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1 <?php 2 /** 3 * WordPress Customize Manager classes 4 * 5 * @package WordPress 6 * @subpackage Customize 7 * @since 3.4.0 8 */ 9 10 /** 11 * Customize Manager class. 12 * 13 * Bootstraps the Customize experience on the server-side. 14 * 15 * Sets up the theme-switching process if a theme other than the active one is 16 * being previewed and customized. 17 * 18 * Serves as a factory for Customize Controls and Settings, and 19 * instantiates default Customize Controls and Settings. 20 * 21 * @since 3.4.0 22 */ 23 final class WP_Customize_Manager { 24 /** 25 * An instance of the theme being previewed. 26 * 27 * @since 3.4.0 28 * @var WP_Theme 29 */ 30 protected $theme; 31 32 /** 33 * The directory name of the previously active theme (within the theme_root). 34 * 35 * @since 3.4.0 36 * @var string 37 */ 38 protected $original_stylesheet; 39 40 /** 41 * Whether this is a Customizer pageload. 42 * 43 * @since 3.4.0 44 * @var bool 45 */ 46 protected $previewing = false; 47 48 /** 49 * Methods and properties dealing with managing widgets in the Customizer. 50 * 51 * @since 3.9.0 52 * @var WP_Customize_Widgets 53 */ 54 public $widgets; 55 56 /** 57 * Methods and properties dealing with managing nav menus in the Customizer. 58 * 59 * @since 4.3.0 60 * @var WP_Customize_Nav_Menus 61 */ 62 public $nav_menus; 63 64 /** 65 * Methods and properties dealing with selective refresh in the Customizer preview. 66 * 67 * @since 4.5.0 68 * @var WP_Customize_Selective_Refresh 69 */ 70 public $selective_refresh; 71 72 /** 73 * Registered instances of WP_Customize_Setting. 74 * 75 * @since 3.4.0 76 * @var array 77 */ 78 protected $settings = array(); 79 80 /** 81 * Sorted top-level instances of WP_Customize_Panel and WP_Customize_Section. 82 * 83 * @since 4.0.0 84 * @var array 85 */ 86 protected $containers = array(); 87 88 /** 89 * Registered instances of WP_Customize_Panel. 90 * 91 * @since 4.0.0 92 * @var array 93 */ 94 protected $panels = array(); 95 96 /** 97 * List of core components. 98 * 99 * @since 4.5.0 100 * @var array 101 */ 102 protected $components = array( 'widgets', 'nav_menus' ); 103 104 /** 105 * Registered instances of WP_Customize_Section. 106 * 107 * @since 3.4.0 108 * @var array 109 */ 110 protected $sections = array(); 111 112 /** 113 * Registered instances of WP_Customize_Control. 114 * 115 * @since 3.4.0 116 * @var array 117 */ 118 protected $controls = array(); 119 120 /** 121 * Panel types that may be rendered from JS templates. 122 * 123 * @since 4.3.0 124 * @var array 125 */ 126 protected $registered_panel_types = array(); 127 128 /** 129 * Section types that may be rendered from JS templates. 130 * 131 * @since 4.3.0 132 * @var array 133 */ 134 protected $registered_section_types = array(); 135 136 /** 137 * Control types that may be rendered from JS templates. 138 * 139 * @since 4.1.0 140 * @var array 141 */ 142 protected $registered_control_types = array(); 143 144 /** 145 * Initial URL being previewed. 146 * 147 * @since 4.4.0 148 * @var string 149 */ 150 protected $preview_url; 151 152 /** 153 * URL to link the user to when closing the Customizer. 154 * 155 * @since 4.4.0 156 * @var string 157 */ 158 protected $return_url; 159 160 /** 161 * Mapping of 'panel', 'section', 'control' to the ID which should be autofocused. 162 * 163 * @since 4.4.0 164 * @var array 165 */ 166 protected $autofocus = array(); 167 168 /** 169 * Messenger channel. 170 * 171 * @since 4.7.0 172 * @var string 173 */ 174 protected $messenger_channel; 175 176 /** 177 * Whether the autosave revision of the changeset should be loaded. 178 * 179 * @since 4.9.0 180 * @var bool 181 */ 182 protected $autosaved = false; 183 184 /** 185 * Whether the changeset branching is allowed. 186 * 187 * @since 4.9.0 188 * @var bool 189 */ 190 protected $branching = true; 191 192 /** 193 * Whether settings should be previewed. 194 * 195 * @since 4.9.0 196 * @var bool 197 */ 198 protected $settings_previewed = true; 199 200 /** 201 * Whether a starter content changeset was saved. 202 * 203 * @since 4.9.0 204 * @var bool 205 */ 206 protected $saved_starter_content_changeset = false; 207 208 /** 209 * Unsanitized values for Customize Settings parsed from $_POST['customized']. 210 * 211 * @var array 212 */ 213 private $_post_values; 214 215 /** 216 * Changeset UUID. 217 * 218 * @since 4.7.0 219 * @var string 220 */ 221 private $_changeset_uuid; 222 223 /** 224 * Changeset post ID. 225 * 226 * @since 4.7.0 227 * @var int|false 228 */ 229 private $_changeset_post_id; 230 231 /** 232 * Changeset data loaded from a customize_changeset post. 233 * 234 * @since 4.7.0 235 * @var array|null 236 */ 237 private $_changeset_data; 238 239 /** 240 * Constructor. 241 * 242 * @since 3.4.0 243 * @since 4.7.0 Added `$args` parameter. 244 * 245 * @param array $args { 246 * Args. 247 * 248 * @type null|string|false $changeset_uuid Changeset UUID, the `post_name` for the customize_changeset post containing the customized state. 249 * Defaults to `null` resulting in a UUID to be immediately generated. If `false` is provided, then 250 * then the changeset UUID will be determined during `after_setup_theme`: when the 251 * `customize_changeset_branching` filter returns false, then the default UUID will be that 252 * of the most recent `customize_changeset` post that has a status other than 'auto-draft', 253 * 'publish', or 'trash'. Otherwise, if changeset branching is enabled, then a random UUID will be used. 254 * @type string $theme Theme to be previewed (for theme switch). Defaults to customize_theme or theme query params. 255 * @type string $messenger_channel Messenger channel. Defaults to customize_messenger_channel query param. 256 * @type bool $settings_previewed If settings should be previewed. Defaults to true. 257 * @type bool $branching If changeset branching is allowed; otherwise, changesets are linear. Defaults to true. 258 * @type bool $autosaved If data from a changeset's autosaved revision should be loaded if it exists. Defaults to false. 259 * } 260 */ 261 public function __construct( $args = array() ) { 262 263 $args = array_merge( 264 array_fill_keys( array( 'changeset_uuid', 'theme', 'messenger_channel', 'settings_previewed', 'autosaved', 'branching' ), null ), 265 $args 266 ); 267 268 // Note that the UUID format will be validated in the setup_theme() method. 269 if ( ! isset( $args['changeset_uuid'] ) ) { 270 $args['changeset_uuid'] = wp_generate_uuid4(); 271 } 272 273 // The theme and messenger_channel should be supplied via $args, 274 // but they are also looked at in the $_REQUEST global here for back-compat. 275 if ( ! isset( $args['theme'] ) ) { 276 if ( isset( $_REQUEST['customize_theme'] ) ) { 277 $args['theme'] = wp_unslash( $_REQUEST['customize_theme'] ); 278 } elseif ( isset( $_REQUEST['theme'] ) ) { // Deprecated. 279 $args['theme'] = wp_unslash( $_REQUEST['theme'] ); 280 } 281 } 282 if ( ! isset( $args['messenger_channel'] ) && isset( $_REQUEST['customize_messenger_channel'] ) ) { 283 $args['messenger_channel'] = sanitize_key( wp_unslash( $_REQUEST['customize_messenger_channel'] ) ); 284 } 285 286 $this->original_stylesheet = get_stylesheet(); 287 $this->theme = wp_get_theme( 0 === validate_file( $args['theme'] ) ? $args['theme'] : null ); 288 $this->messenger_channel = $args['messenger_channel']; 289 $this->_changeset_uuid = $args['changeset_uuid']; 290 291 foreach ( array( 'settings_previewed', 'autosaved', 'branching' ) as $key ) { 292 if ( isset( $args[ $key ] ) ) { 293 $this->$key = (bool) $args[ $key ]; 294 } 295 } 296 297 require_once ABSPATH . WPINC . '/class-wp-customize-setting.php'; 298 require_once ABSPATH . WPINC . '/class-wp-customize-panel.php'; 299 require_once ABSPATH . WPINC . '/class-wp-customize-section.php'; 300 require_once ABSPATH . WPINC . '/class-wp-customize-control.php'; 301 302 require_once ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php'; 303 require_once ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php'; 304 require_once ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php'; 305 require_once ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php'; 306 require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php'; 307 require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php'; 308 require_once ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php'; 309 require_once ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php'; 310 require_once ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php'; 311 require_once ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php'; 312 require_once ABSPATH . WPINC . '/customize/class-wp-customize-code-editor-control.php'; 313 require_once ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php'; 314 require_once ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php'; 315 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php'; 316 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php'; 317 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php'; 318 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php'; 319 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-locations-control.php'; 320 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php'; 321 322 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menus-panel.php'; 323 324 require_once ABSPATH . WPINC . '/customize/class-wp-customize-themes-panel.php'; 325 require_once ABSPATH . WPINC . '/customize/class-wp-customize-themes-section.php'; 326 require_once ABSPATH . WPINC . '/customize/class-wp-customize-sidebar-section.php'; 327 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-section.php'; 328 329 require_once ABSPATH . WPINC . '/customize/class-wp-customize-custom-css-setting.php'; 330 require_once ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php'; 331 require_once ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php'; 332 require_once ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php'; 333 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php'; 334 require_once ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php'; 335 336 /** 337 * Filters the core Customizer components to load. 338 * 339 * This allows Core components to be excluded from being instantiated by 340 * filtering them out of the array. Note that this filter generally runs 341 * during the {@see 'plugins_loaded'} action, so it cannot be added 342 * in a theme. 343 * 344 * @since 4.4.0 345 * 346 * @see WP_Customize_Manager::__construct() 347 * 348 * @param string[] $components Array of core components to load. 349 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 350 */ 351 $components = apply_filters( 'customize_loaded_components', $this->components, $this ); 352 353 require_once ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php'; 354 $this->selective_refresh = new WP_Customize_Selective_Refresh( $this ); 355 356 if ( in_array( 'widgets', $components, true ) ) { 357 require_once ABSPATH . WPINC . '/class-wp-customize-widgets.php'; 358 $this->widgets = new WP_Customize_Widgets( $this ); 359 } 360 361 if ( in_array( 'nav_menus', $components, true ) ) { 362 require_once ABSPATH . WPINC . '/class-wp-customize-nav-menus.php'; 363 $this->nav_menus = new WP_Customize_Nav_Menus( $this ); 364 } 365 366 add_action( 'setup_theme', array( $this, 'setup_theme' ) ); 367 add_action( 'wp_loaded', array( $this, 'wp_loaded' ) ); 368 369 // Do not spawn cron (especially the alternate cron) while running the Customizer. 370 remove_action( 'init', 'wp_cron' ); 371 372 // Do not run update checks when rendering the controls. 373 remove_action( 'admin_init', '_maybe_update_core' ); 374 remove_action( 'admin_init', '_maybe_update_plugins' ); 375 remove_action( 'admin_init', '_maybe_update_themes' ); 376 377 add_action( 'wp_ajax_customize_save', array( $this, 'save' ) ); 378 add_action( 'wp_ajax_customize_trash', array( $this, 'handle_changeset_trash_request' ) ); 379 add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) ); 380 add_action( 'wp_ajax_customize_load_themes', array( $this, 'handle_load_themes_request' ) ); 381 add_filter( 'heartbeat_settings', array( $this, 'add_customize_screen_to_heartbeat_settings' ) ); 382 add_filter( 'heartbeat_received', array( $this, 'check_changeset_lock_with_heartbeat' ), 10, 3 ); 383 add_action( 'wp_ajax_customize_override_changeset_lock', array( $this, 'handle_override_changeset_lock_request' ) ); 384 add_action( 'wp_ajax_customize_dismiss_autosave_or_lock', array( $this, 'handle_dismiss_autosave_or_lock_request' ) ); 385 386 add_action( 'customize_register', array( $this, 'register_controls' ) ); 387 add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // Allow code to create settings first. 388 add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) ); 389 add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) ); 390 391 // Render Common, Panel, Section, and Control templates. 392 add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_panel_templates' ), 1 ); 393 add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_section_templates' ), 1 ); 394 add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_control_templates' ), 1 ); 395 396 // Export header video settings with the partial response. 397 add_filter( 'customize_render_partials_response', array( $this, 'export_header_video_settings' ), 10, 3 ); 398 399 // Export the settings to JS via the _wpCustomizeSettings variable. 400 add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 ); 401 402 // Add theme update notices. 403 if ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) ) { 404 require_once ABSPATH . 'wp-admin/includes/update.php'; 405 add_action( 'customize_controls_print_footer_scripts', 'wp_print_admin_notice_templates' ); 406 } 407 } 408 409 /** 410 * Return true if it's an Ajax request. 411 * 412 * @since 3.4.0 413 * @since 4.2.0 Added `$action` param. 414 * 415 * @param string|null $action Whether the supplied Ajax action is being run. 416 * @return bool True if it's an Ajax request, false otherwise. 417 */ 418 public function doing_ajax( $action = null ) { 419 if ( ! wp_doing_ajax() ) { 420 return false; 421 } 422 423 if ( ! $action ) { 424 return true; 425 } else { 426 /* 427 * Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need 428 * to check before admin-ajax.php gets to that point. 429 */ 430 return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action; 431 } 432 } 433 434 /** 435 * Custom wp_die wrapper. Returns either the standard message for UI 436 * or the Ajax message. 437 * 438 * @since 3.4.0 439 * 440 * @param string|WP_Error $ajax_message Ajax return. 441 * @param string $message Optional. UI message. 442 */ 443 protected function wp_die( $ajax_message, $message = null ) { 444 if ( $this->doing_ajax() ) { 445 wp_die( $ajax_message ); 446 } 447 448 if ( ! $message ) { 449 $message = __( 'Something went wrong.' ); 450 } 451 452 if ( $this->messenger_channel ) { 453 ob_start(); 454 wp_enqueue_scripts(); 455 wp_print_scripts( array( 'customize-base' ) ); 456 457 $settings = array( 458 'messengerArgs' => array( 459 'channel' => $this->messenger_channel, 460 'url' => wp_customize_url(), 461 ), 462 'error' => $ajax_message, 463 ); 464 ?> 465 <script> 466 ( function( api, settings ) { 467 var preview = new api.Messenger( settings.messengerArgs ); 468 preview.send( 'iframe-loading-error', settings.error ); 469 } )( wp.customize, <?php echo wp_json_encode( $settings ); ?> ); 470 </script> 471 <?php 472 $message .= ob_get_clean(); 473 } 474 475 wp_die( $message ); 476 } 477 478 /** 479 * Return the Ajax wp_die() handler if it's a customized request. 480 * 481 * @since 3.4.0 482 * @deprecated 4.7.0 483 * 484 * @return callable Die handler. 485 */ 486 public function wp_die_handler() { 487 _deprecated_function( __METHOD__, '4.7.0' ); 488 489 if ( $this->doing_ajax() || isset( $_POST['customized'] ) ) { 490 return '_ajax_wp_die_handler'; 491 } 492 493 return '_default_wp_die_handler'; 494 } 495 496 /** 497 * Start preview and customize theme. 498 * 499 * Check if customize query variable exist. Init filters to filter the current theme. 500 * 501 * @since 3.4.0 502 * 503 * @global string $pagenow 504 */ 505 public function setup_theme() { 506 global $pagenow; 507 508 // Check permissions for customize.php access since this method is called before customize.php can run any code. 509 if ( 'customize.php' === $pagenow && ! current_user_can( 'customize' ) ) { 510 if ( ! is_user_logged_in() ) { 511 auth_redirect(); 512 } else { 513 wp_die( 514 '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' . 515 '<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>', 516 403 517 ); 518 } 519 return; 520 } 521 522 // If a changeset was provided is invalid. 523 if ( isset( $this->_changeset_uuid ) && false !== $this->_changeset_uuid && ! wp_is_uuid( $this->_changeset_uuid ) ) { 524 $this->wp_die( -1, __( 'Invalid changeset UUID' ) ); 525 } 526 527 /* 528 * Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer 529 * application will inject the customize_preview_nonce query parameter into all Ajax requests. 530 * For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out 531 * a user when a valid nonce isn't present. 532 */ 533 $has_post_data_nonce = ( 534 check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false ) 535 || 536 check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false ) 537 || 538 check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false ) 539 ); 540 if ( ! current_user_can( 'customize' ) || ! $has_post_data_nonce ) { 541 unset( $_POST['customized'] ); 542 unset( $_REQUEST['customized'] ); 543 } 544 545 /* 546 * If unauthenticated then require a valid changeset UUID to load the preview. 547 * In this way, the UUID serves as a secret key. If the messenger channel is present, 548 * then send unauthenticated code to prompt re-auth. 549 */ 550 if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) { 551 $this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-existent changeset UUID.' ) ); 552 } 553 554 if ( ! headers_sent() ) { 555 send_origin_headers(); 556 } 557 558 // Hide the admin bar if we're embedded in the customizer iframe. 559 if ( $this->messenger_channel ) { 560 show_admin_bar( false ); 561 } 562 563 if ( $this->is_theme_active() ) { 564 // Once the theme is loaded, we'll validate it. 565 add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) ); 566 } else { 567 // If the requested theme is not the active theme and the user doesn't have 568 // the switch_themes cap, bail. 569 if ( ! current_user_can( 'switch_themes' ) ) { 570 $this->wp_die( -1, __( 'Sorry, you are not allowed to edit theme options on this site.' ) ); 571 } 572 573 // If the theme has errors while loading, bail. 574 if ( $this->theme()->errors() ) { 575 $this->wp_die( -1, $this->theme()->errors()->get_error_message() ); 576 } 577 578 // If the theme isn't allowed per multisite settings, bail. 579 if ( ! $this->theme()->is_allowed() ) { 580 $this->wp_die( -1, __( 'The requested theme does not exist.' ) ); 581 } 582 } 583 584 // Make sure changeset UUID is established immediately after the theme is loaded. 585 add_action( 'after_setup_theme', array( $this, 'establish_loaded_changeset' ), 5 ); 586 587 /* 588 * Import theme starter content for fresh installations when landing in the customizer. 589 * Import starter content at after_setup_theme:100 so that any 590 * add_theme_support( 'starter-content' ) calls will have been made. 591 */ 592 if ( get_option( 'fresh_site' ) && 'customize.php' === $pagenow ) { 593 add_action( 'after_setup_theme', array( $this, 'import_theme_starter_content' ), 100 ); 594 } 595 596 $this->start_previewing_theme(); 597 } 598 599 /** 600 * Establish the loaded changeset. 601 * 602 * This method runs right at after_setup_theme and applies the 'customize_changeset_branching' filter to determine 603 * whether concurrent changesets are allowed. Then if the Customizer is not initialized with a `changeset_uuid` param, 604 * this method will determine which UUID should be used. If changeset branching is disabled, then the most saved 605 * changeset will be loaded by default. Otherwise, if there are no existing saved changesets or if changeset branching is 606 * enabled, then a new UUID will be generated. 