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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, but they are also looked at in the $_REQUEST global here for back-compat. 274 if ( ! isset( $args['theme'] ) ) { 275 if ( isset( $_REQUEST['customize_theme'] ) ) { 276 $args['theme'] = wp_unslash( $_REQUEST['customize_theme'] ); 277 } elseif ( isset( $_REQUEST['theme'] ) ) { // Deprecated. 278 $args['theme'] = wp_unslash( $_REQUEST['theme'] ); 279 } 280 } 281 if ( ! isset( $args['messenger_channel'] ) && isset( $_REQUEST['customize_messenger_channel'] ) ) { 282 $args['messenger_channel'] = sanitize_key( wp_unslash( $_REQUEST['customize_messenger_channel'] ) ); 283 } 284 285 $this->original_stylesheet = get_stylesheet(); 286 $this->theme = wp_get_theme( 0 === validate_file( $args['theme'] ) ? $args['theme'] : null ); 287 $this->messenger_channel = $args['messenger_channel']; 288 $this->_changeset_uuid = $args['changeset_uuid']; 289 290 foreach ( array( 'settings_previewed', 'autosaved', 'branching' ) as $key ) { 291 if ( isset( $args[ $key ] ) ) { 292 $this->$key = (bool) $args[ $key ]; 293 } 294 } 295 296 require_once ( ABSPATH . WPINC . '/class-wp-customize-setting.php' ); 297 require_once ( ABSPATH . WPINC . '/class-wp-customize-panel.php' ); 298 require_once ( ABSPATH . WPINC . '/class-wp-customize-section.php' ); 299 require_once ( ABSPATH . WPINC . '/class-wp-customize-control.php' ); 300 301 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-color-control.php' ); 302 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-media-control.php' ); 303 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-upload-control.php' ); 304 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-image-control.php' ); 305 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-control.php' ); 306 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-background-position-control.php' ); 307 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-cropped-image-control.php' ); 308 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-site-icon-control.php' ); 309 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-control.php' ); 310 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-theme-control.php' ); 311 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-code-editor-control.php' ); 312 require_once ( ABSPATH . WPINC . '/customize/class-wp-widget-area-customize-control.php' ); 313 require_once ( ABSPATH . WPINC . '/customize/class-wp-widget-form-customize-control.php' ); 314 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-control.php' ); 315 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-control.php' ); 316 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-location-control.php' ); 317 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-name-control.php' ); 318 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-locations-control.php' ); 319 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-auto-add-control.php' ); 320 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-control.php' ); // @todo Remove in a future release. See #42364. 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 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-new-menu-section.php' ); // @todo Remove in a future release. See #42364. 329 330 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-custom-css-setting.php' ); 331 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-filter-setting.php' ); 332 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-header-image-setting.php' ); 333 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-background-image-setting.php' ); 334 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-item-setting.php' ); 335 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-nav-menu-setting.php' ); 336 337 /** 338 * Filters the core Customizer components to load. 339 * 340 * This allows Core components to be excluded from being instantiated by 341 * filtering them out of the array. Note that this filter generally runs 342 * during the {@see 'plugins_loaded'} action, so it cannot be added 343 * in a theme. 344 * 345 * @since 4.4.0 346 * 347 * @see WP_Customize_Manager::__construct() 348 * 349 * @param string[] $components Array of core components to load. 350 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 351 */ 352 $components = apply_filters( 'customize_loaded_components', $this->components, $this ); 353 354 require_once ( ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php' ); 355 $this->selective_refresh = new WP_Customize_Selective_Refresh( $this ); 356 357 if ( in_array( 'widgets', $components, true ) ) { 358 require_once ( ABSPATH . WPINC . '/class-wp-customize-widgets.php' ); 359 $this->widgets = new WP_Customize_Widgets( $this ); 360 } 361 362 if ( in_array( 'nav_menus', $components, true ) ) { 363 require_once ( ABSPATH . WPINC . '/class-wp-customize-nav-menus.php' ); 364 $this->nav_menus = new WP_Customize_Nav_Menus( $this ); 365 } 366 367 add_action( 'setup_theme', array( $this, 'setup_theme' ) ); 368 add_action( 'wp_loaded', array( $this, 'wp_loaded' ) ); 369 370 // Do not spawn cron (especially the alternate cron) while running the Customizer. 371 remove_action( 'init', 'wp_cron' ); 372 373 // Do not run update checks when rendering the controls. 374 remove_action( 'admin_init', '_maybe_update_core' ); 375 remove_action( 'admin_init', '_maybe_update_plugins' ); 376 remove_action( 'admin_init', '_maybe_update_themes' ); 377 378 add_action( 'wp_ajax_customize_save', array( $this, 'save' ) ); 379 add_action( 'wp_ajax_customize_trash', array( $this, 'handle_changeset_trash_request' ) ); 380 add_action( 'wp_ajax_customize_refresh_nonces', array( $this, 'refresh_nonces' ) ); 381 add_action( 'wp_ajax_customize_load_themes', array( $this, 'handle_load_themes_request' ) ); 382 add_filter( 'heartbeat_settings', array( $this, 'add_customize_screen_to_heartbeat_settings' ) ); 383 add_filter( 'heartbeat_received', array( $this, 'check_changeset_lock_with_heartbeat' ), 10, 3 ); 384 add_action( 'wp_ajax_customize_override_changeset_lock', array( $this, 'handle_override_changeset_lock_request' ) ); 385 add_action( 'wp_ajax_customize_dismiss_autosave_or_lock', array( $this, 'handle_dismiss_autosave_or_lock_request' ) ); 386 387 add_action( 'customize_register', array( $this, 'register_controls' ) ); 388 add_action( 'customize_register', array( $this, 'register_dynamic_settings' ), 11 ); // allow code to create settings first 389 add_action( 'customize_controls_init', array( $this, 'prepare_controls' ) ); 390 add_action( 'customize_controls_enqueue_scripts', array( $this, 'enqueue_control_scripts' ) ); 391 392 // Render Common, Panel, Section, and Control templates. 393 add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_panel_templates' ), 1 ); 394 add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_section_templates' ), 1 ); 395 add_action( 'customize_controls_print_footer_scripts', array( $this, 'render_control_templates' ), 1 ); 396 397 // Export header video settings with the partial response. 398 add_filter( 'customize_render_partials_response', array( $this, 'export_header_video_settings' ), 10, 3 ); 399 400 // Export the settings to JS via the _wpCustomizeSettings variable. 401 add_action( 'customize_controls_print_footer_scripts', array( $this, 'customize_pane_settings' ), 1000 ); 402 403 // Add theme update notices. 404 if ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) ) { 405 require_once ABSPATH . 'wp-admin/includes/update.php'; 406 add_action( 'customize_controls_print_footer_scripts', 'wp_print_admin_notice_templates' ); 407 } 408 } 409 410 /** 411 * Return true if it's an Ajax request. 412 * 413 * @since 3.4.0 414 * @since 4.2.0 Added `$action` param. 415 * 416 * @param string|null $action Whether the supplied Ajax action is being run. 417 * @return bool True if it's an Ajax request, false otherwise. 418 */ 419 public function doing_ajax( $action = null ) { 420 if ( ! wp_doing_ajax() ) { 421 return false; 422 } 423 424 if ( ! $action ) { 425 return true; 426 } else { 427 /* 428 * Note: we can't just use doing_action( "wp_ajax_{$action}" ) because we need 429 * to check before admin-ajax.php gets to that point. 430 */ 431 return isset( $_REQUEST['action'] ) && wp_unslash( $_REQUEST['action'] ) === $action; 432 } 433 } 434 435 /** 436 * Custom wp_die wrapper. Returns either the standard message for UI 437 * or the Ajax message. 438 * 439 * @since 3.4.0 440 * 441 * @param mixed $ajax_message Ajax return 442 * @param mixed $message UI message 443 */ 444 protected function wp_die( $ajax_message, $message = null ) { 445 if ( $this->doing_ajax() ) { 446 wp_die( $ajax_message ); 447 } 448 449 if ( ! $message ) { 450 $message = __( 'Something went wrong.' ); 451 } 452 453 if ( $this->messenger_channel ) { 454 ob_start(); 455 wp_enqueue_scripts(); 456 wp_print_scripts( array( 'customize-base' ) ); 457 458 $settings = array( 459 'messengerArgs' => array( 460 'channel' => $this->messenger_channel, 461 'url' => wp_customize_url(), 462 ), 463 'error' => $ajax_message, 464 ); 465 ?> 466 <script> 467 ( function( api, settings ) { 468 var preview = new api.Messenger( settings.messengerArgs ); 469 preview.send( 'iframe-loading-error', settings.error ); 470 } )( wp.customize, <?php echo wp_json_encode( $settings ); ?> ); 471 </script> 472 <?php 473 $message .= ob_get_clean(); 474 } 475 476 wp_die( $message ); 477 } 478 479 /** 480 * Return the Ajax wp_die() handler if it's a customized request. 481 * 482 * @since 3.4.0 483 * @deprecated 4.7.0 484 * 485 * @return callable Die handler. 486 */ 487 public function wp_die_handler() { 488 _deprecated_function( __METHOD__, '4.7.0' ); 489 490 if ( $this->doing_ajax() || isset( $_POST['customized'] ) ) { 491 return '_ajax_wp_die_handler'; 492 } 493 494 return '_default_wp_die_handler'; 495 } 496 497 /** 498 * Start preview and customize theme. 499 * 500 * Check if customize query variable exist. Init filters to filter the current theme. 501 * 502 * @since 3.4.0 503 * 504 * @global string $pagenow 505 */ 506 public function setup_theme() { 507 global $pagenow; 508 509 // Check permissions for customize.php access since this method is called before customize.php can run any code, 510 if ( 'customize.php' === $pagenow && ! current_user_can( 'customize' ) ) { 511 if ( ! is_user_logged_in() ) { 512 auth_redirect(); 513 } else { 514 wp_die( 515 '<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' . 516 '<p>' . __( 'Sorry, you are not allowed to customize this site.' ) . '</p>', 517 403 518 ); 519 } 520 return; 521 } 522 523 // If a changeset was provided is invalid. 524 if ( isset( $this->_changeset_uuid ) && false !== $this->_changeset_uuid && ! wp_is_uuid( $this->_changeset_uuid ) ) { 525 $this->wp_die( -1, __( 'Invalid changeset UUID' ) ); 526 } 527 528 /* 529 * Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer 530 * application will inject the customize_preview_nonce query parameter into all Ajax requests. 531 * For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out 532 * a user when a valid nonce isn't present. 533 */ 534 $has_post_data_nonce = ( 535 check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false ) 536 || 537 check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false ) 538 || 539 check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false ) 540 ); 541 if ( ! current_user_can( 'customize' ) || ! $has_post_data_nonce ) { 542 unset( $_POST['customized'] ); 543 unset( $_REQUEST['customized'] ); 544 } 545 546 /* 547 * If unauthenticated then require a valid changeset UUID to load the preview. 548 * In this way, the UUID serves as a secret key. If the messenger channel is present, 549 * then send unauthenticated code to prompt re-auth. 550 */ 551 if ( ! current_user_can( 'customize' ) && ! $this->changeset_post_id() ) { 552 $this->wp_die( $this->messenger_channel ? 0 : -1, __( 'Non-existent changeset UUID.' ) ); 553 } 554 555 if ( ! headers_sent() ) { 556 send_origin_headers(); 557 } 558 559 // Hide the admin bar if we're embedded in the customizer iframe. 560 if ( $this->messenger_channel ) { 561 show_admin_bar( false ); 562 } 563 564 if ( $this->is_theme_active() ) { 565 // Once the theme is loaded, we'll validate it. 566 add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) ); 567 } else { 568 // If the requested theme is not the active theme and the user doesn't have the 569 // switch_themes cap, bail. 570 if ( ! current_user_can( 'switch_themes' ) ) { 571 $this->wp_die( -1, __( 'Sorry, you are not allowed to edit theme options on this site.' ) ); 572 } 573 574 // If the theme has errors while loading, bail. 575 if ( $this->theme()->errors() ) { 576 $this->wp_die( -1, $this->theme()->errors()->get_error_message() ); 577 } 578 579 // If the theme isn't allowed per multisite settings, bail. 580 if ( ! $this->theme()->is_allowed() ) { 581 $this->wp_die( -1, __( 'The requested theme does not exist.' ) ); 582 } 583 } 584 585 // Make sure changeset UUID is established immediately after the theme is loaded. 586 add_action( 'after_setup_theme', array( $this, 'establish_loaded_changeset' ), 5 ); 587 588 /* 589 * Import theme starter content for fresh installations when landing in the customizer. 590 * Import starter content at after_setup_theme:100 so that any 591 * add_theme_support( 'starter-content' ) calls will have been made. 592 */ 593 if ( get_option( 'fresh_site' ) && 'customize.php' === $pagenow ) { 594 add_action( 'after_setup_theme', array( $this, 'import_theme_starter_content' ), 100 ); 595 } 596 597 $this->start_previewing_theme(); 598 } 599 600 /** 601 * Establish the loaded changeset. 602 * 603 * This method runs right at after_setup_theme and applies the 'customize_changeset_branching' filter to determine 604 * whether concurrent changesets are allowed. Then if the Customizer is not initialized with a `changeset_uuid` param, 605 * this method will determine which UUID should be used. If changeset branching is disabled, then the most saved 606 * changeset will be loaded by default. Otherwise, if there are no existing saved changesets or if changeset branching is 607 * enabled, then a new UUID will be generated. 608 * 609 * @since 4.9.0 610 * @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 * @see WP_Customize_Setting::preview() 742 * 743 * @return bool 744 */ 745 public function settings_previewed() { 746 return $this->settings_previewed; 747 } 748 749 /** 750 * Gets whether data from a changeset's autosaved revision should be loaded if it exists. 751 * 752 * @since 4.9.0 753 * @see WP_Customize_Manager::changeset_data() 754 * 755 * @return bool Is using autosaved changeset revision. 756 */ 757 public function autosaved() { 758 return $this->autosaved; 759 } 760 761 /** 762 * Whether the changeset branching is allowed. 763 * 764 * @since 4.9.0 765 * @see WP_Customize_Manager::establish_loaded_changeset() 766 * 767 * @return bool Is changeset branching. 768 */ 769 public function branching() { 770 771 /** 772 * Filters whether or not changeset branching is allowed. 773 * 774 * By default in core, when changeset branching is not allowed, changesets will operate 775 * linearly in that only one saved changeset will exist at a time (with a 'draft' or 776 * 'future' status). This makes the Customizer operate in a way that is similar to going to 777 * "edit" to one existing post: all users will be making changes to the same post, and autosave 778 * revisions will be made for that post. 779 * 780 * By contrast, when changeset branching is allowed, then the model is like users going 781 * to "add new" for a page and each user makes changes independently of each other since 782 * they are all operating on their own separate pages, each getting their own separate 783 * initial auto-drafts and then once initially saved, autosave revisions on top of that 784 * user's specific post. 785 * 786 * Since linear changesets are deemed to be more suitable for the majority of WordPress users, 787 * they are the default. For WordPress sites that have heavy site management in the Customizer 788 * by multiple users then branching changesets should be enabled by means of this filter. 789 * 790 * @since 4.9.0 791 * 792 * @param bool $allow_branching Whether branching is allowed. If `false`, the default, 793 * then only one saved changeset exists at a time. 794 * @param WP_Customize_Manager $wp_customize Manager instance. 795 */ 796 $this->branching = apply_filters( 'customize_changeset_branching', $this->branching, $this ); 797 798 return $this->branching; 799 } 800 801 /** 802 * Get the changeset UUID. 803 * 804 * @since 4.7.0 805 * @see WP_Customize_Manager::establish_loaded_changeset() 806 * 807 * @return string UUID. 808 */ 809 public function changeset_uuid() { 810 if ( empty( $this->_changeset_uuid ) ) { 811 $this->establish_loaded_changeset(); 812 } 813 return $this->_changeset_uuid; 814 } 815 816 /** 817 * Get the theme being customized. 818 * 819 * @since 3.4.0 820 * 821 * @return WP_Theme 822 */ 823 public function theme() { 824 if ( ! $this->theme ) { 825 $this->theme = wp_get_theme(); 826 } 827 return $this->theme; 828 } 829 830 /** 831 * Get the registered settings. 832 * 833 * @since 3.4.0 834 * 835 * @return array 836 */ 837 public function settings() { 838 return $this->settings; 839 } 840 841 /** 842 * Get the registered controls. 843 * 844 * @since 3.4.0 845 * 846 * @return array 847 */ 848 public function controls() { 849 return $this->controls; 850 } 851 852 /** 853 * Get the registered containers. 854 * 855 * @since 4.0.0 856 * 857 * @return array 858 */ 859 public function containers() { 860 return $this->containers; 861 } 862 863 /** 864 * Get the registered sections. 865 * 866 * @since 3.4.0 867 * 868 * @return array 869 */ 870 public function sections() { 871 return $this->sections; 872 } 873 874 /** 875 * Get the registered panels. 876 * 877 * @since 4.0.0 878 * 879 * @return array Panels. 880 */ 881 public function panels() { 882 return $this->panels; 883 } 884 885 /** 886 * Checks if the current theme is active. 887 * 888 * @since 3.4.0 889 * 890 * @return bool 891 */ 892 public function is_theme_active() { 893 return $this->get_stylesheet() == $this->original_stylesheet; 894 } 895 896 /** 897 * Register styles/scripts and initialize the preview of each setting 898 * 899 * @since 3.4.0 900 */ 901 public function wp_loaded() { 902 903 // Unconditionally register core types for panels, sections, and controls in case plugin unhooks all customize_register actions. 