Google OAuth: can't get refresh token with authorization code

Question

I am using Google API Client for Google Analytics with OAuth 2.0

I read this to get the refresh token but it doesn\'t appears: https://developers.google.com/identity/pro

Answer 1

You will only get the refresh_token the very first time that a user grants access to your app. You'll need to store the refresh_token somewhere to be able to use it afterwards. You won't get a new refresh token the next time a user logs in to your app.

FWIW: using a refresh token in a Javascript client doesn't make a lot of sense since a Javascript client can't store it in a safe (confidential) way. Since Javascript clients live in browsers and users are present in browsers, you can just redirect the browser to the authorization endpoint again and you'll get a new access token (which is also the purpose of a refresh token). The SSO session for the user at Google will make sure that the user doesn't need to login again and that the experience is seamless.

Answer 2

Check out this response by @curious_coder Google API Refresh Token

He explains a way to get the Refresh Token every time :) Life saver. This post helped me get there so I figured I'd share this for any one else trying to find their refresh token. Add the last two lines of this code to your Auth process

$client = new Google_Client();
$client->setAuthConfigFile(__DIR__ . '/client_secrets.json');
$client->setRedirectUri('http://' . $_SERVER['HTTP_HOST'] . '/dashboard/oauthcallbacks');
$client->addScope(Google_Service_Analytics::ANALYTICS_READONLY);    
$client->setAccessType('offline'); //To fetch refresh token(Refresh token issued only first time)
$client->setApprovalPrompt('force'); //Adding this will force for refresh token

Also I used var_dump($tokens) to get the contents instead of echo. Dont remember if it makes a difference in PHP but $tokens will be an array of objects.