607 * 608 * @since 4.9.0 609 * 610 * @global string $pagenow 611 */ 612 public function establish_loaded_changeset() { 613 global $pagenow; 614 615 if ( empty( $this->_changeset_uuid ) ) { 616 $changeset_uuid = null; 617 618 if ( ! $this->branching() && $this->is_theme_active() ) { 619 $unpublished_changeset_posts = $this->get_changeset_posts( 620 array( 621 'post_status' => array_diff( get_post_stati(), array( 'auto-draft', 'publish', 'trash', 'inherit', 'private' ) ), 622 'exclude_restore_dismissed' => false, 623 'author' => 'any', 624 'posts_per_page' => 1, 625 'order' => 'DESC', 626 'orderby' => 'date', 627 ) 628 ); 629 $unpublished_changeset_post = array_shift( $unpublished_changeset_posts ); 630 if ( ! empty( $unpublished_changeset_post ) && wp_is_uuid( $unpublished_changeset_post->post_name ) ) { 631 $changeset_uuid = $unpublished_changeset_post->post_name; 632 } 633 } 634 635 // If no changeset UUID has been set yet, then generate a new one. 636 if ( empty( $changeset_uuid ) ) { 637 $changeset_uuid = wp_generate_uuid4(); 638 } 639 640 $this->_changeset_uuid = $changeset_uuid; 641 } 642 643 if ( is_admin() && 'customize.php' === $pagenow ) { 644 $this->set_changeset_lock( $this->changeset_post_id() ); 645 } 646 } 647 648 /** 649 * Callback to validate a theme once it is loaded 650 * 651 * @since 3.4.0 652 */ 653 public function after_setup_theme() { 654 $doing_ajax_or_is_customized = ( $this->doing_ajax() || isset( $_POST['customized'] ) ); 655 if ( ! $doing_ajax_or_is_customized && ! validate_current_theme() ) { 656 wp_redirect( 'themes.php?broken=true' ); 657 exit; 658 } 659 } 660 661 /** 662 * If the theme to be previewed isn't the active theme, add filter callbacks 663 * to swap it out at runtime. 664 * 665 * @since 3.4.0 666 */ 667 public function start_previewing_theme() { 668 // Bail if we're already previewing. 669 if ( $this->is_preview() ) { 670 return; 671 } 672 673 $this->previewing = true; 674 675 if ( ! $this->is_theme_active() ) { 676 add_filter( 'template', array( $this, 'get_template' ) ); 677 add_filter( 'stylesheet', array( $this, 'get_stylesheet' ) ); 678 add_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) ); 679 680 // @link: https://core.trac.wordpress.org/ticket/20027 681 add_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) ); 682 add_filter( 'pre_option_template', array( $this, 'get_template' ) ); 683 684 // Handle custom theme roots. 685 add_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) ); 686 add_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) ); 687 } 688 689 /** 690 * Fires once the Customizer theme preview has started. 691 * 692 * @since 3.4.0 693 * 694 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 695 */ 696 do_action( 'start_previewing_theme', $this ); 697 } 698 699 /** 700 * Stop previewing the selected theme. 701 * 702 * Removes filters to change the current theme. 703 * 704 * @since 3.4.0 705 */ 706 public function stop_previewing_theme() { 707 if ( ! $this->is_preview() ) { 708 return; 709 } 710 711 $this->previewing = false; 712 713 if ( ! $this->is_theme_active() ) { 714 remove_filter( 'template', array( $this, 'get_template' ) ); 715 remove_filter( 'stylesheet', array( $this, 'get_stylesheet' ) ); 716 remove_filter( 'pre_option_current_theme', array( $this, 'current_theme' ) ); 717 718 // @link: https://core.trac.wordpress.org/ticket/20027 719 remove_filter( 'pre_option_stylesheet', array( $this, 'get_stylesheet' ) ); 720 remove_filter( 'pre_option_template', array( $this, 'get_template' ) ); 721 722 // Handle custom theme roots. 723 remove_filter( 'pre_option_stylesheet_root', array( $this, 'get_stylesheet_root' ) ); 724 remove_filter( 'pre_option_template_root', array( $this, 'get_template_root' ) ); 725 } 726 727 /** 728 * Fires once the Customizer theme preview has stopped. 729 * 730 * @since 3.4.0 731 * 732 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 733 */ 734 do_action( 'stop_previewing_theme', $this ); 735 } 736 737 /** 738 * Gets whether settings are or will be previewed. 739 * 740 * @since 4.9.0 741 * 742 * @see WP_Customize_Setting::preview() 743 * 744 * @return bool 745 */ 746 public function settings_previewed() { 747 return $this->settings_previewed; 748 } 749 750 /** 751 * Gets whether data from a changeset's autosaved revision should be loaded if it exists. 752 * 753 * @since 4.9.0 754 * 755 * @see WP_Customize_Manager::changeset_data() 756 * 757 * @return bool Is using autosaved changeset revision. 758 */ 759 public function autosaved() { 760 return $this->autosaved; 761 } 762 763 /** 764 * Whether the changeset branching is allowed. 765 * 766 * @since 4.9.0 767 * 768 * @see WP_Customize_Manager::establish_loaded_changeset() 769 * 770 * @return bool Is changeset branching. 771 */ 772 public function branching() { 773 774 /** 775 * Filters whether or not changeset branching is allowed. 776 * 777 * By default in core, when changeset branching is not allowed, changesets will operate 778 * linearly in that only one saved changeset will exist at a time (with a 'draft' or 779 * 'future' status). This makes the Customizer operate in a way that is similar to going to 780 * "edit" to one existing post: all users will be making changes to the same post, and autosave 781 * revisions will be made for that post. 782 * 783 * By contrast, when changeset branching is allowed, then the model is like users going 784 * to "add new" for a page and each user makes changes independently of each other since 785 * they are all operating on their own separate pages, each getting their own separate 786 * initial auto-drafts and then once initially saved, autosave revisions on top of that 787 * user's specific post. 788 * 789 * Since linear changesets are deemed to be more suitable for the majority of WordPress users, 790 * they are the default. For WordPress sites that have heavy site management in the Customizer 791 * by multiple users then branching changesets should be enabled by means of this filter. 792 * 793 * @since 4.9.0 794 * 795 * @param bool $allow_branching Whether branching is allowed. If `false`, the default, 796 * then only one saved changeset exists at a time. 797 * @param WP_Customize_Manager $wp_customize Manager instance. 798 */ 799 $this->branching = apply_filters( 'customize_changeset_branching', $this->branching, $this ); 800 801 return $this->branching; 802 } 803 804 /** 805 * Get the changeset UUID. 806 * 807 * @since 4.7.0 808 * 809 * @see WP_Customize_Manager::establish_loaded_changeset() 810 * 811 * @return string UUID. 812 */ 813 public function changeset_uuid() { 814 if ( empty( $this->_changeset_uuid ) ) { 815 $this->establish_loaded_changeset(); 816 } 817 return $this->_changeset_uuid; 818 } 819 820 /** 821 * Get the theme being customized. 822 * 823 * @since 3.4.0 824 * 825 * @return WP_Theme 826 */ 827 public function theme() { 828 if ( ! $this->theme ) { 829 $this->theme = wp_get_theme(); 830 } 831 return $this->theme; 832 } 833 834 /** 835 * Get the registered settings. 836 * 837 * @since 3.4.0 838 * 839 * @return array 840 */ 841 public function settings() { 842 return $this->settings; 843 } 844 845 /** 846 * Get the registered controls. 847 * 848 * @since 3.4.0 849 * 850 * @return array 851 */ 852 public function controls() { 853 return $this->controls; 854 } 855 856 /** 857 * Get the registered containers. 858 * 859 * @since 4.0.0 860 * 861 * @return array 862 */ 863 public function containers() { 864 return $this->containers; 865 } 866 867 /** 868 * Get the registered sections. 869 * 870 * @since 3.4.0 871 * 872 * @return array 873 */ 874 public function sections() { 875 return $this->sections; 876 } 877 878 /** 879 * Get the registered panels. 880 * 881 * @since 4.0.0 882 * 883 * @return array Panels. 884 */ 885 public function panels() { 886 return $this->panels; 887 } 888 889 /** 890 * Checks if the current theme is active. 891 * 892 * @since 3.4.0 893 * 894 * @return bool 895 */ 896 public function is_theme_active() { 897 return $this->get_stylesheet() === $this->original_stylesheet; 898 } 899 900 /** 901 * Register styles/scripts and initialize the preview of each setting 902 * 903 * @since 3.4.0 904 */ 905 public function wp_loaded() { 906 907 // Unconditionally register core types for panels, sections, and controls 908 // in case plugin unhooks all customize_register actions. 909 $this->register_panel_type( 'WP_Customize_Panel' ); 910 $this->register_panel_type( 'WP_Customize_Themes_Panel' ); 911 $this->register_section_type( 'WP_Customize_Section' ); 912 $this->register_section_type( 'WP_Customize_Sidebar_Section' ); 913 $this->register_section_type( 'WP_Customize_Themes_Section' ); 914 $this->register_control_type( 'WP_Customize_Color_Control' ); 915 $this->register_control_type( 'WP_Customize_Media_Control' ); 916 $this->register_control_type( 'WP_Customize_Upload_Control' ); 917 $this->register_control_type( 'WP_Customize_Image_Control' ); 918 $this->register_control_type( 'WP_Customize_Background_Image_Control' ); 919 $this->register_control_type( 'WP_Customize_Background_Position_Control' ); 920 $this->register_control_type( 'WP_Customize_Cropped_Image_Control' ); 921 $this->register_control_type( 'WP_Customize_Site_Icon_Control' ); 922 $this->register_control_type( 'WP_Customize_Theme_Control' ); 923 $this->register_control_type( 'WP_Customize_Code_Editor_Control' ); 924 $this->register_control_type( 'WP_Customize_Date_Time_Control' ); 925 926 /** 927 * Fires once WordPress has loaded, allowing scripts and styles to be initialized. 928 * 929 * @since 3.4.0 930 * 931 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 932 */ 933 do_action( 'customize_register', $this ); 934 935 if ( $this->settings_previewed() ) { 936 foreach ( $this->settings as $setting ) { 937 $setting->preview(); 938 } 939 } 940 941 if ( $this->is_preview() && ! is_admin() ) { 942 $this->customize_preview_init(); 943 } 944 } 945 946 /** 947 * Prevents Ajax requests from following redirects when previewing a theme 948 * by issuing a 200 response instead of a 30x. 949 * 950 * Instead, the JS will sniff out the location header. 951 * 952 * @since 3.4.0 953 * @deprecated 4.7.0 954 * 955 * @param int $status Status. 956 * @return int 957 */ 958 public function wp_redirect_status( $status ) { 959 _deprecated_function( __FUNCTION__, '4.7.0' ); 960 961 if ( $this->is_preview() && ! is_admin() ) { 962 return 200; 963 } 964 965 return $status; 966 } 967 968 /** 969 * Find the changeset post ID for a given changeset UUID. 970 * 971 * @since 4.7.0 972 * 973 * @param string $uuid Changeset UUID. 974 * @return int|null Returns post ID on success and null on failure. 975 */ 976 public function find_changeset_post_id( $uuid ) { 977 $cache_group = 'customize_changeset_post'; 978 $changeset_post_id = wp_cache_get( $uuid, $cache_group ); 979 if ( $changeset_post_id && 'customize_changeset' === get_post_type( $changeset_post_id ) ) { 980 return $changeset_post_id; 981 } 982 983 $changeset_post_query = new WP_Query( 984 array( 985 'post_type' => 'customize_changeset', 986 'post_status' => get_post_stati(), 987 'name' => $uuid, 988 'posts_per_page' => 1, 989 'no_found_rows' => true, 990 'cache_results' => true, 991 'update_post_meta_cache' => false, 992 'update_post_term_cache' => false, 993 'lazy_load_term_meta' => false, 994 ) 995 ); 996 if ( ! empty( $changeset_post_query->posts ) ) { 997 // Note: 'fields'=>'ids' is not being used in order to cache the post object as it will be needed. 998 $changeset_post_id = $changeset_post_query->posts[0]->ID; 999 wp_cache_set( $uuid, $changeset_post_id, $cache_group ); 1000 return $changeset_post_id; 1001 } 1002 1003 return null; 1004 } 1005 1006 /** 1007 * Get changeset posts. 1008 * 1009 * @since 4.9.0 1010 * 1011 * @param array $args { 1012 * Args to pass into `get_posts()` to query changesets. 1013 * 1014 * @type int $posts_per_page Number of posts to return. Defaults to -1 (all posts). 1015 * @type int $author Post author. Defaults to current user. 1016 * @type string $post_status Status of changeset. Defaults to 'auto-draft'. 1017 * @type bool $exclude_restore_dismissed Whether to exclude changeset auto-drafts that have been dismissed. Defaults to true. 1018 * } 1019 * @return WP_Post[] Auto-draft changesets. 1020 */ 1021 protected function get_changeset_posts( $args = array() ) { 1022 $default_args = array( 1023 'exclude_restore_dismissed' => true, 1024 'posts_per_page' => -1, 1025 'post_type' => 'customize_changeset', 1026 'post_status' => 'auto-draft', 1027 'order' => 'DESC', 1028 'orderby' => 'date', 1029 'no_found_rows' => true, 1030 'cache_results' => true, 1031 'update_post_meta_cache' => false, 1032 'update_post_term_cache' => false, 1033 'lazy_load_term_meta' => false, 1034 ); 1035 if ( get_current_user_id() ) { 1036 $default_args['author'] = get_current_user_id(); 1037 } 1038 $args = array_merge( $default_args, $args ); 1039 1040 if ( ! empty( $args['exclude_restore_dismissed'] ) ) { 1041 unset( $args['exclude_restore_dismissed'] ); 1042 $args['meta_query'] = array( 1043 array( 1044 'key' => '_customize_restore_dismissed', 1045 'compare' => 'NOT EXISTS', 1046 ), 1047 ); 1048 } 1049 1050 return get_posts( $args ); 1051 } 1052 1053 /** 1054 * Dismiss all of the current user's auto-drafts (other than the present one). 1055 * 1056 * @since 4.9.0 1057 * @return int The number of auto-drafts that were dismissed. 1058 */ 1059 protected function dismiss_user_auto_draft_changesets() { 1060 $changeset_autodraft_posts = $this->get_changeset_posts( 1061 array( 1062 'post_status' => 'auto-draft', 1063 'exclude_restore_dismissed' => true, 1064 'posts_per_page' => -1, 1065 ) 1066 ); 1067 $dismissed = 0; 1068 foreach ( $changeset_autodraft_posts as $autosave_autodraft_post ) { 1069 if ( $autosave_autodraft_post->ID === $this->changeset_post_id() ) { 1070 continue; 1071 } 1072 if ( update_post_meta( $autosave_autodraft_post->ID, '_customize_restore_dismissed', true ) ) { 1073 $dismissed++; 1074 } 1075 } 1076 return $dismissed; 1077 } 1078 1079 /** 1080 * Get the changeset post ID for the loaded changeset. 1081 * 1082 * @since 4.7.0 1083 * 1084 * @return int|null Post ID on success or null if there is no post yet saved. 1085 */ 1086 public function changeset_post_id() { 1087 if ( ! isset( $this->_changeset_post_id ) ) { 1088 $post_id = $this->find_changeset_post_id( $this->changeset_uuid() ); 1089 if ( ! $post_id ) { 1090 $post_id = false; 1091 } 1092 $this->_changeset_post_id = $post_id; 1093 } 1094 if ( false === $this->_changeset_post_id ) { 1095 return null; 1096 } 1097 return $this->_changeset_post_id; 1098 } 1099 1100 /** 1101 * Get the data stored in a changeset post. 1102 * 1103 * @since 4.7.0 1104 * 1105 * @param int $post_id Changeset post ID. 1106 * @return array|WP_Error Changeset data or WP_Error on error. 1107 */ 1108 protected function get_changeset_post_data( $post_id ) { 1109 if ( ! $post_id ) { 1110 return new WP_Error( 'empty_post_id' ); 1111 } 1112 $changeset_post = get_post( $post_id ); 1113 if ( ! $changeset_post ) { 1114 return new WP_Error( 'missing_post' ); 1115 } 1116 if ( 'revision' === $changeset_post->post_type ) { 1117 if ( 'customize_changeset' !== get_post_type( $changeset_post->post_parent ) ) { 1118 return new WP_Error( 'wrong_post_type' ); 1119 } 1120 } elseif ( 'customize_changeset' !== $changeset_post->post_type ) { 1121 return new WP_Error( 'wrong_post_type' ); 1122 } 1123 $changeset_data = json_decode( $changeset_post->post_content, true ); 1124 $last_error = json_last_error(); 1125 if ( $last_error ) { 1126 return new WP_Error( 'json_parse_error', '', $last_error ); 1127 } 1128 if ( ! is_array( $changeset_data ) ) { 1129 return new WP_Error( 'expected_array' ); 1130 } 1131 return $changeset_data; 1132 } 1133 1134 /** 1135 * Get changeset data. 1136 * 1137 * @since 4.7.0 1138 * @since 4.9.0 This will return the changeset's data with a user's autosave revision merged on top, if one exists and $autosaved is true. 1139 * 1140 * @return array Changeset data. 1141 */ 1142 public function changeset_data() { 1143 if ( isset( $this->_changeset_data ) ) { 1144 return $this->_changeset_data; 1145 } 1146 $changeset_post_id = $this->changeset_post_id(); 1147 if ( ! $changeset_post_id ) { 1148 $this->_changeset_data = array(); 1149 } else { 1150 if ( $this->autosaved() && is_user_logged_in() ) { 1151 $autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() ); 1152 if ( $autosave_post ) { 1153 $data = $this->get_changeset_post_data( $autosave_post->ID ); 1154 if ( ! is_wp_error( $data ) ) { 1155 $this->_changeset_data = $data; 1156 } 1157 } 1158 } 1159 1160 // Load data from the changeset if it was not loaded from an autosave. 1161 if ( ! isset( $this->_changeset_data ) ) { 1162 $data = $this->get_changeset_post_data( $changeset_post_id ); 1163 if ( ! is_wp_error( $data ) ) { 1164 $this->_changeset_data = $data; 1165 } else { 1166 $this->_changeset_data = array(); 1167 } 1168 } 1169 } 1170 return $this->_changeset_data; 1171 } 1172 1173 /** 1174 * Starter content setting IDs. 1175 * 1176 * @since 4.7.0 1177 * @var array 1178 */ 1179 protected $pending_starter_content_settings_ids = array(); 1180 1181 /** 1182 * Import theme starter content into the customized state. 1183 * 1184 * @since 4.7.0 1185 * 1186 * @param array $starter_content Starter content. Defaults to `get_theme_starter_content()`. 1187 */ 1188 function import_theme_starter_content( $starter_content = array() ) { 1189 if ( empty( $starter_content ) ) { 1190 $starter_content = get_theme_starter_content(); 1191 } 1192 1193 $changeset_data = array(); 1194 if ( $this->changeset_post_id() ) { 1195 /* 1196 * Don't re-import starter content into a changeset saved persistently. 1197 * This will need to be revisited in the future once theme switching 1198 * is allowed with drafted/scheduled changesets, since switching to 1199 * another theme could result in more starter content being applied. 1200 * However, when doing an explicit save it is currently possible for 1201 * nav menus and nav menu items specifically to lose their starter_content 1202 * flags, thus resulting in duplicates being created since they fail 1203 * to get re-used. See #40146. 1204 */ 1205 if ( 'auto-draft' !== get_post_status( $this->changeset_post_id() ) ) { 1206 return; 1207 } 1208 1209 $changeset_data = $this->get_changeset_post_data( $this->changeset_post_id() ); 1210 } 1211 1212 $sidebars_widgets = isset( $starter_content['widgets'] ) && ! empty( $this->widgets ) ? $starter_content['widgets'] : array(); 1213 $attachments = isset( $starter_content['attachments'] ) && ! empty( $this->nav_menus ) ? $starter_content['attachments'] : array(); 1214 $posts = isset( $starter_content['posts'] ) && ! empty( $this->nav_menus ) ? $starter_content['posts'] : array(); 1215 $options = isset( $starter_content['options'] ) ? $starter_content['options'] : array(); 1216 $nav_menus = isset( $starter_content['nav_menus'] ) && ! empty( $this->nav_menus ) ? $starter_content['nav_menus'] : array(); 1217 $theme_mods = isset( $starter_content['theme_mods'] ) ? $starter_content['theme_mods'] : array(); 1218 1219 // Widgets. 1220 $max_widget_numbers = array(); 1221 foreach ( $sidebars_widgets as $sidebar_id => $widgets ) { 1222 $sidebar_widget_ids = array(); 1223 foreach ( $widgets as $widget ) { 1224 list( $id_base, $instance ) = $widget; 1225 1226 if ( ! isset( $max_widget_numbers[ $id_base ] ) ) { 1227 1228 // When $settings is an array-like object, get an intrinsic array for use with array_keys(). 1229 $settings = get_option( "widget_{$id_base}", array() ); 1230 if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) { 1231 $settings = $settings->getArrayCopy(); 1232 } 1233 1234 // Find the max widget number for this type. 1235 $widget_numbers = array_keys( $settings ); 1236 if ( count( $widget_numbers ) > 0 ) { 1237 $widget_numbers[] = 1; 1238 $max_widget_numbers[ $id_base ] = max( ...$widget_numbers ); 1239 } else { 1240 $max_widget_numbers[ $id_base ] = 1; 1241 } 1242 } 1243 $max_widget_numbers[ $id_base ] += 1; 1244 1245 $widget_id = sprintf( '%s-%d', $id_base, $max_widget_numbers[ $id_base ] ); 1246 $setting_id = sprintf( 'widget_%s[%d]', $id_base, $max_widget_numbers[ $id_base ] ); 1247 1248 $setting_value = $this->widgets->sanitize_widget_js_instance( $instance ); 1249 if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) { 1250 $this->set_post_value( $setting_id, $setting_value ); 1251 $this->pending_starter_content_settings_ids[] = $setting_id; 1252 } 1253 $sidebar_widget_ids[] = $widget_id; 1254 } 1255 1256 $setting_id = sprintf( 'sidebars_widgets[%s]', $sidebar_id ); 1257 if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) { 1258 $this->set_post_value( $setting_id, $sidebar_widget_ids ); 1259 $this->pending_starter_content_settings_ids[] = $setting_id; 1260 } 1261 } 1262 1263 $starter_content_auto_draft_post_ids = array(); 1264 if ( ! empty( $changeset_data['nav_menus_created_posts']['value'] ) ) { 1265 $starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, $changeset_data['nav_menus_created_posts']['value'] ); 1266 } 1267 1268 // Make an index of all the posts needed and what their slugs are. 1269 $needed_posts = array(); 1270 $attachments = $this->prepare_starter_content_attachments( $attachments ); 1271 foreach ( $attachments as $attachment ) { 1272 $key = 'attachment:' . $attachment['post_name']; 1273 $needed_posts[ $key ] = true; 1274 } 1275 foreach ( array_keys( $posts ) as $post_symbol ) { 1276 if ( empty( $posts[ $post_symbol ]['post_name'] ) && empty( $posts[ $post_symbol ]['post_title'] ) ) { 1277 unset( $posts[ $post_symbol ] ); 1278 continue; 1279 } 1280 if ( empty( $posts[ $post_symbol ]['post_name'] ) ) { 1281 $posts[ $post_symbol ]['post_name'] = sanitize_title( $posts[ $post_symbol ]['post_title'] ); 1282 } 1283 if ( empty( $posts[ $post_symbol ]['post_type'] ) ) { 1284 $posts[ $post_symbol ]['post_type'] = 'post'; 1285 } 1286 $needed_posts[ $posts[ $post_symbol ]['post_type'] . ':' . $posts[ $post_symbol ]['post_name'] ] = true; 1287 } 1288 $all_post_slugs = array_merge( 1289 wp_list_pluck( $attachments, 'post_name' ), 1290 wp_list_pluck( $posts, 'post_name' ) 1291 ); 1292 1293 /* 1294 * Obtain all post types referenced in starter content to use in query. 