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/wp-includes/rest-api/endpoints/ -> class-wp-rest-attachments-controller.php (source)

   1  <?php
   2  /**
   3   * REST API: WP_REST_Attachments_Controller class
   4   *
   5   * @package WordPress
   6   * @subpackage REST_API
   7   * @since 4.7.0
   8   */
   9  
  10  /**
  11   * Core controller used to access attachments via the REST API.
  12   *
  13   * @since 4.7.0
  14   *
  15   * @see WP_REST_Posts_Controller
  16   */
  17  class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
  18  
  19      /**
  20       * Whether the controller supports batching.
  21       *
  22       * @since 5.9.0
  23       * @var false
  24       */
  25      protected $allow_batch = false;
  26  
  27      /**
  28       * Registers the routes for attachments.
  29       *
  30       * @since 5.3.0
  31       *
  32       * @see register_rest_route()
  33       */
  34  	public function register_routes() {
  35          parent::register_routes();
  36          register_rest_route(
  37              $this->namespace,
  38              '/' . $this->rest_base . '/(?P<id>[\d]+)/post-process',
  39              array(
  40                  'methods'             => WP_REST_Server::CREATABLE,
  41                  'callback'            => array( $this, 'post_process_item' ),
  42                  'permission_callback' => array( $this, 'post_process_item_permissions_check' ),
  43                  'args'                => array(
  44                      'id'     => array(
  45                          'description' => __( 'Unique identifier for the attachment.' ),
  46                          'type'        => 'integer',
  47                      ),
  48                      'action' => array(
  49                          'type'     => 'string',
  50                          'enum'     => array( 'create-image-subsizes' ),
  51                          'required' => true,
  52                      ),
  53                  ),
  54              )
  55          );
  56          register_rest_route(
  57              $this->namespace,
  58              '/' . $this->rest_base . '/(?P<id>[\d]+)/edit',
  59              array(
  60                  'methods'             => WP_REST_Server::CREATABLE,
  61                  'callback'            => array( $this, 'edit_media_item' ),
  62                  'permission_callback' => array( $this, 'edit_media_item_permissions_check' ),
  63                  'args'                => $this->get_edit_media_item_args(),
  64              )
  65          );
  66      }
  67  
  68      /**
  69       * Determines the allowed query_vars for a get_items() response and
  70       * prepares for WP_Query.
  71       *
  72       * @since 4.7.0
  73       * @since 6.9.0 Extends the `media_type` and `mime_type` request arguments to support array values.
  74       *
  75       * @param array           $prepared_args Optional. Array of prepared arguments. Default empty array.
  76       * @param WP_REST_Request $request       Optional. Request to prepare items for.
  77       * @return array Array of query arguments.
  78       */
  79  	protected function prepare_items_query( $prepared_args = array(), $request = null ) {
  80          $query_args = parent::prepare_items_query( $prepared_args, $request );
  81  
  82          if ( empty( $query_args['post_status'] ) ) {
  83              $query_args['post_status'] = 'inherit';
  84          }
  85  
  86          $all_mime_types = array();
  87          $media_types    = $this->get_media_types();
  88  
  89          if ( ! empty( $request['media_type'] ) && is_array( $request['media_type'] ) ) {
  90              foreach ( $request['media_type'] as $type ) {
  91                  if ( isset( $media_types[ $type ] ) ) {
  92                      $all_mime_types = array_merge( $all_mime_types, $media_types[ $type ] );
  93                  }
  94              }
  95          }
  96  
  97          if ( ! empty( $request['mime_type'] ) && is_array( $request['mime_type'] ) ) {
  98              foreach ( $request['mime_type'] as $mime_type ) {
  99                  $parts = explode( '/', $mime_type );
 100                  if ( isset( $media_types[ $parts[0] ] ) && in_array( $mime_type, $media_types[ $parts[0] ], true ) ) {
 101                      $all_mime_types[] = $mime_type;
 102                  }
 103              }
 104          }
 105  
 106          if ( ! empty( $all_mime_types ) ) {
 107              $query_args['post_mime_type'] = array_values( array_unique( $all_mime_types ) );
 108          }
 109  
 110          // Filter query clauses to include filenames.
 111          if ( isset( $query_args['s'] ) ) {
 112              add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
 113          }
 114  
 115          return $query_args;
 116      }
 117  
 118      /**
 119       * Checks if a given request has access to create an attachment.
 120       *
 121       * @since 4.7.0
 122       *
 123       * @param WP_REST_Request $request Full details about the request.
 124       * @return true|WP_Error Boolean true if the attachment may be created, or a WP_Error if not.
 125       */
 126  	public function create_item_permissions_check( $request ) {
 127          $ret = parent::create_item_permissions_check( $request );
 128  
 129          if ( ! $ret || is_wp_error( $ret ) ) {
 130              return $ret;
 131          }
 132  
 133          if ( ! current_user_can( 'upload_files' ) ) {
 134              return new WP_Error(
 135                  'rest_cannot_create',
 136                  __( 'Sorry, you are not allowed to upload media on this site.' ),
 137                  array( 'status' => 400 )
 138              );
 139          }
 140  
 141          // Attaching media to a post requires ability to edit said post.
 142          if ( ! empty( $request['post'] ) && ! current_user_can( 'edit_post', (int) $request['post'] ) ) {
 143              return new WP_Error(
 144                  'rest_cannot_edit',
 145                  __( 'Sorry, you are not allowed to upload media to this post.' ),
 146                  array( 'status' => rest_authorization_required_code() )
 147              );
 148          }
 149          $files = $request->get_file_params();
 150  
 151          /**
 152           * Filter whether the server should prevent uploads for image types it doesn't support. Default true.
 153           *
 154           * Developers can use this filter to enable uploads of certain image types. By default image types that are not
 155           * supported by the server are prevented from being uploaded.
 156           *
 157           * @since 6.8.0
 158           *
 159           * @param bool        $check_mime Whether to prevent uploads of unsupported image types.
 160           * @param string|null $mime_type  The mime type of the file being uploaded (if available).
 161           */
 162          $prevent_unsupported_uploads = apply_filters( 'wp_prevent_unsupported_mime_type_uploads', true, isset( $files['file']['type'] ) ? $files['file']['type'] : null );
 163  
 164          // If the upload is an image, check if the server can handle the mime type.
 165          if (
 166              $prevent_unsupported_uploads &&
 167              isset( $files['file']['type'] ) &&
 168              str_starts_with( $files['file']['type'], 'image/' )
 169          ) {
 170              // List of non-resizable image formats.
 171              $editor_non_resizable_formats = array(
 172                  'image/svg+xml',
 173              );
 174  
 175              // Check if the image editor supports the type or ignore if it isn't a format resizable by an editor.
 176              if (
 177                  ! in_array( $files['file']['type'], $editor_non_resizable_formats, true ) &&
 178                  ! wp_image_editor_supports( array( 'mime_type' => $files['file']['type'] ) )
 179              ) {
 180                  return new WP_Error(
 181                      'rest_upload_image_type_not_supported',
 182                      __( 'The web server cannot generate responsive image sizes for this image. Convert it to JPEG or PNG before uploading.' ),
 183                      array( 'status' => 400 )
 184                  );
 185              }
 186          }
 187  
 188          return true;
 189      }
 190  
 191      /**
 192       * Creates a single attachment.
 193       *
 194       * @since 4.7.0
 195       *
 196       * @param WP_REST_Request $request Full details about the request.
 197       * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
 198       */
 199  	public function create_item( $request ) {
 200          if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
 201              return new WP_Error(
 202                  'rest_invalid_param',
 203                  __( 'Invalid parent type.' ),
 204                  array( 'status' => 400 )
 205              );
 206          }
 207  
 208          $insert = $this->insert_attachment( $request );
 209  
 210          if ( is_wp_error( $insert ) ) {
 211              return $insert;
 212          }
 213  
 214          $schema = $this->get_item_schema();
 215  
 216          // Extract by name.
