2013-01-14 00:01

Google-api-php Refresh Token返回invalid_grant


I've nearly searched every result of the first page of google for this. But can't seem to find the answer. I'm working with a refresh_token by Google's API and receiving:

Error refreshing the OAuth2 token, message: '{ "error" : "invalid_grant" }

What i'm doing. First: i'm creating and storing a persistant connection to the google api:

$client = new Google_Client();

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

if (isset($_SESSION['token'])) {

if (isset($_REQUEST['logout'])) {

if ($client->getAccessToken()) {

    $jsonarray = json_decode($client->getAccessToken());

    $myFile = "refreshtoken.conf";
    $fh = fopen($myFile, 'w') or die("can't open file");
    fwrite($fh, $client->getAccessToken());



    $service = new Google_DriveService($client);
    $file = new Google_DriveFile();
    $file->setTitle('My document.txt');
    $file->setDescription('A test document');

    $data = file_get_contents('document.txt');

    $createdFile = $service->files->insert($file, array(
          'data' => $data,
          'mimeType' => 'text/plain',


  // The access token may have been updated lazily.
  $_SESSION['token'] = $client->getAccessToken();
} else {
  $auth = $client->createAuthUrl();
  header("Location: $auth");

So basicly everything runs and the token gets stored in a textfile:


When i'm trying to auth using the following code:

$client = new Google_Client();

I'm getting the following error: Error refreshing the OAuth2 token, message: '{ "error" : "invalid_grant" }

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  • douzhao7014 douzhao7014 8年前

    Before Authenticate, there must be something like:

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  • ds3422222222 ds3422222222 7年前

    You'll get an "invalid_grant" error if you try to refresh when the token isn't expired.

    Instead of this:


    Use this:


    Once your token expires you refresh should work.

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  • dqjcb132285 dqjcb132285 8年前

    The invalid_grant means either means that the authorization code has already been used (available in $GET['code']) or the type of application configured in the Google APIs Console is invalid.

    Make sure you select "Web Application" when registering your app in the Google APIs Console.

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  • dsgd4654674 dsgd4654674 5年前

    I ran into something similar and the problem for me was my system clock (inside the Docker VM where I was running the code) was not synchronized with the real time. So you are requesting a token with a created date too far in the past or future, which OAuth is rejecting.

    I was tipped of by the report here.

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  • dongxuanyi3406 dongxuanyi3406 5年前

    The function that worked for me is as follows


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