1295 * This is needed because 'any' will not account for post types not yet registered. 1296 */ 1297 $post_types = array_filter( array_merge( array( 'attachment' ), wp_list_pluck( $posts, 'post_type' ) ) ); 1298 1299 // Re-use auto-draft starter content posts referenced in the current customized state. 1300 $existing_starter_content_posts = array(); 1301 if ( ! empty( $starter_content_auto_draft_post_ids ) ) { 1302 $existing_posts_query = new WP_Query( 1303 array( 1304 'post__in' => $starter_content_auto_draft_post_ids, 1305 'post_status' => 'auto-draft', 1306 'post_type' => $post_types, 1307 'posts_per_page' => -1, 1308 ) 1309 ); 1310 foreach ( $existing_posts_query->posts as $existing_post ) { 1311 $post_name = $existing_post->post_name; 1312 if ( empty( $post_name ) ) { 1313 $post_name = get_post_meta( $existing_post->ID, '_customize_draft_post_name', true ); 1314 } 1315 $existing_starter_content_posts[ $existing_post->post_type . ':' . $post_name ] = $existing_post; 1316 } 1317 } 1318 1319 // Re-use non-auto-draft posts. 1320 if ( ! empty( $all_post_slugs ) ) { 1321 $existing_posts_query = new WP_Query( 1322 array( 1323 'post_name__in' => $all_post_slugs, 1324 'post_status' => array_diff( get_post_stati(), array( 'auto-draft' ) ), 1325 'post_type' => 'any', 1326 'posts_per_page' => -1, 1327 ) 1328 ); 1329 foreach ( $existing_posts_query->posts as $existing_post ) { 1330 $key = $existing_post->post_type . ':' . $existing_post->post_name; 1331 if ( isset( $needed_posts[ $key ] ) && ! isset( $existing_starter_content_posts[ $key ] ) ) { 1332 $existing_starter_content_posts[ $key ] = $existing_post; 1333 } 1334 } 1335 } 1336 1337 // Attachments are technically posts but handled differently. 1338 if ( ! empty( $attachments ) ) { 1339 1340 $attachment_ids = array(); 1341 1342 foreach ( $attachments as $symbol => $attachment ) { 1343 $file_array = array( 1344 'name' => $attachment['file_name'], 1345 ); 1346 $file_path = $attachment['file_path']; 1347 $attachment_id = null; 1348 $attached_file = null; 1349 if ( isset( $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ] ) ) { 1350 $attachment_post = $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ]; 1351 $attachment_id = $attachment_post->ID; 1352 $attached_file = get_attached_file( $attachment_id ); 1353 if ( empty( $attached_file ) || ! file_exists( $attached_file ) ) { 1354 $attachment_id = null; 1355 $attached_file = null; 1356 } elseif ( $this->get_stylesheet() !== get_post_meta( $attachment_post->ID, '_starter_content_theme', true ) ) { 1357 1358 // Re-generate attachment metadata since it was previously generated for a different theme. 1359 $metadata = wp_generate_attachment_metadata( $attachment_post->ID, $attached_file ); 1360 wp_update_attachment_metadata( $attachment_id, $metadata ); 1361 update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() ); 1362 } 1363 } 1364 1365 // Insert the attachment auto-draft because it doesn't yet exist or the attached file is gone. 1366 if ( ! $attachment_id ) { 1367 1368 // Copy file to temp location so that original file won't get deleted from theme after sideloading. 1369 $temp_file_name = wp_tempnam( wp_basename( $file_path ) ); 1370 if ( $temp_file_name && copy( $file_path, $temp_file_name ) ) { 1371 $file_array['tmp_name'] = $temp_file_name; 1372 } 1373 if ( empty( $file_array['tmp_name'] ) ) { 1374 continue; 1375 } 1376 1377 $attachment_post_data = array_merge( 1378 wp_array_slice_assoc( $attachment, array( 'post_title', 'post_content', 'post_excerpt' ) ), 1379 array( 1380 'post_status' => 'auto-draft', // So attachment will be garbage collected in a week if changeset is never published. 1381 ) 1382 ); 1383 1384 $attachment_id = media_handle_sideload( $file_array, 0, null, $attachment_post_data ); 1385 if ( is_wp_error( $attachment_id ) ) { 1386 continue; 1387 } 1388 update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() ); 1389 update_post_meta( $attachment_id, '_customize_draft_post_name', $attachment['post_name'] ); 1390 } 1391 1392 $attachment_ids[ $symbol ] = $attachment_id; 1393 } 1394 $starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, array_values( $attachment_ids ) ); 1395 } 1396 1397 // Posts & pages. 1398 if ( ! empty( $posts ) ) { 1399 foreach ( array_keys( $posts ) as $post_symbol ) { 1400 if ( empty( $posts[ $post_symbol ]['post_type'] ) || empty( $posts[ $post_symbol ]['post_name'] ) ) { 1401 continue; 1402 } 1403 $post_type = $posts[ $post_symbol ]['post_type']; 1404 if ( ! empty( $posts[ $post_symbol ]['post_name'] ) ) { 1405 $post_name = $posts[ $post_symbol ]['post_name']; 1406 } elseif ( ! empty( $posts[ $post_symbol ]['post_title'] ) ) { 1407 $post_name = sanitize_title( $posts[ $post_symbol ]['post_title'] ); 1408 } else { 1409 continue; 1410 } 1411 1412 // Use existing auto-draft post if one already exists with the same type and name. 1413 if ( isset( $existing_starter_content_posts[ $post_type . ':' . $post_name ] ) ) { 1414 $posts[ $post_symbol ]['ID'] = $existing_starter_content_posts[ $post_type . ':' . $post_name ]->ID; 1415 continue; 1416 } 1417 1418 // Translate the featured image symbol. 1419 if ( ! empty( $posts[ $post_symbol ]['thumbnail'] ) 1420 && preg_match( '/^{{(?P<symbol>.+)}}$/', $posts[ $post_symbol ]['thumbnail'], $matches ) 1421 && isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1422 $posts[ $post_symbol ]['meta_input']['_thumbnail_id'] = $attachment_ids[ $matches['symbol'] ]; 1423 } 1424 1425 if ( ! empty( $posts[ $post_symbol ]['template'] ) ) { 1426 $posts[ $post_symbol ]['meta_input']['_wp_page_template'] = $posts[ $post_symbol ]['template']; 1427 } 1428 1429 $r = $this->nav_menus->insert_auto_draft_post( $posts[ $post_symbol ] ); 1430 if ( $r instanceof WP_Post ) { 1431 $posts[ $post_symbol ]['ID'] = $r->ID; 1432 } 1433 } 1434 1435 $starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, wp_list_pluck( $posts, 'ID' ) ); 1436 } 1437 1438 // The nav_menus_created_posts setting is why nav_menus component is dependency for adding posts. 1439 if ( ! empty( $this->nav_menus ) && ! empty( $starter_content_auto_draft_post_ids ) ) { 1440 $setting_id = 'nav_menus_created_posts'; 1441 $this->set_post_value( $setting_id, array_unique( array_values( $starter_content_auto_draft_post_ids ) ) ); 1442 $this->pending_starter_content_settings_ids[] = $setting_id; 1443 } 1444 1445 // Nav menus. 1446 $placeholder_id = -1; 1447 $reused_nav_menu_setting_ids = array(); 1448 foreach ( $nav_menus as $nav_menu_location => $nav_menu ) { 1449 1450 $nav_menu_term_id = null; 1451 $nav_menu_setting_id = null; 1452 $matches = array(); 1453 1454 // Look for an existing placeholder menu with starter content to re-use. 1455 foreach ( $changeset_data as $setting_id => $setting_params ) { 1456 $can_reuse = ( 1457 ! empty( $setting_params['starter_content'] ) 1458 && 1459 ! in_array( $setting_id, $reused_nav_menu_setting_ids, true ) 1460 && 1461 preg_match( '#^nav_menu\[(?P<nav_menu_id>-?\d+)\]$#', $setting_id, $matches ) 1462 ); 1463 if ( $can_reuse ) { 1464 $nav_menu_term_id = intval( $matches['nav_menu_id'] ); 1465 $nav_menu_setting_id = $setting_id; 1466 $reused_nav_menu_setting_ids[] = $setting_id; 1467 break; 1468 } 1469 } 1470 1471 if ( ! $nav_menu_term_id ) { 1472 while ( isset( $changeset_data[ sprintf( 'nav_menu[%d]', $placeholder_id ) ] ) ) { 1473 $placeholder_id--; 1474 } 1475 $nav_menu_term_id = $placeholder_id; 1476 $nav_menu_setting_id = sprintf( 'nav_menu[%d]', $placeholder_id ); 1477 } 1478 1479 $this->set_post_value( 1480 $nav_menu_setting_id, 1481 array( 1482 'name' => isset( $nav_menu['name'] ) ? $nav_menu['name'] : $nav_menu_location, 1483 ) 1484 ); 1485 $this->pending_starter_content_settings_ids[] = $nav_menu_setting_id; 1486 1487 // @todo Add support for menu_item_parent. 1488 $position = 0; 1489 foreach ( $nav_menu['items'] as $nav_menu_item ) { 1490 $nav_menu_item_setting_id = sprintf( 'nav_menu_item[%d]', $placeholder_id-- ); 1491 if ( ! isset( $nav_menu_item['position'] ) ) { 1492 $nav_menu_item['position'] = $position++; 1493 } 1494 $nav_menu_item['nav_menu_term_id'] = $nav_menu_term_id; 1495 1496 if ( isset( $nav_menu_item['object_id'] ) ) { 1497 if ( 'post_type' === $nav_menu_item['type'] && preg_match( '/^{{(?P<symbol>.+)}}$/', $nav_menu_item['object_id'], $matches ) && isset( $posts[ $matches['symbol'] ] ) ) { 1498 $nav_menu_item['object_id'] = $posts[ $matches['symbol'] ]['ID']; 1499 if ( empty( $nav_menu_item['title'] ) ) { 1500 $original_object = get_post( $nav_menu_item['object_id'] ); 1501 $nav_menu_item['title'] = $original_object->post_title; 1502 } 1503 } else { 1504 continue; 1505 } 1506 } else { 1507 $nav_menu_item['object_id'] = 0; 1508 } 1509 1510 if ( empty( $changeset_data[ $nav_menu_item_setting_id ] ) || ! empty( $changeset_data[ $nav_menu_item_setting_id ]['starter_content'] ) ) { 1511 $this->set_post_value( $nav_menu_item_setting_id, $nav_menu_item ); 1512 $this->pending_starter_content_settings_ids[] = $nav_menu_item_setting_id; 1513 } 1514 } 1515 1516 $setting_id = sprintf( 'nav_menu_locations[%s]', $nav_menu_location ); 1517 if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) { 1518 $this->set_post_value( $setting_id, $nav_menu_term_id ); 1519 $this->pending_starter_content_settings_ids[] = $setting_id; 1520 } 1521 } 1522 1523 // Options. 1524 foreach ( $options as $name => $value ) { 1525 1526 // Serialize the value to check for post symbols. 1527 $value = maybe_serialize( $value ); 1528 1529 if ( is_serialized( $value ) ) { 1530 if ( preg_match( '/s:\d+:"{{(?P<symbol>.+)}}"/', $value, $matches ) ) { 1531 if ( isset( $posts[ $matches['symbol'] ] ) ) { 1532 $symbol_match = $posts[ $matches['symbol'] ]['ID']; 1533 } elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1534 $symbol_match = $attachment_ids[ $matches['symbol'] ]; 1535 } 1536 1537 // If we have any symbol matches, update the values. 1538 if ( isset( $symbol_match ) ) { 1539 // Replace found string matches with post IDs. 1540 $value = str_replace( $matches[0], "i:{$symbol_match}", $value ); 1541 } else { 1542 continue; 1543 } 1544 } 1545 } elseif ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) { 1546 if ( isset( $posts[ $matches['symbol'] ] ) ) { 1547 $value = $posts[ $matches['symbol'] ]['ID']; 1548 } elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1549 $value = $attachment_ids[ $matches['symbol'] ]; 1550 } else { 1551 continue; 1552 } 1553 } 1554 1555 // Unserialize values after checking for post symbols, so they can be properly referenced. 1556 $value = maybe_unserialize( $value ); 1557 1558 if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) { 1559 $this->set_post_value( $name, $value ); 1560 $this->pending_starter_content_settings_ids[] = $name; 1561 } 1562 } 1563 1564 // Theme mods. 1565 foreach ( $theme_mods as $name => $value ) { 1566 1567 // Serialize the value to check for post symbols. 1568 $value = maybe_serialize( $value ); 1569 1570 // Check if value was serialized. 1571 if ( is_serialized( $value ) ) { 1572 if ( preg_match( '/s:\d+:"{{(?P<symbol>.+)}}"/', $value, $matches ) ) { 1573 if ( isset( $posts[ $matches['symbol'] ] ) ) { 1574 $symbol_match = $posts[ $matches['symbol'] ]['ID']; 1575 } elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1576 $symbol_match = $attachment_ids[ $matches['symbol'] ]; 1577 } 1578 1579 // If we have any symbol matches, update the values. 1580 if ( isset( $symbol_match ) ) { 1581 // Replace found string matches with post IDs. 1582 $value = str_replace( $matches[0], "i:{$symbol_match}", $value ); 1583 } else { 1584 continue; 1585 } 1586 } 1587 } elseif ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) { 1588 if ( isset( $posts[ $matches['symbol'] ] ) ) { 1589 $value = $posts[ $matches['symbol'] ]['ID']; 1590 } elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1591 $value = $attachment_ids[ $matches['symbol'] ]; 1592 } else { 1593 continue; 1594 } 1595 } 1596 1597 // Unserialize values after checking for post symbols, so they can be properly referenced. 1598 $value = maybe_unserialize( $value ); 1599 1600 // Handle header image as special case since setting has a legacy format. 1601 if ( 'header_image' === $name ) { 1602 $name = 'header_image_data'; 1603 $metadata = wp_get_attachment_metadata( $value ); 1604 if ( empty( $metadata ) ) { 1605 continue; 1606 } 1607 $value = array( 1608 'attachment_id' => $value, 1609 'url' => wp_get_attachment_url( $value ), 1610 'height' => $metadata['height'], 1611 'width' => $metadata['width'], 1612 ); 1613 } elseif ( 'background_image' === $name ) { 1614 $value = wp_get_attachment_url( $value ); 1615 } 1616 1617 if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) { 1618 $this->set_post_value( $name, $value ); 1619 $this->pending_starter_content_settings_ids[] = $name; 1620 } 1621 } 1622 1623 if ( ! empty( $this->pending_starter_content_settings_ids ) ) { 1624 if ( did_action( 'customize_register' ) ) { 1625 $this->_save_starter_content_changeset(); 1626 } else { 1627 add_action( 'customize_register', array( $this, '_save_starter_content_changeset' ), 1000 ); 1628 } 1629 } 1630 } 1631 1632 /** 1633 * Prepare starter content attachments. 1634 * 1635 * Ensure that the attachments are valid and that they have slugs and file name/path. 1636 * 1637 * @since 4.7.0 1638 * 1639 * @param array $attachments Attachments. 1640 * @return array Prepared attachments. 1641 */ 1642 protected function prepare_starter_content_attachments( $attachments ) { 1643 $prepared_attachments = array(); 1644 if ( empty( $attachments ) ) { 1645 return $prepared_attachments; 1646 } 1647 1648 // Such is The WordPress Way. 1649 require_once ABSPATH . 'wp-admin/includes/file.php'; 1650 require_once ABSPATH . 'wp-admin/includes/media.php'; 1651 require_once ABSPATH . 'wp-admin/includes/image.php'; 1652 1653 foreach ( $attachments as $symbol => $attachment ) { 1654 1655 // A file is required and URLs to files are not currently allowed. 1656 if ( empty( $attachment['file'] ) || preg_match( '#^https?://$#', $attachment['file'] ) ) { 1657 continue; 1658 } 1659 1660 $file_path = null; 1661 if ( file_exists( $attachment['file'] ) ) { 1662 $file_path = $attachment['file']; // Could be absolute path to file in plugin. 1663 } elseif ( is_child_theme() && file_exists( get_stylesheet_directory() . '/' . $attachment['file'] ) ) { 1664 $file_path = get_stylesheet_directory() . '/' . $attachment['file']; 1665 } elseif ( file_exists( get_template_directory() . '/' . $attachment['file'] ) ) { 1666 $file_path = get_template_directory() . '/' . $attachment['file']; 1667 } else { 1668 continue; 1669 } 1670 $file_name = wp_basename( $attachment['file'] ); 1671 1672 // Skip file types that are not recognized. 1673 $checked_filetype = wp_check_filetype( $file_name ); 1674 if ( empty( $checked_filetype['type'] ) ) { 1675 continue; 1676 } 1677 1678 // Ensure post_name is set since not automatically derived from post_title for new auto-draft posts. 1679 if ( empty( $attachment['post_name'] ) ) { 1680 if ( ! empty( $attachment['post_title'] ) ) { 1681 $attachment['post_name'] = sanitize_title( $attachment['post_title'] ); 1682 } else { 1683 $attachment['post_name'] = sanitize_title( preg_replace( '/\.\w+$/', '', $file_name ) ); 1684 } 1685 } 1686 1687 $attachment['file_name'] = $file_name; 1688 $attachment['file_path'] = $file_path; 1689 $prepared_attachments[ $symbol ] = $attachment; 1690 } 1691 return $prepared_attachments; 1692 } 1693 1694 /** 1695 * Save starter content changeset. 1696 * 1697 * @since 4.7.0 1698 */ 1699 public function _save_starter_content_changeset() { 1700 1701 if ( empty( $this->pending_starter_content_settings_ids ) ) { 1702 return; 1703 } 1704 1705 $this->save_changeset_post( 1706 array( 1707 'data' => array_fill_keys( $this->pending_starter_content_settings_ids, array( 'starter_content' => true ) ), 1708 'starter_content' => true, 1709 ) 1710 ); 1711 $this->saved_starter_content_changeset = true; 1712 1713 $this->pending_starter_content_settings_ids = array(); 1714 } 1715 1716 /** 1717 * Get dirty pre-sanitized setting values in the current customized state. 1718 * 1719 * The returned array consists of a merge of three sources: 1720 * 1. If the theme is not currently active, then the base array is any stashed 1721 * theme mods that were modified previously but never published. 1722 * 2. The values from the current changeset, if it exists. 1723 * 3. If the user can customize, the values parsed from the incoming 1724 * `$_POST['customized']` JSON data. 1725 * 4. Any programmatically-set post values via `WP_Customize_Manager::set_post_value()`. 1726 * 1727 * The name "unsanitized_post_values" is a carry-over from when the customized 1728 * state was exclusively sourced from `$_POST['customized']`. Nevertheless, 1729 * the value returned will come from the current changeset post and from the 1730 * incoming post data. 1731 * 1732 * @since 4.1.1 1733 * @since 4.7.0 Added `$args` parameter and merging with changeset values and stashed theme mods. 1734 * 1735 * @param array $args { 1736 * Args. 1737 * 1738 * @type bool $exclude_changeset Whether the changeset values should also be excluded. Defaults to false. 1739 * @type bool $exclude_post_data Whether the post input values should also be excluded. Defaults to false when lacking the customize capability. 1740 * } 1741 * @return array 1742 */ 1743 public function unsanitized_post_values( $args = array() ) { 1744 $args = array_merge( 1745 array( 1746 'exclude_changeset' => false, 1747 'exclude_post_data' => ! current_user_can( 'customize' ), 1748 ), 1749 $args 1750 ); 1751 1752 $values = array(); 1753 1754 // Let default values be from the stashed theme mods if doing a theme switch and if no changeset is present. 1755 if ( ! $this->is_theme_active() ) { 1756 $stashed_theme_mods = get_option( 'customize_stashed_theme_mods' ); 1757 $stylesheet = $this->get_stylesheet(); 1758 if ( isset( $stashed_theme_mods[ $stylesheet ] ) ) { 1759 $values = array_merge( $values, wp_list_pluck( $stashed_theme_mods[ $stylesheet ], 'value' ) ); 1760 } 1761 } 1762 1763 if ( ! $args['exclude_changeset'] ) { 1764 foreach ( $this->changeset_data() as $setting_id => $setting_params ) { 1765 if ( ! array_key_exists( 'value', $setting_params ) ) { 1766 continue; 1767 } 1768 if ( isset( $setting_params['type'] ) && 'theme_mod' === $setting_params['type'] ) { 1769 1770 // Ensure that theme mods values are only used if they were saved under the current theme. 1771 $namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/'; 1772 if ( preg_match( $namespace_pattern, $setting_id, $matches ) && $this->get_stylesheet() === $matches['stylesheet'] ) { 1773 $values[ $matches['setting_id'] ] = $setting_params['value']; 1774 } 1775 } else { 1776 $values[ $setting_id ] = $setting_params['value']; 1777 } 1778 } 1779 } 1780 1781 if ( ! $args['exclude_post_data'] ) { 1782 if ( ! isset( $this->_post_values ) ) { 1783 if ( isset( $_POST['customized'] ) ) { 1784 $post_values = json_decode( wp_unslash( $_POST['customized'] ), true ); 1785 } else { 1786 $post_values = array(); 1787 } 1788 if ( is_array( $post_values ) ) { 1789 $this->_post_values = $post_values; 1790 } else { 1791 $this->_post_values = array(); 1792 } 1793 } 1794 $values = array_merge( $values, $this->_post_values ); 1795 } 1796 return $values; 1797 } 1798 1799 /** 1800 * Returns the sanitized value for a given setting from the current customized state. 