| 1 |
<?php |
| 2 |
/** |
| 3 |
* REST API: Bundle WP_Theme_JSON class instead of inheriting per WordPress version class |
| 4 |
* |
| 5 |
* Changes to this class should be synced to the corresponding class |
| 6 |
* in WordPress core: src/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php. |
| 7 |
* |
| 8 |
* @package gutenberg |
| 9 |
* @subpackage REST_API |
| 10 |
* @since 5.9.0 |
| 11 |
*/ |
| 12 |
|
| 13 |
/** |
| 14 |
* Base Global Styles REST API Controller. |
| 15 |
*/ |
| 16 |
class WP_REST_Global_Styles_Controller_Gutenberg extends WP_REST_Posts_Controller { |
| 17 |
|
| 18 |
/** |
| 19 |
* Whether the controller supports batching. |
| 20 |
* |
| 21 |
* @since 6.6.0 |
| 22 |
* @var array |
| 23 |
*/ |
| 24 |
protected $allow_batch = array( 'v1' => false ); |
| 25 |
|
| 26 |
/** |
| 27 |
* Constructor. |
| 28 |
* |
| 29 |
* @since 5.9.0 |
| 30 |
*/ |
| 31 |
/** |
| 32 |
* Constructor. |
| 33 |
* |
| 34 |
* @since 6.6.0 |
| 35 |
* |
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* @param string $post_type Post type. |
| 37 |
*/ |
| 38 |
public function __construct( $post_type = 'wp_global_styles' ) { |
| 39 |
parent::__construct( $post_type ); |
| 40 |
} |
| 41 |
|
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/** |
| 43 |
* Registers the controllers routes. |
| 44 |
* |
| 45 |
* @since 5.9.0 |
| 46 |
*/ |
| 47 |
public function register_routes() { |
| 48 |
register_rest_route( |
| 49 |
$this->namespace, |
| 50 |
'/' . $this->rest_base . '/themes/(?P<stylesheet>[\/\s%\w\.\(\)\[\]\@_\-]+)/variations', |
| 51 |
array( |
| 52 |
array( |
| 53 |
'methods' => WP_REST_Server::READABLE, |
| 54 |
'callback' => array( $this, 'get_theme_items' ), |
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'permission_callback' => array( $this, 'get_theme_items_permissions_check' ), |
| 56 |
'args' => array( |
| 57 |
'stylesheet' => array( |
| 58 |
'description' => __( 'The theme identifier', 'gutenberg' ), |
| 59 |
'type' => 'string', |
| 60 |
), |
| 61 |
), |
| 62 |
'allow_batch' => $this->allow_batch, |
| 63 |
), |
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), |
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/* |
| 66 |
* $override is set to true to avoid conflicts with the core endpoint. |
| 67 |
* Do not sync to WordPress core. |
| 68 |
*/ |
| 69 |
true |
| 70 |
); |
| 71 |
|
| 72 |
// List themes global styles. |
| 73 |
register_rest_route( |
| 74 |
$this->namespace, |
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// The route. |
| 76 |
sprintf( |
| 77 |
'/%s/themes/(?P<stylesheet>%s)', |
| 78 |
$this->rest_base, |
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/* |
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* Matches theme's directory: `/themes/<subdirectory>/<theme>/` or `/themes/<theme>/`. |
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* Excludes invalid directory name characters: `/:<>*?"|`. |
| 82 |
*/ |
| 83 |
'[^\/:<>\*\?"\|]+(?:\/[^\/:<>\*\?"\|]+)?' |
| 84 |
), |
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array( |
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array( |
| 87 |
'methods' => WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_theme_item' ), |
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'permission_callback' => array( $this, 'get_theme_item_permissions_check' ), |
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'args' => array( |
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'stylesheet' => array( |
| 92 |
'description' => __( 'The theme identifier', 'gutenberg' ), |
| 93 |
'type' => 'string', |
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'sanitize_callback' => array( $this, '_sanitize_global_styles_callback' ), |
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), |
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), |
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'allow_batch' => $this->allow_batch, |
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), |
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), |
| 100 |
/* |
| 101 |
* $override is set to true to avoid conflicts with the core endpoint. |
| 102 |
* Do not sync to WordPress core. |
| 103 |
*/ |
| 104 |
true |
| 105 |
); |
| 106 |
|
| 107 |
// Lists/updates a single global style variation based on the given id. |
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register_rest_route( |
| 109 |
