nsedit/includes/wefactauth.inc.php

<?php

include_once 'config.inc.php';
include_once 'misc.inc.php';

/* This class is written by Wefact. See https://www.wefact.nl/wefact-hosting/apiv2/
*/

class WeFactAPI
{
    private $url;
    private $responseType;
    private $apiKey;

    public function __construct()
    {
        global $wefactapiurl;
        global $wefactapikey;
        $this->url      = $wefactapiurl;
        $this->api_key  = $wefactapikey;
    }

    public function sendRequest($controller, $action, $params)
    {
        if (is_array($params)) {
            $params['api_key']      = $this->api_key;
            $params['controller']   = $controller;
            $params['action']       = $action;
        }

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $this->url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_TIMEOUT, '10');
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($params));
        $curlResp = curl_exec($ch);
        $curlError = curl_error($ch);

        if ($curlError != '') {
            $result = [
                'controller' => 'invalid',
                'action' => 'invalid',
                'status' => 'error',
                'date' => date('c'),
                'errors' => [$curlError]
            ];
        } else {
            $result = json_decode($curlResp, true);
        }

        return $result;
    }
}

function do_wefact_auth($u, $p)
{
    $wefact = new WeFactApi();
    $r = $wefact->sendRequest('debtor', 'show', [
        'DebtorCode' => $u]);

    if (isset($r['status']) && $r['status'] == 'success') {
        $r = $wefact->sendRequest('debtor', 'checklogin', [
            'Username'  => $u,
            'Password'  => $p
        ]);

        if (isset($r['status']) && $r['status'] == 'success') {
            if (get_user_info($u) == false) {
                add_user($u);
            }
            return true;
        }

        return false;
    } else {
        return -1;
    }
}