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/wp-includes/rest-api/endpoints/ -> class-wp-rest-comments-controller.php (source)

   1  <?php
   2  /**
   3   * REST API: WP_REST_Comments_Controller class
   4   *
   5   * @package WordPress
   6   * @subpackage REST_API
   7   * @since 4.7.0
   8   */
   9  
  10  /**
  11   * Core controller used to access comments via the REST API.
  12   *
  13   * @since 4.7.0
  14   *
  15   * @see WP_REST_Controller
  16   */
  17  class WP_REST_Comments_Controller extends WP_REST_Controller {
  18  
  19      /**
  20       * Instance of a comment meta fields object.
  21       *
  22       * @since 4.7.0
  23       * @var WP_REST_Comment_Meta_Fields
  24       */
  25      protected $meta;
  26  
  27      /**
  28       * Constructor.
  29       *
  30       * @since 4.7.0
  31       */
  32  	public function __construct() {
  33          $this->namespace = 'wp/v2';
  34          $this->rest_base = 'comments';
  35  
  36          $this->meta = new WP_REST_Comment_Meta_Fields();
  37      }
  38  
  39      /**
  40       * Registers the routes for comments.
  41       *
  42       * @since 4.7.0
  43       *
  44       * @see register_rest_route()
  45       */
  46  	public function register_routes() {
  47  
  48          register_rest_route(
  49              $this->namespace,
  50              '/' . $this->rest_base,
  51              array(
  52                  array(
  53                      'methods'             => WP_REST_Server::READABLE,
  54                      'callback'            => array( $this, 'get_items' ),
  55                      'permission_callback' => array( $this, 'get_items_permissions_check' ),
  56                      'args'                => $this->get_collection_params(),
  57                  ),
  58                  array(
  59                      'methods'             => WP_REST_Server::CREATABLE,
  60                      'callback'            => array( $this, 'create_item' ),
  61                      'permission_callback' => array( $this, 'create_item_permissions_check' ),
  62                      'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
  63                  ),
  64                  'schema' => array( $this, 'get_public_item_schema' ),
  65              )
  66          );
  67  
  68          register_rest_route(
  69              $this->namespace,
  70              '/' . $this->rest_base . '/(?P<id>[\d]+)',
  71              array(
  72                  'args'   => array(
  73                      'id' => array(
  74                          'description' => __( 'Unique identifier for the comment.' ),
  75                          'type'        => 'integer',
  76                      ),
  77                  ),
  78                  array(
  79                      'methods'             => WP_REST_Server::READABLE,
  80                      'callback'            => array( $this, 'get_item' ),
  81                      'permission_callback' => array( $this, 'get_item_permissions_check' ),
  82                      'args'                => array(
  83                          'context'  => $this->get_context_param( array( 'default' => 'view' ) ),
  84                          'password' => array(
  85                              'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ),
  86                              'type'        => 'string',
  87                          ),
  88                      ),
  89                  ),
  90                  array(
  91                      'methods'             => WP_REST_Server::EDITABLE,
  92                      'callback'            => array( $this, 'update_item' ),
  93                      'permission_callback' => array( $this, 'update_item_permissions_check' ),
  94                      'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
  95                  ),
  96                  array(
  97                      'methods'             => WP_REST_Server::DELETABLE,
  98                      'callback'            => array( $this, 'delete_item' ),
  99                      'permission_callback' => array( $this, 'delete_item_permissions_check' ),
 100                      'args'                => array(
 101                          'force'    => array(
 102                              'type'        => 'boolean',
 103                              'default'     => false,
 104                              'description' => __( 'Whether to bypass Trash and force deletion.' ),
 105                          ),
 106                          'password' => array(
 107                              'description' => __( 'The password for the parent post of the comment (if the post is password protected).' ),
 108                              'type'        => 'string',
 109                          ),
 110                      ),
 111                  ),
 112                  'schema' => array( $this, 'get_public_item_schema' ),
 113              )
 114          );
 115      }
 116  
 117      /**
 118       * Checks if a given request has access to read comments.
 119       *
 120       * @since 4.7.0
 121       *
 122       * @param WP_REST_Request $request Full details about the request.
 123       * @return true|WP_Error True if the request has read access, error object otherwise.
 124       */
 125  	public function get_items_permissions_check( $request ) {
 126  
 127          if ( ! empty( $request['post'] ) ) {
 128              foreach ( (array) $request['post'] as $post_id ) {
 129                  $post = get_post( $post_id );
 130  
 131                  if ( ! empty( $post_id ) && $post && ! $this->check_read_post_permission( $post, $request ) ) {
 132                      return new WP_Error(
 133                          'rest_cannot_read_post',
 134                          __( 'Sorry, you are not allowed to read the post for this comment.' ),
 135                          array( 'status' => rest_authorization_required_code() )
 136                      );
 137                  } elseif ( 0 === $post_id && ! current_user_can( 'moderate_comments' ) ) {
 138                      return new WP_Error(
 139                          'rest_cannot_read',
 140                          __( 'Sorry, you are not allowed to read comments without a post.' ),
 141                          array( 'status' => rest_authorization_required_code() )
 142                      );
 143                  }
 144              }
 145          }
 146  
 147          if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) {
 148              return new WP_Error(
 149                  'rest_forbidden_context',
 150                  __( 'Sorry, you are not allowed to edit comments.' ),
 151                  array( 'status' => rest_authorization_required_code() )
 152              );
 153          }
 154  
 155          if ( ! current_user_can( 'edit_posts' ) ) {
 156              $protected_params = array( 'author', 'author_exclude', 'author_email', 'type', 'status' );
 157              $forbidden_params = array();
 158  
 159              foreach ( $protected_params as $param ) {
 160                  if ( 'status' === $param ) {
 161                      if ( 'approve' !== $request[ $param ] ) {
 162                          $forbidden_params[] = $param;
 163                      }
 164                  } elseif ( 'type' === $param ) {
 165                      if ( 'comment' !== $request[ $param ] ) {
 166                          $forbidden_params[] = $param;
 167                      }
 168                  } elseif ( ! empty( $request[ $param ] ) ) {
 169                      $forbidden_params[] = $param;
 170                  }
 171              }
 172  
 173              if ( ! empty( $forbidden_params ) ) {
 174                  return new WP_Error(
 175                      'rest_forbidden_param',
 176                      /* translators: %s: List of forbidden parameters. */
 177                      sprintf( __( 'Query parameter not permitted: %s' ), implode( ', ', $forbidden_params ) ),
 178                      array( 'status' => rest_authorization_required_code() )
 179                  );
 180              }
 181          }
 182  
 183          return true;
 184      }
 185  
 186      /**
 187       * Retrieves a list of comment items.
 188       *
 189       * @since 4.7.0
 190       *
 191       * @param WP_REST_Request $request Full details about the request.
 192       * @return WP_REST_Response|WP_Error Response object on success, or error object on failure.
 193       */
 194  	public function get_items( $request ) {
 195  
 196          // Retrieve the list of registered collection query parameters.
 197          $registered = $this->get_collection_params();
 198  
 199          /*
 200           * This array defines mappings between public API query parameters whose
 201           * values are accepted as-passed, and their internal WP_Query parameter
 202           * name equivalents (some are the same). Only values which are also
 203           * present in $registered will be set.
 204           */
 205          $parameter_mappings = array(
 206              'author'         => 'author__in',
 207              'author_email'   => 'author_email',
 208              'author_exclude' => 'author__not_in',
 209              'exclude'        => 'comment__not_in',
 210              'include'        => 'comment__in',
 211              'offset'         => 'offset',
 212              'order'          => 'order',
 213              'parent'         => 'parent__in',
 214              'parent_exclude' => 'parent__not_in',
 215              'per_page'       => 'number',
 216              'post'           => 'post__in',
 217              'search'         => 'search',
 218              'status'         => 'status',
 219              'type'           => 'type',
 220          );
 221  
 222          $prepared_args = array();
 223  
 224          /*
 225           * For each known parameter which is both registered and present in the request,
 226           * set the parameter's value on the query $prepared_args.
 227           */
 228          foreach ( $parameter_mappings as $api_param => $wp_param ) {
 229              if ( isset( $registered[ $api_param ], $request[ $api_param ] ) ) {
 230                  $prepared_args[ $wp_param ] = $request[ $api_param ];
 231              }
 232          }
 233  
 234          // Ensure certain parameter values default to empty strings.
