silverstripe / silverstripe-realme

     * @param string $env The environment to return the proxy_host for. Must be one of the RealMe environment names

     * @return string|null Returns the SOAPClient `proxy_host` param, or null if there isn't one

     */

    public function getProxyHostForEnvironment($env)

    {

        $host = $this->getConfigurationVarByEnv('backchannel_proxy_hosts', $env);

        // Allow usage of an environment variable to define this

        if (substr($host, 0, 4) === 'env:') {

            $host = getenv(substr($host, 4));

            if ($host === false) {

                // getenv() didn't return a valid environment var, it's either mis-spelled or doesn't exist

                $host = null;

            } else {

                $host = parse_url($host, PHP_URL_HOST);

                // This may happen on seriously malformed URLs, in which case we should return null

                if ($host === false) {

                    $host = null;

                }

            }

        }

        return $host;

    }

    /**

     * Gets the proxy port (if required) for back-channel SOAP requests. The proxy port can begin with the string 'env:'

     * @param string $env The environment to return the proxy_port for. Must be one of the RealMe environment names

     * @return string|null Returns the SOAPClient `proxy_port` param, or null if there isn't one

     */

    public function getProxyPortForEnvironment($env)

    {

        $port = $this->getConfigurationVarByEnv('backchannel_proxy_ports', $env);

        // Allow usage of an environment variable to define this

        if (substr($port, 0, 4) === 'env:') {

            $port = getenv(substr($port, 4));

            if($port === false) {

                // getenv() didn't return a valid environment var, it's either mis-spelled or doesn't exist

                $port = null;

            } else {

                $port = parse_url($port, PHP_URL_PORT);

                // This may happen on seriously malformed URLs, in which case we should return null

                if ($port === false) {

                    $port = null;

                }

            }

        }

        return $port;

    }

    /**

     * @param string $cfgName The static configuration value to get. This should be an array