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aaf99e6913
WordPress/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
Gary Pendergast aaf99e6913 Code is Poetry. 
WordPress' code just... wasn't.
This is now dealt with.

Props jrf, pento, netweb, GaryJ, jdgrimes, westonruter, Greg Sherwood from PHPCS, and everyone who's ever contributed to WPCS and PHPCS.
Fixes #41057.


Built from https://develop.svn.wordpress.org/trunk@42343


git-svn-id: http://core.svn.wordpress.org/trunk@42172 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2017-11-30 23:11:00 +00:00

1633 lines
52 KiB
PHP
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<?php
/**
* REST API: WP_REST_Comments_Controller class
*
* @package WordPress
* @subpackage REST_API
* @since 4.7.0
*/
/**
* Core controller used to access comments via the REST API.
*
* @since 4.7.0
*
* @see WP_REST_Controller
*/
class WP_REST_Comments_Controller extends WP_REST_Controller {
/**
* Instance of a comment meta fields object.
*
* @since 4.7.0
* @var WP_REST_Comment_Meta_Fields
*/
protected $meta;
/**
* Constructor.
*
* @since 4.7.0
*/
public function __construct() {
$this->namespace = 'wp/v2';
$this->rest_base = 'comments';
$this->meta = new WP_REST_Comment_Meta_Fields();
}
/**
* Registers the routes for the objects of the controller.
*
* @since 4.7.0
*/
public function register_routes() {
register_rest_route(
$this->namespace, '/' . $this->rest_base, array(
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_items' ),
'permission_callback' => array( $this, 'get_items_permissions_check' ),
'args' => $this->get_collection_params(),
),
array(
'methods' => WP_REST_Server::CREATABLE,
'callback' => array( $this, 'create_item' ),
'permission_callback' => array( $this, 'create_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
register_rest_route(
$this->namespace, '/' . $this->rest_base . '/(?P<id>[\d]+)', array(
'args' => array(
'id' => array(
'description' => __( 'Unique identifier for the object.' ),
'type' => 'integer',
),
),
array(
'methods' => WP_REST_Server::READABLE,
'callback' => array( $this, 'get_item' ),
'permission_callback' => array( $this, 'get_item_permissions_check' ),
'args' => array(
'context' => $this->get_context_param( array( 'default' => 'view' ) ),
'password' => array(
'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ),
'type' => 'string',
),
),
),
array(
'methods' => WP_REST_Server::EDITABLE,
'callback' => array( $this, 'update_item' ),
'permission_callback' => array( $this, 'update_item_permissions_check' ),
'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
),
array(
'methods' => WP_REST_Server::DELETABLE,
'callback' => array( $this, 'delete_item' ),
'permission_callback' => array( $this, 'delete_item_permissions_check' ),
'args' => array(
'force' => array(
'type' => 'boolean',
'default' => false,
'description' => __( 'Whether to bypass trash and force deletion.' ),
),
'password' => array(
'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ),
'type' => 'string',
),
),
),
'schema' => array( $this, 'get_public_item_schema' ),
)
);
}
/**
* Checks if a given request has access to read comments.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|bool True if the request has read access, error object otherwise.
*/
public function get_items_permissions_check( $request ) {
if ( ! empty( $request['post'] ) ) {
foreach ( (array) $request['post'] as $post_id ) {
$post = get_post( $post_id );
if ( ! empty( $post_id ) && $post && ! $this->check_read_post_permission( $post, $request ) ) {
return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) );
} elseif ( 0 === $post_id && ! current_user_can( 'moderate_comments' ) ) {
return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to read comments without a post.' ), array( 'status' => rest_authorization_required_code() ) );
}
}
}
if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) {
return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit comments.' ), array( 'status' => rest_authorization_required_code() ) );
}
if ( ! current_user_can( 'edit_posts' ) ) {
$protected_params = array( 'author', 'author_exclude', 'author_email', 'type', 'status' );
$forbidden_params = array();
foreach ( $protected_params as $param ) {
if ( 'status' === $param ) {
if ( 'approve' !== $request[ $param ] ) {
$forbidden_params[] = $param;
}
} elseif ( 'type' === $param ) {
if ( 'comment' !== $request[ $param ] ) {
$forbidden_params[] = $param;
}
} elseif ( ! empty( $request[ $param ] ) ) {
$forbidden_params[] = $param;
}
}
if ( ! empty( $forbidden_params ) ) {
return new WP_Error( 'rest_forbidden_param', sprintf( __( 'Query parameter not permitted: %s' ), implode( ', ', $forbidden_params ) ), array( 'status' => rest_authorization_required_code() ) );
}
}
return true;
}
/**
* Retrieves a list of comment items.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
*/
public function get_items( $request ) {
// Retrieve the list of registered collection query parameters.
$registered = $this->get_collection_params();
/*
* This array defines mappings between public API query parameters whose
* values are accepted as-passed, and their internal WP_Query parameter
* name equivalents (some are the same). Only values which are also
* present in $registered will be set.
*/
$parameter_mappings = array(
'author' => 'author__in',
'author_email' => 'author_email',
'author_exclude' => 'author__not_in',
'exclude' => 'comment__not_in',
'include' => 'comment__in',
'offset' => 'offset',
'order' => 'order',
'parent' => 'parent__in',
'parent_exclude' => 'parent__not_in',
'per_page' => 'number',
'post' => 'post__in',
'search' => 'search',
'status' => 'status',
'type' => 'type',
);
$prepared_args = array();
/*
* For each known parameter which is both registered and present in the request,
* set the parameter's value on the query $prepared_args.
