File "class-wp-rest-comments-controller.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 comments.
*
* @since 4.7.0
*
* @see register_rest_route()
*/
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 comment.' ),
'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 true|WP_Error 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',
/* translators: %s: List of forbidden parameters. */
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_REST_Response|WP_Error 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['update_comment_post_cache'] = true;
$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 WP_Comment_Query arguments 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 REST API 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;
$prepared_args['orderby'] = 'none';
$total_comments = $query->query( $prepared_args );
$max_pages = (int) 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( urlencode_deep( $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 true|WP_Error 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_REST_Response|WP_Error 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 true|WP_Error 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 )
);
}
/**
* Filters whether comments can be created via the REST API 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_REST_Response|WP_Error 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'] = 'comment';
if ( ! isset( $prepared_comment['comment_content'] ) ) {
$prepared_comment['comment_content'] = '';
}
if ( ! $this->check_is_comment_content_allowed( $prepared_comment ) ) {
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 $prepared_comment['comment_approved'];
}
/**
* Filters a comment before it is inserted via the REST API.
*
* Allows modification of the comment right before it is inserted via wp_insert_comment().
* Returning a WP_Error value from the filter will short-circuit insertion and allow
* skipping further processing.
*
* @since 4.7.0
* @since 4.8.0 `$prepared_comment` can now be a WP_Error to short-circuit 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 );
/**
* Fires completely after a comment is created or updated via the REST API.
*
* @since 5.0.0
*
* @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_after_insert_comment', $comment, $request, true );
$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 true|WP_Error 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_REST_Response|WP_Error 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 ), true );
if ( is_wp_error( $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' );
/** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
do_action( 'rest_after_insert_comment', $comment, $request, false );
$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 true|WP_Error 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_REST_Response|WP_Error 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 via the REST API.
*
* Return false to disable trash support for the comment.
*
* @since 4.7.0
*
* @param bool $supports_trash Whether the comment supports trashing.
* @param WP_Comment $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 ) {
return new WP_Error(
'rest_trash_not_supported',
/* translators: %s: force=true */
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 $response;
}
/**
* Prepares a single comment output for response.
*
* @since 4.7.0
* @since 5.9.0 Renamed `$comment` to `$item` to match parent class for PHP 8 named parameter support.
*
* @param WP_Comment $item Comment object.
* @param WP_REST_Request $request Request object.
* @return WP_REST_Response Response object.
*/
public function prepare_item_for_response( $item, $request ) {
// Restores the more descriptive, specific name for use within this method.
$comment = $item;
$fields = $this->get_fields_for_response( $request );
$data = array();
if ( in_array( 'id', $fields, true ) ) {
$data['id'] = (int) $comment->comment_ID;
}
if ( in_array( 'post', $fields, true ) ) {
$data['post'] = (int) $comment->comment_post_ID;
}
if ( in_array( 'parent', $fields, true ) ) {
$data['parent'] = (int) $comment->comment_parent;
}
if ( in_array( 'author', $fields, true ) ) {
$data['author'] = (int) $comment->user_id;
}
if ( in_array( 'author_name', $fields, true ) ) {
$data['author_name'] = $comment->comment_author;
}
if ( in_array( 'author_email', $fields, true ) ) {
$data['author_email'] = $comment->comment_author_email;
}
if ( in_array( 'author_url', $fields, true ) ) {
$data['author_url'] = $comment->comment_author_url;
}
if ( in_array( 'author_ip', $fields, true ) ) {
$data['author_ip'] = $comment->comment_author_IP;
}
if ( in_array( 'author_user_agent', $fields, true ) ) {
$data['author_user_agent'] = $comment->comment_agent;
}
if ( in_array( 'date', $fields, true ) ) {
$data['date'] = mysql_to_rfc3339( $comment->comment_date );
}
if ( in_array( 'date_gmt', $fields, true ) ) {
$data['date_gmt'] = mysql_to_rfc3339( $comment->comment_date_gmt );
}
if ( in_array( 'content', $fields, true ) ) {
$data['content'] = array(
/** This filter is documented in wp-includes/comment-template.php */
'rendered' => apply_filters( 'comment_text', $comment->comment_content, $comment, array() ),
'raw' => $comment->comment_content,
);
}
if ( in_array( 'link', $fields, true ) ) {
$data['link'] = get_comment_link( $comment );
}
if ( in_array( 'status', $fields, true ) ) {
$data['status'] = $this->prepare_status_response( $comment->comment_approved );
}
if ( in_array( 'type', $fields, true ) ) {
$data['type'] = get_comment_type( $comment->comment_ID );
}
