Edit File by line

<?php

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/**

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* REST API: WP_REST_Attachments_Controller class

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* @package WordPress

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* @subpackage REST_API

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* @since 4.7.0

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/**

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* Core controller used to access attachments via the REST API.

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* @since 4.7.0

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* @see WP_REST_Posts_Controller

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class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {

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/**

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* Whether the controller supports batching.

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* @since 5.9.0

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* @var false

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protected $allow_batch = false;

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/**

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* Registers the routes for attachments.

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* @since 5.3.0

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* @see register_rest_route()

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public function register_routes() {

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parent::register_routes();

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base . '/(?P<id>[\d]+)/post-process',

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array(

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'methods' => WP_REST_Server::CREATABLE,

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'callback' => array( $this, 'post_process_item' ),

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'permission_callback' => array( $this, 'post_process_item_permissions_check' ),

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'args' => array(

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'id' => array(

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'description' => __( 'Unique identifier for the attachment.' ),

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'type' => 'integer',

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'action' => array(

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'type' => 'string',

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'enum' => array( 'create-image-subsizes' ),

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'required' => true,

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)

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);

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base . '/(?P<id>[\d]+)/edit',

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array(

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'methods' => WP_REST_Server::CREATABLE,

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'callback' => array( $this, 'edit_media_item' ),

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'permission_callback' => array( $this, 'edit_media_item_permissions_check' ),

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'args' => $this->get_edit_media_item_args(),

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)

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);

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}

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/**

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* Determines the allowed query_vars for a get_items() response and

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* prepares for WP_Query.

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* @since 4.7.0

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* @param array $prepared_args Optional. Array of prepared arguments. Default empty array.

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* @param WP_REST_Request $request Optional. Request to prepare items for.

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* @return array Array of query arguments.

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protected function prepare_items_query( $prepared_args = array(), $request = null ) {

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$query_args = parent::prepare_items_query( $prepared_args, $request );

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if ( empty( $query_args['post_status'] ) ) {

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$query_args['post_status'] = 'inherit';

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}

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$media_types = $this->get_media_types();

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if ( ! empty( $request['media_type'] ) && isset( $media_types[ $request['media_type'] ] ) ) {

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$query_args['post_mime_type'] = $media_types[ $request['media_type'] ];

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}

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if ( ! empty( $request['mime_type'] ) ) {

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$parts = explode( '/', $request['mime_type'] );

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if ( isset( $media_types[ $parts[0] ] ) && in_array( $request['mime_type'], $media_types[ $parts[0] ], true ) ) {

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$query_args['post_mime_type'] = $request['mime_type'];

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}

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}

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// Filter query clauses to include filenames.

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if ( isset( $query_args['s'] ) ) {

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add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );

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}

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return $query_args;

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}

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/**

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* Checks if a given request has access to create an attachment.

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return true|WP_Error Boolean true if the attachment may be created, or a WP_Error if not.

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public function create_item_permissions_check( $request ) {

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$ret = parent::create_item_permissions_check( $request );

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if ( ! $ret || is_wp_error( $ret ) ) {

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return $ret;

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}

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if ( ! current_user_can( 'upload_files' ) ) {

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return new WP_Error(

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'rest_cannot_create',

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__( 'Sorry, you are not allowed to upload media on this site.' ),

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array( 'status' => 400 )

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);

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}

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// Attaching media to a post requires ability to edit said post.

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if ( ! empty( $request['post'] ) && ! current_user_can( 'edit_post', (int) $request['post'] ) ) {

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return new WP_Error(

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'rest_cannot_edit',

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__( 'Sorry, you are not allowed to upload media to this post.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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return true;

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}

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/**

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* Creates a single attachment.

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.

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public function create_item( $request ) {

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if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {

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return new WP_Error(

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'rest_invalid_param',

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__( 'Invalid parent type.' ),

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array( 'status' => 400 )

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);

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}

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$insert = $this->insert_attachment( $request );

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if ( is_wp_error( $insert ) ) {

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return $insert;

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}

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$schema = $this->get_item_schema();

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// Extract by name.

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$attachment_id = $insert['attachment_id'];

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$file = $insert['file'];

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if ( isset( $request['alt_text'] ) ) {

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update_post_meta( $attachment_id, '_wp_attachment_image_alt', sanitize_text_field( $request['alt_text'] ) );

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}

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if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {

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$thumbnail_update = $this->handle_featured_media( $request['featured_media'], $attachment_id );

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if ( is_wp_error( $thumbnail_update ) ) {

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return $thumbnail_update;

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}

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}

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if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {

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$meta_update = $this->meta->update_value( $request['meta'], $attachment_id );

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if ( is_wp_error( $meta_update ) ) {

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return $meta_update;

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}

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}

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$attachment = get_post( $attachment_id );

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$fields_update = $this->update_additional_fields_for_object( $attachment, $request );

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if ( is_wp_error( $fields_update ) ) {

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return $fields_update;

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}

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$terms_update = $this->handle_terms( $attachment_id, $request );

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if ( is_wp_error( $terms_update ) ) {

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return $terms_update;

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}

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$request->set_param( 'context', 'edit' );

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/**

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* Fires after a single attachment is completely created or updated via the REST API.

