/**
* GetOauth64
*
* encode the user email related to this request along with the token in base64
* this is used for authentication, in the phpmailer smtp class
*
* @return string
*/
public function getOauth64()
{
$client = GmailXOAuth2::getClient();
$options = gmail_smtp_get_option();
if (!empty($options['oauth_access_token'])) {
$accessToken = $options['oauth_access_token'];
} else {
return false;
}
$client->setAccessToken($accessToken);
// Refresh the token if it's expired.
if ($client->isAccessTokenExpired()) {
$client->refreshToken($client->getRefreshToken());
$accessToken = $client->getAccessToken();
$options['oauth_access_token'] = $accessToken;
gmail_smtp_update_option($options);
}
$offlineToken = GmailXOAuth2::request_offline_token();
return base64_encode("user="******"auth=Bearer " . $offlineToken . "");
}
function can_grant_permission()
{
$options = gmail_smtp_get_option();
$grant_permission = true;
if (!isset($options['oauth_client_id']) || empty($options['oauth_client_id'])) {
$grant_permission = false;
}
if (!isset($options['oauth_client_secret']) || empty($options['oauth_client_secret'])) {
$grant_permission = false;
}
if (isset($options['oauth_access_token']) && !empty($options['oauth_access_token'])) {
$grant_permission = false;
}
return $grant_permission;
}
