Integrate Prevent Direct Access Gold with WordPress File Manager Plugin

pda-integrate-nmedia.php

<?php
add_action( 'pda_s3_pre_sync', 'pda_fix_nmedia_files' ); // Add this line if you are using PDA S3 Integration
add_action( 'pda_before_protect_file', 'pda_fix_nmedia_files' );

/**
 * Try to correct the _wp_attached_file data.
 *
 * Files are uploaded by nmedia plugin its _wp_attached_file are post_url.
 * This function tries to correct them:
 * 1. Get the post parent because nmedia creates two kind of post data. One appears in the WordPress Media UI and its parent is managed by nmedia.
 * 2. Get the parent file path
 * 3. Update the correct _wp_attached_file post data.
 *
 * @param int $attachment_id The attachment's ID.
 */
 function pda_fix_nmedia_files( $attachment_id ) {
  if ( ! is_callable( 'wpfm_get_file_path_by_id' ) ) {
    return;
  }

  $parent_id = wp_get_post_parent_id( $attachment_id );
  if ( empty( $parent_id ) ) {
    return;
  }

  $upload_dir = wp_upload_dir();
  $nmedia_file = wpfm_get_file_path_by_id( $parent_id );
  if ( ! isset( $nmedia_file ) || ! is_file( $nmedia_file ) ) {
    return;
  }

  // The nmedia file path is joined by:
  // $upload_dir ['basedir'], WPFM_USER_UPLOADS, $current_user -> user_login
  // The correct _wp_attached_file doesn't need the $upload_dir ['basedir']
  $nmedia_file_file = str_replace( $upload_dir ['basedir'] . '/', '', $nmedia_file );

  update_post_meta( $attachment_id, '_wp_attached_file', $nmedia_file_file );
}