| 1 |
<?php |
| 2 |
/** |
| 3 |
* REST API: WP_REST_Block_Types_Controller class |
| 4 |
* |
| 5 |
* @since 5.5.0 |
| 6 |
* @subpackage REST_API |
| 7 |
* @package WordPress |
| 8 |
*/ |
| 9 |
|
| 10 |
/** |
| 11 |
* Core class used to access block types via the REST API. |
| 12 |
* |
| 13 |
* @see WP_REST_Controller |
| 14 |
*/ |
| 15 |
class WP_REST_Block_Types_Controller extends WP_REST_Controller { |
| 16 |
|
| 17 |
/** |
| 18 |
* Instance of WP_Block_Type_Registry. |
| 19 |
* |
| 20 |
* @var WP_Block_Type_Registry |
| 21 |
*/ |
| 22 |
protected $block_registry; |
| 23 |
|
| 24 |
/** |
| 25 |
* Instance of WP_Block_Styles_Registry. |
| 26 |
* |
| 27 |
* @var WP_Block_Styles_Registry |
| 28 |
*/ |
| 29 |
protected $style_registry; |
| 30 |
|
| 31 |
/** |
| 32 |
* Constructor. |
| 33 |
*/ |
| 34 |
public function __construct() { |
| 35 |
$this->namespace = '__experimental'; |
| 36 |
$this->rest_base = 'block-types'; |
| 37 |
$this->block_registry = WP_Block_Type_Registry::get_instance(); |
| 38 |
$this->style_registry = WP_Block_Styles_Registry::get_instance(); |
| 39 |
} |
| 40 |
|
| 41 |
/** |
| 42 |
* Registers the routes for the objects of the controller. |
| 43 |
* |
| 44 |
* @see register_rest_route() |
| 45 |
*/ |
| 46 |
public function register_routes() { |
| 47 |
|
| 48 |
register_rest_route( |
| 49 |
$this->namespace, |
| 50 |
'/' . $this->rest_base, |
| 51 |
array( |
| 52 |
array( |
| 53 |
'methods' => WP_REST_Server::READABLE, |
| 54 |
'callback' => array( $this, 'get_items' ), |
| 55 |
'permission_callback' => array( $this, 'get_items_permissions_check' ), |
| 56 |
'args' => $this->get_collection_params(), |
| 57 |
), |
| 58 |
'schema' => array( $this, 'get_public_item_schema' ), |
| 59 |
) |
| 60 |
); |
| 61 |
|
| 62 |
register_rest_route( |
| 63 |
$this->namespace, |
| 64 |
'/' . $this->rest_base . '/(?P<namespace>[a-zA-Z0-9_-]+)', |
| 65 |
array( |
| 66 |
array( |
| 67 |
'methods' => WP_REST_Server::READABLE, |
| 68 |
'callback' => array( $this, 'get_items' ), |
| 69 |
'permission_callback' => array( $this, 'get_items_permissions_check' ), |
| 70 |
'args' => $this->get_collection_params(), |
| 71 |
), |
| 72 |
'schema' => array( $this, 'get_public_item_schema' ), |
| 73 |
) |
| 74 |
); |
| 75 |
|
| 76 |
register_rest_route( |
| 77 |
$this->namespace, |
| 78 |
'/' . $this->rest_base . '/(?P<namespace>[a-zA-Z0-9_-]+)/(?P<name>[a-zA-Z0-9_-]+)', |
| 79 |
array( |
| 80 |
'args' => array( |
| 81 |
'name' => array( |
| 82 |
'description' => __( 'Block name', 'gutenberg' ), |
| 83 |
'type' => 'string', |
| 84 |
), |
| 85 |
'namespace' => array( |
| 86 |
'description' => __( 'Block namespace', 'gutenberg' ), |
| 87 |
'type' => 'string', |
| 88 |
), |
| 89 |
), |
| 90 |
array( |
| 91 |
'methods' => WP_REST_Server::READABLE, |
| 92 |
'callback' => array( $this, 'get_item' ), |
| 93 |
'permission_callback' => array( $this, 'get_item_permissions_check' ), |
| 94 |
'args' => array( |
| 95 |
'context' => $this->get_context_param( array( 'default' => 'view' ) ), |
| 96 |
), |
| 97 |
), |
| 98 |
'schema' => array( $this, 'get_public_item_schema' ), |
| 99 |
) |
| 100 |
); |
| 101 |
} |
| 102 |
|
| 103 |
/** |
| 104 |
* Checks whether a given request has permission to read post block types. |
| 105 |
* |
| 106 |
* @param WP_REST_Request $request Full details about the request. |
| 107 |
* |
| 108 |
* @return WP_Error|bool True if the request has read access, WP_Error object otherwise. |
| 109 |
*/ |
| 110 |
public function get_items_permissions_check( $request ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable |
| 111 |
return $this->check_read_permission(); |
| 112 |
} |
| 113 |
|
| 114 |
/** |
| 115 |
