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   1  <?php
   2  /**
   3   * Edit post administration panel.
   4   *
   5   * Manage Post actions: post, edit, delete, etc.
   6   *
   7   * @package WordPress
   8   * @subpackage Administration
   9   */
  10  
  11  /** WordPress Administration Bootstrap */
  12  require_once  __DIR__ . '/admin.php';
  13  
  14  $parent_file  = 'edit.php';
  15  $submenu_file = 'edit.php';
  16  
  17  $action = ! empty( $_REQUEST['action'] ) ? sanitize_text_field( $_REQUEST['action'] ) : '';
  18  
  19  if ( isset( $_GET['post'] ) && isset( $_POST['post_ID'] ) && (int) $_GET['post'] !== (int) $_POST['post_ID'] ) {
  20      wp_die( __( 'A post ID mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
  21  } elseif ( isset( $_GET['post'] ) ) {
  22      $post_id = (int) $_GET['post'];
  23  } elseif ( isset( $_POST['post_ID'] ) ) {
  24      $post_id = (int) $_POST['post_ID'];
  25  } else {
  26      $post_id = 0;
  27  }
  28  $post_ID = $post_id;
  29  
  30  /**
  31   * @global string       $post_type        Global post type.
  32   * @global WP_Post_Type $post_type_object Global post type object.
  33   * @global WP_Post      $post             Global post object.
  34   */
  35  global $post_type, $post_type_object, $post;
  36  
  37  if ( $post_id ) {
  38      $post = get_post( $post_id );
  39  }
  40  
  41  if ( $post ) {
  42      $post_type        = $post->post_type;
  43      $post_type_object = get_post_type_object( $post_type );
  44  }
  45  
  46  if ( isset( $_POST['post_type'] ) && $post && $post_type !== $_POST['post_type'] ) {
  47      wp_die( __( 'A post type mismatch has been detected.' ), __( 'Sorry, you are not allowed to edit this item.' ), 400 );
  48  }
  49  
  50  if ( isset( $_POST['deletepost'] ) ) {
  51      $action = 'delete';
  52  } elseif ( isset( $_POST['wp-preview'] ) && 'dopreview' === $_POST['wp-preview'] ) {
  53      $action = 'preview';
  54  }
  55  
  56  $sendback = wp_get_referer();
  57  if ( ! $sendback ||
  58      str_contains( $sendback, 'post.php' ) ||
  59      str_contains( $sendback, 'post-new.php' ) ) {
  60      if ( 'attachment' === $post_type ) {
  61          $sendback = admin_url( 'upload.php' );
  62      } else {
  63          $sendback = admin_url( 'edit.php' );
  64          if ( ! empty( $post_type ) ) {
  65              $sendback = add_query_arg( 'post_type', $post_type, $sendback );
  66          }
  67      }
  68  } else {
  69      $sendback = remove_query_arg( array( 'trashed', 'untrashed', 'deleted', 'ids' ), $sendback );
  70  }
  71  
  72  switch ( $action ) {
  73      case 'post-quickdraft-save':
  74          // Check nonce and capabilities.
  75          $nonce     = $_REQUEST['_wpnonce'];
  76          $error_msg = false;
  77  
  78          // For output of the Quick Draft dashboard widget.
  79          require_once  ABSPATH . 'wp-admin/includes/dashboard.php';
  80  
  81          if ( ! wp_verify_nonce( $nonce, 'add-post' ) ) {
  82              $error_msg = __( 'Unable to submit this form, please refresh and try again.' );
  83          }
  84  
  85          if ( ! current_user_can( get_post_type_object( 'post' )->cap->create_posts ) ) {
  86              exit;
  87          }
  88  
  89          if ( $error_msg ) {
  90              return wp_dashboard_quick_press( $error_msg );
  91          }
  92  
  93          $post = get_post( $_REQUEST['post_ID'] );
  94          check_admin_referer( 'add-' . $post->post_type );
  95  
  96          $_POST['comment_status'] = get_default_comment_status( $post->post_type );
  97          $_POST['ping_status']    = get_default_comment_status( $post->post_type, 'pingback' );
  98  
  99          // Wrap Quick Draft content in the Paragraph block.