 235          foreach ( array( 'author_email', 'search' ) as $param ) {
 236              if ( ! isset( $prepared_args[ $param ] ) ) {
 237                  $prepared_args[ $param ] = '';
 238              }
 239          }
 240  
 241          if ( isset( $registered['orderby'] ) ) {
 242              $prepared_args['orderby'] = $this->normalize_query_param( $request['orderby'] );
 243          }
 244  
 245          $prepared_args['no_found_rows'] = false;
 246  
 247          $prepared_args['update_comment_post_cache'] = true;
 248  
 249          $prepared_args['date_query'] = array();
 250  
 251          // Set before into date query. Date query must be specified as an array of an array.
 252          if ( isset( $registered['before'], $request['before'] ) ) {
 253              $prepared_args['date_query'][0]['before'] = $request['before'];
 254          }
 255  
 256          // Set after into date query. Date query must be specified as an array of an array.
 257          if ( isset( $registered['after'], $request['after'] ) ) {
 258              $prepared_args['date_query'][0]['after'] = $request['after'];
 259          }
 260  
 261          if ( isset( $registered['page'] ) && empty( $request['offset'] ) ) {
 262              $prepared_args['offset'] = $prepared_args['number'] * ( absint( $request['page'] ) - 1 );
 263          }
 264  
 265          /**
 266           * Filters WP_Comment_Query arguments when querying comments via the REST API.
 267           *
 268           * @since 4.7.0
 269           *
 270           * @link https://developer.wordpress.org/reference/classes/wp_comment_query/
 271           *
 272           * @param array           $prepared_args Array of arguments for WP_Comment_Query.
 273           * @param WP_REST_Request $request       The REST API request.
 274           */
 275          $prepared_args = apply_filters( 'rest_comment_query', $prepared_args, $request );
 276  
 277          $query        = new WP_Comment_Query();
 278          $query_result = $query->query( $prepared_args );
 279  
 280          $comments = array();
 281  
 282          foreach ( $query_result as $comment ) {
 283              if ( ! $this->check_read_permission( $comment, $request ) ) {
 284                  continue;
 285              }
 286  
 287              $data       = $this->prepare_item_for_response( $comment, $request );
 288              $comments[] = $this->prepare_response_for_collection( $data );
 289          }
 290  
 291          $total_comments = (int) $query->found_comments;
 292          $max_pages      = (int) $query->max_num_pages;
 293  
 294          if ( $total_comments < 1 ) {
 295              // Out-of-bounds, run the query again without LIMIT for total count.
 296              unset( $prepared_args['number'], $prepared_args['offset'] );
 297  
 298              $query                    = new WP_Comment_Query();
 299              $prepared_args['count']   = true;
 300              $prepared_args['orderby'] = 'none';
 301  
 302              $total_comments = $query->query( $prepared_args );
 303              $max_pages      = (int) ceil( $total_comments / $request['per_page'] );
 304          }
 305  
 306          $response = rest_ensure_response( $comments );
 307          $response->header( 'X-WP-Total', $total_comments );
 308          $response->header( 'X-WP-TotalPages', $max_pages );
 309  
 310          $base = add_query_arg( urlencode_deep( $request->get_query_params() ), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );
 311  
 312          if ( $request['page'] > 1 ) {
 313              $prev_page = $request['page'] - 1;
 314  
 315              if ( $prev_page > $max_pages ) {
 316                  $prev_page = $max_pages;
 317              }
 318  
 319              $prev_link = add_query_arg( 'page', $prev_page, $base );
 320              $response->link_header( 'prev', $prev_link );
 321          }
 322  
 323          if ( $max_pages > $request['page'] ) {
 324              $next_page = $request['page'] + 1;
 325              $next_link = add_query_arg( 'page', $next_page, $base );
 326  
 327              $response->link_header( 'next', $next_link );
 328          }
 329  
 330          return $response;
 331      }
 332  
 333      /**
 334       * Get the comment, if the ID is valid.
 335       *
 336       * @since 4.7.2
 337       *
 338       * @param int $id Supplied ID.
 339       * @return WP_Comment|WP_Error Comment object if ID is valid, WP_Error otherwise.
 340       */
 341  	protected function get_comment( $id ) {
 342          $error = new WP_Error(
 343              'rest_comment_invalid_id',
 344              __( 'Invalid comment ID.' ),
 345              array( 'status' => 404 )
 346          );
 347  
 348          if ( (int) $id <= 0 ) {
 349              return $error;
 350          }
 351  
 352          $id      = (int) $id;
 353          $comment = get_comment( $id );
 354          if ( empty( $comment ) ) {
 355              return $error;
 356          }
 357  
 358          if ( ! empty( $comment->comment_post_ID ) ) {
 359              $post = get_post( (int) $comment->comment_post_ID );
 360  
 361              if ( empty( $post ) ) {
 362                  return new WP_Error(
 363                      'rest_post_invalid_id',
 364                      __( 'Invalid post ID.' ),
 365                      array( 'status' => 404 )
 366                  );
 367              }
 368          }
 369  
 370          return $comment;
 371      }
 372  
 373      /**
 374       * Checks if a given request has access to read the comment.
 375       *
 376       * @since 4.7.0
 377       *
 378       * @param WP_REST_Request $request Full details about the request.
 379       * @return true|WP_Error True if the request has read access for the item, error object otherwise.
 380       */
 381  	public function get_item_permissions_check( $request ) {
 382          $comment = $this->get_comment( $request['id'] );
 383          if ( is_wp_error( $comment ) ) {
 384              return $comment;
 385          }
 386  
 387          if ( ! empty( $request['context'] ) && 'edit' === $request['context'] && ! current_user_can( 'moderate_comments' ) ) {
 388              return new WP_Error(
 389                  'rest_forbidden_context',
 390                  __( 'Sorry, you are not allowed to edit comments.' ),
 391                  array( 'status' => rest_authorization_required_code() )
 392              );
 393          }
 394  
 395          $post = get_post( $comment->comment_post_ID );
 396  
 397          if ( ! $this->check_read_permission( $comment, $request ) ) {
 398              return new WP_Error(
 399                  'rest_cannot_read',
 400                  __( 'Sorry, you are not allowed to read this comment.' ),
 401                  array( 'status' => rest_authorization_required_code() )
 402              );
 403          }
 404  
 405          if ( $post && ! $this->check_read_post_permission( $post, $request ) ) {
 406              return new WP_Error(
 407                  'rest_cannot_read_post',
 408                  __( 'Sorry, you are not allowed to read the post for this comment.' ),
 409                  array( 'status' => rest_authorization_required_code() )
 410              );
 411          }
 412  
 413          return true;
 414      }
 415  
 416      /**
 417       * Retrieves a comment.
 418       *
 419       * @since 4.7.0
 420       *
 421       * @param WP_REST_Request $request Full details about the request.
 422       * @return WP_REST_Response|WP_Error Response object on success, or error object on failure.
 423       */
 424  	public function get_item( $request ) {
 425          $comment = $this->get_comment( $request['id'] );
 426          if ( is_wp_error( $comment ) ) {
 427              return $comment;
 428          }
 429  
 430          $data     = $this->prepare_item_for_response( $comment, $request );
 431          $response = rest_ensure_response( $data );
 432  
 433          return $response;
 434      }
 435  
 436      /**
 437       * Checks if a given request has access to create a comment.
 438       *
 439       * @since 4.7.0
 440       *
 441       * @param WP_REST_Request $request Full details about the request.
 442       * @return true|WP_Error True if the request has access to create items, error object otherwise.
 443       */
 444  	public function create_item_permissions_check( $request ) {
 445          if ( ! is_user_logged_in() ) {
 446              if ( get_option( 'comment_registration' ) ) {
 447                  return new WP_Error(
 448                      'rest_comment_login_required',
 449                      __( 'Sorry, you must be logged in to comment.' ),
 450                      array( 'status' => 401 )
 451                  );
 452              }
 453  
 454              /**
 455               * Filters whether comments can be created via the REST API without authentication.
 456               *
 457               * Enables creating comments for anonymous users.
 458               *
 459               * @since 4.7.0
 460               *
 461               * @param bool $allow_anonymous Whether to allow anonymous comments to
 462               *                              be created. Default `false`.
 463               * @param WP_REST_Request $request Request used to generate the
 464               *                                 response.
 465               */
 466              $allow_anonymous = apply_filters( 'rest_allow_anonymous_comments', false, $request );
 467  
 468              if ( ! $allow_anonymous ) {
 469                  return new WP_Error(
 470                      'rest_comment_login_required',
 471                      __( 'Sorry, you must be logged in to comment.' ),
 472                      array( 'status' => 401 )
 473                  );
 474              }
 475          }
 476  
 477          // Limit who can set comment `author`, `author_ip` or `status` to anything other than the default.
