class OAuth implements OAuthTokenProvider
{
/**
* An instance of the League OAuth Client Provider.
*
* @var AbstractProvider
*/
protected $provider;
/**
* The current OAuth access token.
*
* @var AccessToken
*/
protected $oauthToken;
/**
* The user's email address, usually used as the login ID
* and also the from address when sending email.
*
* @var string
*/
protected $oauthUserEmail = '';
/**
* The client secret, generated in the app definition of the service you're connecting to.
*
* @var string
*/
protected $oauthClientSecret = '';
/**
* The client ID, generated in the app definition of the service you're connecting to.
*
* @var string
*/
protected $oauthClientId = '';
/**
* The refresh token, used to obtain new AccessTokens.
*
* @var string
*/
protected $oauthRefreshToken = '';
/**
* OAuth constructor.
*
* @param array $options Associative array containing
* `provider`, `userName`, `clientSecret`, `clientId` and `refreshToken` elements
*/
public function __construct($options)
{
$this->provider = $options['provider'];
$this->oauthUserEmail = $options['userName'];
$this->oauthClientSecret = $options['clientSecret'];
$this->oauthClientId = $options['clientId'];
$this->oauthRefreshToken = $options['refreshToken'];
}
/**
* Get a new RefreshToken.
*
* @return RefreshToken
*/
protected function getGrant()
{
return new RefreshToken();
}
/**
* Get a new AccessToken.
*
* @return AccessToken
*/
protected function getToken()
{
return $this->provider->getAccessToken(
$this->getGrant(),
['refresh_token' => $this->oauthRefreshToken]
);
}
/**
* Generate a base64-encoded OAuth token.
*
* @return string
*/
public function getOauth64()
{
//Get a new token if it's not available or has expired
if (null === $this->oauthToken || $this->oauthToken->hasExpired()) {
$this->oauthToken = $this->getToken();
}
return base64_encode(
'user=' .
$this->oauthUserEmail .
"\001auth=Bearer " .
$this->oauthToken .
"\001\001"
);
}
}