* Retrieves all post block types, depending on user context. |
| 116 |
* |
| 117 |
* @param WP_REST_Request $request Full details about the request. |
| 118 |
* |
| 119 |
* @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. |
| 120 |
*/ |
| 121 |
public function get_items( $request ) { |
| 122 |
$data = array(); |
| 123 |
$block_types = $this->block_registry->get_all_registered(); |
| 124 |
|
| 125 |
// Retrieve the list of registered collection query parameters. |
| 126 |
$registered = $this->get_collection_params(); |
| 127 |
$namespace = ''; |
| 128 |
if ( isset( $registered['namespace'] ) && ! empty( $request['namespace'] ) ) { |
| 129 |
$namespace = $request['namespace']; |
| 130 |
} |
| 131 |
|
| 132 |
foreach ( $block_types as $slug => $obj ) { |
| 133 |
if ( $namespace ) { |
| 134 |
$pieces = explode( '/', $obj->name ); |
| 135 |
$block_namespace = $pieces[0]; |
| 136 |
if ( $namespace !== $block_namespace ) { |
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continue; |
| 138 |
} |
| 139 |
} |
| 140 |
$block_type = $this->prepare_item_for_response( $obj, $request ); |
| 141 |
$data[] = $this->prepare_response_for_collection( $block_type ); |
| 142 |
} |
| 143 |
|
| 144 |
return rest_ensure_response( $data ); |
| 145 |
} |
| 146 |
|
| 147 |
/** |
| 148 |
* Checks if a given request has access to read a block type. |
| 149 |
* |
| 150 |
* @param WP_REST_Request $request Full details about the request. |
| 151 |
* |
| 152 |
* @return WP_Error|bool True if the request has read access for the item, WP_Error object otherwise. |
| 153 |
*/ |
| 154 |
public function get_item_permissions_check( $request ) { |
| 155 |
$check = $this->check_read_permission(); |
| 156 |
if ( is_wp_error( $check ) ) { |
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return $check; |
| 158 |
} |
| 159 |
$block_name = sprintf( '%s/%s', $request['namespace'], $request['name'] ); |
| 160 |
$block_type = $this->get_block( $block_name ); |
| 161 |
if ( is_wp_error( $block_type ) ) { |
| 162 |
return $block_type; |
| 163 |
} |
| 164 |
|
| 165 |
return true; |
| 166 |
} |
| 167 |
|
| 168 |
/** |
| 169 |
* Checks whether a given block type should be visible. |
| 170 |
* |
| 171 |
* @return WP_Error|bool True if the block type is visible, otherwise false. |
| 172 |
*/ |
| 173 |
protected function check_read_permission() { |
| 174 |
if ( current_user_can( 'edit_posts' ) ) { |
| 175 |
return true; |
| 176 |
} |
| 177 |
foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) { |
| 178 |
if ( current_user_can( $post_type->cap->edit_posts ) ) { |
| 179 |
return true; |
| 180 |
} |
| 181 |
} |
| 182 |
|
| 183 |
return new WP_Error( 'rest_block_type_cannot_view', __( 'Sorry, you are not allowed to manage block types.', 'gutenberg' ), array( 'status' => rest_authorization_required_code() ) ); |
| 184 |
} |
| 185 |
|
| 186 |
/** |
| 187 |
* Get the block, if the name is valid. |
| 188 |
* |
| 189 |
* @param string $name Block name. |
| 190 |
* @return WP_Block_Type|WP_Error Block type object if name is valid, WP_Error otherwise. |
| 191 |
*/ |
| 192 |
protected function get_block( $name ) { |
| 193 |
$block_type = $this->block_registry->get_registered( $name ); |
| 194 |
if ( empty( $block_type ) ) { |
| 195 |
return new WP_Error( 'rest_block_type_invalid', __( 'Invalid block type.', 'gutenberg' ), array( 'status' => 404 ) ); |
| 196 |
} |
| 197 |
|
| 198 |
return $block_type; |
| 199 |
} |
| 200 |
|
| 201 |
/** |
| 202 |
* Retrieves a specific block type. |
| 203 |
* |
| 204 |
* @param WP_REST_Request $request Full details about the request. |
| 205 |
* |
| 206 |
* @return WP_Error|WP_REST_Response Response object on success, or WP_Error object on failure. |
