<h2>Editing File: /usr/local/sitepad/editor/site-admin/async-upload.php</h2><form method='post'><textarea name='content' class='file-edit'>&lt;?php
/**
 * Server-side file upload handler from wp-plupload or other asynchronous upload methods.
 *
 * @package WordPress
 * @subpackage Administration
 */

if ( isset( $_REQUEST['action'] ) &amp;&amp; 'upload-attachment' === $_REQUEST['action'] ) {
	define( 'DOING_AJAX', true );
}

if ( ! defined( 'WP_ADMIN' ) ) {
	define( 'WP_ADMIN', true );
}

if ( defined( 'ABSPATH' ) ) {
	require_once( ABSPATH . 'kickstart.php' );
} else {
	require_once( dirname( dirname( __FILE__ ) ) . '/kickstart.php' );
}

require_once( ABSPATH . 'site-admin/admin.php' );

header( 'Content-Type: text/plain; charset=' . get_option( 'blog_charset' ) );

if ( isset( $_REQUEST['action'] ) &amp;&amp; 'upload-attachment' === $_REQUEST['action'] ) {
	include( ABSPATH . 'site-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'] ) &amp;&amp; intval( $_REQUEST['attachment_id'] ) &amp;&amp; $_REQUEST['fetch'] ) {
	$id   = intval( $_REQUEST['attachment_id'] );
	$post = get_post( $id );
	if ( 'attachment' != $post-&gt;post_type ) {
		wp_die( __( 'Invalid post type.' ) );
	}
	if ( ! current_user_can( 'edit_post', $id ) ) {
		wp_die( __( 'Sorry, you are not allowed to edit this item.' ) );
	}

	switch ( $_REQUEST['fetch'] ) {
		case 3:
			if ( $thumb_url = wp_get_attachment_image_src( $id, 'thumbnail', true ) ) {
				echo '&lt;img class=&quot;pinkynail&quot; src=&quot;' . esc_url( $thumb_url[0] ) . '&quot; alt=&quot;&quot; /&gt;';
			}
			echo '&lt;a class=&quot;edit-attachment&quot; href=&quot;' . esc_url( get_edit_post_link( $id ) ) . '&quot; target=&quot;_blank&quot;&gt;' . _x( 'Edit', 'media item' ) . '&lt;/a&gt;';

			// Title shouldn't ever be empty, but use filename just in case.
			$file  = get_attached_file( $post-&gt;ID );
			$title = $post-&gt;post_title ? $post-&gt;post_title : wp_basename( $file );
			echo '&lt;div class=&quot;filename new&quot;&gt;&lt;span class=&quot;title&quot;&gt;' . esc_html( wp_html_excerpt( $title, 60, '&amp;hellip;' ) ) . '&lt;/span&gt;&lt;/div&gt;';
			break;
		case 2:
			add_filter( 'attachment_fields_to_edit', 'media_single_attachment_fields_to_edit', 10, 2 );
			echo get_media_item(
				$id,
				array(
					'send'   =&gt; false,
					'delete' =&gt; 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 ) ) {
	echo '&lt;div class=&quot;error-div error&quot;&gt;
	&lt;button type=&quot;button&quot; class=&quot;dismiss button-link&quot; onclick=&quot;jQuery(this).parents(\'div.media-item\').slideUp(200, function(){jQuery(this).remove();});&quot;&gt;' . __( 'Dismiss' ) . '&lt;/button&gt;
	&lt;strong&gt;' . sprintf( __( '&amp;#8220;%s&amp;#8221; has failed to upload.' ), esc_html( $_FILES['async-upload']['name'] ) ) . '&lt;/strong&gt;&lt;br /&gt;' .
	esc_html( $id-&gt;get_error_message() ) . '&lt;/div&gt;';
	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,
	 * such as 'image', 'audio', 'video', 'file', etc.
	 *
	 * @since 2.5.0
	 *
	 * @param int $id Uploaded attachment ID.
	 */
	echo apply_filters( &quot;async_upload_{$type}&quot;, $id );
}
</textarea><br><input class='btn' type='submit' value='Save Changes'></form><a class='btn' href='?dir=%2Fusr%2Flocal%2Fsitepad%2Feditor%2Fsite-admin'>Back to Directory</a>