*/
foreach ( $parameter_mappings as $api_param => $wp_param ) {
if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
$prepared_args[ $wp_param ] = $request[ $api_param ];
}
}
// Ensure certain parameter values default to empty strings.
foreach ( array( 'author_email', 'search' ) as $param ) {
if ( ! isset( $prepared_args[ $param ] ) ) {
$prepared_args[ $param ] = '';
}
}
if ( isset( $registered['orderby'] ) ) {
$prepared_args['orderby'] = $this->normalize_query_param( $request['orderby'] );
}
$prepared_args['no_found_rows'] = false;
$prepared_args['date_query'] = array();
// Set before into date query. Date query must be specified as an array of an array.
if ( isset( $registered['before'], $request['before'] ) ) {
$prepared_args['date_query'][0]['before'] = $request['before'];
}
// Set after into date query. Date query must be specified as an array of an array.
if ( isset( $registered['after'], $request['after'] ) ) {
$prepared_args['date_query'][0]['after'] = $request['after'];
}
if ( isset( $registered['page'] ) && empty( $request['offset'] ) ) {
$prepared_args['offset'] = $prepared_args['number'] * ( absint( $request['page'] ) - 1 );
}
/**
* Filters arguments, before passing to WP_Comment_Query, when querying comments via the REST API.
*
* @since 4.7.0
*
* @link https://developer.wordpress.org/reference/classes/wp_comment_query/
*
* @param array $prepared_args Array of arguments for WP_Comment_Query.
* @param WP_REST_Request $request The current request.
*/
$prepared_args = apply_filters( 'rest_comment_query', $prepared_args, $request );
$query = new WP_Comment_Query;
$query_result = $query->query( $prepared_args );
$comments = array();
foreach ( $query_result as $comment ) {
if ( ! $this->check_read_permission( $comment, $request ) ) {
continue;
}
$data = $this->prepare_item_for_response( $comment, $request );
$comments[] = $this->prepare_response_for_collection( $data );
}
$total_comments = (int) $query->found_comments;
$max_pages = (int) $query->max_num_pages;
if ( $total_comments < 1 ) {
// Out-of-bounds, run the query again without LIMIT for total count.
unset( $prepared_args['number'], $prepared_args['offset'] );
$query = new WP_Comment_Query;
$prepared_args['count'] = true;
$total_comments = $query->query( $prepared_args );
$max_pages = ceil( $total_comments / $request['per_page'] );
}
$response = rest_ensure_response( $comments );
$response->header( 'X-WP-Total', $total_comments );
$response->header( 'X-WP-TotalPages', $max_pages );
$base = add_query_arg( $request->get_query_params(), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
if ( $request['page'] > 1 ) {
$prev_page = $request['page'] - 1;
if ( $prev_page > $max_pages ) {
$prev_page = $max_pages;
}
$prev_link = add_query_arg( 'page', $prev_page, $base );
$response->link_header( 'prev', $prev_link );
}
if ( $max_pages > $request['page'] ) {
$next_page = $request['page'] + 1;
$next_link = add_query_arg( 'page', $next_page, $base );
$response->link_header( 'next', $next_link );
}
return $response;
}
/**
* Get the comment, if the ID is valid.
*
* @since 4.7.2
*
* @param int $id Supplied ID.
* @return WP_Comment|WP_Error Comment object if ID is valid, WP_Error otherwise.
*/
protected function get_comment( $id ) {
$error = new WP_Error( 'rest_comment_invalid_id', __( 'Invalid comment ID.' ), array( 'status' => 404 ) );
if ( (int) $id <= 0 ) {
return $error;
}
$id = (int) $id;
$comment = get_comment( $id );
if ( empty( $comment ) ) {
return $error;
}
if ( ! empty( $comment->comment_post_ID ) ) {
$post = get_post( (int) $comment->comment_post_ID );
if ( empty( $post ) ) {
return new WP_Error( 'rest_post_invalid_id', __( 'Invalid post ID.' ), array( 'status' => 404 ) );
}
}
return $comment;
}
/**
* Checks if a given request has access to read the comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|bool True if the request has read access for the item, error object otherwise.
*/
public function get_item_permissions_check( $request ) {
$comment = $this->get_comment( $request['id'] );
if ( is_wp_error( $comment ) ) {
return $comment;
}
if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) {
return new WP_Error( 'rest_forbidden_context', __( 'Sorry, you are not allowed to edit comments.' ), array( 'status' => rest_authorization_required_code() ) );
}
$post = get_post( $comment->comment_post_ID );
if ( ! $this->check_read_permission( $comment, $request ) ) {
return new WP_Error( 'rest_cannot_read', __( 'Sorry, you are not allowed to read this comment.' ), array( 'status' => rest_authorization_required_code() ) );
}
if ( $post && ! $this->check_read_post_permission( $post, $request ) ) {
return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Retrieves a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
*/
public function get_item( $request ) {
$comment = $this->get_comment( $request['id'] );
if ( is_wp_error( $comment ) ) {
return $comment;
}
$data = $this->prepare_item_for_response( $comment, $request );
$response = rest_ensure_response( $data );
return $response;
}
/**
* Checks if a given request has access to create a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|bool True if the request has access to create items, error object otherwise.