$this->namespace, |
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'/' . $this->rest_base . '/(?P<id>[\/\w-]+)', |
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array( |
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array( |
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'methods' => WP_REST_Server::READABLE, |
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'callback' => array( $this, 'get_item' ), |
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'permission_callback' => array( $this, 'get_item_permissions_check' ), |
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'args' => array( |
| 117 |
'id' => array( |
| 118 |
'description' => __( 'The id of a template', 'gutenberg' ), |
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'type' => 'string', |
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'sanitize_callback' => array( $this, '_sanitize_global_styles_callback' ), |
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), |
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), |
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), |
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array( |
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'methods' => WP_REST_Server::EDITABLE, |
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'callback' => array( $this, 'update_item' ), |
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'permission_callback' => array( $this, 'update_item_permissions_check' ), |
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'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ), |
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), |
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'schema' => array( $this, 'get_public_item_schema' ), |
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'allow_batch' => $this->allow_batch, |
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), |
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/* |
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* $override is set to true to avoid conflicts with the core endpoint. |
| 135 |
* Do not sync to WordPress core. |
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*/ |
| 137 |
true |
| 138 |
); |
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} |
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|
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/** |
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* Sanitize the global styles ID or stylesheet to decode endpoint. |
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* For example, `wp/v2/global-styles/twentytwentytwo%200.4.0` |
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* would be decoded to `twentytwentytwo 0.4.0`. |
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* |
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* @since 5.9.0 |
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* |
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* @param string $id_or_stylesheet Global styles ID or stylesheet. |
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* @return string Sanitized global styles ID or stylesheet. |
| 150 |
*/ |
| 151 |
public function _sanitize_global_styles_callback( $id_or_stylesheet ) { |
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return urldecode( $id_or_stylesheet ); |
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} |
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|
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/** |
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* Get the post, if the ID is valid. |
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* |
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* @since 5.9.0 |
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* |
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* @param int $id Supplied ID. |
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* @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise. |
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*/ |
| 163 |
protected function get_post( $id ) { |
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$error = new WP_Error( |
| 165 |
'rest_global_styles_not_found', |
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__( 'No global styles config exist with that id.', 'gutenberg' ), |
| 167 |
array( 'status' => 404 ) |
| 168 |
); |