 100          if ( ! str_contains( $_POST['content'], '<!-- wp:paragraph -->' ) ) {
 101              $_POST['content'] = sprintf(
 102                  '<!-- wp:paragraph -->%s<!-- /wp:paragraph -->',
 103                  str_replace( array( "\r\n", "\r", "\n" ), '<br />', $_POST['content'] )
 104              );
 105          }
 106  
 107          edit_post();
 108          wp_dashboard_quick_press();
 109          exit;
 110  
 111      case 'postajaxpost':
 112      case 'post':
 113          check_admin_referer( 'add-' . $post_type );
 114          $post_id = 'postajaxpost' === $action ? edit_post() : write_post();
 115          redirect_post( $post_id );
 116          exit;
 117  
 118      case 'edit':
 119          $editing = true;
 120  
 121          if ( empty( $post_id ) ) {
 122              wp_redirect( admin_url( 'post.php' ) );
 123              exit;
 124          }
 125  
 126          if ( ! $post ) {
 127              wp_die( __( 'You attempted to edit an item that does not exist. Perhaps it was deleted?' ) );
 128          }
 129  
 130          if ( ! $post_type_object ) {
 131              wp_die( __( 'Invalid post type.' ) );
 132          }
 133  
 134          if ( ! in_array( $typenow, get_post_types( array( 'show_ui' => true ) ), true ) ) {
 135              wp_die( __( 'Sorry, you are not allowed to edit posts in this post type.' ) );
 136          }
 137  
 138          if ( ! current_user_can( 'edit_post', $post_id ) ) {
 139              wp_die( __( 'Sorry, you are not allowed to edit this item.' ) );
 140          }
 141  
 142          if ( 'trash' === $post->post_status ) {
 143              wp_die( __( 'You cannot edit this item because it is in the Trash. Please restore it and try again.' ) );
 144          }
 145  
 146          if ( ! empty( $_GET['get-post-lock'] ) ) {
 147              check_admin_referer( 'lock-post_' . $post_id );
 148              wp_set_post_lock( $post_id );
 149              wp_redirect( get_edit_post_link( $post_id, 'url' ) );
 150              exit;
 151          }
 152  
 153          $post_type = $post->post_type;
 154          if ( 'post' === $post_type ) {
 155              $parent_file   = 'edit.php';
 156              $submenu_file  = 'edit.php';
 157              $post_new_file = 'post-new.php';
 158          } elseif ( 'attachment' === $post_type ) {
 159              $parent_file   = 'upload.php';
 160              $submenu_file  = 'upload.php';
 161              $post_new_file = 'media-new.php';
 162          } else {
 163              if ( isset( $post_type_object ) && $post_type_object->show_in_menu && true !== $post_type_object->show_in_menu ) {
 164                  $parent_file = $post_type_object->show_in_menu;
 165              } else {
 166                  $parent_file = "edit.php?post_type=$post_type";
 167              }
 168              $submenu_file  = "edit.php?post_type=$post_type";
 169              $post_new_file = "post-new.php?post_type=$post_type";
 170          }
 171  
 172          $title = $post_type_object->labels->edit_item;
 173  
 174          /**
 175           * Allows replacement of the editor.
 176           *
 177           * @since 4.9.0
 178           *
 179           * @param bool    $replace Whether to replace the editor. Default false.
 180           * @param WP_Post $post    Post object.
 181           */
 182          if ( true === apply_filters( 'replace_editor', false, $post ) ) {
 183              break;
 184          }
 185  
 186          if ( use_block_editor_for_post( $post ) ) {
 187              require  ABSPATH . 'wp-admin/edit-form-blocks.php';
 188              break;
 189          }
 190  
 191          if ( ! wp_check_post_lock( $post->ID ) ) {
 192              $active_post_lock = wp_set_post_lock( $post->ID );
 193  
 194              if ( 'attachment' !== $post_type ) {
 195                  wp_enqueue_script( 'autosave' );
 196              }
 197          }
 198  
 199          $post = get_post( $post_id, OBJECT, 'edit' );
 200  
 201          if ( post_type_supports( $post_type, 'comments' ) ) {
 202              wp_enqueue_script( 'admin-comments' );
 203              enqueue_comment_hotkeys_js();
 204          }
 205  
 206          require  ABSPATH . 'wp-admin/edit-form-advanced.php';
 207  
 208          break;
 209  
 210      case 'editattachment':
 211          check_admin_referer( 'update-post_' . $post_id );
 212  
 213          // Don't let these be changed.
 214          unset( $_POST['guid'] );
 215          $_POST['post_type'] = 'attachment';
 216  
 217          // Update the thumbnail filename.
 218          $newmeta          = wp_get_attachment_metadata( $post_id, true );
 219          $newmeta['thumb'] = wp_basename( $_POST['thumb'] );
 220  
 221          wp_update_attachment_metadata( $post_id, $newmeta );
 222  
 223          // Intentional fall-through to trigger the edit_post() call.
 224      case 'editpost':
 225          check_admin_referer( 'update-post_' . $post_id );
 226  
 227          $post_id = edit_post();
 228  
 229          // Session cookie flag that the post was saved.
 230          if ( isset( $_COOKIE['wp-saving-post'] ) && $_COOKIE['wp-saving-post'] === $post_id . '-check' ) {
 231              setcookie( 'wp-saving-post', $post_id . '-saved', time() + DAY_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, is_ssl() );
 232          }
 233  
 234          redirect_post( $post_id ); // Send user on their way while we keep working.
