}
$value = $post_values[ $setting->id ];
$valid = $setting->validate( $value );
if ( is_wp_error( $valid ) ) {
return $default;
}
$value = $setting->sanitize( $value );
if ( is_null( $value ) || is_wp_error( $value ) ) {
return $default;
}
return $value;
}
/**
* Override a setting's value in the current customized state.
*
* The name "post_value" is a carry-over from when the customized state was
* exclusively sourced from `$_POST['customized']`.
*
* @since 4.2.0
* @access public
*
* @param string $setting_id ID for the WP_Customize_Setting instance.
* @param mixed $value Post value.
*/
public function set_post_value( $setting_id, $value ) {
$this->unsanitized_post_values(); // Populate _post_values from $_POST['customized'].
$this->_post_values[ $setting_id ] = $value;
/**
* Announce when a specific setting's unsanitized post value has been set.
*
* Fires when the WP_Customize_Manager::set_post_value() method is called.
*
* The dynamic portion of the hook name, `$setting_id`, refers to the setting ID.
*
* @since 4.4.0
*
* @param mixed $value Unsanitized setting post value.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( "customize_post_value_set_{$setting_id}", $value, $this );
/**
* Announce when any setting's unsanitized post value has been set.
*
* Fires when the WP_Customize_Manager::set_post_value() method is called.
*
* This is useful for `WP_Customize_Setting` instances to watch
* in order to update a cached previewed value.
*
* @since 4.4.0
*
* @param string $setting_id Setting ID.
* @param mixed $value Unsanitized setting post value.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_post_value_set', $setting_id, $value, $this );
}
/**
* Print JavaScript settings.
*
* @since 3.4.0
*/
public function customize_preview_init() {
/*
* Now that Customizer previews are loaded into iframes via GET requests
* and natural URLs with transaction UUIDs added, we need to ensure that
* the responses are never cached by proxies. In practice, this will not
* be needed if the user is logged-in anyway. But if anonymous access is
* allowed then the auth cookies would not be sent and WordPress would
* not send no-cache headers by default.
*/
if ( ! headers_sent() ) {
nocache_headers();
header( 'X-Robots: noindex, nofollow, noarchive' );
}
add_action( 'wp_head', 'wp_no_robots' );
add_filter( 'wp_headers', array( $this, 'filter_iframe_security_headers' ) );
/*
* If preview is being served inside the customizer preview iframe, and
* if the user doesn't have customize capability, then it is assumed
* that the user's session has expired and they need to re-authenticate.
*/
if ( $this->messenger_channel && ! current_user_can( 'customize' ) ) {
$this->wp_die( -1, __( 'Unauthorized. You may remove the customize_messenger_channel param to preview as frontend.' ) );
return;
}
$this->prepare_controls();
add_filter( 'wp_redirect', array( $this, 'add_state_query_params' ) );
wp_enqueue_script( 'customize-preview' );
add_action( 'wp_head', array( $this, 'customize_preview_loading_style' ) );
add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 );
/**
* Fires once the Customizer preview has initialized and JavaScript
* settings have been printed.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_preview_init', $this );
}
/**
* Filter the X-Frame-Options and Content-Security-Policy headers to ensure frontend can load in customizer.
*
* @since 4.7.0
* @access public
*
* @param array $headers Headers.
* @return array Headers.
*/
public function filter_iframe_security_headers( $headers ) {
$customize_url = admin_url( 'customize.php' );
$headers['X-Frame-Options'] = 'ALLOW-FROM ' . $customize_url;
$headers['Content-Security-Policy'] = 'frame-ancestors ' . preg_replace( '#^(\w+://[^/]+).+?$#', '$1', $customize_url );
return $headers;
}
/**
* Add customize state query params to a given URL if preview is allowed.
*
* @since 4.7.0
* @access public
* @see wp_redirect()
* @see WP_Customize_Manager::get_allowed_url()
*
* @param string $url URL.
* @return string URL.
*/
public function add_state_query_params( $url ) {
$parsed_original_url = wp_parse_url( $url );
$is_allowed = false;
foreach ( $this->get_allowed_urls() as $allowed_url ) {
$parsed_allowed_url = wp_parse_url( $allowed_url );
$is_allowed = (
$parsed_allowed_url['scheme'] === $parsed_original_url['scheme']
&&
$parsed_allowed_url['host'] === $parsed_original_url['host']
&&
0 === strpos( $parsed_original_url['path'], $parsed_allowed_url['path'] )
);
if ( $is_allowed ) {
break;
}
}
if ( $is_allowed ) {
$query_params = array(
'customize_changeset_uuid' => $this->changeset_uuid(),
);
if ( ! $this->is_theme_active() ) {
$query_params['customize_theme'] = $this->get_stylesheet();
}
if ( $this->messenger_channel ) {
$query_params['customize_messenger_channel'] = $this->messenger_channel;
}
$url = add_query_arg( $query_params, $url );
}
return $url;
}
/**
* Prevent sending a 404 status when returning the response for the customize
* preview, since it causes the jQuery Ajax to fail. Send 200 instead.
*
* @since 4.0.0
* @deprecated 4.7.0
* @access public
*/
public function customize_preview_override_404_status() {
_deprecated_function( __METHOD__, '4.7.0' );
}
/**
* Print base element for preview frame.
*
* @since 3.4.0
* @deprecated 4.7.0
*/
public function customize_preview_base() {
_deprecated_function( __METHOD__, '4.7.0' );
}
/**
* Print a workaround to handle HTML5 tags in IE < 9.
*
* @since 3.4.0
* @deprecated 4.7.0 Customizer no longer supports IE8, so all supported browsers recognize HTML5.
*/
public function customize_preview_html5() {
_deprecated_function( __FUNCTION__, '4.7.0' );
}
/**
* Print CSS for loading indicators for the Customizer preview.
*
* @since 4.2.0
* @access public
*/
public function customize_preview_loading_style() {
?>unsanitized_post_values( array( 'exclude_changeset' => true ) );
$setting_validities = $this->validate_setting_values( $post_values );
$exported_setting_validities = array_map( array( $this, 'prepare_setting_validity_for_js' ), $setting_validities );
// Note that the REQUEST_URI is not passed into home_url() since this breaks subdirectory installs.
$self_url = empty( $_SERVER['REQUEST_URI'] ) ? home_url( '/' ) : esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) );
$state_query_params = array(
'customize_theme',
'customize_changeset_uuid',
'customize_messenger_channel',
);
$self_url = remove_query_arg( $state_query_params, $self_url );
$allowed_urls = $this->get_allowed_urls();
$allowed_hosts = array();
foreach ( $allowed_urls as $allowed_url ) {
$parsed = wp_parse_url( $allowed_url );
if ( empty( $parsed['host'] ) ) {
continue;
}
$host = $parsed['host'];
if ( ! empty( $parsed['port'] ) ) {
$host .= ':' . $parsed['port'];
}
$allowed_hosts[] = $host;
}
$settings = array(
'changeset' => array(
'uuid' => $this->_changeset_uuid,
),
'timeouts' => array(
'selectiveRefresh' => 250,
'keepAliveSend' => 1000,
),
'theme' => array(
'stylesheet' => $this->get_stylesheet(),
'active' => $this->is_theme_active(),
),
'url' => array(
'self' => $self_url,
'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ),
'allowedHosts' => array_unique( $allowed_hosts ),
'isCrossDomain' => $this->is_cross_domain(),
),
'channel' => $this->messenger_channel,
'activePanels' => array(),
'activeSections' => array(),
'activeControls' => array(),
'settingValidities' => $exported_setting_validities,
'nonce' => current_user_can( 'customize' ) ? $this->get_nonces() : array(),
'l10n' => array(
'shiftClickToEdit' => __( 'Shift-click to edit this element.' ),
'linkUnpreviewable' => __( 'This link is not live-previewable.' ),
'formUnpreviewable' => __( 'This form is not live-previewable.' ),
),
'_dirty' => array_keys( $post_values ),
);
foreach ( $this->panels as $panel_id => $panel ) {
if ( $panel->check_capabilities() ) {
$settings['activePanels'][ $panel_id ] = $panel->active();
foreach ( $panel->sections as $section_id => $section ) {
if ( $section->check_capabilities() ) {
$settings['activeSections'][ $section_id ] = $section->active();
}
}
}
}
foreach ( $this->sections as $id => $section ) {
if ( $section->check_capabilities() ) {
$settings['activeSections'][ $id ] = $section->active();
}
}
foreach ( $this->controls as $id => $control ) {
if ( $control->check_capabilities() ) {
$settings['activeControls'][ $id ] = $control->active();
}
}
?>
previewing;
}
/**
* Retrieve the template name of the previewed theme.
*
* @since 3.4.0
*
* @return string Template name.
*/
public function get_template() {
return $this->theme()->get_template();
}
/**
* Retrieve the stylesheet name of the previewed theme.
*
* @since 3.4.0
*
* @return string Stylesheet name.
*/
public function get_stylesheet() {
return $this->theme()->get_stylesheet();
}
/**
* Retrieve the template root of the previewed theme.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_template_root() {
return get_raw_theme_root( $this->get_template(), true );
}
/**
* Retrieve the stylesheet root of the previewed theme.
*
* @since 3.4.0
*
* @return string Theme root.
*/
public function get_stylesheet_root() {
return get_raw_theme_root( $this->get_stylesheet(), true );
}
/**
* Filters the current theme and return the name of the previewed theme.
