/**
* Refreshes an OAuth2 access token.
*
* @param TokenInterface $token
*
* @return TokenInterface $token
*
* @throws MissingRefreshTokenException
*/
public function refreshAccessToken(TokenInterface $token)
{
$refreshToken = $token->getRefreshToken();
if (empty($refreshToken)) {
throw new MissingRefreshTokenException();
}
$parameters = array('grant_type' => 'refresh_token', 'type' => 'web_server', 'client_id' => $this->credentials->getConsumerId(), 'client_secret' => $this->credentials->getConsumerSecret(), 'refresh_token' => $refreshToken);
$responseBody = $this->httpClient->retrieveResponse($this->getAccessTokenEndpoint(), $parameters, $this->getExtraOAuthHeaders());
$token = $this->parseAccessTokenResponse($responseBody);
$this->storage->storeAccessToken($this->service(), $token);
return $token;
}
/**
* @param TokenInterface $token
* @return bool
*/
protected function checkTokenLifetime($token)
{
// assume that we have at least a minute to execute a queries.
return $token->getEndOfLife() - 60 > time() || $token->getEndOfLife() === TokenInterface::EOL_NEVER_EXPIRES;
}
public function json_encode_token(TokenInterface $token)
{
$members = array('accessToken' => $token->getAccessToken(), 'endOfLife' => $token->getEndOfLife(), 'extraParams' => $token->getExtraParams(), 'refreshToken' => $token->getRefreshToken(), 'token_class' => get_class($token));
// Handle additional data needed for OAuth1 tokens
if ($token instanceof StdOAuth1Token) {
$members['requestToken'] = $token->getRequestToken();
$members['requestTokenSecret'] = $token->getRequestTokenSecret();
$members['accessTokenSecret'] = $token->getAccessTokenSecret();
}
return json_encode($members);
}
/**
* Request access token from Facebook and return a LoginRequest object for logging into our app
*
* @param Oauth2Service\Facebook $facebook
* @param TokenInterface $token
* @return LoginRequest
*/
protected function facebook(Oauth2Service\Facebook $facebook, TokenInterface $token)
{
$user = json_decode($facebook->request('/me'), true);
$loginRequest = new LoginRequest('facebook', $user['id'], $token->getAccessToken(), $token->getEndOfLife() > 0 ? $token->getEndOfLife() : 0, $token->getRefreshToken(), [$user['email']]);
return $loginRequest;
}