microsoft_oauthcallback.php

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<?php
/* Copyright (C) 2022       Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2015-2024  Frédéric France      <frederic.france@free.fr>
 * Copyright (C) 2024   MDW             <mdeweerd@users.noreply.github.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
 
// Load Dolibarr environment
require '../../../main.inc.php';
require_once DOL_DOCUMENT_ROOT.'/includes/OAuth/bootstrap.php';
use OAuth\Common\Storage\DoliStorage;
use OAuth\Common\Consumer\Credentials;
 
// Define $urlwithroot
$urlwithouturlroot = preg_replace('/'.preg_quote(DOL_URL_ROOT, '/').'$/i', '', trim($dolibarr_main_url_root));
$urlwithroot = $urlwithouturlroot.DOL_URL_ROOT; // This is to use external domain name found into config file
//$urlwithroot=DOL_MAIN_URL_ROOT;         // This is to use same domain name than current
 
 
$action = GETPOST('action', 'aZ09');
$backtourl = GETPOST('backtourl', 'alpha');
$keyforprovider = GETPOST('keyforprovider', 'aZ09');
if (empty($keyforprovider) && !empty($_SESSION["oauthkeyforproviderbeforeoauthjump"]) && (GETPOST('code') || $action == 'delete')) {
  $keyforprovider = $_SESSION["oauthkeyforproviderbeforeoauthjump"];
}
$genericstring = 'MICROSOFT';
 
$uriFactory = new \OAuth\Common\Http\Uri\UriFactory();
//$currentUri = $uriFactory->createFromSuperGlobalArray($_SERVER);
//$currentUri->setQuery('');
$currentUri = $uriFactory->createFromAbsolute($urlwithroot.'/core/modules/oauth/microsoft_oauthcallback.php');
 
 
$serviceFactory = new \OAuth\ServiceFactory();
$httpClient = new \OAuth\Common\Http\Client\CurlClient();
// TODO Set options for proxy and timeout
// $params=array('CURLXXX'=>value, ...)
//$httpClient->setCurlParameters($params);
$serviceFactory->setHttpClient($httpClient);
 
// Setup the credentials for the requests
$keyforparamid = 'OAUTH_'.$genericstring.($keyforprovider ? '-'.$keyforprovider : '').'_ID';
$keyforparamsecret = 'OAUTH_'.$genericstring.($keyforprovider ? '-'.$keyforprovider : '').'_SECRET';
$keyforparamtenant = 'OAUTH_'.$genericstring.($keyforprovider ? '-'.$keyforprovider : '').'_TENANT';
 
// Dolibarr storage
$storage = new DoliStorage($db, $conf, $keyforprovider, getDolGlobalString($keyforparamtenant));
 
$credentials = new Credentials(
  getDolGlobalString($keyforparamid),
  getDolGlobalString($keyforparamsecret),
  $currentUri->getAbsoluteUri()
);
 
$state = GETPOST('state');
 
$requestedpermissionsarray = array();
if ($state) {
  $requestedpermissionsarray = explode(',', $state); // Example: 'user'. 'state' parameter is standard to retrieve some parameters back
}
if ($action != 'delete' && empty($requestedpermissionsarray)) {
  print 'Error, parameter state is not defined';
  exit;
}
//var_dump($requestedpermissionsarray);exit;
 
// Instantiate the Api service using the credentials, http client and storage mechanism for the token
// ucfirst(strtolower($genericstring)) must be the name of a class into OAuth/OAuth2/Services/Xxxx
// $requestedpermissionsarray contains list of scopes.
// Conversion into URL is done by Reflection on constant with name SCOPE_scope_in_uppercase
try {
  $nameofservice = ucfirst(strtolower($genericstring));
  $apiService = $serviceFactory->createService($nameofservice, $credentials, $storage, $requestedpermissionsarray);
  '@phan-var-force  OAuth\OAuth2\Service\AbstractService|OAuth\OAuth1\Service\AbstractService $apiService'; // createService is only ServiceInterface
} catch (Exception $e) {
  print $e->getMessage();
  exit;
}
/*
var_dump($genericstring.($keyforprovider ? '-'.$keyforprovider : ''));
var_dump($credentials);
var_dump($storage);
var_dump($requestedpermissionsarray);
*/
 
if (empty($apiService)) {
  print 'Error, failed to create serviceFactory';
  exit;
}
 