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* @since 5.0.0

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* @param WP_Post $attachment Inserted or updated attachment object.

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* @param WP_REST_Request $request Request object.

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* @param bool $creating True when creating an attachment, false when updating.

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do_action( 'rest_after_insert_attachment', $attachment, $request, true );

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wp_after_insert_post( $attachment, false, null );

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if ( wp_is_serving_rest_request() ) {

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* Set a custom header with the attachment_id.

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* Used by the browser/client to resume creating image sub-sizes after a PHP fatal error.

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header( 'X-WP-Upload-Attachment-ID: ' . $attachment_id );

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}

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// Include media and image functions to get access to wp_generate_attachment_metadata().

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require_once ABSPATH . 'wp-admin/includes/media.php';

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require_once ABSPATH . 'wp-admin/includes/image.php';

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* Post-process the upload (create image sub-sizes, make PDF thumbnails, etc.) and insert attachment meta.

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* At this point the server may run out of resources and post-processing of uploaded images may fail.

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wp_update_attachment_metadata( $attachment_id, wp_generate_attachment_metadata( $attachment_id, $file ) );

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$response = $this->prepare_item_for_response( $attachment, $request );

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$response = rest_ensure_response( $response );

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$response->set_status( 201 );

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$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $attachment_id ) ) );

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return $response;

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}

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/**

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* Inserts the attachment post in the database. Does not update the attachment meta.

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* @since 5.3.0

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* @param WP_REST_Request $request

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* @return array|WP_Error

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protected function insert_attachment( $request ) {

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// Get the file via $_FILES or raw data.

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$files = $request->get_file_params();

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$headers = $request->get_headers();

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$time = null;

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// Matches logic in media_handle_upload().

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if ( ! empty( $request['post'] ) ) {

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$post = get_post( $request['post'] );

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// The post date doesn't usually matter for pages, so don't backdate this upload.

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if ( $post && 'page' !== $post->post_type && substr( $post->post_date, 0, 4 ) > 0 ) {

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$time = $post->post_date;

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}

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}

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if ( ! empty( $files ) ) {

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$file = $this->upload_from_file( $files, $headers, $time );

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} else {

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$file = $this->upload_from_data( $request->get_body(), $headers, $time );

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}

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if ( is_wp_error( $file ) ) {

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return $file;

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}

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$name = wp_basename( $file['file'] );

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$name_parts = pathinfo( $name );

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$name = trim( substr( $name, 0, -( 1 + strlen( $name_parts['extension'] ) ) ) );

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$url = $file['url'];

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$type = $file['type'];

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$file = $file['file'];

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// Include image functions to get access to wp_read_image_metadata().

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require_once ABSPATH . 'wp-admin/includes/image.php';

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// Use image exif/iptc data for title and caption defaults if possible.

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$image_meta = wp_read_image_metadata( $file );

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if ( ! empty( $image_meta ) ) {

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if ( empty( $request['title'] ) && trim( $image_meta['title'] ) && ! is_numeric( sanitize_title( $image_meta['title'] ) ) ) {

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$request['title'] = $image_meta['title'];

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}

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if ( empty( $request['caption'] ) && trim( $image_meta['caption'] ) ) {

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$request['caption'] = $image_meta['caption'];

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}

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}

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$attachment = $this->prepare_item_for_database( $request );

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$attachment->post_mime_type = $type;

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$attachment->guid = $url;

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// If the title was not set, use the original filename.

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if ( empty( $attachment->post_title ) && ! empty( $files['file']['name'] ) ) {

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// Remove the file extension (after the last `.`)

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$tmp_title = substr( $files['file']['name'], 0, strrpos( $files['file']['name'], '.' ) );

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if ( ! empty( $tmp_title ) ) {

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$attachment->post_title = $tmp_title;

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}

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}

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// Fall back to the original approach.

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if ( empty( $attachment->post_title ) ) {

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$attachment->post_title = preg_replace( '/\.[^.]+$/', '', wp_basename( $file ) );

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}

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// $post_parent is inherited from $attachment['post_parent'].

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$id = wp_insert_attachment( wp_slash( (array) $attachment ), $file, 0, true, false );

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if ( is_wp_error( $id ) ) {

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if ( 'db_update_error' === $id->get_error_code() ) {

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$id->add_data( array( 'status' => 500 ) );

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} else {

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$id->add_data( array( 'status' => 400 ) );

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}

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return $id;

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}

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$attachment = get_post( $id );

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/**

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* Fires after a single attachment is created or updated via the REST API.

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* @since 4.7.0

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* @param WP_Post $attachment Inserted or updated attachment

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* object.

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* @param WP_REST_Request $request The request sent to the API.

