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| 1 | <?php |
| 2 | /** |
| 3 | * Attachments REST route |
| 4 | * |
| 5 | * @package automattic/jetpack-import |
| 6 | */ |
| 7 | |
| 8 | namespace Automattic\Jetpack\Import\Endpoints; |
| 9 | |
| 10 | use WP_Error; |
| 11 | use WP_REST_Request; |
| 12 | use WP_REST_Response; |
| 13 | |
| 14 | if ( ! defined( 'ABSPATH' ) ) { |
| 15 | exit( 0 ); |
| 16 | } |
| 17 | |
| 18 | /** |
| 19 | * Class Attachment |
| 20 | */ |
| 21 | class Attachment extends \WP_REST_Attachments_Controller { |
| 22 | |
| 23 | /** |
| 24 | * Base class |
| 25 | */ |
| 26 | use Import; |
| 27 | |
| 28 | /** |
| 29 | * The Import ID add a new item to the schema. |
| 30 | */ |
| 31 | use Import_ID; |
| 32 | |
| 33 | /** |
| 34 | * Whether the controller supports batching. Default false. |
| 35 | * |
| 36 | * @var false |
| 37 | */ |
| 38 | protected $allow_batch = false; |
| 39 | |
| 40 | /** |
| 41 | * Constructor. |
| 42 | */ |
| 43 | public function __construct() { |
| 44 | parent::__construct( 'attachment' ); |
| 45 | |
| 46 | // @see add_term_meta |
| 47 | $this->import_id_meta_type = 'post'; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * Registers the routes for the objects of the controller. |
| 52 | * |
| 53 | * @see WP_REST_Terms_Controller::register_rest_route() |
| 54 | */ |
| 55 | public function register_routes() { |
| 56 | register_rest_route( |
| 57 | self::$rest_namespace, |
| 58 | '/' . $this->rest_base, |
| 59 | $this->get_route_options() |
| 60 | ); |
| 61 | |
| 62 | register_rest_route( |
| 63 | self::$rest_namespace, |
| 64 | '/' . $this->rest_base . '/(?P<id>[\d]+)', |
| 65 | array( |
| 66 | 'args' => array( |
| 67 | 'id' => array( |
| 68 | 'description' => __( 'Unique identifier for the attachment.', 'jetpack-import' ), |
| 69 | 'type' => 'integer', |
| 70 | ), |
| 71 | ), |
| 72 | array( |
| 73 | 'methods' => \WP_REST_Server::EDITABLE, |
| 74 | 'callback' => array( $this, 'update_item' ), |
| 75 | 'permission_callback' => array( $this, 'update_item_permissions_check' ), |
| 76 | 'args' => $this->get_endpoint_args_for_item_schema( \WP_REST_Server::EDITABLE ), |
| 77 | ), |
| 78 | 'allow_batch' => array( 'v1' => true ), |
| 79 | 'schema' => array( $this, 'get_public_item_schema' ), |
| 80 | ) |
| 81 | ); |
| 82 | |
| 83 | register_rest_route( |
| 84 | self::$rest_namespace, |
| 85 | '/' . $this->rest_base . '/(?P<id>[\d]+)/post-process', |
| 86 | array( |
| 87 | 'methods' => \WP_REST_Server::CREATABLE, |
| 88 | 'callback' => array( $this, 'post_process_item' ), |
| 89 | 'permission_callback' => array( $this, 'import_permissions_callback' ), |
| 90 | 'args' => array( |
| 91 | 'id' => array( |
| 92 | 'description' => __( 'Unique identifier for the attachment.', 'jetpack-import' ), |
| 93 | 'type' => 'integer', |
| 94 | ), |
| 95 | 'action' => array( |
| 96 | 'type' => 'string', |
| 97 | 'enum' => array( 'create-image-subsizes' ), |
| 98 | 'required' => true, |
| 99 | ), |
| 100 | ), |
| 101 | ) |
| 102 | ); |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Create a single attachment. |
| 107 | * |
| 108 | * @param WP_REST_Request $request Full details about the request. |
| 109 | * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure. |
| 110 | */ |
| 111 | public function create_item( $request ) { |
| 112 | // Set the WP_IMPORTING constant to prevent sync notifications |
| 113 | $this->set_importing(); |
| 114 | $file_info = $this->get_file_info( $request ); |
| 115 | $attachment = $this->get_attachment_by_file_info( $file_info ); |
| 116 | if ( $attachment ) { |
| 117 | $response = $this->prepare_attachment_for_response( $attachment, $request ); |
| 118 | |
| 119 | if ( \is_wp_error( $response ) ) { |
| 120 | return $response; |
| 121 | } |
| 122 | |
| 123 | return new WP_Error( |
| 124 | 'attachment_exists', |
| 125 | __( 'The attachment already exists.', 'jetpack-import' ), |
| 126 | array( |
| 127 | 'status' => 409, |
| 128 | 'attachment' => $response, |
| 129 | 'attachment_id' => $attachment->ID, |
| 130 | ) |
| 131 | ); |
| 132 | } |
| 133 | |
| 134 | $this->set_upload_dir( $request ); |