904 $this->register_panel_type( 'WP_Customize_Panel' ); 905 $this->register_panel_type( 'WP_Customize_Themes_Panel' ); 906 $this->register_section_type( 'WP_Customize_Section' ); 907 $this->register_section_type( 'WP_Customize_Sidebar_Section' ); 908 $this->register_section_type( 'WP_Customize_Themes_Section' ); 909 $this->register_control_type( 'WP_Customize_Color_Control' ); 910 $this->register_control_type( 'WP_Customize_Media_Control' ); 911 $this->register_control_type( 'WP_Customize_Upload_Control' ); 912 $this->register_control_type( 'WP_Customize_Image_Control' ); 913 $this->register_control_type( 'WP_Customize_Background_Image_Control' ); 914 $this->register_control_type( 'WP_Customize_Background_Position_Control' ); 915 $this->register_control_type( 'WP_Customize_Cropped_Image_Control' ); 916 $this->register_control_type( 'WP_Customize_Site_Icon_Control' ); 917 $this->register_control_type( 'WP_Customize_Theme_Control' ); 918 $this->register_control_type( 'WP_Customize_Code_Editor_Control' ); 919 $this->register_control_type( 'WP_Customize_Date_Time_Control' ); 920 921 /** 922 * Fires once WordPress has loaded, allowing scripts and styles to be initialized. 923 * 924 * @since 3.4.0 925 * 926 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 927 */ 928 do_action( 'customize_register', $this ); 929 930 if ( $this->settings_previewed() ) { 931 foreach ( $this->settings as $setting ) { 932 $setting->preview(); 933 } 934 } 935 936 if ( $this->is_preview() && ! is_admin() ) { 937 $this->customize_preview_init(); 938 } 939 } 940 941 /** 942 * Prevents Ajax requests from following redirects when previewing a theme 943 * by issuing a 200 response instead of a 30x. 944 * 945 * Instead, the JS will sniff out the location header. 946 * 947 * @since 3.4.0 948 * @deprecated 4.7.0 949 * 950 * @param int $status Status. 951 * @return int 952 */ 953 public function wp_redirect_status( $status ) { 954 _deprecated_function( __FUNCTION__, '4.7.0' ); 955 956 if ( $this->is_preview() && ! is_admin() ) { 957 return 200; 958 } 959 960 return $status; 961 } 962 963 /** 964 * Find the changeset post ID for a given changeset UUID. 965 * 966 * @since 4.7.0 967 * 968 * @param string $uuid Changeset UUID. 969 * @return int|null Returns post ID on success and null on failure. 970 */ 971 public function find_changeset_post_id( $uuid ) { 972 $cache_group = 'customize_changeset_post'; 973 $changeset_post_id = wp_cache_get( $uuid, $cache_group ); 974 if ( $changeset_post_id && 'customize_changeset' === get_post_type( $changeset_post_id ) ) { 975 return $changeset_post_id; 976 } 977 978 $changeset_post_query = new WP_Query( 979 array( 980 'post_type' => 'customize_changeset', 981 'post_status' => get_post_stati(), 982 'name' => $uuid, 983 'posts_per_page' => 1, 984 'no_found_rows' => true, 985 'cache_results' => true, 986 'update_post_meta_cache' => false, 987 'update_post_term_cache' => false, 988 'lazy_load_term_meta' => false, 989 ) 990 ); 991 if ( ! empty( $changeset_post_query->posts ) ) { 992 // Note: 'fields'=>'ids' is not being used in order to cache the post object as it will be needed. 993 $changeset_post_id = $changeset_post_query->posts[0]->ID; 994 wp_cache_set( $uuid, $changeset_post_id, $cache_group ); 995 return $changeset_post_id; 996 } 997 998 return null; 999 } 1000 1001 /** 1002 * Get changeset posts. 1003 * 1004 * @since 4.9.0 1005 * 1006 * @param array $args { 1007 * Args to pass into `get_posts()` to query changesets. 1008 * 1009 * @type int $posts_per_page Number of posts to return. Defaults to -1 (all posts). 1010 * @type int $author Post author. Defaults to current user. 1011 * @type string $post_status Status of changeset. Defaults to 'auto-draft'. 1012 * @type bool $exclude_restore_dismissed Whether to exclude changeset auto-drafts that have been dismissed. Defaults to true. 1013 * } 1014 * @return WP_Post[] Auto-draft changesets. 1015 */ 1016 protected function get_changeset_posts( $args = array() ) { 1017 $default_args = array( 1018 'exclude_restore_dismissed' => true, 1019 'posts_per_page' => -1, 1020 'post_type' => 'customize_changeset', 1021 'post_status' => 'auto-draft', 1022 'order' => 'DESC', 1023 'orderby' => 'date', 1024 'no_found_rows' => true, 1025 'cache_results' => true, 1026 'update_post_meta_cache' => false, 1027 'update_post_term_cache' => false, 1028 'lazy_load_term_meta' => false, 1029 ); 1030 if ( get_current_user_id() ) { 1031 $default_args['author'] = get_current_user_id(); 1032 } 1033 $args = array_merge( $default_args, $args ); 1034 1035 if ( ! empty( $args['exclude_restore_dismissed'] ) ) { 1036 unset( $args['exclude_restore_dismissed'] ); 1037 $args['meta_query'] = array( 1038 array( 1039 'key' => '_customize_restore_dismissed', 1040 'compare' => 'NOT EXISTS', 1041 ), 1042 ); 1043 } 1044 1045 return get_posts( $args ); 1046 } 1047 1048 /** 1049 * Dismiss all of the current user's auto-drafts (other than the present one). 1050 * 1051 * @since 4.9.0 1052 * @return int The number of auto-drafts that were dismissed. 1053 */ 1054 protected function dismiss_user_auto_draft_changesets() { 1055 $changeset_autodraft_posts = $this->get_changeset_posts( 1056 array( 1057 'post_status' => 'auto-draft', 1058 'exclude_restore_dismissed' => true, 1059 'posts_per_page' => -1, 1060 ) 1061 ); 1062 $dismissed = 0; 1063 foreach ( $changeset_autodraft_posts as $autosave_autodraft_post ) { 1064 if ( $autosave_autodraft_post->ID === $this->changeset_post_id() ) { 1065 continue; 1066 } 1067 if ( update_post_meta( $autosave_autodraft_post->ID, '_customize_restore_dismissed', true ) ) { 1068 $dismissed++; 1069 } 1070 } 1071 return $dismissed; 1072 } 1073 1074 /** 1075 * Get the changeset post id for the loaded changeset. 1076 * 1077 * @since 4.7.0 1078 * 1079 * @return int|null Post ID on success or null if there is no post yet saved. 1080 */ 1081 public function changeset_post_id() { 1082 if ( ! isset( $this->_changeset_post_id ) ) { 1083 $post_id = $this->find_changeset_post_id( $this->changeset_uuid() ); 1084 if ( ! $post_id ) { 1085 $post_id = false; 1086 } 1087 $this->_changeset_post_id = $post_id; 1088 } 1089 if ( false === $this->_changeset_post_id ) { 1090 return null; 1091 } 1092 return $this->_changeset_post_id; 1093 } 1094 1095 /** 1096 * Get the data stored in a changeset post. 1097 * 1098 * @since 4.7.0 1099 * 1100 * @param int $post_id Changeset post ID. 1101 * @return array|WP_Error Changeset data or WP_Error on error. 1102 */ 1103 protected function get_changeset_post_data( $post_id ) { 1104 if ( ! $post_id ) { 1105 return new WP_Error( 'empty_post_id' ); 1106 } 1107 $changeset_post = get_post( $post_id ); 1108 if ( ! $changeset_post ) { 1109 return new WP_Error( 'missing_post' ); 1110 } 1111 if ( 'revision' === $changeset_post->post_type ) { 1112 if ( 'customize_changeset' !== get_post_type( $changeset_post->post_parent ) ) { 1113 return new WP_Error( 'wrong_post_type' ); 1114 } 1115 } elseif ( 'customize_changeset' !== $changeset_post->post_type ) { 1116 return new WP_Error( 'wrong_post_type' ); 1117 } 1118 $changeset_data = json_decode( $changeset_post->post_content, true ); 1119 if ( function_exists( 'json_last_error' ) && json_last_error() ) { 1120 return new WP_Error( 'json_parse_error', '', json_last_error() ); 1121 } 1122 if ( ! is_array( $changeset_data ) ) { 1123 return new WP_Error( 'expected_array' ); 1124 } 1125 return $changeset_data; 1126 } 1127 1128 /** 1129 * Get changeset data. 1130 * 1131 * @since 4.7.0 1132 * @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. 1133 * 1134 * @return array Changeset data. 1135 */ 1136 public function changeset_data() { 1137 if ( isset( $this->_changeset_data ) ) { 1138 return $this->_changeset_data; 1139 } 1140 $changeset_post_id = $this->changeset_post_id(); 1141 if ( ! $changeset_post_id ) { 1142 $this->_changeset_data = array(); 1143 } else { 1144 if ( $this->autosaved() && is_user_logged_in() ) { 1145 $autosave_post = wp_get_post_autosave( $changeset_post_id, get_current_user_id() ); 1146 if ( $autosave_post ) { 1147 $data = $this->get_changeset_post_data( $autosave_post->ID ); 1148 if ( ! is_wp_error( $data ) ) { 1149 $this->_changeset_data = $data; 1150 } 1151 } 1152 } 1153 1154 // Load data from the changeset if it was not loaded from an autosave. 1155 if ( ! isset( $this->_changeset_data ) ) { 1156 $data = $this->get_changeset_post_data( $changeset_post_id ); 1157 if ( ! is_wp_error( $data ) ) { 1158 $this->_changeset_data = $data; 1159 } else { 1160 $this->_changeset_data = array(); 1161 } 1162 } 1163 } 1164 return $this->_changeset_data; 1165 } 1166 1167 /** 1168 * Starter content setting IDs. 1169 * 1170 * @since 4.7.0 1171 * @var array 1172 */ 1173 protected $pending_starter_content_settings_ids = array(); 1174 1175 /** 1176 * Import theme starter content into the customized state. 1177 * 1178 * @since 4.7.0 1179 * 1180 * @param array $starter_content Starter content. Defaults to `get_theme_starter_content()`. 1181 */ 1182 function import_theme_starter_content( $starter_content = array() ) { 1183 if ( empty( $starter_content ) ) { 1184 $starter_content = get_theme_starter_content(); 1185 } 1186 1187 $changeset_data = array(); 1188 if ( $this->changeset_post_id() ) { 1189 /* 1190 * Don't re-import starter content into a changeset saved persistently. 1191 * This will need to be revisited in the future once theme switching 1192 * is allowed with drafted/scheduled changesets, since switching to 1193 * another theme could result in more starter content being applied. 1194 * However, when doing an explicit save it is currently possible for 1195 * nav menus and nav menu items specifically to lose their starter_content 1196 * flags, thus resulting in duplicates being created since they fail 1197 * to get re-used. See #40146. 1198 */ 1199 if ( 'auto-draft' !== get_post_status( $this->changeset_post_id() ) ) { 1200 return; 1201 } 1202 1203 $changeset_data = $this->get_changeset_post_data( $this->changeset_post_id() ); 1204 } 1205 1206 $sidebars_widgets = isset( $starter_content['widgets'] ) && ! empty( $this->widgets ) ? $starter_content['widgets'] : array(); 1207 $attachments = isset( $starter_content['attachments'] ) && ! empty( $this->nav_menus ) ? $starter_content['attachments'] : array(); 1208 $posts = isset( $starter_content['posts'] ) && ! empty( $this->nav_menus ) ? $starter_content['posts'] : array(); 1209 $options = isset( $starter_content['options'] ) ? $starter_content['options'] : array(); 1210 $nav_menus = isset( $starter_content['nav_menus'] ) && ! empty( $this->nav_menus ) ? $starter_content['nav_menus'] : array(); 1211 $theme_mods = isset( $starter_content['theme_mods'] ) ? $starter_content['theme_mods'] : array(); 1212 1213 // Widgets. 1214 $max_widget_numbers = array(); 1215 foreach ( $sidebars_widgets as $sidebar_id => $widgets ) { 1216 $sidebar_widget_ids = array(); 1217 foreach ( $widgets as $widget ) { 1218 list( $id_base, $instance ) = $widget; 1219 1220 if ( ! isset( $max_widget_numbers[ $id_base ] ) ) { 1221 1222 // When $settings is an array-like object, get an intrinsic array for use with array_keys(). 1223 $settings = get_option( "widget_{$id_base}", array() ); 1224 if ( $settings instanceof ArrayObject || $settings instanceof ArrayIterator ) { 1225 $settings = $settings->getArrayCopy(); 1226 } 1227 1228 // Find the max widget number for this type. 1229 $widget_numbers = array_keys( $settings ); 1230 if ( count( $widget_numbers ) > 0 ) { 1231 $widget_numbers[] = 1; 1232 $max_widget_numbers[ $id_base ] = call_user_func_array( 'max', $widget_numbers ); 1233 } else { 1234 $max_widget_numbers[ $id_base ] = 1; 1235 } 1236 } 1237 $max_widget_numbers[ $id_base ] += 1; 1238 1239 $widget_id = sprintf( '%s-%d', $id_base, $max_widget_numbers[ $id_base ] ); 1240 $setting_id = sprintf( 'widget_%s[%d]', $id_base, $max_widget_numbers[ $id_base ] ); 1241 1242 $setting_value = $this->widgets->sanitize_widget_js_instance( $instance ); 1243 if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) { 1244 $this->set_post_value( $setting_id, $setting_value ); 1245 $this->pending_starter_content_settings_ids[] = $setting_id; 1246 } 1247 $sidebar_widget_ids[] = $widget_id; 1248 } 1249 1250 $setting_id = sprintf( 'sidebars_widgets[%s]', $sidebar_id ); 1251 if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) { 1252 $this->set_post_value( $setting_id, $sidebar_widget_ids ); 1253 $this->pending_starter_content_settings_ids[] = $setting_id; 1254 } 1255 } 1256 1257 $starter_content_auto_draft_post_ids = array(); 1258 if ( ! empty( $changeset_data['nav_menus_created_posts']['value'] ) ) { 1259 $starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, $changeset_data['nav_menus_created_posts']['value'] ); 1260 } 1261 1262 // Make an index of all the posts needed and what their slugs are. 1263 $needed_posts = array(); 1264 $attachments = $this->prepare_starter_content_attachments( $attachments ); 1265 foreach ( $attachments as $attachment ) { 1266 $key = 'attachment:' . $attachment['post_name']; 1267 $needed_posts[ $key ] = true; 1268 } 1269 foreach ( array_keys( $posts ) as $post_symbol ) { 1270 if ( empty( $posts[ $post_symbol ]['post_name'] ) && empty( $posts[ $post_symbol ]['post_title'] ) ) { 1271 unset( $posts[ $post_symbol ] ); 1272 continue; 1273 } 1274 if ( empty( $posts[ $post_symbol ]['post_name'] ) ) { 1275 $posts[ $post_symbol ]['post_name'] = sanitize_title( $posts[ $post_symbol ]['post_title'] ); 1276 } 1277 if ( empty( $posts[ $post_symbol ]['post_type'] ) ) { 1278 $posts[ $post_symbol ]['post_type'] = 'post'; 1279 } 1280 $needed_posts[ $posts[ $post_symbol ]['post_type'] . ':' . $posts[ $post_symbol ]['post_name'] ] = true; 1281 } 1282 $all_post_slugs = array_merge( 1283 wp_list_pluck( $attachments, 'post_name' ), 1284 wp_list_pluck( $posts, 'post_name' ) 1285 ); 1286 1287 /* 1288 * Obtain all post types referenced in starter content to use in query. 1289 * This is needed because 'any' will not account for post types not yet registered. 1290 */ 1291 $post_types = array_filter( array_merge( array( 'attachment' ), wp_list_pluck( $posts, 'post_type' ) ) ); 1292 1293 // Re-use auto-draft starter content posts referenced in the current customized state. 1294 $existing_starter_content_posts = array(); 1295 if ( ! empty( $starter_content_auto_draft_post_ids ) ) { 1296 $existing_posts_query = new WP_Query( 1297 array( 1298 'post__in' => $starter_content_auto_draft_post_ids, 1299 'post_status' => 'auto-draft', 1300 'post_type' => $post_types, 1301 'posts_per_page' => -1, 1302 ) 1303 ); 1304 foreach ( $existing_posts_query->posts as $existing_post ) { 1305 $post_name = $existing_post->post_name; 1306 if ( empty( $post_name ) ) { 1307 $post_name = get_post_meta( $existing_post->ID, '_customize_draft_post_name', true ); 1308 } 1309 $existing_starter_content_posts[ $existing_post->post_type . ':' . $post_name ] = $existing_post; 1310 } 1311 } 1312 1313 // Re-use non-auto-draft posts. 1314 if ( ! empty( $all_post_slugs ) ) { 1315 $existing_posts_query = new WP_Query( 1316 array( 1317 'post_name__in' => $all_post_slugs, 1318 'post_status' => array_diff( get_post_stati(), array( 'auto-draft' ) ), 1319 'post_type' => 'any', 1320 'posts_per_page' => -1, 1321 ) 1322 ); 1323 foreach ( $existing_posts_query->posts as $existing_post ) { 1324 $key = $existing_post->post_type . ':' . $existing_post->post_name; 1325 if ( isset( $needed_posts[ $key ] ) && ! isset( $existing_starter_content_posts[ $key ] ) ) { 1326 $existing_starter_content_posts[ $key ] = $existing_post; 1327 } 1328 } 1329 } 1330 1331 // Attachments are technically posts but handled differently. 1332 if ( ! empty( $attachments ) ) { 1333 1334 $attachment_ids = array(); 1335 1336 foreach ( $attachments as $symbol => $attachment ) { 1337 $file_array = array( 1338 'name' => $attachment['file_name'], 1339 ); 1340 $file_path = $attachment['file_path']; 1341 $attachment_id = null; 1342 $attached_file = null; 1343 if ( isset( $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ] ) ) { 1344 $attachment_post = $existing_starter_content_posts[ 'attachment:' . $attachment['post_name'] ]; 1345 $attachment_id = $attachment_post->ID; 1346 $attached_file = get_attached_file( $attachment_id ); 1347 if ( empty( $attached_file ) || ! file_exists( $attached_file ) ) { 1348 $attachment_id = null; 1349 $attached_file = null; 1350 } elseif ( $this->get_stylesheet() !== get_post_meta( $attachment_post->ID, '_starter_content_theme', true ) ) { 1351 1352 // Re-generate attachment metadata since it was previously generated for a different theme. 1353 $metadata = wp_generate_attachment_metadata( $attachment_post->ID, $attached_file ); 1354 wp_update_attachment_metadata( $attachment_id, $metadata ); 1355 update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() ); 1356 } 1357 } 1358 1359 // Insert the attachment auto-draft because it doesn't yet exist or the attached file is gone. 1360 if ( ! $attachment_id ) { 1361 1362 // Copy file to temp location so that original file won't get deleted from theme after sideloading. 1363 $temp_file_name = wp_tempnam( wp_basename( $file_path ) ); 1364 if ( $temp_file_name && copy( $file_path, $temp_file_name ) ) { 1365 $file_array['tmp_name'] = $temp_file_name; 1366 } 1367 if ( empty( $file_array['tmp_name'] ) ) { 1368 continue; 1369 } 1370 1371 $attachment_post_data = array_merge( 1372 wp_array_slice_assoc( $attachment, array( 'post_title', 'post_content', 'post_excerpt' ) ), 1373 array( 1374 'post_status' => 'auto-draft', // So attachment will be garbage collected in a week if changeset is never published. 1375 ) 1376 ); 1377 1378 // In PHP < 5.6 filesize() returns 0 for the temp files unless we clear the file status cache. 1379 // Technically, PHP < 5.6.0 || < 5.5.13 || < 5.4.29 but no need to be so targeted. 1380 // See https://bugs.php.net/bug.php?id=65701 1381 if ( version_compare( PHP_VERSION, '5.6', '<' ) ) { 1382 clearstatcache(); 1383 } 1384 1385 $attachment_id = media_handle_sideload( $file_array, 0, null, $attachment_post_data ); 1386 if ( is_wp_error( $attachment_id ) ) { 1387 continue; 1388 } 1389 update_post_meta( $attachment_id, '_starter_content_theme', $this->get_stylesheet() ); 1390 update_post_meta( $attachment_id, '_customize_draft_post_name', $attachment['post_name'] ); 1391 } 1392 1393 $attachment_ids[ $symbol ] = $attachment_id; 1394 } 1395 $starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, array_values( $attachment_ids ) ); 1396 } 1397 1398 // Posts & pages. 1399 if ( ! empty( $posts ) ) { 1400 foreach ( array_keys( $posts ) as $post_symbol ) { 1401 if ( empty( $posts[ $post_symbol ]['post_type'] ) || empty( $posts[ $post_symbol ]['post_name'] ) ) { 1402 continue; 1403 } 1404 $post_type = $posts[ $post_symbol ]['post_type']; 1405 if ( ! empty( $posts[ $post_symbol ]['post_name'] ) ) { 1406 $post_name = $posts[ $post_symbol ]['post_name']; 1407 } elseif ( ! empty( $posts[ $post_symbol ]['post_title'] ) ) { 1408 $post_name = sanitize_title( $posts[ $post_symbol ]['post_title'] ); 1409 } else { 1410 continue; 1411 } 1412 1413 // Use existing auto-draft post if one already exists with the same type and name. 1414 if ( isset( $existing_starter_content_posts[ $post_type . ':' . $post_name ] ) ) { 1415 $posts[ $post_symbol ]['ID'] = $existing_starter_content_posts[ $post_type . ':' . $post_name ]->ID; 1416 continue; 1417 } 1418 1419 // Translate the featured image symbol. 1420 if ( ! empty( $posts[ $post_symbol ]['thumbnail'] ) 1421 && preg_match( '/^{{(?P<symbol>.