Docs: Add much more complete and syntactically correct documentation throughout the WP_REST_Attachments_Controller class.
Props Soean, mrahmadawais, flixos90. See #38398. git-svn-id: https://develop.svn.wordpress.org/trunk@39011 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Drew Jaynes
parent
4b478549d2
commit
19ef3b99e7
@ -1,41 +1,67 @@
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<?php
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/**
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* REST API: WP_REST_Attachments_Controller class
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*
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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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/**
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* Core controller used to access attachments via the REST API.
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*
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* @since 4.7.0
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*
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* @see WP_REST_Posts_Controller
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*/
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class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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/**
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* Determine the allowed query_vars for a get_items() response and
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* prepare for WP_Query.
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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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*
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* @param array $prepared_args Optional. Array of prepared arguments.
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* @since 4.7.0
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* @access protected
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*
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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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*/
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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'] ) || ! in_array( $query_args['post_status'], array( 'inherit', 'private', 'trash' ), true ) ) {
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$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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return $query_args;
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}
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/**
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* Check if a given request has access to create an attachment.
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* Checks if a given request has access to create an attachment.
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*
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* @param WP_REST_Request $request Full details about the request.
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* @since 4.7.0
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* @access public
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|true Boolean true if the attachment may be created, or a WP_Error if not.
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*/
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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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@ -48,6 +74,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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if ( ! empty( $request['post'] ) ) {
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$parent = $this->get_post( (int) $request['post'] );
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$post_parent_type = get_post_type_object( $parent->post_type );
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if ( ! current_user_can( $post_parent_type->cap->edit_post, $request['post'] ) ) {
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return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to upload media to this resource.' ), array( 'status' => rest_authorization_required_code() ) );
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}
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@ -57,7 +84,10 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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/**
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* Create a single attachment.
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* Creates a single attachment.
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*
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* @since 4.7.0
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* @access public
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|WP_REST_Response Response object on success, WP_Error object on failure.
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@ -68,9 +98,10 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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return new WP_Error( 'rest_invalid_param', __( 'Invalid parent type.' ), array( 'status' => 400 ) );
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}
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// Get the file via $_FILES or raw data
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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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if ( ! empty( $files ) ) {
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$file = $this->upload_from_file( $files, $headers );
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} else {
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@ -90,9 +121,8 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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$file = $file['file'];
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// use image exif/iptc data for title and caption defaults if possible
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// @codingStandardsIgnoreStart
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$image_meta = @wp_read_image_metadata( $file );
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// @codingStandardsIgnoreEnd
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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'] = $image_meta['title'];
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@ -113,6 +143,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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$id = wp_insert_post( $attachment, true );
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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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@ -121,6 +152,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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return $id;
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}
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$attachment = $this->get_post( $id );
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// Include admin functions to get access to wp_generate_attachment_metadata().
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@ -133,6 +165,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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$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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@ -146,18 +179,22 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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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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*
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* @since 4.7.0
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*
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* @param object $attachment Inserted attachment.
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* @param WP_REST_Request $request The request sent to the API.
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* @param boolean $creating True when creating an attachment, false when updating.
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* @param bool $creating True when creating an attachment, false when updating.
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*/
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do_action( 'rest_insert_attachment', $attachment, $request, true );
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return $response;
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}
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/**
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* Update a single post.
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* Updates a single attachment.
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*
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* @since 4.7.0
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* @access public
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*
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* @param WP_REST_Request $request Full details about the request.
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* @return WP_Error|WP_REST_Response Response object on success, WP_Error object on failure.
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@ -166,7 +203,9 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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if ( ! empty( $request['post'] ) && in_array( get_post_type( $request['post'] ), array( 'revision', 'attachment' ), true ) ) {
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return new WP_Error( 'rest_invalid_param', __( 'Invalid parent type.' ), array( 'status' => 400 ) );
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}
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$response = parent::update_item( $request );
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if ( is_wp_error( $response ) ) {
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return $response;
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}
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@ -181,6 +220,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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$attachment = $this->get_post( $request['id'] );
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$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 $fields_update;
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}
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@ -189,14 +229,17 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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$response = $this->prepare_item_for_response( $attachment, $request );
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$response = rest_ensure_response( $response );
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/* This action is documented in lib/endpoints/class-wp-rest-attachments-controller.php */
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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_insert_attachment', $data, $request, false );
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return $response;
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}
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/**
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* Prepare a single attachment for create or update.