 478          if ( isset( $request['author'] ) && get_current_user_id() !== $request['author'] && ! current_user_can( 'moderate_comments' ) ) {
 479              return new WP_Error(
 480                  'rest_comment_invalid_author',
 481                  /* translators: %s: Request parameter. */
 482                  sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author' ),
 483                  array( 'status' => rest_authorization_required_code() )
 484              );
 485          }
 486  
 487          if ( isset( $request['author_ip'] ) && ! current_user_can( 'moderate_comments' ) ) {
 488              if ( empty( $_SERVER['REMOTE_ADDR'] ) || $request['author_ip'] !== $_SERVER['REMOTE_ADDR'] ) {
 489                  return new WP_Error(
 490                      'rest_comment_invalid_author_ip',
 491                      /* translators: %s: Request parameter. */
 492                      sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'author_ip' ),
 493                      array( 'status' => rest_authorization_required_code() )
 494                  );
 495              }
 496          }
 497  
 498          if ( isset( $request['status'] ) && ! current_user_can( 'moderate_comments' ) ) {
 499              return new WP_Error(
 500                  'rest_comment_invalid_status',
 501                  /* translators: %s: Request parameter. */
 502                  sprintf( __( "Sorry, you are not allowed to edit '%s' for comments." ), 'status' ),
 503                  array( 'status' => rest_authorization_required_code() )
 504              );
 505          }
 506  
 507          if ( empty( $request['post'] ) ) {
 508              return new WP_Error(
 509                  'rest_comment_invalid_post_id',
 510                  __( 'Sorry, you are not allowed to create this comment without a post.' ),
 511                  array( 'status' => 403 )
 512              );
 513          }
 514  
 515          $post = get_post( (int) $request['post'] );
 516  
 517          if ( ! $post ) {
 518              return new WP_Error(
 519                  'rest_comment_invalid_post_id',
 520                  __( 'Sorry, you are not allowed to create this comment without a post.' ),
 521                  array( 'status' => 403 )
 522              );
 523          }
 524  
 525          if ( 'draft' === $post->post_status ) {
 526              return new WP_Error(
 527                  'rest_comment_draft_post',
 528                  __( 'Sorry, you are not allowed to create a comment on this post.' ),
 529                  array( 'status' => 403 )
 530              );
 531          }
 532  
 533          if ( 'trash' === $post->post_status ) {
 534              return new WP_Error(
 535                  'rest_comment_trash_post',
 536                  __( 'Sorry, you are not allowed to create a comment on this post.' ),
 537                  array( 'status' => 403 )
 538              );
 539          }
 540  
 541          if ( ! $this->check_read_post_permission( $post, $request ) ) {
 542              return new WP_Error(
 543                  'rest_cannot_read_post',
 544                  __( 'Sorry, you are not allowed to read the post for this comment.' ),
 545                  array( 'status' => rest_authorization_required_code() )
 546              );
 547          }
 548  
 549          if ( ! comments_open( $post->ID ) ) {
 550              return new WP_Error(
 551                  'rest_comment_closed',
 552                  __( 'Sorry, comments are closed for this item.' ),
 553                  array( 'status' => 403 )
 554              );
 555          }
 556  
 557          return true;
 558      }
 559  
 560      /**
 561       * Creates a comment.
 562       *
 563       * @since 4.7.0
 564       *
 565       * @param WP_REST_Request $request Full details about the request.
 566       * @return WP_REST_Response|WP_Error Response object on success, or error object on failure.
 567       */
 568  	public function create_item( $request ) {
 569          if ( ! empty( $request['id'] ) ) {
 570              return new WP_Error(
 571                  'rest_comment_exists',
 572                  __( 'Cannot create existing comment.' ),
 573                  array( 'status' => 400 )
 574              );
 575          }
 576  
 577          // Do not allow comments to be created with a non-default type.
 578          if ( ! empty( $request['type'] ) && 'comment' !== $request['type'] ) {
 579              return new WP_Error(
 580                  'rest_invalid_comment_type',
 581                  __( 'Cannot create a comment with that type.' ),
 582                  array( 'status' => 400 )
 583              );
 584          }
 585  
 586          $prepared_comment = $this->prepare_item_for_database( $request );
 587          if ( is_wp_error( $prepared_comment ) ) {
 588              return $prepared_comment;
 589          }
 590  
 591          $prepared_comment['comment_type'] = 'comment';
 592  
 593          if ( ! isset( $prepared_comment['comment_content'] ) ) {
 594              $prepared_comment['comment_content'] = '';
 595          }
 596  
 597          if ( ! $this->check_is_comment_content_allowed( $prepared_comment ) ) {
 598              return new WP_Error(
 599                  'rest_comment_content_invalid',
 600                  __( 'Invalid comment content.' ),
 601                  array( 'status' => 400 )
 602              );
 603          }
 604  
 605          // Setting remaining values before wp_insert_comment so we can use wp_allow_comment().
 606          if ( ! isset( $prepared_comment['comment_date_gmt'] ) ) {
 607              $prepared_comment['comment_date_gmt'] = current_time( 'mysql', true );
 608          }
 609  
 610          // Set author data if the user's logged in.
 611          $missing_author = empty( $prepared_comment['user_id'] )
 612              && empty( $prepared_comment['comment_author'] )
 613              && empty( $prepared_comment['comment_author_email'] )
 614              && empty( $prepared_comment['comment_author_url'] );
 615  
 616          if ( is_user_logged_in() && $missing_author ) {
 617              $user = wp_get_current_user();
 618  
 619              $prepared_comment['user_id']              = $user->ID;
 620              $prepared_comment['comment_author']       = $user->display_name;
 621              $prepared_comment['comment_author_email'] = $user->user_email;
 622              $prepared_comment['comment_author_url']   = $user->user_url;
 623          }
 624  
 625          // Honor the discussion setting that requires a name and email address of the comment author.
 626          if ( get_option( 'require_name_email' ) ) {
 627              if ( empty( $prepared_comment['comment_author'] ) || empty( $prepared_comment['comment_author_email'] ) ) {
 628                  return new WP_Error(
 629                      'rest_comment_author_data_required',
 630                      __( 'Creating a comment requires valid author name and email values.' ),
 631                      array( 'status' => 400 )
 632                  );
 633              }
 634          }
 635  
 636          if ( ! isset( $prepared_comment['comment_author_email'] ) ) {
 637              $prepared_comment['comment_author_email'] = '';
 638          }
 639  
 640          if ( ! isset( $prepared_comment['comment_author_url'] ) ) {
 641              $prepared_comment['comment_author_url'] = '';
 642          }
 643  
 644          if ( ! isset( $prepared_comment['comment_agent'] ) ) {
 645              $prepared_comment['comment_agent'] = '';
 646          }
 647  
 648          $check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_comment );
 649  
 650          if ( is_wp_error( $check_comment_lengths ) ) {
 651              $error_code = $check_comment_lengths->get_error_code();
 652              return new WP_Error(
 653                  $error_code,
 654                  __( 'Comment field exceeds maximum length allowed.' ),
 655                  array( 'status' => 400 )
 656              );
 657          }
 658  
 659          $prepared_comment['comment_approved'] = wp_allow_comment( $prepared_comment, true );
 660  
 661          if ( is_wp_error( $prepared_comment['comment_approved'] ) ) {
 662              $error_code    = $prepared_comment['comment_approved']->get_error_code();
 663              $error_message = $prepared_comment['comment_approved']->get_error_message();
 664  
 665              if ( 'comment_duplicate' === $error_code ) {
 666                  return new WP_Error(
 667                      $error_code,
 668                      $error_message,
 669                      array( 'status' => 409 )
 670                  );
 671              }
 672  
 673              if ( 'comment_flood' === $error_code ) {
 674                  return new WP_Error(
 675                      $error_code,
 676                      $error_message,
 677                      array( 'status' => 400 )
 678                  );
 679              }
 680  
 681              return $prepared_comment['comment_approved'];
 682          }
 683  
 684          /**
 685           * Filters a comment before it is inserted via the REST API.
 686           *
 687           * Allows modification of the comment right before it is inserted via wp_insert_comment().
 688           * Returning a WP_Error value from the filter will short-circuit insertion and allow
 689           * skipping further processing.
 690           *
 691           * @since 4.7.0
 692           * @since 4.8.0 `$prepared_comment` can now be a WP_Error to short-circuit insertion.
 693           *
 694           * @param array|WP_Error  $prepared_comment The prepared comment data for wp_insert_comment().
 695           * @param WP_REST_Request $request          Request used to insert the comment.
