/** * 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[\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']; } } Innovative_Lösungen_für_präzise_Fertigung_mit_dem_System_vincispin_im_Fokus - Eluxhire

Eluxhire

Innovative_Lösungen_für_präzise_Fertigung_mit_dem_System_vincispin_im_Fokus

Innovative Lösungen für präzise Fertigung mit dem System vincispin im Fokus

Die Anforderungen an die moderne Fertigungstechnik steigen kontinuierlich. Präzision, Effizienz und Zuverlässigkeit sind Schlüsselfaktoren für den Erfolg in nahezu allen Industriezweigen. Das System vincispin bietet innovative Lösungen, um diesen Anforderungen gerecht zu werden und Fertigungsprozesse zu optimieren. Durch die Kombination aus fortschrittlicher Technologie und durchdachtem Design ermöglicht es eine Steigerung der Produktqualität und eine Reduzierung von Produktionskosten.

Die Herausforderungen bei der Herstellung komplexer Bauteile sind vielfältig. Insbesondere die Bearbeitung von rotationssymmetrischen Werkstücken erfordert spezielle Technologien und Verfahren. Das System vincispin zeichnet sich durch seine hohe Flexibilität und Anpassungsfähigkeit aus und kann daher in einer Vielzahl von Anwendungen eingesetzt werden. Es ermöglicht die Herstellung von Präzisionskomponenten für die Automobilindustrie, die Luft- und Raumfahrttechnik, die Medizintechnik und viele andere Bereiche.

Präzisionsfertigung durch hochmoderne Spindeltechnologie

Das Herzstück des Systems vincispin ist die hochmoderne Spindeltechnologie. Diese ermöglicht eine extrem präzise und vibrationsarme Bearbeitung von Werkstücken. Die Spindeln sind in verschiedenen Ausführungen erhältlich, um den unterschiedlichen Anforderungen der jeweiligen Anwendung gerecht zu werden. Sie zeichnen sich durch ihre hohe Steifigkeit, ihre geringe thermische Ausdehnung und ihre lange Lebensdauer aus. Die Verwendung modernster Materialien und Fertigungstechniken trägt dazu bei, dass die Spindeln auch unter anspruchsvollen Bedingungen zuverlässig funktionieren. Die präzise Steuerung der Spindel ermöglicht die Herstellung von Bauteilen mit engsten Toleranzen und komplexen Geometrien.

Integration in bestehende Produktionslinien

Eine der wesentlichen Stärken des Systems vincispin ist seine einfache Integration in bestehende Produktionslinien. Die modulare Bauweise ermöglicht eine flexible Anpassung an die individuellen Bedürfnisse des Kunden. Das System kann sowohl als eigenständige Fertigungszelle als auch als Teil einer automatisierten Fertigungslinie eingesetzt werden. Die intuitive Benutzeroberfläche und die umfassenden Softwarefunktionen erleichtern die Bedienung und Programmierung des Systems. Zusätzlich bietet der Hersteller umfangreiche Schulungen und Supportleistungen, um sicherzustellen, dass die Kunden das System optimal nutzen können. Die schnelle und unkomplizierte Integration minimiert die Stillstandzeiten und ermöglicht eine schnelle Amortisation der Investition.

Spindeltyp Leistung (kW) Drehzahl (U/min) Max. Drehmoment (Nm)
HSK-50 15 12.000 25
HSK-63 22 15.000 40
HSK-100 37 10.000 75

Die in der Tabelle dargestellten Spindeltypen bieten eine breite Palette an Leistungsspektionen, um den unterschiedlichen Anforderungen der Bearbeitung gerecht zu werden. Die Auswahl des geeigneten Spindeltyps ist entscheidend für die optimale Performance des Systems. Die Leistungsdaten ermöglichen eine genaue Planung und Optimierung der Fertigungsprozesse. Durch die Kombination aus Spindeltyp, Werkzeug und Bearbeitungsparametern können die gewünschten Oberflächengüten und Präzisionen erreicht werden.