 217          $attachment_id = $insert['attachment_id'];
 218          $file          = $insert['file'];
 219  
 220          if ( isset( $request['alt_text'] ) ) {
 221              update_post_meta( $attachment_id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) );
 222          }
 223  
 224          if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {
 225              $thumbnail_update = $this->handle_featured_media( $request['featured_media'], $attachment_id );
 226  
 227              if ( is_wp_error( $thumbnail_update ) ) {
 228                  return $thumbnail_update;
 229              }
 230          }
 231  
 232          if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
 233              $meta_update = $this->meta->update_value( $request['meta'], $attachment_id );
 234  
 235              if ( is_wp_error( $meta_update ) ) {
 236                  return $meta_update;
 237              }
 238          }
 239  
 240          $attachment    = get_post( $attachment_id );
 241          $fields_update = $this->update_additional_fields_for_object( $attachment, $request );
 242  
 243          if ( is_wp_error( $fields_update ) ) {
 244              return $fields_update;
 245          }
 246  
 247          $terms_update = $this->handle_terms( $attachment_id, $request );
 248  
 249          if ( is_wp_error( $terms_update ) ) {
 250              return $terms_update;
 251          }
 252  
 253          $request->set_param( 'context', 'edit' );
 254  
 255          /**
 256           * Fires after a single attachment is completely created or updated via the REST API.
 257           *
 258           * @since 5.0.0
 259           *
 260           * @param WP_Post         $attachment Inserted or updated attachment object.
 261           * @param WP_REST_Request $request    Request object.
 262           * @param bool            $creating   True when creating an attachment, false when updating.
 263           */
 264          do_action( 'rest_after_insert_attachment', $attachment, $request, true );
 265  
 266          wp_after_insert_post( $attachment, false, null );
 267  
 268          if ( wp_is_serving_rest_request() ) {
 269              /*
 270               * Set a custom header with the attachment_id.
 271               * Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
 272               */
 273              header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id );
 274          }
 275  
 276          // Include media and image functions to get access to wp_generate_attachment_metadata().
 277          require_once  ABSPATH . 'wp-admin/includes/media.php';
 278          require_once  ABSPATH . 'wp-admin/includes/image.php';
 279  
 280          /*
 281           * Post-process the upload (create image sub-sizes, make PDF thumbnails, etc.) and insert attachment meta.
 282           * At this point the server may run out of resources and post-processing of uploaded images may fail.
 283           */
 284          wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );
 285  
 286          $response = $this->prepare_item_for_response( $attachment, $request );
 287          $response = rest_ensure_response( $response );
 288          $response->set_status( 201 );
 289          $response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $attachment_id ) ) );
 290  
 291          return $response;
 292      }
 293  
 294      /**
 295       * Inserts the attachment post in the database. Does not update the attachment meta.
 296       *
 297       * @since 5.3.0
 298       *
 299       * @param WP_REST_Request $request
 300       * @return array|WP_Error
 301       */
 302  	protected function insert_attachment( $request ) {
 303          // Get the file via $_FILES or raw data.
 304          $files   = $request->get_file_params();
 305          $headers = $request->get_headers();
 306  
 307          $time = null;
 308  
 309          // Matches logic in media_handle_upload().
 310          if ( ! empty( $request['post'] ) ) {
 311              $post = get_post( $request['post'] );
 312              // The post date doesn't usually matter for pages, so don't backdate this upload.
 313              if ( $post && 'page' !== $post->post_type && substr( $post->post_date, 0, 4 ) > 0 ) {
 314                  $time = $post->post_date;
 315              }
 316          }
 317  
 318          if ( ! empty( $files ) ) {
 319              $file = $this->upload_from_file( $files, $headers, $time );
 320          } else {
 321              $file = $this->upload_from_data( $request->get_body(), $headers, $time );
 322          }
 323  
 324          if ( is_wp_error( $file ) ) {
 325              return $file;
 326          }
 327  
 328          $name       = wp_basename( $file['file'] );
 329          $name_parts = pathinfo( $name );
 330          $name       = trim( substr( $name, 0, -( 1 + strlen( $name_parts['extension'] ) ) ) );
 331  
 332          $url  = $file['url'];
 333          $type = $file['type'];
 334          $file = $file['file'];
 335  
 336          // Include image functions to get access to wp_read_image_metadata().
 337          require_once  ABSPATH . 'wp-admin/includes/image.php';
 338  
 339          // Use image exif/iptc data for title and caption defaults if possible.
 340          $image_meta = wp_read_image_metadata( $file );
 341  
 342          if ( ! empty( $image_meta ) ) {
 343              if ( empty( $request['title'] ) && trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {
 344                  $request['title'] = $image_meta['title'];
 345              }
 346  
 347              if ( empty( $request['caption'] ) && trim( $image_meta['caption'] ) ) {
 348                  $request['caption'] = $image_meta['caption'];
 349              }
 350          }
 351  
 352          $attachment = $this->prepare_item_for_database( $request );
 353  
 354          $attachment->post_mime_type = $type;
 355          $attachment->guid           = $url;
 356  
 357          // If the title was not set, use the original filename.
 358          if ( empty( $attachment->post_title ) && ! empty( $files['file']['name'] ) ) {
 359              // Remove the file extension (after the last `.`)
 360              $tmp_title = substr( $files['file']['name'], 0, strrpos( $files['file']['name'], '.' ) );
 361  
 362              if ( ! empty( $tmp_title ) ) {
 363                  $attachment->post_title = $tmp_title;
 364              }
 365          }
 366  
 367          // Fall back to the original approach.
 368          if ( empty( $attachment->post_title ) ) {
 369              $attachment->post_title = preg_replace( '/\.[^.]+$/', '', wp_basename( $file ) );
 370          }
 371  
 372          // $post_parent is inherited from $attachment['post_parent'].
 373          $id = wp_insert_attachment( wp_slash( (array) $attachment ), $file, 0, true, false );
 374  
 375          if ( is_wp_error( $id ) ) {
 376              if ( 'db_update_error' === $id->get_error_code() ) {
 377                  $id->add_data( array( 'status' => 500 ) );
 378              } else {
 379                  $id->add_data( array( 'status' => 400 ) );
 380              }
 381  
 382              return $id;
 383          }
 384  
 385          $attachment = get_post( $id );
 386  
 387          /**
 388           * Fires after a single attachment is created or updated via the REST API.
 389           *
 390           * @since 4.7.0
 391           *
 392           * @param WP_Post         $attachment Inserted or updated attachment object.
 393           * @param WP_REST_Request $request    The request sent to the API.
 394           * @param bool            $creating   True when creating an attachment, false when updating.
 395           */
 396          do_action( 'rest_insert_attachment', $attachment, $request, true );
 397  
 398          return array(
 399              'attachment_id' => $id,
 400              'file'          => $file,
 401          );
 402      }
 403  
 404      /**
 405       * Determines the featured media based on a request param.
 406       *
 407       * @since 6.5.0
 408       *
 409       * @param int $featured_media Featured Media ID.
 410       * @param int $post_id        Post ID.
 411       * @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error.
 412       */
 413  	protected function handle_featured_media( $featured_media, $post_id ) {
 414          $post_type         = get_post_type( $post_id );
 415          $thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );
 416  
 417          // Similar check as in wp_insert_post().
 418          if ( ! $thumbnail_support && get_post_mime_type( $post_id ) ) {
 419              if ( wp_attachment_is( 'audio', $post_id ) ) {
 420                  $thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );
 421              } elseif ( wp_attachment_is( 'video', $post_id ) ) {
 422                  $thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );
 423              }
 424          }
 425  
 426          if ( $thumbnail_support ) {
 427              return parent::handle_featured_media( $featured_media, $post_id );
 428          }
 429  
 430          return new WP_Error(
 431              'rest_no_featured_media',
 432              sprintf(
 433                  /* translators: %s: attachment mime type */
 434                  __( 'This site does not support post thumbnails on attachments with MIME type %s.' ),
 435                  get_post_mime_type( $post_id )
 436              ),
 437              array( 'status' => 400 )
 438          );
 439      }
 440  
 441      /**
 442       * Updates a single attachment.
