api/services/nginx/app/classes/entra.php

<?php

namespace classes;

require_once WD . '/modules/entra/entra_c.php';

use entra\entra_c;
use Microsoft\Graph\GraphServiceClient;
use Microsoft\Kiota\Authentication\Oauth\ClientCredentialContext;

class entra
{
    /**
     * Configuration of the Entra module
     * @var entra_c
     */
    public entra_c $config;

    public function __construct()
    {
        $this->config = new entra_c();
    }

    public function getGraphClient(): GraphServiceClient
    {
        return new GraphServiceClient(
            $this->getTokenRequestContext(),
        );
    }

    public function getTokenRequestContext(): ClientCredentialContext
    {
        return new ClientCredentialContext(
            $this->config->tenant_id->getVariableValue(),
            $this->config->client_id->getVariableValue(),
            $this->config->client_secret->getVariableValue()
        );
    }
}