| 1 |
<?php |
| 2 |
/** |
| 3 |
* Registers the private CPTs that store user-defined content types: |
| 4 |
* - wp_user_taxonomy (user-defined taxonomies) |
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* - wp_user_post_type (user-defined post types) |
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* |
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* Each record holds the registration intent for one taxonomy or post type. |
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* On `init`, the corresponding files read each published record and call |
| 9 |
* `register_taxonomy()` / `register_post_type()` for it. |
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* |
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* @package gutenberg |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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require_once __DIR__ . '/class-wp-rest-user-taxonomies-controller-gutenberg.php'; |
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require_once __DIR__ . '/class-wp-rest-user-post-types-controller-gutenberg.php'; |
| 20 |
|
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/** |
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* Post meta key that stores the post types attached to a user-defined |
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* taxonomy. Stored as meta (rather than inside the `post_content` JSON |
| 24 |
* with the rest of the config) so listings can filter on it via |
| 25 |
* `meta_query`. Underscore-prefixed so it's treated as protected meta. |
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* Surfaced in REST as the typed top-level `object_type` field. |
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*/ |
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const GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY = '_wp_user_taxonomy_object_type'; |
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|
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/** |
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* Self-identifying key embedded in stored `post_content` JSON. Mirrors |
| 32 |
* core's `isGlobalStylesUserThemeJSON` for `wp_global_styles`. |
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* |
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* Not load-bearing today: writes are sanitized via `wp_insert_post_data`, |
| 35 |
* which carries `post_type` context, so payload identification doesn't |
| 36 |
* need a marker. The marker is preserved as a forward-compat anchor for |
| 37 |
* a content-only fallback sanitizer — e.g., if a future write path turns |
| 38 |
* out to bypass `wp_insert_post_data`, or a kses-ordering issue forces a |
| 39 |
* fallback to `content_save_pre`. In those scenarios a content-only |
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* sanitizer can't safely identify our payloads without a marker, and |
| 41 |
* retroactively migrating stored records across WP installs is not |
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* practical, so the marker is present from day one. |
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* |
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* Storage-only: kept out of the REST schema and stripped on read so it |
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* never reaches clients. |
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*/ |
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const GUTENBERG_USER_TAXONOMY_CONFIG_MARKER = 'isUserTaxonomyConfigJSON'; |
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|
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/** |
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* Regex for a valid taxonomy slug. 32 chars matches the `wp_terms.slug` |
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* column width. |
| 52 |
*/ |
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const GUTENBERG_USER_TAXONOMY_SLUG_PATTERN = '/^[a-z0-9_-]{1,32}$/'; |
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|
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/** |
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* Option key flagging that the next `init` should regenerate rewrite rules. |
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* Set by the REST controllers when a wp_user_post_type or wp_user_taxonomy |
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* write changes a field that affects rewrite rules (slug, has_archive, |
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* public) or toggles whether the record is registered. |
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*/ |
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const GUTENBERG_USER_CONTENT_TYPES_FLUSH_OPTION = '_gutenberg_user_content_types_flush_rewrite_rules'; |
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|
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/** |
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* Flags the next `init` to regenerate rewrite rules. Flushing inline in the |
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* REST handler would regenerate against the pre-update registration — the |
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* post type / taxonomy registers at `init` priority 20, before the REST |
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* request handler runs, so by the time we'd flush, the registered state |
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* still reflects the old record. Deferring to the next request's |
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* `init` (priority 30, after registration runs against the new record) |
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* picks up the new rewrite rules. |
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*/ |