+)}}$/', $posts[ $post_symbol ]['thumbnail'], $matches ) 1422 && isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1423 $posts[ $post_symbol ]['meta_input']['_thumbnail_id'] = $attachment_ids[ $matches['symbol'] ]; 1424 } 1425 1426 if ( ! empty( $posts[ $post_symbol ]['template'] ) ) { 1427 $posts[ $post_symbol ]['meta_input']['_wp_page_template'] = $posts[ $post_symbol ]['template']; 1428 } 1429 1430 $r = $this->nav_menus->insert_auto_draft_post( $posts[ $post_symbol ] ); 1431 if ( $r instanceof WP_Post ) { 1432 $posts[ $post_symbol ]['ID'] = $r->ID; 1433 } 1434 } 1435 1436 $starter_content_auto_draft_post_ids = array_merge( $starter_content_auto_draft_post_ids, wp_list_pluck( $posts, 'ID' ) ); 1437 } 1438 1439 // The nav_menus_created_posts setting is why nav_menus component is dependency for adding posts. 1440 if ( ! empty( $this->nav_menus ) && ! empty( $starter_content_auto_draft_post_ids ) ) { 1441 $setting_id = 'nav_menus_created_posts'; 1442 $this->set_post_value( $setting_id, array_unique( array_values( $starter_content_auto_draft_post_ids ) ) ); 1443 $this->pending_starter_content_settings_ids[] = $setting_id; 1444 } 1445 1446 // Nav menus. 1447 $placeholder_id = -1; 1448 $reused_nav_menu_setting_ids = array(); 1449 foreach ( $nav_menus as $nav_menu_location => $nav_menu ) { 1450 1451 $nav_menu_term_id = null; 1452 $nav_menu_setting_id = null; 1453 $matches = array(); 1454 1455 // Look for an existing placeholder menu with starter content to re-use. 1456 foreach ( $changeset_data as $setting_id => $setting_params ) { 1457 $can_reuse = ( 1458 ! empty( $setting_params['starter_content'] ) 1459 && 1460 ! in_array( $setting_id, $reused_nav_menu_setting_ids, true ) 1461 && 1462 preg_match( '#^nav_menu\[(?P<nav_menu_id>-?\d+)\]$#', $setting_id, $matches ) 1463 ); 1464 if ( $can_reuse ) { 1465 $nav_menu_term_id = intval( $matches['nav_menu_id'] ); 1466 $nav_menu_setting_id = $setting_id; 1467 $reused_nav_menu_setting_ids[] = $setting_id; 1468 break; 1469 } 1470 } 1471 1472 if ( ! $nav_menu_term_id ) { 1473 while ( isset( $changeset_data[ sprintf( 'nav_menu[%d]', $placeholder_id ) ] ) ) { 1474 $placeholder_id--; 1475 } 1476 $nav_menu_term_id = $placeholder_id; 1477 $nav_menu_setting_id = sprintf( 'nav_menu[%d]', $placeholder_id ); 1478 } 1479 1480 $this->set_post_value( 1481 $nav_menu_setting_id, 1482 array( 1483 'name' => isset( $nav_menu['name'] ) ? $nav_menu['name'] : $nav_menu_location, 1484 ) 1485 ); 1486 $this->pending_starter_content_settings_ids[] = $nav_menu_setting_id; 1487 1488 // @todo Add support for menu_item_parent. 1489 $position = 0; 1490 foreach ( $nav_menu['items'] as $nav_menu_item ) { 1491 $nav_menu_item_setting_id = sprintf( 'nav_menu_item[%d]', $placeholder_id-- ); 1492 if ( ! isset( $nav_menu_item['position'] ) ) { 1493 $nav_menu_item['position'] = $position++; 1494 } 1495 $nav_menu_item['nav_menu_term_id'] = $nav_menu_term_id; 1496 1497 if ( isset( $nav_menu_item['object_id'] ) ) { 1498 if ( 'post_type' === $nav_menu_item['type'] && preg_match( '/^{{(?P<symbol>.+)}}$/', $nav_menu_item['object_id'], $matches ) && isset( $posts[ $matches['symbol'] ] ) ) { 1499 $nav_menu_item['object_id'] = $posts[ $matches['symbol'] ]['ID']; 1500 if ( empty( $nav_menu_item['title'] ) ) { 1501 $original_object = get_post( $nav_menu_item['object_id'] ); 1502 $nav_menu_item['title'] = $original_object->post_title; 1503 } 1504 } else { 1505 continue; 1506 } 1507 } else { 1508 $nav_menu_item['object_id'] = 0; 1509 } 1510 1511 if ( empty( $changeset_data[ $nav_menu_item_setting_id ] ) || ! empty( $changeset_data[ $nav_menu_item_setting_id ]['starter_content'] ) ) { 1512 $this->set_post_value( $nav_menu_item_setting_id, $nav_menu_item ); 1513 $this->pending_starter_content_settings_ids[] = $nav_menu_item_setting_id; 1514 } 1515 } 1516 1517 $setting_id = sprintf( 'nav_menu_locations[%s]', $nav_menu_location ); 1518 if ( empty( $changeset_data[ $setting_id ] ) || ! empty( $changeset_data[ $setting_id ]['starter_content'] ) ) { 1519 $this->set_post_value( $setting_id, $nav_menu_term_id ); 1520 $this->pending_starter_content_settings_ids[] = $setting_id; 1521 } 1522 } 1523 1524 // Options. 1525 foreach ( $options as $name => $value ) { 1526 if ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) { 1527 if ( isset( $posts[ $matches['symbol'] ] ) ) { 1528 $value = $posts[ $matches['symbol'] ]['ID']; 1529 } elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1530 $value = $attachment_ids[ $matches['symbol'] ]; 1531 } else { 1532 continue; 1533 } 1534 } 1535 1536 if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) { 1537 $this->set_post_value( $name, $value ); 1538 $this->pending_starter_content_settings_ids[] = $name; 1539 } 1540 } 1541 1542 // Theme mods. 1543 foreach ( $theme_mods as $name => $value ) { 1544 if ( preg_match( '/^{{(?P<symbol>.+)}}$/', $value, $matches ) ) { 1545 if ( isset( $posts[ $matches['symbol'] ] ) ) { 1546 $value = $posts[ $matches['symbol'] ]['ID']; 1547 } elseif ( isset( $attachment_ids[ $matches['symbol'] ] ) ) { 1548 $value = $attachment_ids[ $matches['symbol'] ]; 1549 } else { 1550 continue; 1551 } 1552 } 1553 1554 // Handle header image as special case since setting has a legacy format. 1555 if ( 'header_image' === $name ) { 1556 $name = 'header_image_data'; 1557 $metadata = wp_get_attachment_metadata( $value ); 1558 if ( empty( $metadata ) ) { 1559 continue; 1560 } 1561 $value = array( 1562 'attachment_id' => $value, 1563 'url' => wp_get_attachment_url( $value ), 1564 'height' => $metadata['height'], 1565 'width' => $metadata['width'], 1566 ); 1567 } elseif ( 'background_image' === $name ) { 1568 $value = wp_get_attachment_url( $value ); 1569 } 1570 1571 if ( empty( $changeset_data[ $name ] ) || ! empty( $changeset_data[ $name ]['starter_content'] ) ) { 1572 $this->set_post_value( $name, $value ); 1573 $this->pending_starter_content_settings_ids[] = $name; 1574 } 1575 } 1576 1577 if ( ! empty( $this->pending_starter_content_settings_ids ) ) { 1578 if ( did_action( 'customize_register' ) ) { 1579 $this->_save_starter_content_changeset(); 1580 } else { 1581 add_action( 'customize_register', array( $this, '_save_starter_content_changeset' ), 1000 ); 1582 } 1583 } 1584 } 1585 1586 /** 1587 * Prepare starter content attachments. 1588 * 1589 * Ensure that the attachments are valid and that they have slugs and file name/path. 1590 * 1591 * @since 4.7.0 1592 * 1593 * @param array $attachments Attachments. 1594 * @return array Prepared attachments. 1595 */ 1596 protected function prepare_starter_content_attachments( $attachments ) { 1597 $prepared_attachments = array(); 1598 if ( empty( $attachments ) ) { 1599 return $prepared_attachments; 1600 } 1601 1602 // Such is The WordPress Way. 1603 require_once( ABSPATH . 'wp-admin/includes/file.php' ); 1604 require_once( ABSPATH . 'wp-admin/includes/media.php' ); 1605 require_once( ABSPATH . 'wp-admin/includes/image.php' ); 1606 1607 foreach ( $attachments as $symbol => $attachment ) { 1608 1609 // A file is required and URLs to files are not currently allowed. 1610 if ( empty( $attachment['file'] ) || preg_match( '#^https?://$#', $attachment['file'] ) ) { 1611 continue; 1612 } 1613 1614 $file_path = null; 1615 if ( file_exists( $attachment['file'] ) ) { 1616 $file_path = $attachment['file']; // Could be absolute path to file in plugin. 1617 } elseif ( is_child_theme() && file_exists( get_stylesheet_directory() . '/' . $attachment['file'] ) ) { 1618 $file_path = get_stylesheet_directory() . '/' . $attachment['file']; 1619 } elseif ( file_exists( get_template_directory() . '/' . $attachment['file'] ) ) { 1620 $file_path = get_template_directory() . '/' . $attachment['file']; 1621 } else { 1622 continue; 1623 } 1624 $file_name = wp_basename( $attachment['file'] ); 1625 1626 // Skip file types that are not recognized. 1627 $checked_filetype = wp_check_filetype( $file_name ); 1628 if ( empty( $checked_filetype['type'] ) ) { 1629 continue; 1630 } 1631 1632 // Ensure post_name is set since not automatically derived from post_title for new auto-draft posts. 1633 if ( empty( $attachment['post_name'] ) ) { 1634 if ( ! empty( $attachment['post_title'] ) ) { 1635 $attachment['post_name'] = sanitize_title( $attachment['post_title'] ); 1636 } else { 1637 $attachment['post_name'] = sanitize_title( preg_replace( '/\.\w+$/', '', $file_name ) ); 1638 } 1639 } 1640 1641 $attachment['file_name'] = $file_name; 1642 $attachment['file_path'] = $file_path; 1643 $prepared_attachments[ $symbol ] = $attachment; 1644 } 1645 return $prepared_attachments; 1646 } 1647 1648 /** 1649 * Save starter content changeset. 1650 * 1651 * @since 4.7.0 1652 */ 1653 public function _save_starter_content_changeset() { 1654 1655 if ( empty( $this->pending_starter_content_settings_ids ) ) { 1656 return; 1657 } 1658 1659 $this->save_changeset_post( 1660 array( 1661 'data' => array_fill_keys( $this->pending_starter_content_settings_ids, array( 'starter_content' => true ) ), 1662 'starter_content' => true, 1663 ) 1664 ); 1665 $this->saved_starter_content_changeset = true; 1666 1667 $this->pending_starter_content_settings_ids = array(); 1668 } 1669 1670 /** 1671 * Get dirty pre-sanitized setting values in the current customized state. 1672 * 1673 * The returned array consists of a merge of three sources: 1674 * 1. If the theme is not currently active, then the base array is any stashed 1675 * theme mods that were modified previously but never published. 1676 * 2. The values from the current changeset, if it exists. 1677 * 3. If the user can customize, the values parsed from the incoming 1678 * `$_POST['customized']` JSON data. 1679 * 4. Any programmatically-set post values via `WP_Customize_Manager::set_post_value()`. 1680 * 1681 * The name "unsanitized_post_values" is a carry-over from when the customized 1682 * state was exclusively sourced from `$_POST['customized']`. Nevertheless, 1683 * the value returned will come from the current changeset post and from the 1684 * incoming post data. 1685 * 1686 * @since 4.1.1 1687 * @since 4.7.0 Added `$args` parameter and merging with changeset values and stashed theme mods. 1688 * 1689 * @param array $args { 1690 * Args. 1691 * 1692 * @type bool $exclude_changeset Whether the changeset values should also be excluded. Defaults to false. 1693 * @type bool $exclude_post_data Whether the post input values should also be excluded. Defaults to false when lacking the customize capability. 1694 * } 1695 * @return array 1696 */ 1697 public function unsanitized_post_values( $args = array() ) { 1698 $args = array_merge( 1699 array( 1700 'exclude_changeset' => false, 1701 'exclude_post_data' => ! current_user_can( 'customize' ), 1702 ), 1703 $args 1704 ); 1705 1706 $values = array(); 1707 1708 // Let default values be from the stashed theme mods if doing a theme switch and if no changeset is present. 1709 if ( ! $this->is_theme_active() ) { 1710 $stashed_theme_mods = get_option( 'customize_stashed_theme_mods' ); 1711 $stylesheet = $this->get_stylesheet(); 1712 if ( isset( $stashed_theme_mods[ $stylesheet ] ) ) { 1713 $values = array_merge( $values, wp_list_pluck( $stashed_theme_mods[ $stylesheet ], 'value' ) ); 1714 } 1715 } 1716 1717 if ( ! $args['exclude_changeset'] ) { 1718 foreach ( $this->changeset_data() as $setting_id => $setting_params ) { 1719 if ( ! array_key_exists( 'value', $setting_params ) ) { 1720 continue; 1721 } 1722 if ( isset( $setting_params['type'] ) && 'theme_mod' === $setting_params['type'] ) { 1723 1724 // Ensure that theme mods values are only used if they were saved under the current theme. 1725 $namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/'; 1726 if ( preg_match( $namespace_pattern, $setting_id, $matches ) && $this->get_stylesheet() === $matches['stylesheet'] ) { 1727 $values[ $matches['setting_id'] ] = $setting_params['value']; 1728 } 1729 } else { 1730 $values[ $setting_id ] = $setting_params['value']; 1731 } 1732 } 1733 } 1734 1735 if ( ! $args['exclude_post_data'] ) { 1736 if ( ! isset( $this->_post_values ) ) { 1737 if ( isset( $_POST['customized'] ) ) { 1738 $post_values = json_decode( wp_unslash( $_POST['customized'] ), true ); 1739 } else { 1740 $post_values = array(); 1741 } 1742 if ( is_array( $post_values ) ) { 1743 $this->_post_values = $post_values; 1744 } else { 1745 $this->_post_values = array(); 1746 } 1747 } 1748 $values = array_merge( $values, $this->_post_values ); 1749 } 1750 return $values; 1751 } 1752 1753 /** 1754 * Returns the sanitized value for a given setting from the current customized state. 1755 * 1756 * The name "post_value" is a carry-over from when the customized state was exclusively 1757 * sourced from `$_POST['customized']`. Nevertheless, the value returned will come 1758 * from the current changeset post and from the incoming post data. 1759 * 1760 * @since 3.4.0 1761 * @since 4.1.1 Introduced the `$default` parameter. 1762 * @since 4.6.0 `$default` is now returned early when the setting post value is invalid. 1763 * 1764 * @see WP_REST_Server::dispatch() 1765 * @see WP_REST_Request::sanitize_params() 1766 * @see WP_REST_Request::has_valid_params() 1767 * 1768 * @param WP_Customize_Setting $setting A WP_Customize_Setting derived object. 1769 * @param mixed $default Value returned $setting has no post value (added in 4.2.0) 1770 * or the post value is invalid (added in 4.6.0). 1771 * @return string|mixed $post_value Sanitized value or the $default provided. 1772 */ 1773 public function post_value( $setting, $default = null ) { 1774 $post_values = $this->unsanitized_post_values(); 1775 if ( ! array_key_exists( $setting->id, $post_values ) ) { 1776 return $default; 1777 } 1778 $value = $post_values[ $setting->id ]; 1779 $valid = $setting->validate( $value ); 1780 if ( is_wp_error( $valid ) ) { 1781 return $default; 1782 } 1783 $value = $setting->sanitize( $value ); 1784 if ( is_null( $value ) || is_wp_error( $value ) ) { 1785 return $default; 1786 } 1787 return $value; 1788 } 1789 1790 /** 1791 * Override a setting's value in the current customized state. 1792 * 1793 * The name "post_value" is a carry-over from when the customized state was 1794 * exclusively sourced from `$_POST['customized']`. 1795 * 1796 * @since 4.2.0 1797 * 1798 * @param string $setting_id ID for the WP_Customize_Setting instance. 1799 * @param mixed $value Post value. 1800 */ 1801 public function set_post_value( $setting_id, $value ) { 1802 $this->unsanitized_post_values(); // Populate _post_values from $_POST['customized']. 1803 $this->_post_values[ $setting_id ] = $value; 1804 1805 /** 1806 * Announce when a specific setting's unsanitized post value has been set. 1807 * 1808 * Fires when the WP_Customize_Manager::set_post_value() method is called. 1809 * 1810 * The dynamic portion of the hook name, `$setting_id`, refers to the setting ID. 1811 * 1812 * @since 4.4.0 1813 * 1814 * @param mixed $value Unsanitized setting post value. 1815 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 1816 */ 1817 do_action( "customize_post_value_set_{$setting_id}", $value, $this ); 1818 1819 /** 1820 * Announce when any setting's unsanitized post value has been set. 1821 * 1822 * Fires when the WP_Customize_Manager::set_post_value() method is called. 1823 * 1824 * This is useful for `WP_Customize_Setting` instances to watch 1825 * in order to update a cached previewed value. 1826 * 1827 * @since 4.4.0 1828 * 1829 * @param string $setting_id Setting ID. 1830 * @param mixed $value Unsanitized setting post value. 1831 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 1832 */ 1833 do_action( 'customize_post_value_set', $setting_id, $value, $this ); 1834 } 1835 1836 /** 1837 * Print JavaScript settings. 1838 * 1839 * @since 3.4.0 1840 */ 1841 public function customize_preview_init() { 1842 1843 /* 1844 * Now that Customizer previews are loaded into iframes via GET requests 1845 * and natural URLs with transaction UUIDs added, we need to ensure that 1846 * the responses are never cached by proxies. In practice, this will not 1847 * be needed if the user is logged-in anyway. But if anonymous access is 1848 * allowed then the auth cookies would not be sent and WordPress would 1849 * not send no-cache headers by default. 1850 */ 1851 if ( ! headers_sent() ) { 1852 nocache_headers(); 1853 header( 'X-Robots: noindex, nofollow, noarchive' ); 1854 } 1855 add_action( 'wp_head', 'wp_no_robots' ); 1856 add_filter( 'wp_headers', array( $this, 'filter_iframe_security_headers' ) ); 1857 1858 /* 1859 * If preview is being served inside the customizer preview iframe, and 1860 * if the user doesn't have customize capability, then it is assumed 1861 * that the user's session has expired and they need to re-authenticate. 1862 */ 1863 if ( $this->messenger_channel && ! current_user_can( 'customize' ) ) { 1864 $this->wp_die( -1, __( 'Unauthorized. You may remove the customize_messenger_channel param to preview as frontend.' ) ); 1865 return; 1866 } 1867 1868 $this->prepare_controls(); 1869 1870 add_filter( 'wp_redirect', array( $this, 'add_state_query_params' ) ); 1871 1872 wp_enqueue_script( 'customize-preview' ); 1873 wp_enqueue_style( 'customize-preview' ); 1874 add_action( 'wp_head', array( $this, 'customize_preview_loading_style' ) ); 1875 add_action( 'wp_head', array( $this, 'remove_frameless_preview_messenger_channel' ) ); 1876 add_action( 'wp_footer', array( $this, 'customize_preview_settings' ), 20 ); 1877 add_filter( 'get_edit_post_link', '__return_empty_string' ); 1878 1879 /** 1880 * Fires once the Customizer preview has initialized and JavaScript 1881 * settings have been printed. 1882 * 1883 * @since 3.4.0 1884 * 1885 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 1886 */ 1887 do_action( 'customize_preview_init', $this ); 1888 } 1889 1890 /** 1891 * Filter the X-Frame-Options and Content-Security-Policy headers to ensure frontend can load in customizer. 1892 * 1893 * @since 4.7.0 1894 * 1895 * @param array $headers Headers. 1896 * @return array Headers. 1897 */ 1898 public function filter_iframe_security_headers( $headers ) { 1899 $headers['X-Frame-Options'] = 'SAMEORIGIN'; 1900 $headers['Content-Security-Policy'] = "frame-ancestors 'self'"; 1901 return $headers; 1902 } 1903 1904 /** 1905 * Add customize state query params to a given URL if preview is allowed. 1906 * 1907 * @since 4.7.0 1908 * @see wp_redirect() 1909 * @see WP_Customize_Manager::get_allowed_url() 1910 * 1911 * @param string $url URL. 1912 * @return string URL. 1913 */ 1914 public function add_state_query_params( $url ) { 1915 $parsed_original_url = wp_parse_url( $url ); 1916 $is_allowed = false; 1917 foreach ( $this->get_allowed_urls() as $allowed_url ) { 1918 $parsed_allowed_url = wp_parse_url( $allowed_url ); 1919 $is_allowed = ( 1920 $parsed_allowed_url['scheme'] === $parsed_original_url['scheme'] 1921 && 1922 $parsed_allowed_url['host'] === $parsed_original_url['host'] 1923 && 1924 0 === strpos( $parsed_original_url['path'], $parsed_allowed_url['path'] ) 1925 ); 1926 if ( $is_allowed ) { 1927 break; 1928 } 1929 } 1930 1931 if ( $is_allowed ) { 1932 $query_params = array( 1933 'customize_changeset_uuid' => $this->changeset_uuid(), 1934 ); 1935 if ( ! $this->is_theme_active() ) { 1936 $query_params['customize_theme'] = $this->get_stylesheet(); 1937 } 1938 if ( $this->messenger_channel ) { 1939 $query_params['customize_messenger_channel'] = $this->messenger_channel; 1940 } 1941 $url = add_query_arg( $query_params, $url ); 1942 } 1943 1944 return $url; 1945 } 1946 1947 /** 1948 * Prevent sending a 404 status when returning the response for the customize 1949 * preview, since it causes the jQuery Ajax to fail. Send 200 instead. 