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Mejoramos nuestro plugin
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<?php | |
/* | |
Plugin Name: Seguridad en Plugins | |
Description: Aprendiendo a hacer nuestros plugins más seguros | |
Text Domain: seguridad-plugins | |
Domain Path: /languages | |
*/ | |
/** | |
* Añadimos un enlace para eliminar el post | |
* y un formulario para cambiar el título al | |
* final de su contenido | |
*/ | |
add_filter( 'the_content', 'dp_sep_add_options' ); | |
function dp_sep_add_options( $content ){ | |
$new_content = $content; | |
if( is_single() && in_the_loop() && is_main_query() && current_user_can('edit_others_posts') ): | |
// http://cursodesarrolloplugins.local/?action=dp_sep_delete&post_id=8 | |
$post_id = get_the_ID(); | |
$url = add_query_arg( array( | |
'action' => 'dp_sep_delete', | |
'post_id' => $post_id, | |
'nonce' => wp_create_nonce('dp_sep_delete-'.$post_id), | |
), home_url() ); | |
// Añadimos el enlace | |
$new_content .= '<a href="'.esc_url($url).'">'.esc_html__( 'Eliminar post', 'seguridad-plugins').'</a>'; | |
// Añadimos el formulario | |
$new_content .= | |
'<form action="" method="post">'. | |
wp_nonce_field( 'dp_sep_update_title-'.$post_id, 'nonce' ).' | |
<input type="hidden" name="action" value="dp_sep_update_title"> | |
<input type="hidden" name="post_id" value="'.esc_attr($post_id).'"> | |
<input type="text" name="post_title" value="" placeholder="'.esc_attr__( 'Nuevo título', 'seguridad-plugins').'"> | |
<input type="submit" value="'.esc_attr__( 'Cambiar', 'seguridad-plugins').'"> | |
</form>'; | |
endif; | |
return $new_content; | |
} | |
/** | |
* Recuperamos los parámetros de la URL y actuamos | |
* según el parámetro recibido | |
*/ | |
add_action( 'init', 'dp_sep_delete_or_update_post' ); | |
function dp_sep_delete_or_update_post(){ | |
if( isset( $_REQUEST['action'] ) && | |
isset( $_REQUEST['post_id'] ) && | |
isset( $_REQUEST['nonce'] ) && | |
current_user_can('edit_others_posts') && | |
wp_verify_nonce( $_REQUEST['nonce'], $_REQUEST['action'].'-'.$_REQUEST['post_id']) && | |
(absint($_REQUEST['post_id']) == $_REQUEST['post_id']) | |
): | |
$action = $_REQUEST['action']; | |
$post_id = $_REQUEST['post_id']; | |
switch ($action): | |
case 'dp_sep_delete': | |
// Enviamos a la papelera este post | |
wp_trash_post( $post_id ); | |
break; | |
case 'dp_sep_update_title': | |
// Actualizamos el título del post | |
if( isset($_POST['post_title']) && | |
!empty($_POST['post_title']) ): | |
$title = sanitize_text_field($_POST['post_title']); | |
wp_update_post(array( | |
'ID' => $post_id, | |
'post_title' => $title | |
)); | |
endif; | |
break; | |
endswitch; | |
// Redireccionamos a la home | |
wp_safe_redirect( home_url() ); | |
exit; | |
endif; | |
} |
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