/* =====================================================
   SSO DESDE ENLACES DE MOODLE EN EMAILS
===================================================== */


add_filter('allowed_redirect_hosts', function($hosts) {
    $hosts[] = 'campus.enlacebioquimico.com.ar';
    return array_unique($hosts);
});

add_action('template_redirect', 'wpmb_redirect_logged_user_to_moodle_wantsurl');

function wpmb_redirect_logged_user_to_moodle_wantsurl() {
    if (empty($_GET['wpmb_moodle_redirect']) || !is_user_logged_in()) {
        return;
    }

    $moodle_url = get_option('wpmb_moodle_url');
    $secret = get_option('wpmb_sso_secret');
    if (!$moodle_url || !$secret) {
        return;
    }

    $redirect = rawurldecode(wp_unslash($_GET['wpmb_moodle_redirect']));
    if ($redirect === '' || $redirect[0] !== '/' || strpos($redirect, '//') === 0 || preg_match('#^[a-z][a-z0-9+.-]*:#i', $redirect)) {
        $redirect = '/my/';
    }

    $user = wp_get_current_user();
    $email = $user->user_email;
    if (!$email) {
        return;
    }

    $campo_wp = get_option('wpmb_campo_dni_wp', 'billing_dni');
    $dni = get_user_meta($user->ID, $campo_wp, true);
    if (!$dni && $campo_wp !== 'billing_dni') {
        $dni = get_user_meta($user->ID, 'billing_dni', true);
    }

    $timestamp = time();
    $hash = hash_hmac('sha256', $email . $dni . $timestamp . $redirect, $secret);

    $login_url = add_query_arg([
        'email' => $email,
        'dni' => $dni,
        'redirect' => $redirect,
        't' => $timestamp,
        'h' => $hash,
    ], rtrim($moodle_url, '/') . '/local/wpbridge/login.php');

    wp_safe_redirect($login_url);
    exit;
}
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://enlacebioquimico.com.ar/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://enlacebioquimico.com.ar/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://enlacebioquimico.com.ar/wp-sitemap-posts-product-1.xml</loc></sitemap><sitemap><loc>https://enlacebioquimico.com.ar/wp-sitemap-posts-gm_menu_block-1.xml</loc></sitemap><sitemap><loc>https://enlacebioquimico.com.ar/wp-sitemap-taxonomies-product_cat-1.xml</loc></sitemap><sitemap><loc>https://enlacebioquimico.com.ar/wp-sitemap-taxonomies-product_tag-1.xml</loc></sitemap><sitemap><loc>https://enlacebioquimico.com.ar/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>