 696           */
 697          $prepared_comment = apply_filters( 'rest_pre_insert_comment', $prepared_comment, $request );
 698          if ( is_wp_error( $prepared_comment ) ) {
 699              return $prepared_comment;
 700          }
 701  
 702          $comment_id = wp_insert_comment( wp_filter_comment( wp_slash( (array) $prepared_comment ) ) );
 703  
 704          if ( ! $comment_id ) {
 705              return new WP_Error(
 706                  'rest_comment_failed_create',
 707                  __( 'Creating comment failed.' ),
 708                  array( 'status' => 500 )
 709              );
 710          }
 711  
 712          if ( isset( $request['status'] ) ) {
 713              $this->handle_status_param( $request['status'], $comment_id );
 714          }
 715  
 716          $comment = get_comment( $comment_id );
 717  
 718          /**
 719           * Fires after a comment is created or updated via the REST API.
 720           *
 721           * @since 4.7.0
 722           *
 723           * @param WP_Comment      $comment  Inserted or updated comment object.
 724           * @param WP_REST_Request $request  Request object.
 725           * @param bool            $creating True when creating a comment, false
 726           *                                  when updating.
 727           */
 728          do_action( 'rest_insert_comment', $comment, $request, true );
 729  
 730          $schema = $this->get_item_schema();
 731  
 732          if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
 733              $meta_update = $this->meta->update_value( $request['meta'], $comment_id );
 734  
 735              if ( is_wp_error( $meta_update ) ) {
 736                  return $meta_update;
 737              }
 738          }
 739  
 740          $fields_update = $this->update_additional_fields_for_object( $comment, $request );
 741  
 742          if ( is_wp_error( $fields_update ) ) {
 743              return $fields_update;
 744          }
 745  
 746          $context = current_user_can( 'moderate_comments' ) ? 'edit' : 'view';
 747          $request->set_param( 'context', $context );
 748  
 749          /**
 750           * Fires completely after a comment is created or updated via the REST API.
 751           *
 752           * @since 5.0.0
 753           *
 754           * @param WP_Comment      $comment  Inserted or updated comment object.
 755           * @param WP_REST_Request $request  Request object.
 756           * @param bool            $creating True when creating a comment, false
 757           *                                  when updating.
 758           */
 759          do_action( 'rest_after_insert_comment', $comment, $request, true );
 760  
 761          $response = $this->prepare_item_for_response( $comment, $request );
 762          $response = rest_ensure_response( $response );
 763  
 764          $response->set_status( 201 );
 765          $response->header( 'Location', rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment_id ) ) );
 766  
 767          return $response;
 768      }
 769  
 770      /**
 771       * Checks if a given REST request has access to update a comment.
 772       *
 773       * @since 4.7.0
 774       *
 775       * @param WP_REST_Request $request Full details about the request.
 776       * @return true|WP_Error True if the request has access to update the item, error object otherwise.
 777       */
 778  	public function update_item_permissions_check( $request ) {
 779          $comment = $this->get_comment( $request['id'] );
 780          if ( is_wp_error( $comment ) ) {
 781              return $comment;
 782          }
 783  
 784          if ( ! $this->check_edit_permission( $comment ) ) {
 785              return new WP_Error(
 786                  'rest_cannot_edit',
 787                  __( 'Sorry, you are not allowed to edit this comment.' ),
 788                  array( 'status' => rest_authorization_required_code() )
 789              );
 790          }
 791  
 792          return true;
 793      }
 794  
 795      /**
 796       * Updates a comment.
 797       *
 798       * @since 4.7.0
 799       *
 800       * @param WP_REST_Request $request Full details about the request.
 801       * @return WP_REST_Response|WP_Error Response object on success, or error object on failure.
 802       */
 803  	public function update_item( $request ) {
 804          $comment = $this->get_comment( $request['id'] );
 805          if ( is_wp_error( $comment ) ) {
 806              return $comment;
 807          }
 808  
 809          $id = $comment->comment_ID;
 810  
 811          if ( isset( $request['type'] ) && get_comment_type( $id ) !== $request['type'] ) {
 812              return new WP_Error(
 813                  'rest_comment_invalid_type',
 814                  __( 'Sorry, you are not allowed to change the comment type.' ),
 815                  array( 'status' => 404 )
 816              );
 817          }
 818  
 819          $prepared_args = $this->prepare_item_for_database( $request );
 820  
 821          if ( is_wp_error( $prepared_args ) ) {
 822              return $prepared_args;
 823          }
 824  
 825          if ( ! empty( $prepared_args['comment_post_ID'] ) ) {
 826              $post = get_post( $prepared_args['comment_post_ID'] );
 827  
 828              if ( empty( $post ) ) {
 829                  return new WP_Error(
 830                      'rest_comment_invalid_post_id',
 831                      __( 'Invalid post ID.' ),
 832                      array( 'status' => 403 )
 833                  );
 834              }
 835          }
 836  
 837          if ( empty( $prepared_args ) && isset( $request['status'] ) ) {
 838              // Only the comment status is being changed.
 839              $change = $this->handle_status_param( $request['status'], $id );
 840  
 841              if ( ! $change ) {
 842                  return new WP_Error(
 843                      'rest_comment_failed_edit',
 844                      __( 'Updating comment status failed.' ),
 845                      array( 'status' => 500 )
 846                  );
 847              }
 848          } elseif ( ! empty( $prepared_args ) ) {
 849              if ( is_wp_error( $prepared_args ) ) {
 850                  return $prepared_args;
 851              }
 852  
 853              if ( isset( $prepared_args['comment_content'] ) && empty( $prepared_args['comment_content'] ) ) {
 854                  return new WP_Error(
 855                      'rest_comment_content_invalid',
 856                      __( 'Invalid comment content.' ),
 857                      array( 'status' => 400 )
 858                  );
 859              }
 860  
 861              $prepared_args['comment_ID'] = $id;
 862  
 863              $check_comment_lengths = wp_check_comment_data_max_lengths( $prepared_args );
 864  
 865              if ( is_wp_error( $check_comment_lengths ) ) {
 866                  $error_code = $check_comment_lengths->get_error_code();
 867                  return new WP_Error(
 868                      $error_code,
 869                      __( 'Comment field exceeds maximum length allowed.' ),
 870                      array( 'status' => 400 )
 871                  );
 872              }
 873  
 874              $updated = wp_update_comment( wp_slash( (array) $prepared_args ), true );
 875  
 876              if ( is_wp_error( $updated ) ) {
 877                  return new WP_Error(
 878                      'rest_comment_failed_edit',
 879                      __( 'Updating comment failed.' ),
 880                      array( 'status' => 500 )
 881                  );
 882              }
 883  
 884              if ( isset( $request['status'] ) ) {
 885                  $this->handle_status_param( $request['status'], $id );
 886              }
 887          }
 888  
 889          $comment = get_comment( $id );
 890  
 891          /** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
 892          do_action( 'rest_insert_comment', $comment, $request, false );
 893  
 894          $schema = $this->get_item_schema();
 895  
 896          if ( ! empty( $schema['properties']['meta'] ) && isset( $request['meta'] ) ) {
 897              $meta_update = $this->meta->update_value( $request['meta'], $id );
 898  
 899              if ( is_wp_error( $meta_update ) ) {
 900                  return $meta_update;
 901              }
 902          }
 903  
 904          $fields_update = $this->update_additional_fields_for_object( $comment, $request );
 905  
 906          if ( is_wp_error( $fields_update ) ) {
 907              return $fields_update;
 908          }
 909  
 910          $request->set_param( 'context', 'edit' );
 911  
 912          /** This action is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
 913          do_action( 'rest_after_insert_comment', $comment, $request, false );
 914  
 915          $response = $this->prepare_item_for_response( $comment, $request );
 916  
 917          return rest_ensure_response( $response );
 918      }
 919  
 920      /**
 921       * Checks if a given request has access to delete a comment.
 922       *
 923       * @since 4.7.0
 924       *
 925       * @param WP_REST_Request $request Full details about the request.
 926       * @return true|WP_Error True if the request has access to delete the item, error object otherwise.
 927       */
 928  	public function delete_item_permissions_check( $request ) {
 929          $comment = $this->get_comment( $request['id'] );
 930          if ( is_wp_error( $comment ) ) {
 931              return $comment;
 932          }
 933  
 934          if ( ! $this->check_edit_permission( $comment ) ) {
 935              return new WP_Error(
 936                  'rest_cannot_delete',
 937                  __( 'Sorry, you are not allowed to delete this comment.' ),
 938                  array( 'status' => rest_authorization_required_code() )
 939              );
 940          }
 941          return true;
 942      }
 943  
 944      /**
 945       * Deletes a comment.