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function gutenberg_user_content_types_schedule_flush_rewrite_rules() { |
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// Autoload off — the option is short-lived (cleared on next init), and |
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// keeping it out of the alloptions cache means a stray uncleared row |
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// can't bloat every page load. |
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update_option( GUTENBERG_USER_CONTENT_TYPES_FLUSH_OPTION, '1', false ); |
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} |
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|
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/** |
| 80 |
* Regenerates the rewrite rules option if a recent write scheduled a flush. |
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* |
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* Runs at `init` priority 30 — after `register_post_type()` and |
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* `register_taxonomy()` have been called for user-defined records at |
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* priority 20, so the regenerated rules see the new registration state. |
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* |
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* Soft flush only — the standard `.htaccess` block doesn't depend on |
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* individual post type or taxonomy registrations, so there's nothing for |
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* a hard flush to update there, and avoiding the file write keeps this |
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* cheap. |
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*/ |
| 91 |
function gutenberg_user_content_types_maybe_flush_rewrite_rules() { |
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if ( ! get_option( GUTENBERG_USER_CONTENT_TYPES_FLUSH_OPTION ) ) { |
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return; |
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} |
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delete_option( GUTENBERG_USER_CONTENT_TYPES_FLUSH_OPTION ); |
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flush_rewrite_rules( false ); |
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} |
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add_action( 'init', 'gutenberg_user_content_types_maybe_flush_rewrite_rules', 30 ); |
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|
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/** |
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* Registers the wp_user_taxonomy CPT. |
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*/ |
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function gutenberg_register_user_taxonomy_cpt() { |
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register_post_type( |
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'wp_user_taxonomy', |
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array( |
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'labels' => array( |
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'name' => __( 'User taxonomies', 'gutenberg' ), |
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'singular_name' => __( 'User taxonomy', 'gutenberg' ), |
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'add_new_item' => __( 'Add taxonomy', 'gutenberg' ), |
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), |
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'public' => false, |
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'publicly_queryable' => false, |
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'show_ui' => false, |
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'show_in_menu' => false, |
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'show_in_rest' => true, |
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'rest_base' => 'user-taxonomies', |
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'rest_controller_class' => 'WP_REST_User_Taxonomies_Controller_Gutenberg', |
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'capability_type' => 'post', |
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'capabilities' => array( |
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/** |
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* Capability map: every write operation requires `manage_options`. |
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* Read is allowed for any authenticated user that can `edit_posts` so the |
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* REST endpoint can be consumed by the Settings pages without exposing the |
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* records to unauthenticated visitors. |
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*/ |
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'read' => 'edit_posts', |
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'create_posts' => 'manage_options', |
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'edit_posts' => 'manage_options', |
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'edit_published_posts' => 'manage_options', |
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'delete_posts' => 'manage_options', |
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'delete_published_posts' => 'manage_options', |
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'edit_others_posts' => 'manage_options', |
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'delete_others_posts' => 'manage_options', |
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'publish_posts' => 'manage_options', |
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), |