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* Prepares a single attachment for create or update.
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*
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* @since 4.7.0
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* @access public
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*
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* @param WP_REST_Request $request Request object.
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* @return WP_Error|stdClass $prepared_attachment Post object.
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@ -220,9 +263,12 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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/**
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* Prepare a single attachment output for response.
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* Prepares a single attachment output for response.
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*
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* @param WP_Post $post Post object.
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* @since 4.7.0
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* @access public
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*
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* @param WP_Post $post Attachment object.
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* @param WP_REST_Request $request Request object.
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* @return WP_REST_Response Response object.
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*/
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@ -261,14 +307,15 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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$full_src = wp_get_attachment_image_src( $post->ID, 'full' );
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if ( ! empty( $full_src ) ) {
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$data['media_details']['sizes']['full'] = array(
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'file' => wp_basename( $full_src[0] ),
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'width' => $full_src[1],
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'height' => $full_src[2],
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'mime_type' => $post->post_mime_type,
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'source_url' => $full_src[0],
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);
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'file' => wp_basename( $full_src[0] ),
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'width' => $full_src[1],
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'height' => $full_src[2],
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'mime_type' => $post->post_mime_type,
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'source_url' => $full_src[0],
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);
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}
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} else {
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$data['media_details']['sizes'] = new stdClass;
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@ -284,19 +331,24 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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$response->add_links( $this->prepare_links( $post ) );
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/**
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* Filter an attachment returned from the API.
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* Filters an attachment returned from the REST API.
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*
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* Allows modification of the attachment right before it is returned.
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*
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* @param WP_REST_Response $response The response object.
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* @param WP_Post $post The original attachment post.
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* @param WP_REST_Request $request Request used to generate the response.
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* @since 4.7.0
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*
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* @param WP_REST_Response $response The response object.
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* @param WP_Post $post The original attachment post.
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* @param WP_REST_Request $request Request used to generate the response.
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*/
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return apply_filters( 'rest_prepare_attachment', $response, $post, $request );
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}
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/**
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* Get the Attachment's schema, conforming to JSON Schema.
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* Retrieves the attachment's schema, conforming to JSON Schema.
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*
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* @since 4.7.0
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* @access public
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*
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* @return array Item schema as an array.
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*/
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@ -312,6 +364,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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'sanitize_callback' => 'sanitize_text_field',
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),
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);
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$schema['properties']['caption'] = array(
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'description' => __( 'The caption for the resource.' ),
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'type' => 'string',
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@ -320,6 +373,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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'sanitize_callback' => 'wp_filter_post_kses',
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),
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);
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$schema['properties']['description'] = array(
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'description' => __( 'The description for the resource.' ),
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'type' => 'string',
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@ -328,6 +382,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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'sanitize_callback' => 'wp_filter_post_kses',
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),
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);
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$schema['properties']['media_type'] = array(
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'description' => __( 'Type of resource.' ),
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'type' => 'string',
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@ -335,23 +390,27 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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);
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$schema['properties']['mime_type'] = array(
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'description' => __( 'MIME type of resource.' ),
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'type' => 'string',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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);
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$schema['properties']['media_details'] = array(
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'description' => __( 'Details about the resource file, specific to its type.' ),
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'type' => 'object',
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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);
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$schema['properties']['post'] = array(
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'description' => __( 'The id for the associated post of the resource.' ),
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'type' => 'integer',
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'context' => array( 'view', 'edit' ),
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);
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$schema['properties']['source_url'] = array(
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'description' => __( 'URL to the original resource file.' ),
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'type' => 'string',
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@ -359,15 +418,19 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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'context' => array( 'view', 'edit', 'embed' ),
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'readonly' => true,
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);
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return $schema;
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}
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/**
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* Handle an upload via raw POST data.
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* Handles an upload via raw POST data.