1801 * 1802 * The name "post_value" is a carry-over from when the customized state was exclusively 1803 * sourced from `$_POST['customized']`. Nevertheless, the value returned will come 1804 * from the current changeset post and from the incoming post data. 1805 * 1806 * @since 3.4.0 1807 * @since 4.1.1 Introduced the `$default` parameter. 1808 * @since 4.6.0 `$default` is now returned early when the setting post value is invalid. 1809 * 1810 * @see WP_REST_Server::dispatch() 1811 * @see WP_REST_Request::sanitize_params() 1812 * @see WP_REST_Request::has_valid_params() 1813 * 1814 * @param WP_Customize_Setting $setting A WP_Customize_Setting derived object. 1815 * @param mixed $default Value returned $setting has no post value (added in 4.2.0) 1816 * or the post value is invalid (added in 4.6.0). 1817 * @return string|mixed Sanitized value or the $default provided. 1818 */ 1819 public function post_value( $setting, $default = null ) { 1820 $post_values = $this->unsanitized_post_values(); 1821 if ( ! array_key_exists( $setting->id, $post_values ) ) { 1822 return $default; 1823 } 1824 $value = $post_values[ $setting->id ]; 1825 $valid = $setting->validate( $value ); 1826 if ( is_wp_error( $valid ) ) { 1827 return $default; 1828 } 1829 $value = $setting->sanitize( $value ); 1830 if ( is_null( $value ) || is_wp_error( $value ) ) { 1831 return $default; 1832 } 1833 return $value; 1834 } 1835 1836 /** 1837 * Override a setting's value in the current customized state. 1838 * 1839 * The name "post_value" is a carry-over from when the customized state was 1840 * exclusively sourced from `$_POST['customized']`. 1841 * 1842 * @since 4.2.0 1843 * 1844 * @param string $setting_id ID for the WP_Customize_Setting instance. 1845 * @param mixed $value Post value. 1846 */ 1847 public function set_post_value( $setting_id, $value ) { 1848 $this->unsanitized_post_values(); // Populate _post_values from $_POST['customized']. 1849 $this->_post_values[ $setting_id ] = $value; 1850 1851 /** 1852 * Announce when a specific setting's unsanitized post value has been set. 1853 * 1854 * Fires when the WP_Customize_Manager::set_post_value() method is called. 1855 * 1856 * The dynamic portion of the hook name, `$setting_id`, refers to the setting ID. 1857 * 1858 * @since 4.4.0 1859 * 1860 * @param mixed $value Unsanitized setting post value. 1861 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 1862 */ 1863 do_action( "customize_post_value_set_{$setting_id}", $value, $this ); 1864 1865 /** 1866 * Announce when any setting's unsanitized post value has been set. 1867 * 1868 * Fires when the WP_Customize_Manager::set_post_value() method is called. 1869 * 1870 * This is useful for `WP_Customize_Setting` instances to watch 1871 * in order to update a cached previewed value. 1872 * 1873 * @since 4.4.0 1874 * 1875 * @param string $setting_id Setting ID. 1876 * @param mixed $value Unsanitized setting post value. 1877 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 1878 */ 1879 do_action( 'customize_post_value_set', $setting_id, $value, $this ); 1880 } 1881 1882 /** 1883 * Print JavaScript settings. 1884 * 1885 * @since 3.4.0 1886 */ 1887 public function customize_preview_init() { 1888 1889 /* 1890 * Now that Customizer previews are loaded into iframes via GET requests 1891 * and natural URLs with transaction UUIDs added, we need to ensure that 1892 * the responses are never cached by proxies. In practice, this will not 1893 * be needed if the user is logged-in anyway. But if anonymous access is 1894 * allowed then the auth cookies would not be sent and WordPress would 1895 * not send no-cache headers by default. 1896 */ 1897 if ( ! headers_sent() ) { 1898 nocache_headers(); 1899 header( 'X-Robots: noindex, nofollow, noarchive' ); 1900 } 1901 add_action( 'wp_head', 'wp_no_robots' ); 1902 add_filter( 'wp_headers', array( $this, 'filter_iframe_security_headers' ) ); 1903 1904 /* 1905 * If preview is being served inside the customizer preview iframe, and 1906 * if the user doesn't have customize capability, then it is assumed 1907 * that the user's session has expired and they need to re-authenticate. 1908 */ 1909 if ( $this->messenger_channel && ! current_user_can( 'customize' ) ) { 1910 $this->wp_die( 1911 -1, 1912 sprintf( 1913 /* translators: %s: customize_messenger_channel */ 1914 __( 'Unauthorized. You may remove the %s param to preview as frontend.' ), 1915 '<code>customize_messenger_channel<code>' 1916 ) 1917 ); 1918 return; 1919 } 1920 1921 $this->prepare_controls(); 1922 1923 add_filter( 'wp_redirect', array( $this, 'add_state_query_params' ) ); 1924 1925 wp_enqueue_script( 'customize-preview' ); 1926 wp_enqueue_style( 'customize-preview' ); 1927 add_action( 'wp_head', array( $this, 'customize_preview_loading_style' ) ); 1928 add_action( 'wp_head', array( $this, 'remove_frameless_preview_messenger_channel' ) ); 1929 add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 ); 1930 add_filter( 'get_edit_post_link', '__return_empty_string' ); 1931 1932 /** 1933 * Fires once the Customizer preview has initialized and JavaScript 1934 * settings have been printed. 1935 * 1936 * @since 3.4.0 1937 * 1938 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 1939 */ 1940 do_action( 'customize_preview_init', $this ); 1941 } 1942 1943 /** 1944 * Filters the X-Frame-Options and Content-Security-Policy headers to ensure frontend can load in customizer. 1945 * 1946 * @since 4.7.0 1947 * 1948 * @param array $headers Headers. 1949 * @return array Headers. 1950 */ 1951 public function filter_iframe_security_headers( $headers ) { 1952 $headers['X-Frame-Options'] = 'SAMEORIGIN'; 1953 $headers['Content-Security-Policy'] = "frame-ancestors 'self'"; 1954 return $headers; 1955 } 1956 1957 /** 1958 * Add customize state query params to a given URL if preview is allowed. 1959 * 1960 * @since 4.7.0 1961 * 1962 * @see wp_redirect() 1963 * @see WP_Customize_Manager::get_allowed_url() 1964 * 1965 * @param string $url URL. 1966 * @return string URL. 1967 */ 1968 public function add_state_query_params( $url ) { 1969 $parsed_original_url = wp_parse_url( $url ); 1970 $is_allowed = false; 1971 foreach ( $this->get_allowed_urls() as $allowed_url ) { 1972 $parsed_allowed_url = wp_parse_url( $allowed_url ); 1973 $is_allowed = ( 1974 $parsed_allowed_url['scheme'] === $parsed_original_url['scheme'] 1975 && 1976 $parsed_allowed_url['host'] === $parsed_original_url['host'] 1977 && 1978 0 === strpos( $parsed_original_url['path'], $parsed_allowed_url['path'] ) 1979 ); 1980 if ( $is_allowed ) { 1981 break; 1982 } 1983 } 1984 1985 if ( $is_allowed ) { 1986 $query_params = array( 1987 'customize_changeset_uuid' => $this->changeset_uuid(), 1988 ); 1989 if ( ! $this->is_theme_active() ) { 1990 $query_params['customize_theme'] = $this->get_stylesheet(); 1991 } 1992 if ( $this->messenger_channel ) { 1993 $query_params['customize_messenger_channel'] = $this->messenger_channel; 1994 } 1995 $url = add_query_arg( $query_params, $url ); 1996 } 1997 1998 return $url; 1999 } 2000 2001 /** 2002 * Prevent sending a 404 status when returning the response for the customize 2003 * preview, since it causes the jQuery Ajax to fail. Send 200 instead. 2004 * 2005 * @since 4.0.0 2006 * @deprecated 4.7.0 2007 */ 2008 public function customize_preview_override_404_status() { 2009 _deprecated_function( __METHOD__, '4.7.0' ); 2010 } 2011 2012 /** 2013 * Print base element for preview frame. 2014 * 2015 * @since 3.4.0 2016 * @deprecated 4.7.0 2017 */ 2018 public function customize_preview_base() { 2019 _deprecated_function( __METHOD__, '4.7.0' ); 2020 } 2021 2022 /** 2023 * Print a workaround to handle HTML5 tags in IE < 9. 2024 * 2025 * @since 3.4.0 2026 * @deprecated 4.7.0 Customizer no longer supports IE8, so all supported browsers recognize HTML5. 2027 */ 2028 public function customize_preview_html5() { 2029 _deprecated_function( __FUNCTION__, '4.7.0' ); 2030 } 2031 2032 /** 2033 * Print CSS for loading indicators for the Customizer preview. 2034 * 2035 * @since 4.2.0 2036 */ 2037 public function customize_preview_loading_style() { 2038 ?> 2039 <style> 2040 body.wp-customizer-unloading { 2041 opacity: 0.25; 2042 cursor: progress !important; 2043 -webkit-transition: opacity 0.5s; 2044 transition: opacity 0.5s; 2045 } 2046 body.wp-customizer-unloading * { 2047 pointer-events: none !important; 2048 } 2049 form.customize-unpreviewable, 2050 form.customize-unpreviewable input, 2051 form.customize-unpreviewable select, 2052 form.customize-unpreviewable button, 2053 a.customize-unpreviewable, 2054 area.customize-unpreviewable { 2055 cursor: not-allowed !important; 2056 } 2057 </style> 2058 <?php 2059 } 2060 2061 /** 2062 * Remove customize_messenger_channel query parameter from the preview window when it is not in an iframe. 2063 * 2064 * This ensures that the admin bar will be shown. It also ensures that link navigation will 2065 * work as expected since the parent frame is not being sent the URL to navigate to. 2066 * 2067 * @since 4.7.0 2068 */ 2069 public function remove_frameless_preview_messenger_channel() { 2070 if ( ! $this->messenger_channel ) { 2071 return; 2072 } 2073 ?> 2074 <script> 2075 ( function() { 2076 var urlParser, oldQueryParams, newQueryParams, i; 2077 if ( parent !== window ) { 2078 return; 2079 } 2080 urlParser = document.createElement( 'a' ); 2081 urlParser.href = location.href; 2082 oldQueryParams = urlParser.search.substr( 1 ).split( /&/ ); 2083 newQueryParams = []; 2084 for ( i = 0; i < oldQueryParams.length; i += 1 ) { 2085 if ( ! /^customize_messenger_channel=/.test( oldQueryParams[ i ] ) ) { 2086 newQueryParams.push( oldQueryParams[ i ] ); 2087 } 2088 } 2089 urlParser.search = newQueryParams.join( '&' ); 2090 if ( urlParser.search !== location.search ) { 2091 location.replace( urlParser.href ); 2092 } 2093 } )(); 2094 </script> 2095 <?php 2096 } 2097 2098 /** 2099 * Print JavaScript settings for preview frame. 2100 * 2101 * @since 3.4.0 2102 */ 2103 public function customize_preview_settings() { 2104 $post_values = $this->unsanitized_post_values( array( 'exclude_changeset' => true ) ); 2105 $setting_validities = $this->validate_setting_values( $post_values ); 2106 $exported_setting_validities = array_map( array( $this, 'prepare_setting_validity_for_js' ), $setting_validities ); 2107 2108 // Note that the REQUEST_URI is not passed into home_url() since this breaks subdirectory installations. 2109 $self_url = empty( $_SERVER['REQUEST_URI'] ) ? home_url( '/' ) : esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ); 2110 $state_query_params = array( 2111 'customize_theme', 2112 'customize_changeset_uuid', 2113 'customize_messenger_channel', 2114 ); 2115 $self_url = remove_query_arg( $state_query_params, $self_url ); 2116 2117 $allowed_urls = $this->get_allowed_urls(); 2118 $allowed_hosts = array(); 2119 foreach ( $allowed_urls as $allowed_url ) { 2120 $parsed = wp_parse_url( $allowed_url ); 2121 if ( empty( $parsed['host'] ) ) { 2122 continue; 2123 } 2124 $host = $parsed['host']; 2125 if ( ! empty( $parsed['port'] ) ) { 2126 $host .= ':' . $parsed['port']; 2127 } 2128 $allowed_hosts[] = $host; 2129 } 2130 2131 $switched_locale = switch_to_locale( get_user_locale() ); 2132 $l10n = array( 2133 'shiftClickToEdit' => __( 'Shift-click to edit this element.' ), 2134 'linkUnpreviewable' => __( 'This link is not live-previewable.' ), 2135 'formUnpreviewable' => __( 'This form is not live-previewable.' ), 2136 ); 2137 if ( $switched_locale ) { 2138 restore_previous_locale(); 2139 } 2140 2141 $settings = array( 2142 'changeset' => array( 2143 'uuid' => $this->changeset_uuid(), 2144 'autosaved' => $this->autosaved(), 2145 ), 2146 'timeouts' => array( 2147 'selectiveRefresh' => 250, 2148 'keepAliveSend' => 1000, 2149 ), 2150 'theme' => array( 2151 'stylesheet' => $this->get_stylesheet(), 2152 'active' => $this->is_theme_active(), 2153 ), 2154 'url' => array( 2155 'self' => $self_url, 2156 'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ), 2157 'allowedHosts' => array_unique( $allowed_hosts ), 2158 'isCrossDomain' => $this->is_cross_domain(), 2159 ), 2160 'channel' => $this->messenger_channel, 2161 'activePanels' => array(), 2162 'activeSections' => array(), 2163 'activeControls' => array(), 2164 'settingValidities' => $exported_setting_validities, 2165 'nonce' => current_user_can( 'customize' ) ? $this->get_nonces() : array(), 2166 'l10n' => $l10n, 2167 '_dirty' => array_keys( $post_values ), 2168 ); 2169 2170 foreach ( $this->panels as $panel_id => $panel ) { 2171 if ( $panel->check_capabilities() ) { 2172 $settings['activePanels'][ $panel_id ] = $panel->active(); 2173 foreach ( $panel->sections as $section_id => $section ) { 2174 if ( $section->check_capabilities() ) { 2175 $settings['activeSections'][ $section_id ] = $section->active(); 2176 } 2177 } 2178 } 2179 } 2180 foreach ( $this->sections as $id => $section ) { 2181 if ( $section->check_capabilities() ) { 2182 $settings['activeSections'][ $id ] = $section->active(); 2183 } 2184 } 2185 foreach ( $this->controls as $id => $control ) { 2186 if ( $control->check_capabilities() ) { 2187 $settings['activeControls'][ $id ] = $control->active(); 2188 } 2189 } 2190 2191 ?> 2192 <script type="text/javascript"> 2193 var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>; 2194 _wpCustomizeSettings.values = {}; 2195 (function( v ) { 2196 <?php 2197 /* 2198 * Serialize settings separately from the initial _wpCustomizeSettings 2199 * serialization in order to avoid a peak memory usage spike. 2200 * @todo We may not even need to export the values at all since the pane syncs them anyway. 2201 */ 2202 foreach ( $this->settings as $id => $setting ) { 2203 if ( $setting->check_capabilities() ) { 2204 printf( 2205 "v[%s] = %s;\n", 2206 wp_json_encode( $id ), 2207 wp_json_encode( $setting->js_value() ) 2208 ); 2209 } 2210 } 2211 ?> 2212 })( _wpCustomizeSettings.values ); 2213 </script> 2214 <?php 2215 } 2216 2217 /** 2218 * Prints a signature so we can ensure the Customizer was properly executed. 2219 * 2220 * @since 3.4.0 2221 * @deprecated 4.7.0 2222 */ 2223 public function customize_preview_signature() { 2224 _deprecated_function( __METHOD__, '4.7.0' ); 2225 } 2226 2227 /** 2228 * Removes the signature in case we experience a case where the Customizer was not properly executed. 2229 * 2230 * @since 3.4.0 2231 * @deprecated 4.7.0 2232 * 2233 * @param mixed $return Value passed through for {@see 'wp_die_handler'} filter. 2234 * @return mixed Value passed through for {@see 'wp_die_handler'} filter. 2235 */ 2236 public function remove_preview_signature( $return = null ) { 2237 _deprecated_function( __METHOD__, '4.7.0' ); 2238 2239 return $return; 2240 } 2241 2242 /** 2243 * Is it a theme preview? 2244 * 2245 * @since 3.4.0 2246 * 2247 * @return bool True if it's a preview, false if not. 2248 */ 2249 public function is_preview() { 2250 return (bool) $this->previewing; 2251 } 2252 2253 /** 2254 * Retrieve the template name of the previewed theme. 2255 * 2256 * @since 3.4.0 2257 * 2258 * @return string Template name. 2259 */ 2260 public function get_template() { 2261 return $this->theme()->get_template(); 2262 } 2263 2264 /** 2265 * Retrieve the stylesheet name of the previewed theme. 2266 * 2267 * @since 3.4.0 2268 * 2269 * @return string Stylesheet name. 2270 */ 2271 public function get_stylesheet() { 2272 return $this->theme()->get_stylesheet(); 2273 } 2274 2275 /** 2276 * Retrieve the template root of the previewed theme. 2277 * 2278 * @since 3.4.0 2279 * 2280 * @return string Theme root. 2281 */ 2282 public function get_template_root() { 2283 return get_raw_theme_root( $this->get_template(), true ); 2284 } 2285 2286 /** 2287 * Retrieve the stylesheet root of the previewed theme. 2288 * 2289 * @since 3.4.0 2290 * 2291 * @return string Theme root. 2292 */ 2293 public function get_stylesheet_root() { 2294 return get_raw_theme_root( $this->get_stylesheet(), true ); 2295 } 2296 2297 /** 2298 * Filters the current theme and return the name of the previewed theme. 2299 * 2300 * @since 3.4.0 2301 * 2302 * @param mixed $current_theme {@internal Parameter is not used} 2303 * @return string Theme name. 2304 */ 2305 public function current_theme( $current_theme ) { 2306 return $this->theme()->display( 'Name' ); 2307 } 2308 2309 /** 2310 * Validates setting values. 2311 * 2312 * Validation is skipped for unregistered settings or for values that are 2313 * already null since they will be skipped anyway. Sanitization is applied 2314 * to values that pass validation, and values that become null or `WP_Error` 2315 * after sanitizing are marked invalid. 2316 * 2317 * @since 4.6.0 2318 * 2319 * @see WP_REST_Request::has_valid_params() 2320 * @see WP_Customize_Setting::validate() 2321 * 2322 * @param array $setting_values Mapping of setting IDs to values to validate and sanitize. 2323 * @param array $options { 2324 * Options. 2325 * 2326 * @type bool $validate_existence Whether a setting's existence will be checked. 2327 * @type bool $validate_capability Whether the setting capability will be checked. 2328 * } 2329 * @return array Mapping of setting IDs to return value of validate method calls, either `true` or `WP_Error`. 2330 */ 2331 public function validate_setting_values( $setting_values, $options = array() ) { 2332 $options = wp_parse_args( 2333 $options, 2334 array( 2335 'validate_capability' => false, 2336 'validate_existence' => false, 2337 ) 2338 ); 2339 2340 $validities = array(); 2341 foreach ( $setting_values as $setting_id => $unsanitized_value ) { 2342 $setting = $this->get_setting( $setting_id ); 2343 if ( ! $setting ) { 2344 if ( $options['validate_existence'] ) { 2345 $validities[ $setting_id ] = new WP_Error( 'unrecognized', __( 'Setting does not exist or is unrecognized.' ) ); 2346 } 2347 continue; 2348 } 2349 if ( $options['validate_capability'] && ! current_user_can( $setting->capability ) ) { 2350 $validity = new WP_Error( 'unauthorized', __( 'Unauthorized to modify setting due to capability.' ) ); 2351 } else { 2352 if ( is_null( $unsanitized_value ) ) { 2353 continue; 2354 } 2355 $validity = $setting->validate( $unsanitized_value ); 2356 } 2357 if ( ! is_wp_error( $validity ) ) { 2358 /** This filter is documented in wp-includes/class-wp-customize-setting.php */ 2359 $late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting ); 2360 if ( is_wp_error( $late_validity ) && $late_validity->has_errors() ) { 2361 $validity = $late_validity; 2362 } 2363 } 2364 if ( ! is_wp_error( $validity ) ) { 2365 $value = $setting->sanitize( $unsanitized_value ); 2366 if ( is_null( $value ) ) { 2367 $validity = false; 2368 } elseif ( is_wp_error( $value ) ) { 2369 $validity = $value; 2370 } 2371 } 2372 if ( false === $validity ) { 2373 $validity = new WP_Error( 'invalid_value', __( 'Invalid value.' ) ); 2374 } 2375 $validities[ $setting_id ] = $validity; 2376 } 2377 return $validities; 2378 } 2379 2380 /** 2381 * Prepares setting validity for exporting to the client (JS). 2382 * 2383 * Converts `WP_Error` instance into array suitable for passing into the 2384 * `wp.customize.Notification` JS model. 2385 * 2386 * @since 4.6.0 2387 * 2388 * @param true|WP_Error $validity Setting validity. 2389 * @return true|array If `$validity` was a WP_Error, the error codes will be array-mapped 2390 * to their respective `message` and `data` to pass into the 2391 * `wp.customize.Notification` JS model. 2392 */ 2393 public function prepare_setting_validity_for_js( $validity ) { 2394 if ( is_wp_error( $validity ) ) { 2395 $notification = array(); 2396 foreach ( $validity->errors as $error_code => $error_messages ) { 2397 $notification[ $error_code ] = array( 2398 'message' => join( ' ', $error_messages ), 2399 'data' => $validity->get_error_data( $error_code ), 2400 ); 2401 } 2402 return $notification; 2403 } else { 2404 return true; 2405 } 2406 } 2407 2408 /** 2409 * Handle customize_save WP Ajax request to save/update a changeset. 2410 * 2411 * @since 3.4.0 2412 * @since 4.7.0 The semantics of this method have changed to update a changeset, optionally to also change the status and other attributes. 2413 */ 2414 public function save() { 2415 if ( ! is_user_logged_in() ) { 2416 wp_send_json_error( 'unauthenticated' ); 2417 } 2418 2419 if ( ! $this->is_preview() ) { 2420 wp_send_json_error( 'not_preview' ); 2421 } 2422 2423 $action = 'save-customize_' . $this->get_stylesheet(); 2424 if ( ! check_ajax_referer( $action, 'nonce', false ) ) { 2425 wp_send_json_error( 'invalid_nonce' ); 2426 } 2427 2428 $changeset_post_id = $this->changeset_post_id(); 2429 $is_new_changeset = empty( $changeset_post_id ); 2430 if ( $is_new_changeset ) { 2431 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->create_posts ) ) { 2432 wp_send_json_error( 'cannot_create_changeset_post' ); 2433 } 2434 } else { 2435 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) { 2436 wp_send_json_error( 'cannot_edit_changeset_post' ); 2437 } 2438 } 2439 2440 if ( ! empty( $_POST['customize_changeset_data'] ) ) { 2441 $input_changeset_data = json_decode( wp_unslash( $_POST['customize_changeset_data'] ), true ); 2442 if ( ! is_array( $input_changeset_data ) ) { 2443 wp_send_json_error( 'invalid_customize_changeset_data' ); 2444 } 2445 } else { 2446 $input_changeset_data = array(); 2447 } 2448 2449 // Validate title. 