authorize.php

<!-- Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See full license at the bottom of this file. -->
<?php
  session_start();
  require_once('oauth.php');
  require_once('outlook.php');
  $auth_code = $_GET['code'];
  $redirectUri = 'http://localhost/php-tutorial/authorize.php';
  
  $tokens = oAuthService::getTokenFromAuthCode($auth_code, $redirectUri);
  
  if ($tokens['access_token']) {
    $_SESSION['access_token'] = $tokens['access_token'];
    $_SESSION['refresh_token'] = $tokens['refresh_token'];

    // expires_in is in seconds
    // Get current timestamp (seconds since Unix Epoch) and
    // add expires_in to get expiration time
    // Subtract 5 minutes to allow for clock differences
    $expiration = time() + $tokens['expires_in'] - 300;
    $_SESSION['token_expires'] = $expiration;
    
    // Get the user's email
    $user = OutlookService::getUser($tokens['access_token']);
    $_SESSION['user_email'] = $user['EmailAddress'];
    
    // Redirect back to home page
    header("Location: http://localhost/php-tutorial/home.php");
  }
  else
  {
    echo "<p>ERROR: ".$tokens['error']."</p>";
  }
?>

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