public function refresh_access_token($email = '')
{
if ($email == '') {
return '';
}
$query = $this->db->query("SELECT refresh_token FROM " . TABLE_GOOGLE . " WHERE email=?", array($email));
if (!isset($query->row['refresh_token'])) {
return '';
}
$client = new apiClient();
$client->setApplicationName(GOOGLE_APPLICATION_NAME);
$client->setClientId(GOOGLE_CLIENT_ID);
$client->setClientSecret(GOOGLE_CLIENT_SECRET);
$client->setRedirectUri(GOOGLE_REDIRECT_URL);
$client->setDeveloperKey(GOOGLE_DEVELOPER_KEY);
$client->refreshToken($query->row['refresh_token']);
$s = $client->getAccessToken();
$a = json_decode($s);
if (isset($a->{'access_token'})) {
return $a->{'access_token'};
}
return '';
}
if (isset($_GET['code'])) {
$client->authenticate();
$_SESSION['access_token'] = $client->getAccessToken();
header('Location: http://' . $_SERVER['HTTP_HOST'] . $_SERVER['PHP_SELF']);
}
if (isset($_SESSION['access_token'])) {
$client->setAccessToken($_SESSION['access_token']);
//json decode the session token and save it in a variable as object
$sessionToken = json_decode($_SESSION['access_token']);
//Save the refresh token (object->refresh_token) into a cookie called 'token' and make last for 1 month
if (isset($sessionToken->refresh_token)) {
//refresh token is only set after a proper authorisation
$number_of_days = 30;
$date_of_expiry = time() + 60 * 60 * 24 * $number_of_days;
setcookie('token', $sessionToken->refresh_token, $date_of_expiry);
}
} else {
if (isset($_COOKIE["token"])) {
//if we don't have a session we will grab it from the cookie
$client->refreshToken($_COOKIE["token"]);
//update token
}
}
if ($client->getAccessToken()) {
$me = $plus->people->get('me');
$optParams = array('maxResults' => 100);
$activities = $plus->activities->listActivities('me', 'public', $optParams);
$_SESSION['access_token'] = $client->getAccessToken();
} else {
$authUrl = $client->createAuthUrl();
}