*
* @since 3.4.0
*
* @param $current_theme {@internal Parameter is not used}
* @return string Theme name.
*/
public function current_theme( $current_theme ) {
return $this->theme()->display('Name');
}
/**
* Validates setting values.
*
* Validation is skipped for unregistered settings or for values that are
* already null since they will be skipped anyway. Sanitization is applied
* to values that pass validation, and values that become null or `WP_Error`
* after sanitizing are marked invalid.
*
* @since 4.6.0
* @access public
*
* @see WP_REST_Request::has_valid_params()
* @see WP_Customize_Setting::validate()
*
* @param array $setting_values Mapping of setting IDs to values to validate and sanitize.
* @param array $options {
* Options.
*
* @type bool $validate_existence Whether a setting's existence will be checked.
* @type bool $validate_capability Whether the setting capability will be checked.
* }
* @return array Mapping of setting IDs to return value of validate method calls, either `true` or `WP_Error`.
*/
public function validate_setting_values( $setting_values, $options = array() ) {
$options = wp_parse_args( $options, array(
'validate_capability' => false,
'validate_existence' => false,
) );
$validities = array();
foreach ( $setting_values as $setting_id => $unsanitized_value ) {
$setting = $this->get_setting( $setting_id );
if ( ! $setting ) {
if ( $options['validate_existence'] ) {
$validities[ $setting_id ] = new WP_Error( 'unrecognized', __( 'Setting does not exist or is unrecognized.' ) );
}
continue;
}
if ( is_null( $unsanitized_value ) ) {
continue;
}
if ( $options['validate_capability'] && ! current_user_can( $setting->capability ) ) {
$validity = new WP_Error( 'unauthorized', __( 'Unauthorized to modify setting due to capability.' ) );
} else {
$validity = $setting->validate( $unsanitized_value );
}
if ( ! is_wp_error( $validity ) ) {
/** This filter is documented in wp-includes/class-wp-customize-setting.php */
$late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting );
if ( ! empty( $late_validity->errors ) ) {
$validity = $late_validity;
}
}
if ( ! is_wp_error( $validity ) ) {
$value = $setting->sanitize( $unsanitized_value );
if ( is_null( $value ) ) {
$validity = false;
} elseif ( is_wp_error( $value ) ) {
$validity = $value;
}
}
if ( false === $validity ) {
$validity = new WP_Error( 'invalid_value', __( 'Invalid value.' ) );
}
$validities[ $setting_id ] = $validity;
}
return $validities;
}
/**
* Prepares setting validity for exporting to the client (JS).
*
* Converts `WP_Error` instance into array suitable for passing into the
* `wp.customize.Notification` JS model.
*
* @since 4.6.0
* @access public
*
* @param true|WP_Error $validity Setting validity.
* @return true|array If `$validity` was a WP_Error, the error codes will be array-mapped
* to their respective `message` and `data` to pass into the
* `wp.customize.Notification` JS model.
*/
public function prepare_setting_validity_for_js( $validity ) {
if ( is_wp_error( $validity ) ) {
$notification = array();
foreach ( $validity->errors as $error_code => $error_messages ) {
$notification[ $error_code ] = array(
'message' => join( ' ', $error_messages ),
'data' => $validity->get_error_data( $error_code ),
);
}
return $notification;
} else {
return true;
}
}
/**
* Handle customize_save WP Ajax request to save/update a changeset.
*
* @since 3.4.0
* @since 4.7.0 The semantics of this method have changed to update a changeset, optionally to also change the status and other attributes.
*/
public function save() {
if ( ! is_user_logged_in() ) {
wp_send_json_error( 'unauthenticated' );
}
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
$action = 'save-customize_' . $this->get_stylesheet();
if ( ! check_ajax_referer( $action, 'nonce', false ) ) {
wp_send_json_error( 'invalid_nonce' );
}
$changeset_post_id = $this->changeset_post_id();
if ( $changeset_post_id && in_array( get_post_status( $changeset_post_id ), array( 'publish', 'trash' ) ) ) {
wp_send_json_error( 'changeset_already_published' );
}
if ( empty( $changeset_post_id ) ) {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->create_posts ) ) {
wp_send_json_error( 'cannot_create_changeset_post' );
}
} else {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) {
wp_send_json_error( 'cannot_edit_changeset_post' );
}
}
if ( ! empty( $_POST['customize_changeset_data'] ) ) {
$input_changeset_data = json_decode( wp_unslash( $_POST['customize_changeset_data'] ), true );
if ( ! is_array( $input_changeset_data ) ) {
wp_send_json_error( 'invalid_customize_changeset_data' );
}
} else {
$input_changeset_data = array();
}
// Validate title.
$changeset_title = null;
if ( isset( $_POST['customize_changeset_title'] ) ) {
$changeset_title = sanitize_text_field( wp_unslash( $_POST['customize_changeset_title'] ) );
}
// Validate changeset status param.
$is_publish = null;
$changeset_status = null;
if ( isset( $_POST['customize_changeset_status'] ) ) {
$changeset_status = wp_unslash( $_POST['customize_changeset_status'] );
if ( ! get_post_status_object( $changeset_status ) || ! in_array( $changeset_status, array( 'draft', 'pending', 'publish', 'future' ), true ) ) {
wp_send_json_error( 'bad_customize_changeset_status', 400 );
}
$is_publish = ( 'publish' === $changeset_status || 'future' === $changeset_status );
if ( $is_publish ) {
if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ) ) {
wp_send_json_error( 'changeset_publish_unauthorized', 403 );
}
if ( false === has_action( 'transition_post_status', '_wp_customize_publish_changeset' ) ) {
wp_send_json_error( 'missing_publish_callback', 500 );
}
}
}
/*
* Validate changeset date param. Date is assumed to be in local time for
* the WP if in MySQL format (YYYY-MM-DD HH:MM:SS). Otherwise, the date
* is parsed with strtotime() so that ISO date format may be supplied
* or a string like "+10 minutes".
*/
$changeset_date_gmt = null;
if ( isset( $_POST['customize_changeset_date'] ) ) {
$changeset_date = wp_unslash( $_POST['customize_changeset_date'] );
if ( preg_match( '/^\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d$/', $changeset_date ) ) {
$mm = substr( $changeset_date, 5, 2 );
$jj = substr( $changeset_date, 8, 2 );
$aa = substr( $changeset_date, 0, 4 );
$valid_date = wp_checkdate( $mm, $jj, $aa, $changeset_date );
if ( ! $valid_date ) {
wp_send_json_error( 'bad_customize_changeset_date', 400 );
}
$changeset_date_gmt = get_gmt_from_date( $changeset_date );
} else {
$timestamp = strtotime( $changeset_date );
if ( ! $timestamp ) {
wp_send_json_error( 'bad_customize_changeset_date', 400 );
}
$changeset_date_gmt = gmdate( 'Y-m-d H:i:s', $timestamp );
}
$now = gmdate( 'Y-m-d H:i:59' );
$is_future_dated = ( mysql2date( 'U', $changeset_date_gmt, false ) > mysql2date( 'U', $now, false ) );
if ( ! $is_future_dated ) {
wp_send_json_error( 'not_future_date', 400 ); // Only future dates are allowed.
}
if ( ! $this->is_theme_active() && ( 'future' === $changeset_status || $is_future_dated ) ) {
wp_send_json_error( 'cannot_schedule_theme_switches', 400 ); // This should be allowed in the future, when theme is a regular setting.
}
$will_remain_auto_draft = ( ! $changeset_status && ( ! $changeset_post_id || 'auto-draft' === get_post_status( $changeset_post_id ) ) );
if ( $changeset_date && $will_remain_auto_draft ) {
wp_send_json_error( 'cannot_supply_date_for_auto_draft_changeset', 400 );
}
}
$r = $this->save_changeset_post( array(
'status' => $changeset_status,
'title' => $changeset_title,
'date_gmt' => $changeset_date_gmt,
'data' => $input_changeset_data,
) );
if ( is_wp_error( $r ) ) {
$response = $r->get_error_data();
} else {
$response = $r;
// Note that if the changeset status was publish, then it will get set to trash if revisions are not supported.
$response['changeset_status'] = get_post_status( $this->changeset_post_id() );
if ( $is_publish && 'trash' === $response['changeset_status'] ) {
$response['changeset_status'] = 'publish';
}
if ( 'publish' === $response['changeset_status'] ) {
$response['next_changeset_uuid'] = wp_generate_uuid4();
}
}
if ( isset( $response['setting_validities'] ) ) {
$response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] );
}
/**
* Filters response data for a successful customize_save Ajax request.
*
* This filter does not apply if there was a nonce or authentication failure.
*
* @since 4.2.0
*
* @param array $response Additional information passed back to the 'saved'
* event on `wp.customize`.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$response = apply_filters( 'customize_save_response', $response, $this );
if ( is_wp_error( $r ) ) {
wp_send_json_error( $response );
} else {
wp_send_json_success( $response );
}
}
/**
* Save the post for the loaded changeset.
*
* @since 4.7.0
* @access public
*
* @param array $args {
* Args for changeset post.
*
* @type array $data Optional additional changeset data. Values will be merged on top of any existing post values.
* @type string $status Post status. Optional. If supplied, the save will be transactional and a post revision will be allowed.
* @type string $title Post title. Optional.
* @type string $date_gmt Date in GMT. Optional.