| 207 |
*/ |
| 208 |
public function get_item( $request ) { |
| 209 |
$block_name = sprintf( '%s/%s', $request['namespace'], $request['name'] ); |
| 210 |
$block_type = $this->get_block( $block_name ); |
| 211 |
if ( is_wp_error( $block_type ) ) { |
| 212 |
return $block_type; |
| 213 |
} |
| 214 |
$data = $this->prepare_item_for_response( $block_type, $request ); |
| 215 |
|
| 216 |
return rest_ensure_response( $data ); |
| 217 |
} |
| 218 |
|
| 219 |
/** |
| 220 |
* Prepares a block type object for serialization. |
| 221 |
* |
| 222 |
* @param WP_Block_Type $block_type block type data. |
| 223 |
* @param WP_REST_Request $request Full details about the request. |
| 224 |
* |
| 225 |
* @return WP_REST_Response block type data. |
| 226 |
*/ |
| 227 |
public function prepare_item_for_response( $block_type, $request ) { |
| 228 |
|
| 229 |
$fields = $this->get_fields_for_response( $request ); |
| 230 |
$data = array(); |
| 231 |
|
| 232 |
if ( rest_is_field_included( 'attributes', $fields ) ) { |
| 233 |
$data['attributes'] = $block_type->get_attributes(); |
| 234 |
} |
| 235 |
|
| 236 |
if ( rest_is_field_included( 'is_dynamic', $fields ) ) { |
| 237 |
$data['is_dynamic'] = $block_type->is_dynamic(); |
| 238 |
} |
| 239 |
|
| 240 |
$schema = $this->get_item_schema(); |
| 241 |
$extra_fields = array( |
| 242 |
'name' => 'name', |
| 243 |
'title' => 'title', |
| 244 |
'description' => 'description', |
| 245 |
'icon' => 'icon', |
| 246 |
'category' => 'category', |
| 247 |
'keywords' => 'keywords', |
| 248 |
'parent' => 'parent', |
| 249 |
'supports' => 'supports', |
| 250 |
'styles' => 'styles', |
| 251 |
'textdomain' => 'textdomain', |
| 252 |
'example' => 'example', |
| 253 |
'editor_script' => 'editor_script', |
| 254 |
'script' => 'script', |
| 255 |
'editor_style' => 'editor_style', |
| 256 |
'style' => 'style', |
| 257 |
); |
| 258 |
foreach ( $extra_fields as $key => $extra_field ) { |
| 259 |
if ( rest_is_field_included( $key, $fields ) ) { |
| 260 |
if ( isset( $block_type->$extra_field ) ) { |
| 261 |
$field = $block_type->$extra_field; |
| 262 |
} elseif ( array_key_exists( 'default', $schema['properties'][ $key ] ) ) { |
| 263 |
$field = $schema['properties'][ $key ]['default']; |
| 264 |
} else { |
| 265 |
$field = ''; |
| 266 |
} |
| 267 |
$data[ $key ] = rest_sanitize_value_from_schema( $field, $schema['properties'][ $key ] ); |
| 268 |
} |
| 269 |
} |
| 270 |
|
| 271 |
if ( rest_is_field_included( 'styles', $fields ) ) { |
| 272 |
$styles = $this->style_registry->get_registered_styles_for_block( $block_type->name ); |
| 273 |
$styles = array_values( $styles ); |
| 274 |
$data['styles'] = wp_parse_args( $styles, $data['styles'] ); |
| 275 |
} |
| 276 |
|
| 277 |
$context = ! empty( $request['context'] ) ? $request['context'] : 'view'; |
| 278 |
$data = $this->add_additional_fields_to_object( $data, $request ); |
| 279 |
$data = $this->filter_response_by_context( $data, $context ); |
| 280 |
|
| 281 |
$response = rest_ensure_response( $data ); |
| 282 |
|
| 283 |
$response->add_links( $this->prepare_links( $block_type ) ); |
| 284 |
|
| 285 |
/** |
| 286 |
* Filters a block type returned from the REST API. |
| 287 |
* |
| 288 |
* Allows modification of the block type data right before it is returned. |
| 289 |
* |
| 290 |
* @param WP_REST_Response $response The response object. |
| 291 |
* @param object $block_type The original block type object. |
| 292 |
* @param WP_REST_Request $request Request used to generate the response. |
| 293 |
*/ |
| 294 |
return apply_filters( 'rest_prepare_block_type', $response, $block_type, $request ); |
| 295 |
} |
| 296 |
|
| 297 |
/** |
| 298 |
* Prepares links for the request. |
| 299 |