1950 * 1951 * @since 4.0.0 1952 * @deprecated 4.7.0 1953 */ 1954 public function customize_preview_override_404_status() { 1955 _deprecated_function( __METHOD__, '4.7.0' ); 1956 } 1957 1958 /** 1959 * Print base element for preview frame. 1960 * 1961 * @since 3.4.0 1962 * @deprecated 4.7.0 1963 */ 1964 public function customize_preview_base() { 1965 _deprecated_function( __METHOD__, '4.7.0' ); 1966 } 1967 1968 /** 1969 * Print a workaround to handle HTML5 tags in IE < 9. 1970 * 1971 * @since 3.4.0 1972 * @deprecated 4.7.0 Customizer no longer supports IE8, so all supported browsers recognize HTML5. 1973 */ 1974 public function customize_preview_html5() { 1975 _deprecated_function( __FUNCTION__, '4.7.0' ); 1976 } 1977 1978 /** 1979 * Print CSS for loading indicators for the Customizer preview. 1980 * 1981 * @since 4.2.0 1982 */ 1983 public function customize_preview_loading_style() { 1984 ?> 1985 <style> 1986 body.wp-customizer-unloading { 1987 opacity: 0.25; 1988 cursor: progress !important; 1989 -webkit-transition: opacity 0.5s; 1990 transition: opacity 0.5s; 1991 } 1992 body.wp-customizer-unloading * { 1993 pointer-events: none !important; 1994 } 1995 form.customize-unpreviewable, 1996 form.customize-unpreviewable input, 1997 form.customize-unpreviewable select, 1998 form.customize-unpreviewable button, 1999 a.customize-unpreviewable, 2000 area.customize-unpreviewable { 2001 cursor: not-allowed !important; 2002 } 2003 </style> 2004 <?php 2005 } 2006 2007 /** 2008 * Remove customize_messenger_channel query parameter from the preview window when it is not in an iframe. 2009 * 2010 * This ensures that the admin bar will be shown. It also ensures that link navigation will 2011 * work as expected since the parent frame is not being sent the URL to navigate to. 2012 * 2013 * @since 4.7.0 2014 */ 2015 public function remove_frameless_preview_messenger_channel() { 2016 if ( ! $this->messenger_channel ) { 2017 return; 2018 } 2019 ?> 2020 <script> 2021 ( function() { 2022 var urlParser, oldQueryParams, newQueryParams, i; 2023 if ( parent !== window ) { 2024 return; 2025 } 2026 urlParser = document.createElement( 'a' ); 2027 urlParser.href = location.href; 2028 oldQueryParams = urlParser.search.substr( 1 ).split( /&/ ); 2029 newQueryParams = []; 2030 for ( i = 0; i < oldQueryParams.length; i += 1 ) { 2031 if ( ! /^customize_messenger_channel=/.test( oldQueryParams[ i ] ) ) { 2032 newQueryParams.push( oldQueryParams[ i ] ); 2033 } 2034 } 2035 urlParser.search = newQueryParams.join( '&' ); 2036 if ( urlParser.search !== location.search ) { 2037 location.replace( urlParser.href ); 2038 } 2039 } )(); 2040 </script> 2041 <?php 2042 } 2043 2044 /** 2045 * Print JavaScript settings for preview frame. 2046 * 2047 * @since 3.4.0 2048 */ 2049 public function customize_preview_settings() { 2050 $post_values = $this->unsanitized_post_values( array( 'exclude_changeset' => true ) ); 2051 $setting_validities = $this->validate_setting_values( $post_values ); 2052 $exported_setting_validities = array_map( array( $this, 'prepare_setting_validity_for_js' ), $setting_validities ); 2053 2054 // Note that the REQUEST_URI is not passed into home_url() since this breaks subdirectory installations. 2055 $self_url = empty( $_SERVER['REQUEST_URI'] ) ? home_url( '/' ) : esc_url_raw( wp_unslash( $_SERVER['REQUEST_URI'] ) ); 2056 $state_query_params = array( 2057 'customize_theme', 2058 'customize_changeset_uuid', 2059 'customize_messenger_channel', 2060 ); 2061 $self_url = remove_query_arg( $state_query_params, $self_url ); 2062 2063 $allowed_urls = $this->get_allowed_urls(); 2064 $allowed_hosts = array(); 2065 foreach ( $allowed_urls as $allowed_url ) { 2066 $parsed = wp_parse_url( $allowed_url ); 2067 if ( empty( $parsed['host'] ) ) { 2068 continue; 2069 } 2070 $host = $parsed['host']; 2071 if ( ! empty( $parsed['port'] ) ) { 2072 $host .= ':' . $parsed['port']; 2073 } 2074 $allowed_hosts[] = $host; 2075 } 2076 2077 $switched_locale = switch_to_locale( get_user_locale() ); 2078 $l10n = array( 2079 'shiftClickToEdit' => __( 'Shift-click to edit this element.' ), 2080 'linkUnpreviewable' => __( 'This link is not live-previewable.' ), 2081 'formUnpreviewable' => __( 'This form is not live-previewable.' ), 2082 ); 2083 if ( $switched_locale ) { 2084 restore_previous_locale(); 2085 } 2086 2087 $settings = array( 2088 'changeset' => array( 2089 'uuid' => $this->changeset_uuid(), 2090 'autosaved' => $this->autosaved(), 2091 ), 2092 'timeouts' => array( 2093 'selectiveRefresh' => 250, 2094 'keepAliveSend' => 1000, 2095 ), 2096 'theme' => array( 2097 'stylesheet' => $this->get_stylesheet(), 2098 'active' => $this->is_theme_active(), 2099 ), 2100 'url' => array( 2101 'self' => $self_url, 2102 'allowed' => array_map( 'esc_url_raw', $this->get_allowed_urls() ), 2103 'allowedHosts' => array_unique( $allowed_hosts ), 2104 'isCrossDomain' => $this->is_cross_domain(), 2105 ), 2106 'channel' => $this->messenger_channel, 2107 'activePanels' => array(), 2108 'activeSections' => array(), 2109 'activeControls' => array(), 2110 'settingValidities' => $exported_setting_validities, 2111 'nonce' => current_user_can( 'customize' ) ? $this->get_nonces() : array(), 2112 'l10n' => $l10n, 2113 '_dirty' => array_keys( $post_values ), 2114 ); 2115 2116 foreach ( $this->panels as $panel_id => $panel ) { 2117 if ( $panel->check_capabilities() ) { 2118 $settings['activePanels'][ $panel_id ] = $panel->active(); 2119 foreach ( $panel->sections as $section_id => $section ) { 2120 if ( $section->check_capabilities() ) { 2121 $settings['activeSections'][ $section_id ] = $section->active(); 2122 } 2123 } 2124 } 2125 } 2126 foreach ( $this->sections as $id => $section ) { 2127 if ( $section->check_capabilities() ) { 2128 $settings['activeSections'][ $id ] = $section->active(); 2129 } 2130 } 2131 foreach ( $this->controls as $id => $control ) { 2132 if ( $control->check_capabilities() ) { 2133 $settings['activeControls'][ $id ] = $control->active(); 2134 } 2135 } 2136 2137 ?> 2138 <script type="text/javascript"> 2139 var _wpCustomizeSettings = <?php echo wp_json_encode( $settings ); ?>; 2140 _wpCustomizeSettings.values = {}; 2141 (function( v ) { 2142 <?php 2143 /* 2144 * Serialize settings separately from the initial _wpCustomizeSettings 2145 * serialization in order to avoid a peak memory usage spike. 2146 * @todo We may not even need to export the values at all since the pane syncs them anyway. 2147 */ 2148 foreach ( $this->settings as $id => $setting ) { 2149 if ( $setting->check_capabilities() ) { 2150 printf( 2151 "v[%s] = %s;\n", 2152 wp_json_encode( $id ), 2153 wp_json_encode( $setting->js_value() ) 2154 ); 2155 } 2156 } 2157 ?> 2158 })( _wpCustomizeSettings.values ); 2159 </script> 2160 <?php 2161 } 2162 2163 /** 2164 * Prints a signature so we can ensure the Customizer was properly executed. 2165 * 2166 * @since 3.4.0 2167 * @deprecated 4.7.0 2168 */ 2169 public function customize_preview_signature() { 2170 _deprecated_function( __METHOD__, '4.7.0' ); 2171 } 2172 2173 /** 2174 * Removes the signature in case we experience a case where the Customizer was not properly executed. 2175 * 2176 * @since 3.4.0 2177 * @deprecated 4.7.0 2178 * 2179 * @param mixed $return Value passed through for {@see 'wp_die_handler'} filter. 2180 * @return mixed Value passed through for {@see 'wp_die_handler'} filter. 2181 */ 2182 public function remove_preview_signature( $return = null ) { 2183 _deprecated_function( __METHOD__, '4.7.0' ); 2184 2185 return $return; 2186 } 2187 2188 /** 2189 * Is it a theme preview? 2190 * 2191 * @since 3.4.0 2192 * 2193 * @return bool True if it's a preview, false if not. 2194 */ 2195 public function is_preview() { 2196 return (bool) $this->previewing; 2197 } 2198 2199 /** 2200 * Retrieve the template name of the previewed theme. 2201 * 2202 * @since 3.4.0 2203 * 2204 * @return string Template name. 2205 */ 2206 public function get_template() { 2207 return $this->theme()->get_template(); 2208 } 2209 2210 /** 2211 * Retrieve the stylesheet name of the previewed theme. 2212 * 2213 * @since 3.4.0 2214 * 2215 * @return string Stylesheet name. 2216 */ 2217 public function get_stylesheet() { 2218 return $this->theme()->get_stylesheet(); 2219 } 2220 2221 /** 2222 * Retrieve the template root of the previewed theme. 2223 * 2224 * @since 3.4.0 2225 * 2226 * @return string Theme root. 2227 */ 2228 public function get_template_root() { 2229 return get_raw_theme_root( $this->get_template(), true ); 2230 } 2231 2232 /** 2233 * Retrieve the stylesheet root of the previewed theme. 2234 * 2235 * @since 3.4.0 2236 * 2237 * @return string Theme root. 2238 */ 2239 public function get_stylesheet_root() { 2240 return get_raw_theme_root( $this->get_stylesheet(), true ); 2241 } 2242 2243 /** 2244 * Filters the current theme and return the name of the previewed theme. 2245 * 2246 * @since 3.4.0 2247 * 2248 * @param $current_theme {@internal Parameter is not used} 2249 * @return string Theme name. 2250 */ 2251 public function current_theme( $current_theme ) { 2252 return $this->theme()->display( 'Name' ); 2253 } 2254 2255 /** 2256 * Validates setting values. 2257 * 2258 * Validation is skipped for unregistered settings or for values that are 2259 * already null since they will be skipped anyway. Sanitization is applied 2260 * to values that pass validation, and values that become null or `WP_Error` 2261 * after sanitizing are marked invalid. 2262 * 2263 * @since 4.6.0 2264 * 2265 * @see WP_REST_Request::has_valid_params() 2266 * @see WP_Customize_Setting::validate() 2267 * 2268 * @param array $setting_values Mapping of setting IDs to values to validate and sanitize. 2269 * @param array $options { 2270 * Options. 2271 * 2272 * @type bool $validate_existence Whether a setting's existence will be checked. 2273 * @type bool $validate_capability Whether the setting capability will be checked. 2274 * } 2275 * @return array Mapping of setting IDs to return value of validate method calls, either `true` or `WP_Error`. 2276 */ 2277 public function validate_setting_values( $setting_values, $options = array() ) { 2278 $options = wp_parse_args( 2279 $options, 2280 array( 2281 'validate_capability' => false, 2282 'validate_existence' => false, 2283 ) 2284 ); 2285 2286 $validities = array(); 2287 foreach ( $setting_values as $setting_id => $unsanitized_value ) { 2288 $setting = $this->get_setting( $setting_id ); 2289 if ( ! $setting ) { 2290 if ( $options['validate_existence'] ) { 2291 $validities[ $setting_id ] = new WP_Error( 'unrecognized', __( 'Setting does not exist or is unrecognized.' ) ); 2292 } 2293 continue; 2294 } 2295 if ( $options['validate_capability'] && ! current_user_can( $setting->capability ) ) { 2296 $validity = new WP_Error( 'unauthorized', __( 'Unauthorized to modify setting due to capability.' ) ); 2297 } else { 2298 if ( is_null( $unsanitized_value ) ) { 2299 continue; 2300 } 2301 $validity = $setting->validate( $unsanitized_value ); 2302 } 2303 if ( ! is_wp_error( $validity ) ) { 2304 /** This filter is documented in wp-includes/class-wp-customize-setting.php */ 2305 $late_validity = apply_filters( "customize_validate_{$setting->id}", new WP_Error(), $unsanitized_value, $setting ); 2306 if ( is_wp_error( $late_validity ) && $late_validity->has_errors() ) { 2307 $validity = $late_validity; 2308 } 2309 } 2310 if ( ! is_wp_error( $validity ) ) { 2311 $value = $setting->sanitize( $unsanitized_value ); 2312 if ( is_null( $value ) ) { 2313 $validity = false; 2314 } elseif ( is_wp_error( $value ) ) { 2315 $validity = $value; 2316 } 2317 } 2318 if ( false === $validity ) { 2319 $validity = new WP_Error( 'invalid_value', __( 'Invalid value.' ) ); 2320 } 2321 $validities[ $setting_id ] = $validity; 2322 } 2323 return $validities; 2324 } 2325 2326 /** 2327 * Prepares setting validity for exporting to the client (JS). 2328 * 2329 * Converts `WP_Error` instance into array suitable for passing into the 2330 * `wp.customize.Notification` JS model. 2331 * 2332 * @since 4.6.0 2333 * 2334 * @param true|WP_Error $validity Setting validity. 2335 * @return true|array If `$validity` was a WP_Error, the error codes will be array-mapped 2336 * to their respective `message` and `data` to pass into the 2337 * `wp.customize.Notification` JS model. 2338 */ 2339 public function prepare_setting_validity_for_js( $validity ) { 2340 if ( is_wp_error( $validity ) ) { 2341 $notification = array(); 2342 foreach ( $validity->errors as $error_code => $error_messages ) { 2343 $notification[ $error_code ] = array( 2344 'message' => join( ' ', $error_messages ), 2345 'data' => $validity->get_error_data( $error_code ), 2346 ); 2347 } 2348 return $notification; 2349 } else { 2350 return true; 2351 } 2352 } 2353 2354 /** 2355 * Handle customize_save WP Ajax request to save/update a changeset. 2356 * 2357 * @since 3.4.0 2358 * @since 4.7.0 The semantics of this method have changed to update a changeset, optionally to also change the status and other attributes. 2359 */ 2360 public function save() { 2361 if ( ! is_user_logged_in() ) { 2362 wp_send_json_error( 'unauthenticated' ); 2363 } 2364 2365 if ( ! $this->is_preview() ) { 2366 wp_send_json_error( 'not_preview' ); 2367 } 2368 2369 $action = 'save-customize_' . $this->get_stylesheet(); 2370 if ( ! check_ajax_referer( $action, 'nonce', false ) ) { 2371 wp_send_json_error( 'invalid_nonce' ); 2372 } 2373 2374 $changeset_post_id = $this->changeset_post_id(); 2375 $is_new_changeset = empty( $changeset_post_id ); 2376 if ( $is_new_changeset ) { 2377 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->create_posts ) ) { 2378 wp_send_json_error( 'cannot_create_changeset_post' ); 2379 } 2380 } else { 2381 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) { 2382 wp_send_json_error( 'cannot_edit_changeset_post' ); 2383 } 2384 } 2385 2386 if ( ! empty( $_POST['customize_changeset_data'] ) ) { 2387 $input_changeset_data = json_decode( wp_unslash( $_POST['customize_changeset_data'] ), true ); 2388 if ( ! is_array( $input_changeset_data ) ) { 2389 wp_send_json_error( 'invalid_customize_changeset_data' ); 2390 } 2391 } else { 2392 $input_changeset_data = array(); 2393 } 2394 2395 // Validate title. 2396 $changeset_title = null; 2397 if ( isset( $_POST['customize_changeset_title'] ) ) { 2398 $changeset_title = sanitize_text_field( wp_unslash( $_POST['customize_changeset_title'] ) ); 2399 } 2400 2401 // Validate changeset status param. 2402 $is_publish = null; 2403 $changeset_status = null; 2404 if ( isset( $_POST['customize_changeset_status'] ) ) { 2405 $changeset_status = wp_unslash( $_POST['customize_changeset_status'] ); 2406 if ( ! get_post_status_object( $changeset_status ) || ! in_array( $changeset_status, array( 'draft', 'pending', 'publish', 'future' ), true ) ) { 2407 wp_send_json_error( 'bad_customize_changeset_status', 400 ); 2408 } 2409 $is_publish = ( 'publish' === $changeset_status || 'future' === $changeset_status ); 2410 if ( $is_publish && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->publish_posts ) ) { 2411 wp_send_json_error( 'changeset_publish_unauthorized', 403 ); 2412 } 2413 } 2414 2415 /* 2416 * Validate changeset date param. Date is assumed to be in local time for 2417 * the WP if in MySQL format (YYYY-MM-DD HH:MM:SS). Otherwise, the date 2418 * is parsed with strtotime() so that ISO date format may be supplied 2419 * or a string like "+10 minutes". 2420 */ 2421 $changeset_date_gmt = null; 2422 if ( isset( $_POST['customize_changeset_date'] ) ) { 2423 $changeset_date = wp_unslash( $_POST['customize_changeset_date'] ); 2424 if ( preg_match( '/^\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d$/', $changeset_date ) ) { 2425 $mm = substr( $changeset_date, 5, 2 ); 2426 $jj = substr( $changeset_date, 8, 2 ); 2427 $aa = substr( $changeset_date, 0, 4 ); 2428 $valid_date = wp_checkdate( $mm, $jj, $aa, $changeset_date ); 2429 if ( ! $valid_date ) { 2430 wp_send_json_error( 'bad_customize_changeset_date', 400 ); 2431 } 2432 $changeset_date_gmt = get_gmt_from_date( $changeset_date ); 2433 } else { 2434 $timestamp = strtotime( $changeset_date ); 2435 if ( ! $timestamp ) { 2436 wp_send_json_error( 'bad_customize_changeset_date', 400 ); 2437 } 2438 $changeset_date_gmt = gmdate( 'Y-m-d H:i:s', $timestamp ); 2439 } 2440 } 2441 2442 $lock_user_id = null; 2443 $autosave = ! empty( $_POST['customize_changeset_autosave'] ); 2444 if ( ! $is_new_changeset ) { 2445 $lock_user_id = wp_check_post_lock( $this->changeset_post_id() ); 2446 } 2447 2448 // Force request to autosave when changeset is locked. 2449 if ( $lock_user_id && ! $autosave ) { 2450 $autosave = true; 2451 $changeset_status = null; 2452 $changeset_date_gmt = null; 2453 } 2454 2455 if ( $autosave && ! defined( 'DOING_AUTOSAVE' ) ) { // Back-compat. 2456 define( 'DOING_AUTOSAVE', true ); 2457 } 2458 2459 $autosaved = false; 2460 $r = $this->save_changeset_post( 2461 array( 2462 'status' => $changeset_status, 2463 'title' => $changeset_title, 2464 'date_gmt' => $changeset_date_gmt, 2465 'data' => $input_changeset_data, 2466 'autosave' => $autosave, 2467 ) 2468 ); 2469 if ( $autosave && ! is_wp_error( $r ) ) { 2470 $autosaved = true; 2471 } 2472 2473 // If the changeset was locked and an autosave request wasn't itself an error, then now explicitly return with a failure. 2474 if ( $lock_user_id && ! is_wp_error( $r ) ) { 2475 $r = new WP_Error( 2476 'changeset_locked', 2477 __( 'Changeset is being edited by other user.' ), 2478 array( 2479 'lock_user' => $this->get_lock_user_data( $lock_user_id ), 2480 ) 2481 ); 2482 } 2483 2484 if ( is_wp_error( $r ) ) { 2485 $response = array( 2486 'message' => $r->get_error_message(), 2487 'code' => $r->get_error_code(), 2488 ); 2489 if ( is_array( $r->get_error_data() ) ) { 2490 $response = array_merge( $response, $r->get_error_data() ); 2491 } else { 2492 $response['data'] = $r->get_error_data(); 2493 } 2494 } else { 2495 $response = $r; 2496 $changeset_post = get_post( $this->changeset_post_id() ); 2497 2498 // Dismiss all other auto-draft changeset posts for this user (they serve like autosave revisions), as there should only be one. 2499 if ( $is_new_changeset ) { 2500 $this->dismiss_user_auto_draft_changesets(); 2501 } 2502 2503 // Note that if the changeset status was publish, then it will get set to trash if revisions are not supported. 2504 $response['changeset_status'] = $changeset_post->post_status; 2505 if ( $is_publish && 'trash' === $response['changeset_status'] ) { 2506 $response['changeset_status'] = 'publish'; 2507 } 2508 2509 if ( 'publish' !