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   1  <?php
   2  /**
   3   * WordPress Generic Request (POST/GET) Handler
   4   *
   5   * Intended for form submission handling in themes and plugins.
   6   *
   7   * @package WordPress
   8   * @subpackage Administration
   9   */
  10  
  11  /** We are located in WordPress Administration Screens */
  12  if ( ! defined( 'WP_ADMIN' ) ) {
  13      define( 'WP_ADMIN', true );
  14  }
  15  
  16  /** Load WordPress Bootstrap */
  17  require_once dirname( __DIR__ ) . '/wp-load.php';
  18  
  19  /** Allow for cross-domain requests (from the front end). */
  20  send_origin_headers();
  21  
  22  require_once  ABSPATH . 'wp-admin/includes/admin.php';
  23  
  24  nocache_headers();
  25  
  26  /** This action is documented in wp-admin/admin.php */
  27  do_action( 'admin_init' );
  28  
  29  $action = ! empty( $_REQUEST['action'] ) ? sanitize_text_field( $_REQUEST['action'] ) : '';
  30  
  31  // Reject invalid parameters.
  32  if ( ! is_scalar( $action ) ) {
  33      wp_die( '', 400 );
  34  }
  35  
  36  if ( ! is_user_logged_in() ) {
  37      if ( empty( $action ) ) {
  38          /**
  39           * Fires on a non-authenticated admin post request where no action is supplied.
  40           *
  41           * @since 2.6.0
  42           */
  43          do_action( 'admin_post_nopriv' );
  44      } else {
  45          // If no action is registered, return a Bad Request response.
  46          if ( ! has_action( "admin_post_nopriv_{$action}" ) ) {
  47              wp_die( '', 400 );
  48          }
  49  
  50          /**
  51           * Fires on a non-authenticated admin post request for the given action.
  52           *
  53           * The dynamic portion of the hook name, `$action`, refers to the given
  54           * request action.
  55           *
  56           * @since 2.6.0
  57           */
  58          do_action( "admin_post_nopriv_{$action}" );
  59      }
  60  } else {
  61      if ( empty( $action ) ) {
  62          /**
  63           * Fires on an authenticated admin post request where no action is supplied.
  64           *
  65           * @since 2.6.0
  66           */
  67          do_action( 'admin_post' );
  68      } else {
  69          // If no action is registered, return a Bad Request response.
  70          if ( ! has_action( "admin_post_{$action}" ) ) {
  71              wp_die( '', 400 );
  72          }
  73  
  74          /**
  75           * Fires on an authenticated admin post request for the given action.
  76           *
  77           * The dynamic portion of the hook name, `$action`, refers to the given
  78           * request action.
  79           *
  80           * @since 2.6.0
  81           */
  82          do_action( "admin_post_{$action}" );
  83      }
  84  }