if ( in_array( 'author_avatar_urls', $fields, true ) ) {
$data['author_avatar_urls'] = rest_get_avatar_urls( $comment );
}
if ( in_array( 'meta', $fields, true ) ) {
$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 );
if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
$response->add_links( $this->prepare_links( $comment ) );
}
/**
* Filters a comment returned from the REST 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 );
$post_route = rest_get_route_for_post( $post );
if ( ! empty( $post->ID ) && $post_route ) {
$links['up'] = array(
'href' => rest_url( $post_route ),
'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(
'count' => true,
'orderby' => 'none',
)
);
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,
'embeddable' => true,
);
}
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'] = trim( $request['content'] );
} elseif ( isset( $request['content']['raw'] ) && is_string( $request['content']['raw'] ) ) {
$prepared_comment['comment_content'] = trim( $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 added via the REST API after it is prepared for insertion into 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() {
if ( $this->schema ) {
return $this->add_additional_fields_schema( $this->schema );
}
$schema = array(
'$schema' => 'http://json-schema.org/draft-04/schema#',
'title' => 'comment',
'type' => 'object',
'properties' => array(
'id' => array(
'description' => __( 'Unique identifier for the comment.' ),
'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 comment 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 comment author.' ),
'type' => 'string',
'format' => 'ip',
'context' => array( 'edit' ),
),
'author_name' => array(
'description' => __( 'Display name for the comment author.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
),
'author_url' => array(
'description' => __( 'URL for the comment author.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
),
'author_user_agent' => array(
'description' => __( 'User agent for the comment author.' ),
'type' => 'string',
'context' => array( 'edit' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_text_field',
),
),
'content' => array(
'description' => __( 'The content for the comment.' ),
'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 comment, as it exists in the database.' ),
'type' => 'string',
'context' => array( 'edit' ),
),
'rendered' => array(
'description' => __( 'HTML content for the comment, transformed for display.' ),
'type' => 'string',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
),
),
'date' => array(
'description' => __( "The date the comment was published, in the site's timezone." ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit', 'embed' ),
),
'date_gmt' => array(
'description' => __( 'The date the comment was published, as GMT.' ),
'type' => 'string',
'format' => 'date-time',
'context' => array( 'view', 'edit' ),
),
'link' => array(
'description' => __( 'URL to the comment.' ),
'type' => 'string',
'format' => 'uri',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
),
'parent' => array(
'description' => __( 'The ID for the parent of the comment.' ),
'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 comment.' ),
'type' => 'string',
'context' => array( 'view', 'edit' ),
'arg_options' => array(
'sanitize_callback' => 'sanitize_key',
),
),
'type' => array(
'description' => __( 'Type of the comment.' ),
'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 comment author.' ),
'type' => 'object',
'context' => array( 'view', 'edit', 'embed' ),
'readonly' => true,
'properties' => $avatar_properties,
);
}
$schema['properties']['meta'] = $this->meta->get_field_schema();
$this->schema = $schema;
return $this->add_additional_fields_schema( $this->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 comment 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',
);
/**
* Filters REST API 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 ) {
$post_type = get_post_type_object( $post->post_type );
// Return false if custom post type doesn't exist
if ( ! $post_type ) {
return false;
}
$posts_controller = $post_type->get_rest_controller();
/*
* Ensure the posts controller is specifically a WP_REST_Posts_Controller instance
* before using methods specific to that controller.
*/
if ( ! $posts_controller instanceof WP_REST_Posts_Controller ) {
$posts_controller = new WP_REST_Posts_Controller( $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( '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 WP_Comment $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 true;
}
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 string|WP_Error 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;
}
/**
* If empty comments are not allowed, checks if the provided comment content is not empty.
*
* @since 5.6.0
*
* @param array $prepared_comment The prepared comment data.
* @return bool True if the content is allowed, false otherwise.
*/
protected function check_is_comment_content_allowed( $prepared_comment ) {
$check = wp_parse_args(
$prepared_comment,
array(
'comment_post_ID' => 0,
'comment_author' => null,
'comment_author_email' => null,
'comment_author_url' => null,
'comment_parent' => 0,
'user_id' => 0,
)
);
/** This filter is documented in wp-includes/comment.php */
$allow_empty = apply_filters( 'allow_empty_comment', false, $check );
if ( $allow_empty ) {
return true;
}
/*
* Do not allow a comment to be created with missing or empty
* comment_content. See wp_handle_comment_submission().
*/
return '' !== $check['comment_content'];
}
}