2450 $changeset_title = null; 2451 if ( isset( $_POST['customize_changeset_title'] ) ) { 2452 $changeset_title = sanitize_text_field( wp_unslash( $_POST['customize_changeset_title'] ) ); 2453 } 2454 2455 // Validate changeset status param. 2456 $is_publish = null; 2457 $changeset_status = null; 2458 if ( isset( $_POST['customize_changeset_status'] ) ) { 2459 $changeset_status = wp_unslash( $_POST['customize_changeset_status'] ); 2460 if ( ! get_post_status_object( $changeset_status ) || ! in_array( $changeset_status, array( 'draft', 'pending', 'publish', 'future' ), true ) ) { 2461 wp_send_json_error( 'bad_customize_changeset_status', 400 ); 2462 } 2463 $is_publish = ( 'publish' === $changeset_status || 'future' === $changeset_status ); 2464 if ( $is_publish && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ) ) { 2465 wp_send_json_error( 'changeset_publish_unauthorized', 403 ); 2466 } 2467 } 2468 2469 /* 2470 * Validate changeset date param. Date is assumed to be in local time for 2471 * the WP if in MySQL format (YYYY-MM-DD HH:MM:SS). Otherwise, the date 2472 * is parsed with strtotime() so that ISO date format may be supplied 2473 * or a string like "+10 minutes". 2474 */ 2475 $changeset_date_gmt = null; 2476 if ( isset( $_POST['customize_changeset_date'] ) ) { 2477 $changeset_date = wp_unslash( $_POST['customize_changeset_date'] ); 2478 if ( preg_match( '/^\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d$/', $changeset_date ) ) { 2479 $mm = substr( $changeset_date, 5, 2 ); 2480 $jj = substr( $changeset_date, 8, 2 ); 2481 $aa = substr( $changeset_date, 0, 4 ); 2482 $valid_date = wp_checkdate( $mm, $jj, $aa, $changeset_date ); 2483 if ( ! $valid_date ) { 2484 wp_send_json_error( 'bad_customize_changeset_date', 400 ); 2485 } 2486 $changeset_date_gmt = get_gmt_from_date( $changeset_date ); 2487 } else { 2488 $timestamp = strtotime( $changeset_date ); 2489 if ( ! $timestamp ) { 2490 wp_send_json_error( 'bad_customize_changeset_date', 400 ); 2491 } 2492 $changeset_date_gmt = gmdate( 'Y-m-d H:i:s', $timestamp ); 2493 } 2494 } 2495 2496 $lock_user_id = null; 2497 $autosave = ! empty( $_POST['customize_changeset_autosave'] ); 2498 if ( ! $is_new_changeset ) { 2499 $lock_user_id = wp_check_post_lock( $this->changeset_post_id() ); 2500 } 2501 2502 // Force request to autosave when changeset is locked. 2503 if ( $lock_user_id && ! $autosave ) { 2504 $autosave = true; 2505 $changeset_status = null; 2506 $changeset_date_gmt = null; 2507 } 2508 2509 if ( $autosave && ! defined( 'DOING_AUTOSAVE' ) ) { // Back-compat. 2510 define( 'DOING_AUTOSAVE', true ); 2511 } 2512 2513 $autosaved = false; 2514 $r = $this->save_changeset_post( 2515 array( 2516 'status' => $changeset_status, 2517 'title' => $changeset_title, 2518 'date_gmt' => $changeset_date_gmt, 2519 'data' => $input_changeset_data, 2520 'autosave' => $autosave, 2521 ) 2522 ); 2523 if ( $autosave && ! is_wp_error( $r ) ) { 2524 $autosaved = true; 2525 } 2526 2527 // If the changeset was locked and an autosave request wasn't itself an error, then now explicitly return with a failure. 2528 if ( $lock_user_id && ! is_wp_error( $r ) ) { 2529 $r = new WP_Error( 2530 'changeset_locked', 2531 __( 'Changeset is being edited by other user.' ), 2532 array( 2533 'lock_user' => $this->get_lock_user_data( $lock_user_id ), 2534 ) 2535 ); 2536 } 2537 2538 if ( is_wp_error( $r ) ) { 2539 $response = array( 2540 'message' => $r->get_error_message(), 2541 'code' => $r->get_error_code(), 2542 ); 2543 if ( is_array( $r->get_error_data() ) ) { 2544 $response = array_merge( $response, $r->get_error_data() ); 2545 } else { 2546 $response['data'] = $r->get_error_data(); 2547 } 2548 } else { 2549 $response = $r; 2550 $changeset_post = get_post( $this->changeset_post_id() ); 2551 2552 // Dismiss all other auto-draft changeset posts for this user (they serve like autosave revisions), as there should only be one. 2553 if ( $is_new_changeset ) { 2554 $this->dismiss_user_auto_draft_changesets(); 2555 } 2556 2557 // Note that if the changeset status was publish, then it will get set to Trash if revisions are not supported. 2558 $response['changeset_status'] = $changeset_post->post_status; 2559 if ( $is_publish && 'trash' === $response['changeset_status'] ) { 2560 $response['changeset_status'] = 'publish'; 2561 } 2562 2563 if ( 'publish' !== $response['changeset_status'] ) { 2564 $this->set_changeset_lock( $changeset_post->ID ); 2565 } 2566 2567 if ( 'future' === $response['changeset_status'] ) { 2568 $response['changeset_date'] = $changeset_post->post_date; 2569 } 2570 2571 if ( 'publish' === $response['changeset_status'] || 'trash' === $response['changeset_status'] ) { 2572 $response['next_changeset_uuid'] = wp_generate_uuid4(); 2573 } 2574 } 2575 2576 if ( $autosave ) { 2577 $response['autosaved'] = $autosaved; 2578 } 2579 2580 if ( isset( $response['setting_validities'] ) ) { 2581 $response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] ); 2582 } 2583 2584 /** 2585 * Filters response data for a successful customize_save Ajax request. 2586 * 2587 * This filter does not apply if there was a nonce or authentication failure. 2588 * 2589 * @since 4.2.0 2590 * 2591 * @param array $response Additional information passed back to the 'saved' 2592 * event on `wp.customize`. 2593 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 2594 */ 2595 $response = apply_filters( 'customize_save_response', $response, $this ); 2596 2597 if ( is_wp_error( $r ) ) { 2598 wp_send_json_error( $response ); 2599 } else { 2600 wp_send_json_success( $response ); 2601 } 2602 } 2603 2604 /** 2605 * Save the post for the loaded changeset. 2606 * 2607 * @since 4.7.0 2608 * 2609 * @param array $args { 2610 * Args for changeset post. 2611 * 2612 * @type array $data Optional additional changeset data. Values will be merged on top of any existing post values. 2613 * @type string $status Post status. Optional. If supplied, the save will be transactional and a post revision will be allowed. 2614 * @type string $title Post title. Optional. 2615 * @type string $date_gmt Date in GMT. Optional. 2616 * @type int $user_id ID for user who is saving the changeset. Optional, defaults to the current user ID. 2617 * @type bool $starter_content Whether the data is starter content. If false (default), then $starter_content will be cleared for any $data being saved. 2618 * @type bool $autosave Whether this is a request to create an autosave revision. 2619 * } 2620 * 2621 * @return array|WP_Error Returns array on success and WP_Error with array data on error. 2622 */ 2623 function save_changeset_post( $args = array() ) { 2624 2625 $args = array_merge( 2626 array( 2627 'status' => null, 2628 'title' => null, 2629 'data' => array(), 2630 'date_gmt' => null, 2631 'user_id' => get_current_user_id(), 2632 'starter_content' => false, 2633 'autosave' => false, 2634 ), 2635 $args 2636 ); 2637 2638 $changeset_post_id = $this->changeset_post_id(); 2639 $existing_changeset_data = array(); 2640 if ( $changeset_post_id ) { 2641 $existing_status = get_post_status( $changeset_post_id ); 2642 if ( 'publish' === $existing_status || 'trash' === $existing_status ) { 2643 return new WP_Error( 2644 'changeset_already_published', 2645 __( 'The previous set of changes has already been published. Please try saving your current set of changes again.' ), 2646 array( 2647 'next_changeset_uuid' => wp_generate_uuid4(), 2648 ) 2649 ); 2650 } 2651 2652 $existing_changeset_data = $this->get_changeset_post_data( $changeset_post_id ); 2653 if ( is_wp_error( $existing_changeset_data ) ) { 2654 return $existing_changeset_data; 2655 } 2656 } 2657 2658 // Fail if attempting to publish but publish hook is missing. 2659 if ( 'publish' === $args['status'] && false === has_action( 'transition_post_status', '_wp_customize_publish_changeset' ) ) { 2660 return new WP_Error( 'missing_publish_callback' ); 2661 } 2662 2663 // Validate date. 2664 $now = gmdate( 'Y-m-d H:i:59' ); 2665 if ( $args['date_gmt'] ) { 2666 $is_future_dated = ( mysql2date( 'U', $args['date_gmt'], false ) > mysql2date( 'U', $now, false ) ); 2667 if ( ! $is_future_dated ) { 2668 return new WP_Error( 'not_future_date', __( 'You must supply a future date to schedule.' ) ); // Only future dates are allowed. 2669 } 2670 2671 if ( ! $this->is_theme_active() && ( 'future' === $args['status'] || $is_future_dated ) ) { 2672 return new WP_Error( 'cannot_schedule_theme_switches' ); // This should be allowed in the future, when theme is a regular setting. 2673 } 2674 $will_remain_auto_draft = ( ! $args['status'] && ( ! $changeset_post_id || 'auto-draft' === get_post_status( $changeset_post_id ) ) ); 2675 if ( $will_remain_auto_draft ) { 2676 return new WP_Error( 'cannot_supply_date_for_auto_draft_changeset' ); 2677 } 2678 } elseif ( $changeset_post_id && 'future' === $args['status'] ) { 2679 2680 // Fail if the new status is future but the existing post's date is not in the future. 2681 $changeset_post = get_post( $changeset_post_id ); 2682 if ( mysql2date( 'U', $changeset_post->post_date_gmt, false ) <= mysql2date( 'U', $now, false ) ) { 2683 return new WP_Error( 'not_future_date', __( 'You must supply a future date to schedule.' ) ); 2684 } 2685 } 2686 2687 if ( ! empty( $is_future_dated ) && 'publish' === $args['status'] ) { 2688 $args['status'] = 'future'; 2689 } 2690 2691 // Validate autosave param. See _wp_post_revision_fields() for why these fields are disallowed. 2692 if ( $args['autosave'] ) { 2693 if ( $args['date_gmt'] ) { 2694 return new WP_Error( 'illegal_autosave_with_date_gmt' ); 2695 } elseif ( $args['status'] ) { 2696 return new WP_Error( 'illegal_autosave_with_status' ); 2697 } elseif ( $args['user_id'] && get_current_user_id() !== $args['user_id'] ) { 2698 return new WP_Error( 'illegal_autosave_with_non_current_user' ); 2699 } 2700 } 2701 2702 // The request was made via wp.customize.previewer.save(). 2703 $update_transactionally = (bool) $args['status']; 2704 $allow_revision = (bool) $args['status']; 2705 2706 // Amend post values with any supplied data. 2707 foreach ( $args['data'] as $setting_id => $setting_params ) { 2708 if ( is_array( $setting_params ) && array_key_exists( 'value', $setting_params ) ) { 2709 $this->set_post_value( $setting_id, $setting_params['value'] ); // Add to post values so that they can be validated and sanitized. 2710 } 2711 } 2712 2713 // Note that in addition to post data, this will include any stashed theme mods. 2714 $post_values = $this->unsanitized_post_values( 2715 array( 2716 'exclude_changeset' => true, 2717 'exclude_post_data' => false, 2718 ) 2719 ); 2720 $this->add_dynamic_settings( array_keys( $post_values ) ); // Ensure settings get created even if they lack an input value. 2721 2722 /* 2723 * Get list of IDs for settings that have values different from what is currently 2724 * saved in the changeset. By skipping any values that are already the same, the 2725 * subset of changed settings can be passed into validate_setting_values to prevent 2726 * an underprivileged modifying a single setting for which they have the capability 2727 * from being blocked from saving. This also prevents a user from touching of the 2728 * previous saved settings and overriding the associated user_id if they made no change. 2729 */ 2730 $changed_setting_ids = array(); 2731 foreach ( $post_values as $setting_id => $setting_value ) { 2732 $setting = $this->get_setting( $setting_id ); 2733 2734 if ( $setting && 'theme_mod' === $setting->type ) { 2735 $prefixed_setting_id = $this->get_stylesheet() . '::' . $setting->id; 2736 } else { 2737 $prefixed_setting_id = $setting_id; 2738 } 2739 2740 $is_value_changed = ( 2741 ! isset( $existing_changeset_data[ $prefixed_setting_id ] ) 2742 || 2743 ! array_key_exists( 'value', $existing_changeset_data[ $prefixed_setting_id ] ) 2744 || 2745 $existing_changeset_data[ $prefixed_setting_id ]['value'] !== $setting_value 2746 ); 2747 if ( $is_value_changed ) { 2748 $changed_setting_ids[] = $setting_id; 2749 } 2750 } 2751 2752 /** 2753 * Fires before save validation happens. 2754 * 2755 * Plugins can add just-in-time {@see 'customize_validate_{$this->ID}'} filters 2756 * at this point to catch any settings registered after `customize_register`. 2757 * The dynamic portion of the hook name, `$this->ID` refers to the setting ID. 2758 * 2759 * @since 4.6.0 2760 * 2761 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 2762 */ 2763 do_action( 'customize_save_validation_before', $this ); 2764 2765 // Validate settings. 2766 $validated_values = array_merge( 2767 array_fill_keys( array_keys( $args['data'] ), null ), // Make sure existence/capability checks are done on value-less setting updates. 2768 $post_values 2769 ); 2770 $setting_validities = $this->validate_setting_values( 2771 $validated_values, 2772 array( 2773 'validate_capability' => true, 2774 'validate_existence' => true, 2775 ) 2776 ); 2777 $invalid_setting_count = count( array_filter( $setting_validities, 'is_wp_error' ) ); 2778 2779 /* 2780 * Short-circuit if there are invalid settings the update is transactional. 2781 * A changeset update is transactional when a status is supplied in the request. 2782 */ 2783 if ( $update_transactionally && $invalid_setting_count > 0 ) { 2784 $response = array( 2785 'setting_validities' => $setting_validities, 2786 /* translators: %s: Number of invalid settings. */ 2787 'message' => sprintf( _n( 'Unable to save due to %s invalid setting.', 'Unable to save due to %s invalid settings.', $invalid_setting_count ), number_format_i18n( $invalid_setting_count ) ), 2788 ); 2789 return new WP_Error( 'transaction_fail', '', $response ); 2790 } 2791 2792 // Obtain/merge data for changeset. 2793 $original_changeset_data = $this->get_changeset_post_data( $changeset_post_id ); 2794 $data = $original_changeset_data; 2795 if ( is_wp_error( $data ) ) { 2796 $data = array(); 2797 } 2798 2799 // Ensure that all post values are included in the changeset data. 2800 foreach ( $post_values as $setting_id => $post_value ) { 2801 if ( ! isset( $args['data'][ $setting_id ] ) ) { 2802 $args['data'][ $setting_id ] = array(); 2803 } 2804 if ( ! isset( $args['data'][ $setting_id ]['value'] ) ) { 2805 $args['data'][ $setting_id ]['value'] = $post_value; 2806 } 2807 } 2808 2809 foreach ( $args['data'] as $setting_id => $setting_params ) { 2810 $setting = $this->get_setting( $setting_id ); 2811 if ( ! $setting || ! $setting->check_capabilities() ) { 2812 continue; 2813 } 2814 2815 // Skip updating changeset for invalid setting values. 2816 if ( isset( $setting_validities[ $setting_id ] ) && is_wp_error( $setting_validities[ $setting_id ] ) ) { 2817 continue; 2818 } 2819 2820 $changeset_setting_id = $setting_id; 2821 if ( 'theme_mod' === $setting->type ) { 2822 $changeset_setting_id = sprintf( '%s::%s', $this->get_stylesheet(), $setting_id ); 2823 } 2824 2825 if ( null === $setting_params ) { 2826 // Remove setting from changeset entirely. 2827 unset( $data[ $changeset_setting_id ] ); 2828 } else { 2829 2830 if ( ! isset( $data[ $changeset_setting_id ] ) ) { 2831 $data[ $changeset_setting_id ] = array(); 2832 } 2833 2834 // Merge any additional setting params that have been supplied with the existing params. 2835 $merged_setting_params = array_merge( $data[ $changeset_setting_id ], $setting_params ); 2836 2837 // Skip updating setting params if unchanged (ensuring the user_id is not overwritten). 2838 if ( $data[ $changeset_setting_id ] === $merged_setting_params ) { 2839 continue; 2840 } 2841 2842 $data[ $changeset_setting_id ] = array_merge( 2843 $merged_setting_params, 2844 array( 2845 'type' => $setting->type, 2846 'user_id' => $args['user_id'], 2847 'date_modified_gmt' => current_time( 'mysql', true ), 2848 ) 2849 ); 2850 2851 // Clear starter_content flag in data if changeset is not explicitly being updated for starter content. 2852 if ( empty( $args['starter_content'] ) ) { 2853 unset( $data[ $changeset_setting_id ]['starter_content'] ); 2854 } 2855 } 2856 } 2857 2858 $filter_context = array( 2859 'uuid' => $this->changeset_uuid(), 2860 'title' => $args['title'], 2861 'status' => $args['status'], 2862 'date_gmt' => $args['date_gmt'], 2863 'post_id' => $changeset_post_id, 2864 'previous_data' => is_wp_error( $original_changeset_data ) ? array() : $original_changeset_data, 2865 'manager' => $this, 2866 ); 2867 2868 /** 2869 * Filters the settings' data that will be persisted into the changeset. 2870 * 2871 * Plugins may amend additional data (such as additional meta for settings) into the changeset with this filter. 2872 * 2873 * @since 4.7.0 2874 * 2875 * @param array $data Updated changeset data, mapping setting IDs to arrays containing a $value item and optionally other metadata. 2876 * @param array $context { 2877 * Filter context. 2878 * 2879 * @type string $uuid Changeset UUID. 2880 * @type string $title Requested title for the changeset post. 2881 * @type string $status Requested status for the changeset post. 2882 * @type string $date_gmt Requested date for the changeset post in MySQL format and GMT timezone. 2883 * @type int|false $post_id Post ID for the changeset, or false if it doesn't exist yet. 2884 * @type array $previous_data Previous data contained in the changeset. 2885 * @type WP_Customize_Manager $manager Manager instance. 2886 * } 2887 */ 2888 $data = apply_filters( 'customize_changeset_save_data', $data, $filter_context ); 2889 2890 // Switch theme if publishing changes now. 2891 if ( 'publish' === $args['status'] && ! $this->is_theme_active() ) { 2892 // Temporarily stop previewing the theme to allow switch_themes() to operate properly. 2893 $this->stop_previewing_theme(); 2894 switch_theme( $this->get_stylesheet() ); 2895 update_option( 'theme_switched_via_customizer', true ); 2896 $this->start_previewing_theme(); 2897 } 2898 2899 // Gather the data for wp_insert_post()/wp_update_post(). 2900 $post_array = array( 2901 // JSON_UNESCAPED_SLASHES is only to improve readability as slashes needn't be escaped in storage. 2902 'post_content' => wp_json_encode( $data, JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT ), 2903 ); 2904 if ( $args['title'] ) { 2905 $post_array['post_title'] = $args['title']; 2906 } 2907 if ( $changeset_post_id ) { 2908 $post_array['ID'] = $changeset_post_id; 2909 } else { 2910 $post_array['post_type'] = 'customize_changeset'; 2911 $post_array['post_name'] = $this->changeset_uuid(); 2912 $post_array['post_status'] = 'auto-draft'; 2913 } 2914 if ( $args['status'] ) { 2915 $post_array['post_status'] = $args['status']; 2916 } 2917 2918 // Reset post date to now if we are publishing, otherwise pass post_date_gmt and translate for post_date. 2919 if ( 'publish' === $args['status'] ) { 2920 $post_array['post_date_gmt'] = '0000-00-00 00:00:00'; 2921 $post_array['post_date'] = '0000-00-00 00:00:00'; 2922 } elseif ( $args['date_gmt'] ) { 2923 $post_array['post_date_gmt'] = $args['date_gmt']; 2924 $post_array['post_date'] = get_date_from_gmt( $args['date_gmt'] ); 2925 } elseif ( $changeset_post_id && 'auto-draft' === get_post_status( $changeset_post_id ) ) { 2926 /* 2927 * Keep bumping the date for the auto-draft whenever it is modified; 2928 * this extends its life, preserving it from garbage-collection via 2929 * wp_delete_auto_drafts(). 2930 */ 2931 $post_array['post_date'] = current_time( 'mysql' ); 2932 $post_array['post_date_gmt'] = ''; 2933 } 2934 2935 $this->store_changeset_revision = $allow_revision; 2936 add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ), 5, 3 ); 2937 2938 /* 2939 * Update the changeset post. The publish_customize_changeset action will cause the settings in the 2940 * changeset to be saved via WP_Customize_Setting::save(). Updating a post with publish status will 2941 * trigger WP_Customize_Manager::publish_changeset_values(). 2942 */ 2943 add_filter( 'wp_insert_post_data', array( $this, 'preserve_insert_changeset_post_content' ), 5, 3 ); 2944 if ( $changeset_post_id ) { 2945 if ( $args['autosave'] && 'auto-draft' !== get_post_status( $changeset_post_id ) ) { 2946 // See _wp_translate_postdata() for why this is required as it will use the edit_post meta capability. 