 443       *
 444       * @since 4.7.0
 445       *
 446       * @param WP_REST_Request $request Full details about the request.
 447       * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
 448       */
 449  	public function update_item( $request ) {
 450          if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
 451              return new WP_Error(
 452                  'rest_invalid_param',
 453                  __( 'Invalid parent type.' ),
 454                  array( 'status' => 400 )
 455              );
 456          }
 457  
 458          $attachment_before = get_post( $request['id'] );
 459          $response          = parent::update_item( $request );
 460  
 461          if ( is_wp_error( $response ) ) {
 462              return $response;
 463          }
 464  
 465          $response = rest_ensure_response( $response );
 466          $data     = $response->get_data();
 467  
 468          if ( isset( $request['alt_text'] ) ) {
 469              update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] );
 470          }
 471  
 472          $attachment = get_post( $request['id'] );
 473  
 474          if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {
 475              $thumbnail_update = $this->handle_featured_media( $request['featured_media'], $attachment->ID );
 476  
 477              if ( is_wp_error( $thumbnail_update ) ) {
 478                  return $thumbnail_update;
 479              }
 480          }
 481  
 482          $fields_update = $this->update_additional_fields_for_object( $attachment, $request );
 483  
 484          if ( is_wp_error( $fields_update ) ) {
 485              return $fields_update;
 486          }
 487  
 488          $request->set_param( 'context', 'edit' );
 489  
 490          /** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */
 491          do_action( 'rest_after_insert_attachment', $attachment, $request, false );
 492  
 493          wp_after_insert_post( $attachment, true, $attachment_before );
 494  
 495          $response = $this->prepare_item_for_response( $attachment, $request );
 496          $response = rest_ensure_response( $response );
 497  
 498          return $response;
 499      }
 500  
 501      /**
 502       * Performs post-processing on an attachment.
 503       *
 504       * @since 5.3.0
 505       *
 506       * @param WP_REST_Request $request Full details about the request.
 507       * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
 508       */
 509  	public function post_process_item( $request ) {
 510          switch ( $request['action'] ) {
 511              case 'create-image-subsizes':
 512                  require_once  ABSPATH . 'wp-admin/includes/image.php';
 513                  wp_update_image_subsizes( $request['id'] );
 514                  break;
 515          }
 516  
 517          $request['context'] = 'edit';
 518  
 519          return $this->prepare_item_for_response( get_post( $request['id'] ), $request );
 520      }
 521  
 522      /**
 523       * Checks if a given request can perform post-processing on an attachment.
 524       *
 525       * @since 5.3.0
 526       *
 527       * @param WP_REST_Request $request Full details about the request.
 528       * @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.
 529       */
 530  	public function post_process_item_permissions_check( $request ) {
 531          return $this->update_item_permissions_check( $request );
 532      }
 533  
 534      /**
 535       * Checks if a given request has access to editing media.
 536       *
 537       * @since 5.5.0
 538       *
 539       * @param WP_REST_Request $request Full details about the request.
 540       * @return true|WP_Error True if the request has read access, WP_Error object otherwise.
 541       */
 542  	public function edit_media_item_permissions_check( $request ) {
 543          if ( ! current_user_can( 'upload_files' ) ) {
 544              return new WP_Error(
 545                  'rest_cannot_edit_image',
 546                  __( 'Sorry, you are not allowed to upload media on this site.' ),
 547                  array( 'status' => rest_authorization_required_code() )
 548              );
 549          }
 550  
 551          return $this->update_item_permissions_check( $request );
 552      }
 553  
 554      /**
 555       * Applies edits to a media item and creates a new attachment record.
 556       *
 557       * @since 5.5.0
 558       * @since 6.9.0 Adds flips capability and editable fields for the newly-created attachment post.
 559       *
 560       * @param WP_REST_Request $request Full details about the request.
 561       * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.
 562       */
 563  	public function edit_media_item( $request ) {
 564          require_once  ABSPATH . 'wp-admin/includes/image.php';
 565  
 566          $attachment_id = $request['id'];
 567  
 568          // This also confirms the attachment is an image.
 569          $image_file = wp_get_original_image_path( $attachment_id );
 570          $image_meta = wp_get_attachment_metadata( $attachment_id );
 571  
 572          if (
 573              ! $image_meta ||
 574              ! $image_file ||
 575              ! wp_image_file_matches_image_meta( $request['src'], $image_meta, $attachment_id )
 576          ) {
 577              return new WP_Error(
 578                  'rest_unknown_attachment',
 579                  __( 'Unable to get meta information for file.' ),
 580                  array( 'status' => 404 )
 581              );
 582          }
 583  
 584          $supported_types = array( 'image/jpeg', 'image/png', 'image/gif', 'image/webp', 'image/avif', 'image/heic' );
 585          $mime_type       = get_post_mime_type( $attachment_id );
 586          if ( ! in_array( $mime_type, $supported_types, true ) ) {
 587              return new WP_Error(
 588                  'rest_cannot_edit_file_type',
 589                  __( 'This type of file cannot be edited.' ),
 590                  array( 'status' => 400 )
 591              );
 592          }
 593  
 594          // The `modifiers` param takes precedence over the older format.
 595          if ( isset( $request['modifiers'] ) ) {
 596              $modifiers = $request['modifiers'];
 597          } else {
 598              $modifiers = array();
 599  
 600              if ( isset( $request['flip']['horizontal'] ) || isset( $request['flip']['vertical'] ) ) {
 601                  $flip_args = array(
 602                      'vertical'   => isset( $request['flip']['vertical'] ) ? (bool) $request['flip']['vertical'] : false,
 603                      'horizontal' => isset( $request['flip']['horizontal'] ) ? (bool) $request['flip']['horizontal'] : false,
 604                  );
 605  
 606                  $modifiers[] = array(
 607                      'type' => 'flip',
 608                      'args' => array(
 609                          'flip' => $flip_args,
 610                      ),
 611                  );
 612              }
 613  
 614              if ( ! empty( $request['rotation'] ) ) {
 615                  $modifiers[] = array(
 616                      'type' => 'rotate',
 617                      'args' => array(
 618                          'angle' => $request['rotation'],
 619                      ),
 620                  );
 621              }
 622  
 623              if ( isset( $request['x'], $request['y'], $request['width'], $request['height'] ) ) {
 624                  $modifiers[] = array(
 625                      'type' => 'crop',
 626                      'args' => array(
 627                          'left'   => $request['x'],
 628                          'top'    => $request['y'],
 629                          'width'  => $request['width'],
 630                          'height' => $request['height'],
 631                      ),
 632                  );
 633              }
 634  
 635              if ( 0 === count( $modifiers ) ) {
 636                  return new WP_Error(
 637                      'rest_image_not_edited',
 638                      __( 'The image was not edited. Edit the image before applying the changes.' ),
 639                      array( 'status' => 400 )
 640                  );
 641              }
 642          }
 643  
 644          /*
 645           * If the file doesn't exist, attempt a URL fopen on the src link.
 646           * This can occur with certain file replication plugins.
 647           * Keep the original file path to get a modified name later.
 648           */
 649          $image_file_to_edit = $image_file;
 650          if ( ! file_exists( $image_file_to_edit ) ) {
 651              $image_file_to_edit = _load_image_to_edit_path( $attachment_id );
 652          }
 653  
 654          $image_editor = wp_get_image_editor( $image_file_to_edit );
 655  
 656          if ( is_wp_error( $image_editor ) ) {
 657              return new WP_Error(
 658                  'rest_unknown_image_file_type',
 659                  __( 'Unable to edit this image.' ),
 660                  array( 'status' => 500 )
 661              );
 662          }
 663  
 664          foreach ( $modifiers as $modifier ) {
 665              $args = $modifier['args'];
 666              switch ( $modifier['type'] ) {
 667                  case 'flip':
 668                      /*
 669                       * Flips the current image.