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|
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$id = (int) $id; |
| 171 |
if ( $id <= 0 ) { |
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return $error; |
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} |
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|
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$post = get_post( $id ); |
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if ( empty( $post ) || empty( $post->ID ) || $this->post_type !== $post->post_type ) { |
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return $error; |
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} |
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|
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return $post; |
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} |
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|
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/** |
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* Checks if a given request has access to read a single global style. |
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* |
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* @since 5.9.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
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* @return true|WP_Error True if the request has read access, WP_Error object otherwise. |
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*/ |
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public function get_item_permissions_check( $request ) { |
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$post = $this->get_post( $request['id'] ); |
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if ( is_wp_error( $post ) ) { |
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return $post; |
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} |
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|
| 197 |
if ( 'edit' === $request['context'] && $post && ! $this->check_update_permission( $post ) ) { |
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return new WP_Error( |
| 199 |
'rest_forbidden_context', |
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__( 'Sorry, you are not allowed to edit this global style.', 'gutenberg' ), |
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array( 'status' => rest_authorization_required_code() ) |
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); |
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} |
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|
| 205 |
if ( ! $this->check_read_permission( $post ) ) { |
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return new WP_Error( |
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'rest_cannot_view', |
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__( 'Sorry, you are not allowed to view this global style.', 'gutenberg' ), |
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array( 'status' => rest_authorization_required_code() ) |
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); |
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} |
| 212 |
|
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return true; |
| 214 |
} |
| 215 |
|
| 216 |
/** |
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* Checks if a global style can be read. |
| 218 |
* |
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* @since 5.9.0 |
| 220 |
* |
| 221 |
* @param WP_Post $post Post object. |
| 222 |
* @return bool Whether the post can be read. |
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*/ |
| 224 |
public function check_read_permission( $post ) { |
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return current_user_can( 'read_post', $post->ID ); |
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} |
| 227 |
|
| 228 |
/** |
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* Checks if a given request has access to write a single global styles config. |
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* |
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* @since 5.9.0 |
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* |
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* @param WP_REST_Request $request Full details about the request. |
| 234 |
* @return true|WP_Error True if the request has write access for the item, WP_Error object otherwise. |