* }
*
* @return array|WP_Error Returns array on success and WP_Error with array data on error.
*/
function save_changeset_post( $args = array() ) {
$args = array_merge(
array(
'status' => null,
'title' => null,
'data' => array(),
'date_gmt' => null,
),
$args
);
$changeset_post_id = $this->changeset_post_id();
// The request was made via wp.customize.previewer.save().
$update_transactionally = (bool) $args['status'];
$allow_revision = (bool) $args['status'];
// Amend post values with any supplied data.
foreach ( $args['data'] as $setting_id => $setting_params ) {
if ( array_key_exists( 'value', $setting_params ) ) {
$this->set_post_value( $setting_id, $setting_params['value'] ); // Add to post values so that they can be validated and sanitized.
}
}
// Note that in addition to post data, this will include any stashed theme mods.
$post_values = $this->unsanitized_post_values( array(
'exclude_changeset' => true,
'exclude_post_data' => false,
) );
$this->add_dynamic_settings( array_keys( $post_values ) ); // Ensure settings get created even if they lack an input value.
/**
* Fires before save validation happens.
*
* Plugins can add just-in-time {@see 'customize_validate_{$this->ID}'} filters
* at this point to catch any settings registered after `customize_register`.
* The dynamic portion of the hook name, `$this->ID` refers to the setting ID.
*
* @since 4.6.0
*
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
do_action( 'customize_save_validation_before', $this );
// Validate settings.
$setting_validities = $this->validate_setting_values( $post_values, array(
'validate_capability' => true,
'validate_existence' => true,
) );
$invalid_setting_count = count( array_filter( $setting_validities, 'is_wp_error' ) );
/*
* Short-circuit if there are invalid settings the update is transactional.
* A changeset update is transactional when a status is supplied in the request.
*/
if ( $update_transactionally && $invalid_setting_count > 0 ) {
$response = array(
'setting_validities' => $setting_validities,
'message' => sprintf( _n( 'There is %s invalid setting.', 'There are %s invalid settings.', $invalid_setting_count ), number_format_i18n( $invalid_setting_count ) ),
);
return new WP_Error( 'transaction_fail', '', $response );
}
$response = array(
'setting_validities' => $setting_validities,
);
// Obtain/merge data for changeset.
$original_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
$data = $original_changeset_data;
if ( is_wp_error( $data ) ) {
$data = array();
}
// Ensure that all post values are included in the changeset data.
foreach ( $post_values as $setting_id => $post_value ) {
if ( ! isset( $args['data'][ $setting_id ] ) ) {
$args['data'][ $setting_id ] = array();
}
if ( ! isset( $args['data'][ $setting_id ]['value'] ) ) {
$args['data'][ $setting_id ]['value'] = $post_value;
}
}
foreach ( $args['data'] as $setting_id => $setting_params ) {
$setting = $this->get_setting( $setting_id );
if ( ! $setting || ! $setting->check_capabilities() ) {
continue;
}
// Skip updating changeset for invalid setting values.
if ( isset( $setting_validities[ $setting_id ] ) && is_wp_error( $setting_validities[ $setting_id ] ) ) {
continue;
}
$changeset_setting_id = $setting_id;
if ( 'theme_mod' === $setting->type ) {
$changeset_setting_id = sprintf( '%s::%s', $this->get_stylesheet(), $setting_id );
}
if ( null === $setting_params ) {
// Remove setting from changeset entirely.
unset( $data[ $changeset_setting_id ] );
} else {
// Merge any additional setting params that have been supplied with the existing params.
if ( ! isset( $data[ $changeset_setting_id ] ) ) {
$data[ $changeset_setting_id ] = array();
}
$data[ $changeset_setting_id ] = array_merge(
$data[ $changeset_setting_id ],
$setting_params,
array( 'type' => $setting->type )
);
}
}
$filter_context = array(
'uuid' => $this->changeset_uuid(),
'title' => $args['title'],
'status' => $args['status'],
'date_gmt' => $args['date_gmt'],
'post_id' => $changeset_post_id,
'previous_data' => is_wp_error( $original_changeset_data ) ? array() : $original_changeset_data,
'manager' => $this,
);
/**
* Filters the settings' data that will be persisted into the changeset.
*
* Plugins may amend additional data (such as additional meta for settings) into the changeset with this filter.
*
* @since 4.7.0
*
* @param array $data Updated changeset data, mapping setting IDs to arrays containing a $value item and optionally other metadata.
* @param array $context {
* Filter context.
*
* @type string $uuid Changeset UUID.
* @type string $title Requested title for the changeset post.
* @type string $status Requested status for the changeset post.
* @type string $date_gmt Requested date for the changeset post in MySQL format and GMT timezone.
* @type int|false $post_id Post ID for the changeset, or false if it doesn't exist yet.
* @type array $previous_data Previous data contained in the changeset.
* @type WP_Customize_Manager $manager Manager instance.
* }
*/
$data = apply_filters( 'customize_changeset_save_data', $data, $filter_context );
// Switch theme if publishing changes now.
if ( 'publish' === $args['status'] && ! $this->is_theme_active() ) {
// Temporarily stop previewing the theme to allow switch_themes() to operate properly.
$this->stop_previewing_theme();
switch_theme( $this->get_stylesheet() );
update_option( 'theme_switched_via_customizer', true );
$this->start_previewing_theme();
}
// Gather the data for wp_insert_post()/wp_update_post().
$json_options = 0;
if ( defined( 'JSON_UNESCAPED_SLASHES' ) ) {
$json_options |= JSON_UNESCAPED_SLASHES; // Introduced in PHP 5.4. This is only to improve readability as slashes needn't be escaped in storage.
}
$json_options |= JSON_PRETTY_PRINT; // Also introduced in PHP 5.4, but WP defines constant for back compat. See WP Trac #30139.
$post_array = array(
'post_content' => wp_json_encode( $data, $json_options ),
);
if ( $args['title'] ) {
$post_array['post_title'] = $args['title'];
}
if ( $changeset_post_id ) {
$post_array['ID'] = $changeset_post_id;
} else {
$post_array['post_type'] = 'customize_changeset';
$post_array['post_name'] = $this->changeset_uuid();
$post_array['post_status'] = 'auto-draft';
}
if ( $args['status'] ) {
$post_array['post_status'] = $args['status'];
}
if ( $args['date_gmt'] ) {
$post_array['post_date_gmt'] = $args['date_gmt'];
$post_array['post_date'] = get_date_from_gmt( $args['date_gmt'] );
}
$this->store_changeset_revision = $allow_revision;
add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ), 5, 3 );
// Update the changeset post. The publish_customize_changeset action will cause the settings in the changeset to be saved via WP_Customize_Setting::save().
$has_kses = ( false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' ) );
if ( $has_kses ) {
kses_remove_filters(); // Prevent KSES from corrupting JSON in post_content.
}
// Note that updating a post with publish status will trigger WP_Customize_Manager::publish_changeset_values().
if ( $changeset_post_id ) {
$post_array['edit_date'] = true; // Prevent date clearing.
$r = wp_update_post( wp_slash( $post_array ), true );
} else {
$r = wp_insert_post( wp_slash( $post_array ), true );
if ( ! is_wp_error( $r ) ) {
$this->_changeset_post_id = $r; // Update cached post ID for the loaded changeset.
}
}
if ( $has_kses ) {
kses_init_filters();
}
$this->_changeset_data = null; // Reset so WP_Customize_Manager::changeset_data() will re-populate with updated contents.
remove_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ) );
if ( is_wp_error( $r ) ) {
$response['changeset_post_save_failure'] = $r->get_error_code();
return new WP_Error( 'changeset_post_save_failure', '', $response );
}
return $response;
}
/**
* Whether a changeset revision should be made.
*
* @since 4.7.0
* @access private
* @var bool
*/
protected $store_changeset_revision;
/**
* Filters whether a changeset has changed to create a new revision.
*
* Note that this will not be called while a changeset post remains in auto-draft status.
*
* @since 4.7.0
* @access private
*
* @param bool $post_has_changed Whether the post has changed.
* @param WP_Post $last_revision The last revision post object.
* @param WP_Post $post The post object.
*
* @return bool Whether a revision should be made.
*/
public function _filter_revision_post_has_changed( $post_has_changed, $last_revision, $post ) {
unset( $last_revision );
if ( 'customize_changeset' === $post->post_type ) {
$post_has_changed = $this->store_changeset_revision;
}
return $post_has_changed;
}
/**
* Publish changeset values.
*
* This will the values contained in a changeset, even changesets that do not
* correspond to current manager instance. This is called by
* `_wp_customize_publish_changeset()` when a customize_changeset post is
* transitioned to the `publish` status. As such, this method should not be
* called directly and instead `wp_publish_post()` should be used.
*
* Please note that if the settings in the changeset are for a non-activated
* theme, the theme must first be switched to (via `switch_theme()`) before
* invoking this method.
*
* @since 4.7.0
* @access private
* @see _wp_customize_publish_changeset()
*
* @param int $changeset_post_id ID for customize_changeset post. Defaults to the changeset for the current manager instance.
* @return true|WP_Error True or error info.
*/
public function _publish_changeset_values( $changeset_post_id ) {
$publishing_changeset_data = $this->get_changeset_post_data( $changeset_post_id );
if ( is_wp_error( $publishing_changeset_data ) ) {
return $publishing_changeset_data;
}
$changeset_post = get_post( $changeset_post_id );
/*
* Temporarily override the changeset context so that it will be read
* in calls to unsanitized_post_values() and so that it will be available
* on the $wp_customize object passed to hooks during the save logic.