2947 add_filter( 'map_meta_cap', array( $this, 'grant_edit_post_capability_for_changeset' ), 10, 4 ); 2948 2949 $post_array['post_ID'] = $post_array['ID']; 2950 $post_array['post_type'] = 'customize_changeset'; 2951 2952 $r = wp_create_post_autosave( wp_slash( $post_array ) ); 2953 2954 remove_filter( 'map_meta_cap', array( $this, 'grant_edit_post_capability_for_changeset' ), 10 ); 2955 } else { 2956 $post_array['edit_date'] = true; // Prevent date clearing. 2957 2958 $r = wp_update_post( wp_slash( $post_array ), true ); 2959 2960 // Delete autosave revision for user when the changeset is updated. 2961 if ( ! empty( $args['user_id'] ) ) { 2962 $autosave_draft = wp_get_post_autosave( $changeset_post_id, $args['user_id'] ); 2963 if ( $autosave_draft ) { 2964 wp_delete_post( $autosave_draft->ID, true ); 2965 } 2966 } 2967 } 2968 } else { 2969 $r = wp_insert_post( wp_slash( $post_array ), true ); 2970 if ( ! is_wp_error( $r ) ) { 2971 $this->_changeset_post_id = $r; // Update cached post ID for the loaded changeset. 2972 } 2973 } 2974 remove_filter( 'wp_insert_post_data', array( $this, 'preserve_insert_changeset_post_content' ), 5 ); 2975 2976 $this->_changeset_data = null; // Reset so WP_Customize_Manager::changeset_data() will re-populate with updated contents. 2977 2978 remove_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ) ); 2979 2980 $response = array( 2981 'setting_validities' => $setting_validities, 2982 ); 2983 2984 if ( is_wp_error( $r ) ) { 2985 $response['changeset_post_save_failure'] = $r->get_error_code(); 2986 return new WP_Error( 'changeset_post_save_failure', '', $response ); 2987 } 2988 2989 return $response; 2990 } 2991 2992 /** 2993 * Preserve the initial JSON post_content passed to save into the post. 2994 * 2995 * This is needed to prevent KSES and other {@see 'content_save_pre'} filters 2996 * from corrupting JSON data. 2997 * 2998 * Note that WP_Customize_Manager::validate_setting_values() have already 2999 * run on the setting values being serialized as JSON into the post content 3000 * so it is pre-sanitized. 3001 * 3002 * Also, the sanitization logic is re-run through the respective 3003 * WP_Customize_Setting::sanitize() method when being read out of the 3004 * changeset, via WP_Customize_Manager::post_value(), and this sanitized 3005 * value will also be sent into WP_Customize_Setting::update() for 3006 * persisting to the DB. 3007 * 3008 * Multiple users can collaborate on a single changeset, where one user may 3009 * have the unfiltered_html capability but another may not. A user with 3010 * unfiltered_html may add a script tag to some field which needs to be kept 3011 * intact even when another user updates the changeset to modify another field 3012 * when they do not have unfiltered_html. 3013 * 3014 * @since 5.4.1 3015 * 3016 * @param array $data An array of slashed and processed post data. 3017 * @param array $postarr An array of sanitized (and slashed) but otherwise unmodified post data. 3018 * @param array $unsanitized_postarr An array of slashed yet *unsanitized* and unprocessed post data as originally passed to wp_insert_post(). 3019 * @return array Filtered post data. 3020 */ 3021 public function preserve_insert_changeset_post_content( $data, $postarr, $unsanitized_postarr ) { 3022 if ( 3023 isset( $data['post_type'] ) && 3024 isset( $unsanitized_postarr['post_content'] ) && 3025 'customize_changeset' === $data['post_type'] || 3026 ( 3027 'revision' === $data['post_type'] && 3028 ! empty( $data['post_parent'] ) && 3029 'customize_changeset' === get_post_type( $data['post_parent'] ) 3030 ) 3031 ) { 3032 $data['post_content'] = $unsanitized_postarr['post_content']; 3033 } 3034 return $data; 3035 } 3036 3037 /** 3038 * Trash or delete a changeset post. 3039 * 3040 * The following re-formulates the logic from `wp_trash_post()` as done in 3041 * `wp_publish_post()`. The reason for bypassing `wp_trash_post()` is that it 3042 * will mutate the the `post_content` and the `post_name` when they should be 3043 * untouched. 3044 * 3045 * @since 4.9.0 3046 * 3047 * @see wp_trash_post() 3048 * @global wpdb $wpdb WordPress database abstraction object. 3049 * 3050 * @param int|WP_Post $post The changeset post. 3051 * @return mixed A WP_Post object for the trashed post or an empty value on failure. 3052 */ 3053 public function trash_changeset_post( $post ) { 3054 global $wpdb; 3055 3056 $post = get_post( $post ); 3057 3058 if ( ! ( $post instanceof WP_Post ) ) { 3059 return $post; 3060 } 3061 $post_id = $post->ID; 3062 3063 if ( ! EMPTY_TRASH_DAYS ) { 3064 return wp_delete_post( $post_id, true ); 3065 } 3066 3067 if ( 'trash' === get_post_status( $post ) ) { 3068 return false; 3069 } 3070 3071 /** This filter is documented in wp-includes/post.php */ 3072 $check = apply_filters( 'pre_trash_post', null, $post ); 3073 if ( null !== $check ) { 3074 return $check; 3075 } 3076 3077 /** This action is documented in wp-includes/post.php */ 3078 do_action( 'wp_trash_post', $post_id ); 3079 3080 add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status ); 3081 add_post_meta( $post_id, '_wp_trash_meta_time', time() ); 3082 3083 $old_status = $post->post_status; 3084 $new_status = 'trash'; 3085 $wpdb->update( $wpdb->posts, array( 'post_status' => $new_status ), array( 'ID' => $post->ID ) ); 3086 clean_post_cache( $post->ID ); 3087 3088 $post->post_status = $new_status; 3089 wp_transition_post_status( $new_status, $old_status, $post ); 3090 3091 /** This action is documented in wp-includes/post.php */ 3092 do_action( "edit_post_{$post->post_type}", $post->ID, $post ); 3093 3094 /** This action is documented in wp-includes/post.php */ 3095 do_action( 'edit_post', $post->ID, $post ); 3096 3097 /** This action is documented in wp-includes/post.php */ 3098 do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); 3099 3100 /** This action is documented in wp-includes/post.php */ 3101 do_action( 'save_post', $post->ID, $post, true ); 3102 3103 /** This action is documented in wp-includes/post.php */ 3104 do_action( 'wp_insert_post', $post->ID, $post, true ); 3105 3106 wp_trash_post_comments( $post_id ); 3107 3108 /** This action is documented in wp-includes/post.php */ 3109 do_action( 'trashed_post', $post_id ); 3110 3111 return $post; 3112 } 3113 3114 /** 3115 * Handle request to trash a changeset. 3116 * 3117 * @since 4.9.0 3118 */ 3119 public function handle_changeset_trash_request() { 3120 if ( ! is_user_logged_in() ) { 3121 wp_send_json_error( 'unauthenticated' ); 3122 } 3123 3124 if ( ! $this->is_preview() ) { 3125 wp_send_json_error( 'not_preview' ); 3126 } 3127 3128 if ( ! check_ajax_referer( 'trash_customize_changeset', 'nonce', false ) ) { 3129 wp_send_json_error( 3130 array( 3131 'code' => 'invalid_nonce', 3132 'message' => __( 'There was an authentication problem. Please reload and try again.' ), 3133 ) 3134 ); 3135 } 3136 3137 $changeset_post_id = $this->changeset_post_id(); 3138 3139 if ( ! $changeset_post_id ) { 3140 wp_send_json_error( 3141 array( 3142 'message' => __( 'No changes saved yet, so there is nothing to trash.' ), 3143 'code' => 'non_existent_changeset', 3144 ) 3145 ); 3146 return; 3147 } 3148 3149 if ( $changeset_post_id ) { 3150 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) { 3151 wp_send_json_error( 3152 array( 3153 'code' => 'changeset_trash_unauthorized', 3154 'message' => __( 'Unable to trash changes.' ), 3155 ) 3156 ); 3157 } 3158 3159 $lock_user = (int) wp_check_post_lock( $changeset_post_id ); 3160 3161 if ( $lock_user && get_current_user_id() !== $lock_user ) { 3162 wp_send_json_error( 3163 array( 3164 'code' => 'changeset_locked', 3165 'message' => __( 'Changeset is being edited by other user.' ), 3166 'lockUser' => $this->get_lock_user_data( $lock_user ), 3167 ) 3168 ); 3169 } 3170 } 3171 3172 if ( 'trash' === get_post_status( $changeset_post_id ) ) { 3173 wp_send_json_error( 3174 array( 3175 'message' => __( 'Changes have already been trashed.' ), 3176 'code' => 'changeset_already_trashed', 3177 ) 3178 ); 3179 return; 3180 } 3181 3182 $r = $this->trash_changeset_post( $changeset_post_id ); 3183 if ( ! ( $r instanceof WP_Post ) ) { 3184 wp_send_json_error( 3185 array( 3186 'code' => 'changeset_trash_failure', 3187 'message' => __( 'Unable to trash changes.' ), 3188 ) 3189 ); 3190 } 3191 3192 wp_send_json_success( 3193 array( 3194 'message' => __( 'Changes trashed successfully.' ), 3195 ) 3196 ); 3197 } 3198 3199 /** 3200 * Re-map 'edit_post' meta cap for a customize_changeset post to be the same as 'customize' maps. 3201 * 3202 * There is essentially a "meta meta" cap in play here, where 'edit_post' meta cap maps to 3203 * the 'customize' meta cap which then maps to 'edit_theme_options'. This is currently 3204 * required in core for `wp_create_post_autosave()` because it will call 3205 * `_wp_translate_postdata()` which in turn will check if a user can 'edit_post', but the 3206 * the caps for the customize_changeset post type are all mapping to the meta capability. 3207 * This should be able to be removed once #40922 is addressed in core. 3208 * 3209 * @since 4.9.0 3210 * 3211 * @link https://core.trac.wordpress.org/ticket/40922 3212 * @see WP_Customize_Manager::save_changeset_post() 3213 * @see _wp_translate_postdata() 3214 * 3215 * @param string[] $caps Array of the user's capabilities. 3216 * @param string $cap Capability name. 3217 * @param int $user_id The user ID. 3218 * @param array $args Adds the context to the cap. Typically the object ID. 3219 * @return array Capabilities. 3220 */ 3221 public function grant_edit_post_capability_for_changeset( $caps, $cap, $user_id, $args ) { 3222 if ( 'edit_post' === $cap && ! empty( $args[0] ) && 'customize_changeset' === get_post_type( $args[0] ) ) { 3223 $post_type_obj = get_post_type_object( 'customize_changeset' ); 3224 $caps = map_meta_cap( $post_type_obj->cap->$cap, $user_id ); 3225 } 3226 return $caps; 3227 } 3228 3229 /** 3230 * Marks the changeset post as being currently edited by the current user. 3231 * 3232 * @since 4.9.0 3233 * 3234 * @param int $changeset_post_id Changeset post ID. 3235 * @param bool $take_over Whether to take over the changeset. Default false. 3236 */ 3237 public function set_changeset_lock( $changeset_post_id, $take_over = false ) { 3238 if ( $changeset_post_id ) { 3239 $can_override = ! (bool) get_post_meta( $changeset_post_id, '_edit_lock', true ); 3240 3241 if ( $take_over ) { 3242 $can_override = true; 3243 } 3244 3245 if ( $can_override ) { 3246 $lock = sprintf( '%s:%s', time(), get_current_user_id() ); 3247 update_post_meta( $changeset_post_id, '_edit_lock', $lock ); 3248 } else { 3249 $this->refresh_changeset_lock( $changeset_post_id ); 3250 } 3251 } 3252 } 3253 3254 /** 3255 * Refreshes changeset lock with the current time if current user edited the changeset before. 3256 * 3257 * @since 4.9.0 3258 * 3259 * @param int $changeset_post_id Changeset post ID. 3260 */ 3261 public function refresh_changeset_lock( $changeset_post_id ) { 3262 if ( ! $changeset_post_id ) { 3263 return; 3264 } 3265 $lock = get_post_meta( $changeset_post_id, '_edit_lock', true ); 3266 $lock = explode( ':', $lock ); 3267 3268 if ( $lock && ! empty( $lock[1] ) ) { 3269 $user_id = intval( $lock[1] ); 3270 $current_user_id = get_current_user_id(); 3271 if ( $user_id === $current_user_id ) { 3272 $lock = sprintf( '%s:%s', time(), $user_id ); 3273 update_post_meta( $changeset_post_id, '_edit_lock', $lock ); 3274 } 3275 } 3276 } 3277 3278 /** 3279 * Filters heartbeat settings for the Customizer. 3280 * 3281 * @since 4.9.0 3282 * @param array $settings Current settings to filter. 3283 * @return array Heartbeat settings. 3284 */ 3285 public function add_customize_screen_to_heartbeat_settings( $settings ) { 3286 global $pagenow; 3287 if ( 'customize.php' === $pagenow ) { 3288 $settings['screenId'] = 'customize'; 3289 } 3290 return $settings; 3291 } 3292 3293 /** 3294 * Get lock user data. 3295 * 3296 * @since 4.9.0 3297 * 3298 * @param int $user_id User ID. 3299 * @return array|null User data formatted for client. 3300 */ 3301 protected function get_lock_user_data( $user_id ) { 3302 if ( ! $user_id ) { 3303 return null; 3304 } 3305 $lock_user = get_userdata( $user_id ); 3306 if ( ! $lock_user ) { 3307 return null; 3308 } 3309 return array( 3310 'id' => $lock_user->ID, 3311 'name' => $lock_user->display_name, 3312 'avatar' => get_avatar_url( $lock_user->ID, array( 'size' => 128 ) ), 3313 ); 3314 } 3315 3316 /** 3317 * Check locked changeset with heartbeat API. 3318 * 3319 * @since 4.9.0 3320 * 3321 * @param array $response The Heartbeat response. 3322 * @param array $data The $_POST data sent. 3323 * @param string $screen_id The screen id. 3324 * @return array The Heartbeat response. 3325 */ 3326 public function check_changeset_lock_with_heartbeat( $response, $data, $screen_id ) { 3327 if ( isset( $data['changeset_uuid'] ) ) { 3328 $changeset_post_id = $this->find_changeset_post_id( $data['changeset_uuid'] ); 3329 } else { 3330 $changeset_post_id = $this->changeset_post_id(); 3331 } 3332 3333 if ( 3334 array_key_exists( 'check_changeset_lock', $data ) 3335 && 'customize' === $screen_id 3336 && $changeset_post_id 3337 && current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) 3338 ) { 3339 $lock_user_id = wp_check_post_lock( $changeset_post_id ); 3340 3341 if ( $lock_user_id ) { 3342 $response['customize_changeset_lock_user'] = $this->get_lock_user_data( $lock_user_id ); 3343 } else { 3344 3345 // Refreshing time will ensure that the user is sitting on customizer and has not closed the customizer tab. 3346 $this->refresh_changeset_lock( $changeset_post_id ); 3347 } 3348 } 3349 3350 return $response; 3351 } 3352 3353 /** 3354 * Removes changeset lock when take over request is sent via Ajax. 3355 * 3356 * @since 4.9.0 3357 */ 3358 public function handle_override_changeset_lock_request() { 3359 if ( ! $this->is_preview() ) { 3360 wp_send_json_error( 'not_preview', 400 ); 3361 } 3362 3363 if ( ! check_ajax_referer( 'customize_override_changeset_lock', 'nonce', false ) ) { 3364 wp_send_json_error( 3365 array( 3366 'code' => 'invalid_nonce', 3367 'message' => __( 'Security check failed.' ), 3368 ) 3369 ); 3370 } 3371 3372 $changeset_post_id = $this->changeset_post_id(); 3373 3374 if ( empty( $changeset_post_id ) ) { 3375 wp_send_json_error( 3376 array( 3377 'code' => 'no_changeset_found_to_take_over', 3378 'message' => __( 'No changeset found to take over' ), 3379 ) 3380 ); 3381 } 3382 3383 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) { 3384 wp_send_json_error( 3385 array( 3386 'code' => 'cannot_remove_changeset_lock', 3387 'message' => __( 'Sorry, you are not allowed to take over.' ), 3388 ) 3389 ); 3390 } 3391 3392 $this->set_changeset_lock( $changeset_post_id, true ); 3393 3394 wp_send_json_success( 'changeset_taken_over' ); 3395 } 3396 3397 /** 3398 * Whether a changeset revision should be made. 3399 * 3400 * @since 4.7.0 3401 * @var bool 3402 */ 3403 protected $store_changeset_revision; 3404 3405 /** 3406 * Filters whether a changeset has changed to create a new revision. 3407 * 3408 * Note that this will not be called while a changeset post remains in auto-draft status. 3409 * 3410 * @since 4.7.0 3411 * 3412 * @param bool $post_has_changed Whether the post has changed. 3413 * @param WP_Post $last_revision The last revision post object. 3414 * @param WP_Post $post The post object. 3415 * @return bool Whether a revision should be made. 3416 */ 3417 public function _filter_revision_post_has_changed( $post_has_changed, $last_revision, $post ) { 3418 unset( $last_revision ); 3419 if ( 'customize_changeset' === $post->post_type ) { 3420 $post_has_changed = $this->store_changeset_revision; 3421 } 3422 return $post_has_changed; 3423 } 3424 3425 /** 3426 * Publish changeset values. 3427 * 3428 * This will the values contained in a changeset, even changesets that do not 3429 * correspond to current manager instance. This is called by 3430 * `_wp_customize_publish_changeset()` when a customize_changeset post is 3431 * transitioned to the `publish` status. As such, this method should not be 3432 * called directly and instead `wp_publish_post()` should be used. 3433 * 3434 * Please note that if the settings in the changeset are for a non-activated 3435 * theme, the theme must first be switched to (via `switch_theme()`) before 3436 * invoking this method. 3437 * 3438 * @since 4.7.0 3439 * 3440 * @see _wp_customize_publish_changeset() 3441 * @global wpdb $wpdb WordPress database abstraction object. 3442 * 3443 * @param int $changeset_post_id ID for customize_changeset post. Defaults to the changeset for the current manager instance. 3444 * @return true|WP_Error True or error info. 3445 */ 3446 public function _publish_changeset_values( $changeset_post_id ) { 3447 global $wpdb; 3448 3449 $publishing_changeset_data = $this->get_changeset_post_data( $changeset_post_id ); 3450 if ( is_wp_error( $publishing_changeset_data ) ) { 3451 return $publishing_changeset_data; 3452 } 3453 3454 $changeset_post = get_post( $changeset_post_id ); 3455 3456 /* 3457 * Temporarily override the changeset context so that it will be read 3458 * in calls to unsanitized_post_values() and so that it will be available 3459 * on the $wp_customize object passed to hooks during the save logic. 3460 */ 3461 $previous_changeset_post_id = $this->_changeset_post_id; 3462 $this->_changeset_post_id = $changeset_post_id; 3463 $previous_changeset_uuid = $this->_changeset_uuid; 3464 $this->_changeset_uuid = $changeset_post->post_name; 3465 $previous_changeset_data = $this->_changeset_data; 3466 $this->_changeset_data = $publishing_changeset_data; 3467 3468 // Parse changeset data to identify theme mod settings and user IDs associated with settings to be saved. 3469 $setting_user_ids = array(); 3470 $theme_mod_settings = array(); 3471 $namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/'; 3472 $matches = array(); 3473 foreach ( $this->_changeset_data as $raw_setting_id => $setting_params ) { 3474 $actual_setting_id = null; 3475 $is_theme_mod_setting = ( 3476 isset( $setting_params['value'] ) 3477 && 3478 isset( $setting_params['type'] ) 3479 && 3480 'theme_mod' === $setting_params['type'] 3481 && 3482 preg_match( $namespace_pattern, $raw_setting_id, $matches ) 3483 ); 3484 if ( $is_theme_mod_setting ) { 3485 if ( ! isset( $theme_mod_settings[ $matches['stylesheet'] ] ) ) { 3486 $theme_mod_settings[ $matches['stylesheet'] ] = array(); 3487 } 3488 $theme_mod_settings[ $matches['stylesheet'] ][ $matches['setting_id'] ] = $setting_params; 3489 3490 if ( $this->get_stylesheet() === $matches['stylesheet'] ) { 3491 $actual_setting_id = $matches['setting_id']; 3492 } 3493 } else { 3494 $actual_setting_id = $raw_setting_id; 3495 } 3496 3497 // Keep track of the user IDs for settings actually for this theme. 3498 if ( $actual_setting_id && isset( $setting_params['user_id'] ) ) { 3499 $setting_user_ids[ $actual_setting_id ] = $setting_params['user_id']; 3500 } 3501 } 3502 3503 $changeset_setting_values = $this->unsanitized_post_values( 3504 array( 3505 'exclude_post_data' => true, 3506 'exclude_changeset' => false, 3507 ) 3508 ); 3509 $changeset_setting_ids = array_keys( $changeset_setting_values ); 3510 $this->add_dynamic_settings( $changeset_setting_ids ); 3511 3512 /** 3513 * Fires once the theme has switched in the Customizer, but before settings 3514 * have been saved. 3515 * 3516 * @since 3.4.0 3517 * 3518 * @param WP_Customize_Manager $manager WP_Customize_Manager instance. 3519 */ 3520 do_action( 'customize_save', $this ); 3521 3522 /* 3523 * Ensure that all settings will allow themselves to be saved. Note that 3524 * this is safe because the setting would have checked the capability 3525 * when the setting value was written into the changeset. So this is why 3526 * an additional capability check is not required here. 3527 */ 3528 $original_setting_capabilities = array(); 3529 foreach ( $changeset_setting_ids as $setting_id ) { 3530 $setting = $this->get_setting( $setting_id ); 3531 if ( $setting && ! isset( $setting_user_ids[ $setting_id ] ) ) { 3532 $original_setting_capabilities[ $setting->id ] = $setting->capability; 3533 $setting->capability = 'exist'; 3534 } 3535 } 3536 3537 $original_user_id = get_current_user_id(); 3538 foreach ( $changeset_setting_ids as $setting_id ) { 3539 $setting = $this->get_setting( $setting_id ); 3540 if ( $setting ) { 3541 /* 3542 * Set the current user to match the user who saved the value into 3543 * the changeset so that any filters that apply during the save 3544 * process will respect the original user's capabilities. This 3545 * will ensure, for example, that KSES won't strip unsafe HTML 3546 * when a scheduled changeset publishes via WP Cron. 3547 */ 3548 if ( isset( $setting_user_ids[ $setting_id ] ) ) { 3549 wp_set_current_user( $setting_user_ids[ $setting_id ] ); 3550 } else { 3551 wp_set_current_user( $original_user_id ); 3552 } 3553 3554 $setting->save(); 3555 } 3556 } 3557 wp_set_current_user( $original_user_id ); 3558 3559 // Update the stashed theme mod settings, removing the active theme's stashed settings, if activated. 