 670                       * The vertical flip is the first argument (flip along horizontal axis), the horizontal flip is the second argument (flip along vertical axis).
 671                       * See: WP_Image_Editor::flip()
 672                       */
 673                      $result = $image_editor->flip( $args['flip']['vertical'], $args['flip']['horizontal'] );
 674                      if ( is_wp_error( $result ) ) {
 675                          return new WP_Error(
 676                              'rest_image_flip_failed',
 677                              __( 'Unable to flip this image.' ),
 678                              array( 'status' => 500 )
 679                          );
 680                      }
 681                      break;
 682                  case 'rotate':
 683                      // Rotation direction: clockwise vs. counterclockwise.
 684                      $rotate = 0 - $args['angle'];
 685  
 686                      if ( 0 !== $rotate ) {
 687                          $result = $image_editor->rotate( $rotate );
 688  
 689                          if ( is_wp_error( $result ) ) {
 690                              return new WP_Error(
 691                                  'rest_image_rotation_failed',
 692                                  __( 'Unable to rotate this image.' ),
 693                                  array( 'status' => 500 )
 694                              );
 695                          }
 696                      }
 697  
 698                      break;
 699  
 700                  case 'crop':
 701                      $size = $image_editor->get_size();
 702  
 703                      $crop_x = (int) round( ( $size['width'] * $args['left'] ) / 100.0 );
 704                      $crop_y = (int) round( ( $size['height'] * $args['top'] ) / 100.0 );
 705                      $width  = (int) round( ( $size['width'] * $args['width'] ) / 100.0 );
 706                      $height = (int) round( ( $size['height'] * $args['height'] ) / 100.0 );
 707  
 708                      if ( $size['width'] !== $width || $size['height'] !== $height ) {
 709                          $result = $image_editor->crop( $crop_x, $crop_y, $width, $height );
 710  
 711                          if ( is_wp_error( $result ) ) {
 712                              return new WP_Error(
 713                                  'rest_image_crop_failed',
 714                                  __( 'Unable to crop this image.' ),
 715                                  array( 'status' => 500 )
 716                              );
 717                          }
 718                      }
 719  
 720                      break;
 721  
 722              }
 723          }
 724  
 725          // Calculate the file name.
 726          $image_ext  = pathinfo( $image_file, PATHINFO_EXTENSION );
 727          $image_name = wp_basename( $image_file, ".{$image_ext}" );
 728  
 729          /*
 730           * Do not append multiple `-edited` to the file name.
 731           * The user may be editing a previously edited image.
 732           */
 733          if ( preg_match( '/-edited(-\d+)?$/', $image_name ) ) {
 734              // Remove any `-1`, `-2`, etc. `wp_unique_filename()` will add the proper number.
 735              $image_name = preg_replace( '/-edited(-\d+)?$/', '-edited', $image_name );
 736          } else {
 737              // Append `-edited` before the extension.
 738              $image_name .= '-edited';
 739          }
 740  
 741          $filename = "{$image_name}.{$image_ext}";
 742  
 743          // Create the uploads subdirectory if needed.
 744          $uploads = wp_upload_dir();
 745  
 746          // Make the file name unique in the (new) upload directory.
 747          $filename = wp_unique_filename( $uploads['path'], $filename );
 748  
 749          // Save to disk.
 750          $saved = $image_editor->save( $uploads['path'] . "/$filename" );
 751  
 752          if ( is_wp_error( $saved ) ) {
 753              return $saved;
 754          }
 755  
 756          // Grab original attachment post so we can use it to set defaults.
 757          $original_attachment_post = get_post( $attachment_id );
 758  
 759          // Check request fields and assign default values.
 760          $new_attachment_post                 = $this->prepare_item_for_database( $request );
 761          $new_attachment_post->post_mime_type = $saved['mime-type'];
 762          $new_attachment_post->guid           = $uploads['url'] . "/$filename";
 763  
 764          // Unset ID so wp_insert_attachment generates a new ID.
 765          unset( $new_attachment_post->ID );
 766  
 767          // Set new attachment post title with fallbacks.
 768          $new_attachment_post->post_title = $new_attachment_post->post_title ?? $original_attachment_post->post_title ?? $image_name;
 769  
 770          // Set new attachment post caption (post_excerpt).
 771          $new_attachment_post->post_excerpt = $new_attachment_post->post_excerpt ?? $original_attachment_post->post_excerpt ?? '';
 772  
 773          // Set new attachment post description (post_content) with fallbacks.
 774          $new_attachment_post->post_content = $new_attachment_post->post_content ?? $original_attachment_post->post_content ?? '';
 775  
 776          // Set post parent if set in request, else the default of `0` (no parent).
 777          $new_attachment_post->post_parent = $new_attachment_post->post_parent ?? 0;
 778  
 779          // Insert the new attachment post.
 780          $new_attachment_id = wp_insert_attachment( wp_slash( $new_attachment_post ), $saved['path'], 0, true );
 781  
 782          if ( is_wp_error( $new_attachment_id ) ) {
 783              if ( 'db_update_error' === $new_attachment_id->get_error_code() ) {
 784                  $new_attachment_id->add_data( array( 'status' => 500 ) );
 785              } else {
 786                  $new_attachment_id->add_data( array( 'status' => 400 ) );
 787              }
 788  
 789              return $new_attachment_id;
 790          }
 791  
 792          // First, try to use the alt text from the request. If not set, copy the image alt text from the original attachment.
 793          $image_alt = isset( $request['alt_text'] ) ? sanitize_text_field( $request['alt_text'] ) : get_post_meta( $attachment_id, '_wp_attachment_image_alt', true );
 794  
 795          if ( ! empty( $image_alt ) ) {
 796              // update_post_meta() expects slashed.
 797              update_post_meta( $new_attachment_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
 798          }
 799  
 800          if ( wp_is_serving_rest_request() ) {
 801              /*
 802               * Set a custom header with the attachment_id.
 803               * Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.
 804               */
 805              header( 'X-WP-Upload-Attachment-ID: ' . $new_attachment_id );
 806          }
 807  
 808          // Generate image sub-sizes and meta.
 809          $new_image_meta = wp_generate_attachment_metadata( $new_attachment_id, $saved['path'] );
 810  
 811          // Copy the EXIF metadata from the original attachment if not generated for the edited image.
 812          if ( isset( $image_meta['image_meta'] ) && isset( $new_image_meta['image_meta'] ) && is_array( $new_image_meta['image_meta'] ) ) {
 813              // Merge but skip empty values.
 814              foreach ( (array) $image_meta['image_meta'] as $key => $value ) {
 815                  if ( empty( $new_image_meta['image_meta'][ $key ] ) && ! empty( $value ) ) {
 816                      $new_image_meta['image_meta'][ $key ] = $value;
 817                  }
 818              }
 819          }
 820  
 821          // Reset orientation. At this point the image is edited and orientation is correct.
 822          if ( ! empty( $new_image_meta['image_meta']['orientation'] ) ) {
 823              $new_image_meta['image_meta']['orientation'] = 1;
 824          }
 825  
 826          // The attachment_id may change if the site is exported and imported.
 827          $new_image_meta['parent_image'] = array(
 828              'attachment_id' => $attachment_id,
 829              // Path to the originally uploaded image file relative to the uploads directory.
 830              'file'          => _wp_relative_upload_path( $image_file ),
 831          );
 832  
 833          /**
 834           * Filters the meta data for the new image created by editing an existing image.
 835           *
 836           * @since 5.5.0
 837           *
 838           * @param array $new_image_meta    Meta data for the new image.
 839           * @param int   $new_attachment_id Attachment post ID for the new image.
 840           * @param int   $attachment_id     Attachment post ID for the edited (parent) image.