*/
$previous_changeset_post_id = $this->_changeset_post_id;
$this->_changeset_post_id = $changeset_post_id;
$previous_changeset_uuid = $this->_changeset_uuid;
$this->_changeset_uuid = $changeset_post->post_name;
$previous_changeset_data = $this->_changeset_data;
$this->_changeset_data = $publishing_changeset_data;
// Ensure that other theme mods are stashed.
$other_theme_mod_settings = array();
if ( did_action( 'switch_theme' ) ) {
$namespace_pattern = '/^(?P.+?)::(?P.+)$/';
$matches = array();
foreach ( $this->_changeset_data as $raw_setting_id => $setting_params ) {
$is_other_theme_mod = (
isset( $setting_params['value'] )
&&
isset( $setting_params['type'] )
&&
'theme_mod' === $setting_params['type']
&&
preg_match( $namespace_pattern, $raw_setting_id, $matches )
&&
$this->get_stylesheet() !== $matches['stylesheet']
);
if ( $is_other_theme_mod ) {
if ( ! isset( $other_theme_mod_settings[ $matches['stylesheet'] ] ) ) {
$other_theme_mod_settings[ $matches['stylesheet'] ] = array();
}
$other_theme_mod_settings[ $matches['stylesheet'] ][ $matches['setting_id'] ] = $setting_params;
}
}
}
$changeset_setting_values = $this->unsanitized_post_values( array(
'exclude_post_data' => true,
'exclude_changeset' => false,
) );
$changeset_setting_ids = array_keys( $changeset_setting_values );
$this->add_dynamic_settings( $changeset_setting_ids );
/**
* Fires once the theme has switched in the Customizer, but before settings
* have been saved.
*
* @since 3.4.0
*
* @param WP_Customize_Manager $manager WP_Customize_Manager instance.
*/
do_action( 'customize_save', $this );
/*
* Ensure that all settings will allow themselves to be saved. Note that
* this is safe because the setting would have checked the capability
* when the setting value was written into the changeset. So this is why
* an additional capability check is not required here.
*/
$original_setting_capabilities = array();
foreach ( $changeset_setting_ids as $setting_id ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
$original_setting_capabilities[ $setting->id ] = $setting->capability;
$setting->capability = 'exist';
}
}
foreach ( $changeset_setting_ids as $setting_id ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
$setting->save();
}
}
// Update the stashed theme mod settings, removing the active theme's stashed settings, if activated.
if ( did_action( 'switch_theme' ) ) {
$this->update_stashed_theme_mod_settings( $other_theme_mod_settings );
}
/**
* Fires after Customize settings have been saved.
*
* @since 3.6.0
*
* @param WP_Customize_Manager $manager WP_Customize_Manager instance.
*/
do_action( 'customize_save_after', $this );
// Restore original capabilities.
foreach ( $original_setting_capabilities as $setting_id => $capability ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
$setting->capability = $capability;
}
}
// Restore original changeset data.
$this->_changeset_data = $previous_changeset_data;
$this->_changeset_post_id = $previous_changeset_post_id;
$this->_changeset_uuid = $previous_changeset_uuid;
return true;
}
/**
* Update stashed theme mod settings.
*
* @since 4.7.0
* @access private
*
* @param array $inactive_theme_mod_settings Mapping of stylesheet to arrays of theme mod settings.
* @return array|false Returns array of updated stashed theme mods or false if the update failed or there were no changes.
*/
protected function update_stashed_theme_mod_settings( $inactive_theme_mod_settings ) {
$stashed_theme_mod_settings = get_option( 'customize_stashed_theme_mods' );
if ( empty( $stashed_theme_mod_settings ) ) {
$stashed_theme_mod_settings = array();
}
// Delete any stashed theme mods for the active theme since since they would have been loaded and saved upon activation.
unset( $stashed_theme_mod_settings[ $this->get_stylesheet() ] );
// Merge inactive theme mods with the stashed theme mod settings.
foreach ( $inactive_theme_mod_settings as $stylesheet => $theme_mod_settings ) {
if ( ! isset( $stashed_theme_mod_settings[ $stylesheet ] ) ) {
$stashed_theme_mod_settings[ $stylesheet ] = array();
}
$stashed_theme_mod_settings[ $stylesheet ] = array_merge(
$stashed_theme_mod_settings[ $stylesheet ],
$theme_mod_settings
);
}
$autoload = false;
$result = update_option( 'customize_stashed_theme_mods', $stashed_theme_mod_settings, $autoload );
if ( ! $result ) {
return false;
}
return $stashed_theme_mod_settings;
}
/**
* Refresh nonces for the current preview.
*
* @since 4.2.0
*/
public function refresh_nonces() {
if ( ! $this->is_preview() ) {
wp_send_json_error( 'not_preview' );
}
wp_send_json_success( $this->get_nonces() );
}
/**
* Add a customize setting.
*
* @since 3.4.0
* @since 4.5.0 Return added WP_Customize_Setting instance.
* @access public
*
* @param WP_Customize_Setting|string $id Customize Setting object, or ID.
* @param array $args Setting arguments; passed to WP_Customize_Setting
* constructor.
* @return WP_Customize_Setting The instance of the setting that was added.
*/
public function add_setting( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Setting ) {
$setting = $id;
} else {
$class = 'WP_Customize_Setting';
/** This filter is documented in wp-includes/class-wp-customize-manager.php */
$args = apply_filters( 'customize_dynamic_setting_args', $args, $id );
/** This filter is documented in wp-includes/class-wp-customize-manager.php */
$class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args );
$setting = new $class( $this, $id, $args );
}
$this->settings[ $setting->id ] = $setting;
return $setting;
}
/**
* Register any dynamically-created settings, such as those from $_POST['customized']
* that have no corresponding setting created.
*
* This is a mechanism to "wake up" settings that have been dynamically created
* on the front end and have been sent to WordPress in `$_POST['customized']`. When WP
* loads, the dynamically-created settings then will get created and previewed
* even though they are not directly created statically with code.
*
* @since 4.2.0
* @access public
*
* @param array $setting_ids The setting IDs to add.
* @return array The WP_Customize_Setting objects added.
*/
public function add_dynamic_settings( $setting_ids ) {
$new_settings = array();
foreach ( $setting_ids as $setting_id ) {
// Skip settings already created
if ( $this->get_setting( $setting_id ) ) {
continue;
}
$setting_args = false;
$setting_class = 'WP_Customize_Setting';
/**
* Filters a dynamic setting's constructor args.
*
* For a dynamic setting to be registered, this filter must be employed
* to override the default false value with an array of args to pass to
* the WP_Customize_Setting constructor.
*
* @since 4.2.0
*
* @param false|array $setting_args The arguments to the WP_Customize_Setting constructor.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
*/
$setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id );
if ( false === $setting_args ) {
continue;
}
/**
* Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass.
*
* @since 4.2.0
*
* @param string $setting_class WP_Customize_Setting or a subclass.
* @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`.
* @param array $setting_args WP_Customize_Setting or a subclass.
*/
$setting_class = apply_filters( 'customize_dynamic_setting_class', $setting_class, $setting_id, $setting_args );
$setting = new $setting_class( $this, $setting_id, $setting_args );
$this->add_setting( $setting );
$new_settings[] = $setting;
}
return $new_settings;
}
/**
* Retrieve a customize setting.
*
* @since 3.4.0
*
* @param string $id Customize Setting ID.
* @return WP_Customize_Setting|void The setting, if set.
*/
public function get_setting( $id ) {
if ( isset( $this->settings[ $id ] ) ) {
return $this->settings[ $id ];
}
}
/**
* Remove a customize setting.
*
* @since 3.4.0
*
* @param string $id Customize Setting ID.
*/
public function remove_setting( $id ) {
unset( $this->settings[ $id ] );
}
/**
* Add a customize panel.
*
* @since 4.0.0
* @since 4.5.0 Return added WP_Customize_Panel instance.
* @access public
*
* @param WP_Customize_Panel|string $id Customize Panel object, or Panel ID.
* @param array $args Optional. Panel arguments. Default empty array.
*
* @return WP_Customize_Panel The instance of the panel that was added.
*/
public function add_panel( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Panel ) {
$panel = $id;
} else {
$panel = new WP_Customize_Panel( $this, $id, $args );
}
$this->panels[ $panel->id ] = $panel;
return $panel;
}
/**
* Retrieve a customize panel.
*
* @since 4.0.0
* @access public
*
* @param string $id Panel ID to get.
* @return WP_Customize_Panel|void Requested panel instance, if set.
*/
public function get_panel( $id ) {
if ( isset( $this->panels[ $id ] ) ) {
return $this->panels[ $id ];
}
}
/**
* Remove a customize panel.
*
* @since 4.0.0
* @access public
*
* @param string $id Panel ID to remove.
*/
public function remove_panel( $id ) {
// Removing core components this way is _doing_it_wrong().
if ( in_array( $id, $this->components, true ) ) {
/* translators: 1: panel id, 2: link to 'customize_loaded_components' filter reference */
$message = sprintf( __( 'Removing %1$s manually will cause PHP warnings. Use the %2$s filter instead.' ),
$id,
'customize_loaded_components'
);
_doing_it_wrong( __METHOD__, $message, '4.5.0' );
}
unset( $this->panels[ $id ] );
}
/**
* Register a customize panel type.
