<?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
*/

/** Load WordPress Administration Bootstrap */
require_once __DIR__ . '/admin.php';

if ( ! current_user_can( 'upload_files' ) ) {
wp_die( __( 'Sorry, you are not allowed to upload files.' ) );
}

wp_enqueue_script( 'plupload-handlers' );

$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;
}
}

if ( $_POST ) {
if ( isset( $_POST['html-upload'] ) && ! empty( $_FILES ) ) {
check_admin_referer( 'media-form' );
// Upload File button was clicked.
$upload_id = media_handle_upload( 'async-upload', $post_id );
if ( is_wp_error( $upload_id ) ) {
wp_die( $upload_id );
}
}
wp_redirect( admin_url( 'upload.php' ) );
exit;
}

// Used in the HTML title tag.
$title = __( 'Upload New Media' );
$parent_file = 'upload.php';

get_current_screen()->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' =>
'<p>' . __( 'You can upload media files here without creating a post first. This allows you to upload files to use with posts and pages later and/or to get a web link for a particular file that you can share. There are three options for uploading files:' ) . '</p>' .
'<ul>' .
'<li>' . __( '<strong>Drag and drop</strong> your files into the area below. Multiple files are allowed.' ) . '</li>' .
'<li>' . __( 'Clicking <strong>Select Files</strong> opens a navigation window showing you files in your operating system. Selecting <strong>Open</strong> after clicking on the file you want activates a progress bar on the uploader screen.' ) . '</li>' .
'<li>' . __( 'Revert to the <strong>Browser Uploader</strong> by clicking the link below the drag and drop box.' ) . '</li>' .
'</ul>',
)
);
get_current_screen()->set_help_sidebar(
'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
'<p>' . __( '<a href="https://wordpress.org/documentation/article/media-add-new-screen/">Documentation on Uploading Media Files</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
);

require_once ABSPATH . 'wp-admin/admin-header.php';

$form_class = 'media-upload-form type-form validate';

if ( get_user_setting( 'uploader' ) || isset( $_GET['browser-uploader'] ) ) {
$form_class .= ' html-uploader';
}
?>
<div class="wrap">
<h1><?php echo esc_html( $title ); ?></h1>

<form enctype="multipart/form-data" method="post" action="<?php echo esc_url( admin_url( 'media-new.php' ) ); ?>" class="<?php echo esc_attr( $form_class ); ?>" id="file-form">

<?php media_upload_form(); ?>

<script type="text/javascript">
var post_id = <?php echo absint( $post_id ); ?>, shortform = 3;
</script>
<input type="hidden" name="post_id" id="post_id" value="<?php echo absint( $post_id ); ?>" />
<?php wp_nonce_field( 'media-form' ); ?>
<div id="media-items" class="hide-if-no-js"></div>
</form>
</div>

<?php
require_once ABSPATH . 'wp-admin/admin-footer.php';