Vielseitige Anwendungsmöglichkeiten in verschiedenen Industrien

Das System vincispin findet in einer Vielzahl von Industrien Anwendung. In der Automobilindustrie wird es beispielsweise zur Herstellung von Präzisionskomponenten für Motoren, Getriebe und Fahrwerke eingesetzt. Die Luft- und Raumfahrttechnik profitiert von der hohen Präzision und Zuverlässigkeit des Systems bei der Herstellung von Strukturteilen und Triebwerkskomponenten. In der Medizintechnik ermöglicht vincispin die Herstellung von Implantaten und chirurgischen Instrumenten mit höchsten Qualitätsstandards. Auch in der Elektronikindustrie und der Optik werden die präzisen Fertigungsmöglichkeiten des Systems geschätzt. Die Flexibilität des Systems ermöglicht die Bearbeitung verschiedenster Materialien, darunter Stahl, Aluminium, Titan und Kunststoffe.

Anpassung an individuelle Kundenbedürfnisse

Der Hersteller legt großen Wert auf die Anpassung des Systems vincispin an die individuellen Bedürfnisse der Kunden. Von der Konstruktion über die Programmierung bis hin zur Inbetriebnahme bietet der Hersteller maßgeschneiderte Lösungen an. Die enge Zusammenarbeit mit den Kunden ermöglicht es, die optimalen Fertigungsprozesse zu entwickeln und umzusetzen. Zusätzlich bietet der Hersteller umfangreiche Beratungsleistungen, um sicherzustellen, dass die Kunden das System effizient und rentabel einsetzen können. Die Anpassungsmöglichkeiten erstrecken sich auch auf die Integration von Zusatzfunktionen, wie beispielsweise automatische Werkzeugwechsel oder Prozessüberwachungssysteme.

  • Hohe Präzision und Wiederholgenauigkeit
  • Flexible Anpassung an verschiedene Werkstücke und Materialien
  • Einfache Integration in bestehende Produktionslinien
  • Umfassende Softwarefunktionen und intuitive Benutzeroberfläche
  • Zuverlässigkeit und lange Lebensdauer
  • Geringe Wartungskosten

Die genannten Vorteile machen das System vincispin zu einer attraktiven Investition für Unternehmen, die ihre Fertigungsprozesse optimieren und ihre Wettbewerbsfähigkeit steigern wollen. Die Kombination aus innovativer Technologie, hochwertigen Materialien und umfassenden Serviceleistungen gewährleistet eine hohe Kundenzufriedenheit. Die kontinuierliche Weiterentwicklung des Systems stellt sicher, dass die Kunden auch zukünftig von den neuesten technologischen Innovationen profitieren.

Automatisierung und Prozessintegration für maximale Effizienz

Die Automatisierung von Fertigungsprozessen ist ein wichtiger Schritt zur Steigerung der Effizienz und zur Reduzierung der Produktionskosten. Das System vincispin bietet umfangreiche Möglichkeiten zur Automatisierung, beispielsweise durch die Integration von Robotern oder automatischen Werkzeugwechslern. Die nahtlose Integration in bestehende Produktionslinien und die intuitive Benutzeroberfläche erleichtern die Automatisierung erheblich. Die umfassenden Softwarefunktionen ermöglichen die Überwachung und Steuerung des gesamten Fertigungsprozesses in Echtzeit. Durch die Automatisierung können menschliche Fehler minimiert und die Produktionsgeschwindigkeit erhöht werden. Zusätzlich ermöglicht die Automatisierung die Bearbeitung von großen Stückzahlen mit gleichbleibender Qualität.