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'map_meta_cap' => true, |
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'supports' => array( 'title', 'editor' ), |
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'hierarchical' => false, |
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'has_archive' => false, |
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'rewrite' => false, |
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'query_var' => false, |
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'_builtin' => true, /* internal use only. don't use this when registering your own post type. */ |
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) |
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); |
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|
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register_post_meta( |
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'wp_user_taxonomy', |
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GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY, |
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array( |
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// One row per attached post type, so `meta_query IN` can filter |
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// listings by individual slug. |
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'single' => false, |
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'type' => 'string', |
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// Surfaced via the REST controller as a top-level `object_type` array. |
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// Setting `show_in_rest => false` keeps the raw meta key out of the |
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// REST response so clients only see the typed field. |
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'show_in_rest' => false, |
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'sanitize_callback' => 'sanitize_key', |
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) |
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); |
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} |
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|
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add_action( 'init', 'gutenberg_register_user_taxonomy_cpt' ); |
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|
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/** |
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* Sanitizes a decoded taxonomy config to the canonical shape declared by |
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* the REST controller's config schema. Single sanitization site for |
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* taxonomy records — called from {@see gutenberg_filter_user_taxonomy_post_content} |
| 170 |
* on `wp_insert_post_data`. |
| 171 |
* |
| 172 |
* @param array $config Raw decoded config. |
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* @return array Sanitized config. |
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*/ |
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function gutenberg_user_taxonomy_sanitize_config( $config ) { |
| 176 |
if ( ! is_array( $config ) ) { |
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return array(); |
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} |
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|
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$clean = rest_sanitize_value_from_schema( |
| 181 |
$config, |
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WP_REST_User_Taxonomies_Controller_Gutenberg::get_config_schema() |
| 183 |
); |
| 184 |
if ( ! is_array( $clean ) ) { |
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return array(); |
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} |
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|
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// `rest_sanitize_value_from_schema()` casts strings to their declared |
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// type but doesn't strip HTML or control characters, so layer that on. |
| 190 |
if ( isset( $clean['description'] ) ) { |
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$clean['description'] = sanitize_textarea_field( (string) $clean['description'] ); |
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} |
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if ( isset( $clean['labels'] ) && is_array( $clean['labels'] ) ) { |
| 194 |
foreach ( $clean['labels'] as $key => $value ) { |
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$clean['labels'][ $key ] = sanitize_text_field( (string) $value ); |
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} |
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} |
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|
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return $clean; |
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} |
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|
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/** |
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* Sanitizes wp_user_taxonomy JSON `post_content` during `wp_insert_post`. |
| 204 |
* |
| 205 |
* Acts on posts of type `wp_user_taxonomy`. Returns input unchanged for |
| 206 |
* any other post type. Invalid JSON is normalized to the canonical |
| 207 |
* marker-only payload rather than passed through. The filter is |
| 208 |
* unconditional — taxonomy config isn't HTML and shouldn't carry scripts |
| 209 |
* even for users with `unfiltered_html`. |
| 210 |
* |
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* @param array $data Slashed post data being inserted/updated. |