// access type needed to have oauth provider refreshing token
//$apiService->setAccessType('offline');
 
$langs->load("oauth");
 
if (!getDolGlobalString($keyforparamid)) {
  accessforbidden('Setup of service is not complete. Customer ID is missing');
}
if (!getDolGlobalString($keyforparamsecret)) {
  accessforbidden('Setup of service is not complete. Secret key is missing');
}
if (!getDolGlobalString($keyforparamtenant)) {
  accessforbidden('Setup of service is not complete. Tenant/Annuary ID key is missing');
}
 
 
/*
 * Actions
 */
 
if ($action == 'delete' && (!empty($user->admin) || $user->id == GETPOSTINT('userid'))) {
  $storage->userid = GETPOSTINT('userid');
  $storage->clearToken($genericstring);
 
  setEventMessages($langs->trans('TokenDeleted'), null, 'mesgs');
 
  if (empty($backtourl)) {
    $backtourl = DOL_URL_ROOT.'/';
  }
 
  header('Location: '.$backtourl);
  exit();
}
 
//dol_syslog("GET=".join(',', $_GET));
 
 
if (GETPOST('code') || GETPOST('error')) {     // We are coming from oauth provider page
  // We should have
  //$_GET=array('code' => string 'aaaaaaaaaaaaaa' (length=20), 'state' => string 'user,public_repo' (length=16))
 
  dol_syslog(basename(__FILE__)." We are coming from the oauth provider page code=".dol_trunc(GETPOST('code'), 5)." error=".GETPOST('error'));
 
  // This was a callback request from service, get the token
  try {
    //var_dump($state);
    //var_dump($apiService);      // OAuth\OAuth2\Service\Microsoft
 
    if (GETPOST('error')) {
      setEventMessages(GETPOST('error').' '.GETPOST('error_description'), null, 'errors');
    } else {
      //print GETPOST('code');exit;
 
      //$token = $apiService->requestAccessToken(GETPOST('code'), $state);
      $token = $apiService->requestAccessToken(GETPOST('code'));
      // Microsoft is a service that does not need state to be stored as second parameter of requestAccessToken
 
      //print $token->getAccessToken().'<br><br>';
      //print $token->getExtraParams()['id_token'].'<br><br>';
      //print $token->getRefreshToken().'<br>';exit;
 
      setEventMessages($langs->trans('NewTokenStored'), null, 'mesgs'); // Stored into object managed by class DoliStorage so into table oauth_token
    }
 
    $backtourl = $_SESSION["backtourlsavedbeforeoauthjump"];
    unset($_SESSION["backtourlsavedbeforeoauthjump"]);
 
    header('Location: '.$backtourl);
    exit();
  } catch (Exception $e) {
    print $e->getMessage();
  }
} else {
  // If we enter this page without 'code' parameter, we arrive here. This is the case when we want to get the redirect
  // to the OAuth provider login page.
  $_SESSION["backtourlsavedbeforeoauthjump"] = $backtourl;
  $_SESSION["oauthkeyforproviderbeforeoauthjump"] = $keyforprovider;
  $_SESSION['oauthstateanticsrf'] = $state;
 
  //if (!preg_match('/^forlogin/', $state)) {
  //  $apiService->setApprouvalPrompt('auto');
  //}
 
  // This may create record into oauth_state before the header redirect.
  // Creation of record with state in this tables depend on the Provider used (see its constructor).
  if ($state) {
    $url = $apiService->getAuthorizationUri(array('state' => $state));
  } else {
    $url = $apiService->getAuthorizationUri(); // Parameter state will be randomly generated
  }
 
  // Show url to get authorization
  //var_dump((string) $url);exit;
  dol_syslog("Redirect to url=".$url);
 
  // we go on oauth provider authorization page
  header('Location: '.$url);
  exit();
}
 
 
/*
 * View
 */
 
// No view at all, just actions
 
$db->close();