无法在PHP中刷新OAuth2令牌，授权无效

Question

我已经在stackoverflow中阅读了一些关于这个主题的其他帖子，但我仍然没有找到解决方案...:\

<?php

 require_once 'src/Google_Client.php';
 require_once 'src/contrib/Google_CalendarService.php';
 session_start();

 $client = new Google_Client();
 $client->setApplicationName("Calendar App");
 $client->setClientId('xxxx');
 $client->setClientSecret('yyy');
 $client->setRedirectUri('http://www.zzzzzz');  
 $client->setDeveloperKey('kkk');
 $client->setAccessType('offline');
 $cal = new Google_CalendarService($client);    

if (isset($_GET['logout'])) {
  unset($_SESSION['token']);
}

if (isset($_GET['code'])) {
  $client->authenticate($_GET['code']);
  $_SESSION['token'] = $client->getAccessToken();
  header('Location: http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']); 
}

if (isset($_SESSION['token'])) {
    //echo $_SESSION['token'];
  //$client->setAccessToken($_SESSION['token']);
    $authObj = json_decode($_SESSION['token']);
    $accessToken = $authObj->access_token;
    $refreshToken = $authObj->refresh_token;
    $tokenType = $authObj->token_type;
    $expiresIn = $authObj->expires_in;
    echo 'access_token = ' . $accessToken;
    echo '<br />';
    echo 'refresh_token = ' . $refreshToken;
    echo '<br />';
    echo 'token_type = ' . $tokenType;
    echo '<br />';
    echo 'expires_in = ' . $expiresIn;
}

if(!empty($cookie)){
    $client->refreshToken($this->Cookie->read('token'));
}

if ($client->getAccessToken()) {
    $calList = $cal->calendarList->listCalendarList();
    $_SESSION['token'] = $client->getAccessToken();
} else {
  $authUrl = $client->createAuthUrl();
  print "<a class='login' href='$authUrl'>Connect Me!</a>";
}


// Creation of a single event
$event = new Google_Event();
$event->setSummary($event_name);            
$event->setLocation('');                    
....

?>

非常感谢您的支持！

Answer 1

here is the snippet to set token, before that make sure the access type should be set to offline

if (isset($_GET['code'])) {
  $client->authenticate();
  $_SESSION['access_token'] = $client->getAccessToken();
}
To refresh token

$google_token= json_decode($_SESSION['access_token']);
$client->refreshToken($google_token->refresh_token);
this will refresh your token, you have to update it in session for that you can do

 $_SESSION['access_token']= $client->getAccessToken()