/**
* {@inheritdoc}
*/
function refreshToken()
{
// have an access token?
if ($this->api->access_token) {
// have to refresh?
if ($this->api->refresh_token && $this->api->access_token_expires_at) {
// expired?
if ($this->api->access_token_expires_at <= time()) {
$response = $this->api->refreshToken(array("refresh_token" => $this->api->refresh_token));
if (!isset($response->access_token) || !$response->access_token) {
// set the user as disconnected at this point and throw an exception
$this->setUserUnconnected();
throw new Exception("The Authorization Service has return an invalid response while requesting a new access token. " . (string) $response->error);
}
// set new access_token
$this->api->access_token = $response->access_token;
if (isset($response->refresh_token)) {
$this->api->refresh_token = $response->refresh_token;
}
if (isset($response->expires_in)) {
$this->api->access_token_expires_in = $response->expires_in;
// even given by some idp, we should calculate this
$this->api->access_token_expires_at = time() + $response->expires_in;
}
}
}
// re store tokens
$this->token("access_token", $this->api->access_token);
$this->token("refresh_token", $this->api->refresh_token);
$this->token("expires_in", $this->api->access_token_expires_in);
$this->token("expires_at", $this->api->access_token_expires_at);
}
}