*/
public function create_item_permissions_check( $request ) {
if ( ! is_user_logged_in() ) {
if ( get_option( 'comment_registration' ) ) {
return new WP_Error( 'rest_comment_login_required', __( 'Sorry, you must be logged in to comment.' ), array( 'status' => 401 ) );
}
/**
* Filter whether comments can be created without authentication.
*
* Enables creating comments for anonymous users.
*
* @since 4.7.0
*
* @param bool $allow_anonymous Whether to allow anonymous comments to
* be created. Default `false`.
* @param WP_REST_Request $request Request used to generate the
* response.
*/
$allow_anonymous = apply_filters( 'rest_allow_anonymous_comments', false, $request );
if ( ! $allow_anonymous ) {
return new WP_Error( 'rest_comment_login_required', __( 'Sorry, you must be logged in to comment.' ), array( 'status' => 401 ) );
}
}
// Limit who can set comment `author`, `author_ip` or `status` to anything other than the default.
if ( isset( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( 'moderate_comments' ) ) {
return new WP_Error(
'rest_comment_invalid_author',
/* translators: %s: request parameter */
sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( isset( $request['author_ip'] ) && ! current_user_can( 'moderate_comments' ) ) {
if ( empty( $_SERVER['REMOTE_ADDR'] ) || $request['author_ip'] !== $_SERVER['REMOTE_ADDR'] ) {
return new WP_Error(
'rest_comment_invalid_author_ip',
/* translators: %s: request parameter */
sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author_ip' ),
array( 'status' => rest_authorization_required_code() )
);
}
}
if ( isset( $request['status'] ) && ! current_user_can( 'moderate_comments' ) ) {
return new WP_Error(
'rest_comment_invalid_status',
/* translators: %s: request parameter */
sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'status' ),
array( 'status' => rest_authorization_required_code() )
);
}
if ( empty( $request['post'] ) ) {
return new WP_Error( 'rest_comment_invalid_post_id', __( 'Sorry, you are not allowed to create this comment without a post.' ), array( 'status' => 403 ) );
}
$post = get_post( (int) $request['post'] );
if ( ! $post ) {
return new WP_Error( 'rest_comment_invalid_post_id', __( 'Sorry, you are not allowed to create this comment without a post.' ), array( 'status' => 403 ) );
}
if ( 'draft' === $post->post_status ) {
return new WP_Error( 'rest_comment_draft_post', __( 'Sorry, you are not allowed to create a comment on this post.' ), array( 'status' => 403 ) );
}
if ( 'trash' === $post->post_status ) {
return new WP_Error( 'rest_comment_trash_post', __( 'Sorry, you are not allowed to create a comment on this post.' ), array( 'status' => 403 ) );
}
if ( ! $this->check_read_post_permission( $post, $request ) ) {
return new WP_Error( 'rest_cannot_read_post', __( 'Sorry, you are not allowed to read the post for this comment.' ), array( 'status' => rest_authorization_required_code() ) );
}
if ( ! comments_open( $post->ID ) ) {
return new WP_Error( 'rest_comment_closed', __( 'Sorry, comments are closed for this item.' ), array( 'status' => 403 ) );
}
return true;
}
/**
* Creates a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
*/
public function create_item( $request ) {
if ( ! empty( $request['id'] ) ) {
return new WP_Error( 'rest_comment_exists', __( 'Cannot create existing comment.' ), array( 'status' => 400 ) );
}
// Do not allow comments to be created with a non-default type.
if ( ! empty( $request['type'] ) && 'comment' !== $request['type'] ) {
return new WP_Error( 'rest_invalid_comment_type', __( 'Cannot create a comment with that type.' ), array( 'status' => 400 ) );
}
$prepared_comment = $this->prepare_item_for_database( $request );
if ( is_wp_error( $prepared_comment ) ) {
return $prepared_comment;
}
$prepared_comment['comment_type'] = '';
/*
* Do not allow a comment to be created with missing or empty
* comment_content. See wp_handle_comment_submission().
*/
if ( empty( $prepared_comment['comment_content'] ) ) {
return new WP_Error( 'rest_comment_content_invalid', __( 'Invalid comment content.' ), array( 'status' => 400 ) );
}
// Setting remaining values before wp_insert_comment so we can use wp_allow_comment().
if ( ! isset( $prepared_comment['comment_date_gmt'] ) ) {
$prepared_comment['comment_date_gmt'] = current_time( 'mysql', true );
}
// Set author data if the user's logged in.
$missing_author = empty( $prepared_comment['user_id'] )
&& empty( $prepared_comment['comment_author'] )
&& empty( $prepared_comment['comment_author_email'] )
&& empty( $prepared_comment['comment_author_url'] );
if ( is_user_logged_in() && $missing_author ) {
$user = wp_get_current_user();
$prepared_comment['user_id'] = $user->ID;
$prepared_comment['comment_author'] = $user->display_name;
$prepared_comment['comment_author_email'] = $user->user_email;
$prepared_comment['comment_author_url'] = $user->user_url;
}
// Honor the discussion setting that requires a name and email address of the comment author.