| 235 |
*/ |
| 236 |
public function update_item_permissions_check( $request ) { |
| 237 |
$post = $this->get_post( $request['id'] ); |
| 238 |
if ( is_wp_error( $post ) ) { |
| 239 |
return $post; |
| 240 |
} |
| 241 |
|
| 242 |
if ( $post && ! $this->check_update_permission( $post ) ) { |
| 243 |
return new WP_Error( |
| 244 |
'rest_cannot_edit', |
| 245 |
__( 'Sorry, you are not allowed to edit this global style.', 'gutenberg' ), |
| 246 |
array( 'status' => rest_authorization_required_code() ) |
| 247 |
); |
| 248 |
} |
| 249 |
|
| 250 |
return true; |
| 251 |
} |
| 252 |
|
| 253 |
/** |
| 254 |
* Prepares a single global styles config for update. |
| 255 |
* |
| 256 |
* @since 5.9.0 |
| 257 |
* @since 6.2.0 Added validation of styles.css property. |
| 258 |
* @since 6.6.0 Added registration of block style variations from theme.json sources (theme.json, user theme.json, partials). |
| 259 |
* |
| 260 |
* @param WP_REST_Request $request Request object. |
| 261 |
* @return stdClass|WP_Error Prepared item on success. WP_Error on when the custom CSS is not valid. |
| 262 |
*/ |
| 263 |
protected function prepare_item_for_database( $request ) { |
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$changes = new stdClass(); |
| 265 |
$changes->ID = $request['id']; |
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|
| 267 |
$post = get_post( $request['id'] ); |
| 268 |
$existing_config = array(); |
| 269 |
if ( $post ) { |
| 270 |
$existing_config = json_decode( $post->post_content, true ); |
| 271 |
$json_decoding_error = json_last_error(); |
| 272 |
if ( JSON_ERROR_NONE !== $json_decoding_error || ! isset( $existing_config['isGlobalStylesUserThemeJSON'] ) || |
| 273 |
! $existing_config['isGlobalStylesUserThemeJSON'] ) { |
| 274 |
$existing_config = array(); |
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} |
| 276 |
} |
| 277 |
|
| 278 |
if ( isset( $request['styles'] ) || isset( $request['settings'] ) ) { |
| 279 |
$config = array(); |
| 280 |
if ( isset( $request['styles'] ) ) { |
| 281 |
if ( isset( $request['styles']['css'] ) ) { |
| 282 |
$css_validation_result = $this->validate_custom_css( $request['styles']['css'] ); |
| 283 |
if ( is_wp_error( $css_validation_result ) ) { |
| 284 |
return $css_validation_result; |
| 285 |
} |
| 286 |
} |
| 287 |
$config['styles'] = $request['styles']; |
| 288 |
} elseif ( isset( $existing_config['styles'] ) ) { |
| 289 |
$config['styles'] = $existing_config['styles']; |
| 290 |
} |
| 291 |
|
| 292 |
// Register theme-defined variations e.g. from block style variation partials under `/styles`. |
| 293 |
$variations = WP_Theme_JSON_Resolver_Gutenberg::get_style_variations( 'block' ); |
| 294 |
gutenberg_register_block_style_variations_from_theme_json_partials( $variations ); |
| 295 |
|
| 296 |
if ( isset( $request['settings'] ) ) { |
| 297 |
$config['settings'] = $request['settings']; |
| 298 |
} elseif ( isset( $existing_config['settings'] ) ) { |
| 299 |
$config['settings'] = $existing_config['settings']; |
| 300 |
} |
| 301 |
$config['isGlobalStylesUserThemeJSON'] = true; |
| 302 |
$config['version'] = WP_Theme_JSON_Gutenberg::LATEST_SCHEMA; |
| 303 |
/** |
| 304 |
* JSON encode the data stored in post content. |
| 305 |
* Escape characters that are likely to be mangled by HTML filters: "<>&". |
| 306 |
* |
| 307 |
* This data is later re-encoded by {@see gutenberg_filter_global_styles_post()}. |
| 308 |
* The escaping is also applied here as a precaution. |
| 309 |
*/ |
| 310 |
$changes->post_content = wp_json_encode( $config, JSON_UNESCAPED_SLASHES | JSON_HEX_TAG | JSON_HEX_AMP ); |
| 311 |
} |
| 312 |
|
| 313 |
// Post title. |
| 314 |
if ( isset( $request['title'] ) ) { |
| 315 |
if ( is_string( $request['title'] ) ) { |
| 316 |
$changes->post_title = $request['title']; |
| 317 |
} elseif ( ! empty( $request['title']['raw'] ) ) { |
| 318 |
$changes->post_title = $request['title']['raw']; |
| 319 |
} |
| 320 |
} |
| 321 |
|
| 322 |
return $changes; |
| 323 |
} |
| 324 |
|
| 325 |
/** |
| 326 |
* Prepare a global styles config output for response. |
| 327 |
* |
| 328 |
* @since 5.9.0 |
| 329 |
* @since 6.2.0 Handling of style.css was added to WP_Theme_JSON. |
| 330 |
* @since 6.6.0 Added custom relative theme file URIs to `_links`. |
| 331 |
* |
| 332 |
* @param WP_Post $post Global Styles post object. |
| 333 |
* @param WP_REST_Request $request Request object. |