== $response['changeset_status'] ) { 2510 $this->set_changeset_lock( $changeset_post->ID ); 2511 } 2512 2513 if ( 'future' === $response['changeset_status'] ) { 2514 $response['changeset_date'] = $changeset_post->post_date; 2515 } 2516 2517 if ( 'publish' === $response['changeset_status'] || 'trash' === $response['changeset_status'] ) { 2518 $response['next_changeset_uuid'] = wp_generate_uuid4(); 2519 } 2520 } 2521 2522 if ( $autosave ) { 2523 $response['autosaved'] = $autosaved; 2524 } 2525 2526 if ( isset( $response['setting_validities'] ) ) { 2527 $response['setting_validities'] = array_map( array( $this, 'prepare_setting_validity_for_js' ), $response['setting_validities'] ); 2528 } 2529 2530 /** 2531 * Filters response data for a successful customize_save Ajax request. 2532 * 2533 * This filter does not apply if there was a nonce or authentication failure. 2534 * 2535 * @since 4.2.0 2536 * 2537 * @param array $response Additional information passed back to the 'saved' 2538 * event on `wp.customize`. 2539 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 2540 */ 2541 $response = apply_filters( 'customize_save_response', $response, $this ); 2542 2543 if ( is_wp_error( $r ) ) { 2544 wp_send_json_error( $response ); 2545 } else { 2546 wp_send_json_success( $response ); 2547 } 2548 } 2549 2550 /** 2551 * Save the post for the loaded changeset. 2552 * 2553 * @since 4.7.0 2554 * 2555 * @param array $args { 2556 * Args for changeset post. 2557 * 2558 * @type array $data Optional additional changeset data. Values will be merged on top of any existing post values. 2559 * @type string $status Post status. Optional. If supplied, the save will be transactional and a post revision will be allowed. 2560 * @type string $title Post title. Optional. 2561 * @type string $date_gmt Date in GMT. Optional. 2562 * @type int $user_id ID for user who is saving the changeset. Optional, defaults to the current user ID. 2563 * @type bool $starter_content Whether the data is starter content. If false (default), then $starter_content will be cleared for any $data being saved. 2564 * @type bool $autosave Whether this is a request to create an autosave revision. 2565 * } 2566 * 2567 * @return array|WP_Error Returns array on success and WP_Error with array data on error. 2568 */ 2569 function save_changeset_post( $args = array() ) { 2570 2571 $args = array_merge( 2572 array( 2573 'status' => null, 2574 'title' => null, 2575 'data' => array(), 2576 'date_gmt' => null, 2577 'user_id' => get_current_user_id(), 2578 'starter_content' => false, 2579 'autosave' => false, 2580 ), 2581 $args 2582 ); 2583 2584 $changeset_post_id = $this->changeset_post_id(); 2585 $existing_changeset_data = array(); 2586 if ( $changeset_post_id ) { 2587 $existing_status = get_post_status( $changeset_post_id ); 2588 if ( 'publish' === $existing_status || 'trash' === $existing_status ) { 2589 return new WP_Error( 2590 'changeset_already_published', 2591 __( 'The previous set of changes has already been published. Please try saving your current set of changes again.' ), 2592 array( 2593 'next_changeset_uuid' => wp_generate_uuid4(), 2594 ) 2595 ); 2596 } 2597 2598 $existing_changeset_data = $this->get_changeset_post_data( $changeset_post_id ); 2599 if ( is_wp_error( $existing_changeset_data ) ) { 2600 return $existing_changeset_data; 2601 } 2602 } 2603 2604 // Fail if attempting to publish but publish hook is missing. 2605 if ( 'publish' === $args['status'] && false === has_action( 'transition_post_status', '_wp_customize_publish_changeset' ) ) { 2606 return new WP_Error( 'missing_publish_callback' ); 2607 } 2608 2609 // Validate date. 2610 $now = gmdate( 'Y-m-d H:i:59' ); 2611 if ( $args['date_gmt'] ) { 2612 $is_future_dated = ( mysql2date( 'U', $args['date_gmt'], false ) > mysql2date( 'U', $now, false ) ); 2613 if ( ! $is_future_dated ) { 2614 return new WP_Error( 'not_future_date', __( 'You must supply a future date to schedule.' ) ); // Only future dates are allowed. 2615 } 2616 2617 if ( ! $this->is_theme_active() && ( 'future' === $args['status'] || $is_future_dated ) ) { 2618 return new WP_Error( 'cannot_schedule_theme_switches' ); // This should be allowed in the future, when theme is a regular setting. 2619 } 2620 $will_remain_auto_draft = ( ! $args['status'] && ( ! $changeset_post_id || 'auto-draft' === get_post_status( $changeset_post_id ) ) ); 2621 if ( $will_remain_auto_draft ) { 2622 return new WP_Error( 'cannot_supply_date_for_auto_draft_changeset' ); 2623 } 2624 } elseif ( $changeset_post_id && 'future' === $args['status'] ) { 2625 2626 // Fail if the new status is future but the existing post's date is not in the future. 2627 $changeset_post = get_post( $changeset_post_id ); 2628 if ( mysql2date( 'U', $changeset_post->post_date_gmt, false ) <= mysql2date( 'U', $now, false ) ) { 2629 return new WP_Error( 'not_future_date', __( 'You must supply a future date to schedule.' ) ); 2630 } 2631 } 2632 2633 if ( ! empty( $is_future_dated ) && 'publish' === $args['status'] ) { 2634 $args['status'] = 'future'; 2635 } 2636 2637 // Validate autosave param. See _wp_post_revision_fields() for why these fields are disallowed. 2638 if ( $args['autosave'] ) { 2639 if ( $args['date_gmt'] ) { 2640 return new WP_Error( 'illegal_autosave_with_date_gmt' ); 2641 } elseif ( $args['status'] ) { 2642 return new WP_Error( 'illegal_autosave_with_status' ); 2643 } elseif ( $args['user_id'] && get_current_user_id() !== $args['user_id'] ) { 2644 return new WP_Error( 'illegal_autosave_with_non_current_user' ); 2645 } 2646 } 2647 2648 // The request was made via wp.customize.previewer.save(). 2649 $update_transactionally = (bool) $args['status']; 2650 $allow_revision = (bool) $args['status']; 2651 2652 // Amend post values with any supplied data. 2653 foreach ( $args['data'] as $setting_id => $setting_params ) { 2654 if ( is_array( $setting_params ) && array_key_exists( 'value', $setting_params ) ) { 2655 $this->set_post_value( $setting_id, $setting_params['value'] ); // Add to post values so that they can be validated and sanitized. 2656 } 2657 } 2658 2659 // Note that in addition to post data, this will include any stashed theme mods. 2660 $post_values = $this->unsanitized_post_values( 2661 array( 2662 'exclude_changeset' => true, 2663 'exclude_post_data' => false, 2664 ) 2665 ); 2666 $this->add_dynamic_settings( array_keys( $post_values ) ); // Ensure settings get created even if they lack an input value. 2667 2668 /* 2669 * Get list of IDs for settings that have values different from what is currently 2670 * saved in the changeset. By skipping any values that are already the same, the 2671 * subset of changed settings can be passed into validate_setting_values to prevent 2672 * an underprivileged modifying a single setting for which they have the capability 2673 * from being blocked from saving. This also prevents a user from touching of the 2674 * previous saved settings and overriding the associated user_id if they made no change. 2675 */ 2676 $changed_setting_ids = array(); 2677 foreach ( $post_values as $setting_id => $setting_value ) { 2678 $setting = $this->get_setting( $setting_id ); 2679 2680 if ( $setting && 'theme_mod' === $setting->type ) { 2681 $prefixed_setting_id = $this->get_stylesheet() . '::' . $setting->id; 2682 } else { 2683 $prefixed_setting_id = $setting_id; 2684 } 2685 2686 $is_value_changed = ( 2687 ! isset( $existing_changeset_data[ $prefixed_setting_id ] ) 2688 || 2689 ! array_key_exists( 'value', $existing_changeset_data[ $prefixed_setting_id ] ) 2690 || 2691 $existing_changeset_data[ $prefixed_setting_id ]['value'] !== $setting_value 2692 ); 2693 if ( $is_value_changed ) { 2694 $changed_setting_ids[] = $setting_id; 2695 } 2696 } 2697 2698 /** 2699 * Fires before save validation happens. 2700 * 2701 * Plugins can add just-in-time {@see 'customize_validate_{$this->ID}'} filters 2702 * at this point to catch any settings registered after `customize_register`. 2703 * The dynamic portion of the hook name, `$this->ID` refers to the setting ID. 2704 * 2705 * @since 4.6.0 2706 * 2707 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 2708 */ 2709 do_action( 'customize_save_validation_before', $this ); 2710 2711 // Validate settings. 2712 $validated_values = array_merge( 2713 array_fill_keys( array_keys( $args['data'] ), null ), // Make sure existence/capability checks are done on value-less setting updates. 2714 $post_values 2715 ); 2716 $setting_validities = $this->validate_setting_values( 2717 $validated_values, 2718 array( 2719 'validate_capability' => true, 2720 'validate_existence' => true, 2721 ) 2722 ); 2723 $invalid_setting_count = count( array_filter( $setting_validities, 'is_wp_error' ) ); 2724 2725 /* 2726 * Short-circuit if there are invalid settings the update is transactional. 2727 * A changeset update is transactional when a status is supplied in the request. 2728 */ 2729 if ( $update_transactionally && $invalid_setting_count > 0 ) { 2730 $response = array( 2731 'setting_validities' => $setting_validities, 2732 /* translators: %s: number of invalid settings */ 2733 '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 ) ), 2734 ); 2735 return new WP_Error( 'transaction_fail', '', $response ); 2736 } 2737 2738 // Obtain/merge data for changeset. 2739 $original_changeset_data = $this->get_changeset_post_data( $changeset_post_id ); 2740 $data = $original_changeset_data; 2741 if ( is_wp_error( $data ) ) { 2742 $data = array(); 2743 } 2744 2745 // Ensure that all post values are included in the changeset data. 2746 foreach ( $post_values as $setting_id => $post_value ) { 2747 if ( ! isset( $args['data'][ $setting_id ] ) ) { 2748 $args['data'][ $setting_id ] = array(); 2749 } 2750 if ( ! isset( $args['data'][ $setting_id ]['value'] ) ) { 2751 $args['data'][ $setting_id ]['value'] = $post_value; 2752 } 2753 } 2754 2755 foreach ( $args['data'] as $setting_id => $setting_params ) { 2756 $setting = $this->get_setting( $setting_id ); 2757 if ( ! $setting || ! $setting->check_capabilities() ) { 2758 continue; 2759 } 2760 2761 // Skip updating changeset for invalid setting values. 2762 if ( isset( $setting_validities[ $setting_id ] ) && is_wp_error( $setting_validities[ $setting_id ] ) ) { 2763 continue; 2764 } 2765 2766 $changeset_setting_id = $setting_id; 2767 if ( 'theme_mod' === $setting->type ) { 2768 $changeset_setting_id = sprintf( '%s::%s', $this->get_stylesheet(), $setting_id ); 2769 } 2770 2771 if ( null === $setting_params ) { 2772 // Remove setting from changeset entirely. 2773 unset( $data[ $changeset_setting_id ] ); 2774 } else { 2775 2776 if ( ! isset( $data[ $changeset_setting_id ] ) ) { 2777 $data[ $changeset_setting_id ] = array(); 2778 } 2779 2780 // Merge any additional setting params that have been supplied with the existing params. 2781 $merged_setting_params = array_merge( $data[ $changeset_setting_id ], $setting_params ); 2782 2783 // Skip updating setting params if unchanged (ensuring the user_id is not overwritten). 2784 if ( $data[ $changeset_setting_id ] === $merged_setting_params ) { 2785 continue; 2786 } 2787 2788 $data[ $changeset_setting_id ] = array_merge( 2789 $merged_setting_params, 2790 array( 2791 'type' => $setting->type, 2792 'user_id' => $args['user_id'], 2793 'date_modified_gmt' => current_time( 'mysql', true ), 2794 ) 2795 ); 2796 2797 // Clear starter_content flag in data if changeset is not explicitly being updated for starter content. 2798 if ( empty( $args['starter_content'] ) ) { 2799 unset( $data[ $changeset_setting_id ]['starter_content'] ); 2800 } 2801 } 2802 } 2803 2804 $filter_context = array( 2805 'uuid' => $this->changeset_uuid(), 2806 'title' => $args['title'], 2807 'status' => $args['status'], 2808 'date_gmt' => $args['date_gmt'], 2809 'post_id' => $changeset_post_id, 2810 'previous_data' => is_wp_error( $original_changeset_data ) ? array() : $original_changeset_data, 2811 'manager' => $this, 2812 ); 2813 2814 /** 2815 * Filters the settings' data that will be persisted into the changeset. 2816 * 2817 * Plugins may amend additional data (such as additional meta for settings) into the changeset with this filter. 2818 * 2819 * @since 4.7.0 2820 * 2821 * @param array $data Updated changeset data, mapping setting IDs to arrays containing a $value item and optionally other metadata. 2822 * @param array $context { 2823 * Filter context. 2824 * 2825 * @type string $uuid Changeset UUID. 2826 * @type string $title Requested title for the changeset post. 2827 * @type string $status Requested status for the changeset post. 2828 * @type string $date_gmt Requested date for the changeset post in MySQL format and GMT timezone. 2829 * @type int|false $post_id Post ID for the changeset, or false if it doesn't exist yet. 2830 * @type array $previous_data Previous data contained in the changeset. 2831 * @type WP_Customize_Manager $manager Manager instance. 2832 * } 2833 */ 2834 $data = apply_filters( 'customize_changeset_save_data', $data, $filter_context ); 2835 2836 // Switch theme if publishing changes now. 2837 if ( 'publish' === $args['status'] && ! $this->is_theme_active() ) { 2838 // Temporarily stop previewing the theme to allow switch_themes() to operate properly. 2839 $this->stop_previewing_theme(); 2840 switch_theme( $this->get_stylesheet() ); 2841 update_option( 'theme_switched_via_customizer', true ); 2842 $this->start_previewing_theme(); 2843 } 2844 2845 // Gather the data for wp_insert_post()/wp_update_post(). 2846 $json_options = 0; 2847 if ( defined( 'JSON_UNESCAPED_SLASHES' ) ) { 2848 $json_options |= JSON_UNESCAPED_SLASHES; // Introduced in PHP 5.4. This is only to improve readability as slashes needn't be escaped in storage. 2849 } 2850 $json_options |= JSON_PRETTY_PRINT; // Also introduced in PHP 5.4, but WP defines constant for back compat. See WP Trac #30139. 2851 $post_array = array( 2852 'post_content' => wp_json_encode( $data, $json_options ), 2853 ); 2854 if ( $args['title'] ) { 2855 $post_array['post_title'] = $args['title']; 2856 } 2857 if ( $changeset_post_id ) { 2858 $post_array['ID'] = $changeset_post_id; 2859 } else { 2860 $post_array['post_type'] = 'customize_changeset'; 2861 $post_array['post_name'] = $this->changeset_uuid(); 2862 $post_array['post_status'] = 'auto-draft'; 2863 } 2864 if ( $args['status'] ) { 2865 $post_array['post_status'] = $args['status']; 2866 } 2867 2868 // Reset post date to now if we are publishing, otherwise pass post_date_gmt and translate for post_date. 2869 if ( 'publish' === $args['status'] ) { 2870 $post_array['post_date_gmt'] = '0000-00-00 00:00:00'; 2871 $post_array['post_date'] = '0000-00-00 00:00:00'; 2872 } elseif ( $args['date_gmt'] ) { 2873 $post_array['post_date_gmt'] = $args['date_gmt']; 2874 $post_array['post_date'] = get_date_from_gmt( $args['date_gmt'] ); 2875 } elseif ( $changeset_post_id && 'auto-draft' === get_post_status( $changeset_post_id ) ) { 2876 /* 2877 * Keep bumping the date for the auto-draft whenever it is modified; 2878 * this extends its life, preserving it from garbage-collection via 2879 * wp_delete_auto_drafts(). 2880 */ 2881 $post_array['post_date'] = current_time( 'mysql' ); 2882 $post_array['post_date_gmt'] = ''; 2883 } 2884 2885 $this->store_changeset_revision = $allow_revision; 2886 add_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ), 5, 3 ); 2887 2888 /* 2889 * Update the changeset post. The publish_customize_changeset action 2890 * will cause the settings in the changeset to be saved via 2891 * WP_Customize_Setting::save(). 2892 */ 2893 2894 // Prevent content filters from corrupting JSON in post_content. 2895 $has_kses = ( false !== has_filter( 'content_save_pre', 'wp_filter_post_kses' ) ); 2896 if ( $has_kses ) { 2897 kses_remove_filters(); 2898 } 2899 $has_targeted_link_rel_filters = ( false !== has_filter( 'content_save_pre', 'wp_targeted_link_rel' ) ); 2900 if ( $has_targeted_link_rel_filters ) { 2901 wp_remove_targeted_link_rel_filters(); 2902 } 2903 2904 // Note that updating a post with publish status will trigger WP_Customize_Manager::publish_changeset_values(). 2905 if ( $changeset_post_id ) { 2906 if ( $args['autosave'] && 'auto-draft' !== get_post_status( $changeset_post_id ) ) { 2907 // See _wp_translate_postdata() for why this is required as it will use the edit_post meta capability. 2908 add_filter( 'map_meta_cap', array( $this, 'grant_edit_post_capability_for_changeset' ), 10, 4 ); 2909 $post_array['post_ID'] = $post_array['ID']; 2910 $post_array['post_type'] = 'customize_changeset'; 2911 $r = wp_create_post_autosave( wp_slash( $post_array ) ); 2912 remove_filter( 'map_meta_cap', array( $this, 'grant_edit_post_capability_for_changeset' ), 10 ); 2913 } else { 2914 $post_array['edit_date'] = true; // Prevent date clearing. 2915 $r = wp_update_post( wp_slash( $post_array ), true ); 2916 2917 // Delete autosave revision for user when the changeset is updated. 2918 if ( ! empty( $args['user_id'] ) ) { 2919 $autosave_draft = wp_get_post_autosave( $changeset_post_id, $args['user_id'] ); 2920 if ( $autosave_draft ) { 2921 wp_delete_post( $autosave_draft->ID, true ); 2922 } 2923 } 2924 } 2925 } else { 2926 $r = wp_insert_post( wp_slash( $post_array ), true ); 2927 if ( ! is_wp_error( $r ) ) { 2928 $this->_changeset_post_id = $r; // Update cached post ID for the loaded changeset. 2929 } 2930 } 2931 2932 // Restore removed content filters. 2933 if ( $has_kses ) { 2934 kses_init_filters(); 2935 } 2936 if ( $has_targeted_link_rel_filters ) { 2937 wp_init_targeted_link_rel_filters(); 2938 } 2939 2940 $this->_changeset_data = null; // Reset so WP_Customize_Manager::changeset_data() will re-populate with updated contents. 2941 2942 remove_filter( 'wp_save_post_revision_post_has_changed', array( $this, '_filter_revision_post_has_changed' ) ); 2943 2944 $response = array( 2945 'setting_validities' => $setting_validities, 2946 ); 2947 2948 if ( is_wp_error( $r ) ) { 2949 $response['changeset_post_save_failure'] = $r->get_error_code(); 2950 return new WP_Error( 'changeset_post_save_failure', '', $response ); 2951 } 2952 2953 return $response; 2954 } 2955 2956 /** 2957 * Trash or delete a changeset post. 2958 * 2959 * The following re-formulates the logic from `wp_trash_post()` as done in 2960 * `wp_publish_post()`. The reason for bypassing `wp_trash_post()` is that it 2961 * will mutate the the `post_content` and the `post_name` when they should be 2962 * untouched. 2963 * 2964 * @since 4.9.0 2965 * @global wpdb $wpdb WordPress database abstraction object. 2966 * @see wp_trash_post() 2967 * 2968 * @param int|WP_Post $post The changeset post. 2969 * @return mixed A WP_Post object for the trashed post or an empty value on failure. 2970 */ 2971 public function trash_changeset_post( $post ) { 2972 global $wpdb; 2973 2974 $post = get_post( $post ); 2975 2976 if ( ! ( $post instanceof WP_Post ) ) { 2977 return $post; 2978 } 2979 $post_id = $post->ID; 2980 2981 if ( ! EMPTY_TRASH_DAYS ) { 2982 return wp_delete_post( $post_id, true ); 2983 } 2984 2985 if ( 'trash' === get_post_status( $post ) ) { 2986 return false; 2987 } 2988 2989 /** This filter is documented in wp-includes/post.php */ 2990 $check = apply_filters( 'pre_trash_post', null, $post ); 2991 if ( null !