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* @return array Filtered data. |
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*/ |
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function gutenberg_filter_user_taxonomy_post_content( $data ) { |
| 215 |
if ( ! isset( $data['post_type'], $data['post_content'] ) ) { |
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return $data; |
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} |
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|
| 219 |
if ( 'wp_user_taxonomy' !== $data['post_type'] ) { |
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return $data; |
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} |
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|
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$decoded = json_decode( wp_unslash( (string) $data['post_content'] ), true ); |
| 224 |
if ( JSON_ERROR_NONE !== json_last_error() || ! is_array( $decoded ) ) { |
| 225 |
// Hedge: invalid JSON falls through to a canonical empty payload so |
| 226 |
// a stray read path can't surface arbitrary bytes. The marker is |
| 227 |
// added below, keeping the stored shape uniform. |
| 228 |
$decoded = array(); |
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} |
| 230 |
|
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$clean = gutenberg_user_taxonomy_sanitize_config( $decoded ); |
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|
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// Storage-only marker: deliberately not in the REST schema so it can |
| 234 |
// never reach clients. Kept as a forward-compat anchor for a |
| 235 |
// content-only fallback sanitizer; full rationale on the const. |
| 236 |
$clean[ GUTENBERG_USER_TAXONOMY_CONFIG_MARKER ] = true; |
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|
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// `wp_insert_post_data` is the last filter before the row is written, |
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// so the re-encode here is what lands in the database. |
| 240 |
// `JSON_HEX_TAG | JSON_HEX_AMP` guarantee the stored bytes carry no |
| 241 |
// live `<`, `>`, or `&`, so any subsequent pass through kses (on |
| 242 |
// later updates or on display) sees an inert string. kses on |
| 243 |
// `content_save_pre` already ran earlier in `wp_insert_post()`; for |
| 244 |
// REST writes that input was pre-escaped by |
| 245 |
// `prepare_item_for_database`, so that earlier pass was also a no-op. |
| 246 |
$data['post_content'] = wp_slash( |
| 247 |
wp_json_encode( |
| 248 |
WP_REST_User_Taxonomies_Controller_Gutenberg::normalize_config_for_encode( $clean ), |
| 249 |
JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP |
| 250 |
) |
| 251 |
); |
| 252 |
|
| 253 |
return $data; |
| 254 |
} |
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add_filter( 'wp_insert_post_data', 'gutenberg_filter_user_taxonomy_post_content' ); |
| 256 |
|
| 257 |
/** |
| 258 |
* Reads the stored object_type meta values for a record, filtering down to |
| 259 |
* post types that currently exist. |
| 260 |
* |
| 261 |
* @param int $post_id Record ID. |
| 262 |
* @return string[] |
| 263 |
*/ |
| 264 |
function gutenberg_user_taxonomy_read_object_type( $post_id ) { |
| 265 |
$values = get_post_meta( $post_id, GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY ); |
| 266 |
if ( ! is_array( $values ) ) { |
| 267 |
return array(); |
| 268 |
} |
| 269 |
$out = array(); |
| 270 |
foreach ( $values as $value ) { |
| 271 |
if ( is_string( $value ) && post_type_exists( $value ) ) { |
| 272 |
$out[] = $value; |
| 273 |
} |
| 274 |
} |
| 275 |
return array_values( array_unique( $out ) ); |
| 276 |
} |
| 277 |
|
| 278 |
/** |
| 279 |
* Appends a post-type slug to a wp_user_taxonomy record's |
| 280 |
* `_wp_user_taxonomy_object_type` meta if not already present. No-op if |
| 281 |
* the slug is already attached. |
| 282 |
* |
| 283 |
* @param int $tax_post_id wp_user_taxonomy record ID. |
| 284 |
* @param string $object_type Post type slug to attach. |
| 285 |
*/ |
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function gutenberg_user_taxonomy_attach_object_type( $tax_post_id, $object_type ) { |
| 287 |
if ( 'wp_user_taxonomy' !== get_post_type( $tax_post_id ) ) { |
| 288 |
return; |
| 289 |
} |
| 290 |
$clean = is_string( $object_type ) ? sanitize_key( $object_type ) : ''; |
| 291 |
if ( '' === $clean ) { |
| 292 |
return; |
| 293 |
} |
| 294 |
$existing = (array) get_post_meta( $tax_post_id, GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY ); |
| 295 |
if ( in_array( $clean, $existing, true ) ) { |
| 296 |
return; |
| 297 |
} |
| 298 |
add_post_meta( $tax_post_id, GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY, $clean ); |
| 299 |
} |
| 300 |
|
| 301 |
/** |
| 302 |
* Removes a single post-type slug from a wp_user_taxonomy record's |
| 303 |
* `_wp_user_taxonomy_object_type` meta. Other slugs remain. |
| 304 |
* |
| 305 |
* @param int $tax_post_id wp_user_taxonomy record ID. |
| 306 |
* @param string $object_type Post type slug to detach. |
| 307 |
*/ |
| 308 |
function gutenberg_user_taxonomy_detach_object_type( $tax_post_id, $object_type ) { |
| 309 |
if ( 'wp_user_taxonomy' !== get_post_type( $tax_post_id ) ) { |
| 310 |
return; |
| 311 |
} |
| 312 |
$clean = is_string( $object_type ) ? sanitize_key( $object_type ) : ''; |
| 313 |
if ( '' === $clean ) { |
| 314 |
return; |
| 315 |
} |
| 316 |
delete_post_meta( $tax_post_id, GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY, $clean ); |
| 317 |
} |
| 318 |
|
| 319 |
/** |
| 320 |
* Replaces every `_wp_user_taxonomy_object_type` meta row on a record |
| 321 |
* with the given list. Each value is sanitized via `sanitize_key()` and |
| 322 |
* filtered against `post_type_exists()` so only registered post types |
| 323 |