| 135 | // Disable scaled image generation. |
| 136 | add_filter( 'big_image_size_threshold', '__return_false' ); |
| 137 | return parent::create_item( $request ); |
| 138 | } |
| 139 | |
| 140 | /** |
| 141 | * Updates a single attachment. |
| 142 | * |
| 143 | * @param WP_REST_Request $request Full details about the request. |
| 144 | * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure. |
| 145 | */ |
| 146 | public function update_item( $request ) { |
| 147 | $response = parent::update_item( $request ); |
| 148 | |
| 149 | return $this->add_import_id_metadata( $request, $response ); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Adds the schema from additional fields to a schema array. |
| 154 | * |
| 155 | * The type of object is inferred from the passed schema. |
| 156 | * |
| 157 | * @param array $schema Schema array. |
| 158 | * @return array Modified Schema array. |
| 159 | */ |
| 160 | public function add_additional_fields_schema( $schema ) { |
| 161 | // Validate the upload_date, used for placing the uploaded file in the correct upload directory. |
| 162 | $schema['properties']['upload_date'] = array( |
| 163 | 'description' => __( 'The date for the upload directory of the attachment.', 'jetpack-import' ), |
| 164 | 'type' => array( 'string', 'null' ), |
| 165 | 'pattern' => '^\d{4}\/\d{2}$', |
| 166 | 'required' => false, |
| 167 | ); |
| 168 | |
| 169 | // The unique identifier is only required for PUT requests. |
| 170 | return $this->add_unique_identifier_to_schema( $schema, isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'PUT' ); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Performs post-processing on an attachment. |
| 175 | * |
| 176 | * @param WP_REST_Request $request Full details about the request. |
| 177 | * @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure. |
| 178 | */ |
| 179 | public function post_process_item( $request ) { |
| 180 | require_once ABSPATH . 'wp-admin/includes/image.php'; |
| 181 | |
| 182 | \wp_update_image_subsizes( $request['id'] ); |
| 183 | $request['context'] = 'edit'; |
| 184 | |
| 185 | return $this->prepare_item_for_response( \get_post( $request['id'] ), $request ); |
| 186 | } |
| 187 | |
| 188 | /** |
| 189 | * Add a filter that rewrites the upload path. |
| 190 | * |
| 191 | * @param WP_REST_Request $request Full details about the request. |
| 192 | * |
| 193 | * @return void |
| 194 | * @throws \Exception If the date is invalid. |
| 195 | */ |
| 196 | protected function set_upload_dir( $request ) { |
| 197 | |
| 198 | if ( ! $request->get_param( 'upload_date' ) ) { |
| 199 | return; |
| 200 | } |
| 201 | |
| 202 | add_filter( |
| 203 | 'upload_dir', |
| 204 | static function ( $data ) use ( $request ) { |
| 205 | $date = $request->get_param( 'upload_date' ); |
| 206 | $fields_to_rewrite = array( 'path', 'url', 'subdir' ); |
| 207 | foreach ( $fields_to_rewrite as $field ) { |
| 208 | $data[ $field ] = preg_replace( '/\d{4}\/\d{2}$/', $date, $data[ $field ] ); |
| 209 | } |
| 210 | |
| 211 | return $data; |
| 212 | } |
| 213 | ); |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Prepares a single attachment for create or update. This function overrides the parent function |
| 218 | * |
| 219 | * @param WP_REST_Request $request Request object. |
| 220 | * @return \stdClass|WP_Error Post object. |
| 221 | */ |
| 222 | protected function prepare_item_for_database( $request ) { |
| 223 | $prepared_attachment = parent::prepare_item_for_database( $request ); |
| 224 | // date_gmt is equal to the date by default, so we need to override it. |
| 225 | if ( $request->get_param( 'date_gmt' ) ) { |
| 226 | $prepared_attachment->post_date_gmt = $request->get_param( 'date_gmt' ); |
| 227 | } |
| 228 | return $prepared_attachment; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * Retrieve the filename and MIME type from the request headers. |
| 233 | * |
| 234 | * @param WP_REST_Request $request Full details about the request. |
| 235 | * |
| 236 | * @return array An associative array containing the filename and MIME type. |
| 237 | */ |
| 238 | protected function get_file_info( $request ) { |