| 334 |
* @return WP_REST_Response Response object. |
| 335 |
*/ |
| 336 |
public function prepare_item_for_response( $post, $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 337 |
$raw_config = json_decode( $post->post_content, true ); |
| 338 |
$is_global_styles_user_theme_json = isset( $raw_config['isGlobalStylesUserThemeJSON'] ) && true === $raw_config['isGlobalStylesUserThemeJSON']; |
| 339 |
$config = array(); |
| 340 |
$theme_json = null; |
| 341 |
if ( $is_global_styles_user_theme_json ) { |
| 342 |
$theme_json = new WP_Theme_JSON_Gutenberg( $raw_config, 'custom' ); |
| 343 |
$config = $theme_json->get_raw_data(); |
| 344 |
} |
| 345 |
|
| 346 |
// Base fields for every post. |
| 347 |
$data = array(); |
| 348 |
$fields = $this->get_fields_for_response( $request ); |
| 349 |
|
| 350 |
if ( rest_is_field_included( 'id', $fields ) ) { |
| 351 |
$data['id'] = $post->ID; |
| 352 |
} |
| 353 |
|
| 354 |
if ( rest_is_field_included( 'title', $fields ) ) { |
| 355 |
$data['title'] = array(); |
| 356 |
} |
| 357 |
if ( rest_is_field_included( 'title.raw', $fields ) ) { |
| 358 |
$data['title']['raw'] = $post->post_title; |
| 359 |
} |
| 360 |
if ( rest_is_field_included( 'title.rendered', $fields ) ) { |
| 361 |
add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) ); |
| 362 |
add_filter( 'private_title_format', array( $this, 'protected_title_format' ) ); |
| 363 |
|
| 364 |
$data['title']['rendered'] = get_the_title( $post->ID ); |
| 365 |
|
| 366 |
remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) ); |
| 367 |
remove_filter( 'private_title_format', array( $this, 'protected_title_format' ) ); |
| 368 |
} |
| 369 |
|
| 370 |
if ( rest_is_field_included( 'settings', $fields ) ) { |
| 371 |
$data['settings'] = ! empty( $config['settings'] ) && $is_global_styles_user_theme_json ? $config['settings'] : new stdClass(); |
| 372 |
} |
| 373 |
|
| 374 |
if ( rest_is_field_included( 'styles', $fields ) ) { |
| 375 |
$data['styles'] = ! empty( $config['styles'] ) && $is_global_styles_user_theme_json ? $config['styles'] : new stdClass(); |
| 376 |
} |
| 377 |
|
| 378 |
$context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
| 379 |
$data = $this->add_additional_fields_to_object( $data, $request ); |
| 380 |
$data = $this->filter_response_by_context( $data, $context ); |
| 381 |
|
| 382 |
// Wrap the data in a response object. |
| 383 |
$response = rest_ensure_response( $data ); |
| 384 |
|
| 385 |
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { |
| 386 |
$links = $this->prepare_links( $post->ID ); |
| 387 |
// Only return resolved URIs for get requests to user theme JSON. |
| 388 |
if ( $theme_json ) { |
| 389 |
$resolved_theme_uris = WP_Theme_JSON_Resolver_Gutenberg::get_resolved_theme_uris( $theme_json ); |
| 390 |
if ( ! empty( $resolved_theme_uris ) ) { |
| 391 |
$links['https://api.w.org/theme-file'] = $resolved_theme_uris; |
| 392 |
} |
| 393 |
} |
| 394 |
$response->add_links( $links ); |
| 395 |
if ( ! empty( $links['self']['href'] ) ) { |
| 396 |
$actions = $this->get_available_actions( $post, $request ); |
| 397 |
$self = $links['self']['href']; |
| 398 |
foreach ( $actions as $rel ) { |
| 399 |
$response->add_link( $rel, $self ); |
| 400 |
} |
| 401 |
} |
| 402 |
} |
| 403 |
|
| 404 |
return $response; |
| 405 |
} |
| 406 |
|
| 407 |
/** |
| 408 |
* Prepares links for the request. |
| 409 |
* |
| 410 |
* @since 5.9.0 |
| 411 |
* @since 6.3.0 Adds revisions count and rest URL href to version-history. |
| 412 |
* |
| 413 |
* @param integer $id ID. |
| 414 |
* @return array Links for the given post. |
| 415 |
*/ |
| 416 |
protected function prepare_links( $id ) { |
| 417 |
$base = sprintf( '%s/%s', $this->namespace, $this->rest_base ); |
| 418 |
|
| 419 |
$links = array( |
| 420 |
'self' => array( |
| 421 |
'href' => rest_url( trailingslashit( $base ) . $id ), |
| 422 |
), |
| 423 |
'about' => array( |
| 424 |
'href' => rest_url( 'wp/v2/types/' . $this->post_type ), |
| 425 |
), |
| 426 |
); |
| 427 |
|
| 428 |
if ( post_type_supports( $this->post_type, 'revisions' ) ) { |
| 429 |
$revisions = wp_get_latest_revision_id_and_total_count( $id ); |
| 430 |
$revisions_count = ! is_wp_error( $revisions ) ? $revisions['count'] : 0; |
| 431 |
$revisions_base = sprintf( '/%s/%d/revisions', $base, $id ); |
| 432 |
$links['version-history'] = array( |
| 433 |
'href' => rest_url( $revisions_base ), |