 946       *
 947       * @since 4.7.0
 948       *
 949       * @param WP_REST_Request $request Full details about the request.
 950       * @return WP_REST_Response|WP_Error Response object on success, or error object on failure.
 951       */
 952  	public function delete_item( $request ) {
 953          $comment = $this->get_comment( $request['id'] );
 954          if ( is_wp_error( $comment ) ) {
 955              return $comment;
 956          }
 957  
 958          $force = isset( $request['force'] ) ? (bool) $request['force'] : false;
 959  
 960          /**
 961           * Filters whether a comment can be trashed via the REST API.
 962           *
 963           * Return false to disable trash support for the comment.
 964           *
 965           * @since 4.7.0
 966           *
 967           * @param bool       $supports_trash Whether the comment supports trashing.
 968           * @param WP_Comment $comment        The comment object being considered for trashing support.
 969           */
 970          $supports_trash = apply_filters( 'rest_comment_trashable', ( EMPTY_TRASH_DAYS > 0 ), $comment );
 971  
 972          $request->set_param( 'context', 'edit' );
 973  
 974          if ( $force ) {
 975              $previous = $this->prepare_item_for_response( $comment, $request );
 976              $result   = wp_delete_comment( $comment->comment_ID, true );
 977              $response = new WP_REST_Response();
 978              $response->set_data(
 979                  array(
 980                      'deleted'  => true,
 981                      'previous' => $previous->get_data(),
 982                  )
 983              );
 984          } else {
 985              // If this type doesn't support trashing, error out.
 986              if ( ! $supports_trash ) {
 987                  return new WP_Error(
 988                      'rest_trash_not_supported',
 989                      /* translators: %s: force=true */
 990                      sprintf( __( "The comment does not support trashing. Set '%s' to delete." ), 'force=true' ),
 991                      array( 'status' => 501 )
 992                  );
 993              }
 994  
 995              if ( 'trash' === $comment->comment_approved ) {
 996                  return new WP_Error(
 997                      'rest_already_trashed',
 998                      __( 'The comment has already been trashed.' ),
 999                      array( 'status' => 410 )
1000                  );
1001              }
1002  
1003              $result   = wp_trash_comment( $comment->comment_ID );
1004              $comment  = get_comment( $comment->comment_ID );
1005              $response = $this->prepare_item_for_response( $comment, $request );
1006          }
1007  
1008          if ( ! $result ) {
1009              return new WP_Error(
1010                  'rest_cannot_delete',
1011                  __( 'The comment cannot be deleted.' ),
1012                  array( 'status' => 500 )
1013              );
1014          }
1015  
1016          /**
1017           * Fires after a comment is deleted via the REST API.
1018           *
1019           * @since 4.7.0
1020           *
1021           * @param WP_Comment       $comment  The deleted comment data.
1022           * @param WP_REST_Response $response The response returned from the API.
1023           * @param WP_REST_Request  $request  The request sent to the API.
1024           */
1025          do_action( 'rest_delete_comment', $comment, $response, $request );
1026  
1027          return $response;
1028      }
1029  
1030      /**
1031       * Prepares a single comment output for response.
1032       *
1033       * @since 4.7.0
1034       * @since 5.9.0 Renamed `$comment` to `$item` to match parent class for PHP 8 named parameter support.
1035       *
1036       * @param WP_Comment      $item    Comment object.
1037       * @param WP_REST_Request $request Request object.
1038       * @return WP_REST_Response Response object.
1039       */
1040  	public function prepare_item_for_response( $item, $request ) {
1041          // Restores the more descriptive, specific name for use within this method.
1042          $comment = $item;
1043  
1044          $fields = $this->get_fields_for_response( $request );
1045          $data   = array();
1046  
1047          if ( in_array( 'id', $fields, true ) ) {
1048              $data['id'] = (int) $comment->comment_ID;
1049          }
1050  
1051          if ( in_array( 'post', $fields, true ) ) {
1052              $data['post'] = (int) $comment->comment_post_ID;
1053          }
1054  
1055          if ( in_array( 'parent', $fields, true ) ) {
1056              $data['parent'] = (int) $comment->comment_parent;
1057          }
1058  
1059          if ( in_array( 'author', $fields, true ) ) {
1060              $data['author'] = (int) $comment->user_id;
1061          }
1062  
1063          if ( in_array( 'author_name', $fields, true ) ) {
1064              $data['author_name'] = $comment->comment_author;
1065          }
1066  
1067          if ( in_array( 'author_email', $fields, true ) ) {
1068              $data['author_email'] = $comment->comment_author_email;
1069          }
1070  
1071          if ( in_array( 'author_url', $fields, true ) ) {
1072              $data['author_url'] = $comment->comment_author_url;
1073          }
1074  
1075          if ( in_array( 'author_ip', $fields, true ) ) {
1076              $data['author_ip'] = $comment->comment_author_IP;
1077          }
1078  
1079          if ( in_array( 'author_user_agent', $fields, true ) ) {
1080              $data['author_user_agent'] = $comment->comment_agent;
1081          }
1082  
1083          if ( in_array( 'date', $fields, true ) ) {
1084              $data['date'] = mysql_to_rfc3339( $comment->comment_date );
1085          }
1086  
1087          if ( in_array( 'date_gmt', $fields, true ) ) {
1088              $data['date_gmt'] = mysql_to_rfc3339( $comment->comment_date_gmt );
1089          }
1090  
1091          if ( in_array( 'content', $fields, true ) ) {
1092              $data['content'] = array(
1093                  /** This filter is documented in wp-includes/comment-template.php */
1094                  'rendered' => apply_filters( 'comment_text', $comment->comment_content, $comment, array() ),
1095                  'raw'      => $comment->comment_content,
1096              );
1097          }
1098  
1099          if ( in_array( 'link', $fields, true ) ) {
1100              $data['link'] = get_comment_link( $comment );
1101          }
1102  
1103          if ( in_array( 'status', $fields, true ) ) {
1104              $data['status'] = $this->prepare_status_response( $comment->comment_approved );
1105          }
1106  
1107          if ( in_array( 'type', $fields, true ) ) {
1108              $data['type'] = get_comment_type( $comment->comment_ID );
1109          }
1110  
1111          if ( in_array( 'author_avatar_urls', $fields, true ) ) {
1112              $data['author_avatar_urls'] = rest_get_avatar_urls( $comment );
1113          }
1114  
1115          if ( in_array( 'meta', $fields, true ) ) {
1116              $data['meta'] = $this->meta->get_value( $comment->comment_ID, $request );
1117          }
1118  
1119          $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
1120          $data    = $this->add_additional_fields_to_object( $data, $request );
1121          $data    = $this->filter_response_by_context( $data, $context );
1122  
1123          // Wrap the data in a response object.
1124          $response = rest_ensure_response( $data );
1125  
1126          if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) {
1127              $response->add_links( $this->prepare_links( $comment ) );
1128          }
1129  
1130          /**
1131           * Filters a comment returned from the REST API.
1132           *
1133           * Allows modification of the comment right before it is returned.
1134           *
1135           * @since 4.7.0
1136           *
1137           * @param WP_REST_Response  $response The response object.
1138           * @param WP_Comment        $comment  The original comment object.
1139           * @param WP_REST_Request   $request  Request used to generate the response.
1140           */
1141          return apply_filters( 'rest_prepare_comment', $response, $comment, $request );
1142      }
1143  
1144      /**
1145       * Prepares links for the request.
1146       *
1147       * @since 4.7.0
1148       *
1149       * @param WP_Comment $comment Comment object.
1150       * @return array Links for the given comment.
1151       */
1152  	protected function prepare_links( $comment ) {
1153          $links = array(
1154              'self'       => array(
1155                  'href' => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_ID ) ),
1156              ),
1157              'collection' => array(
1158                  'href' => rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ),
1159              ),
1160          );
1161  
1162          if ( 0 !== (int) $comment->user_id ) {
1163              $links['author'] = array(
1164                  'href'       => rest_url( 'wp/v2/users/' . $comment->user_id ),
1165                  'embeddable' => true,
1166              );
1167          }
1168  
1169          if ( 0 !== (int) $comment->comment_post_ID ) {
1170              $post       = get_post( $comment->comment_post_ID );
1171              $post_route = rest_get_route_for_post( $post );
1172  
1173              if ( ! empty( $post->ID ) && $post_route ) {
1174                  $links['up'] = array(
1175                      'href'       => rest_url( $post_route ),
1176                      'embeddable' => true,
1177                      'post_type'  => $post->post_type,
1178                  );
1179              }
1180          }
1181  
1182          if ( 0 !== (int) $comment->comment_parent ) {
1183              $links['in-reply-to'] = array(
1184                  'href'       => rest_url( sprintf( '%s/%s/%d', $this->namespace, $this->rest_base, $comment->comment_parent ) ),
1185                  'embeddable' => true,
1186              );
1187          }
1188  
1189          // Only grab one comment to verify the comment has children.