== $check ) { 2992 return $check; 2993 } 2994 2995 /** This action is documented in wp-includes/post.php */ 2996 do_action( 'wp_trash_post', $post_id ); 2997 2998 add_post_meta( $post_id, '_wp_trash_meta_status', $post->post_status ); 2999 add_post_meta( $post_id, '_wp_trash_meta_time', time() ); 3000 3001 $old_status = $post->post_status; 3002 $new_status = 'trash'; 3003 $wpdb->update( $wpdb->posts, array( 'post_status' => $new_status ), array( 'ID' => $post->ID ) ); 3004 clean_post_cache( $post->ID ); 3005 3006 $post->post_status = $new_status; 3007 wp_transition_post_status( $new_status, $old_status, $post ); 3008 3009 /** This action is documented in wp-includes/post.php */ 3010 do_action( "edit_post_{$post->post_type}", $post->ID, $post ); 3011 3012 /** This action is documented in wp-includes/post.php */ 3013 do_action( 'edit_post', $post->ID, $post ); 3014 3015 /** This action is documented in wp-includes/post.php */ 3016 do_action( "save_post_{$post->post_type}", $post->ID, $post, true ); 3017 3018 /** This action is documented in wp-includes/post.php */ 3019 do_action( 'save_post', $post->ID, $post, true ); 3020 3021 /** This action is documented in wp-includes/post.php */ 3022 do_action( 'wp_insert_post', $post->ID, $post, true ); 3023 3024 wp_trash_post_comments( $post_id ); 3025 3026 /** This action is documented in wp-includes/post.php */ 3027 do_action( 'trashed_post', $post_id ); 3028 3029 return $post; 3030 } 3031 3032 /** 3033 * Handle request to trash a changeset. 3034 * 3035 * @since 4.9.0 3036 */ 3037 public function handle_changeset_trash_request() { 3038 if ( ! is_user_logged_in() ) { 3039 wp_send_json_error( 'unauthenticated' ); 3040 } 3041 3042 if ( ! $this->is_preview() ) { 3043 wp_send_json_error( 'not_preview' ); 3044 } 3045 3046 if ( ! check_ajax_referer( 'trash_customize_changeset', 'nonce', false ) ) { 3047 wp_send_json_error( 3048 array( 3049 'code' => 'invalid_nonce', 3050 'message' => __( 'There was an authentication problem. Please reload and try again.' ), 3051 ) 3052 ); 3053 } 3054 3055 $changeset_post_id = $this->changeset_post_id(); 3056 3057 if ( ! $changeset_post_id ) { 3058 wp_send_json_error( 3059 array( 3060 'message' => __( 'No changes saved yet, so there is nothing to trash.' ), 3061 'code' => 'non_existent_changeset', 3062 ) 3063 ); 3064 return; 3065 } 3066 3067 if ( $changeset_post_id && ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) { 3068 wp_send_json_error( 3069 array( 3070 'code' => 'changeset_trash_unauthorized', 3071 'message' => __( 'Unable to trash changes.' ), 3072 ) 3073 ); 3074 } 3075 3076 if ( 'trash' === get_post_status( $changeset_post_id ) ) { 3077 wp_send_json_error( 3078 array( 3079 'message' => __( 'Changes have already been trashed.' ), 3080 'code' => 'changeset_already_trashed', 3081 ) 3082 ); 3083 return; 3084 } 3085 3086 $r = $this->trash_changeset_post( $changeset_post_id ); 3087 if ( ! ( $r instanceof WP_Post ) ) { 3088 wp_send_json_error( 3089 array( 3090 'code' => 'changeset_trash_failure', 3091 'message' => __( 'Unable to trash changes.' ), 3092 ) 3093 ); 3094 } 3095 3096 wp_send_json_success( 3097 array( 3098 'message' => __( 'Changes trashed successfully.' ), 3099 ) 3100 ); 3101 } 3102 3103 /** 3104 * Re-map 'edit_post' meta cap for a customize_changeset post to be the same as 'customize' maps. 3105 * 3106 * There is essentially a "meta meta" cap in play here, where 'edit_post' meta cap maps to 3107 * the 'customize' meta cap which then maps to 'edit_theme_options'. This is currently 3108 * required in core for `wp_create_post_autosave()` because it will call 3109 * `_wp_translate_postdata()` which in turn will check if a user can 'edit_post', but the 3110 * the caps for the customize_changeset post type are all mapping to the meta capability. 3111 * This should be able to be removed once #40922 is addressed in core. 3112 * 3113 * @since 4.9.0 3114 * @link https://core.trac.wordpress.org/ticket/40922 3115 * @see WP_Customize_Manager::save_changeset_post() 3116 * @see _wp_translate_postdata() 3117 * 3118 * @param string[] $caps Array of the user's capabilities. 3119 * @param string $cap Capability name. 3120 * @param int $user_id The user ID. 3121 * @param array $args Adds the context to the cap. Typically the object ID. 3122 * @return array Capabilities. 3123 */ 3124 public function grant_edit_post_capability_for_changeset( $caps, $cap, $user_id, $args ) { 3125 if ( 'edit_post' === $cap && ! empty( $args[0] ) && 'customize_changeset' === get_post_type( $args[0] ) ) { 3126 $post_type_obj = get_post_type_object( 'customize_changeset' ); 3127 $caps = map_meta_cap( $post_type_obj->cap->$cap, $user_id ); 3128 } 3129 return $caps; 3130 } 3131 3132 /** 3133 * Marks the changeset post as being currently edited by the current user. 3134 * 3135 * @since 4.9.0 3136 * 3137 * @param int $changeset_post_id Changeset post id. 3138 * @param bool $take_over Take over the changeset, default is false. 3139 */ 3140 public function set_changeset_lock( $changeset_post_id, $take_over = false ) { 3141 if ( $changeset_post_id ) { 3142 $can_override = ! (bool) get_post_meta( $changeset_post_id, '_edit_lock', true ); 3143 3144 if ( $take_over ) { 3145 $can_override = true; 3146 } 3147 3148 if ( $can_override ) { 3149 $lock = sprintf( '%s:%s', time(), get_current_user_id() ); 3150 update_post_meta( $changeset_post_id, '_edit_lock', $lock ); 3151 } else { 3152 $this->refresh_changeset_lock( $changeset_post_id ); 3153 } 3154 } 3155 } 3156 3157 /** 3158 * Refreshes changeset lock with the current time if current user edited the changeset before. 3159 * 3160 * @since 4.9.0 3161 * 3162 * @param int $changeset_post_id Changeset post id. 3163 */ 3164 public function refresh_changeset_lock( $changeset_post_id ) { 3165 if ( ! $changeset_post_id ) { 3166 return; 3167 } 3168 $lock = get_post_meta( $changeset_post_id, '_edit_lock', true ); 3169 $lock = explode( ':', $lock ); 3170 3171 if ( $lock && ! empty( $lock[1] ) ) { 3172 $user_id = intval( $lock[1] ); 3173 $current_user_id = get_current_user_id(); 3174 if ( $user_id === $current_user_id ) { 3175 $lock = sprintf( '%s:%s', time(), $user_id ); 3176 update_post_meta( $changeset_post_id, '_edit_lock', $lock ); 3177 } 3178 } 3179 } 3180 3181 /** 3182 * Filter heartbeat settings for the Customizer. 3183 * 3184 * @since 4.9.0 3185 * @param array $settings Current settings to filter. 3186 * @return array Heartbeat settings. 3187 */ 3188 public function add_customize_screen_to_heartbeat_settings( $settings ) { 3189 global $pagenow; 3190 if ( 'customize.php' === $pagenow ) { 3191 $settings['screenId'] = 'customize'; 3192 } 3193 return $settings; 3194 } 3195 3196 /** 3197 * Get lock user data. 3198 * 3199 * @since 4.9.0 3200 * 3201 * @param int $user_id User ID. 3202 * @return array|null User data formatted for client. 3203 */ 3204 protected function get_lock_user_data( $user_id ) { 3205 if ( ! $user_id ) { 3206 return null; 3207 } 3208 $lock_user = get_userdata( $user_id ); 3209 if ( ! $lock_user ) { 3210 return null; 3211 } 3212 return array( 3213 'id' => $lock_user->ID, 3214 'name' => $lock_user->display_name, 3215 'avatar' => get_avatar_url( $lock_user->ID, array( 'size' => 128 ) ), 3216 ); 3217 } 3218 3219 /** 3220 * Check locked changeset with heartbeat API. 3221 * 3222 * @since 4.9.0 3223 * 3224 * @param array $response The Heartbeat response. 3225 * @param array $data The $_POST data sent. 3226 * @param string $screen_id The screen id. 3227 * @return array The Heartbeat response. 3228 */ 3229 public function check_changeset_lock_with_heartbeat( $response, $data, $screen_id ) { 3230 if ( isset( $data['changeset_uuid'] ) ) { 3231 $changeset_post_id = $this->find_changeset_post_id( $data['changeset_uuid'] ); 3232 } else { 3233 $changeset_post_id = $this->changeset_post_id(); 3234 } 3235 3236 if ( 3237 array_key_exists( 'check_changeset_lock', $data ) 3238 && 'customize' === $screen_id 3239 && $changeset_post_id 3240 && current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) 3241 ) { 3242 $lock_user_id = wp_check_post_lock( $changeset_post_id ); 3243 3244 if ( $lock_user_id ) { 3245 $response['customize_changeset_lock_user'] = $this->get_lock_user_data( $lock_user_id ); 3246 } else { 3247 3248 // Refreshing time will ensure that the user is sitting on customizer and has not closed the customizer tab. 3249 $this->refresh_changeset_lock( $changeset_post_id ); 3250 } 3251 } 3252 3253 return $response; 3254 } 3255 3256 /** 3257 * Removes changeset lock when take over request is sent via Ajax. 3258 * 3259 * @since 4.9.0 3260 */ 3261 public function handle_override_changeset_lock_request() { 3262 if ( ! $this->is_preview() ) { 3263 wp_send_json_error( 'not_preview', 400 ); 3264 } 3265 3266 if ( ! check_ajax_referer( 'customize_override_changeset_lock', 'nonce', false ) ) { 3267 wp_send_json_error( 3268 array( 3269 'code' => 'invalid_nonce', 3270 'message' => __( 'Security check failed.' ), 3271 ) 3272 ); 3273 } 3274 3275 $changeset_post_id = $this->changeset_post_id(); 3276 3277 if ( empty( $changeset_post_id ) ) { 3278 wp_send_json_error( 3279 array( 3280 'code' => 'no_changeset_found_to_take_over', 3281 'message' => __( 'No changeset found to take over' ), 3282 ) 3283 ); 3284 } 3285 3286 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) ) { 3287 wp_send_json_error( 3288 array( 3289 'code' => 'cannot_remove_changeset_lock', 3290 'message' => __( 'Sorry, you are not allowed to take over.' ), 3291 ) 3292 ); 3293 } 3294 3295 $this->set_changeset_lock( $changeset_post_id, true ); 3296 3297 wp_send_json_success( 'changeset_taken_over' ); 3298 } 3299 3300 /** 3301 * Whether a changeset revision should be made. 3302 * 3303 * @since 4.7.0 3304 * @var bool 3305 */ 3306 protected $store_changeset_revision; 3307 3308 /** 3309 * Filters whether a changeset has changed to create a new revision. 3310 * 3311 * Note that this will not be called while a changeset post remains in auto-draft status. 3312 * 3313 * @since 4.7.0 3314 * 3315 * @param bool $post_has_changed Whether the post has changed. 3316 * @param WP_Post $last_revision The last revision post object. 3317 * @param WP_Post $post The post object. 3318 * 3319 * @return bool Whether a revision should be made. 3320 */ 3321 public function _filter_revision_post_has_changed( $post_has_changed, $last_revision, $post ) { 3322 unset( $last_revision ); 3323 if ( 'customize_changeset' === $post->post_type ) { 3324 $post_has_changed = $this->store_changeset_revision; 3325 } 3326 return $post_has_changed; 3327 } 3328 3329 /** 3330 * Publish changeset values. 3331 * 3332 * This will the values contained in a changeset, even changesets that do not 3333 * correspond to current manager instance. This is called by 3334 * `_wp_customize_publish_changeset()` when a customize_changeset post is 3335 * transitioned to the `publish` status. As such, this method should not be 3336 * called directly and instead `wp_publish_post()` should be used. 3337 * 3338 * Please note that if the settings in the changeset are for a non-activated 3339 * theme, the theme must first be switched to (via `switch_theme()`) before 3340 * invoking this method. 3341 * 3342 * @since 4.7.0 3343 * @see _wp_customize_publish_changeset() 3344 * @global wpdb $wpdb 3345 * 3346 * @param int $changeset_post_id ID for customize_changeset post. Defaults to the changeset for the current manager instance. 3347 * @return true|WP_Error True or error info. 3348 */ 3349 public function _publish_changeset_values( $changeset_post_id ) { 3350 global $wpdb; 3351 3352 $publishing_changeset_data = $this->get_changeset_post_data( $changeset_post_id ); 3353 if ( is_wp_error( $publishing_changeset_data ) ) { 3354 return $publishing_changeset_data; 3355 } 3356 3357 $changeset_post = get_post( $changeset_post_id ); 3358 3359 /* 3360 * Temporarily override the changeset context so that it will be read 3361 * in calls to unsanitized_post_values() and so that it will be available 3362 * on the $wp_customize object passed to hooks during the save logic. 3363 */ 3364 $previous_changeset_post_id = $this->_changeset_post_id; 3365 $this->_changeset_post_id = $changeset_post_id; 3366 $previous_changeset_uuid = $this->_changeset_uuid; 3367 $this->_changeset_uuid = $changeset_post->post_name; 3368 $previous_changeset_data = $this->_changeset_data; 3369 $this->_changeset_data = $publishing_changeset_data; 3370 3371 // Parse changeset data to identify theme mod settings and user IDs associated with settings to be saved. 3372 $setting_user_ids = array(); 3373 $theme_mod_settings = array(); 3374 $namespace_pattern = '/^(?P<stylesheet>.+?)::(?P<setting_id>.+)$/'; 3375 $matches = array(); 3376 foreach ( $this->_changeset_data as $raw_setting_id => $setting_params ) { 3377 $actual_setting_id = null; 3378 $is_theme_mod_setting = ( 3379 isset( $setting_params['value'] ) 3380 && 3381 isset( $setting_params['type'] ) 3382 && 3383 'theme_mod' === $setting_params['type'] 3384 && 3385 preg_match( $namespace_pattern, $raw_setting_id, $matches ) 3386 ); 3387 if ( $is_theme_mod_setting ) { 3388 if ( ! isset( $theme_mod_settings[ $matches['stylesheet'] ] ) ) { 3389 $theme_mod_settings[ $matches['stylesheet'] ] = array(); 3390 } 3391 $theme_mod_settings[ $matches['stylesheet'] ][ $matches['setting_id'] ] = $setting_params; 3392 3393 if ( $this->get_stylesheet() === $matches['stylesheet'] ) { 3394 $actual_setting_id = $matches['setting_id']; 3395 } 3396 } else { 3397 $actual_setting_id = $raw_setting_id; 3398 } 3399 3400 // Keep track of the user IDs for settings actually for this theme. 3401 if ( $actual_setting_id && isset( $setting_params['user_id'] ) ) { 3402 $setting_user_ids[ $actual_setting_id ] = $setting_params['user_id']; 3403 } 3404 } 3405 3406 $changeset_setting_values = $this->unsanitized_post_values( 3407 array( 3408 'exclude_post_data' => true, 3409 'exclude_changeset' => false, 3410 ) 3411 ); 3412 $changeset_setting_ids = array_keys( $changeset_setting_values ); 3413 $this->add_dynamic_settings( $changeset_setting_ids ); 3414 3415 /** 3416 * Fires once the theme has switched in the Customizer, but before settings 3417 * have been saved. 3418 * 3419 * @since 3.4.0 3420 * 3421 * @param WP_Customize_Manager $manager WP_Customize_Manager instance. 3422 */ 3423 do_action( 'customize_save', $this ); 3424 3425 /* 3426 * Ensure that all settings will allow themselves to be saved. Note that 3427 * this is safe because the setting would have checked the capability 3428 * when the setting value was written into the changeset. So this is why 3429 * an additional capability check is not required here. 3430 */ 3431 $original_setting_capabilities = array(); 3432 foreach ( $changeset_setting_ids as $setting_id ) { 3433 $setting = $this->get_setting( $setting_id ); 3434 if ( $setting && ! isset( $setting_user_ids[ $setting_id ] ) ) { 3435 $original_setting_capabilities[ $setting->id ] = $setting->capability; 3436 $setting->capability = 'exist'; 3437 } 3438 } 3439 3440 $original_user_id = get_current_user_id(); 3441 foreach ( $changeset_setting_ids as $setting_id ) { 3442 $setting = $this->get_setting( $setting_id ); 3443 if ( $setting ) { 3444 /* 3445 * Set the current user to match the user who saved the value into 3446 * the changeset so that any filters that apply during the save 3447 * process will respect the original user's capabilities. This 3448 * will ensure, for example, that KSES won't strip unsafe HTML 3449 * when a scheduled changeset publishes via WP Cron. 3450 */ 3451 if ( isset( $setting_user_ids[ $setting_id ] ) ) { 3452 wp_set_current_user( $setting_user_ids[ $setting_id ] ); 3453 } else { 3454 wp_set_current_user( $original_user_id ); 3455 } 3456 3457 $setting->save(); 3458 } 3459 } 3460 wp_set_current_user( $original_user_id ); 3461 3462 // Update the stashed theme mod settings, removing the active theme's stashed settings, if activated. 3463 if ( did_action( 'switch_theme' ) ) { 3464 $other_theme_mod_settings = $theme_mod_settings; 3465 unset( $other_theme_mod_settings[ $this->get_stylesheet() ] ); 3466 $this->update_stashed_theme_mod_settings( $other_theme_mod_settings ); 3467 } 3468 3469 /** 3470 * Fires after Customize settings have been saved. 3471 * 3472 * @since 3.6.0 3473 * 3474 * @param WP_Customize_Manager $manager WP_Customize_Manager instance. 3475 */ 3476 do_action( 'customize_save_after', $this ); 3477 3478 // Restore original capabilities. 3479 foreach ( $original_setting_capabilities as $setting_id => $capability ) { 3480 $setting = $this->get_setting( $setting_id ); 3481 if ( $setting ) { 3482 $setting->capability = $capability; 3483 } 3484 } 3485 3486 // Restore original changeset data. 3487 $this->_changeset_data = $previous_changeset_data; 3488 $this->_changeset_post_id = $previous_changeset_post_id; 3489 $this->_changeset_uuid = $previous_changeset_uuid; 3490 3491 /* 3492 * Convert all autosave revisions into their own auto-drafts so that users can be prompted to 3493 * restore them when a changeset is published, but they had been locked out from including 3494 * their changes in the changeset. 3495 */ 3496 $revisions = wp_get_post_revisions( $changeset_post_id, array( 'check_enabled' => false ) ); 3497 foreach ( $revisions as $revision ) { 3498 if ( false !== strpos( $revision->post_name, "{$changeset_post_id}-autosave" ) ) { 3499 $wpdb->update( 3500 $wpdb->posts, 3501 array( 3502 'post_status' => 'auto-draft', 3503 'post_type' => 'customize_changeset', 3504 'post_name' => wp_generate_uuid4(), 3505 'post_parent' => 0, 3506 ), 3507 array( 3508 'ID' => $revision->ID, 3509 ) 3510 ); 3511 clean_post_cache( $revision->ID ); 3512 } 3513 } 3514 3515 return true; 3516 } 3517 3518 /** 3519 * Update stashed theme mod settings. 3520 * 3521 * @since 4.7.0 3522 * 3523 * @param array $inactive_theme_mod_settings Mapping of stylesheet to arrays of theme mod settings. 3524 * @return array|false Returns array of updated stashed theme mods or false if the update failed or there were no changes. 3525 */ 3526 protected function update_stashed_theme_mod_settings( $inactive_theme_mod_settings ) { 3527 $stashed_theme_mod_settings = get_option( 'customize_stashed_theme_mods' ); 3528 if ( empty( $stashed_theme_mod_settings ) ) { 3529 $stashed_theme_mod_settings = array(); 3530 } 3531 3532 // Delete any stashed theme mods for the active theme since they would have been loaded and saved upon activation. 3533 unset( $stashed_theme_mod_settings[ $this->get_stylesheet() ] ); 3534 3535 // Merge inactive theme mods with the stashed theme mod settings. 3536 foreach ( $inactive_theme_mod_settings as $stylesheet => $theme_mod_settings ) { 3537 if ( ! isset( $stashed_theme_mod_settings[ $stylesheet ] ) ) { 3538 $stashed_theme_mod_settings[ $stylesheet ] = array(); 3539 } 3540 3541 $stashed_theme_mod_settings[ $stylesheet ] = array_merge( 3542 $stashed_theme_mod_settings[ $stylesheet ], 3543 $theme_mod_settings 3544 ); 3545 } 3546 3547 $autoload = false; 3548 $result = update_option( 'customize_stashed_theme_mods', $stashed_theme_mod_settings, $autoload ); 3549 if ( ! $result ) { 3550 return false; 3551 } 3552 return $stashed_theme_mod_settings; 3553 } 3554 3555 /** 3556 * Refresh nonces for the current preview. 