| 434 |
'count' => $revisions_count, |
| 435 |
); |
| 436 |
} |
| 437 |
|
| 438 |
return $links; |
| 439 |
} |
| 440 |
|
| 441 |
/** |
| 442 |
* Get the link relations available for the post and current user. |
| 443 |
* |
| 444 |
* @since 5.9.0 |
| 445 |
* @since 6.2.0 Added 'edit-css' action. |
| 446 |
* @since 6.6.0 Added $post and $request parameters. |
| 447 |
* |
| 448 |
* @param WP_Post $post Post object. |
| 449 |
* @param WP_REST_Request $request Request object. |
| 450 |
* @return array List of link relations. |
| 451 |
*/ |
| 452 |
protected function get_available_actions( $post, $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 453 |
$rels = array(); |
| 454 |
|
| 455 |
$post_type = get_post_type_object( $post->post_type ); |
| 456 |
if ( current_user_can( $post_type->cap->publish_posts ) ) { |
| 457 |
$rels[] = 'https://api.w.org/action-publish'; |
| 458 |
} |
| 459 |
|
| 460 |
if ( current_user_can( 'edit_css' ) ) { |
| 461 |
$rels[] = 'https://api.w.org/action-edit-css'; |
| 462 |
} |
| 463 |
|
| 464 |
return $rels; |
| 465 |
} |
| 466 |
|
| 467 |
/** |
| 468 |
* Retrieves the query params for the global styles collection. |
| 469 |
* |
| 470 |
* @since 5.9.0 |
| 471 |
* |
| 472 |
* @return array Collection parameters. |
| 473 |
*/ |
| 474 |
public function get_collection_params() { |
| 475 |
return array(); |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Retrieves the global styles type' schema, conforming to JSON Schema. |
| 480 |
* |
| 481 |
* @since 5.9.0 |
| 482 |
* |
| 483 |
* @return array Item schema data. |
| 484 |
*/ |
| 485 |
public function get_item_schema() { |
| 486 |
if ( $this->schema ) { |
| 487 |
return $this->add_additional_fields_schema( $this->schema ); |
| 488 |
} |
| 489 |
|
| 490 |
$schema = array( |
| 491 |
'$schema' => 'http://json-schema.org/draft-04/schema#', |
| 492 |
'title' => $this->post_type, |
| 493 |
'type' => 'object', |
| 494 |
'properties' => array( |
| 495 |
'id' => array( |
| 496 |
'description' => __( 'ID of global styles config.', 'gutenberg' ), |
| 497 |
'type' => 'string', |
| 498 |
'context' => array( 'embed', 'view', 'edit' ), |
| 499 |
'readonly' => true, |
| 500 |
), |
| 501 |
'styles' => array( |
| 502 |
'description' => __( 'Global styles.', 'gutenberg' ), |
| 503 |
'type' => array( 'object' ), |
| 504 |
'context' => array( 'view', 'edit' ), |
| 505 |
), |
| 506 |
'settings' => array( |
| 507 |
'description' => __( 'Global settings.', 'gutenberg' ), |
| 508 |
'type' => array( 'object' ), |
| 509 |
'context' => array( 'view', 'edit' ), |
| 510 |
), |
| 511 |
'title' => array( |
| 512 |
'description' => __( 'Title of the global styles variation.', 'gutenberg' ), |
| 513 |
'type' => array( 'object', 'string' ), |
| 514 |
'default' => '', |
| 515 |
'context' => array( 'embed', 'view', 'edit' ), |
| 516 |
'properties' => array( |
| 517 |
'raw' => array( |
| 518 |
'description' => __( 'Title for the global styles variation, as it exists in the database.', 'gutenberg' ), |
| 519 |
'type' => 'string', |
| 520 |
'context' => array( 'view', 'edit', 'embed' ), |
| 521 |
), |
| 522 |
'rendered' => array( |
| 523 |
'description' => __( 'HTML title for the post, transformed for display.', 'gutenberg' ), |
| 524 |
'type' => 'string', |
| 525 |
'context' => array( 'view', 'edit', 'embed' ), |
| 526 |
'readonly' => true, |
| 527 |
), |
| 528 |
), |
| 529 |
), |
| 530 |
), |
| 531 |
); |
| 532 |
|
| 533 |
$this->schema = $schema; |
| 534 |
|
| 535 |
return $this->add_additional_fields_schema( $this->schema ); |
| 536 |
} |
| 537 |
|
| 538 |
/** |
| 539 |
* Checks if a given request has access to read a single theme global styles config. |
| 540 |
* |
| 541 |
* @since 5.9.0 |
| 542 |
* @since 6.7.0 Allow users with edit post capabilities to view theme global styles. |
| 543 |
* |
| 544 |
* @param WP_REST_Request $request Full details about the request. |
| 545 |
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise. |
| 546 |
*/ |
| 547 |
public function get_theme_item_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 548 |
/* |
| 549 |
* Verify if the current user has edit_posts capability. |
| 550 |
*/ |
| 551 |
if ( current_user_can( 'edit_posts' ) ) { |
| 552 |
return true; |
| 553 |
} |
| 554 |
|
| 555 |
foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { |
| 556 |
if ( current_user_can( $post_type->cap->edit_posts ) ) { |
| 557 |
return true; |