 841           */
 842          $new_image_meta = apply_filters( 'wp_edited_image_metadata', $new_image_meta, $new_attachment_id, $attachment_id );
 843  
 844          wp_update_attachment_metadata( $new_attachment_id, $new_image_meta );
 845  
 846          $response = $this->prepare_item_for_response( get_post( $new_attachment_id ), $request );
 847          $response->set_status( 201 );
 848          $response->header( 'Location', rest_url( sprintf( '%s/%s/%s', $this->namespace, $this->rest_base, $new_attachment_id ) ) );
 849  
 850          return $response;
 851      }
 852  
 853      /**
 854       * Prepares a single attachment for create or update.
 855       *
 856       * @since 4.7.0
 857       *
 858       * @param WP_REST_Request $request Request object.
 859       * @return stdClass|WP_Error Post object.
 860       */
 861  	protected function prepare_item_for_database( $request ) {
 862          $prepared_attachment = parent::prepare_item_for_database( $request );
 863  
 864          // Attachment caption (post_excerpt internally).
 865          if ( isset( $request['caption'] ) ) {
 866              if ( is_string( $request['caption'] ) ) {
 867                  $prepared_attachment->post_excerpt = $request['caption'];
 868              } elseif ( isset( $request['caption']['raw'] ) ) {
 869                  $prepared_attachment->post_excerpt = $request['caption']['raw'];
 870              }
 871          }
 872  
 873          // Attachment description (post_content internally).
 874          if ( isset( $request['description'] ) ) {
 875              if ( is_string( $request['description'] ) ) {
 876                  $prepared_attachment->post_content = $request['description'];
 877              } elseif ( isset( $request['description']['raw'] ) ) {
 878                  $prepared_attachment->post_content = $request['description']['raw'];
 879              }
 880          }
 881  
 882          if ( isset( $request['post'] ) ) {
 883              $prepared_attachment->post_parent = (int) $request['post'];
 884          }
 885  
 886          return $prepared_attachment;
 887      }
 888  
 889      /**
 890       * Prepares a single attachment output for response.
 891       *
 892       * @since 4.7.0
 893       * @since 5.9.0 Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support.
 894       *
 895       * @param WP_Post         $item    Attachment object.
 896       * @param WP_REST_Request $request Request object.
 897       * @return WP_REST_Response Response object.
 898       */
 899  	public function prepare_item_for_response( $item, $request ) {
 900          // Restores the more descriptive, specific name for use within this method.
 901          $post = $item;
 902  
 903          $response = parent::prepare_item_for_response( $post, $request );
 904          $fields   = $this->get_fields_for_response( $request );
 905          $data     = $response->get_data();
 906  
 907          if ( in_array( 'description', $fields, true ) ) {
 908              $data['description'] = array(
 909                  'raw'      => $post->post_content,
 910                  /** This filter is documented in wp-includes/post-template.php */
 911                  'rendered' => apply_filters( 'the_content', $post->post_content ),
 912              );
 913          }
 914  
 915          if ( in_array( 'caption', $fields, true ) ) {
 916              /** This filter is documented in wp-includes/post-template.php */
 917              $caption = apply_filters( 'get_the_excerpt', $post->post_excerpt, $post );
 918  
 919              /** This filter is documented in wp-includes/post-template.php */
 920              $caption = apply_filters( 'the_excerpt', $caption );
 921  
 922              $data['caption'] = array(
 923                  'raw'      => $post->post_excerpt,
 924                  'rendered' => $caption,
 925              );
 926          }
 927  
 928          if ( in_array( 'alt_text', $fields, true ) ) {
 929              $data['alt_text'] = get_post_meta( $post->ID, '_wp_attachment_image_alt', true );
 930          }
 931  
 932          if ( in_array( 'media_type', $fields, true ) ) {
 933              $data['media_type'] = wp_attachment_is_image( $post->ID ) ? 'image' : 'file';
 934          }
 935  
 936          if ( in_array( 'mime_type', $fields, true ) ) {
 937              $data['mime_type'] = $post->post_mime_type;
 938          }
 939  
 940          if ( in_array( 'media_details', $fields, true ) ) {
 941              $data['media_details'] = wp_get_attachment_metadata( $post->ID );
 942  
 943              // Ensure empty details is an empty object.
 944              if ( empty( $data['media_details'] ) ) {
 945                  $data['media_details'] = new stdClass();
 946              } elseif ( ! empty( $data['media_details']['sizes'] ) ) {
 947  
 948                  foreach ( $data['media_details']['sizes'] as $size => &$size_data ) {
 949  
 950                      if ( isset( $size_data['mime-type'] ) ) {
 951                          $size_data['mime_type'] = $size_data['mime-type'];
 952                          unset( $size_data['mime-type'] );
 953                      }
 954  
 955                      // Use the same method image_downsize() does.
 956                      $image_src = wp_get_attachment_image_src( $post->ID, $size );
 957                      if ( ! $image_src ) {
 958                          continue;
 959                      }
 960  
 961                      $size_data['source_url'] = $image_src[0];
 962                  }
 963  
 964                  $full_src = wp_get_attachment_image_src( $post->ID, 'full' );
 965  
 966                  if ( ! empty( $full_src ) ) {
 967                      $data['media_details']['sizes']['full'] = array(
 968                          'file'       => wp_basename( $full_src[0] ),
 969                          'width'      => $full_src[1],
 970                          'height'     => $full_src[2],
 971                          'mime_type'  => $post->post_mime_type,
 972                          'source_url' => $full_src[0],
 973                      );
 974                  }
 975              } else {
 976                  $data['media_details']['sizes'] = new stdClass();
 977              }
 978          }
 979  
 980          if ( in_array( 'post', $fields, true ) ) {
 981              $data['post'] = ! empty( $post->post_parent ) ? (int) $post->post_parent : null;
 982          }
 983  
 984          if ( in_array( 'source_url', $fields, true ) ) {
 985              $data['source_url'] = wp_get_attachment_url( $post->ID );
 986          }
 987  
 988          if ( in_array( 'missing_image_sizes', $fields, true ) ) {
 989              require_once  ABSPATH . 'wp-admin/includes/image.php';
 990              $data['missing_image_sizes'] = array_keys( wp_get_missing_image_subsizes( $post->ID ) );
 991          }
 992  
 993          $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
 994  
 995          $data = $this->filter_response_by_context( $data, $context );
 996  
 997          $links = $response->get_links();
 998  
 999          // Wrap the data in a response object.
1000          $response = rest_ensure_response( $data );
1001  
1002          foreach ( $links as $rel => $rel_links ) {
1003              foreach ( $rel_links as $link ) {
1004                  $response->add_link( $rel, $link['href'], $link['attributes'] );
1005              }
1006          }
1007  
1008          /**
1009           * Filters an attachment returned from the REST API.
1010           *
1011           * Allows modification of the attachment right before it is returned.
1012           *
1013           * @since 4.7.0
1014           *
1015           * @param WP_REST_Response $response The response object.
1016           * @param WP_Post          $post     The original attachment post.
1017           * @param WP_REST_Request  $request  Request used to generate the response.
1018           */
1019          return apply_filters( 'rest_prepare_attachment', $response, $post, $request );
1020      }
1021  
1022      /**
1023       * Prepares attachment links for the request.
1024       *
1025       * @since 6.9.0
1026       *
1027       * @param WP_Post $post Post object.
1028       * @return array Links for the given attachment.
1029       */
1030  	protected function prepare_links( $post ) {
1031          $links = parent::prepare_links( $post );
1032  
1033          if ( ! empty( $post->post_parent ) ) {
1034              $post = get_post( $post->post_parent );
1035  
1036              if ( ! empty( $post ) ) {
1037                  $links['https://api.w.org/attached-to'] = array(
1038                      'href'       => rest_url( rest_get_route_for_post( $post ) ),
1039                      'embeddable' => true,
1040                      'post_type'  => $post->post_type,
1041                      'id'         => $post->ID,
1042                  );
1043              }
1044          }
1045  
1046          return $links;
1047      }
1048  
1049      /**
1050       * Retrieves the attachment's schema, conforming to JSON Schema.
1051       *
1052       * @since 4.7.0
1053       *
1054       * @return array Item schema as an array.
