OAuth

36class OAuth implements OAuthTokenProvider37{38    /**39     * An instance of the League OAuth Client Provider.40     *41     * @var AbstractProvider42     */43    protected $provider;44 45    /**46     * The current OAuth access token.47     *48     * @var AccessToken49     */50    protected $oauthToken;51 52    /**53     * The user's email address, usually used as the login ID54     * and also the from address when sending email.55     *56     * @var string57     */58    protected $oauthUserEmail = '';59 60    /**61     * The client secret, generated in the app definition of the service you're connecting to.62     *63     * @var string64     */65    protected $oauthClientSecret = '';66 67    /**68     * The client ID, generated in the app definition of the service you're connecting to.69     *70     * @var string71     */72    protected $oauthClientId = '';73 74    /**75     * The refresh token, used to obtain new AccessTokens.76     *77     * @var string78     */79    protected $oauthRefreshToken = '';80 81    /**82     * OAuth constructor.83     *84     * @param array $options Associative array containing85     *                       `provider`, `userName`, `clientSecret`, `clientId` and `refreshToken` elements86     */87    public function __construct($options)88    {89        $this->provider = $options['provider'];90        $this->oauthUserEmail = $options['userName'];91        $this->oauthClientSecret = $options['clientSecret'];92        $this->oauthClientId = $options['clientId'];93        $this->oauthRefreshToken = $options['refreshToken'];94    }95 96    /**97     * Get a new RefreshToken.98     *99     * @return RefreshToken100     */101    protected function getGrant()102    {103        return new RefreshToken();104    }105 106    /**107     * Get a new AccessToken.108     *109     * @return AccessToken110     */111    protected function getToken()112    {113        return $this->provider->getAccessToken(114            $this->getGrant(),115            ['refresh_token' => $this->oauthRefreshToken]