| 239 | // Get the filename from the Content-Disposition header. |
| 240 | $filename_header = $request->get_header( 'content_disposition' ); |
| 241 | $filename = self::get_filename_from_disposition( (array) $filename_header ); |
| 242 | $post_date_gmt = $request->get_param( 'date_gmt' ); |
| 243 | |
| 244 | // Get the MIME type from the Content-Type header. |
| 245 | $mime_type = $request->get_header( 'content_type' ); |
| 246 | |
| 247 | return array( |
| 248 | 'filename' => $filename, |
| 249 | 'mime_type' => $mime_type, |
| 250 | 'post_date_gmt' => $post_date_gmt, |
| 251 | ); |
| 252 | } |
| 253 | |
| 254 | /** |
| 255 | * Retrieve attachment metadata by file information. |
| 256 | * |
| 257 | * This function retrieves attachment metadata for a given file based on its filename, MIME type, and creation date. |
| 258 | * |
| 259 | * @param array $fileinfo An associative array containing information about the file. The array must contain the following keys: |
| 260 | * - 'filename': The name of the file. |
| 261 | * - 'mime_type': The MIME type of the file (e.g. 'image/jpeg'). |
| 262 | * - 'date': The creation date of the file (e.g. '2022-01-01 12:00:00'). |
| 263 | * |
| 264 | * @return mixed An associative array containing metadata for the attachment, or false if no attachment was found. |
| 265 | */ |
| 266 | protected function get_attachment_by_file_info( $fileinfo ) { |
| 267 | // Make sure all required variables are set and not empty |
| 268 | if ( empty( $fileinfo['filename'] ) || empty( $fileinfo['mime_type'] ) ) { |
| 269 | return false; |
| 270 | } |
| 271 | $original_filename = $fileinfo['filename']; |
| 272 | $mime_type = $fileinfo['mime_type']; |
| 273 | $post_date_gmt = $fileinfo['post_date_gmt']; |
| 274 | // From WordPress 5.3, we introduced the scaled image feature, so we'll also need to check for the scaled filename. |
| 275 | // https://make.wordpress.org/core/2019/10/09/introducing-handling-of-big-images-in-wordpress-5-3/ |
| 276 | $extension_pos = strrpos( $original_filename, '.' ); |
| 277 | $scaled_filename = substr( $original_filename, 0, $extension_pos ) . '-scaled' . substr( $original_filename, $extension_pos ); |
| 278 | $filename_check_array = array( $original_filename, $scaled_filename ); |
| 279 | |
| 280 | $args = array( |
| 281 | 'post_type' => 'attachment', |
| 282 | 'post_mime_type' => $mime_type, |
| 283 | 'date_query' => array( |
| 284 | array( |
| 285 | 'after' => $post_date_gmt, |
| 286 | 'before' => $post_date_gmt, |
| 287 | 'inclusive' => true, |
| 288 | 'column' => 'post_date_gmt', |
| 289 | ), |
| 290 | ), |
| 291 | 'posts_per_page' => 1, |
| 292 | ); |
| 293 | |
| 294 | $args['meta_query'] = array( 'relation' => 'OR' ); |
| 295 | foreach ( $filename_check_array as $filename ) { |
| 296 | $args['meta_query'][] = array( |
| 297 | 'key' => '_wp_attached_file', |
| 298 | 'value' => preg_quote( $filename, '/' ), |
| 299 | 'compare' => 'REGEXP', |
| 300 | ); |
| 301 | } |
| 302 | |
| 303 | $attachments = \get_posts( $args ); |
| 304 | |
| 305 | if ( ! empty( $attachments ) ) { |
| 306 | // Return the first attachment data found |
| 307 | return $attachments[0]; |
| 308 | } |
| 309 | return false; |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * Prepares an attachment object for REST API response and returns the resulting data as an array. |
| 314 | * |
| 315 | * @param object $attachment The attachment object to be prepared for response. |
| 316 | * @param object $request The REST API request object. |
| 317 | * |
| 318 | * @return array|WP_Error The prepared data as an array, or a WP_Error object if there was an error preparing the data. |
| 319 | */ |
| 320 | private function prepare_attachment_for_response( $attachment, $request ) { |
| 321 | // Prepare attachment data for response |
| 322 | $response = $this->prepare_item_for_response( $attachment, $request ); |
| 323 | |
| 324 | // Check if there was an error preparing the data |
| 325 | if ( \is_wp_error( $response ) ) { |
| 326 | return $response; |
| 327 | } |
| 328 | |
| 329 | return (array) $response->get_data(); |
| 330 | } |
| 331 | } |