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*
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* @since 4.7.0
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* @access protected
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*
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* @param array $data Supplied file data.
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* @param array $headers HTTP headers from the request.
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* @return array|WP_Error Data from {@see wp_handle_sideload()}.
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* @return array|WP_Error Data from wp_handle_sideload().
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*/
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protected function upload_from_data( $data, $headers ) {
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if ( empty( $data ) ) {
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@ -390,8 +453,8 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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if ( ! empty( $headers['content_md5'] ) ) {
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$content_md5 = array_shift( $headers['content_md5'] );
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$expected = trim( $content_md5 );
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$actual = md5( $data );
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$expected = trim( $content_md5 );
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$actual = md5( $data );
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if ( $expected !== $actual ) {
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return new WP_Error( 'rest_upload_hash_mismatch', __( 'Content hash did not match expected.' ), array( 'status' => 412 ) );
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@ -423,15 +486,16 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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'name' => $filename,
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'type' => $type,
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);
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$overrides = array(
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'test_form' => false,
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);
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$sideloaded = wp_handle_sideload( $file_data, $overrides );
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if ( isset( $sideloaded['error'] ) ) {
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// @codingStandardsIgnoreStart
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@unlink( $tmpfname );
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// @codingStandardsIgnoreEnd
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return new WP_Error( 'rest_upload_sideload_error', $sideloaded['error'], array( 'status' => 500 ) );
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}
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@ -439,7 +503,7 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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/**
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* Parse filename from a Content-Disposition header value.
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* Parses filename from a Content-Disposition header value.
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*
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* As per RFC6266:
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*
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@ -459,8 +523,11 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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* | ext-token "=" ext-value
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* ext-token = <the characters in token, followed by "*">
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*
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* @see http://tools.ietf.org/html/rfc2388
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* @see http://tools.ietf.org/html/rfc6266
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* @since 4.7.0
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* @access public
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*
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* @link http://tools.ietf.org/html/rfc2388
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* @link http://tools.ietf.org/html/rfc6266
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*
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* @param string[] $disposition_header List of Content-Disposition header values.
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* @return string|null Filename if available, or null if not found.
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@ -477,14 +544,17 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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list( $type, $attr_parts ) = explode( ';', $value, 2 );
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$attr_parts = explode( ';', $attr_parts );
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$attributes = array();
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foreach ( $attr_parts as $part ) {
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if ( strpos( $part, '=' ) === false ) {
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continue;
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}
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list( $key, $value ) = explode( '=', $part, 2 );
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$attributes[ trim( $key ) ] = trim( $value );
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}
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@ -504,7 +574,10 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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}
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/**
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* Get the query params for collections of attachments.
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* Retrieves the query params for collections of attachments.
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*
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* @since 4.7.0
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* @access public
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*
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* @return array Query parameters for the attachment collection as an array.
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*/
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@ -513,42 +586,52 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
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$params['status']['default'] = 'inherit';
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$params['status']['enum'] = array( 'inherit', 'private', 'trash' );
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$media_types = $this->get_media_types();
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$params['media_type'] = array(
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'default' => null,
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'description' => __( 'Limit result set to attachments of a particular media type.' ),
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'type' => 'string',
|
||||
'enum' => array_keys( $media_types ),
|
||||
'validate_callback' => 'rest_validate_request_arg',
|
||||
'default' => null,
|
||||
'description' => __( 'Limit result set to attachments of a particular media type.' ),
|
||||
'type' => 'string',
|
||||
'enum' => array_keys( $media_types ),
|
||||
'validate_callback' => 'rest_validate_request_arg',
|
||||
);
|
||||
|
||||
$params['mime_type'] = array(
|
||||
'default' => null,
|
||||
'description' => __( 'Limit result set to attachments of a particular MIME type.' ),
|
||||
'type' => 'string',
|
||||
'default' => null,
|
||||
'description' => __( 'Limit result set to attachments of a particular MIME type.' ),
|
||||
'type' => 'string',
|
||||
);
|
||||
|
||||
return $params;
|
||||
}
|
||||
|
||||
/**
|
||||
* Validate whether the user can query private statuses
|
||||
* Validates whether the user can query private statuses.