3560 if ( did_action( 'switch_theme' ) ) { 3561 $other_theme_mod_settings = $theme_mod_settings; 3562 unset( $other_theme_mod_settings[ $this->get_stylesheet() ] ); 3563 $this->update_stashed_theme_mod_settings( $other_theme_mod_settings ); 3564 } 3565 3566 /** 3567 * Fires after Customize settings have been saved. 3568 * 3569 * @since 3.6.0 3570 * 3571 * @param WP_Customize_Manager $manager WP_Customize_Manager instance. 3572 */ 3573 do_action( 'customize_save_after', $this ); 3574 3575 // Restore original capabilities. 3576 foreach ( $original_setting_capabilities as $setting_id => $capability ) { 3577 $setting = $this->get_setting( $setting_id ); 3578 if ( $setting ) { 3579 $setting->capability = $capability; 3580 } 3581 } 3582 3583 // Restore original changeset data. 3584 $this->_changeset_data = $previous_changeset_data; 3585 $this->_changeset_post_id = $previous_changeset_post_id; 3586 $this->_changeset_uuid = $previous_changeset_uuid; 3587 3588 /* 3589 * Convert all autosave revisions into their own auto-drafts so that users can be prompted to 3590 * restore them when a changeset is published, but they had been locked out from including 3591 * their changes in the changeset. 3592 */ 3593 $revisions = wp_get_post_revisions( $changeset_post_id, array( 'check_enabled' => false ) ); 3594 foreach ( $revisions as $revision ) { 3595 if ( false !== strpos( $revision->post_name, "{$changeset_post_id}-autosave" ) ) { 3596 $wpdb->update( 3597 $wpdb->posts, 3598 array( 3599 'post_status' => 'auto-draft', 3600 'post_type' => 'customize_changeset', 3601 'post_name' => wp_generate_uuid4(), 3602 'post_parent' => 0, 3603 ), 3604 array( 3605 'ID' => $revision->ID, 3606 ) 3607 ); 3608 clean_post_cache( $revision->ID ); 3609 } 3610 } 3611 3612 return true; 3613 } 3614 3615 /** 3616 * Update stashed theme mod settings. 3617 * 3618 * @since 4.7.0 3619 * 3620 * @param array $inactive_theme_mod_settings Mapping of stylesheet to arrays of theme mod settings. 3621 * @return array|false Returns array of updated stashed theme mods or false if the update failed or there were no changes. 3622 */ 3623 protected function update_stashed_theme_mod_settings( $inactive_theme_mod_settings ) { 3624 $stashed_theme_mod_settings = get_option( 'customize_stashed_theme_mods' ); 3625 if ( empty( $stashed_theme_mod_settings ) ) { 3626 $stashed_theme_mod_settings = array(); 3627 } 3628 3629 // Delete any stashed theme mods for the active theme since they would have been loaded and saved upon activation. 3630 unset( $stashed_theme_mod_settings[ $this->get_stylesheet() ] ); 3631 3632 // Merge inactive theme mods with the stashed theme mod settings. 3633 foreach ( $inactive_theme_mod_settings as $stylesheet => $theme_mod_settings ) { 3634 if ( ! isset( $stashed_theme_mod_settings[ $stylesheet ] ) ) { 3635 $stashed_theme_mod_settings[ $stylesheet ] = array(); 3636 } 3637 3638 $stashed_theme_mod_settings[ $stylesheet ] = array_merge( 3639 $stashed_theme_mod_settings[ $stylesheet ], 3640 $theme_mod_settings 3641 ); 3642 } 3643 3644 $autoload = false; 3645 $result = update_option( 'customize_stashed_theme_mods', $stashed_theme_mod_settings, $autoload ); 3646 if ( ! $result ) { 3647 return false; 3648 } 3649 return $stashed_theme_mod_settings; 3650 } 3651 3652 /** 3653 * Refresh nonces for the current preview. 3654 * 3655 * @since 4.2.0 3656 */ 3657 public function refresh_nonces() { 3658 if ( ! $this->is_preview() ) { 3659 wp_send_json_error( 'not_preview' ); 3660 } 3661 3662 wp_send_json_success( $this->get_nonces() ); 3663 } 3664 3665 /** 3666 * Delete a given auto-draft changeset or the autosave revision for a given changeset or delete changeset lock. 3667 * 3668 * @since 4.9.0 3669 */ 3670 public function handle_dismiss_autosave_or_lock_request() { 3671 // Calls to dismiss_user_auto_draft_changesets() and wp_get_post_autosave() require non-zero get_current_user_id(). 3672 if ( ! is_user_logged_in() ) { 3673 wp_send_json_error( 'unauthenticated', 401 ); 3674 } 3675 3676 if ( ! $this->is_preview() ) { 3677 wp_send_json_error( 'not_preview', 400 ); 3678 } 3679 3680 if ( ! check_ajax_referer( 'customize_dismiss_autosave_or_lock', 'nonce', false ) ) { 3681 wp_send_json_error( 'invalid_nonce', 403 ); 3682 } 3683 3684 $changeset_post_id = $this->changeset_post_id(); 3685 $dismiss_lock = ! empty( $_POST['dismiss_lock'] ); 3686 $dismiss_autosave = ! empty( $_POST['dismiss_autosave'] ); 3687 3688 if ( $dismiss_lock ) { 3689 if ( empty( $changeset_post_id ) && ! $dismiss_autosave ) { 3690 wp_send_json_error( 'no_changeset_to_dismiss_lock', 404 ); 3691 } 3692 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) && ! $dismiss_autosave ) { 3693 wp_send_json_error( 'cannot_remove_changeset_lock', 403 ); 3694 } 3695 3696 delete_post_meta( $changeset_post_id, '_edit_lock' ); 3697 3698 if ( ! $dismiss_autosave ) { 3699 wp_send_json_success( 'changeset_lock_dismissed' ); 3700 } 3701 } 3702 3703 if ( $dismiss_autosave ) { 3704 if ( empty( $changeset_post_id ) || 'auto-draft' === get_post_status( $changeset_post_id ) ) { 3705 $dismissed = $this->dismiss_user_auto_draft_changesets(); 3706 if ( $dismissed > 0 ) { 3707 wp_send_json_success( 'auto_draft_dismissed' ); 3708 } else { 3709 wp_send_json_error( 'no_auto_draft_to_delete', 404 ); 3710 } 3711 } else { 3712 $revision = wp_get_post_autosave( $changeset_post_id, get_current_user_id() ); 3713 3714 if ( $revision ) { 3715 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) { 3716 wp_send_json_error( 'cannot_delete_autosave_revision', 403 ); 3717 } 3718 3719 if ( ! wp_delete_post( $revision->ID, true ) ) { 3720 wp_send_json_error( 'autosave_revision_deletion_failure', 500 ); 3721 } else { 3722 wp_send_json_success( 'autosave_revision_deleted' ); 3723 } 3724 } else { 3725 wp_send_json_error( 'no_autosave_revision_to_delete', 404 ); 3726 } 3727 } 3728 } 3729 3730 wp_send_json_error( 'unknown_error', 500 ); 3731 } 3732 3733 /** 3734 * Add a customize setting. 3735 * 3736 * @since 3.4.0 3737 * @since 4.5.0 Return added WP_Customize_Setting instance. 3738 * 3739 * @see WP_Customize_Setting::__construct() 3740 * @link https://developer.wordpress.org/themes/customize-api 3741 * 3742 * @param WP_Customize_Setting|string $id Customize Setting object, or ID. 3743 * @param array $args Optional. Array of properties for the new Setting object. 3744 * See WP_Customize_Setting::__construct() for information 3745 * on accepted arguments. Default empty array. 3746 * @return WP_Customize_Setting The instance of the setting that was added. 3747 */ 3748 public function add_setting( $id, $args = array() ) { 3749 if ( $id instanceof WP_Customize_Setting ) { 3750 $setting = $id; 3751 } else { 3752 $class = 'WP_Customize_Setting'; 3753 3754 /** This filter is documented in wp-includes/class-wp-customize-manager.php */ 3755 $args = apply_filters( 'customize_dynamic_setting_args', $args, $id ); 3756 3757 /** This filter is documented in wp-includes/class-wp-customize-manager.php */ 3758 $class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args ); 3759 3760 $setting = new $class( $this, $id, $args ); 3761 } 3762 3763 $this->settings[ $setting->id ] = $setting; 3764 return $setting; 3765 } 3766 3767 /** 3768 * Register any dynamically-created settings, such as those from $_POST['customized'] 3769 * that have no corresponding setting created. 3770 * 3771 * This is a mechanism to "wake up" settings that have been dynamically created 3772 * on the front end and have been sent to WordPress in `$_POST['customized']`. When WP 3773 * loads, the dynamically-created settings then will get created and previewed 3774 * even though they are not directly created statically with code. 3775 * 3776 * @since 4.2.0 3777 * 3778 * @param array $setting_ids The setting IDs to add. 3779 * @return array The WP_Customize_Setting objects added. 3780 */ 3781 public function add_dynamic_settings( $setting_ids ) { 3782 $new_settings = array(); 3783 foreach ( $setting_ids as $setting_id ) { 3784 // Skip settings already created. 3785 if ( $this->get_setting( $setting_id ) ) { 3786 continue; 3787 } 3788 3789 $setting_args = false; 3790 $setting_class = 'WP_Customize_Setting'; 3791 3792 /** 3793 * Filters a dynamic setting's constructor args. 3794 * 3795 * For a dynamic setting to be registered, this filter must be employed 3796 * to override the default false value with an array of args to pass to 3797 * the WP_Customize_Setting constructor. 3798 * 3799 * @since 4.2.0 3800 * 3801 * @param false|array $setting_args The arguments to the WP_Customize_Setting constructor. 3802 * @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. 3803 */ 3804 $setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id ); 3805 if ( false === $setting_args ) { 3806 continue; 3807 } 3808 3809 /** 3810 * Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass. 3811 * 3812 * @since 4.2.0 3813 * 3814 * @param string $setting_class WP_Customize_Setting or a subclass. 3815 * @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. 3816 * @param array $setting_args WP_Customize_Setting or a subclass. 3817 */ 3818 $setting_class = apply_filters( 'customize_dynamic_setting_class', $setting_class, $setting_id, $setting_args ); 3819 3820 $setting = new $setting_class( $this, $setting_id, $setting_args ); 3821 3822 $this->add_setting( $setting ); 3823 $new_settings[] = $setting; 3824 } 3825 return $new_settings; 3826 } 3827 3828 /** 3829 * Retrieve a customize setting. 3830 * 3831 * @since 3.4.0 3832 * 3833 * @param string $id Customize Setting ID. 3834 * @return WP_Customize_Setting|void The setting, if set. 3835 */ 3836 public function get_setting( $id ) { 3837 if ( isset( $this->settings[ $id ] ) ) { 3838 return $this->settings[ $id ]; 3839 } 3840 } 3841 3842 /** 3843 * Remove a customize setting. 3844 * 3845 * Note that removing the setting doesn't destroy the WP_Customize_Setting instance or remove its filters. 3846 * 3847 * @since 3.4.0 3848 * 3849 * @param string $id Customize Setting ID. 3850 */ 3851 public function remove_setting( $id ) { 3852 unset( $this->settings[ $id ] ); 3853 } 3854 3855 /** 3856 * Add a customize panel. 3857 * 3858 * @since 4.0.0 3859 * @since 4.5.0 Return added WP_Customize_Panel instance. 3860 * 3861 * @see WP_Customize_Panel::__construct() 3862 * 3863 * @param WP_Customize_Panel|string $id Customize Panel object, or ID. 3864 * @param array $args Optional. Array of properties for the new Panel object. 3865 * See WP_Customize_Panel::__construct() for information 3866 * on accepted arguments. Default empty array. 3867 * @return WP_Customize_Panel The instance of the panel that was added. 3868 */ 3869 public function add_panel( $id, $args = array() ) { 3870 if ( $id instanceof WP_Customize_Panel ) { 3871 $panel = $id; 3872 } else { 3873 $panel = new WP_Customize_Panel( $this, $id, $args ); 3874 } 3875 3876 $this->panels[ $panel->id ] = $panel; 3877 return $panel; 3878 } 3879 3880 /** 3881 * Retrieve a customize panel. 3882 * 3883 * @since 4.0.0 3884 * 3885 * @param string $id Panel ID to get. 3886 * @return WP_Customize_Panel|void Requested panel instance, if set. 3887 */ 3888 public function get_panel( $id ) { 3889 if ( isset( $this->panels[ $id ] ) ) { 3890 return $this->panels[ $id ]; 3891 } 3892 } 3893 3894 /** 3895 * Remove a customize panel. 3896 * 3897 * Note that removing the panel doesn't destroy the WP_Customize_Panel instance or remove its filters. 3898 * 3899 * @since 4.0.0 3900 * 3901 * @param string $id Panel ID to remove. 3902 */ 3903 public function remove_panel( $id ) { 3904 // Removing core components this way is _doing_it_wrong(). 3905 if ( in_array( $id, $this->components, true ) ) { 3906 $message = sprintf( 3907 /* translators: 1: Panel ID, 2: Link to 'customize_loaded_components' filter reference. */ 3908 __( 'Removing %1$s manually will cause PHP warnings. Use the %2$s filter instead.' ), 3909 $id, 3910 sprintf( 3911 '<a href="%1$s">%2$s</a>', 3912 esc_url( 'https://developer.wordpress.org/reference/hooks/customize_loaded_components/' ), 3913 '<code>customize_loaded_components</code>' 3914 ) 3915 ); 3916 3917 _doing_it_wrong( __METHOD__, $message, '4.5.0' ); 3918 } 3919 unset( $this->panels[ $id ] ); 3920 } 3921 3922 /** 3923 * Register a customize panel type. 3924 * 3925 * Registered types are eligible to be rendered via JS and created dynamically. 3926 * 3927 * @since 4.3.0 3928 * 3929 * @see WP_Customize_Panel 3930 * 3931 * @param string $panel Name of a custom panel which is a subclass of WP_Customize_Panel. 3932 */ 3933 public function register_panel_type( $panel ) { 3934 $this->registered_panel_types[] = $panel; 3935 } 3936 3937 /** 3938 * Render JS templates for all registered panel types. 3939 * 3940 * @since 4.3.0 3941 */ 3942 public function render_panel_templates() { 3943 foreach ( $this->registered_panel_types as $panel_type ) { 3944 $panel = new $panel_type( $this, 'temp', array() ); 3945 $panel->print_template(); 3946 } 3947 } 3948 3949 /** 3950 * Add a customize section. 3951 * 3952 * @since 3.4.0 3953 * @since 4.5.0 Return added WP_Customize_Section instance. 3954 * 3955 * @see WP_Customize_Section::__construct() 3956 * 3957 * @param WP_Customize_Section|string $id Customize Section object, or ID. 3958 * @param array $args Optional. Array of properties for the new Section object. 3959 * See WP_Customize_Section::__construct() for information 3960 * on accepted arguments. Default empty array. 3961 * @return WP_Customize_Section The instance of the section that was added. 3962 */ 3963 public function add_section( $id, $args = array() ) { 3964 if ( $id instanceof WP_Customize_Section ) { 3965 $section = $id; 3966 } else { 3967 $section = new WP_Customize_Section( $this, $id, $args ); 3968 } 3969 3970 $this->sections[ $section->id ] = $section; 3971 return $section; 3972 } 3973 3974 /** 3975 * Retrieve a customize section. 3976 * 3977 * @since 3.4.0 3978 * 3979 * @param string $id Section ID. 3980 * @return WP_Customize_Section|void The section, if set. 3981 */ 3982 public function get_section( $id ) { 3983 if ( isset( $this->sections[ $id ] ) ) { 3984 return $this->sections[ $id ]; 3985 } 3986 } 3987 3988 /** 3989 * Remove a customize section. 3990 * 3991 * Note that removing the section doesn't destroy the WP_Customize_Section instance or remove its filters. 3992 * 3993 * @since 3.4.0 3994 * 3995 * @param string $id Section ID. 3996 */ 3997 public function remove_section( $id ) { 3998 unset( $this->sections[ $id ] ); 3999 } 4000 4001 /** 4002 * Register a customize section type. 4003 * 4004 * Registered types are eligible to be rendered via JS and created dynamically. 4005 * 4006 * @since 4.3.0 4007 * 4008 * @see WP_Customize_Section 4009 * 4010 * @param string $section Name of a custom section which is a subclass of WP_Customize_Section. 4011 */ 4012 public function register_section_type( $section ) { 4013 $this->registered_section_types[] = $section; 4014 } 4015 4016 /** 4017 * Render JS templates for all registered section types. 4018 * 4019 * @since 4.3.0 4020 */ 4021 public function render_section_templates() { 4022 foreach ( $this->registered_section_types as $section_type ) { 4023 $section = new $section_type( $this, 'temp', array() ); 4024 $section->print_template(); 4025 } 4026 } 4027 4028 /** 4029 * Add a customize control. 4030 * 4031 * @since 3.4.0 4032 * @since 4.5.0 Return added WP_Customize_Control instance. 4033 * 4034 * @see WP_Customize_Control::__construct() 4035 * 4036 * @param WP_Customize_Control|string $id Customize Control object, or ID. 4037 * @param array $args Optional. Array of properties for the new Control object. 4038 * See WP_Customize_Control::__construct() for information 4039 * on accepted arguments. Default empty array. 4040 * @return WP_Customize_Control The instance of the control that was added. 4041 */ 4042 public function add_control( $id, $args = array() ) { 4043 if ( $id instanceof WP_Customize_Control ) { 4044 $control = $id; 4045 } else { 4046 $control = new WP_Customize_Control( $this, $id, $args ); 4047 } 4048 4049 $this->controls[ $control->id ] = $control; 4050 return $control; 4051 } 4052 4053 /** 4054 * Retrieve a customize control. 4055 * 4056 * @since 3.4.0 4057 * 4058 * @param string $id ID of the control. 4059 * @return WP_Customize_Control|void The control object, if set. 4060 */ 4061 public function get_control( $id ) { 4062 if ( isset( $this->controls[ $id ] ) ) { 4063 return $this->controls[ $id ]; 4064 } 4065 } 4066 4067 /** 4068 * Remove a customize control. 4069 * 4070 * Note that removing the control doesn't destroy the WP_Customize_Control instance or remove its filters. 4071 * 4072 * @since 3.4.0 4073 * 4074 * @param string $id ID of the control. 4075 */ 4076 public function remove_control( $id ) { 4077 unset( $this->controls[ $id ] ); 4078 } 4079 4080 /** 4081 * Register a customize control type. 4082 * 4083 * Registered types are eligible to be rendered via JS and created dynamically. 4084 * 4085 * @since 4.1.0 4086 * 4087 * @param string $control Name of a custom control which is a subclass of 4088 * WP_Customize_Control. 4089 */ 4090 public function register_control_type( $control ) { 4091 $this->registered_control_types[] = $control; 4092 } 4093 4094 /** 4095 * Render JS templates for all registered control types. 4096 * 4097 * @since 4.1.0 4098 */ 4099 public function render_control_templates() { 4100 if ( $this->branching() ) { 4101 $l10n = array( 4102 /* translators: %s: User who is customizing the changeset in customizer. */ 4103 'locked' => __( '%s is already customizing this changeset. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ), 4104 /* translators: %s: User who is customizing the changeset in customizer. */ 4105 'locked_allow_override' => __( '%s is already customizing this changeset. Do you want to take over?' ), 4106 ); 4107 } else { 4108 $l10n = array( 4109 /* translators: %s: User who is customizing the changeset in customizer. */ 4110 'locked' => __( '%s is already customizing this site. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ), 4111 /* translators: %s: User who is customizing the changeset in customizer. */ 4112 'locked_allow_override' => __( '%s is already customizing this site. Do you want to take over?' ), 4113 ); 4114 } 4115 4116 foreach ( $this->registered_control_types as $control_type ) { 4117 $control = new $control_type( 4118 $this, 4119 'temp', 4120 array( 4121 'settings' => array(), 4122 ) 4123 ); 4124 $control->print_template(); 4125 } 4126 ?