* land in storage; duplicates are collapsed. |
| 324 |
* |
| 325 |
* @param int $tax_post_id wp_user_taxonomy record ID. |
| 326 |
* @param array<int, string> $object_types Post type slugs to store. |
| 327 |
*/ |
| 328 |
function gutenberg_user_taxonomy_replace_object_types( $tax_post_id, array $object_types ) { |
| 329 |
$values = array(); |
| 330 |
foreach ( $object_types as $slug ) { |
| 331 |
if ( ! is_string( $slug ) ) { |
| 332 |
continue; |
| 333 |
} |
| 334 |
$clean = sanitize_key( $slug ); |
| 335 |
if ( '' !== $clean && post_type_exists( $clean ) ) { |
| 336 |
$values[] = $clean; |
| 337 |
} |
| 338 |
} |
| 339 |
$values = array_values( array_unique( $values ) ); |
| 340 |
|
| 341 |
delete_post_meta( $tax_post_id, GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY ); |
| 342 |
foreach ( $values as $slug ) { |
| 343 |
add_post_meta( $tax_post_id, GUTENBERG_USER_TAXONOMY_OBJECT_TYPE_META_KEY, $slug ); |
| 344 |
} |
| 345 |
} |
| 346 |
|
| 347 |
/** |
| 348 |
* Builds register_taxonomy() arguments from a wp_user_taxonomy record. |
| 349 |
* Returns null for invalid records so callers can skip them uniformly. |
| 350 |
* |
| 351 |
* @param WP_Post $record Stored taxonomy record. |
| 352 |
* @return array{0: string, 1: string[], 2: array}|null [ $slug, $object_type, $args ]. |
| 353 |
*/ |
| 354 |
function gutenberg_build_user_taxonomy_args( WP_Post $record ) { |
| 355 |
$slug = $record->post_name; |
| 356 |
if ( ! is_string( $slug ) || ! preg_match( GUTENBERG_USER_TAXONOMY_SLUG_PATTERN, $slug ) ) { |
| 357 |
return null; |
| 358 |
} |
| 359 |
|
| 360 |
$decoded = json_decode( (string) $record->post_content, true, 8 ); |
| 361 |
if ( JSON_ERROR_NONE !== json_last_error() || ! is_array( $decoded ) ) { |
| 362 |
return null; |
| 363 |
} |
| 364 |
unset( $decoded[ GUTENBERG_USER_TAXONOMY_CONFIG_MARKER ] ); |
| 365 |
// Storage is sanitized at write-time by the filter on |
| 366 |
// `wp_insert_post_data`, so we trust the decoded shape here. |
| 367 |
$config = $decoded; |
| 368 |
|
| 369 |
$object_type = gutenberg_user_taxonomy_read_object_type( $record->ID ); |
| 370 |
|
| 371 |
$title = sanitize_text_field( $record->post_title ); |
| 372 |
$singular = isset( $config['labels']['singular_name'] ) |
| 373 |
? (string) $config['labels']['singular_name'] |
| 374 |
: ''; |
| 375 |
$labels = array( |
| 376 |
'name' => $title, |
| 377 |
'singular_name' => '' !== $singular ? $singular : $title, |
| 378 |
); |
| 379 |
|
| 380 |
// Merge optional label overrides. The sanitizer has already pruned |
| 381 |
// unknown keys against the schema, so we can trust whatever the stored |
| 382 |
// labels object contains. Empty strings fall through to the |
| 383 |
// WordPress-generated defaults. |
| 384 |
$stored_labels = isset( $config['labels'] ) && is_array( $config['labels'] ) |
| 385 |
? $config['labels'] |
| 386 |
: array(); |
| 387 |
foreach ( array_keys( $stored_labels ) as $label_key ) { |
| 388 |
if ( 'singular_name' === $label_key ) { |
| 389 |
continue; |
| 390 |
} |
| 391 |
if ( ! empty( $stored_labels[ $label_key ] ) ) { |
| 392 |
$labels[ $label_key ] = (string) $stored_labels[ $label_key ]; |
| 393 |
} |
| 394 |
} |
| 395 |
|
| 396 |
$args = array( |
| 397 |
'labels' => $labels, |
| 398 |
); |
| 399 |
|
| 400 |
if ( ! empty( $config['description'] ) ) { |
| 401 |
$args['description'] = (string) $config['description']; |
| 402 |
} |
| 403 |
|
| 404 |
$bool_keys = array( |
| 405 |
'public', |
| 406 |
'hierarchical', |
| 407 |
'publicly_queryable', |
| 408 |
'show_ui', |
| 409 |
'show_in_menu', |
| 410 |
'show_in_nav_menus', |
| 411 |
'show_tagcloud', |
| 412 |
'show_in_quick_edit', |
| 413 |
'show_admin_column', |
| 414 |
'sort', |
| 415 |
); |
| 416 |
foreach ( $bool_keys as $key ) { |
| 417 |
if ( array_key_exists( $key, $config ) ) { |
| 418 |
$args[ $key ] = (bool) $config[ $key ]; |
| 419 |
} |
| 420 |
} |
| 421 |
$args['show_in_rest'] = isset( $config['show_in_rest'] ) ? (bool) $config['show_in_rest'] : true; |
| 422 |
|
| 423 |
if ( isset( $config['default_term']['name'] ) ) { |
| 424 |
$default_term_name = sanitize_text_field( (string) $config['default_term']['name'] ); |
| 425 |
if ( '' !== $default_term_name ) { |
| 426 |
$args['default_term'] = array( 'name' => $default_term_name ); |
| 427 |
} |
| 428 |
} |
| 429 |
|
| 430 |
return array( $slug, $object_type, $args ); |
| 431 |
} |
| 432 |
|
| 433 |
/** |
| 434 |
* Reads each published wp_user_taxonomy record and calls register_taxonomy() |
| 435 |
* with a tightly-validated subset of its stored config. |
| 436 |
*/ |
| 437 |
function gutenberg_register_user_defined_taxonomies() { |
| 438 |
$records = get_posts( |
| 439 |
array( |
| 440 |
'post_type' => 'wp_user_taxonomy', |
| 441 |
// Drafts are skipped so the Edit "Active" toggle gates registration. |
| 442 |
'post_status' => 'publish', |
| 443 |
'posts_per_page' => -1, |
| 444 |
'no_found_rows' => true, |
| 445 |
'suppress_filters' => true, |
| 446 |
) |
| 447 |
); |
| 448 |
|
| 449 |
foreach ( $records as $record ) { |
| 450 |
$built = gutenberg_build_user_taxonomy_args( $record ); |
| 451 |
if ( null === $built ) { |
| 452 |
continue; |
| 453 |
} |
| 454 |
list( $slug, $object_type, $args ) = $built; |
| 455 |
|
| 456 |
// Defense-in-depth: never overwrite an existing taxonomy registration, |
| 457 |
// even if a bad record slipped past server-side slug validation. |
| 458 |
if ( taxonomy_exists( $slug ) ) { |
| 459 |
continue; |
| 460 |
} |
| 461 |
|
| 462 |
register_taxonomy( $slug, $object_type, $args ); |
| 463 |
} |
| 464 |
} |
| 465 |
// Priority 25 — after gutenberg_register_user_defined_post_types() (priority 20) |
| 466 |
// so user CPT slugs exist when register_taxonomy() records the object_type association. |
| 467 |
add_action( 'init', 'gutenberg_register_user_defined_taxonomies', 25 ); |
| 468 |
|