|
||||
*
|
||||
* @param mixed $value Status value.
|
||||
* @param WP_REST_Request $request Request object.
|
||||
* @param string $parameter Additional parameter to pass to validation.
|
||||
* @return WP_Error|boolean Boolean true if the user may query, WP_Error if not.
|
||||
* @since 4.7.0
|
||||
* @access public
|
||||
*
|
||||
* @param mixed $value Status value.
|
||||
* @param WP_REST_Request $request Request object.
|
||||
* @param string $parameter Additional parameter to pass for validation.
|
||||
* @return WP_Error|bool True if the user may query, WP_Error if not.
|
||||
*/
|
||||
public function validate_user_can_query_private_statuses( $value, $request, $parameter ) {
|
||||
if ( 'inherit' === $value ) {
|
||||
return true;
|
||||
}
|
||||
|
||||
return parent::validate_user_can_query_private_statuses( $value, $request, $parameter );
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle an upload via multipart/form-data ($_FILES).
|
||||
* Handles an upload via multipart/form-data ($_FILES).
|
||||
*
|
||||
* @param array $files Data from $_FILES.
|
||||
* @since 4.7.0
|
||||
* @access protected
|
||||
*
|
||||
* @param array $files Data from the `$_FILES` superglobal.
|
||||
* @param array $headers HTTP headers from the request.
|
||||
* @return array|WP_Error Data from {@see wp_handle_upload()}.
|
||||
* @return array|WP_Error Data from wp_handle_upload().
|
||||
*/
|
||||
protected function upload_from_file( $files, $headers ) {
|
||||
if ( empty( $files ) ) {
|
||||
@ -558,8 +641,9 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
|
||||
// Verify hash, if given.
|
||||
if ( ! empty( $headers['content_md5'] ) ) {
|
||||
$content_md5 = array_shift( $headers['content_md5'] );
|
||||
$expected = trim( $content_md5 );
|
||||
$actual = md5_file( $files['file']['tmp_name'] );
|
||||
$expected = trim( $content_md5 );
|
||||
$actual = md5_file( $files['file']['tmp_name'] );
|
||||
|
||||
if ( $expected !== $actual ) {
|
||||
return new WP_Error( 'rest_upload_hash_mismatch', __( 'Content hash did not match expected.' ), array( 'status' => 412 ) );
|
||||
}
|
||||
@ -569,13 +653,15 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
|
||||
$overrides = array(
|
||||
'test_form' => false,
|
||||
);
|
||||
|
||||
// Bypasses is_uploaded_file() when running unit tests.
|
||||
if ( defined( 'DIR_TESTDATA' ) && DIR_TESTDATA ) {
|
||||
$overrides['action'] = 'wp_handle_mock_upload';
|
||||
}
|
||||
|
||||
// Include admin functions to get access to wp_handle_upload().
|
||||
/** Include admin functions to get access to wp_handle_upload() */
|
||||
require_once ABSPATH . 'wp-admin/includes/admin.php';
|
||||
|
||||
$file = wp_handle_upload( $files['file'], $overrides );
|
||||
|
||||
if ( isset( $file['error'] ) ) {
|
||||
@ -586,21 +672,28 @@ class WP_REST_Attachments_Controller extends WP_REST_Posts_Controller {
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the supported media types.
|
||||
* Retrieves the supported media types.
|
||||
*
|
||||
* Media types are considered the MIME type category.
|
||||
*
|
||||
* @return array
|
||||
* @since 4.7.0
|
||||
* @access protected
|
||||
*
|
||||
* @return array Array of supported media types.
|
||||
*/
|
||||
protected function get_media_types() {
|
||||
$media_types = array();
|
||||
|
||||
foreach ( get_allowed_mime_types() as $mime_type ) {
|
||||
$parts = explode( '/', $mime_type );
|
||||
|
||||
if ( ! isset( $media_types[ $parts[0] ] ) ) {
|
||||
$media_types[ $parts[0] ] = array();
|
||||
}
|
||||
|
||||
$media_types[ $parts[0] ][] = $mime_type;
|
||||
}
|
||||
|
||||
return $media_types;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user