if ( get_option( 'require_name_email' ) ) {
if ( empty( $prepared_comment['comment_author'] ) || empty( $prepared_comment['comment_author_email'] ) ) {
return new WP_Error( 'rest_comment_author_data_required', __( 'Creating a comment requires valid author name and email values.' ), array( 'status' => 400 ) );
}
}
if ( ! isset( $prepared_comment['comment_author_email'] ) ) {
$prepared_comment['comment_author_email'] = '';
}
if ( ! isset( $prepared_comment['comment_author_url'] ) ) {
$prepared_comment['comment_author_url'] = '';
}
if ( ! isset( $prepared_comment['comment_agent'] ) ) {
$prepared_comment['comment_agent'] = '';
}
$check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_comment );
if ( is_wp_error( $check_comment_lengths ) ) {
$error_code = $check_comment_lengths->get_error_code();
return new WP_Error( $error_code, __( 'Comment field exceeds maximum length allowed.' ), array( 'status' => 400 ) );
}
$prepared_comment['comment_approved'] = wp_allow_comment( $prepared_comment, true );
if ( is_wp_error( $prepared_comment['comment_approved'] ) ) {
$error_code = $prepared_comment['comment_approved']->get_error_code();
$error_message = $prepared_comment['comment_approved']->get_error_message();
if ( 'comment_duplicate' === $error_code ) {
return new WP_Error( $error_code, $error_message, array( 'status' => 409 ) );
}
if ( 'comment_flood' === $error_code ) {
return new WP_Error( $error_code, $error_message, array( 'status' => 400 ) );
}
return $prepared_comment['comment_approved'];
}
/**
* Filters a comment before it is inserted via the REST API.
*
* Allows modification of the comment right before it is inserted via wp_insert_comment().
* Returning a WP_Error value from the filter will shortcircuit insertion and allow
* skipping further processing.
*
* @since 4.7.0
* @since 4.8.0 $prepared_comment can now be a WP_Error to shortcircuit insertion.
*
* @param array|WP_Error $prepared_comment The prepared comment data for wp_insert_comment().
* @param WP_REST_Request $request Request used to insert the comment.
*/
$prepared_comment = apply_filters( 'rest_pre_insert_comment', $prepared_comment, $request );
if ( is_wp_error( $prepared_comment ) ) {
return $prepared_comment;
}
$comment_id = wp_insert_comment( wp_filter_comment( wp_slash( (array) $prepared_comment ) ) );
if ( ! $comment_id ) {
return new WP_Error( 'rest_comment_failed_create', __( 'Creating comment failed.' ), array( 'status' => 500 ) );
}
if ( isset( $request['status'] ) ) {
$this->handle_status_param( $request['status'], $comment_id );
}
$comment = get_comment( $comment_id );
/**
* Fires after a comment is created or updated via the REST API.
*
* @since 4.7.0
*
* @param WP_Comment $comment Inserted or updated comment object.
* @param WP_REST_Request $request Request object.
* @param bool $creating True when creating a comment, false
* when updating.
*/
do_action( 'rest_insert_comment', $comment, $request, true );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $comment_id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$fields_update = $this->update_additional_fields_for_object( $comment, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$context = current_user_can( 'moderate_comments' ) ? 'edit' : 'view';
$request->set_param( 'context', $context );
$response = $this->prepare_item_for_response( $comment, $request );
$response = rest_ensure_response( $response );
$response->set_status( 201 );
$response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment_id ) ) );
return $response;
}
/**
* Checks if a given REST request has access to update a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|bool True if the request has access to update the item, error object otherwise.
*/
public function update_item_permissions_check( $request ) {
$comment = $this->get_comment( $request['id'] );
if ( is_wp_error( $comment ) ) {
return $comment;
}
if ( ! $this->check_edit_permission( $comment ) ) {
return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this comment.' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Updates a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
*/
public function update_item( $request ) {
$comment = $this->get_comment( $request['id'] );
if ( is_wp_error( $comment ) ) {
return $comment;
}
$id = $comment->comment_ID;
if ( isset( $request['type'] ) && get_comment_type( $id ) !== $request['type'] ) {
return new WP_Error( 'rest_comment_invalid_type', __( 'Sorry, you are not allowed to change the comment type.' ), array( 'status' => 404 ) );
}
$prepared_args = $this->prepare_item_for_database( $request );
if ( is_wp_error( $prepared_args ) ) {
return $prepared_args;
}
if ( ! empty( $prepared_args['comment_post_ID'] ) ) {
$post = get_post( $prepared_args['comment_post_ID'] );
if ( empty( $post ) ) {
return new WP_Error( 'rest_comment_invalid_post_id', __( 'Invalid post ID.' ), array( 'status' => 403 ) );
}
}
if ( empty( $prepared_args ) && isset( $request['status'] ) ) {
// Only the comment status is being changed.
$change = $this->handle_status_param( $request['status'], $id );
if ( ! $change ) {
return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment status failed.' ), array( 'status' => 500 ) );
}
} elseif ( ! empty( $prepared_args ) ) {
if ( is_wp_error( $prepared_args ) ) {
return $prepared_args;
}
if ( isset( $prepared_args['comment_content'] ) && empty( $prepared_args['comment_content'] ) ) {
return new WP_Error( 'rest_comment_content_invalid', __( 'Invalid comment content.' ), array( 'status' => 400 ) );
}
$prepared_args['comment_ID'] = $id;
$check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_args );
if ( is_wp_error( $check_comment_lengths ) ) {
$error_code = $check_comment_lengths->get_error_code();
return new WP_Error( $error_code, __( 'Comment field exceeds maximum length allowed.' ), array( 'status' => 400 ) );
}
$updated = wp_update_comment( wp_slash( (array) $prepared_args ) );
if ( false === $updated ) {
return new WP_Error( 'rest_comment_failed_edit', __( 'Updating comment failed.' ), array( 'status' => 500 ) );
}
if ( isset( $request['status'] ) ) {
$this->handle_status_param( $request['status'], $id );
}
}
$comment = get_comment( $id );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
do_action( 'rest_insert_comment', $comment, $request, false );
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
$meta_update = $this->meta->update_value( $request['meta'], $id );
if ( is_wp_error( $meta_update ) ) {
return $meta_update;
}
}
$fields_update = $this->update_additional_fields_for_object( $comment, $request );
if ( is_wp_error( $fields_update ) ) {
return $fields_update;
}
$request->set_param( 'context', 'edit' );
$response = $this->prepare_item_for_response( $comment, $request );
return rest_ensure_response( $response );
}
/**
* Checks if a given request has access to delete a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|bool True if the request has access to delete the item, error object otherwise.