*
* Registered types are eligible to be rendered via JS and created dynamically.
*
* @since 4.3.0
* @access public
*
* @see WP_Customize_Panel
*
* @param string $panel Name of a custom panel which is a subclass of WP_Customize_Panel.
*/
public function register_panel_type( $panel ) {
$this->registered_panel_types[] = $panel;
}
/**
* Render JS templates for all registered panel types.
*
* @since 4.3.0
* @access public
*/
public function render_panel_templates() {
foreach ( $this->registered_panel_types as $panel_type ) {
$panel = new $panel_type( $this, 'temp', array() );
$panel->print_template();
}
}
/**
* Add a customize section.
*
* @since 3.4.0
* @since 4.5.0 Return added WP_Customize_Section instance.
* @access public
*
* @param WP_Customize_Section|string $id Customize Section object, or Section ID.
* @param array $args Section arguments.
*
* @return WP_Customize_Section The instance of the section that was added.
*/
public function add_section( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Section ) {
$section = $id;
} else {
$section = new WP_Customize_Section( $this, $id, $args );
}
$this->sections[ $section->id ] = $section;
return $section;
}
/**
* Retrieve a customize section.
*
* @since 3.4.0
*
* @param string $id Section ID.
* @return WP_Customize_Section|void The section, if set.
*/
public function get_section( $id ) {
if ( isset( $this->sections[ $id ] ) )
return $this->sections[ $id ];
}
/**
* Remove a customize section.
*
* @since 3.4.0
*
* @param string $id Section ID.
*/
public function remove_section( $id ) {
unset( $this->sections[ $id ] );
}
/**
* Register a customize section type.
*
* Registered types are eligible to be rendered via JS and created dynamically.
*
* @since 4.3.0
* @access public
*
* @see WP_Customize_Section
*
* @param string $section Name of a custom section which is a subclass of WP_Customize_Section.
*/
public function register_section_type( $section ) {
$this->registered_section_types[] = $section;
}
/**
* Render JS templates for all registered section types.
*
* @since 4.3.0
* @access public
*/
public function render_section_templates() {
foreach ( $this->registered_section_types as $section_type ) {
$section = new $section_type( $this, 'temp', array() );
$section->print_template();
}
}
/**
* Add a customize control.
*
* @since 3.4.0
* @since 4.5.0 Return added WP_Customize_Control instance.
* @access public
*
* @param WP_Customize_Control|string $id Customize Control object, or ID.
* @param array $args Control arguments; passed to WP_Customize_Control
* constructor.
* @return WP_Customize_Control The instance of the control that was added.
*/
public function add_control( $id, $args = array() ) {
if ( $id instanceof WP_Customize_Control ) {
$control = $id;
} else {
$control = new WP_Customize_Control( $this, $id, $args );
}
$this->controls[ $control->id ] = $control;
return $control;
}
/**
* Retrieve a customize control.
*
* @since 3.4.0
*
* @param string $id ID of the control.
* @return WP_Customize_Control|void The control object, if set.
*/
public function get_control( $id ) {
if ( isset( $this->controls[ $id ] ) )
return $this->controls[ $id ];
}
/**
* Remove a customize control.
*
* @since 3.4.0
*
* @param string $id ID of the control.
*/
public function remove_control( $id ) {
unset( $this->controls[ $id ] );
}
/**
* Register a customize control type.
*
* Registered types are eligible to be rendered via JS and created dynamically.
*
* @since 4.1.0
* @access public
*
* @param string $control Name of a custom control which is a subclass of
* WP_Customize_Control.
*/
public function register_control_type( $control ) {
$this->registered_control_types[] = $control;
}
/**
* Render JS templates for all registered control types.
*
* @since 4.1.0
* @access public
*/
public function render_control_templates() {
foreach ( $this->registered_control_types as $control_type ) {
$control = new $control_type( $this, 'temp', array(
'settings' => array(),
) );
$control->print_template();
}
?>
priority === $b->priority ) {
return $a->instance_number - $b->instance_number;
} else {
return $a->priority - $b->priority;
}
}
/**
* Prepare panels, sections, and controls.
*
* For each, check if required related components exist,
* whether the user has the necessary capabilities,
* and sort by priority.
*
* @since 3.4.0
*/
public function prepare_controls() {
$controls = array();
$this->controls = wp_list_sort( $this->controls, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
foreach ( $this->controls as $id => $control ) {
if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() ) {
continue;
}
$this->sections[ $control->section ]->controls[] = $control;
$controls[ $id ] = $control;
}
$this->controls = $controls;
// Prepare sections.
$this->sections = wp_list_sort( $this->sections, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
$sections = array();
foreach ( $this->sections as $section ) {
if ( ! $section->check_capabilities() ) {
continue;
}
$section->controls = wp_list_sort( $section->controls, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
) );
if ( ! $section->panel ) {
// Top-level section.
$sections[ $section->id ] = $section;
} else {
// This section belongs to a panel.
if ( isset( $this->panels [ $section->panel ] ) ) {
$this->panels[ $section->panel ]->sections[ $section->id ] = $section;
}
}
}
$this->sections = $sections;
// Prepare panels.
$this->panels = wp_list_sort( $this->panels, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
$panels = array();
foreach ( $this->panels as $panel ) {
if ( ! $panel->check_capabilities() ) {
continue;
}
$panel->sections = wp_list_sort( $panel->sections, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
$panels[ $panel->id ] = $panel;
}
$this->panels = $panels;
// Sort panels and top-level sections together.
$this->containers = array_merge( $this->panels, $this->sections );
$this->containers = wp_list_sort( $this->containers, array(
'priority' => 'ASC',
'instance_number' => 'ASC',
), 'ASC', true );
}
/**
* Enqueue scripts for customize controls.
*
* @since 3.4.0
*/
public function enqueue_control_scripts() {
foreach ( $this->controls as $control ) {
$control->enqueue();
}
if ( ! is_multisite() && ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) || current_user_can( 'delete_themes' ) ) ) {
wp_enqueue_script( 'updates' );
}
}
/**
* Determine whether the user agent is iOS.
*
* @since 4.4.0
* @access public
*
* @return bool Whether the user agent is iOS.
*/
public function is_ios() {
return wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] );
}
/**
* Get the template string for the Customizer pane document title.
*
* @since 4.4.0
* @access public
*
* @return string The template string for the document title.
*/
public function get_document_title_template() {
if ( $this->is_theme_active() ) {
/* translators: %s: document title from the preview */
$document_title_tmpl = __( 'Customize: %s' );
} else {
/* translators: %s: document title from the preview */
$document_title_tmpl = __( 'Live Preview: %s' );
}
$document_title_tmpl = html_entity_decode( $document_title_tmpl, ENT_QUOTES, 'UTF-8' ); // Because exported to JS and assigned to document.title.
return $document_title_tmpl;
}
/**
* Set the initial URL to be previewed.
*
* URL is validated.
*
* @since 4.4.0
* @access public
*
* @param string $preview_url URL to be previewed.
*/
public function set_preview_url( $preview_url ) {
$preview_url = esc_url_raw( $preview_url );
$this->preview_url = wp_validate_redirect( $preview_url, home_url( '/' ) );
}
/**
* Get the initial URL to be previewed.
*
* @since 4.4.0
* @access public
*
* @return string URL being previewed.
*/
public function get_preview_url() {
if ( empty( $this->preview_url ) ) {
$preview_url = home_url( '/' );
} else {
$preview_url = $this->preview_url;
}
return $preview_url;
}
/**
* Determines whether the admin and the frontend are on different domains.
*
* @since 4.7.0
* @access public
*
* @return bool Whether cross-domain.
*/
public function is_cross_domain() {
$admin_origin = wp_parse_url( admin_url() );
$home_origin = wp_parse_url( home_url() );
$cross_domain = ( strtolower( $admin_origin['host'] ) !== strtolower( $home_origin['host'] ) );
return $cross_domain;
}
/**
* Get URLs allowed to be previewed.
*
* If the front end and the admin are served from the same domain, load the
* preview over ssl if the Customizer is being loaded over ssl. This avoids
* insecure content warnings. This is not attempted if the admin and front end
* are on different domains to avoid the case where the front end doesn't have
* ssl certs. Domain mapping plugins can allow other urls in these conditions
* using the customize_allowed_urls filter.
*
* @since 4.7.0
* @access public
*
* @returns array Allowed URLs.
*/
public function get_allowed_urls() {
$allowed_urls = array( home_url( '/' ) );
if ( is_ssl() && ! $this->is_cross_domain() ) {
$allowed_urls[] = home_url( '/', 'https' );
}
/**
* Filters the list of URLs allowed to be clicked and followed in the Customizer preview.
*
* @since 3.4.0
*
* @param array $allowed_urls An array of allowed URLs.
*/
$allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) );
return $allowed_urls;
}
/**
* Get messenger channel.
*
* @since 4.7.0
* @access public
*
* @return string Messenger channel.
*/
public function get_messenger_channel() {
return $this->messenger_channel;
}
/**
* Set URL to link the user to when closing the Customizer.
*
* URL is validated.
*
* @since 4.4.0
* @access public
*
* @param string $return_url URL for return link.
*/
public function set_return_url( $return_url ) {
$return_url = esc_url_raw( $return_url );
$return_url = remove_query_arg( wp_removable_query_args(), $return_url );
$return_url = wp_validate_redirect( $return_url );
$this->return_url = $return_url;
}
/**
* Get URL to link the user to when closing the Customizer.
