MicrosoftGraph.php

<?php

namespace App\Integrations;

use Microsoft\Graph\Exception\GraphException;
use Microsoft\Graph\Graph;
use Microsoft\Graph\Model;

trait MicrosoftGraph
{

    public static function connect(): Graph
    {
        $guzzle = new \GuzzleHttp\Client();
        $url = 'https://login.microsoftonline.com/' . env('MS_TENANT_ID') . '/oauth2/token?api-version=' . env('MS_GRAPH_API_VERSION');

        $response  = json_decode($guzzle->post($url, [
            'form_params' => [
                'client_id' => env('MS_CLIENT_ID'),
                'client_secret' => env('MS_CLIENT_SECRET'),
                'resource' => 'https://graph.microsoft.com/',
                'grant_type' => 'client_credentials',
            ],
        ])->getBody()->getContents());

        $graph = new Graph();

        return $graph->setBaseUrl("https://graph.microsoft.com")
            ->setApiVersion(env('MS_GRAPH_API_VERSION'))
            ->setAccessToken($response->access_token);
    }

    /**
     * Get all the users in the tenant
     *
     * @return mixed
     * @throws GraphException
     */
    public static function users()
    {

        $graph = self::connect();

        $query = '/users';

        return $graph->createRequest("get", $query)
            ->addHeaders(array("Content-Type" => "application/json"))
            ->setReturnType(Model\User::class)
            ->setTimeout("1000")
            ->execute();
    }

}