> 4127 4128 <script type="text/html" id="tmpl-customize-control-default-content"> 4129 <# 4130 var inputId = _.uniqueId( 'customize-control-default-input-' ); 4131 var descriptionId = _.uniqueId( 'customize-control-default-description-' ); 4132 var describedByAttr = data.description ? ' aria-describedby="' + descriptionId + '" ' : ''; 4133 #> 4134 <# switch ( data.type ) { 4135 case 'checkbox': #> 4136 <span class="customize-inside-control-row"> 4137 <input 4138 id="{{ inputId }}" 4139 {{{ describedByAttr }}} 4140 type="checkbox" 4141 value="{{ data.value }}" 4142 data-customize-setting-key-link="default" 4143 > 4144 <label for="{{ inputId }}"> 4145 {{ data.label }} 4146 </label> 4147 <# if ( data.description ) { #> 4148 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4149 <# } #> 4150 </span> 4151 <# 4152 break; 4153 case 'radio': 4154 if ( ! data.choices ) { 4155 return; 4156 } 4157 #> 4158 <# if ( data.label ) { #> 4159 <label for="{{ inputId }}" class="customize-control-title"> 4160 {{ data.label }} 4161 </label> 4162 <# } #> 4163 <# if ( data.description ) { #> 4164 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4165 <# } #> 4166 <# _.each( data.choices, function( val, key ) { #> 4167 <span class="customize-inside-control-row"> 4168 <# 4169 var value, text; 4170 if ( _.isObject( val ) ) { 4171 value = val.value; 4172 text = val.text; 4173 } else { 4174 value = key; 4175 text = val; 4176 } 4177 #> 4178 <input 4179 id="{{ inputId + '-' + value }}" 4180 type="radio" 4181 value="{{ value }}" 4182 name="{{ inputId }}" 4183 data-customize-setting-key-link="default" 4184 {{{ describedByAttr }}} 4185 > 4186 <label for="{{ inputId + '-' + value }}">{{ text }}</label> 4187 </span> 4188 <# } ); #> 4189 <# 4190 break; 4191 default: 4192 #> 4193 <# if ( data.label ) { #> 4194 <label for="{{ inputId }}" class="customize-control-title"> 4195 {{ data.label }} 4196 </label> 4197 <# } #> 4198 <# if ( data.description ) { #> 4199 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4200 <# } #> 4201 4202 <# 4203 var inputAttrs = { 4204 id: inputId, 4205 'data-customize-setting-key-link': 'default' 4206 }; 4207 if ( 'textarea' === data.type ) { 4208 inputAttrs.rows = '5'; 4209 } else if ( 'button' === data.type ) { 4210 inputAttrs['class'] = 'button button-secondary'; 4211 inputAttrs.type = 'button'; 4212 } else { 4213 inputAttrs.type = data.type; 4214 } 4215 if ( data.description ) { 4216 inputAttrs['aria-describedby'] = descriptionId; 4217 } 4218 _.extend( inputAttrs, data.input_attrs ); 4219 #> 4220 4221 <# if ( 'button' === data.type ) { #> 4222 <button 4223 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4224 {{{ key }}}="{{ value }}" 4225 <# } ); #> 4226 >{{ inputAttrs.value }}</button> 4227 <# } else if ( 'textarea' === data.type ) { #> 4228 <textarea 4229 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4230 {{{ key }}}="{{ value }}" 4231 <# }); #> 4232 >{{ inputAttrs.value }}</textarea> 4233 <# } else if ( 'select' === data.type ) { #> 4234 <# delete inputAttrs.type; #> 4235 <select 4236 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4237 {{{ key }}}="{{ value }}" 4238 <# }); #> 4239 > 4240 <# _.each( data.choices, function( val, key ) { #> 4241 <# 4242 var value, text; 4243 if ( _.isObject( val ) ) { 4244 value = val.value; 4245 text = val.text; 4246 } else { 4247 value = key; 4248 text = val; 4249 } 4250 #> 4251 <option value="{{ value }}">{{ text }}</option> 4252 <# } ); #> 4253 </select> 4254 <# } else { #> 4255 <input 4256 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4257 {{{ key }}}="{{ value }}" 4258 <# }); #> 4259 > 4260 <# } #> 4261 <# } #> 4262 </script> 4263 4264 <script type="text/html" id="tmpl-customize-notification"> 4265 <li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}"> 4266 <div class="notification-message">{{{ data.message || data.code }}}</div> 4267 <# if ( data.dismissible ) { #> 4268 <button type="button" class="notice-dismiss"><span class="screen-reader-text"><?php _e( 'Dismiss' ); ?></span></button> 4269 <# } #> 4270 </li> 4271 </script> 4272 4273 <script type="text/html" id="tmpl-customize-changeset-locked-notification"> 4274 <li class="notice notice-{{ data.type || 'info' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}"> 4275 <div class="notification-message customize-changeset-locked-message"> 4276 <img class="customize-changeset-locked-avatar" src="{{ data.lockUser.avatar }}" alt="{{ data.lockUser.name }}"> 4277 <p class="currently-editing"> 4278 <# if ( data.message ) { #> 4279 {{{ data.message }}} 4280 <# } else if ( data.allowOverride ) { #> 4281 <?php 4282 echo esc_html( sprintf( $l10n['locked_allow_override'], '{{ data.lockUser.name }}' ) ); 4283 ?> 4284 <# } else { #> 4285 <?php 4286 echo esc_html( sprintf( $l10n['locked'], '{{ data.lockUser.name }}' ) ); 4287 ?> 4288 <# } #> 4289 </p> 4290 <p class="notice notice-error notice-alt" hidden></p> 4291 <p class="action-buttons"> 4292 <# if ( data.returnUrl !== data.previewUrl ) { #> 4293 <a class="button customize-notice-go-back-button" href="{{ data.returnUrl }}"><?php _e( 'Go back' ); ?></a> 4294 <# } #> 4295 <a class="button customize-notice-preview-button" href="{{ data.frontendPreviewUrl }}"><?php _e( 'Preview' ); ?></a> 4296 <# if ( data.allowOverride ) { #> 4297 <button class="button button-primary wp-tab-last customize-notice-take-over-button"><?php _e( 'Take over' ); ?></button> 4298 <# } #> 4299 </p> 4300 </div> 4301 </li> 4302 </script> 4303 4304 <script type="text/html" id="tmpl-customize-code-editor-lint-error-notification"> 4305 <li class="notice notice-{{ data.type || 'info' }} {{ data.alt ? 'notice-alt' : '' }} {{ data.dismissible ? 'is-dismissible' : '' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}"> 4306 <div class="notification-message">{{{ data.message || data.code }}}</div> 4307 4308 <p> 4309 <# var elementId = 'el-' + String( Math.random() ); #> 4310 <input id="{{ elementId }}" type="checkbox"> 4311 <label for="{{ elementId }}"><?php _e( 'Update anyway, even though it might break your site?' ); ?></label> 4312 </p> 4313 </li> 4314 </script> 4315 4316 <?php 4317 /* The following template is obsolete in core but retained for plugins. */ 4318 ?> 4319 <script type="text/html" id="tmpl-customize-control-notifications"> 4320 <ul> 4321 <# _.each( data.notifications, function( notification ) { #> 4322 <li class="notice notice-{{ notification.type || 'info' }} {{ data.altNotice ? 'notice-alt' : '' }}" data-code="{{ notification.code }}" data-type="{{ notification.type }}">{{{ notification.message || notification.code }}}</li> 4323 <# } ); #> 4324 </ul> 4325 </script> 4326 4327 <script type="text/html" id="tmpl-customize-preview-link-control" > 4328 <# var elementPrefix = _.uniqueId( 'el' ) + '-' #> 4329 <p class="customize-control-title"> 4330 <?php esc_html_e( 'Share Preview Link' ); ?> 4331 </p> 4332 <p class="description customize-control-description"><?php esc_html_e( 'See how changes would look live on your website, and share the preview with people who can\'t access the Customizer.' ); ?></p> 4333 <div class="customize-control-notifications-container"></div> 4334 <div class="preview-link-wrapper"> 4335 <label for="{{ elementPrefix }}customize-preview-link-input" class="screen-reader-text"><?php esc_html_e( 'Preview Link' ); ?></label> 4336 <a href="" target=""> 4337 <span class="preview-control-element" data-component="url"></span> 4338 <span class="screen-reader-text"><?php _e( '(opens in a new tab)' ); ?></span> 4339 </a> 4340 <input id="{{ elementPrefix }}customize-preview-link-input" readonly tabindex="-1" class="preview-control-element" data-component="input"> 4341 <button class="customize-copy-preview-link preview-control-element button button-secondary" data-component="button" data-copy-text="<?php esc_attr_e( 'Copy' ); ?>" data-copied-text="<?php esc_attr_e( 'Copied' ); ?>" ><?php esc_html_e( 'Copy' ); ?></button> 4342 </div> 4343 </script> 4344 <script type="text/html" id="tmpl-customize-selected-changeset-status-control"> 4345 <# var inputId = _.uniqueId( 'customize-selected-changeset-status-control-input-' ); #> 4346 <# var descriptionId = _.uniqueId( 'customize-selected-changeset-status-control-description-' ); #> 4347 <# if ( data.label ) { #> 4348 <label for="{{ inputId }}" class="customize-control-title">{{ data.label }}</label> 4349 <# } #> 4350 <# if ( data.description ) { #> 4351 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4352 <# } #> 4353 <# _.each( data.choices, function( choice ) { #> 4354 <# var choiceId = inputId + '-' + choice.status; #> 4355 <span class="customize-inside-control-row"> 4356 <input id="{{ choiceId }}" type="radio" value="{{ choice.status }}" name="{{ inputId }}" data-customize-setting-key-link="default"> 4357 <label for="{{ choiceId }}">{{ choice.label }}</label> 4358 </span> 4359 <# } ); #> 4360 </script> 4361 <?php 4362 } 4363 4364 /** 4365 * Helper function to compare two objects by priority, ensuring sort stability via instance_number. 4366 * 4367 * @since 3.4.0 4368 * @deprecated 4.7.0 Use wp_list_sort() 4369 * 4370 * @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $a Object A. 4371 * @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $b Object B. 4372 * @return int 4373 */ 4374 protected function _cmp_priority( $a, $b ) { 4375 _deprecated_function( __METHOD__, '4.7.0', 'wp_list_sort' ); 4376 4377 if ( $a->priority === $b->priority ) { 4378 return $a->instance_number - $b->instance_number; 4379 } else { 4380 return $a->priority - $b->priority; 4381 } 4382 } 4383 4384 /** 4385 * Prepare panels, sections, and controls. 4386 * 4387 * For each, check if required related components exist, 4388 * whether the user has the necessary capabilities, 4389 * and sort by priority. 4390 * 4391 * @since 3.4.0 4392 */ 4393 public function prepare_controls() { 4394 4395 $controls = array(); 4396 $this->controls = wp_list_sort( 4397 $this->controls, 4398 array( 4399 'priority' => 'ASC', 4400 'instance_number' => 'ASC', 4401 ), 4402 'ASC', 4403 true 4404 ); 4405 4406 foreach ( $this->controls as $id => $control ) { 4407 if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() ) { 4408 continue; 4409 } 4410 4411 $this->sections[ $control->section ]->controls[] = $control; 4412 $controls[ $id ] = $control; 4413 } 4414 $this->controls = $controls; 4415 4416 // Prepare sections. 4417 $this->sections = wp_list_sort( 4418 $this->sections, 4419 array( 4420 'priority' => 'ASC', 4421 'instance_number' => 'ASC', 4422 ), 4423 'ASC', 4424 true 4425 ); 4426 $sections = array(); 4427 4428 foreach ( $this->sections as $section ) { 4429 if ( ! $section->check_capabilities() ) { 4430 continue; 4431 } 4432 4433 $section->controls = wp_list_sort( 4434 $section->controls, 4435 array( 4436 'priority' => 'ASC', 4437 'instance_number' => 'ASC', 4438 ) 4439 ); 4440 4441 if ( ! $section->panel ) { 4442 // Top-level section. 4443 $sections[ $section->id ] = $section; 4444 } else { 4445 // This section belongs to a panel. 4446 if ( isset( $this->panels [ $section->panel ] ) ) { 4447 $this->panels[ $section->panel ]->sections[ $section->id ] = $section; 4448 } 4449 } 4450 } 4451 $this->sections = $sections; 4452 4453 // Prepare panels. 4454 $this->panels = wp_list_sort( 4455 $this->panels, 4456 array( 4457 'priority' => 'ASC', 4458 'instance_number' => 'ASC', 4459 ), 4460 'ASC', 4461 true 4462 ); 4463 $panels = array(); 4464 4465 foreach ( $this->panels as $panel ) { 4466 if ( ! $panel->check_capabilities() ) { 4467 continue; 4468 } 4469 4470 $panel->sections = wp_list_sort( 4471 $panel->sections, 4472 array( 4473 'priority' => 'ASC', 4474 'instance_number' => 'ASC', 4475 ), 4476 'ASC', 4477 true 4478 ); 4479 $panels[ $panel->id ] = $panel; 4480 } 4481 $this->panels = $panels; 4482 4483 // Sort panels and top-level sections together. 4484 $this->containers = array_merge( $this->panels, $this->sections ); 4485 $this->containers = wp_list_sort( 4486 $this->containers, 4487 array( 4488 'priority' => 'ASC', 4489 'instance_number' => 'ASC', 4490 ), 4491 'ASC', 4492 true 4493 ); 4494 } 4495 4496 /** 4497 * Enqueue scripts for customize controls. 4498 * 4499 * @since 3.4.0 4500 */ 4501 public function enqueue_control_scripts() { 4502 foreach ( $this->controls as $control ) { 4503 $control->enqueue(); 4504 } 4505 4506 if ( ! is_multisite() && ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) || current_user_can( 'delete_themes' ) ) ) { 4507 wp_enqueue_script( 'updates' ); 4508 wp_localize_script( 4509 'updates', 4510 '_wpUpdatesItemCounts', 4511 array( 4512 'totals' => wp_get_update_data(), 4513 ) 4514 ); 4515 } 4516 } 4517 4518 /** 4519 * Determine whether the user agent is iOS. 4520 * 4521 * @since 4.4.0 4522 * 4523 * @return bool Whether the user agent is iOS. 4524 */ 4525 public function is_ios() { 4526 return wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ); 4527 } 4528 4529 /** 4530 * Get the template string for the Customizer pane document title. 4531 * 4532 * @since 4.4.0 4533 * 4534 * @return string The template string for the document title. 4535 */ 4536 public function get_document_title_template() { 4537 if ( $this->is_theme_active() ) { 4538 /* translators: %s: Document title from the preview. */ 4539 $document_title_tmpl = __( 'Customize: %s' ); 4540 } else { 4541 /* translators: %s: Document title from the preview. */ 4542 $document_title_tmpl = __( 'Live Preview: %s' ); 4543 } 4544 $document_title_tmpl = html_entity_decode( $document_title_tmpl, ENT_QUOTES, 'UTF-8' ); // Because exported to JS and assigned to document.title. 4545 return $document_title_tmpl; 4546 } 4547 4548 /** 4549 * Set the initial URL to be previewed. 4550 * 4551 * URL is validated. 4552 * 4553 * @since 4.4.0 4554 * 4555 * @param string $preview_url URL to be previewed. 4556 */ 4557 public function set_preview_url( $preview_url ) { 4558 $preview_url = esc_url_raw( $preview_url ); 4559 $this->preview_url = wp_validate_redirect( $preview_url, home_url( '/' ) ); 4560 } 4561 4562 /** 4563 * Get the initial URL to be previewed. 4564 * 4565 * @since 4.4.0 4566 * 4567 * @return string URL being previewed. 4568 */ 4569 public function get_preview_url() { 4570 if ( empty( $this->preview_url ) ) { 4571 $preview_url = home_url( '/' ); 4572 } else { 4573 $preview_url = $this->preview_url; 4574 } 4575 return $preview_url; 4576 } 4577 4578 /** 4579 * Determines whether the admin and the frontend are on different domains. 4580 * 4581 * @since 4.7.0 4582 * 4583 * @return bool Whether cross-domain. 4584 */ 4585 public function is_cross_domain() { 4586 $admin_origin = wp_parse_url( admin_url() ); 4587 $home_origin = wp_parse_url( home_url() ); 4588 $cross_domain = ( strtolower( $admin_origin['host'] ) !== strtolower( $home_origin['host'] ) ); 4589 return $cross_domain; 4590 } 4591 4592 /** 4593 * Get URLs allowed to be previewed. 4594 * 4595 * If the front end and the admin are served from the same domain, load the 4596 * preview over ssl if the Customizer is being loaded over ssl. This avoids 4597 * insecure content warnings. This is not attempted if the admin and front end 4598 * are on different domains to avoid the case where the front end doesn't have 4599 * ssl certs. Domain mapping plugins can allow other urls in these conditions 4600 * using the customize_allowed_urls filter. 4601 * 4602 * @since 4.7.0 4603 * 4604 * @return array Allowed URLs. 4605 */ 4606 public function get_allowed_urls() { 4607 $allowed_urls = array( home_url( '/' ) ); 4608 4609 if ( is_ssl() && ! $this->is_cross_domain() ) { 4610 $allowed_urls[] = home_url( '/', 'https' ); 4611 } 4612 4613 /** 4614 * Filters the list of URLs allowed to be clicked and followed in the Customizer preview. 4615 * 4616 * @since 3.4.0 4617 * 4618 * @param string[] $allowed_urls An array of allowed URLs. 4619 */ 4620 $allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) ); 4621 4622 return $allowed_urls; 4623 } 4624 4625 /** 4626 * Get messenger channel. 4627 * 4628 * @since 4.7.0 4629 * 4630 * @return string Messenger channel. 4631 */ 4632 public function get_messenger_channel() { 4633 return $this->messenger_channel; 4634 } 4635 4636 /** 4637 * Set URL to link the user to when closing the Customizer. 4638 * 4639 * URL is validated. 4640 * 4641 * @since 4.4.0 4642 * 4643 * @param string $return_url URL for return link. 4644 */ 4645 public function set_return_url( $return_url ) { 4646 $return_url = esc_url_raw( $return_url ); 4647 $return_url = remove_query_arg( wp_removable_query_args(), $return_url ); 4648 $return_url = wp_validate_redirect( $return_url ); 4649 $this->return_url = $return_url; 4650 } 4651 4652 /** 4653 * Get URL to link the user to when closing the Customizer. 4654 * 4655 * @since 4.4.0 4656 * 4657 * @global array $_registered_pages 4658 * 4659 * @return string URL for link to close Customizer. 4660 */ 4661 public function get_return_url() { 4662 global $_registered_pages; 4663 4664 $referer = wp_get_referer(); 4665 $excluded_referer_basenames = array( 'customize.php', 'wp-login.php' ); 4666 4667 if ( $this->return_url ) { 4668 $return_url = $this->return_url; 4669 } elseif ( $referer && ! in_array( wp_basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) { 4670 $return_url = $referer; 4671 } elseif ( $this->preview_url ) { 4672 $return_url = $this->preview_url; 4673 } else { 4674 $return_url = home_url( '/' ); 4675 } 4676 4677 $return_url_basename = wp_basename( parse_url( $this->return_url, PHP_URL_PATH ) ); 4678 $return_url_query = parse_url( $this->return_url, PHP_URL_QUERY ); 4679 4680 if ( 'themes.php' === $return_url_basename && $return_url_query ) { 4681 parse_str( $return_url_query, $query_vars ); 4682 4683 /* 4684 * If the return URL is a page added by a theme to the Appearance menu via add_submenu_page(), 4685 * verify that belongs to the active theme, otherwise fall back to the Themes screen. 4686 */ 4687 if ( isset( $query_vars['page'] ) && ! isset( $_registered_pages[ "appearance_page_{$query_vars['page']}" ] ) ) { 4688 $return_url = admin_url( 'themes.php' ); 4689 } 4690 } 4691 4692 return $return_url; 4693 } 4694 4695 /** 4696 * Set the autofocused constructs. 4697 * 4698 * @since 4.4.0 4699 * 4700 * @param array $autofocus { 4701 * Mapping of 'panel', 'section', 'control' to the ID which should be autofocused. 4702 * 4703 * @type string $control ID for control to be autofocused. 4704 * @type string $section ID for section to be autofocused. 4705 * @type string $panel ID for panel to be autofocused. 4706 * } 4707 */ 4708 public function set_autofocus( $autofocus ) { 4709 $this->autofocus = array_filter( wp_array_slice_assoc( $autofocus, array( 'panel', 'section', 'control' ) ), 'is_string' ); 4710 } 4711 4712 /** 4713 * Get the autofocused constructs. 4714 * 4715 * @since 4.4.0 4716 * 4717 * @return array { 4718 * Mapping of 'panel', 'section', 'control' to the ID which should be autofocused. 4719 * 4720 * @type string $control ID for control to be autofocused. 4721 * @type string $section ID for section to be autofocused. 4722 * @type string $panel ID for panel to be autofocused. 4723 * } 4724 */ 4725 public function get_autofocus() { 4726 return $this->autofocus; 4727 } 4728 4729 /** 4730 * Get nonces for the Customizer. 4731 * 4732 * @since 4.5.0 4733 * 4734 * @return array Nonces. 4735 */ 4736 public function get_nonces() { 4737 $nonces = array( 4738 'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ), 4739 'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ), 4740 'switch_themes' => wp_create_nonce( 'switch_themes' ), 4741 'dismiss_autosave_or_lock' => wp_create_nonce( 'customize_dismiss_autosave_or_lock' ), 4742 'override_lock' => wp_create_nonce( 'customize_override_changeset_lock' ), 4743 'trash' => wp_create_nonce( 'trash_customize_changeset' ), 4744 ); 4745 4746 /** 4747 * Filters nonces for Customizer. 4748 * 4749 * @since 4.2.0 4750 * 4751 * @param string[] $nonces Array of refreshed nonces for save and 4752 * preview actions. 4753 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 4754 */ 4755 $nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this ); 4756 4757 return $nonces; 4758 } 4759 4760 /** 4761 * Print JavaScript settings for parent window. 4762 * 4763 * @since 4.4.0 4764 */ 4765 public function customize_pane_settings() { 4766 4767 $login_url = add_query_arg( 4768 array( 4769 'interim-login' => 1, 4770 'customize-login' => 1, 4771 ), 4772 wp_login_url() 4773 ); 4774 4775 // Ensure dirty flags are set for modified settings. 4776 foreach ( array_keys( $this->unsanitized_post_values() ) as $setting_id ) { 4777 $setting = $this->get_setting( $setting_id ); 4778 if ( $setting ) { 4779 $setting->dirty = true; 4780 } 4781 } 4782 4783 $autosave_revision_post = null; 4784 $autosave_autodraft_post = null; 4785 $changeset_post_id = $this->changeset_post_id(); 4786 if ( ! $this->saved_starter_content_changeset && ! $this->autosaved() ) { 4787 if ( $changeset_post_id ) { 4788 if ( is_user_logged_in() ) { 4789 $autosave_revision_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() ); 4790 } 4791 } else { 4792 $autosave_autodraft_posts = $this->get_changeset_posts( 4793 array( 4794 'posts_per_page' => 1, 4795 'post_status' => 'auto-draft', 4796 'exclude_restore_dismissed' => true, 4797 ) 4798 ); 4799 if ( ! empty( $autosave_autodraft_posts ) ) { 4800 $autosave_autodraft_post = array_shift( $autosave_autodraft_posts ); 4801 } 4802 } 4803 } 4804 4805 $current_user_can_publish = current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ); 4806 4807 // @todo Include all of the status labels here from script-loader.php, and then allow it to be filtered. 4808 $status_choices = array(); 4809 if ( $current_user_can_publish ) { 4810 $status_choices[] = array( 4811 'status' => 'publish', 4812 'label' => __( 'Publish' ), 4813 ); 4814 } 4815 $status_choices[] = array( 4816 'status' => 'draft', 4817 'label' => __( 'Save Draft' ), 4818 ); 4819 if ( $current_user_can_publish ) { 4820 $status_choices[] = array( 4821 'status' => 'future', 4822 'label' => _x( 'Schedule', 'customizer changeset action/button label' ), 4823 ); 4824 } 4825 4826 // Prepare Customizer settings to pass to JavaScript. 4827 $changeset_post = null; 4828 if ( $changeset_post_id ) { 4829 $changeset_post = get_post( $changeset_post_id ); 4830 } 4831 4832 // Determine initial date to be at present or future, not past. 4833 $current_time = current_time( 'mysql', false ); 4834 $initial_date = $current_time; 4835 if ( $changeset_post ) { 4836 $initial_date = get_the_time( 'Y-m-d H:i:s', $changeset_post->ID ); 4837 if ( $initial_date < $current_time ) {