*
* @since 4.4.0
* @access public
*
* @return string URL for link to close Customizer.
*/
public function get_return_url() {
$referer = wp_get_referer();
$excluded_referer_basenames = array( 'customize.php', 'wp-login.php' );
if ( $this->return_url ) {
$return_url = $this->return_url;
} else if ( $referer && ! in_array( basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) {
$return_url = $referer;
} else if ( $this->preview_url ) {
$return_url = $this->preview_url;
} else {
$return_url = home_url( '/' );
}
return $return_url;
}
/**
* Set the autofocused constructs.
*
* @since 4.4.0
* @access public
*
* @param array $autofocus {
* Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
*
* @type string [$control] ID for control to be autofocused.
* @type string [$section] ID for section to be autofocused.
* @type string [$panel] ID for panel to be autofocused.
* }
*/
public function set_autofocus( $autofocus ) {
$this->autofocus = array_filter( wp_array_slice_assoc( $autofocus, array( 'panel', 'section', 'control' ) ), 'is_string' );
}
/**
* Get the autofocused constructs.
*
* @since 4.4.0
* @access public
*
* @return array {
* Mapping of 'panel', 'section', 'control' to the ID which should be autofocused.
*
* @type string [$control] ID for control to be autofocused.
* @type string [$section] ID for section to be autofocused.
* @type string [$panel] ID for panel to be autofocused.
* }
*/
public function get_autofocus() {
return $this->autofocus;
}
/**
* Get nonces for the Customizer.
*
* @since 4.5.0
* @return array Nonces.
*/
public function get_nonces() {
$nonces = array(
'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ),
'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ),
'switch-themes' => wp_create_nonce( 'switch-themes' ),
);
/**
* Filters nonces for Customizer.
*
* @since 4.2.0
*
* @param array $nonces Array of refreshed nonces for save and
* preview actions.
* @param WP_Customize_Manager $this WP_Customize_Manager instance.
*/
$nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this );
return $nonces;
}
/**
* Print JavaScript settings for parent window.
*
* @since 4.4.0
*/
public function customize_pane_settings() {
$login_url = add_query_arg( array(
'interim-login' => 1,
'customize-login' => 1,
), wp_login_url() );
// Ensure dirty flags are set for modified settings.
foreach ( array_keys( $this->unsanitized_post_values() ) as $setting_id ) {
$setting = $this->get_setting( $setting_id );
if ( $setting ) {
$setting->dirty = true;
}
}
// Prepare Customizer settings to pass to JavaScript.
$settings = array(
'changeset' => array(
'uuid' => $this->changeset_uuid(),
'status' => $this->changeset_post_id() ? get_post_status( $this->changeset_post_id() ) : '',
),
'timeouts' => array(
'windowRefresh' => 250,
'changesetAutoSave' => AUTOSAVE_INTERVAL * 1000,
'keepAliveCheck' => 2500,
'reflowPaneContents' => 100,
'previewFrameSensitivity' => 2000,
),
'theme' => array(
'stylesheet' => $this->get_stylesheet(),
'active' => $this->is_theme_active(),
),
'url' => array(
'preview' => esc_url_raw( $this->get_preview_url() ),
'parent' => esc_url_raw( admin_url() ),
'activated' => esc_url_raw( home_url( '/' ) ),
'ajax' => esc_url_raw( admin_url( 'admin-ajax.php', 'relative' ) ),
'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ),
'isCrossDomain' => $this->is_cross_domain(),
'home' => esc_url_raw( home_url( '/' ) ),
'login' => esc_url_raw( $login_url ),
),
'browser' => array(
'mobile' => wp_is_mobile(),
'ios' => $this->is_ios(),
),
'panels' => array(),
'sections' => array(),
'nonce' => $this->get_nonces(),
'autofocus' => $this->get_autofocus(),
'documentTitleTmpl' => $this->get_document_title_template(),
'previewableDevices' => $this->get_previewable_devices(),
'l10n' => array(
'confirmDeleteTheme' => __( 'Are you sure you want to delete this theme?' ),
/* translators: %d is the number of theme search results, which cannot consider singular vs. plural forms */
'themeSearchResults' => __( '%d themes found' ),
/* translators: %d is the number of themes being displayed, which cannot consider singular vs. plural forms */
'announceThemeCount' => __( 'Displaying %d themes' ),
'announceThemeDetails' => __( 'Showing details for theme: %s' ),
),
);
// Prepare Customize Section objects to pass to JavaScript.
foreach ( $this->sections() as $id => $section ) {
if ( $section->check_capabilities() ) {
$settings['sections'][ $id ] = $section->json();
}
}
// Prepare Customize Panel objects to pass to JavaScript.
foreach ( $this->panels() as $panel_id => $panel ) {
if ( $panel->check_capabilities() ) {
$settings['panels'][ $panel_id ] = $panel->json();
foreach ( $panel->sections as $section_id => $section ) {
if ( $section->check_capabilities() ) {
$settings['sections'][ $section_id ] = $section->json();
}
}
}
}
?>
array(
'label' => __( 'Enter desktop preview mode' ),
'default' => true,
),
'tablet' => array(
'label' => __( 'Enter tablet preview mode' ),
),
'mobile' => array(
'label' => __( 'Enter mobile preview mode' ),
),
);
/**
* Filters the available devices to allow previewing in the Customizer.
*
* @since 4.5.0
*
* @see WP_Customize_Manager::get_previewable_devices()
*
* @param array $devices List of devices with labels and default setting.
*/
$devices = apply_filters( 'customize_previewable_devices', $devices );
return $devices;
}
/**
* Register some default controls.
*
* @since 3.4.0
*/
public function register_controls() {
/* Panel, Section, and Control Types */
$this->register_panel_type( 'WP_Customize_Panel' );
$this->register_panel_type( 'WP_Customize_Themes_Panel' );
$this->register_section_type( 'WP_Customize_Section' );
$this->register_section_type( 'WP_Customize_Sidebar_Section' );
$this->register_section_type( 'WP_Customize_Themes_Section' );
$this->register_control_type( 'WP_Customize_Color_Control' );
$this->register_control_type( 'WP_Customize_Media_Control' );
$this->register_control_type( 'WP_Customize_Upload_Control' );
$this->register_control_type( 'WP_Customize_Image_Control' );
$this->register_control_type( 'WP_Customize_Background_Image_Control' );
$this->register_control_type( 'WP_Customize_Background_Position_Control' );
$this->register_control_type( 'WP_Customize_Cropped_Image_Control' );
$this->register_control_type( 'WP_Customize_Site_Icon_Control' );
$this->register_control_type( 'WP_Customize_Theme_Control' );
/* Themes (controls are loaded via ajax) */
$this->add_panel( new WP_Customize_Themes_Panel( $this, 'themes', array(
'title' => $this->theme()->display( 'Name' ),
'description' => __( 'Once themes are installed, you can live-preview them on your site, customize them, and publish your new design. Browse available themes via the filters in this menu.' ),
'capability' => 'switch_themes',
'priority' => 0,
) ) );
$this->add_section( new WP_Customize_Themes_Section( $this, 'installed_themes', array(
'title' => __( 'Installed' ),
'text_before' => __( 'Your local site' ),
'action' => 'installed',
'capability' => 'switch_themes',
'panel' => 'themes',
'priority' => 0,
) ) );
if ( ! is_multisite() ) {
$this->add_section( new WP_Customize_Themes_Section( $this, 'search_themes', array(
'title' => __( 'Search themes…' ),
'text_before' => __( 'Browse all WordPress.org themes' ),
'action' => 'search',
'capability' => 'install_themes',
'panel' => 'themes',
'priority' => 5,
) ) );
$this->add_section( new WP_Customize_Themes_Section( $this, 'featured_themes', array(
'title' => __( 'Featured' ),
'action' => 'featured',
'capability' => 'install_themes',
'panel' => 'themes',
'priority' => 10,
) ) );
$this->add_section( new WP_Customize_Themes_Section( $this, 'popular_themes', array(
'title' => __( 'Popular' ),
'action' => 'popular',
'capability' => 'install_themes',
'panel' => 'themes',
'priority' => 15,
) ) );
$this->add_section( new WP_Customize_Themes_Section( $this, 'latest_themes', array(
'title' => __( 'Latest' ),
'action' => 'latest',
'capability' => 'install_themes',
'panel' => 'themes',
'priority' => 20,
) ) );
$this->add_section( new WP_Customize_Themes_Section( $this, 'feature_filter_themes', array(
'title' => __( 'Feature Filter' ),
'action' => 'feature_filter',
'capability' => 'install_themes',
'panel' => 'themes',
'priority' => 25,
) ) );
$this->add_section( new WP_Customize_Themes_Section( $this, 'favorites_themes', array(
'title' => __( 'Favorites' ),
'action' => 'favorites',
'capability' => 'install_themes',
'panel' => 'themes',
'priority' => 30,
) ) );
}
// Themes Setting (unused - the theme is considerably more fundamental to the Customizer experience).