 235  
 236          exit;
 237  
 238      case 'trash':
 239          check_admin_referer( 'trash-post_' . $post_id );
 240  
 241          if ( ! $post ) {
 242              wp_die( __( 'The item you are trying to move to the Trash no longer exists.' ) );
 243          }
 244  
 245          if ( ! $post_type_object ) {
 246              wp_die( __( 'Invalid post type.' ) );
 247          }
 248  
 249          if ( ! current_user_can( 'delete_post', $post_id ) ) {
 250              wp_die( __( 'Sorry, you are not allowed to move this item to the Trash.' ) );
 251          }
 252  
 253          $user_id = wp_check_post_lock( $post_id );
 254          if ( $user_id ) {
 255              $user = get_userdata( $user_id );
 256              /* translators: %s: User's display name. */
 257              wp_die( sprintf( __( 'You cannot move this item to the Trash. %s is currently editing.' ), $user->display_name ) );
 258          }
 259  
 260          if ( ! wp_trash_post( $post_id ) ) {
 261              wp_die( __( 'Error in moving the item to Trash.' ) );
 262          }
 263  
 264          wp_redirect(
 265              add_query_arg(
 266                  array(
 267                      'trashed' => 1,
 268                      'ids'     => $post_id,
 269                  ),
 270                  $sendback
 271              )
 272          );
 273          exit;
 274  
 275      case 'untrash':
 276          check_admin_referer( 'untrash-post_' . $post_id );
 277  
 278          if ( ! $post ) {
 279              wp_die( __( 'The item you are trying to restore from the Trash no longer exists.' ) );
 280          }
 281  
 282          if ( ! $post_type_object ) {
 283              wp_die( __( 'Invalid post type.' ) );
 284          }
 285  
 286          if ( ! current_user_can( 'delete_post', $post_id ) ) {
 287              wp_die( __( 'Sorry, you are not allowed to restore this item from the Trash.' ) );
 288          }
 289  
 290          if ( ! wp_untrash_post( $post_id ) ) {
 291              wp_die( __( 'Error in restoring the item from Trash.' ) );
 292          }
 293  
 294          $sendback = add_query_arg(
 295              array(
 296                  'untrashed' => 1,
 297                  'ids'       => $post_id,
 298              ),
 299              $sendback
 300          );
 301          wp_redirect( $sendback );
 302          exit;
 303  
 304      case 'delete':
 305          check_admin_referer( 'delete-post_' . $post_id );
 306  
 307          if ( ! $post ) {
 308              wp_die( __( 'This item has already been deleted.' ) );
 309          }
 310  
 311          if ( ! $post_type_object ) {
 312              wp_die( __( 'Invalid post type.' ) );
 313          }
 314  
 315          if ( ! current_user_can( 'delete_post', $post_id ) ) {
 316              wp_die( __( 'Sorry, you are not allowed to delete this item.' ) );
 317          }
 318  
 319          if ( 'attachment' === $post->post_type ) {
 320              $force = ( ! MEDIA_TRASH );
 321              if ( ! wp_delete_attachment( $post_id, $force ) ) {
 322                  wp_die( __( 'Error in deleting the attachment.' ) );
 323              }
 324          } else {
 325              if ( ! wp_delete_post( $post_id, true ) ) {
 326                  wp_die( __( 'Error in deleting the item.' ) );
 327              }
 328          }
 329  
 330          wp_redirect( add_query_arg( 'deleted', 1, $sendback ) );
 331          exit;
 332  
 333      case 'preview':
 334          check_admin_referer( 'update-post_' . $post_id );
 335  
 336          $url = post_preview();
 337  
 338          wp_redirect( $url );
 339          exit;
 340  
 341      case 'toggle-custom-fields':
 342          check_admin_referer( 'toggle-custom-fields', 'toggle-custom-fields-nonce' );
 343  
 344          $current_user_id = get_current_user_id();
 345          if ( $current_user_id ) {
 346              $enable_custom_fields = (bool) get_user_meta( $current_user_id, 'enable_custom_fields', true );
 347              update_user_meta( $current_user_id, 'enable_custom_fields', ! $enable_custom_fields );
 348          }
 349  
 350          wp_safe_redirect( wp_get_referer() );
 351          exit;
 352  
 353      default:
 354          /**
 355           * Fires for a given custom post action request.
 356           *
 357           * The dynamic portion of the hook name, `$action`, refers to the custom post action.
 358           *
 359           * @since 4.6.0
 360           *
 361           * @param int $post_id Post ID sent with the request.
 362           */
 363          do_action( "post_action_{$action}", $post_id );
 364  
 365          wp_redirect( admin_url( 'edit.php' ) );
 366          exit;
 367  } // End switch.
 368  
 369  require_once  ABSPATH . 'wp-admin/admin-footer.php';