1055       */
1056  	public function get_item_schema() {
1057          if ( $this->schema ) {
1058              return $this->add_additional_fields_schema( $this->schema );
1059          }
1060  
1061          $schema = parent::get_item_schema();
1062  
1063          $schema['properties']['alt_text'] = array(
1064              'description' => __( 'Alternative text to display when attachment is not displayed.' ),
1065              'type'        => 'string',
1066              'context'     => array( 'view', 'edit', 'embed' ),
1067              'arg_options' => array(
1068                  'sanitize_callback' => 'sanitize_text_field',
1069              ),
1070          );
1071  
1072          $schema['properties']['caption'] = array(
1073              'description' => __( 'The attachment caption.' ),
1074              'type'        => 'object',
1075              'context'     => array( 'view', 'edit', 'embed' ),
1076              'arg_options' => array(
1077                  'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
1078                  'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
1079              ),
1080              'properties'  => array(
1081                  'raw'      => array(
1082                      'description' => __( 'Caption for the attachment, as it exists in the database.' ),
1083                      'type'        => 'string',
1084                      'context'     => array( 'edit' ),
1085                  ),
1086                  'rendered' => array(
1087                      'description' => __( 'HTML caption for the attachment, transformed for display.' ),
1088                      'type'        => 'string',
1089                      'context'     => array( 'view', 'edit', 'embed' ),
1090                      'readonly'    => true,
1091                  ),
1092              ),
1093          );
1094  
1095          $schema['properties']['description'] = array(
1096              'description' => __( 'The attachment description.' ),
1097              'type'        => 'object',
1098              'context'     => array( 'view', 'edit' ),
1099              'arg_options' => array(
1100                  'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
1101                  'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
1102              ),
1103              'properties'  => array(
1104                  'raw'      => array(
1105                      'description' => __( 'Description for the attachment, as it exists in the database.' ),
1106                      'type'        => 'string',
1107                      'context'     => array( 'edit' ),
1108                  ),
1109                  'rendered' => array(
1110                      'description' => __( 'HTML description for the attachment, transformed for display.' ),
1111                      'type'        => 'string',
1112                      'context'     => array( 'view', 'edit' ),
1113                      'readonly'    => true,
1114                  ),
1115              ),
1116          );
1117  
1118          $schema['properties']['media_type'] = array(
1119              'description' => __( 'Attachment type.' ),
1120              'type'        => 'string',
1121              'enum'        => array( 'image', 'file' ),
1122              'context'     => array( 'view', 'edit', 'embed' ),
1123              'readonly'    => true,
1124          );
1125  
1126          $schema['properties']['mime_type'] = array(
1127              'description' => __( 'The attachment MIME type.' ),
1128              'type'        => 'string',
1129              'context'     => array( 'view', 'edit', 'embed' ),
1130              'readonly'    => true,
1131          );
1132  
1133          $schema['properties']['media_details'] = array(
1134              'description' => __( 'Details about the media file, specific to its type.' ),
1135              'type'        => 'object',
1136              'context'     => array( 'view', 'edit', 'embed' ),
1137              'readonly'    => true,
1138          );
1139  
1140          $schema['properties']['post'] = array(
1141              'description' => __( 'The ID for the associated post of the attachment.' ),
1142              'type'        => 'integer',
1143              'context'     => array( 'view', 'edit' ),
1144          );
1145  
1146          $schema['properties']['source_url'] = array(
1147              'description' => __( 'URL to the original attachment file.' ),
1148              'type'        => 'string',
1149              'format'      => 'uri',
1150              'context'     => array( 'view', 'edit', 'embed' ),
1151              'readonly'    => true,
1152          );
1153  
1154          $schema['properties']['missing_image_sizes'] = array(
1155              'description' => __( 'List of the missing image sizes of the attachment.' ),
1156              'type'        => 'array',
1157              'items'       => array( 'type' => 'string' ),
1158              'context'     => array( 'edit' ),
1159              'readonly'    => true,
1160          );
1161  
1162          unset( $schema['properties']['password'] );
1163  
1164          $this->schema = $schema;
1165  
1166          return $this->add_additional_fields_schema( $this->schema );
1167      }
1168  
1169      /**
1170       * Handles an upload via raw POST data.
1171       *
1172       * @since 4.7.0
1173       * @since 6.6.0 Added the `$time` parameter.
1174       *
1175       * @param string      $data    Supplied file data.
1176       * @param array       $headers HTTP headers from the request.
1177       * @param string|null $time    Optional. Time formatted in 'yyyy/mm'. Default null.
1178       * @return array|WP_Error Data from wp_handle_sideload().
1179       */
1180  	protected function upload_from_data( $data, $headers, $time = null ) {
1181          if ( empty( $data ) ) {
1182              return new WP_Error(
1183                  'rest_upload_no_data',
1184                  __( 'No data supplied.' ),
1185                  array( 'status' => 400 )
1186              );
1187          }
1188  
1189          if ( empty( $headers['content_type'] ) ) {
1190              return new WP_Error(
1191                  'rest_upload_no_content_type',
1192                  __( 'No Content-Type supplied.' ),
1193                  array( 'status' => 400 )
1194              );
1195          }
1196  
1197          if ( empty( $headers['content_disposition'] ) ) {
1198              return new WP_Error(
1199                  'rest_upload_no_content_disposition',
1200                  __( 'No Content-Disposition supplied.' ),
1201                  array( 'status' => 400 )
1202              );
1203          }
1204  
1205          $filename = self::get_filename_from_disposition( $headers['content_disposition'] );
1206  
1207          if ( empty( $filename ) ) {
1208              return new WP_Error(
1209                  'rest_upload_invalid_disposition',
1210                  __( 'Invalid Content-Disposition supplied. Content-Disposition needs to be formatted as `attachment; filename="image.png"` or similar.' ),
1211                  array( 'status' => 400 )
1212              );
1213          }
1214  
1215          if ( ! empty( $headers['content_md5'] ) ) {
1216              $content_md5 = array_shift( $headers['content_md5'] );
1217              $expected    = trim( $content_md5 );
1218              $actual      = md5( $data );
1219  
1220              if ( $expected !== $actual ) {
1221                  return new WP_Error(
1222                      'rest_upload_hash_mismatch',
1223                      __( 'Content hash did not match expected.' ),
1224                      array( 'status' => 412 )
1225                  );
1226              }
1227          }
1228  
1229          // Get the content-type.
1230          $type = array_shift( $headers['content_type'] );
1231  
1232          // Include filesystem functions to get access to wp_tempnam() and wp_handle_sideload().
1233          require_once  ABSPATH . 'wp-admin/includes/file.php';
1234  
1235          // Save the file.
1236          $tmpfname = wp_tempnam( $filename );
1237  
1238          $fp = fopen( $tmpfname, 'w+' );
1239  
1240          if ( ! $fp ) {
1241              return new WP_Error(
1242                  'rest_upload_file_error',
1243                  __( 'Could not open file handle.' ),
1244                  array( 'status' => 500 )
1245              );
1246          }
1247  
1248          fwrite( $fp, $data );
1249          fclose( $fp );
1250  
1251          // Now, sideload it in.
1252          $file_data = array(
1253              'error'    => null,
1254              'tmp_name' => $tmpfname,
1255              'name'     => $filename,
1256              'type'     => $type,
1257          );
1258  
1259          $size_check = self::check_upload_size( $file_data );
1260          if ( is_wp_error( $size_check ) ) {
1261              return $size_check;
1262          }
1263  
1264          $overrides = array(
1265              'test_form' => false,
1266          );
1267  
1268          $sideloaded = wp_handle_sideload( $file_data, $overrides, $time );
1269  
1270          if ( isset( $sideloaded['error'] ) ) {
1271              @unlink( $tmpfname );
1272  
1273              return new WP_Error(
1274                  'rest_upload_sideload_error',
1275                  $sideloaded['error'],
1276                  array( 'status' => 500 )
1277              );
1278          }
1279  
1280          return $sideloaded;
1281      }
1282  
1283      /**
1284       * Parses filename from a Content-Disposition header value.
