refresh-token.md

Implementing an Authorization Server with the Refresh Token Grant

1. To enable this grant add the following to the config/oauth2.php configuration file

'grant_types' => [
    'refresh_token' => [
        'class' => '\League\OAuth2\Server\Grant\RefreshTokenGrant',
        'access_token_ttl' => 3600,
        'refresh_token_ttl' => 36000
    ]
]

Note: The refresh token grant is to be used together with one other of the following grants: PasswordGrant, AuthCodeGrant.

2. Set up a route to respond to the incoming access token requests.

Route::post('oauth/access_token', function() {
    return Response::json(Authorizer::issueAccessToken());
});

3. Whenever you request an Access Token using a grant that supports the use of the Refresh Token grant, you'll get a Refresh Token together with the Access Token. Once the Access Token expires, use the Refresh Token to require a new one.

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