*/
public function delete_item_permissions_check( $request ) {
$comment = $this->get_comment( $request['id'] );
if ( is_wp_error( $comment ) ) {
return $comment;
}
if ( ! $this->check_edit_permission( $comment ) ) {
return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this comment.' ), array( 'status' => rest_authorization_required_code() ) );
}
return true;
}
/**
* Deletes a comment.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Full details about the request.
* @return WP_Error|WP_REST_Response Response object on success, or error object on failure.
*/
public function delete_item( $request ) {
$comment = $this->get_comment( $request['id'] );
if ( is_wp_error( $comment ) ) {
return $comment;
}
$force = isset( $request['force'] ) ? (bool) $request['force'] : false;
/**
* Filters whether a comment can be trashed.
*
* Return false to disable trash support for the post.
*
* @since 4.7.0
*
* @param bool $supports_trash Whether the post type support trashing.
* @param WP_Post $comment The comment object being considered for trashing support.
*/
$supports_trash = apply_filters( 'rest_comment_trashable', ( EMPTY_TRASH_DAYS > 0 ), $comment );
$request->set_param( 'context', 'edit' );
if ( $force ) {
$previous = $this->prepare_item_for_response( $comment, $request );
$result = wp_delete_comment( $comment->comment_ID, true );
$response = new WP_REST_Response();
$response->set_data(
array(
'deleted' => true,
'previous' => $previous->get_data(),
)
);
} else {
// If this type doesn't support trashing, error out.
if ( ! $supports_trash ) {
/* translators: %s: force=true */
return new WP_Error( 'rest_trash_not_supported', sprintf( __( "The comment does not support trashing. Set '%s' to delete." ), 'force=true' ), array( 'status' => 501 ) );
}
if ( 'trash' === $comment->comment_approved ) {
return new WP_Error( 'rest_already_trashed', __( 'The comment has already been trashed.' ), array( 'status' => 410 ) );
}
$result = wp_trash_comment( $comment->comment_ID );
$comment = get_comment( $comment->comment_ID );
$response = $this->prepare_item_for_response( $comment, $request );
}
if ( ! $result ) {
return new WP_Error( 'rest_cannot_delete', __( 'The comment cannot be deleted.' ), array( 'status' => 500 ) );
}
/**
* Fires after a comment is deleted via the REST API.
*
* @since 4.7.0
*
* @param WP_Comment $comment The deleted comment data.
* @param WP_REST_Response $response The response returned from the API.
* @param WP_REST_Request $request The request sent to the API.
*/
do_action( 'rest_delete_comment', $comment, $response, $request );
return $response;
}
/**
* Prepares a single comment output for response.
*
* @since 4.7.0
*
* @param WP_Comment $comment Comment object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $comment, $request ) {
$data = array(
'id' => (int) $comment->comment_ID,
'post' => (int) $comment->comment_post_ID,
'parent' => (int) $comment->comment_parent,
'author' => (int) $comment->user_id,
'author_name' => $comment->comment_author,
'author_email' => $comment->comment_author_email,
'author_url' => $comment->comment_author_url,
'author_ip' => $comment->comment_author_IP,
'author_user_agent' => $comment->comment_agent,
'date' => mysql_to_rfc3339( $comment->comment_date ),
'date_gmt' => mysql_to_rfc3339( $comment->comment_date_gmt ),
'content' => array(
/** This filter is documented in wp-includes/comment-template.php */
'rendered' => apply_filters( 'comment_text', $comment->comment_content, $comment ),
'raw' => $comment->comment_content,
),
'link' => get_comment_link( $comment ),
'status' => $this->prepare_status_response( $comment->comment_approved ),
'type' => get_comment_type( $comment->comment_ID ),
);
$schema = $this->get_item_schema();
if ( ! empty( $schema['properties']['author_avatar_urls'] ) ) {
$data['author_avatar_urls'] = rest_get_avatar_urls( $comment->comment_author_email );
}
if ( ! empty( $schema['properties']['meta'] ) ) {
$data['meta'] = $this->meta->get_value( $comment->comment_ID, $request );
}
$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
$data = $this->add_additional_fields_to_object( $data, $request );
$data = $this->filter_response_by_context( $data, $context );
// Wrap the data in a response object.
$response = rest_ensure_response( $data );
$response->add_links( $this->prepare_links( $comment ) );
/**
* Filters a comment returned from the API.
*
* Allows modification of the comment right before it is returned.
*
* @since 4.7.0
*
* @param WP_REST_Response $response The response object.
* @param WP_Comment $comment The original comment object.
* @param WP_REST_Request $request Request used to generate the response.
