<?php

/**

 * Manage media uploaded file.

 *

 * There are many filters in here for media. Plugins can extend functionality

 * by hooking into the filters.

 *

 * @package WordPress

 * @subpackage Administration

 */

if ( ! isset( $_GET['inline'] ) ) {

	define( 'IFRAME_REQUEST', true );

}

/** Load WordPress Administration Bootstrap */

require_once( dirname( __FILE__ ) . '/admin.php' );

if ( ! current_user_can( 'upload_files' ) ) {

	wp_die( __( 'Sorry, you are not allowed to upload files.' ), 403 );

}

wp_enqueue_script( 'plupload-handlers' );

wp_enqueue_script( 'image-edit' );

wp_enqueue_script( 'set-post-thumbnail' );

wp_enqueue_style( 'imgareaselect' );

wp_enqueue_script( 'media-gallery' );

@header( 'Content-Type: ' . get_option( 'html_type' ) . '; charset=' . get_option( 'blog_charset' ) );

// IDs should be integers

$ID      = isset( $ID ) ? (int) $ID : 0;

$post_id = isset( $post_id ) ? (int) $post_id : 0;

// Require an ID for the edit screen.

if ( isset( $action ) && $action == 'edit' && ! $ID ) {

	wp_die(

		'<h1>' . __( 'Something went wrong.' ) . '</h1>' .

		'<p>' . __( 'Invalid item ID.' ) . '</p>',

		403

	);

}

if ( ! empty( $_REQUEST['post_id'] ) && ! current_user_can( 'edit_post', $_REQUEST['post_id'] ) ) {

	wp_die(

		'<h1>' . __( 'You need a higher level of permission.' ) . '</h1>' .

		'<p>' . __( 'Sorry, you are not allowed to edit this item.' ) . '</p>',

		403

	);

}

// Upload type: image, video, file, ..?

if ( isset( $_GET['type'] ) ) {

	$type = strval( $_GET['type'] );

} else {

	/**

	 * Filters the default media upload type in the legacy (pre-3.5.0) media popup.

	 *

	 * @since 2.5.0

	 *

	 * @param string $type The default media upload type. Possible values include

	 *                     'image', 'audio', 'video', 'file', etc. Default 'file'.

	 */

	$type = apply_filters( 'media_upload_default_type', 'file' );

}

// Tab: gallery, library, or type-specific.

if ( isset( $_GET['tab'] ) ) {

	$tab = strval( $_GET['tab'] );

} else {

	/**

	 * Filters the default tab in the legacy (pre-3.5.0) media popup.

	 *

	 * @since 2.5.0

	 *

	 * @param string $type The default media popup tab. Default 'type' (From Computer).

	 */

	$tab = apply_filters( 'media_upload_default_tab', 'type' );

}

$body_id = 'media-upload';

// Let the action code decide how to handle the request.

if ( $tab == 'type' || $tab == 'type_url' || ! array_key_exists( $tab, media_upload_tabs() ) ) {

	/**

	 * Fires inside specific upload-type views in the legacy (pre-3.5.0)

	 * media popup based on the current tab.

	 *

	 * The dynamic portion of the hook name, `$type`, refers to the specific

	 * media upload type. Possible values include 'image', 'audio', 'video',

	 * 'file', etc.

	 *

	 * The hook only fires if the current `$tab` is 'type' (From Computer),

	 * 'type_url' (From URL), or, if the tab does not exist (i.e., has not

	 * been registered via the {@see 'media_upload_tabs'} filter.

	 *

	 * @since 2.5.0

	 */

	do_action( "media_upload_{$type}" );

} else {

	/**

	 * Fires inside limited and specific upload-tab views in the legacy

	 * (pre-3.5.0) media popup.

	 *

	 * The dynamic portion of the hook name, `$tab`, refers to the specific

	 * media upload tab. Possible values include 'library' (Media Library),

	 * or any custom tab registered via the {@see 'media_upload_tabs'} filter.

	 *

	 * @since 2.5.0

	 */

	do_action( "media_upload_{$tab}" );

}