1190          $comment_children = $comment->get_children(
1191              array(
1192                  'count'   => true,
1193                  'orderby' => 'none',
1194              )
1195          );
1196  
1197          if ( ! empty( $comment_children ) ) {
1198              $args = array(
1199                  'parent' => $comment->comment_ID,
1200              );
1201  
1202              $rest_url = add_query_arg( $args, rest_url( $this->namespace . '/' . $this->rest_base ) );
1203  
1204              $links['children'] = array(
1205                  'href'       => $rest_url,
1206                  'embeddable' => true,
1207              );
1208          }
1209  
1210          return $links;
1211      }
1212  
1213      /**
1214       * Prepends internal property prefix to query parameters to match our response fields.
1215       *
1216       * @since 4.7.0
1217       *
1218       * @param string $query_param Query parameter.
1219       * @return string The normalized query parameter.
1220       */
1221  	protected function normalize_query_param( $query_param ) {
1222          $prefix = 'comment_';
1223  
1224          switch ( $query_param ) {
1225              case 'id':
1226                  $normalized = $prefix . 'ID';
1227                  break;
1228              case 'post':
1229                  $normalized = $prefix . 'post_ID';
1230                  break;
1231              case 'parent':
1232                  $normalized = $prefix . 'parent';
1233                  break;
1234              case 'include':
1235                  $normalized = 'comment__in';
1236                  break;
1237              default:
1238                  $normalized = $prefix . $query_param;
1239                  break;
1240          }
1241  
1242          return $normalized;
1243      }
1244  
1245      /**
1246       * Checks comment_approved to set comment status for single comment output.
1247       *
1248       * @since 4.7.0
1249       *
1250       * @param string|int $comment_approved comment status.
1251       * @return string Comment status.
1252       */
1253  	protected function prepare_status_response( $comment_approved ) {
1254  
1255          switch ( $comment_approved ) {
1256              case 'hold':
1257              case '0':
1258                  $status = 'hold';
1259                  break;
1260  
1261              case 'approve':
1262              case '1':
1263                  $status = 'approved';
1264                  break;
1265  
1266              case 'spam':
1267              case 'trash':
1268              default:
1269                  $status = $comment_approved;
1270                  break;
1271          }
1272  
1273          return $status;
1274      }
1275  
1276      /**
1277       * Prepares a single comment to be inserted into the database.
1278       *
1279       * @since 4.7.0
1280       *
1281       * @param WP_REST_Request $request Request object.
1282       * @return array|WP_Error Prepared comment, otherwise WP_Error object.
1283       */
1284  	protected function prepare_item_for_database( $request ) {
1285          $prepared_comment = array();
1286  
1287          /*
1288           * Allow the comment_content to be set via the 'content' or
1289           * the 'content.raw' properties of the Request object.
1290           */
1291          if ( isset( $request['content'] ) && is_string( $request['content'] ) ) {
1292              $prepared_comment['comment_content'] = trim( $request['content'] );
1293          } elseif ( isset( $request['content']['raw'] ) && is_string( $request['content']['raw'] ) ) {
1294              $prepared_comment['comment_content'] = trim( $request['content']['raw'] );
1295          }
1296  
1297          if ( isset( $request['post'] ) ) {
1298              $prepared_comment['comment_post_ID'] = (int) $request['post'];
1299          }
1300  
1301          if ( isset( $request['parent'] ) ) {
1302              $prepared_comment['comment_parent'] = $request['parent'];
1303          }
1304  
1305          if ( isset( $request['author'] ) ) {
1306              $user = new WP_User( $request['author'] );
1307  
1308              if ( $user->exists() ) {
1309                  $prepared_comment['user_id']              = $user->ID;
1310                  $prepared_comment['comment_author']       = $user->display_name;
1311                  $prepared_comment['comment_author_email'] = $user->user_email;
1312                  $prepared_comment['comment_author_url']   = $user->user_url;
1313              } else {
1314                  return new WP_Error(
1315                      'rest_comment_author_invalid',
1316                      __( 'Invalid comment author ID.' ),
1317                      array( 'status' => 400 )
1318                  );
1319              }
1320          }
1321  
1322          if ( isset( $request['author_name'] ) ) {
1323              $prepared_comment['comment_author'] = $request['author_name'];
1324          }
1325  
1326          if ( isset( $request['author_email'] ) ) {
1327              $prepared_comment['comment_author_email'] = $request['author_email'];
1328          }
1329  
1330          if ( isset( $request['author_url'] ) ) {
1331              $prepared_comment['comment_author_url'] = $request['author_url'];
1332          }
1333  
1334          if ( isset( $request['author_ip'] ) && current_user_can( 'moderate_comments' ) ) {
1335              $prepared_comment['comment_author_IP'] = $request['author_ip'];
1336          } elseif ( ! empty( $_SERVER['REMOTE_ADDR'] ) && rest_is_ip_address( $_SERVER['REMOTE_ADDR'] ) ) {
1337              $prepared_comment['comment_author_IP'] = $_SERVER['REMOTE_ADDR'];
1338          } else {
1339              $prepared_comment['comment_author_IP'] = '127.0.0.1';
1340          }
1341  
1342          if ( ! empty( $request['author_user_agent'] ) ) {
1343              $prepared_comment['comment_agent'] = $request['author_user_agent'];
1344          } elseif ( $request->get_header( 'user_agent' ) ) {
1345              $prepared_comment['comment_agent'] = $request->get_header( 'user_agent' );
1346          }
1347  
1348          if ( ! empty( $request['date'] ) ) {
1349              $date_data = rest_get_date_with_gmt( $request['date'] );
1350  
1351              if ( ! empty( $date_data ) ) {
1352                  list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data;
1353              }
1354          } elseif ( ! empty( $request['date_gmt'] ) ) {
1355              $date_data = rest_get_date_with_gmt( $request['date_gmt'], true );
1356  
1357              if ( ! empty( $date_data ) ) {
1358                  list( $prepared_comment['comment_date'], $prepared_comment['comment_date_gmt'] ) = $date_data;
1359              }
1360          }
1361  
1362          /**
1363           * Filters a comment added via the REST API after it is prepared for insertion into the database.
1364           *
1365           * Allows modification of the comment right after it is prepared for the database.
1366           *
1367           * @since 4.7.0
1368           *
1369           * @param array           $prepared_comment The prepared comment data for `wp_insert_comment`.
1370           * @param WP_REST_Request $request          The current request.
1371           */
1372          return apply_filters( 'rest_preprocess_comment', $prepared_comment, $request );
1373      }
1374  
1375      /**
1376       * Retrieves the comment's schema, conforming to JSON Schema.
1377       *
1378       * @since 4.7.0
1379       *
1380       * @return array
1381       */
1382  	public function get_item_schema() {
1383          if ( $this->schema ) {
1384              return $this->add_additional_fields_schema( $this->schema );
1385          }
1386  
1387          $schema = array(
1388              '$schema'    => 'http://json-schema.org/draft-04/schema#',
1389              'title'      => 'comment',
1390              'type'       => 'object',
1391              'properties' => array(
1392                  'id'                => array(
1393                      'description' => __( 'Unique identifier for the comment.' ),
1394                      'type'        => 'integer',
1395                      'context'     => array( 'view', 'edit', 'embed' ),
1396                      'readonly'    => true,
1397                  ),
1398                  'author'            => array(
1399                      'description' => __( 'The ID of the user object, if author was a user.' ),
1400                      'type'        => 'integer',
1401                      'context'     => array( 'view', 'edit', 'embed' ),
1402                  ),
1403                  'author_email'      => array(
1404                      'description' => __( 'Email address for the comment author.' ),
1405                      'type'        => 'string',
1406                      'format'      => 'email',
1407                      'context'     => array( 'edit' ),
1408                      'arg_options' => array(
1409                          'sanitize_callback' => array( $this, 'check_comment_author_email' ),
1410                          'validate_callback' => null, // Skip built-in validation of 'email'.