*/
return apply_filters( 'rest_prepare_comment', $response, $comment, $request );
}
/**
* Prepares links for the request.
*
* @since 4.7.0
*
* @param WP_Comment $comment Comment object.
* @return array Links for the given comment.
*/
protected function prepare_links( $comment ) {
$links = array(
'self' => array(
'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_ID ) ),
),
'collection' => array(
'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
),
);
if ( 0 !== (int) $comment->user_id ) {
$links['author'] = array(
'href' => rest_url( 'wp/v2/users/' . $comment->user_id ),
'embeddable' => true,
);
}
if ( 0 !== (int) $comment->comment_post_ID ) {
$post = get_post( $comment->comment_post_ID );
if ( ! empty( $post->ID ) ) {
$obj = get_post_type_object( $post->post_type );
$base = ! empty( $obj->rest_base ) ? $obj->rest_base : $obj->name;
$links['up'] = array(
'href' => rest_url( 'wp/v2/' . $base . '/' . $comment->comment_post_ID ),
'embeddable' => true,
'post_type' => $post->post_type,
);
}
}
if ( 0 !== (int) $comment->comment_parent ) {
$links['in-reply-to'] = array(
'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_parent ) ),
'embeddable' => true,
);
}
// Only grab one comment to verify the comment has children.
$comment_children = $comment->get_children(
array(
'number' => 1,
'count' => true,
)
);
if ( ! empty( $comment_children ) ) {
$args = array(
'parent' => $comment->comment_ID,
);
$rest_url = add_query_arg( $args, rest_url( $this->namespace . '/' . $this->rest_base ) );
$links['children'] = array(
'href' => $rest_url,
);
}
return $links;
}
/**
* Prepends internal property prefix to query parameters to match our response fields.
*
* @since 4.7.0
*
* @param string $query_param Query parameter.
* @return string The normalized query parameter.
*/
protected function normalize_query_param( $query_param ) {
$prefix = 'comment_';
switch ( $query_param ) {
case 'id':
$normalized = $prefix . 'ID';
break;
case 'post':
$normalized = $prefix . 'post_ID';
break;
case 'parent':
$normalized = $prefix . 'parent';
break;
case 'include':
$normalized = 'comment__in';
break;
default:
$normalized = $prefix . $query_param;
break;
}
return $normalized;
}
/**
* Checks comment_approved to set comment status for single comment output.
*
* @since 4.7.0
*
* @param string|int $comment_approved comment status.
* @return string Comment status.
*/
protected function prepare_status_response( $comment_approved ) {
switch ( $comment_approved ) {
case 'hold':
case '0':
$status = 'hold';
break;
case 'approve':
case '1':
$status = 'approved';
break;
case 'spam':
case 'trash':
default:
$status = $comment_approved;
break;
}
return $status;
}
/**
* Prepares a single comment to be inserted into the database.
*
* @since 4.7.0
*
* @param WP_REST_Request $request Request object.
* @return array|WP_Error Prepared comment, otherwise WP_Error object.
*/
protected function prepare_item_for_database( $request ) {
$prepared_comment = array();
/*
* Allow the comment_content to be set via the 'content' or
* the 'content.raw' properties of the Request object.
*/
if ( isset( $request['content'] ) && is_string( $request['content'] ) ) {
$prepared_comment['comment_content'] = $request['content'];
} elseif ( isset( $request['content']['raw'] ) && is_string( $request['content']['raw'] ) ) {
$prepared_comment['comment_content'] = $request['content']['raw'];
}
if ( isset( $request['post'] ) ) {
$prepared_comment['comment_post_ID'] = (int) $request['post'];
}
if ( isset( $request['parent'] ) ) {
$prepared_comment['comment_parent'] = $request['parent'];
}
if ( isset( $request['author'] ) ) {
$user = new WP_User( $request['author'] );
if ( $user->exists() ) {
$prepared_comment['user_id'] = $user->ID;
$prepared_comment['comment_author'] = $user->display_name;
$prepared_comment['comment_author_email'] = $user->user_email;
$prepared_comment['comment_author_url'] = $user->user_url;
} else {
return new WP_Error( 'rest_comment_author_invalid', __( 'Invalid comment author ID.' ), array( 'status' => 400 ) );
}
}
if ( isset( $request['author_name'] ) ) {
$prepared_comment['comment_author'] = $request['author_name'];
}
if ( isset( $request['author_email'] ) ) {
$prepared_comment['comment_author_email'] = $request['author_email'];
}
if ( isset( $request['author_url'] ) ) {
$prepared_comment['comment_author_url'] = $request['author_url'];
}
if ( isset( $request['author_ip'] ) && current_user_can( 'moderate_comments' ) ) {
$prepared_comment['comment_author_IP'] = $request['author_ip'];
} elseif ( ! empty( $_SERVER['REMOTE_ADDR'] ) && rest_is_ip_address( $_SERVER['REMOTE_ADDR'] ) ) {
$prepared_comment['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
} else {
$prepared_comment['comment_author_IP'] = '127.0.0.1';
}
if ( ! empty( $request['author_user_agent'] ) ) {
$prepared_comment['comment_agent'] = $request['author_user_agent'];
} elseif ( $request->get_header( 'user_agent' ) ) {
$prepared_comment['comment_agent'] = $request->get_header( 'user_agent' );
}
if ( ! empty( $request['date'] ) ) {
$date_data = rest_get_date_with_gmt( $request['date'] );
if ( ! empty( $date_data ) ) {
list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data;
}
} elseif ( ! empty( $request['date_gmt'] ) ) {
$date_data = rest_get_date_with_gmt( $request['date_gmt'], true );
if ( ! empty( $date_data ) ) {
list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data;
}
}
/**
* Filters a comment after it is prepared for the database.