$this->add_setting( new WP_Customize_Filter_Setting( $this, 'active_theme', array(
'capability' => 'switch_themes',
) ) );
/* Site Identity */
$this->add_section( 'title_tagline', array(
'title' => __( 'Site Identity' ),
'priority' => 20,
) );
$this->add_setting( 'blogname', array(
'default' => get_option( 'blogname' ),
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'blogname', array(
'label' => __( 'Site Title' ),
'section' => 'title_tagline',
) );
$this->add_setting( 'blogdescription', array(
'default' => get_option( 'blogdescription' ),
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'blogdescription', array(
'label' => __( 'Tagline' ),
'section' => 'title_tagline',
) );
// Add a setting to hide header text if the theme doesn't support custom headers.
if ( ! current_theme_supports( 'custom-header', 'header-text' ) ) {
$this->add_setting( 'header_text', array(
'theme_supports' => array( 'custom-logo', 'header-text' ),
'default' => 1,
'sanitize_callback' => 'absint',
) );
$this->add_control( 'header_text', array(
'label' => __( 'Display Site Title and Tagline' ),
'section' => 'title_tagline',
'settings' => 'header_text',
'type' => 'checkbox',
) );
}
$this->add_setting( 'site_icon', array(
'type' => 'option',
'capability' => 'manage_options',
'transport' => 'postMessage', // Previewed with JS in the Customizer controls window.
) );
$this->add_control( new WP_Customize_Site_Icon_Control( $this, 'site_icon', array(
'label' => __( 'Site Icon' ),
'description' => sprintf(
/* translators: %s: site icon size in pixels */
__( 'The Site Icon is used as a browser and app icon for your site. Icons must be square, and at least %s pixels wide and tall.' ),
'512'
),
'section' => 'title_tagline',
'priority' => 60,
'height' => 512,
'width' => 512,
) ) );
$this->add_setting( 'custom_logo', array(
'theme_supports' => array( 'custom-logo' ),
'transport' => 'postMessage',
) );
$custom_logo_args = get_theme_support( 'custom-logo' );
$this->add_control( new WP_Customize_Cropped_Image_Control( $this, 'custom_logo', array(
'label' => __( 'Logo' ),
'section' => 'title_tagline',
'priority' => 8,
'height' => $custom_logo_args[0]['height'],
'width' => $custom_logo_args[0]['width'],
'flex_height' => $custom_logo_args[0]['flex-height'],
'flex_width' => $custom_logo_args[0]['flex-width'],
'button_labels' => array(
'select' => __( 'Select logo' ),
'change' => __( 'Change logo' ),
'remove' => __( 'Remove' ),
'default' => __( 'Default' ),
'placeholder' => __( 'No logo selected' ),
'frame_title' => __( 'Select logo' ),
'frame_button' => __( 'Choose logo' ),
),
) ) );
$this->selective_refresh->add_partial( 'custom_logo', array(
'settings' => array( 'custom_logo' ),
'selector' => '.custom-logo-link',
'render_callback' => array( $this, '_render_custom_logo_partial' ),
'container_inclusive' => true,
) );
/* Colors */
$this->add_section( 'colors', array(
'title' => __( 'Colors' ),
'priority' => 40,
) );
$this->add_setting( 'header_textcolor', array(
'theme_supports' => array( 'custom-header', 'header-text' ),
'default' => get_theme_support( 'custom-header', 'default-text-color' ),
'sanitize_callback' => array( $this, '_sanitize_header_textcolor' ),
'sanitize_js_callback' => 'maybe_hash_hex_color',
) );
// Input type: checkbox
// With custom value
$this->add_control( 'display_header_text', array(
'settings' => 'header_textcolor',
'label' => __( 'Display Site Title and Tagline' ),
'section' => 'title_tagline',
'type' => 'checkbox',
'priority' => 40,
) );
$this->add_control( new WP_Customize_Color_Control( $this, 'header_textcolor', array(
'label' => __( 'Header Text Color' ),
'section' => 'colors',
) ) );
// Input type: Color
// With sanitize_callback
$this->add_setting( 'background_color', array(
'default' => get_theme_support( 'custom-background', 'default-color' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => 'sanitize_hex_color_no_hash',
'sanitize_js_callback' => 'maybe_hash_hex_color',
) );
$this->add_control( new WP_Customize_Color_Control( $this, 'background_color', array(
'label' => __( 'Background Color' ),
'section' => 'colors',
) ) );
/* Custom Header */
$this->add_section( 'header_image', array(
'title' => __( 'Header Image' ),
'theme_supports' => 'custom-header',
'priority' => 60,
) );
$this->add_setting( new WP_Customize_Filter_Setting( $this, 'header_image', array(
'default' => get_theme_support( 'custom-header', 'default-image' ),
'theme_supports' => 'custom-header',
) ) );
$this->add_setting( new WP_Customize_Header_Image_Setting( $this, 'header_image_data', array(
// 'default' => get_theme_support( 'custom-header', 'default-image' ),
'theme_supports' => 'custom-header',
) ) );
$this->add_control( new WP_Customize_Header_Image_Control( $this ) );
/* Custom Background */
$this->add_section( 'background_image', array(
'title' => __( 'Background Image' ),
'theme_supports' => 'custom-background',
'priority' => 80,
) );
$this->add_setting( 'background_image', array(
'default' => get_theme_support( 'custom-background', 'default-image' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_setting( new WP_Customize_Background_Image_Setting( $this, 'background_image_thumb', array(
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) ) );
$this->add_control( new WP_Customize_Background_Image_Control( $this ) );
$this->add_setting( 'background_preset', array(
'default' => get_theme_support( 'custom-background', 'default-preset' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_control( 'background_preset', array(
'label' => _x( 'Preset', 'Background Preset' ),
'section' => 'background_image',
'type' => 'select',
'choices' => array(
'default' => _x( 'Default', 'Default Preset' ),
'fill' => __( 'Fill Screen' ),
'fit' => __( 'Fit to Screen' ),
'repeat' => _x( 'Repeat', 'Repeat Image' ),
'custom' => _x( 'Custom', 'Custom Preset' ),
),
) );
$this->add_setting( 'background_position_x', array(
'default' => get_theme_support( 'custom-background', 'default-position-x' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_setting( 'background_position_y', array(
'default' => get_theme_support( 'custom-background', 'default-position-y' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_control( new WP_Customize_Background_Position_Control( $this, 'background_position', array(
'label' => __( 'Image Position' ),
'section' => 'background_image',
'settings' => array(
'x' => 'background_position_x',
'y' => 'background_position_y',
),
) ) );
$this->add_setting( 'background_size', array(
'default' => get_theme_support( 'custom-background', 'default-size' ),
'theme_supports' => 'custom-background',
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
) );
$this->add_control( 'background_size', array(
'label' => __( 'Image Size' ),
'section' => 'background_image',
'type' => 'select',
'choices' => array(
'auto' => __( 'Original' ),
'contain' => __( 'Fit to Screen' ),
'cover' => __( 'Fill Screen' ),
),
) );
$this->add_setting( 'background_repeat', array(
'default' => get_theme_support( 'custom-background', 'default-repeat' ),
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
'theme_supports' => 'custom-background',
) );
$this->add_control( 'background_repeat', array(
'label' => __( 'Repeat Background Image' ),
'section' => 'background_image',
'type' => 'checkbox',
) );
$this->add_setting( 'background_attachment', array(
'default' => get_theme_support( 'custom-background', 'default-attachment' ),
'sanitize_callback' => array( $this, '_sanitize_background_setting' ),
'theme_supports' => 'custom-background',
) );
$this->add_control( 'background_attachment', array(
'label' => __( 'Scroll with Page' ),
'section' => 'background_image',
'type' => 'checkbox',
) );
// If the theme is using the default background callback, we can update
// the background CSS using postMessage.
if ( get_theme_support( 'custom-background', 'wp-head-callback' ) === '_custom_background_cb' ) {
foreach ( array( 'color', 'image', 'preset', 'position_x', 'position_y', 'size', 'repeat', 'attachment' ) as $prop ) {
$this->get_setting( 'background_' . $prop )->transport = 'postMessage';
}
}
/*
* Static Front Page
* See also https://core.trac.wordpress.org/ticket/19627 which introduces the the static-front-page theme_support.
* The following replicates behavior from options-reading.php.
*/
$this->add_section( 'static_front_page', array(
'title' => __( 'Static Front Page' ),
'priority' => 120,
'description' => __( 'Your theme supports a static front page.' ),
'active_callback' => array( $this, 'has_published_pages' ),
) );
$this->add_setting( 'show_on_front', array(
'default' => get_option( 'show_on_front' ),
'capability' => 'manage_options',
'type' => 'option',
) );
$this->add_control( 'show_on_front', array(
'label' => __( 'Front page displays' ),
'section' => 'static_front_page',
'type' => 'radio',
'choices' => array(
'posts' => __( 'Your latest posts' ),
'page' => __( 'A static page' ),
),
) );
$this->add_setting( 'page_on_front', array(
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'page_on_front', array(
'label' => __( 'Front page' ),
'section' => 'static_front_page',
'type' => 'dropdown-pages',
'allow_addition' => true,
) );
$this->add_setting( 'page_for_posts', array(
'type' => 'option',
'capability' => 'manage_options',
) );
$this->add_control( 'page_for_posts', array(
'label' => __( 'Posts page' ),
'section' => 'static_front_page',
'type' => 'dropdown-pages',
'allow_addition' => true,
) );
/* Custom CSS */
$this->add_section( 'custom_css', array(
'title' => __( 'Additional CSS' ),
'priority' => 140,
'description_hidden' => true,
'description' => sprintf( '%s
%s%s',
__( 'CSS allows you to customize the appearance and layout of your site with code. Separate CSS is saved for each of your themes.' ),
'https://codex.wordpress.org/Know_Your_Sources#CSS',
__( 'Learn more about CSS' ),
__( '(link opens in a new window)' )
),
) );
$custom_css_setting = new WP_Customize_Custom_CSS_Setting( $this, sprintf( 'custom_css[%s]', get_stylesheet() ), array(
'capability' => 'unfiltered_css',
) );
$this->add_setting( $custom_css_setting );
$this->add_control( 'custom_css', array(
'type' => 'textarea',
'section' => 'custom_css',
'settings' => array( 'default' => $custom_css_setting->id ),
'input_attrs' => array(
'placeholder' => __( "/*\nYou can add your own CSS here.\n\nClick the help icon above to learn more.\n*/" ),
)
) );
}
/**
* Return whether there are published pages.