| 558 |
} |
| 559 |
} |
| 560 |
|
| 561 |
/* |
| 562 |
* Verify if the current user has edit_theme_options capability. |
| 563 |
*/ |
| 564 |
if ( current_user_can( 'edit_theme_options' ) ) { |
| 565 |
return true; |
| 566 |
} |
| 567 |
|
| 568 |
return new WP_Error( |
| 569 |
'rest_cannot_read_global_styles', |
| 570 |
__( 'Sorry, you are not allowed to access the global styles on this site.', 'gutenberg' ), |
| 571 |
array( |
| 572 |
'status' => rest_authorization_required_code(), |
| 573 |
) |
| 574 |
); |
| 575 |
} |
| 576 |
|
| 577 |
/** |
| 578 |
* Returns the given theme global styles config. |
| 579 |
* |
| 580 |
* @since 5.9.0 |
| 581 |
* |
| 582 |
* @param WP_REST_Request $request The request instance. |
| 583 |
* @return WP_REST_Response|WP_Error |
| 584 |
*/ |
| 585 |
public function get_theme_item( $request ) { |
| 586 |
if ( get_stylesheet() !== $request['stylesheet'] ) { |
| 587 |
// This endpoint only supports the active theme for now. |
| 588 |
return new WP_Error( |
| 589 |
'rest_theme_not_found', |
| 590 |
__( 'Theme not found.', 'gutenberg' ), |
| 591 |
array( 'status' => 404 ) |
| 592 |
); |
| 593 |
} |
| 594 |
|
| 595 |
$theme = WP_Theme_JSON_Resolver_Gutenberg::get_merged_data( 'theme' ); |
| 596 |
$fields = $this->get_fields_for_response( $request ); |
| 597 |
$data = array(); |
| 598 |
|
| 599 |
if ( rest_is_field_included( 'settings', $fields ) ) { |
| 600 |
$data['settings'] = $theme->get_settings(); |
| 601 |
} |
| 602 |
|
| 603 |
if ( rest_is_field_included( 'styles', $fields ) ) { |
| 604 |
$raw_data = $theme->get_raw_data(); |
| 605 |
$data['styles'] = $raw_data['styles'] ?? array(); |
| 606 |
} |
| 607 |
|
| 608 |
$context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
| 609 |
$data = $this->add_additional_fields_to_object( $data, $request ); |
| 610 |
$data = $this->filter_response_by_context( $data, $context ); |
| 611 |
$response = rest_ensure_response( $data ); |
| 612 |
|
| 613 |
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { |
| 614 |
$links = array( |
| 615 |
'self' => array( |
| 616 |
'href' => rest_url( sprintf( '%s/%s/themes/%s', $this->namespace, $this->rest_base, $request['stylesheet'] ) ), |
| 617 |
), |
| 618 |
); |
| 619 |
$resolved_theme_uris = WP_Theme_JSON_Resolver_Gutenberg::get_resolved_theme_uris( $theme ); |
| 620 |
if ( ! empty( $resolved_theme_uris ) ) { |
| 621 |
$links['https://api.w.org/theme-file'] = $resolved_theme_uris; |
| 622 |
} |
| 623 |
|
| 624 |
$response->add_links( $links ); |
| 625 |
} |
| 626 |
|
| 627 |
return $response; |
| 628 |
} |
| 629 |
|
| 630 |
/** |
| 631 |
* Checks if a given request has access to read a single theme global styles config. |
| 632 |
* |
| 633 |
* @since 6.0.0 |
| 634 |
* |
| 635 |
* @param WP_REST_Request $request Full details about the request. |
| 636 |
* @return true|WP_Error True if the request has read access for the item, WP_Error object otherwise. |
| 637 |
*/ |
| 638 |
public function get_theme_items_permissions_check( $request ) { |
| 639 |
return $this->get_theme_item_permissions_check( $request ); |
| 640 |
} |
| 641 |
|
| 642 |
/** |
| 643 |
* Returns the given theme global styles variations. |
| 644 |
* |
| 645 |
* @since 6.0.0 |
| 646 |
* @since 6.2.0 Returns parent theme variations, if they exist. |
| 647 |
* @since 6.4.0 Removed unnecessary local variable. |
| 648 |
* @since 6.6.0 Added custom relative theme file URIs to `_links` for each item. |
| 649 |
* |
| 650 |
* @param WP_REST_Request $request The request instance. |
| 651 |
* |
| 652 |
* @return WP_REST_Response|WP_Error |
| 653 |
*/ |
| 654 |
public function get_theme_items( $request ) { |
| 655 |
if ( get_stylesheet() !== $request['stylesheet'] ) { |
| 656 |
// This endpoint only supports the active theme for now. |
| 657 |
return new WP_Error( |
| 658 |
'rest_theme_not_found', |
| 659 |
__( 'Theme not found.', 'gutenberg' ), |
| 660 |
array( 'status' => 404 ) |
| 661 |
); |
| 662 |
} |
| 663 |
|
| 664 |
$response = array(); |
| 665 |
|
| 666 |
// Register theme-defined variations e.g. from block style variation partials under `/styles`. |
| 667 |
$partials = WP_Theme_JSON_Resolver_Gutenberg::get_style_variations( 'block' ); |
| 668 |
gutenberg_register_block_style_variations_from_theme_json_partials( $partials ); |
| 669 |
|
| 670 |
$variations = WP_Theme_JSON_Resolver_Gutenberg::get_style_variations(); |
| 671 |
|
| 672 |