*
* Allows modification of the comment right after it is prepared for the database.
*
* @since 4.7.0
*
* @param array $prepared_comment The prepared comment data for `wp_insert_comment`.
* @param WP_REST_Request $request The current request.
*/
return apply_filters( 'rest_preprocess_comment', $prepared_comment, $request );
}
/**
* Retrieves the comment's schema, conforming to JSON Schema.
*
* @since 4.7.0
*
* @return array
*/
public function get_item_schema() {
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'comment',
'type' => 'object',
'properties' => array(
'id' => array(
'description' => __( 'Unique identifier for the object.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'author' => array(
'description' => __( 'The ID of the user object, if author was a user.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
),
'author_email' => array(
'description' => __( 'Email address for the object author.' ),
'type' => 'string',
'format' => 'email',
'context' => array( 'edit' ),
'arg_options' => array(
'sanitize_callback' => array( $this, 'check_comment_author_email' ),
'validate_callback' => null, // skip built-in validation of 'email'.
),
),
'author_ip' => array(
'description' => __( 'IP address for the object author.' ),
'type' => 'string',
'format' => 'ip',
'context' => array( 'edit' ),
),
'author_name' => array(
'description' => __( 'Display name for the object author.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
),
'author_url' => array(
'description' => __( 'URL for the object author.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
),
'author_user_agent' => array(
'description' => __( 'User agent for the object author.' ),
'type' => 'string',
'context' => array( 'edit' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
),
'content' => array(
'description' => __( 'The content for the object.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database()
'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database()
),
'properties' => array(
'raw' => array(
'description' => __( 'Content for the object, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML content for the object, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
),
'date' => array(
'description' => __( "The date the object was published, in the site's timezone." ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit', 'embed' ),
),
'date_gmt' => array(
'description' => __( 'The date the object was published, as GMT.' ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
),
'link' => array(
'description' => __( 'URL to the object.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'parent' => array(
'description' => __( 'The ID for the parent of the object.' ),
'type' => 'integer',
'context' => array( 'view', 'edit', 'embed' ),
'default' => 0,
),
'post' => array(
'description' => __( 'The ID of the associated post object.' ),
'type' => 'integer',
'context' => array( 'view', 'edit' ),
'default' => 0,
),
'status' => array(
'description' => __( 'State of the object.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_key',
),
),
'type' => array(
'description' => __( 'Type of Comment for the object.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
);
if ( get_option( 'show_avatars' ) ) {
$avatar_properties = array();
$avatar_sizes = rest_get_avatar_sizes();
foreach ( $avatar_sizes as $size ) {
$avatar_properties[ $size ] = array(
/* translators: %d: avatar image size in pixels */
'description' => sprintf( __( 'Avatar URL with image size of %d pixels.' ), $size ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'embed', 'view', 'edit' ),
);
}
$schema['properties']['author_avatar_urls'] = array(
'description' => __( 'Avatar URLs for the object author.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
'properties' => $avatar_properties,
);
}
$schema['properties']['meta'] = $this->meta->get_field_schema();
return $this->add_additional_fields_schema( $schema );
}
/**
* Retrieves the query params for collections.
*
* @since 4.7.0
*
* @return array Comments collection parameters.
*/
public function get_collection_params() {
$query_params = parent::get_collection_params();
$query_params['context']['default'] = 'view';
$query_params['after'] = array(
'description' => __( 'Limit response to comments published after a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['author'] = array(
'description' => __( 'Limit result set to comments assigned to specific user IDs. Requires authorization.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
);
$query_params['author_exclude'] = array(
'description' => __( 'Ensure result set excludes comments assigned to specific user IDs. Requires authorization.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
);
$query_params['author_email'] = array(
'default' => null,
'description' => __( 'Limit result set to that from a specific author email. Requires authorization.' ),
'format' => 'email',
'type' => 'string',
);
$query_params['before'] = array(
'description' => __( 'Limit response to comments published before a given ISO8601 compliant date.' ),
'type' => 'string',
'format' => 'date-time',
);
$query_params['exclude'] = array(
'description' => __( 'Ensure result set excludes specific IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['include'] = array(
'description' => __( 'Limit result set to specific IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
'default' => array(),
);
$query_params['offset'] = array(
'description' => __( 'Offset the result set by a specific number of items.' ),
'type' => 'integer',
);
$query_params['order'] = array(
'description' => __( 'Order sort attribute ascending or descending.' ),
'type' => 'string',
'default' => 'desc',
'enum' => array(
'asc',
'desc',
),
);
$query_params['orderby'] = array(
'description' => __( 'Sort collection by object attribute.' ),
'type' => 'string',
'default' => 'date_gmt',
'enum' => array(
'date',
'date_gmt',
'id',
'include',
'post',
'parent',
'type',
),
);
$query_params['parent'] = array(
'default' => array(),
'description' => __( 'Limit result set to comments of specific parent IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
);
$query_params['parent_exclude'] = array(
'default' => array(),
'description' => __( 'Ensure result set excludes specific parent IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
);
$query_params['post'] = array(
'default' => array(),
'description' => __( 'Limit result set to comments assigned to specific post IDs.' ),
'type' => 'array',
'items' => array(
'type' => 'integer',
),
);
$query_params['status'] = array(
'default' => 'approve',
'description' => __( 'Limit result set to comments assigned a specific status. Requires authorization.' ),
'sanitize_callback' => 'sanitize_key',
'type' => 'string',
'validate_callback' => 'rest_validate_request_arg',
);
$query_params['type'] = array(
'default' => 'comment',
'description' => __( 'Limit result set to comments assigned a specific type. Requires authorization.' ),
'sanitize_callback' => 'sanitize_key',
'type' => 'string',
'validate_callback' => 'rest_validate_request_arg',
);
$query_params['password'] = array(
'description' => __( 'The password for the post if it is password protected.' ),
'type' => 'string',
);
/**
* Filter collection parameters for the comments controller.
