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<?php/**
 * Server-side file upload handler from wp-plupload or other asynchronous upload methods.
 *
 * @package WordPress
 * @subpackage Administration
 */
 
 if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
 define( 'DOING_AJAX', true );
 }
 
 if ( ! defined( 'WP_ADMIN' ) ) {
 define( 'WP_ADMIN', true );
 }
 
 if ( defined( 'ABSPATH' ) ) {
 require_once ABSPATH . 'wp-load.php';
 } else {
 require_once dirname( __DIR__ ) . '/wp-load.php';
 }
 
 require_once ABSPATH . 'wp-admin/admin.php';
 
 header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );
 
 if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {
 require ABSPATH . 'wp-admin/includes/ajax-actions.php';
 
 send_nosniff_header();
 nocache_headers();
 
 wp_ajax_upload_attachment();
 die( '0' );
 }
 
 if ( ! current_user_can( 'upload_files' ) ) {
 wp_die( __( 'Sorry, you are not allowed to upload files.' ) );
 }
 
 // Just fetch the detail form for that attachment.
 if ( isset( $_REQUEST['attachment_id'] ) && (int) $_REQUEST['attachment_id'] && $_REQUEST['fetch'] ) {
 $id   = (int) $_REQUEST['attachment_id'];
 $post = get_post( $id );
 if ( 'attachment' !== $post->post_type ) {
 wp_die( __( 'Invalid post type.' ) );
 }
 
 switch ( $_REQUEST['fetch'] ) {
 case 3:
 ?>
 <div class="media-item-wrapper">
 <div class="attachment-details">
 <?php
 $thumb_url = wp_get_attachment_image_src( $id, 'thumbnail', true );
 if ( $thumb_url ) {
 echo '<img class="pinkynail" src="' . esc_url( $thumb_url[0] ) . '" alt="" />';
 }
 
 // Title shouldn't ever be empty, but use filename just in case.
 $file     = get_attached_file( $post->ID );
 $file_url = wp_get_attachment_url( $post->ID );
 $title    = $post->post_title ? $post->post_title : wp_basename( $file );
 ?>
 <div class="filename new">
 <span class="media-list-title"><strong><?php echo esc_html( wp_html_excerpt( $title, 60, '…' ) ); ?></strong></span>
 <span class="media-list-subtitle"><?php echo esc_html( wp_basename( $file ) ); ?></span>
 <div class="attachment-tools">
 <?php
 if ( current_user_can( 'edit_post', $id ) ) {
 echo '<a class="edit-attachment" href="' . esc_url( get_edit_post_link( $id ) ) . '">' . _x( 'Edit', 'media item' ) . '</a>';
 } else {
 echo '<span class="edit-attachment">' . _x( 'Success', 'media item' ) . '</span>';
 }
 ?>
 <span class="media-item-copy-container copy-to-clipboard-container edit-attachment">
 <button type="button" class="button button-small copy-attachment-url" data-clipboard-text="<?php echo $file_url; ?>"><?php _e( 'Copy URL to clipboard' ); ?></button>
 <span class="success hidden" aria-hidden="true"><?php _e( 'Copied!' ); ?></span>
 </span>
 </div>
 </div>
 </div>
 </div>
 <?php
 break;
 case 2:
 add_filter( 'attachment_fields_to_edit', 'media_single_attachment_fields_to_edit', 10, 2 );
 echo get_media_item(
 $id,
 array(
 'send'   => false,
 'delete' => true,
 )
 );
 break;
 default:
 add_filter( 'attachment_fields_to_edit', 'media_post_single_attachment_fields_to_edit', 10, 2 );
 echo get_media_item( $id );
 break;
 }
 exit;
 }
 
 check_admin_referer( 'media-form' );
 
 $post_id = 0;
 if ( isset( $_REQUEST['post_id'] ) ) {
 $post_id = absint( $_REQUEST['post_id'] );
 if ( ! get_post( $post_id ) || ! current_user_can( 'edit_post', $post_id ) ) {
 $post_id = 0;
 }
 }
 
 $id = media_handle_upload( 'async-upload', $post_id );
 if ( is_wp_error( $id ) ) {
 $message = sprintf(
 '%s <strong>%s</strong><br />%s',
 sprintf(
 '<button type="button" class="dismiss button-link" onclick="jQuery(this).parents(\'div.media-item\').slideUp(200, function(){jQuery(this).remove();});">%s</button>',
 __( 'Dismiss' )
 ),
 sprintf(
 /* translators: %s: Name of the file that failed to upload. */
 __( '“%s” has failed to upload.' ),
 esc_html( $_FILES['async-upload']['name'] )
 ),
 esc_html( $id->get_error_message() )
 );
 wp_admin_notice(
 $message,
 array(
 'additional_classes' => array( 'error-div', 'error' ),
 'paragraph_wrap'     => false,
 )
 );
 exit;
 }
 
 if ( $_REQUEST['short'] ) {
 // Short form response - attachment ID only.
 echo $id;
 } else {
 // Long form response - big chunk of HTML.
 $type = $_REQUEST['type'];
 
 /**
 * Filters the returned ID of an uploaded attachment.
 *
 * The dynamic portion of the hook name, `$type`, refers to the attachment type.
 *
 * Possible hook names include:
 *
 *  - `async_upload_audio`
 *  - `async_upload_file`
 *  - `async_upload_image`
 *  - `async_upload_video`
 *
 * @since 2.5.0
 *
 * @param int $id Uploaded attachment ID.
 */
 echo apply_filters( "async_upload_{$type}", $id );
 }
 
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