1411                      ),
1412                  ),
1413                  'author_ip'         => array(
1414                      'description' => __( 'IP address for the comment author.' ),
1415                      'type'        => 'string',
1416                      'format'      => 'ip',
1417                      'context'     => array( 'edit' ),
1418                  ),
1419                  'author_name'       => array(
1420                      'description' => __( 'Display name for the comment author.' ),
1421                      'type'        => 'string',
1422                      'context'     => array( 'view', 'edit', 'embed' ),
1423                      'arg_options' => array(
1424                          'sanitize_callback' => 'sanitize_text_field',
1425                      ),
1426                  ),
1427                  'author_url'        => array(
1428                      'description' => __( 'URL for the comment author.' ),
1429                      'type'        => 'string',
1430                      'format'      => 'uri',
1431                      'context'     => array( 'view', 'edit', 'embed' ),
1432                  ),
1433                  'author_user_agent' => array(
1434                      'description' => __( 'User agent for the comment author.' ),
1435                      'type'        => 'string',
1436                      'context'     => array( 'edit' ),
1437                      'arg_options' => array(
1438                          'sanitize_callback' => 'sanitize_text_field',
1439                      ),
1440                  ),
1441                  'content'           => array(
1442                      'description' => __( 'The content for the comment.' ),
1443                      'type'        => 'object',
1444                      'context'     => array( 'view', 'edit', 'embed' ),
1445                      'arg_options' => array(
1446                          'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database().
1447                          'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database().
1448                      ),
1449                      'properties'  => array(
1450                          'raw'      => array(
1451                              'description' => __( 'Content for the comment, as it exists in the database.' ),
1452                              'type'        => 'string',
1453                              'context'     => array( 'edit' ),
1454                          ),
1455                          'rendered' => array(
1456                              'description' => __( 'HTML content for the comment, transformed for display.' ),
1457                              'type'        => 'string',
1458                              'context'     => array( 'view', 'edit', 'embed' ),
1459                              'readonly'    => true,
1460                          ),
1461                      ),
1462                  ),
1463                  'date'              => array(
1464                      'description' => __( "The date the comment was published, in the site's timezone." ),
1465                      'type'        => 'string',
1466                      'format'      => 'date-time',
1467                      'context'     => array( 'view', 'edit', 'embed' ),
1468                  ),
1469                  'date_gmt'          => array(
1470                      'description' => __( 'The date the comment was published, as GMT.' ),
1471                      'type'        => 'string',
1472                      'format'      => 'date-time',
1473                      'context'     => array( 'view', 'edit' ),
1474                  ),
1475                  'link'              => array(
1476                      'description' => __( 'URL to the comment.' ),
1477                      'type'        => 'string',
1478                      'format'      => 'uri',
1479                      'context'     => array( 'view', 'edit', 'embed' ),
1480                      'readonly'    => true,
1481                  ),
1482                  'parent'            => array(
1483                      'description' => __( 'The ID for the parent of the comment.' ),
1484                      'type'        => 'integer',
1485                      'context'     => array( 'view', 'edit', 'embed' ),
1486                      'default'     => 0,
1487                  ),
1488                  'post'              => array(
1489                      'description' => __( 'The ID of the associated post object.' ),
1490                      'type'        => 'integer',
1491                      'context'     => array( 'view', 'edit' ),
1492                      'default'     => 0,
1493                  ),
1494                  'status'            => array(
1495                      'description' => __( 'State of the comment.' ),
1496                      'type'        => 'string',
1497                      'context'     => array( 'view', 'edit' ),
1498                      'arg_options' => array(
1499                          'sanitize_callback' => 'sanitize_key',
1500                      ),
1501                  ),
1502                  'type'              => array(
1503                      'description' => __( 'Type of the comment.' ),
1504                      'type'        => 'string',
1505                      'context'     => array( 'view', 'edit', 'embed' ),
1506                      'readonly'    => true,
1507                  ),
1508              ),
1509          );
1510  
1511          if ( get_option( 'show_avatars' ) ) {
1512              $avatar_properties = array();
1513  
1514              $avatar_sizes = rest_get_avatar_sizes();
1515  
1516              foreach ( $avatar_sizes as $size ) {
1517                  $avatar_properties[ $size ] = array(
1518                      /* translators: %d: Avatar image size in pixels. */
1519                      'description' => sprintf( __( 'Avatar URL with image size of %d pixels.' ), $size ),
1520                      'type'        => 'string',
1521                      'format'      => 'uri',
1522                      'context'     => array( 'embed', 'view', 'edit' ),
1523                  );
1524              }
1525  
1526              $schema['properties']['author_avatar_urls'] = array(
1527                  'description' => __( 'Avatar URLs for the comment author.' ),
1528                  'type'        => 'object',
1529                  'context'     => array( 'view', 'edit', 'embed' ),
1530                  'readonly'    => true,
1531                  'properties'  => $avatar_properties,
1532              );
1533          }
1534  
1535          $schema['properties']['meta'] = $this->meta->get_field_schema();
1536  
1537          $this->schema = $schema;
1538  
1539          return $this->add_additional_fields_schema( $this->schema );
1540      }
1541  
1542      /**
1543       * Retrieves the query params for collections.
1544       *
1545       * @since 4.7.0
1546       *
1547       * @return array Comments collection parameters.
1548       */
1549  	public function get_collection_params() {
1550          $query_params = parent::get_collection_params();
1551  
1552          $query_params['context']['default'] = 'view';
1553  
1554          $query_params['after'] = array(
1555              'description' => __( 'Limit response to comments published after a given ISO8601 compliant date.' ),
1556              'type'        => 'string',
1557              'format'      => 'date-time',
1558          );
1559  
1560          $query_params['author'] = array(
1561              'description' => __( 'Limit result set to comments assigned to specific user IDs. Requires authorization.' ),
1562              'type'        => 'array',
1563              'items'       => array(
1564                  'type' => 'integer',
1565              ),
1566          );
1567  
1568          $query_params['author_exclude'] = array(
1569              'description' => __( 'Ensure result set excludes comments assigned to specific user IDs. Requires authorization.' ),
1570              'type'        => 'array',
1571              'items'       => array(
1572                  'type' => 'integer',
1573              ),
1574          );
1575  
1576          $query_params['author_email'] = array(
1577              'default'     => null,
1578              'description' => __( 'Limit result set to that from a specific author email. Requires authorization.' ),
1579              'format'      => 'email',
1580              'type'        => 'string',
1581          );
1582  
1583          $query_params['before'] = array(
1584              'description' => __( 'Limit response to comments published before a given ISO8601 compliant date.' ),
1585              'type'        => 'string',
1586              'format'      => 'date-time',
1587          );
1588  
1589          $query_params['exclude'] = array(
1590              'description' => __( 'Ensure result set excludes specific IDs.' ),
1591              'type'        => 'array',
1592              'items'       => array(
1593                  'type' => 'integer',
1594              ),
1595              'default'     => array(),
1596          );
1597  
1598          $query_params['include'] = array(
1599              'description' => __( 'Limit result set to specific IDs.' ),
1600              'type'        => 'array',
1601              'items'       => array(
1602                  'type' => 'integer',
1603              ),
1604              'default'     => array(),
1605          );
1606  
1607          $query_params['offset'] = array(
1608              'description' => __( 'Offset the result set by a specific number of items.' ),
1609              'type'        => 'integer',
1610          );
1611  
1612          $query_params['order'] = array(
1613              'description' => __( 'Order sort attribute ascending or descending.' ),
1614              'type'        => 'string',
1615              'default'     => 'desc',
1616              'enum'        => array(
1617                  'asc',
1618                  'desc',
1619              ),
1620          );
1621  
1622          $query_params['orderby'] = array(
1623              'description' => __( 'Sort collection by comment attribute.' ),
1624              'type'        => 'string',
1625              'default'     => 'date_gmt',
1626              'enum'        => array(
1627                  'date',
1628                  'date_gmt',
1629                  'id',
1630                  'include',
1631                  'post',
1632                  'parent',
1633                  'type',
1634              ),
1635          );
1636  
1637          $query_params['parent'] = array(
1638              'default'     => array(),
1639              'description' => __( 'Limit result set to comments of specific parent IDs.' ),
1640              'type'        => 'array',
1641              'items'       => array(
1642                  'type' => 'integer',
1643              ),
1644          );
1645  
1646          $query_params['parent_exclude'] = array(
1647              'default'     => array(),
1648              'description' => __( 'Ensure result set excludes specific parent IDs.' ),
1649              'type'        => 'array',
1650              'items'       => array(
1651                  'type' => 'integer',
1652              ),
1653          );
1654  
1655          $query_params['post'] = array(
1656              'default'     => array(),
1657              'description' => __( 'Limit result set to comments assigned to specific post IDs.' ),
1658              'type'        => 'array',
1659              'items'       => array(
1660                  'type' => 'integer',
1661              ),
1662          );
1663  
1664          $query_params['status'] = array(
1665              'default'           => 'approve',
1666              'description'       => __( 'Limit result set to comments assigned a specific status. Requires authorization.' ),
1667              'sanitize_callback' => 'sanitize_key',
1668              'type'              => 'string',
1669              'validate_callback' => 'rest_validate_request_arg',
1670          );
1671  
1672          $query_params['type'] = array(
1673              'default'           => 'comment',
1674              'description'       => __( 'Limit result set to comments assigned a specific type. Requires authorization.' ),
1675              'sanitize_callback' => 'sanitize_key',
1676              'type'              => 'string',
1677              'validate_callback' => 'rest_validate_request_arg',
1678          );
1679  
1680          $query_params['password'] = array(
1681              'description' => __( 'The password for the post if it is password protected.' ),
1682              'type'        => 'string',
1683          );
1684  
1685          /**
1686           * Filters REST API collection parameters for the comments controller.