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* @param bool $creating True when creating an attachment, false when updating.

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do_action( 'rest_insert_attachment', $attachment, $request, true );

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return array(

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'attachment_id' => $id,

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'file' => $file,

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);

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}

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/**

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* Determines the featured media based on a request param.

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* @since 6.5.0

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* @param int $featured_media Featured Media ID.

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* @param int $post_id Post ID.

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* @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error.

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protected function handle_featured_media( $featured_media, $post_id ) {

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$post_type = get_post_type( $post_id );

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$thumbnail_support = current_theme_supports( 'post-thumbnails', $post_type ) && post_type_supports( $post_type, 'thumbnail' );

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// Similar check as in wp_insert_post().

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if ( ! $thumbnail_support && get_post_mime_type( $post_id ) ) {

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if ( wp_attachment_is( 'audio', $post_id ) ) {

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$thumbnail_support = post_type_supports( 'attachment:audio', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:audio' );

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} elseif ( wp_attachment_is( 'video', $post_id ) ) {

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$thumbnail_support = post_type_supports( 'attachment:video', 'thumbnail' ) || current_theme_supports( 'post-thumbnails', 'attachment:video' );

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}

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}

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if ( $thumbnail_support ) {

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return parent::handle_featured_media( $featured_media, $post_id );

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}

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return new WP_Error(

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'rest_no_featured_media',

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sprintf(

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/* translators: %s: attachment mime type */

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__( 'This site does not support post thumbnails on attachments with MIME type %s.' ),

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get_post_mime_type( $post_id )

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array( 'status' => 400 )

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);

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}

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/**

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* Updates a single attachment.

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* @since 4.7.0

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.

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public function update_item( $request ) {

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if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {

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return new WP_Error(

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'rest_invalid_param',

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__( 'Invalid parent type.' ),

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array( 'status' => 400 )

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);

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}

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$attachment_before = get_post( $request['id'] );

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$response = parent::update_item( $request );

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if ( is_wp_error( $response ) ) {

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return $response;

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}

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$response = rest_ensure_response( $response );

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$data = $response->get_data();

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if ( isset( $request['alt_text'] ) ) {

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update_post_meta( $data['id'], '_wp_attachment_image_alt', $request['alt_text'] );

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}

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$attachment = get_post( $request['id'] );

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if ( ! empty( $schema['properties']['featured_media'] ) && isset( $request['featured_media'] ) ) {

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$thumbnail_update = $this->handle_featured_media( $request['featured_media'], $attachment->ID );

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if ( is_wp_error( $thumbnail_update ) ) {

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return $thumbnail_update;

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}

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}

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$fields_update = $this->update_additional_fields_for_object( $attachment, $request );

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if ( is_wp_error( $fields_update ) ) {

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return $fields_update;

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}

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$request->set_param( 'context', 'edit' );

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/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php */

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do_action( 'rest_after_insert_attachment', $attachment, $request, false );

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wp_after_insert_post( $attachment, true, $attachment_before );

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$response = $this->prepare_item_for_response( $attachment, $request );

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$response = rest_ensure_response( $response );

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return $response;

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}

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/**

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* Performs post processing on an attachment.

[452] Fix | Delete

[453] Fix | Delete

* @since 5.3.0

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_REST_Response|WP_Error Response object on success, WP_Error object on failure.

[457] Fix | Delete

[458] Fix | Delete

public function post_process_item( $request ) {

[459] Fix | Delete

switch ( $request['action'] ) {

[460] Fix | Delete

case 'create-image-subsizes':

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require_once ABSPATH . 'wp-admin/includes/image.php';

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wp_update_image_subsizes( $request['id'] );

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break;

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}

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$request['context'] = 'edit';

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return $this->prepare_item_for_response( get_post( $request['id'] ), $request );

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}

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[471] Fix | Delete

/**

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* Checks if a given request can perform post processing on an attachment.

[473] Fix | Delete

[474] Fix | Delete

* @since 5.3.0

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* @param WP_REST_Request $request Full details about the request.

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* @return true|WP_Error True if the request has access to update the item, WP_Error object otherwise.

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[479] Fix | Delete

public function post_process_item_permissions_check( $request ) {

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return $this->update_item_permissions_check( $request );

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}

[482] Fix | Delete

[483] Fix | Delete

/**

[484] Fix | Delete

* Checks if a given request has access to editing media.

[485] Fix | Delete

[486] Fix | Delete

* @since 5.5.0

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* @param WP_REST_Request $request Full details about the request.

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* @return true|WP_Error True if the request has read access, WP_Error object otherwise.

[490] Fix | Delete

[491] Fix | Delete

public function edit_media_item_permissions_check( $request ) {

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if ( ! current_user_can( 'upload_files' ) ) {

[493] Fix | Delete

return new WP_Error(

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'rest_cannot_edit_image',

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__( 'Sorry, you are not allowed to upload media on this site.' ),

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array( 'status' => rest_authorization_required_code() )

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);

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}

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