1285       *
1286       * As per RFC6266:
1287       *
1288       *     content-disposition = "Content-Disposition" ":"
1289       *                            disposition-type *( ";" disposition-parm )
1290       *
1291       *     disposition-type    = "inline" | "attachment" | disp-ext-type
1292       *                         ; case-insensitive
1293       *     disp-ext-type       = token
1294       *
1295       *     disposition-parm    = filename-parm | disp-ext-parm
1296       *
1297       *     filename-parm       = "filename" "=" value
1298       *                         | "filename*" "=" ext-value
1299       *
1300       *     disp-ext-parm       = token "=" value
1301       *                         | ext-token "=" ext-value
1302       *     ext-token           = <the characters in token, followed by "*">
1303       *
1304       * @since 4.7.0
1305       *
1306       * @link https://tools.ietf.org/html/rfc2388
1307       * @link https://tools.ietf.org/html/rfc6266
1308       *
1309       * @param string[] $disposition_header List of Content-Disposition header values.
1310       * @return string|null Filename if available, or null if not found.
1311       */
1312  	public static function get_filename_from_disposition( $disposition_header ) {
1313          // Get the filename.
1314          $filename = null;
1315  
1316          foreach ( $disposition_header as $value ) {
1317              $value = trim( $value );
1318  
1319              if ( ! str_contains( $value, ';' ) ) {
1320                  continue;
1321              }
1322  
1323              list( , $attr_parts ) = explode( ';', $value, 2 );
1324  
1325              $attr_parts = explode( ';', $attr_parts );
1326              $attributes = array();
1327  
1328              foreach ( $attr_parts as $part ) {
1329                  if ( ! str_contains( $part, '=' ) ) {
1330                      continue;
1331                  }
1332  
1333                  list( $key, $value ) = explode( '=', $part, 2 );
1334  
1335                  $attributes[ trim( $key ) ] = trim( $value );
1336              }
1337  
1338              if ( empty( $attributes['filename'] ) ) {
1339                  continue;
1340              }
1341  
1342              $filename = trim( $attributes['filename'] );
1343  
1344              // Unquote quoted filename, but after trimming.
1345              if ( str_starts_with( $filename, '"' ) && str_ends_with( $filename, '"' ) ) {
1346                  $filename = substr( $filename, 1, -1 );
1347              }
1348          }
1349  
1350          return $filename;
1351      }
1352  
1353      /**
1354       * Retrieves the query params for collections of attachments.
1355       *
1356       * @since 4.7.0
1357       * @since 6.9.0 Extends the `media_type` and `mime_type` request arguments to support array values.
1358       *
1359       * @return array Query parameters for the attachment collection as an array.
1360       */
1361  	public function get_collection_params() {
1362          $params                            = parent::get_collection_params();
1363          $params['status']['default']       = 'inherit';
1364          $params['status']['items']['enum'] = array( 'inherit', 'private', 'trash' );
1365          $media_types                       = array_keys( $this->get_media_types() );
1366  
1367          $params['media_type'] = array(
1368              'default'     => null,
1369              'description' => __( 'Limit result set to attachments of a particular media type or media types.' ),
1370              'type'        => 'array',
1371              'items'       => array(
1372                  'type' => 'string',
1373                  'enum' => $media_types,
1374              ),
1375          );
1376  
1377          $params['mime_type'] = array(
1378              'default'     => null,
1379              'description' => __( 'Limit result set to attachments of a particular MIME type or MIME types.' ),
1380              'type'        => 'array',
1381              'items'       => array(
1382                  'type' => 'string',
1383              ),
1384          );
1385  
1386          return $params;
1387      }
1388  
1389      /**
1390       * Handles an upload via multipart/form-data ($_FILES).
1391       *
1392       * @since 4.7.0
1393       * @since 6.6.0 Added the `$time` parameter.
1394       *
1395       * @param array       $files   Data from the `$_FILES` superglobal.
1396       * @param array       $headers HTTP headers from the request.
1397       * @param string|null $time    Optional. Time formatted in 'yyyy/mm'. Default null.
1398       * @return array|WP_Error Data from wp_handle_upload().
1399       */
1400  	protected function upload_from_file( $files, $headers, $time = null ) {
1401          if ( empty( $files ) ) {
1402              return new WP_Error(
1403                  'rest_upload_no_data',
1404                  __( 'No data supplied.' ),
1405                  array( 'status' => 400 )
1406              );
1407          }
1408  
1409          // Verify hash, if given.
1410          if ( ! empty( $headers['content_md5'] ) ) {
1411              $content_md5 = array_shift( $headers['content_md5'] );
1412              $expected    = trim( $content_md5 );
1413              $actual      = md5_file( $files['file']['tmp_name'] );
1414  
1415              if ( $expected !== $actual ) {
1416                  return new WP_Error(
1417                      'rest_upload_hash_mismatch',
1418                      __( 'Content hash did not match expected.' ),
1419                      array( 'status' => 412 )
1420                  );
1421              }
1422          }
1423  
1424          // Pass off to WP to handle the actual upload.
1425          $overrides = array(
1426              'test_form' => false,
1427          );
1428  
1429          // Bypasses is_uploaded_file() when running unit tests.
1430          if ( defined( 'DIR_TESTDATA' ) && DIR_TESTDATA ) {
1431              $overrides['action'] = 'wp_handle_mock_upload';
1432          }
1433  
1434          $size_check = self::check_upload_size( $files['file'] );
1435          if ( is_wp_error( $size_check ) ) {
1436              return $size_check;
1437          }
1438  
1439          // Include filesystem functions to get access to wp_handle_upload().
1440          require_once  ABSPATH . 'wp-admin/includes/file.php';
1441  
1442          $file = wp_handle_upload( $files['file'], $overrides, $time );
1443  
1444          if ( isset( $file['error'] ) ) {
1445              return new WP_Error(
1446                  'rest_upload_unknown_error',
1447                  $file['error'],
1448                  array( 'status' => 500 )
1449              );
1450          }
1451  
1452          return $file;
1453      }
1454  
1455      /**
1456       * Retrieves the supported media types.
1457       *
1458       * Media types are considered the MIME type category.
1459       *
1460       * @since 4.7.0
1461       *
1462       * @return array Array of supported media types.
1463       */
1464  	protected function get_media_types() {
1465          $media_types = array();
1466  
1467          foreach ( get_allowed_mime_types() as $mime_type ) {
1468              $parts = explode( '/', $mime_type );
1469  
1470              if ( ! isset( $media_types[ $parts[0] ] ) ) {
1471                  $media_types[ $parts[0] ] = array();
1472              }
1473  
1474              $media_types[ $parts[0] ][] = $mime_type;
1475          }
1476  
1477          return $media_types;
1478      }
1479  
1480      /**
1481       * Determine if uploaded file exceeds space quota on multisite.
1482       *
1483       * Replicates check_upload_size().
1484       *
1485       * @since 4.9.8
1486       *
1487       * @param array $file $_FILES array for a given file.
1488       * @return true|WP_Error True if can upload, error for errors.
1489       */
1490  	protected function check_upload_size( $file ) {
1491          if ( ! is_multisite() ) {
1492              return true;
1493          }
1494  
1495          if ( get_site_option( 'upload_space_check_disabled' ) ) {
1496              return true;
1497          }
1498  
1499          $space_left = get_upload_space_available();
1500  
1501          $file_size = filesize( $file['tmp_name'] );
1502  
1503          if ( $space_left < $file_size ) {
1504              return new WP_Error(
1505                  'rest_upload_limited_space',
1506                  /* translators: %s: Required disk space in kilobytes. */
1507                  sprintf( __( 'Not enough space to upload. %s KB needed.' ), number_format( ( $file_size - $space_left ) / KB_IN_BYTES ) ),
1508                  array( 'status' => 400 )
1509              );
1510          }
1511  
1512          if ( $file_size > ( KB_IN_BYTES * get_site_option( 'fileupload_maxk', 1500 ) ) ) {
1513              return new WP_Error(
1514                  'rest_upload_file_too_big',
1515                  /* translators: %s: Maximum allowed file size in kilobytes. */
1516                  sprintf( __( 'This file is too big. Files must be less than %s KB in size.' ), get_site_option( 'fileupload_maxk', 1500 ) ),
1517                  array( 'status' => 400 )
1518              );
1519          }
1520  
1521          // Include multisite admin functions to get access to upload_is_user_over_quota().