3557 * 3558 * @since 4.2.0 3559 */ 3560 public function refresh_nonces() { 3561 if ( ! $this->is_preview() ) { 3562 wp_send_json_error( 'not_preview' ); 3563 } 3564 3565 wp_send_json_success( $this->get_nonces() ); 3566 } 3567 3568 /** 3569 * Delete a given auto-draft changeset or the autosave revision for a given changeset or delete changeset lock. 3570 * 3571 * @since 4.9.0 3572 */ 3573 public function handle_dismiss_autosave_or_lock_request() { 3574 // Calls to dismiss_user_auto_draft_changesets() and wp_get_post_autosave() require non-zero get_current_user_id(). 3575 if ( ! is_user_logged_in() ) { 3576 wp_send_json_error( 'unauthenticated', 401 ); 3577 } 3578 3579 if ( ! $this->is_preview() ) { 3580 wp_send_json_error( 'not_preview', 400 ); 3581 } 3582 3583 if ( ! check_ajax_referer( 'customize_dismiss_autosave_or_lock', 'nonce', false ) ) { 3584 wp_send_json_error( 'invalid_nonce', 403 ); 3585 } 3586 3587 $changeset_post_id = $this->changeset_post_id(); 3588 $dismiss_lock = ! empty( $_POST['dismiss_lock'] ); 3589 $dismiss_autosave = ! empty( $_POST['dismiss_autosave'] ); 3590 3591 if ( $dismiss_lock ) { 3592 if ( empty( $changeset_post_id ) && ! $dismiss_autosave ) { 3593 wp_send_json_error( 'no_changeset_to_dismiss_lock', 404 ); 3594 } 3595 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->edit_post, $changeset_post_id ) && ! $dismiss_autosave ) { 3596 wp_send_json_error( 'cannot_remove_changeset_lock', 403 ); 3597 } 3598 3599 delete_post_meta( $changeset_post_id, '_edit_lock' ); 3600 3601 if ( ! $dismiss_autosave ) { 3602 wp_send_json_success( 'changeset_lock_dismissed' ); 3603 } 3604 } 3605 3606 if ( $dismiss_autosave ) { 3607 if ( empty( $changeset_post_id ) || 'auto-draft' === get_post_status( $changeset_post_id ) ) { 3608 $dismissed = $this->dismiss_user_auto_draft_changesets(); 3609 if ( $dismissed > 0 ) { 3610 wp_send_json_success( 'auto_draft_dismissed' ); 3611 } else { 3612 wp_send_json_error( 'no_auto_draft_to_delete', 404 ); 3613 } 3614 } else { 3615 $revision = wp_get_post_autosave( $changeset_post_id, get_current_user_id() ); 3616 3617 if ( $revision ) { 3618 if ( ! current_user_can( get_post_type_object( 'customize_changeset' )->cap->delete_post, $changeset_post_id ) ) { 3619 wp_send_json_error( 'cannot_delete_autosave_revision', 403 ); 3620 } 3621 3622 if ( ! wp_delete_post( $revision->ID, true ) ) { 3623 wp_send_json_error( 'autosave_revision_deletion_failure', 500 ); 3624 } else { 3625 wp_send_json_success( 'autosave_revision_deleted' ); 3626 } 3627 } else { 3628 wp_send_json_error( 'no_autosave_revision_to_delete', 404 ); 3629 } 3630 } 3631 } 3632 3633 wp_send_json_error( 'unknown_error', 500 ); 3634 } 3635 3636 /** 3637 * Add a customize setting. 3638 * 3639 * @since 3.4.0 3640 * @since 4.5.0 Return added WP_Customize_Setting instance. 3641 * 3642 * @param WP_Customize_Setting|string $id Customize Setting object, or ID. 3643 * @param array $args { 3644 * Optional. Array of properties for the new WP_Customize_Setting. Default empty array. 3645 * 3646 * @type string $type Type of the setting. Default 'theme_mod'. 3647 * @type string $capability Capability required for the setting. Default 'edit_theme_options' 3648 * @type string|array $theme_supports Theme features required to support the panel. Default is none. 3649 * @type string $default Default value for the setting. Default is empty string. 3650 * @type string $transport Options for rendering the live preview of changes in Customizer. 3651 * Using 'refresh' makes the change visible by reloading the whole preview. 3652 * Using 'postMessage' allows a custom JavaScript to handle live changes. 3653 * @link https://developer.wordpress.org/themes/customize-api 3654 * Default is 'refresh' 3655 * @type callable $validate_callback Server-side validation callback for the setting's value. 3656 * @type callable $sanitize_callback Callback to filter a Customize setting value in un-slashed form. 3657 * @type callable $sanitize_js_callback Callback to convert a Customize PHP setting value to a value that is 3658 * JSON serializable. 3659 * @type bool $dirty Whether or not the setting is initially dirty when created. 3660 * } 3661 * @return WP_Customize_Setting The instance of the setting that was added. 3662 */ 3663 public function add_setting( $id, $args = array() ) { 3664 if ( $id instanceof WP_Customize_Setting ) { 3665 $setting = $id; 3666 } else { 3667 $class = 'WP_Customize_Setting'; 3668 3669 /** This filter is documented in wp-includes/class-wp-customize-manager.php */ 3670 $args = apply_filters( 'customize_dynamic_setting_args', $args, $id ); 3671 3672 /** This filter is documented in wp-includes/class-wp-customize-manager.php */ 3673 $class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args ); 3674 3675 $setting = new $class( $this, $id, $args ); 3676 } 3677 3678 $this->settings[ $setting->id ] = $setting; 3679 return $setting; 3680 } 3681 3682 /** 3683 * Register any dynamically-created settings, such as those from $_POST['customized'] 3684 * that have no corresponding setting created. 3685 * 3686 * This is a mechanism to "wake up" settings that have been dynamically created 3687 * on the front end and have been sent to WordPress in `$_POST['customized']`. When WP 3688 * loads, the dynamically-created settings then will get created and previewed 3689 * even though they are not directly created statically with code. 3690 * 3691 * @since 4.2.0 3692 * 3693 * @param array $setting_ids The setting IDs to add. 3694 * @return array The WP_Customize_Setting objects added. 3695 */ 3696 public function add_dynamic_settings( $setting_ids ) { 3697 $new_settings = array(); 3698 foreach ( $setting_ids as $setting_id ) { 3699 // Skip settings already created 3700 if ( $this->get_setting( $setting_id ) ) { 3701 continue; 3702 } 3703 3704 $setting_args = false; 3705 $setting_class = 'WP_Customize_Setting'; 3706 3707 /** 3708 * Filters a dynamic setting's constructor args. 3709 * 3710 * For a dynamic setting to be registered, this filter must be employed 3711 * to override the default false value with an array of args to pass to 3712 * the WP_Customize_Setting constructor. 3713 * 3714 * @since 4.2.0 3715 * 3716 * @param false|array $setting_args The arguments to the WP_Customize_Setting constructor. 3717 * @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. 3718 */ 3719 $setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id ); 3720 if ( false === $setting_args ) { 3721 continue; 3722 } 3723 3724 /** 3725 * Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass. 3726 * 3727 * @since 4.2.0 3728 * 3729 * @param string $setting_class WP_Customize_Setting or a subclass. 3730 * @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. 3731 * @param array $setting_args WP_Customize_Setting or a subclass. 3732 */ 3733 $setting_class = apply_filters( 'customize_dynamic_setting_class', $setting_class, $setting_id, $setting_args ); 3734 3735 $setting = new $setting_class( $this, $setting_id, $setting_args ); 3736 3737 $this->add_setting( $setting ); 3738 $new_settings[] = $setting; 3739 } 3740 return $new_settings; 3741 } 3742 3743 /** 3744 * Retrieve a customize setting. 3745 * 3746 * @since 3.4.0 3747 * 3748 * @param string $id Customize Setting ID. 3749 * @return WP_Customize_Setting|void The setting, if set. 3750 */ 3751 public function get_setting( $id ) { 3752 if ( isset( $this->settings[ $id ] ) ) { 3753 return $this->settings[ $id ]; 3754 } 3755 } 3756 3757 /** 3758 * Remove a customize setting. 3759 * 3760 * @since 3.4.0 3761 * 3762 * @param string $id Customize Setting ID. 3763 */ 3764 public function remove_setting( $id ) { 3765 unset( $this->settings[ $id ] ); 3766 } 3767 3768 /** 3769 * Add a customize panel. 3770 * 3771 * @since 4.0.0 3772 * @since 4.5.0 Return added WP_Customize_Panel instance. 3773 * 3774 * @param WP_Customize_Panel|string $id Customize Panel object, or Panel ID. 3775 * @param array $args { 3776 * Optional. Array of properties for the new Panel object. Default empty array. 3777 * @type int $priority Priority of the panel, defining the display order of panels and sections. 3778 * Default 160. 3779 * @type string $capability Capability required for the panel. Default `edit_theme_options` 3780 * @type string|array $theme_supports Theme features required to support the panel. 3781 * @type string $title Title of the panel to show in UI. 3782 * @type string $description Description to show in the UI. 3783 * @type string $type Type of the panel. 3784 * @type callable $active_callback Active callback. 3785 * } 3786 * @return WP_Customize_Panel The instance of the panel that was added. 3787 */ 3788 public function add_panel( $id, $args = array() ) { 3789 if ( $id instanceof WP_Customize_Panel ) { 3790 $panel = $id; 3791 } else { 3792 $panel = new WP_Customize_Panel( $this, $id, $args ); 3793 } 3794 3795 $this->panels[ $panel->id ] = $panel; 3796 return $panel; 3797 } 3798 3799 /** 3800 * Retrieve a customize panel. 3801 * 3802 * @since 4.0.0 3803 * 3804 * @param string $id Panel ID to get. 3805 * @return WP_Customize_Panel|void Requested panel instance, if set. 3806 */ 3807 public function get_panel( $id ) { 3808 if ( isset( $this->panels[ $id ] ) ) { 3809 return $this->panels[ $id ]; 3810 } 3811 } 3812 3813 /** 3814 * Remove a customize panel. 3815 * 3816 * @since 4.0.0 3817 * 3818 * @param string $id Panel ID to remove. 3819 */ 3820 public function remove_panel( $id ) { 3821 // Removing core components this way is _doing_it_wrong(). 3822 if ( in_array( $id, $this->components, true ) ) { 3823 /* translators: 1: panel id, 2: link to 'customize_loaded_components' filter reference */ 3824 $message = sprintf( 3825 __( 'Removing %1$s manually will cause PHP warnings. Use the %2$s filter instead.' ), 3826 $id, 3827 '<a href="' . esc_url( 'https://developer.wordpress.org/reference/hooks/customize_loaded_components/' ) . '"><code>customize_loaded_components</code></a>' 3828 ); 3829 3830 _doing_it_wrong( __METHOD__, $message, '4.5.0' ); 3831 } 3832 unset( $this->panels[ $id ] ); 3833 } 3834 3835 /** 3836 * Register a customize panel type. 3837 * 3838 * Registered types are eligible to be rendered via JS and created dynamically. 3839 * 3840 * @since 4.3.0 3841 * 3842 * @see WP_Customize_Panel 3843 * 3844 * @param string $panel Name of a custom panel which is a subclass of WP_Customize_Panel. 3845 */ 3846 public function register_panel_type( $panel ) { 3847 $this->registered_panel_types[] = $panel; 3848 } 3849 3850 /** 3851 * Render JS templates for all registered panel types. 3852 * 3853 * @since 4.3.0 3854 */ 3855 public function render_panel_templates() { 3856 foreach ( $this->registered_panel_types as $panel_type ) { 3857 $panel = new $panel_type( $this, 'temp', array() ); 3858 $panel->print_template(); 3859 } 3860 } 3861 3862 /** 3863 * Add a customize section. 3864 * 3865 * @since 3.4.0 3866 * @since 4.5.0 Return added WP_Customize_Section instance. 3867 * 3868 * @param WP_Customize_Section|string $id Customize Section object, or Section ID. 3869 * @param array $args { 3870 * Optional. Array of properties for the new Section object. Default empty array. 3871 * @type int $priority Priority of the section, defining the display order of panels and sections. 3872 * Default 160. 3873 * @type string $panel The panel this section belongs to (if any). Default empty. 3874 * @type string $capability Capability required for the section. Default 'edit_theme_options' 3875 * @type string|array $theme_supports Theme features required to support the section. 3876 * @type string $title Title of the section to show in UI. 3877 * @type string $description Description to show in the UI. 3878 * @type string $type Type of the section. 3879 * @type callable $active_callback Active callback. 3880 * @type bool $description_hidden Hide the description behind a help icon, instead of inline above the first control. Default false. 3881 * } 3882 * @return WP_Customize_Section The instance of the section that was added. 3883 */ 3884 public function add_section( $id, $args = array() ) { 3885 if ( $id instanceof WP_Customize_Section ) { 3886 $section = $id; 3887 } else { 3888 $section = new WP_Customize_Section( $this, $id, $args ); 3889 } 3890 3891 $this->sections[ $section->id ] = $section; 3892 return $section; 3893 } 3894 3895 /** 3896 * Retrieve a customize section. 3897 * 3898 * @since 3.4.0 3899 * 3900 * @param string $id Section ID. 3901 * @return WP_Customize_Section|void The section, if set. 3902 */ 3903 public function get_section( $id ) { 3904 if ( isset( $this->sections[ $id ] ) ) { 3905 return $this->sections[ $id ]; 3906 } 3907 } 3908 3909 /** 3910 * Remove a customize section. 3911 * 3912 * @since 3.4.0 3913 * 3914 * @param string $id Section ID. 3915 */ 3916 public function remove_section( $id ) { 3917 unset( $this->sections[ $id ] ); 3918 } 3919 3920 /** 3921 * Register a customize section type. 3922 * 3923 * Registered types are eligible to be rendered via JS and created dynamically. 3924 * 3925 * @since 4.3.0 3926 * 3927 * @see WP_Customize_Section 3928 * 3929 * @param string $section Name of a custom section which is a subclass of WP_Customize_Section. 3930 */ 3931 public function register_section_type( $section ) { 3932 $this->registered_section_types[] = $section; 3933 } 3934 3935 /** 3936 * Render JS templates for all registered section types. 3937 * 3938 * @since 4.3.0 3939 */ 3940 public function render_section_templates() { 3941 foreach ( $this->registered_section_types as $section_type ) { 3942 $section = new $section_type( $this, 'temp', array() ); 3943 $section->print_template(); 3944 } 3945 } 3946 3947 /** 3948 * Add a customize control. 3949 * 3950 * @since 3.4.0 3951 * @since 4.5.0 Return added WP_Customize_Control instance. 3952 * 3953 * @param WP_Customize_Control|string $id Customize Control object, or ID. 3954 * @param array $args { 3955 * Optional. Array of properties for the new Control object. Default empty array. 3956 * 3957 * @type array $settings All settings tied to the control. If undefined, defaults to `$setting`. 3958 * IDs in the array correspond to the ID of a registered `WP_Customize_Setting`. 3959 * @type string $setting The primary setting for the control (if there is one). Default is 'default'. 3960 * @type string $capability Capability required to use this control. Normally derived from `$settings`. 3961 * @type int $priority Order priority to load the control. Default 10. 3962 * @type string $section The section this control belongs to. Default empty. 3963 * @type string $label Label for the control. Default empty. 3964 * @type string $description Description for the control. Default empty. 3965 * @type array $choices List of choices for 'radio' or 'select' type controls, where values 3966 * are the keys, and labels are the values. Default empty array. 3967 * @type array $input_attrs List of custom input attributes for control output, where attribute 3968 * names are the keys and values are the values. Default empty array. 3969 * @type bool $allow_addition Show UI for adding new content, currently only used for the 3970 * dropdown-pages control. Default false. 3971 * @type string $type The type of the control. Default 'text'. 3972 * @type callback $active_callback Active callback. 3973 * } 3974 * @return WP_Customize_Control The instance of the control that was added. 3975 */ 3976 public function add_control( $id, $args = array() ) { 3977 if ( $id instanceof WP_Customize_Control ) { 3978 $control = $id; 3979 } else { 3980 $control = new WP_Customize_Control( $this, $id, $args ); 3981 } 3982 3983 $this->controls[ $control->id ] = $control; 3984 return $control; 3985 } 3986 3987 /** 3988 * Retrieve a customize control. 3989 * 3990 * @since 3.4.0 3991 * 3992 * @param string $id ID of the control. 3993 * @return WP_Customize_Control|void The control object, if set. 3994 */ 3995 public function get_control( $id ) { 3996 if ( isset( $this->controls[ $id ] ) ) { 3997 return $this->controls[ $id ]; 3998 } 3999 } 4000 4001 /** 4002 * Remove a customize control. 4003 * 4004 * @since 3.4.0 4005 * 4006 * @param string $id ID of the control. 4007 */ 4008 public function remove_control( $id ) { 4009 unset( $this->controls[ $id ] ); 4010 } 4011 4012 /** 4013 * Register a customize control type. 4014 * 4015 * Registered types are eligible to be rendered via JS and created dynamically. 4016 * 4017 * @since 4.1.0 4018 * 4019 * @param string $control Name of a custom control which is a subclass of 4020 * WP_Customize_Control. 4021 */ 4022 public function register_control_type( $control ) { 4023 $this->registered_control_types[] = $control; 4024 } 4025 4026 /** 4027 * Render JS templates for all registered control types. 4028 * 4029 * @since 4.1.0 4030 */ 4031 public function render_control_templates() { 4032 if ( $this->branching() ) { 4033 $l10n = array( 4034 /* translators: %s: User who is customizing the changeset in customizer. */ 4035 'locked' => __( '%s is already customizing this changeset. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ), 4036 /* translators: %s: User who is customizing the changeset in customizer. */ 4037 'locked_allow_override' => __( '%s is already customizing this changeset. Do you want to take over?' ), 4038 ); 4039 } else { 4040 $l10n = array( 4041 /* translators: %s: User who is customizing the changeset in customizer. */ 4042 'locked' => __( '%s is already customizing this site. Please wait until they are done to try customizing. Your latest changes have been autosaved.' ), 4043 /* translators: %s: User who is customizing the changeset in customizer. */ 4044 'locked_allow_override' => __( '%s is already customizing this site. Do you want to take over?' ), 4045 ); 4046 } 4047 4048 foreach ( $this->registered_control_types as $control_type ) { 4049 $control = new $control_type( 4050 $this, 4051 'temp', 4052 array( 4053 'settings' => array(), 4054 ) 4055 ); 4056 $control->print_template(); 4057 } 4058 ?