* |
| 300 |
* @param WP_Block_Type $block_type block type data. |
| 301 |
* @return array Links for the given block type. |
| 302 |
*/ |
| 303 |
protected function prepare_links( $block_type ) { |
| 304 |
$pieces = explode( '/', $block_type->name ); |
| 305 |
$namespace = $pieces[0]; |
| 306 |
$links = array( |
| 307 |
'collection' => array( |
| 308 |
'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ), |
| 309 |
), |
| 310 |
'self' => array( |
| 311 |
'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $block_type->name ) ), |
| 312 |
), |
| 313 |
'up' => array( |
| 314 |
'href' => rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $namespace ) ), |
| 315 |
), |
| 316 |
); |
| 317 |
|
| 318 |
if ( $block_type->is_dynamic() ) { |
| 319 |
$links['https://api.w.org/render-block']['href'] = add_query_arg( 'context', 'edit', rest_url( sprintf( '%s/%s/%s', 'wp/v2', 'block-renderer', $block_type->name ) ) ); |
| 320 |
} |
| 321 |
|
| 322 |
return $links; |
| 323 |
} |
| 324 |
|
| 325 |
/** |
| 326 |
* Retrieves the block type' schema, conforming to JSON Schema. |
| 327 |
* |
| 328 |
* @return array Item schema data. |
| 329 |
*/ |
| 330 |
public function get_item_schema() { |
| 331 |
if ( $this->schema ) { |
| 332 |
return $this->add_additional_fields_schema( $this->schema ); |
| 333 |
} |
| 334 |
|
| 335 |
$schema = array( |
| 336 |
'$schema' => 'http://json-schema.org/draft-04/schema#', |
| 337 |
'title' => 'block-type', |
| 338 |
'type' => 'object', |
| 339 |
'properties' => array( |
| 340 |
'title' => array( |
| 341 |
'description' => __( 'Title of block type.', 'gutenberg' ), |
| 342 |
'type' => 'string', |
| 343 |
'default' => '', |
| 344 |
'context' => array( 'embed', 'view', 'edit' ), |
| 345 |
'readonly' => true, |
| 346 |
), |
| 347 |
'name' => array( |
| 348 |
'description' => __( 'Unique name identifying the block type.', 'gutenberg' ), |
| 349 |
'type' => 'string', |
| 350 |
'default' => '', |
| 351 |
'context' => array( 'embed', 'view', 'edit' ), |
| 352 |
'readonly' => true, |
| 353 |
), |
| 354 |
'description' => array( |
| 355 |
'description' => __( 'Description of block type.', 'gutenberg' ), |
| 356 |
'type' => 'string', |
| 357 |
'default' => '', |
| 358 |
'context' => array( 'embed', 'view', 'edit' ), |
| 359 |
'readonly' => true, |
| 360 |
), |
| 361 |
'icon' => array( |
| 362 |
'description' => __( 'Icon of block type.', 'gutenberg' ), |
| 363 |
'type' => array( 'string', 'null' ), |
| 364 |
'default' => null, |
| 365 |
'context' => array( 'embed', 'view', 'edit' ), |
| 366 |
'readonly' => true, |
| 367 |
), |
| 368 |
'attributes' => array( |
| 369 |
'description' => __( 'Block attributes.', 'gutenberg' ), |
| 370 |
'type' => array( 'object', 'null' ), |
| 371 |
'properties' => array(), |
| 372 |
'default' => null, |
| 373 |
'additionalProperties' => array( |
| 374 |
'type' => 'object', |
| 375 |
), |
| 376 |
'context' => array( 'embed', 'view', 'edit' ), |
| 377 |
'readonly' => true, |
| 378 |
), |
| 379 |
'supports' => array( |
| 380 |
'description' => __( 'Block supports.', 'gutenberg' ), |
| 381 |
'type' => 'object', |
| 382 |
'default' => array(), |
| 383 |
'properties' => array(), |
| 384 |
'context' => array( 'embed', 'view', 'edit' ), |
| 385 |
'readonly' => true, |
| 386 |
), |
| 387 |
'category' => array( |
| 388 |
'description' => __( 'Block category.', 'gutenberg' ), |
| 389 |
'type' => array( 'string', null ), |
| 390 |
'default' => null, |
| 391 |
'context' => array( 'embed', 'view', 'edit' ), |
| 392 |
'readonly' => true, |
| 393 |
), |
| 394 |
'is_dynamic' => array( |
| 395 |
'description' => __( 'Is the block dynamically rendered.', 'gutenberg' ), |
| 396 |
'type' => 'boolean', |
