/**
* Include an accessToken in a given apiHttpRequest.
* @param Google_Http_Request $request
* @return Google_Http_Request
* @throws Google_Auth_Exception
*/
public function sign(App_Google_Http_Request $request)
{
// add the developer key to the request before signing it
if ($this->client->getClassConfig($this, 'developer_key')) {
$request->setQueryParam('key', $this->client->getClassConfig($this, 'developer_key'));
}
// Cannot sign the request without an OAuth access token.
if (null == $this->token && null == $this->assertionCredentials) {
return $request;
}
// Check if the token is set to expire in the next 30 seconds
// (or has already expired).
if ($this->isAccessTokenExpired()) {
if ($this->assertionCredentials) {
$this->refreshTokenWithAssertion();
} else {
$this->client->getLogger()->debug('OAuth2 access token expired');
if (!array_key_exists('refresh_token', $this->token)) {
$error = "The OAuth 2.0 access token has expired," . " and a refresh token is not available. Refresh tokens" . " are not returned for responses that were auto-approved.";
$this->client->getLogger()->error($error);
throw new App_Google_Auth_Exception($error);
}
$this->refreshToken($this->token['refresh_token']);
}
}
$this->client->getLogger()->debug('OAuth2 authentication');
// Add the OAuth2 header to the request
$request->setRequestHeaders(array('Authorization' => 'Bearer ' . $this->token['access_token']));
return $request;
}
