<?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, '&hellip;' ) ); ?></strong></span>

					</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 ) ) {

		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() )

	);

	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 );

}