| 397 |
'default' => false, |
| 398 |
'context' => array( 'embed', 'view', 'edit' ), |
| 399 |
'readonly' => true, |
| 400 |
), |
| 401 |
'editor_script' => array( |
| 402 |
'description' => __( 'Editor script handle.', 'gutenberg' ), |
| 403 |
'type' => array( 'string', null ), |
| 404 |
'default' => null, |
| 405 |
'context' => array( 'embed', 'view', 'edit' ), |
| 406 |
'readonly' => true, |
| 407 |
), |
| 408 |
'script' => array( |
| 409 |
'description' => __( 'Public facing script handle.', 'gutenberg' ), |
| 410 |
'type' => array( 'string', null ), |
| 411 |
'default' => null, |
| 412 |
'context' => array( 'embed', 'view', 'edit' ), |
| 413 |
'readonly' => true, |
| 414 |
), |
| 415 |
'editor_style' => array( |
| 416 |
'description' => __( 'Editor style handle.', 'gutenberg' ), |
| 417 |
'type' => array( 'string', null ), |
| 418 |
'default' => null, |
| 419 |
'context' => array( 'embed', 'view', 'edit' ), |
| 420 |
'readonly' => true, |
| 421 |
), |
| 422 |
'style' => array( |
| 423 |
'description' => __( 'Public facing style handle.', 'gutenberg' ), |
| 424 |
'type' => array( 'string', null ), |
| 425 |
'default' => null, |
| 426 |
'context' => array( 'embed', 'view', 'edit' ), |
| 427 |
'readonly' => true, |
| 428 |
), |
| 429 |
'styles' => array( |
| 430 |
'description' => __( 'Block style variations.', 'gutenberg' ), |
| 431 |
'type' => 'array', |
| 432 |
'properties' => array(), |
| 433 |
'additionalProperties' => array( |
| 434 |
'type' => 'object', |
| 435 |
), |
| 436 |
'default' => array(), |
| 437 |
'context' => array( 'embed', 'view', 'edit' ), |
| 438 |
'readonly' => true, |
| 439 |
), |
| 440 |
'textdomain' => array( |
| 441 |
'description' => __( 'Public text domain.', 'gutenberg' ), |
| 442 |
'type' => array( 'string', 'null' ), |
| 443 |
'default' => null, |
| 444 |
'context' => array( 'embed', 'view', 'edit' ), |
| 445 |
'readonly' => true, |
| 446 |
), |
| 447 |
'parent' => array( |
| 448 |
'description' => __( 'Parent blocks.', 'gutenberg' ), |
| 449 |
'type' => array( 'array', 'null' ), |
| 450 |
'items' => array( |
| 451 |
'type' => 'string', |
| 452 |
), |
| 453 |
'default' => null, |
| 454 |
'context' => array( 'embed', 'view', 'edit' ), |
| 455 |
'readonly' => true, |
| 456 |
), |
| 457 |
'keywords' => array( |
| 458 |
'description' => __( 'Block keywords.', 'gutenberg' ), |
| 459 |
'type' => 'array', |
| 460 |
'items' => array( |
| 461 |
'type' => 'string', |
| 462 |
), |
| 463 |
'default' => array(), |
| 464 |
'context' => array( 'embed', 'view', 'edit' ), |
| 465 |
'readonly' => true, |
| 466 |
), |
| 467 |
'example' => array( |
| 468 |
'description' => __( 'Block example.', 'gutenberg' ), |
| 469 |
'type' => array( 'object', 'null' ), |
| 470 |
'default' => null, |
| 471 |
'properties' => array(), |
| 472 |
'additionalProperties' => array( |
| 473 |
'type' => 'object', |
| 474 |
), |
| 475 |
'context' => array( 'embed', 'view', 'edit' ), |
| 476 |
'readonly' => true, |
| 477 |
), |
| 478 |
), |
| 479 |
); |
| 480 |
|
| 481 |
$this->schema = $schema; |
| 482 |
|
| 483 |
return $this->add_additional_fields_schema( $this->schema ); |
| 484 |
} |
| 485 |
|
| 486 |
/** |
| 487 |
* Retrieves the query params for collections. |
| 488 |
* |
| 489 |
* @return array Collection parameters. |
| 490 |
*/ |
| 491 |
public function get_collection_params() { |
| 492 |
$new_params = array(); |
| 493 |
$new_params['context'] = $this->get_context_param( array( 'default' => 'view' ) ); |
| 494 |
$new_params['namespace'] = array( |
| 495 |
'description' => __( 'Block namespace.', 'gutenberg' ), |
| 496 |
'type' => 'string', |
| 497 |
); |
| 498 |
return $new_params; |
| 499 |
} |
| 500 |
|
| 501 |
} |
| 502 |
|