Datenanalyse und Prozessoptimierung

Die kontinuierliche Analyse von Fertigungsdaten ist entscheidend für die Identifizierung von Verbesserungspotenzialen und die Optimierung der Prozesse. Das System vincispin bietet umfangreiche Datenerfassungs- und Analysefunktionen. Die erfassten Daten können verwendet werden, um die Performance des Systems zu überwachen, die Qualität der Bauteile zu beurteilen und die Effizienz der Fertigungsprozesse zu steigern. Durch die Visualisierung der Daten können Muster und Trends erkannt werden, die Hinweise auf potenzielle Probleme oder Verbesserungsmaßnahmen geben. Die gewonnenen Erkenntnisse können genutzt werden, um die Bearbeitungsparameter zu optimieren, die Werkzeugauswahl zu verbessern und die Lebensdauer der Werkzeuge zu verlängern.

  1. Datenerfassung in Echtzeit
  2. Visualisierung der Daten in übersichtlichen Diagrammen und Berichten
  3. Identifizierung von Verbesserungspotenzialen
  4. Optimierung der Bearbeitungsparameter
  5. Qualitätskontrolle und -sicherung
  6. Reduzierung von Produktionskosten

Die systematische Analyse von Fertigungsdaten ermöglicht es den Unternehmen, ihre Prozesse kontinuierlich zu verbessern und ihre Wettbewerbsfähigkeit zu steigern. Die gewonnenen Erkenntnisse können auch dazu verwendet werden, neue Produkte und Verfahren zu entwickeln, die den Anforderungen des Marktes entsprechen. Die datenbasierte Entscheidungsfindung führt zu einer höheren Effizienz, einer besseren Qualität und einer höheren Kundenzufriedenheit.

Zukunftsperspektiven und innovative Weiterentwicklungen

Die Entwicklung der Fertigungstechnik schreitet rasant voran. Der Hersteller des Systems vincispin investiert kontinuierlich in Forschung und Entwicklung, um seine Produkte und Dienstleistungen auf dem neuesten Stand der Technik zu halten. Ein Schwerpunkt der aktuellen Entwicklung liegt auf der Integration von künstlicher Intelligenz (KI) und maschinellem Lernen (ML) in das System. Durch den Einsatz von KI und ML können Fertigungsprozesse optimiert, Fehler frühzeitig erkannt und die Qualität der Bauteile verbessert werden. Weitere Schwerpunkte sind die Entwicklung neuer Spindeltechnologien, die Integration von Sensoren und die Verbesserung der Automatisierungsmöglichkeiten.

Anwendungsbeispiel: Präzisionsfertigung von Turbinenschaufeln

Ein aktuelles Anwendungsbeispiel für das System vincispin ist die Präzisionsfertigung von Turbinenschaufeln für Gasturbinen. Diese Komponenten werden extremen Belastungen ausgesetzt und erfordern daher höchste Präzision und Zuverlässigkeit. Das System vincispin ermöglicht die Herstellung von Turbinenschaufeln mit komplexen Geometrien und engsten Toleranzen. Durch die Verwendung spezieller Werkzeuge und Bearbeitungsparameter können die Oberflächengüte und die mechanischen Eigenschaften der Schaufeln optimiert werden. Die Automatisierung des Fertigungsprozesses ermöglicht die Herstellung großer Stückzahlen mit gleichbleibender Qualität. Die effiziente und präzise Fertigung der Turbinenschaufeln trägt dazu bei, die Leistung und Zuverlässigkeit der Gasturbinen zu verbessern. Die erfolgreiche Anwendung des Systems vincispin in diesem anspruchsvollen Bereich unterstreicht seine Leistungsfähigkeit und Vielseitigkeit.

Die kontinuierliche Weiterentwicklung des Systems vincispin wird dazu beitragen, die Grenzen der Fertigungstechnik zu erweitern und innovative Lösungen für die Herausforderungen der Zukunft zu entwickeln. Die enge Zusammenarbeit mit den Kunden und die Berücksichtigung ihrer individuellen Bedürfnisse sind dabei von entscheidender Bedeutung. Das System vincispin wird auch weiterhin eine wichtige Rolle bei der Optimierung von Fertigungsprozessen und der Steigerung der Wettbewerbsfähigkeit der Unternehmen spielen.