1522          require_once  ABSPATH . 'wp-admin/includes/ms.php';
1523  
1524          if ( upload_is_user_over_quota( false ) ) {
1525              return new WP_Error(
1526                  'rest_upload_user_quota_exceeded',
1527                  __( 'You have used your space quota. Please delete files before uploading.' ),
1528                  array( 'status' => 400 )
1529              );
1530          }
1531  
1532          return true;
1533      }
1534  
1535      /**
1536       * Gets the request args for the edit item route.
1537       *
1538       * @since 5.5.0
1539       * @since 6.9.0 Adds flips capability and editable fields for the newly-created attachment post.
1540       *
1541       * @return array
1542       */
1543  	protected function get_edit_media_item_args() {
1544          $args = array(
1545              'src'       => array(
1546                  'description' => __( 'URL to the edited image file.' ),
1547                  'type'        => 'string',
1548                  'format'      => 'uri',
1549                  'required'    => true,
1550              ),
1551              // The `modifiers` param takes precedence over the older format.
1552              'modifiers' => array(
1553                  'description' => __( 'Array of image edits.' ),
1554                  'type'        => 'array',
1555                  'minItems'    => 1,
1556                  'items'       => array(
1557                      'description' => __( 'Image edit.' ),
1558                      'type'        => 'object',
1559                      'required'    => array(
1560                          'type',
1561                          'args',
1562                      ),
1563                      'oneOf'       => array(
1564                          array(
1565                              'title'      => __( 'Flip' ),
1566                              'properties' => array(
1567                                  'type' => array(
1568                                      'description' => __( 'Flip type.' ),
1569                                      'type'        => 'string',
1570                                      'enum'        => array( 'flip' ),
1571                                  ),
1572                                  'args' => array(
1573                                      'description' => __( 'Flip arguments.' ),
1574                                      'type'        => 'object',
1575                                      'required'    => array(
1576                                          'flip',
1577                                      ),
1578                                      'properties'  => array(
1579                                          'flip' => array(
1580                                              'description' => __( 'Flip direction.' ),
1581                                              'type'        => 'object',
1582                                              'required'    => array(
1583                                                  'horizontal',
1584                                                  'vertical',
1585                                              ),
1586                                              'properties'  => array(
1587                                                  'horizontal' => array(
1588                                                      'description' => __( 'Whether to flip in the horizontal direction.' ),
1589                                                      'type' => 'boolean',
1590                                                  ),
1591                                                  'vertical' => array(
1592                                                      'description' => __( 'Whether to flip in the vertical direction.' ),
1593                                                      'type' => 'boolean',
1594                                                  ),
1595                                              ),
1596                                          ),
1597                                      ),
1598                                  ),
1599                              ),
1600                          ),
1601                          array(
1602                              'title'      => __( 'Rotation' ),
1603                              'properties' => array(
1604                                  'type' => array(
1605                                      'description' => __( 'Rotation type.' ),
1606                                      'type'        => 'string',
1607                                      'enum'        => array( 'rotate' ),
1608                                  ),
1609                                  'args' => array(
1610                                      'description' => __( 'Rotation arguments.' ),
1611                                      'type'        => 'object',
1612                                      'required'    => array(
1613                                          'angle',
1614                                      ),
1615                                      'properties'  => array(
1616                                          'angle' => array(
1617                                              'description' => __( 'Angle to rotate clockwise in degrees.' ),
1618                                              'type'        => 'number',
1619                                          ),
1620                                      ),
1621                                  ),
1622                              ),
1623                          ),
1624                          array(
1625                              'title'      => __( 'Crop' ),
1626                              'properties' => array(
1627                                  'type' => array(
1628                                      'description' => __( 'Crop type.' ),
1629                                      'type'        => 'string',
1630                                      'enum'        => array( 'crop' ),
1631                                  ),
1632                                  'args' => array(
1633                                      'description' => __( 'Crop arguments.' ),
1634                                      'type'        => 'object',
1635                                      'required'    => array(
1636                                          'left',
1637                                          'top',
1638                                          'width',
1639                                          'height',
1640                                      ),
1641                                      'properties'  => array(
1642                                          'left'   => array(
1643                                              'description' => __( 'Horizontal position from the left to begin the crop as a percentage of the image width.' ),
1644                                              'type'        => 'number',
1645                                          ),
1646                                          'top'    => array(
1647                                              'description' => __( 'Vertical position from the top to begin the crop as a percentage of the image height.' ),
1648                                              'type'        => 'number',
1649                                          ),
1650                                          'width'  => array(
1651                                              'description' => __( 'Width of the crop as a percentage of the image width.' ),
1652                                              'type'        => 'number',
1653                                          ),
1654                                          'height' => array(
1655                                              'description' => __( 'Height of the crop as a percentage of the image height.' ),
1656                                              'type'        => 'number',
1657                                          ),
1658                                      ),
1659                                  ),
1660                              ),
1661                          ),
1662                      ),
1663                  ),
1664              ),
1665              'rotation'  => array(
1666                  'description'      => __( 'The amount to rotate the image clockwise in degrees. DEPRECATED: Use `modifiers` instead.' ),
1667                  'type'             => 'integer',
1668                  'minimum'          => 0,
1669                  'exclusiveMinimum' => true,
1670                  'maximum'          => 360,
1671                  'exclusiveMaximum' => true,
1672              ),
1673              'x'         => array(
1674                  'description' => __( 'As a percentage of the image, the x position to start the crop from. DEPRECATED: Use `modifiers` instead.' ),
1675                  'type'        => 'number',
1676                  'minimum'     => 0,
1677                  'maximum'     => 100,
1678              ),
1679              'y'         => array(
1680                  'description' => __( 'As a percentage of the image, the y position to start the crop from. DEPRECATED: Use `modifiers` instead.' ),
1681                  'type'        => 'number',
1682                  'minimum'     => 0,
1683                  'maximum'     => 100,
1684              ),
1685              'width'     => array(
1686                  'description' => __( 'As a percentage of the image, the width to crop the image to. DEPRECATED: Use `modifiers` instead.' ),
1687                  'type'        => 'number',
1688                  'minimum'     => 0,
1689                  'maximum'     => 100,
1690              ),
1691              'height'    => array(
1692                  'description' => __( 'As a percentage of the image, the height to crop the image to. DEPRECATED: Use `modifiers` instead.' ),
1693                  'type'        => 'number',
1694                  'minimum'     => 0,
1695                  'maximum'     => 100,
1696              ),
1697          );
1698  
1699          /*
1700           * Get the args based on the post schema. This calls `rest_get_endpoint_args_for_schema()`,
1701           * which also takes care of sanitization and validation.
1702           */
1703          $update_item_args = $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE );
1704  
1705          if ( isset( $update_item_args['caption'] ) ) {
1706              $args['caption'] = $update_item_args['caption'];
1707          }
1708  
1709          if ( isset( $update_item_args['description'] ) ) {
1710              $args['description'] = $update_item_args['description'];
1711          }
1712  
1713          if ( isset( $update_item_args['title'] ) ) {
1714              $args['title'] = $update_item_args['title'];
1715          }
1716  
1717          if ( isset( $update_item_args['post'] ) ) {
1718              $args['post'] = $update_item_args['post'];
1719          }
1720  
1721          if ( isset( $update_item_args['alt_text'] ) ) {
1722              $args['alt_text'] = $update_item_args['alt_text'];
1723          }
1724  
1725          return $args;
1726      }
1727  }


Generated : Wed Oct 15 08:20:04 2025 Cross-referenced by PHPXref