*
* Used as active callback for static front page section and controls.
*
* @access private
* @since 4.7.0
*
* @returns bool Whether there are published (or to be published) pages.
*/
public function has_published_pages() {
$setting = $this->get_setting( 'nav_menus_created_posts' );
if ( $setting ) {
foreach ( $setting->value() as $post_id ) {
if ( 'page' === get_post_type( $post_id ) ) {
return true;
}
}
}
return 0 !== count( get_pages() );
}
/**
* Add settings from the POST data that were not added with code, e.g. dynamically-created settings for Widgets
*
* @since 4.2.0
* @access public
*
* @see add_dynamic_settings()
*/
public function register_dynamic_settings() {
$setting_ids = array_keys( $this->unsanitized_post_values() );
$this->add_dynamic_settings( $setting_ids );
}
/**
* Load themes into the theme browsing/installation UI.
*
* @since 4.7.0
* @access public
*/
public function load_themes_ajax() {
check_ajax_referer( 'switch-themes', 'switch-themes-nonce' );
if ( ! current_user_can( 'switch_themes' ) ) {
wp_die( -1 );
}
if ( empty( $_POST['theme_action'] ) ) {
wp_send_json_error( 'missing_theme_action' );
}
if ( 'search' === $_POST['theme_action'] && ! array_key_exists( 'search', $_POST ) ) {
wp_send_json_error( 'empty_search' );
} elseif ( 'favorites' === $_POST['theme_action'] && ! array_key_exists( 'user', $_POST ) ) {
wp_send_json_error( 'empty_user' );
} elseif ( 'feature_filter' === $_POST['theme_action'] && ! array_key_exists( 'tags', $_POST ) ) {
wp_send_json_error( 'no_features' );
}
require_once( ABSPATH . 'wp-admin/includes/theme.php' );
if ( 'installed' === $_POST['theme_action'] ) {
$themes = array( 'themes' => wp_prepare_themes_for_js() );
foreach ( $themes['themes'] as &$theme ) {
$theme['type'] = 'installed';
// Set active based on customized theme.
if ( $_POST['customized_theme'] === $theme['id'] ) {
$theme['active'] = true;
} else {
$theme['active'] = false;
}
}
} else {
if ( ! current_user_can( 'install_themes' ) ) {
wp_die( -1 );
}
// Arguments for all queries.
$args = array(
'per_page' => 100,
'page' => absint( $_POST['page'] ),
'fields' => array(
'slug' => true,
'screenshot' => true,
'description' => true,
'requires' => true,
'rating' => true,
'downloaded' => true,
'downloadLink' => true,
'last_updated' => true,
'homepage' => true,
'num_ratings' => true,
'tags' => true,
),
);
// Specialized handling for each query.
switch ( $_POST['theme_action'] ) {
case 'search':
$args['search'] = wp_unslash( $_POST['search'] );
break;
case 'favorites':
$args['user'] = wp_unslash( $_POST['user'] );
case 'featured':
case 'popular':
$args['browse'] = wp_unslash( $_POST['theme_action'] );
break;
case 'latest':
$args['browse'] = 'new';
break;
case 'feature_filter':
$args['tag'] = wp_unslash( $_POST['tags'] );
break;
}
// Load themes from the .org API.
$themes = themes_api( 'query_themes', $args );
if ( is_wp_error( $themes ) ) {
wp_send_json_error();
}
// This list matches the allowed tags in wp-admin/includes/theme-install.php.
$themes_allowedtags = array('a' => array('href' => array(), 'title' => array(), 'target' => array()),
'abbr' => array('title' => array()), 'acronym' => array('title' => array()),
'code' => array(), 'pre' => array(), 'em' => array(), 'strong' => array(),
'div' => array(), 'p' => array(), 'ul' => array(), 'ol' => array(), 'li' => array(),
'h1' => array(), 'h2' => array(), 'h3' => array(), 'h4' => array(), 'h5' => array(), 'h6' => array(),
'img' => array('src' => array(), 'class' => array(), 'alt' => array())
);
// Prepare a list of installed themes to check against before the loop.
$installed_themes = array();
$wp_themes = wp_get_themes();
foreach ( $wp_themes as $theme ) {
$installed_themes[] = $theme->get_stylesheet();
}
$update_php = network_admin_url( 'update.php?action=install-theme' );
foreach ( $themes->themes as &$theme ) {
$theme->install_url = add_query_arg( array(
'theme' => $theme->slug,
'_wpnonce' => wp_create_nonce( 'install-theme_' . $theme->slug ),
), $update_php );
$theme->name = wp_kses( $theme->name, $themes_allowedtags );
$theme->author = wp_kses( $theme->author, $themes_allowedtags );
$theme->version = wp_kses( $theme->version, $themes_allowedtags );
$theme->description = wp_kses( $theme->description, $themes_allowedtags );
$theme->tags = implode( ', ', $theme->tags );
$theme->stars = wp_star_rating( array( 'rating' => $theme->rating, 'type' => 'percent', 'number' => $theme->num_ratings, 'echo' => false ) );
$theme->num_ratings = number_format_i18n( $theme->num_ratings );
$theme->preview_url = set_url_scheme( $theme->preview_url );
// Handle themes that are already installed as installed themes.
if ( in_array( $theme->slug, $installed_themes, true ) ) {
$theme->type = 'installed';
} else {
$theme->type = $_POST['theme_action'];
}
// Set active based on customized theme.
if ( $_POST['customized_theme'] === $theme->slug ) {
$theme->active = true;
} else {
$theme->active = false;
}
// Map available theme properties to installed theme properties.
$theme->id = $theme->slug;
$theme->screenshot = array( $theme->screenshot_url );
$theme->authorAndUri = $theme->author;
unset( $theme->slug );
unset( $theme->screenshot_url );
unset( $theme->author );
} // End foreach().
} // End if().
wp_send_json_success( $themes );
}
/**
* Callback for validating the header_textcolor value.
*
* Accepts 'blank', and otherwise uses sanitize_hex_color_no_hash().
* Returns default text color if hex color is empty.
*
* @since 3.4.0
*
* @param string $color
* @return mixed
*/
public function _sanitize_header_textcolor( $color ) {
if ( 'blank' === $color )
return 'blank';
$color = sanitize_hex_color_no_hash( $color );
if ( empty( $color ) )
$color = get_theme_support( 'custom-header', 'default-text-color' );
return $color;
}
/**
* Callback for validating a background setting value.
*
* @since 4.7.0
* @access private
*
* @param string $value Repeat value.
* @param WP_Customize_Setting $setting Setting.
* @return string|WP_Error Background value or validation error.
*/
public function _sanitize_background_setting( $value, $setting ) {
if ( 'background_repeat' === $setting->id ) {
if ( ! in_array( $value, array( 'repeat-x', 'repeat-y', 'repeat', 'no-repeat' ) ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background repeat.' ) );
}
} else if ( 'background_attachment' === $setting->id ) {
if ( ! in_array( $value, array( 'fixed', 'scroll' ) ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background attachment.' ) );
}
} else if ( 'background_position_x' === $setting->id ) {
if ( ! in_array( $value, array( 'left', 'center', 'right' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background position X.' ) );
}
} else if ( 'background_position_y' === $setting->id ) {
if ( ! in_array( $value, array( 'top', 'center', 'bottom' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background position Y.' ) );
}
} else if ( 'background_size' === $setting->id ) {
if ( ! in_array( $value, array( 'auto', 'contain', 'cover' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background size.' ) );
}
} else if ( 'background_preset' === $setting->id ) {
if ( ! in_array( $value, array( 'default', 'fill', 'fit', 'repeat', 'custom' ), true ) ) {
return new WP_Error( 'invalid_value', __( 'Invalid value for background size.' ) );
}
} else if ( 'background_image' === $setting->id || 'background_image_thumb' === $setting->id ) {
$value = empty( $value ) ? '' : esc_url_raw( $value );
} else {
return new WP_Error( 'unrecognized_setting', __( 'Unrecognized background setting.' ) );
}
return $value;
}
/**
* Callback for rendering the custom logo, used in the custom_logo partial.
*
* This method exists because the partial object and context data are passed
* into a partial's render_callback so we cannot use get_custom_logo() as
* the render_callback directly since it expects a blog ID as the first
* argument. When WP no longer supports PHP 5.3, this method can be removed
* in favor of an anonymous function.
*
* @see WP_Customize_Manager::register_controls()
*
* @since 4.5.0
* @access private
*
* @return string Custom logo.
*/
public function _render_custom_logo_partial() {
return get_custom_logo();
}
}