// Add resolved theme asset links. |
| 673 |
foreach ( $variations as $variation ) { |
| 674 |
$variation_theme_json = new WP_Theme_JSON_Gutenberg( $variation ); |
| 675 |
$resolved_theme_uris = WP_Theme_JSON_Resolver_Gutenberg::get_resolved_theme_uris( $variation_theme_json ); |
| 676 |
$data = rest_ensure_response( $variation ); |
| 677 |
if ( ! empty( $resolved_theme_uris ) ) { |
| 678 |
$data->add_links( |
| 679 |
array( |
| 680 |
'https://api.w.org/theme-file' => $resolved_theme_uris, |
| 681 |
) |
| 682 |
); |
| 683 |
} |
| 684 |
$response[] = $this->prepare_response_for_collection( $data ); |
| 685 |
} |
| 686 |
|
| 687 |
return rest_ensure_response( $response ); |
| 688 |
} |
| 689 |
|
| 690 |
/** |
| 691 |
* Validate style.css as valid CSS. |
| 692 |
* |
| 693 |
* Currently just checks that CSS will not break an HTML STYLE tag. |
| 694 |
* |
| 695 |
* @since 6.2.0 |
| 696 |
* @since 6.4.0 Changed method visibility to protected. |
| 697 |
* @since 7.0.0 Only restricts contents which risk prematurely closing the STYLE element, |
| 698 |
* either through a STYLE end tag or a prefix of one which might become a |
| 699 |
* full end tag when combined with the contents of other styles. |
| 700 |
* |
| 701 |
* @param mixed $css CSS to validate. |
| 702 |
* @return true|WP_Error True if the input was validated, otherwise WP_Error. |
| 703 |
*/ |
| 704 |
protected function validate_custom_css( $css ) { |
| 705 |
if ( ! is_string( $css ) ) { |
| 706 |
return new WP_Error( |
| 707 |
'rest_custom_css_invalid_type', |
| 708 |
__( 'CSS must be a string.', 'gutenberg' ), |
| 709 |
array( 'status' => 400 ) |
| 710 |
); |
| 711 |
} |
| 712 |
|
| 713 |
$length = strlen( $css ); |
| 714 |
for ( |
| 715 |
$at = strcspn( $css, '<' ); |
| 716 |
$at < $length; |
| 717 |
$at += strcspn( $css, '<', ++$at ) |
| 718 |
) { |
| 719 |
$remaining_strlen = $length - $at; |
| 720 |
/** |
| 721 |
* Custom CSS text is expected to render inside an HTML STYLE element. |
| 722 |
* A STYLE closing tag must not appear within the CSS text because it |
| 723 |
* would close the element prematurely. |
| 724 |
* |
| 725 |
* The text must also *not* end with a partial closing tag (e.g., `<`, |
| 726 |
* `</`, … `</style`) because subsequent styles which are concatenated |
| 727 |
* could complete it, forming a valid `</style>` tag. |
| 728 |
* |
| 729 |
* Example: |
| 730 |
* |
| 731 |
* $style_a = 'p { font-weight: bold; </sty'; |
| 732 |
* $style_b = 'le> gotcha!'; |
| 733 |
* $combined = "{$style_a}{$style_b}"; |
| 734 |
* |
| 735 |
* $style_a = 'p { font-weight: bold; </style'; |
| 736 |
* $style_b = 'p > b { color: red; }'; |
| 737 |
* $combined = "{$style_a}\n{$style_b}"; |
| 738 |
* |
| 739 |
* Note how in the second example, both of the style contents are benign |
| 740 |
* when analyzed on their own. The first style was likely the result of |
| 741 |
* improper truncation, while the second is perfectly sound. It was only |
| 742 |
* through concatenation that these two scripts combined to form content |
| 743 |
* that would have broken out of the containing STYLE element, thus |
| 744 |
* corrupting the page and potentially introducing security issues. |
| 745 |
* |
| 746 |
* @link https://html.spec.whatwg.org/multipage/parsing.html#rawtext-end-tag-name-state |
| 747 |
*/ |
| 748 |
$possible_style_close_tag = 0 === substr_compare( |
| 749 |
$css, |
| 750 |
'</style', |
| 751 |
$at, |
| 752 |
min( 7, $remaining_strlen ), |
| 753 |
true |
| 754 |
); |
| 755 |
if ( $possible_style_close_tag ) { |
| 756 |
if ( $remaining_strlen < 8 ) { |
| 757 |
return new WP_Error( |
| 758 |
'rest_custom_css_illegal_markup', |
| 759 |
sprintf( |
| 760 |
/* translators: %s is the CSS that was provided. */ |
| 761 |
__( 'The CSS must not end in "%s".', 'gutenberg' ), |
| 762 |
esc_html( substr( $css, $at ) ) |
| 763 |
), |
| 764 |
array( 'status' => 400 ) |
| 765 |
); |
| 766 |
} |
| 767 |
|
| 768 |
if ( 1 === strspn( $css, " \t\f\r\n/>", $at + 7, 1 ) ) { |
| 769 |
return new WP_Error( |
| 770 |
'rest_custom_css_illegal_markup', |
| 771 |
sprintf( |
| 772 |
/* translators: %s is the CSS that was provided. */ |
| 773 |
__( 'The CSS must not contain "%s".', 'gutenberg' ), |
| 774 |
esc_html( substr( $css, $at, 8 ) ) |
| 775 |
), |
| 776 |
array( 'status' => 400 ) |
| 777 |
); |
| 778 |
} |
| 779 |
} |
| 780 |
} |
| 781 |
|
| 782 |
return true; |
| 783 |
} |
| 784 |
} |
| 785 |
|
