<?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( dirname( __FILE__ ) ) . '/wp-load.php' );

}

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

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

if ( isset( $_REQUEST['action'] ) && 'upload-attachment' === $_REQUEST['action'] ) {

	include( 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($_REQUEST['attachment_id']) && ($id = intval($_REQUEST['attachment_id'])) && $_REQUEST['fetch'] ) {

	$post = get_post( $id );

	if ( 'attachment' != $post->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 '<img class="pinkynail" src="' . esc_url( $thumb_url[0] ) . '" alt="" />';

			echo '<a class="edit-attachment" href="' . esc_url( get_edit_post_link( $id ) ) . '" target="_blank">' . _x( 'Edit', 'media item' ) . '</a>';

			// Title shouldn't ever be empty, but use filename just in case.

			$file = get_attached_file( $post->ID );

			$title = $post->post_title ? $post->post_title : wp_basename( $file );

			echo '<div class="filename new"><span class="title">' . esc_html( wp_html_excerpt( $title, 60, '&hellip;' ) ) . '</span></div>';

			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) ) {

	echo '<div class="error-div error">

	<a class="dismiss" href="#" onclick="jQuery(this).parents(\'div.media-item\').slideUp(200, function(){jQuery(this).remove();});">' . __('Dismiss') . '</a>

	<strong>' . sprintf(__('&#8220;%s&#8221; has failed to upload.'), esc_html($_FILES['async-upload']['name']) ) . '</strong><br />' .

	esc_html($id->get_error_message()) . '</div>';

	exit;

}

if ( $_REQUEST['short'] ) {

	// Short form response - attachment ID only.

	echo $id;

} else {

	// Long form response - big chunk o 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( "async_upload_{$type}", $id );

}