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Fuerza descarga de archivos desde url externa en Wordpress. Nota: Comprobar comportamiento global de WP con previo backup.
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/** | |
* Código al functions.php del child theme. | |
* Se podrá descargar archivos en cualquier formato desde una url externa en nuestro dominio. | |
* Para usarlo, por ejemplo definir enlaces así: | |
* https://tudominio.com/download?url=https://dominio-externo.com/archivo.mp3 | |
*/ | |
$url = $_GET['url']; | |
if ( ! empty( $url ) ) { | |
require_once ABSPATH . 'wp-load.php'; | |
require_once ABSPATH . 'wp-admin/includes/admin.php'; | |
$tmp = download_url( esc_url( $url ), 3000, true ); | |
$file_array = array( | |
'name' => basename( $url ), | |
'tmp_name' => $tmp, | |
); | |
if ( is_wp_error( $tmp ) ) { | |
wp_delete_file( $tmp ); | |
return ''; | |
} | |
$overrides = array( 'test_form' => false ); | |
if ( isset( $post_data['post_date'] ) && substr( $post_data['post_date'], 0, 4 ) > 0 ) { | |
$time = $post_data['post_date']; | |
} else { | |
$post = get_post( $post_id ); | |
if ( $post && substr( $post->post_date, 0, 4 ) > 0 ) { | |
$time = $post->post_date; | |
} else { | |
$time = current_time( 'mysql' ); | |
} | |
} | |
$file = wp_handle_sideload( $file_array, $overrides, $time ); | |
if ( isset( $file['error'] ) ) { | |
return new WP_Error( 'upload_error', $file['error'] ); | |
} | |
$url = $file['url']; | |
$type = $file['type']; | |
$file = $file['file']; | |
header('Content-Description: File Transfer'); | |
header('Content-Type: application/octet-stream'); | |
header('Content-Disposition: attachment; filename="'.basename($file).'"'); | |
header('Expires: 0'); | |
header('Cache-Control: must-revalidate'); | |
header('Pragma: public'); | |
header('Content-Length: ' . filesize($file)); | |
flush(); | |
readfile($file); | |
} |
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