> 4059 4060 <script type="text/html" id="tmpl-customize-control-default-content"> 4061 <# 4062 var inputId = _.uniqueId( 'customize-control-default-input-' ); 4063 var descriptionId = _.uniqueId( 'customize-control-default-description-' ); 4064 var describedByAttr = data.description ? ' aria-describedby="' + descriptionId + '" ' : ''; 4065 #> 4066 <# switch ( data.type ) { 4067 case 'checkbox': #> 4068 <span class="customize-inside-control-row"> 4069 <input 4070 id="{{ inputId }}" 4071 {{{ describedByAttr }}} 4072 type="checkbox" 4073 value="{{ data.value }}" 4074 data-customize-setting-key-link="default" 4075 > 4076 <label for="{{ inputId }}"> 4077 {{ data.label }} 4078 </label> 4079 <# if ( data.description ) { #> 4080 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4081 <# } #> 4082 </span> 4083 <# 4084 break; 4085 case 'radio': 4086 if ( ! data.choices ) { 4087 return; 4088 } 4089 #> 4090 <# if ( data.label ) { #> 4091 <label for="{{ inputId }}" class="customize-control-title"> 4092 {{ data.label }} 4093 </label> 4094 <# } #> 4095 <# if ( data.description ) { #> 4096 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4097 <# } #> 4098 <# _.each( data.choices, function( val, key ) { #> 4099 <span class="customize-inside-control-row"> 4100 <# 4101 var value, text; 4102 if ( _.isObject( val ) ) { 4103 value = val.value; 4104 text = val.text; 4105 } else { 4106 value = key; 4107 text = val; 4108 } 4109 #> 4110 <input 4111 id="{{ inputId + '-' + value }}" 4112 type="radio" 4113 value="{{ value }}" 4114 name="{{ inputId }}" 4115 data-customize-setting-key-link="default" 4116 {{{ describedByAttr }}} 4117 > 4118 <label for="{{ inputId + '-' + value }}">{{ text }}</label> 4119 </span> 4120 <# } ); #> 4121 <# 4122 break; 4123 default: 4124 #> 4125 <# if ( data.label ) { #> 4126 <label for="{{ inputId }}" class="customize-control-title"> 4127 {{ data.label }} 4128 </label> 4129 <# } #> 4130 <# if ( data.description ) { #> 4131 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4132 <# } #> 4133 4134 <# 4135 var inputAttrs = { 4136 id: inputId, 4137 'data-customize-setting-key-link': 'default' 4138 }; 4139 if ( 'textarea' === data.type ) { 4140 inputAttrs.rows = '5'; 4141 } else if ( 'button' === data.type ) { 4142 inputAttrs['class'] = 'button button-secondary'; 4143 inputAttrs.type = 'button'; 4144 } else { 4145 inputAttrs.type = data.type; 4146 } 4147 if ( data.description ) { 4148 inputAttrs['aria-describedby'] = descriptionId; 4149 } 4150 _.extend( inputAttrs, data.input_attrs ); 4151 #> 4152 4153 <# if ( 'button' === data.type ) { #> 4154 <button 4155 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4156 {{{ key }}}="{{ value }}" 4157 <# } ); #> 4158 >{{ inputAttrs.value }}</button> 4159 <# } else if ( 'textarea' === data.type ) { #> 4160 <textarea 4161 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4162 {{{ key }}}="{{ value }}" 4163 <# }); #> 4164 >{{ inputAttrs.value }}</textarea> 4165 <# } else if ( 'select' === data.type ) { #> 4166 <# delete inputAttrs.type; #> 4167 <select 4168 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4169 {{{ key }}}="{{ value }}" 4170 <# }); #> 4171 > 4172 <# _.each( data.choices, function( val, key ) { #> 4173 <# 4174 var value, text; 4175 if ( _.isObject( val ) ) { 4176 value = val.value; 4177 text = val.text; 4178 } else { 4179 value = key; 4180 text = val; 4181 } 4182 #> 4183 <option value="{{ value }}">{{ text }}</option> 4184 <# } ); #> 4185 </select> 4186 <# } else { #> 4187 <input 4188 <# _.each( _.extend( inputAttrs ), function( value, key ) { #> 4189 {{{ key }}}="{{ value }}" 4190 <# }); #> 4191 > 4192 <# } #> 4193 <# } #> 4194 </script> 4195 4196 <script type="text/html" id="tmpl-customize-notification"> 4197 <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 }}"> 4198 <div class="notification-message">{{{ data.message || data.code }}}</div> 4199 <# if ( data.dismissible ) { #> 4200 <button type="button" class="notice-dismiss"><span class="screen-reader-text"><?php _e( 'Dismiss' ); ?></span></button> 4201 <# } #> 4202 </li> 4203 </script> 4204 4205 <script type="text/html" id="tmpl-customize-changeset-locked-notification"> 4206 <li class="notice notice-{{ data.type || 'info' }} {{ data.containerClasses || '' }}" data-code="{{ data.code }}" data-type="{{ data.type }}"> 4207 <div class="notification-message customize-changeset-locked-message"> 4208 <img class="customize-changeset-locked-avatar" src="{{ data.lockUser.avatar }}" alt="{{ data.lockUser.name }}"> 4209 <p class="currently-editing"> 4210 <# if ( data.message ) { #> 4211 {{{ data.message }}} 4212 <# } else if ( data.allowOverride ) { #> 4213 <?php 4214 echo esc_html( sprintf( $l10n['locked_allow_override'], '{{ data.lockUser.name }}' ) ); 4215 ?> 4216 <# } else { #> 4217 <?php 4218 echo esc_html( sprintf( $l10n['locked'], '{{ data.lockUser.name }}' ) ); 4219 ?> 4220 <# } #> 4221 </p> 4222 <p class="notice notice-error notice-alt" hidden></p> 4223 <p class="action-buttons"> 4224 <# if ( data.returnUrl !== data.previewUrl ) { #> 4225 <a class="button customize-notice-go-back-button" href="{{ data.returnUrl }}"><?php _e( 'Go back' ); ?></a> 4226 <# } #> 4227 <a class="button customize-notice-preview-button" href="{{ data.frontendPreviewUrl }}"><?php _e( 'Preview' ); ?></a> 4228 <# if ( data.allowOverride ) { #> 4229 <button class="button button-primary wp-tab-last customize-notice-take-over-button"><?php _e( 'Take over' ); ?></button> 4230 <# } #> 4231 </p> 4232 </div> 4233 </li> 4234 </script> 4235 4236 <script type="text/html" id="tmpl-customize-code-editor-lint-error-notification"> 4237 <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 }}"> 4238 <div class="notification-message">{{{ data.message || data.code }}}</div> 4239 4240 <p> 4241 <# var elementId = 'el-' + String( Math.random() ); #> 4242 <input id="{{ elementId }}" type="checkbox"> 4243 <label for="{{ elementId }}"><?php _e( 'Update anyway, even though it might break your site?' ); ?></label> 4244 </p> 4245 </li> 4246 </script> 4247 4248 <?php 4249 /* The following template is obsolete in core but retained for plugins. */ 4250 ?> 4251 <script type="text/html" id="tmpl-customize-control-notifications"> 4252 <ul> 4253 <# _.each( data.notifications, function( notification ) { #> 4254 <li class="notice notice-{{ notification.type || 'info' }} {{ data.altNotice ? 'notice-alt' : '' }}" data-code="{{ notification.code }}" data-type="{{ notification.type }}">{{{ notification.message || notification.code }}}</li> 4255 <# } ); #> 4256 </ul> 4257 </script> 4258 4259 <script type="text/html" id="tmpl-customize-preview-link-control" > 4260 <# var elementPrefix = _.uniqueId( 'el' ) + '-' #> 4261 <p class="customize-control-title"> 4262 <?php esc_html_e( 'Share Preview Link' ); ?> 4263 </p> 4264 <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> 4265 <div class="customize-control-notifications-container"></div> 4266 <div class="preview-link-wrapper"> 4267 <label for="{{ elementPrefix }}customize-preview-link-input" class="screen-reader-text"><?php esc_html_e( 'Preview Link' ); ?></label> 4268 <a href="" target=""> 4269 <span class="preview-control-element" data-component="url"></span> 4270 <span class="screen-reader-text"><?php _e( '(opens in a new tab)' ); ?></span> 4271 </a> 4272 <input id="{{ elementPrefix }}customize-preview-link-input" readonly tabindex="-1" class="preview-control-element" data-component="input"> 4273 <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> 4274 </div> 4275 </script> 4276 <script type="text/html" id="tmpl-customize-selected-changeset-status-control"> 4277 <# var inputId = _.uniqueId( 'customize-selected-changeset-status-control-input-' ); #> 4278 <# var descriptionId = _.uniqueId( 'customize-selected-changeset-status-control-description-' ); #> 4279 <# if ( data.label ) { #> 4280 <label for="{{ inputId }}" class="customize-control-title">{{ data.label }}</label> 4281 <# } #> 4282 <# if ( data.description ) { #> 4283 <span id="{{ descriptionId }}" class="description customize-control-description">{{{ data.description }}}</span> 4284 <# } #> 4285 <# _.each( data.choices, function( choice ) { #> 4286 <# var choiceId = inputId + '-' + choice.status; #> 4287 <span class="customize-inside-control-row"> 4288 <input id="{{ choiceId }}" type="radio" value="{{ choice.status }}" name="{{ inputId }}" data-customize-setting-key-link="default"> 4289 <label for="{{ choiceId }}">{{ choice.label }}</label> 4290 </span> 4291 <# } ); #> 4292 </script> 4293 <?php 4294 } 4295 4296 /** 4297 * Helper function to compare two objects by priority, ensuring sort stability via instance_number. 4298 * 4299 * @since 3.4.0 4300 * @deprecated 4.7.0 Use wp_list_sort() 4301 * 4302 * @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $a Object A. 4303 * @param WP_Customize_Panel|WP_Customize_Section|WP_Customize_Control $b Object B. 4304 * @return int 4305 */ 4306 protected function _cmp_priority( $a, $b ) { 4307 _deprecated_function( __METHOD__, '4.7.0', 'wp_list_sort' ); 4308 4309 if ( $a->priority === $b->priority ) { 4310 return $a->instance_number - $b->instance_number; 4311 } else { 4312 return $a->priority - $b->priority; 4313 } 4314 } 4315 4316 /** 4317 * Prepare panels, sections, and controls. 4318 * 4319 * For each, check if required related components exist, 4320 * whether the user has the necessary capabilities, 4321 * and sort by priority. 4322 * 4323 * @since 3.4.0 4324 */ 4325 public function prepare_controls() { 4326 4327 $controls = array(); 4328 $this->controls = wp_list_sort( 4329 $this->controls, 4330 array( 4331 'priority' => 'ASC', 4332 'instance_number' => 'ASC', 4333 ), 4334 'ASC', 4335 true 4336 ); 4337 4338 foreach ( $this->controls as $id => $control ) { 4339 if ( ! isset( $this->sections[ $control->section ] ) || ! $control->check_capabilities() ) { 4340 continue; 4341 } 4342 4343 $this->sections[ $control->section ]->controls[] = $control; 4344 $controls[ $id ] = $control; 4345 } 4346 $this->controls = $controls; 4347 4348 // Prepare sections. 4349 $this->sections = wp_list_sort( 4350 $this->sections, 4351 array( 4352 'priority' => 'ASC', 4353 'instance_number' => 'ASC', 4354 ), 4355 'ASC', 4356 true 4357 ); 4358 $sections = array(); 4359 4360 foreach ( $this->sections as $section ) { 4361 if ( ! $section->check_capabilities() ) { 4362 continue; 4363 } 4364 4365 $section->controls = wp_list_sort( 4366 $section->controls, 4367 array( 4368 'priority' => 'ASC', 4369 'instance_number' => 'ASC', 4370 ) 4371 ); 4372 4373 if ( ! $section->panel ) { 4374 // Top-level section. 4375 $sections[ $section->id ] = $section; 4376 } else { 4377 // This section belongs to a panel. 4378 if ( isset( $this->panels [ $section->panel ] ) ) { 4379 $this->panels[ $section->panel ]->sections[ $section->id ] = $section; 4380 } 4381 } 4382 } 4383 $this->sections = $sections; 4384 4385 // Prepare panels. 4386 $this->panels = wp_list_sort( 4387 $this->panels, 4388 array( 4389 'priority' => 'ASC', 4390 'instance_number' => 'ASC', 4391 ), 4392 'ASC', 4393 true 4394 ); 4395 $panels = array(); 4396 4397 foreach ( $this->panels as $panel ) { 4398 if ( ! $panel->check_capabilities() ) { 4399 continue; 4400 } 4401 4402 $panel->sections = wp_list_sort( 4403 $panel->sections, 4404 array( 4405 'priority' => 'ASC', 4406 'instance_number' => 'ASC', 4407 ), 4408 'ASC', 4409 true 4410 ); 4411 $panels[ $panel->id ] = $panel; 4412 } 4413 $this->panels = $panels; 4414 4415 // Sort panels and top-level sections together. 4416 $this->containers = array_merge( $this->panels, $this->sections ); 4417 $this->containers = wp_list_sort( 4418 $this->containers, 4419 array( 4420 'priority' => 'ASC', 4421 'instance_number' => 'ASC', 4422 ), 4423 'ASC', 4424 true 4425 ); 4426 } 4427 4428 /** 4429 * Enqueue scripts for customize controls. 4430 * 4431 * @since 3.4.0 4432 */ 4433 public function enqueue_control_scripts() { 4434 foreach ( $this->controls as $control ) { 4435 $control->enqueue(); 4436 } 4437 4438 if ( ! is_multisite() && ( current_user_can( 'install_themes' ) || current_user_can( 'update_themes' ) || current_user_can( 'delete_themes' ) ) ) { 4439 wp_enqueue_script( 'updates' ); 4440 wp_localize_script( 4441 'updates', 4442 '_wpUpdatesItemCounts', 4443 array( 4444 'totals' => wp_get_update_data(), 4445 ) 4446 ); 4447 } 4448 } 4449 4450 /** 4451 * Determine whether the user agent is iOS. 4452 * 4453 * @since 4.4.0 4454 * 4455 * @return bool Whether the user agent is iOS. 4456 */ 4457 public function is_ios() { 4458 return wp_is_mobile() && preg_match( '/iPad|iPod|iPhone/', $_SERVER['HTTP_USER_AGENT'] ); 4459 } 4460 4461 /** 4462 * Get the template string for the Customizer pane document title. 4463 * 4464 * @since 4.4.0 4465 * 4466 * @return string The template string for the document title. 4467 */ 4468 public function get_document_title_template() { 4469 if ( $this->is_theme_active() ) { 4470 /* translators: %s: document title from the preview */ 4471 $document_title_tmpl = __( 'Customize: %s' ); 4472 } else { 4473 /* translators: %s: document title from the preview */ 4474 $document_title_tmpl = __( 'Live Preview: %s' ); 4475 } 4476 $document_title_tmpl = html_entity_decode( $document_title_tmpl, ENT_QUOTES, 'UTF-8' ); // Because exported to JS and assigned to document.title. 4477 return $document_title_tmpl; 4478 } 4479 4480 /** 4481 * Set the initial URL to be previewed. 4482 * 4483 * URL is validated. 4484 * 4485 * @since 4.4.0 4486 * 4487 * @param string $preview_url URL to be previewed. 4488 */ 4489 public function set_preview_url( $preview_url ) { 4490 $preview_url = esc_url_raw( $preview_url ); 4491 $this->preview_url = wp_validate_redirect( $preview_url, home_url( '/' ) ); 4492 } 4493 4494 /** 4495 * Get the initial URL to be previewed. 4496 * 4497 * @since 4.4.0 4498 * 4499 * @return string URL being previewed. 4500 */ 4501 public function get_preview_url() { 4502 if ( empty( $this->preview_url ) ) { 4503 $preview_url = home_url( '/' ); 4504 } else { 4505 $preview_url = $this->preview_url; 4506 } 4507 return $preview_url; 4508 } 4509 4510 /** 4511 * Determines whether the admin and the frontend are on different domains. 4512 * 4513 * @since 4.7.0 4514 * 4515 * @return bool Whether cross-domain. 4516 */ 4517 public function is_cross_domain() { 4518 $admin_origin = wp_parse_url( admin_url() ); 4519 $home_origin = wp_parse_url( home_url() ); 4520 $cross_domain = ( strtolower( $admin_origin['host'] ) !== strtolower( $home_origin['host'] ) ); 4521 return $cross_domain; 4522 } 4523 4524 /** 4525 * Get URLs allowed to be previewed. 4526 * 4527 * If the front end and the admin are served from the same domain, load the 4528 * preview over ssl if the Customizer is being loaded over ssl. This avoids 4529 * insecure content warnings. This is not attempted if the admin and front end 4530 * are on different domains to avoid the case where the front end doesn't have 4531 * ssl certs. Domain mapping plugins can allow other urls in these conditions 4532 * using the customize_allowed_urls filter. 4533 * 4534 * @since 4.7.0 4535 * 4536 * @returns array Allowed URLs. 4537 */ 4538 public function get_allowed_urls() { 4539 $allowed_urls = array( home_url( '/' ) ); 4540 4541 if ( is_ssl() && ! $this->is_cross_domain() ) { 4542 $allowed_urls[] = home_url( '/', 'https' ); 4543 } 4544 4545 /** 4546 * Filters the list of URLs allowed to be clicked and followed in the Customizer preview. 4547 * 4548 * @since 3.4.0 4549 * 4550 * @param string[] $allowed_urls An array of allowed URLs. 4551 */ 4552 $allowed_urls = array_unique( apply_filters( 'customize_allowed_urls', $allowed_urls ) ); 4553 4554 return $allowed_urls; 4555 } 4556 4557 /** 4558 * Get messenger channel. 4559 * 4560 * @since 4.7.0 4561 * 4562 * @return string Messenger channel. 4563 */ 4564 public function get_messenger_channel() { 4565 return $this->messenger_channel; 4566 } 4567 4568 /** 4569 * Set URL to link the user to when closing the Customizer. 4570 * 4571 * URL is validated. 4572 * 4573 * @since 4.4.0 4574 * 4575 * @param string $return_url URL for return link. 4576 */ 4577 public function set_return_url( $return_url ) { 4578 $return_url = esc_url_raw( $return_url ); 4579 $return_url = remove_query_arg( wp_removable_query_args(), $return_url ); 4580 $return_url = wp_validate_redirect( $return_url ); 4581 $this->return_url = $return_url; 4582 } 4583 4584 /** 4585 * Get URL to link the user to when closing the Customizer. 4586 * 4587 * @since 4.4.0 4588 * 4589 * @return string URL for link to close Customizer. 4590 */ 4591 public function get_return_url() { 4592 $referer = wp_get_referer(); 4593 $excluded_referer_basenames = array( 'customize.php', 'wp-login.php' ); 4594 4595 if ( $this->return_url ) { 4596 $return_url = $this->return_url; 4597 } elseif ( $referer && ! in_array( wp_basename( parse_url( $referer, PHP_URL_PATH ) ), $excluded_referer_basenames, true ) ) { 4598 $return_url = $referer; 4599 } elseif ( $this->preview_url ) { 4600 $return_url = $this->preview_url; 4601 } else { 4602 $return_url = home_url( '/' ); 4603 } 4604 return $return_url; 4605 } 4606 4607 /** 4608 * Set the autofocused constructs. 4609 * 4610 * @since 4.4.0 4611 * 4612 * @param array $autofocus { 4613 * Mapping of 'panel', 'section', 'control' to the ID which should be autofocused. 4614 * 4615 * @type string [$control] ID for control to be autofocused. 4616 * @type string [$section] ID for section to be autofocused. 4617 * @type string [$panel] ID for panel to be autofocused. 4618 * } 4619 */ 4620 public function set_autofocus( $autofocus ) { 4621 $this->autofocus = array_filter( wp_array_slice_assoc( $autofocus, array( 'panel', 'section', 'control' ) ), 'is_string' ); 4622 } 4623 4624 /** 4625 * Get the autofocused constructs. 4626 * 4627 * @since 4.4.0 4628 * 4629 * @return array { 4630 * Mapping of 'panel', 'section', 'control' to the ID which should be autofocused. 4631 * 4632 * @type string [$control] ID for control to be autofocused. 4633 * @type string [$section] ID for section to be autofocused. 4634 * @type string [$panel] ID for panel to be autofocused. 4635 * } 4636 */ 4637 public function get_autofocus() { 4638 return $this->autofocus; 4639 } 4640 4641 /** 4642 * Get nonces for the Customizer. 4643 * 4644 * @since 4.5.0 4645 * 4646 * @return array Nonces. 4647 */ 4648 public function get_nonces() { 4649 $nonces = array( 4650 'save' => wp_create_nonce( 'save-customize_' . $this->get_stylesheet() ), 4651 'preview' => wp_create_nonce( 'preview-customize_' . $this->get_stylesheet() ), 4652 'switch_themes' => wp_create_nonce( 'switch_themes' ), 4653 'dismiss_autosave_or_lock' => wp_create_nonce( 'customize_dismiss_autosave_or_lock' ), 4654 'override_lock' => wp_create_nonce( 'customize_override_changeset_lock' ), 4655 'trash' => wp_create_nonce( 'trash_customize_changeset' ), 4656 ); 4657 4658 /** 4659 * Filters nonces for Customizer. 4660 * 4661 * @since 4.2.0 4662 * 4663 * @param string[] $nonces Array of refreshed nonces for save and 4664 * preview actions. 4665 * @param WP_Customize_Manager $this WP_Customize_Manager instance. 4666 */ 4667 $nonces = apply_filters( 'customize_refresh_nonces', $nonces, $this ); 4668 4669 return $nonces; 4670 } 4671 4672 /** 4673 * Print JavaScript settings for parent window. 4674 * 4675 * @since 4.4.0 4676 */ 4677 public function customize_pane_settings() { 4678 4679 $login_url = add_query_arg( 4680 array( 4681 'interim-login' => 1, 4682 'customize-login' => 1, 4683 ), 4684 wp_login_url() 4685 ); 4686 4687 // Ensure dirty flags are set for modified settings. 4688 foreach ( array_keys( $this->unsanitized_post_values() ) as $setting_id ) { 4689 $setting = $this->get_setting( $setting_id ); 4690 if ( $setting ) { 4691 $setting->dirty = true; 4692 } 4693 } 4694 4695 $autosave_revision_post = null; 4696 $autosave_autodraft_post = null; 4697 $changeset_post_id = $this->changeset_post_id(); 4698 if ( ! $this->saved_starter_content_changeset && ! $this->autosaved() ) { 4699 if ( $changeset_post_id ) { 4700 if ( is_user_logged_in() ) { 4701 $autosave_revision_post = wp_get_post_autosave(