*
* This filter registers the collection parameter, but does not map the
* collection parameter to an internal WP_Comment_Query parameter. Use the
* `rest_comment_query` filter to set WP_Comment_Query parameters.
*
* @since 4.7.0
*
* @param array $query_params JSON Schema-formatted collection parameters.
*/
return apply_filters( 'rest_comment_collection_params', $query_params );
}
/**
* Sets the comment_status of a given comment object when creating or updating a comment.
*
* @since 4.7.0
*
* @param string|int $new_status New comment status.
* @param int $comment_id Comment ID.
* @return bool Whether the status was changed.
*/
protected function handle_status_param( $new_status, $comment_id ) {
$old_status = wp_get_comment_status( $comment_id );
if ( $new_status === $old_status ) {
return false;
}
switch ( $new_status ) {
case 'approved':
case 'approve':
case '1':
$changed = wp_set_comment_status( $comment_id, 'approve' );
break;
case 'hold':
case '0':
$changed = wp_set_comment_status( $comment_id, 'hold' );
break;
case 'spam':
$changed = wp_spam_comment( $comment_id );
break;
case 'unspam':
$changed = wp_unspam_comment( $comment_id );
break;
case 'trash':
$changed = wp_trash_comment( $comment_id );
break;
case 'untrash':
$changed = wp_untrash_comment( $comment_id );
break;
default:
$changed = false;
break;
}
return $changed;
}
/**
* Checks if the post can be read.
*
* Correctly handles posts with the inherit status.
*
* @since 4.7.0
*
* @param WP_Post $post Post object.
* @param WP_REST_Request $request Request data to check.
* @return bool Whether post can be read.
*/
protected function check_read_post_permission( $post, $request ) {
$posts_controller = new WP_REST_Posts_Controller( $post->post_type );
$post_type = get_post_type_object( $post->post_type );
$has_password_filter = false;
// Only check password if a specific post was queried for or a single comment
$requested_post = ! empty( $request['post'] ) && ( ! is_array( $request['post'] ) || 1 === count( $request['post'] ) );
$requested_comment = ! empty( $request['id'] );
if ( ( $requested_post || $requested_comment ) && $posts_controller->can_access_password_content( $post, $request ) ) {
add_filter( 'post_password_required', '__return_false' );
$has_password_filter = true;
}
if ( post_password_required( $post ) ) {
$result = current_user_can( $post_type->cap->edit_post, $post->ID );
} else {
$result = $posts_controller->check_read_permission( $post );
}
if ( $has_password_filter ) {
remove_filter( 'post_password_required', '__return_false' );
}
return $result;
}
/**
* Checks if the comment can be read.
*
* @since 4.7.0
*
* @param WP_Comment $comment Comment object.
* @param WP_REST_Request $request Request data to check.
* @return bool Whether the comment can be read.
*/
protected function check_read_permission( $comment, $request ) {
if ( ! empty( $comment->comment_post_ID ) ) {
$post = get_post( $comment->comment_post_ID );
if ( $post ) {
if ( $this->check_read_post_permission( $post, $request ) && 1 === (int) $comment->comment_approved ) {
return true;
}
}
}
if ( 0 === get_current_user_id() ) {
return false;
}
if ( empty( $comment->comment_post_ID ) && ! current_user_can( 'moderate_comments' ) ) {
return false;
}
if ( ! empty( $comment->user_id ) && get_current_user_id() === (int) $comment->user_id ) {
return true;
}
return current_user_can( 'edit_comment', $comment->comment_ID );
}
/**
* Checks if a comment can be edited or deleted.
*
* @since 4.7.0
*
* @param object $comment Comment object.
* @return bool Whether the comment can be edited or deleted.
*/
protected function check_edit_permission( $comment ) {
if ( 0 === (int) get_current_user_id() ) {
return false;
}
if ( ! current_user_can( 'moderate_comments' ) ) {
return false;
}
return current_user_can( 'edit_comment', $comment->comment_ID );
}
/**
* Checks a comment author email for validity.
*
* Accepts either a valid email address or empty string as a valid comment
* author email address. Setting the comment author email to an empty
* string is allowed when a comment is being updated.
*
* @since 4.7.0
*
* @param string $value Author email value submitted.
* @param WP_REST_Request $request Full details about the request.
* @param string $param The parameter name.
* @return WP_Error|string The sanitized email address, if valid,
* otherwise an error.
*/
public function check_comment_author_email( $value, $request, $param ) {
$email = (string) $value;
if ( empty( $email ) ) {
return $email;
}
$check_email = rest_validate_request_arg( $email, $request, $param );
if ( is_wp_error( $check_email ) ) {
return $check_email;
}
return $email;
}
}
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