Scalr\Service\Azure::getAccessToken PHP Method

    public function getAccessToken()
    {
        if (!$this->accessToken) {
            $this->accessToken = $this->loadToken(self::TOKEN_TYPE_ACCESS);
        }
        if (!$this->accessToken || $this->accessToken->expireDate <= time()) {
            $grantType = 'refresh_token';
            $resource = self::URL_CORE_WINDOWS . '/';
            $token = $this->getRefreshToken();
            $this->accessToken = $this->getToken($grantType, $resource, $token->token);
            $this->environment->keychain(\SERVER_PLATFORMS::AZURE)->properties->saveSettings([CloudCredentialsProperty::AZURE_ACCESS_TOKEN => $this->accessToken->token, CloudCredentialsProperty::AZURE_ACCESS_TOKEN_EXPIRE => $this->accessToken->expireDate]);
        }
        return $this->accessToken;
    }