1687           *
1688           * This filter registers the collection parameter, but does not map the
1689           * collection parameter to an internal WP_Comment_Query parameter. Use the
1690           * `rest_comment_query` filter to set WP_Comment_Query parameters.
1691           *
1692           * @since 4.7.0
1693           *
1694           * @param array $query_params JSON Schema-formatted collection parameters.
1695           */
1696          return apply_filters( 'rest_comment_collection_params', $query_params );
1697      }
1698  
1699      /**
1700       * Sets the comment_status of a given comment object when creating or updating a comment.
1701       *
1702       * @since 4.7.0
1703       *
1704       * @param string|int $new_status New comment status.
1705       * @param int        $comment_id Comment ID.
1706       * @return bool Whether the status was changed.
1707       */
1708  	protected function handle_status_param( $new_status, $comment_id ) {
1709          $old_status = wp_get_comment_status( $comment_id );
1710  
1711          if ( $new_status === $old_status ) {
1712              return false;
1713          }
1714  
1715          switch ( $new_status ) {
1716              case 'approved':
1717              case 'approve':
1718              case '1':
1719                  $changed = wp_set_comment_status( $comment_id, 'approve' );
1720                  break;
1721              case 'hold':
1722              case '0':
1723                  $changed = wp_set_comment_status( $comment_id, 'hold' );
1724                  break;
1725              case 'spam':
1726                  $changed = wp_spam_comment( $comment_id );
1727                  break;
1728              case 'unspam':
1729                  $changed = wp_unspam_comment( $comment_id );
1730                  break;
1731              case 'trash':
1732                  $changed = wp_trash_comment( $comment_id );
1733                  break;
1734              case 'untrash':
1735                  $changed = wp_untrash_comment( $comment_id );
1736                  break;
1737              default:
1738                  $changed = false;
1739                  break;
1740          }
1741  
1742          return $changed;
1743      }
1744  
1745      /**
1746       * Checks if the post can be read.
1747       *
1748       * Correctly handles posts with the inherit status.
1749       *
1750       * @since 4.7.0
1751       *
1752       * @param WP_Post         $post    Post object.
1753       * @param WP_REST_Request $request Request data to check.
1754       * @return bool Whether post can be read.
1755       */
1756  	protected function check_read_post_permission( $post, $request ) {
1757          $post_type = get_post_type_object( $post->post_type );
1758  
1759          // Return false if custom post type doesn't exist
1760          if ( ! $post_type ) {
1761              return false;
1762          }
1763  
1764          $posts_controller = $post_type->get_rest_controller();
1765  
1766          /*
1767           * Ensure the posts controller is specifically a WP_REST_Posts_Controller instance
1768           * before using methods specific to that controller.
1769           */
1770          if ( ! $posts_controller instanceof WP_REST_Posts_Controller ) {
1771              $posts_controller = new WP_REST_Posts_Controller( $post->post_type );
1772          }
1773  
1774          $has_password_filter = false;
1775  
1776          // Only check password if a specific post was queried for or a single comment
1777          $requested_post    = ! empty( $request['post'] ) && ( ! is_array( $request['post'] ) || 1 === count( $request['post'] ) );
1778          $requested_comment = ! empty( $request['id'] );
1779          if ( ( $requested_post || $requested_comment ) && $posts_controller->can_access_password_content( $post, $request ) ) {
1780              add_filter( 'post_password_required', '__return_false' );
1781  
1782              $has_password_filter = true;
1783          }
1784  
1785          if ( post_password_required( $post ) ) {
1786              $result = current_user_can( 'edit_post', $post->ID );
1787          } else {
1788              $result = $posts_controller->check_read_permission( $post );
1789          }
1790  
1791          if ( $has_password_filter ) {
1792              remove_filter( 'post_password_required', '__return_false' );
1793          }
1794  
1795          return $result;
1796      }
1797  
1798      /**
1799       * Checks if the comment can be read.
1800       *
1801       * @since 4.7.0
1802       *
1803       * @param WP_Comment      $comment Comment object.
1804       * @param WP_REST_Request $request Request data to check.
1805       * @return bool Whether the comment can be read.
1806       */
1807  	protected function check_read_permission( $comment, $request ) {
1808          if ( ! empty( $comment->comment_post_ID ) ) {
1809              $post = get_post( $comment->comment_post_ID );
1810              if ( $post ) {
1811                  if ( $this->check_read_post_permission( $post, $request ) && 1 === (int) $comment->comment_approved ) {
1812                      return true;
1813                  }
1814              }
1815          }
1816  
1817          if ( 0 === get_current_user_id() ) {
1818              return false;
1819          }
1820  
1821          if ( empty( $comment->comment_post_ID ) && ! current_user_can( 'moderate_comments' ) ) {
1822              return false;
1823          }
1824  
1825          if ( ! empty( $comment->user_id ) && get_current_user_id() === (int) $comment->user_id ) {
1826              return true;
1827          }
1828  
1829          return current_user_can( 'edit_comment', $comment->comment_ID );
1830      }
1831  
1832      /**
1833       * Checks if a comment can be edited or deleted.
1834       *
1835       * @since 4.7.0
1836       *
1837       * @param WP_Comment $comment Comment object.
1838       * @return bool Whether the comment can be edited or deleted.
1839       */
1840  	protected function check_edit_permission( $comment ) {
1841          if ( 0 === (int) get_current_user_id() ) {
1842              return false;
1843          }
1844  
1845          if ( current_user_can( 'moderate_comments' ) ) {
1846              return true;
1847          }
1848  
1849          return current_user_can( 'edit_comment', $comment->comment_ID );
1850      }
1851  
1852      /**
1853       * Checks a comment author email for validity.
1854       *
1855       * Accepts either a valid email address or empty string as a valid comment
1856       * author email address. Setting the comment author email to an empty
1857       * string is allowed when a comment is being updated.
1858       *
1859       * @since 4.7.0
1860       *
1861       * @param string          $value   Author email value submitted.
1862       * @param WP_REST_Request $request Full details about the request.
1863       * @param string          $param   The parameter name.
1864       * @return string|WP_Error The sanitized email address, if valid,
1865       *                         otherwise an error.
1866       */
1867  	public function check_comment_author_email( $value, $request, $param ) {
1868          $email = (string) $value;
1869          if ( empty( $email ) ) {
1870              return $email;
1871          }
1872  
1873          $check_email = rest_validate_request_arg( $email, $request, $param );
1874          if ( is_wp_error( $check_email ) ) {
1875              return $check_email;
1876          }
1877  
1878          return $email;
1879      }
1880  
1881      /**
1882       * If empty comments are not allowed, checks if the provided comment content is not empty.
1883       *
1884       * @since 5.6.0
1885       *
1886       * @param array $prepared_comment The prepared comment data.
1887       * @return bool True if the content is allowed, false otherwise.
1888       */
1889  	protected function check_is_comment_content_allowed( $prepared_comment ) {
1890          $check = wp_parse_args(
1891              $prepared_comment,
1892              array(
1893                  'comment_post_ID'      => 0,
1894                  'comment_author'       => null,
1895                  'comment_author_email' => null,
1896                  'comment_author_url'   => null,
1897                  'comment_parent'       => 0,
1898                  'user_id'              => 0,
1899              )
1900          );
1901  
1902          /** This filter is documented in wp-includes/comment.php */
1903          $allow_empty = apply_filters( 'allow_empty_comment', false, $check );
1904  
1905          if ( $allow_empty ) {
1906              return true;
1907          }
1908  
1909          /*
1910           * Do not allow a comment to be created with missing or empty
1911           * comment_content. See wp_handle_comment_submission().
1912           */
1913          return '' !== $check['comment_content'];
1914      }
1915  }


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