Configuration.php in Commerce Braintree 7

File

braintree_php/lib/Braintree/Configuration.php

<?php

/**
 *
 * Configuration registry
 *
 * @package    Braintree
 * @subpackage Utility
 * @copyright  2010 Braintree Payment Solutions
 */

/**
 * acts as a registry for config data.
 *
 *
 * @package    Braintree
 * @subpackage Utility
 *
 *  */
class Braintree_Configuration extends Braintree {

  /**
   * Braintree API version to use
   * @access public
   */
  const API_VERSION = 2;

  /**
   * @var array array of config properties
   * @access protected
   * @static
   */
  private static $_cache = array(
    'environment' => '',
    'merchantId' => '',
    'publicKey' => '',
    'privateKey' => '',
  );

  /**
   *
   * @access protected
   * @static
   * @var array valid environments, used for validation
   */
  private static $_validEnvironments = array(
    'development',
    'sandbox',
    'production',
    'qa',
  );

  /**
   * resets configuration to default
   * @access public
   * @static
   */
  public static function reset() {
    self::$_cache = array(
      'environment' => '',
      'merchantId' => '',
      'publicKey' => '',
      'privateKey' => '',
    );
  }

  /**
   * performs sanity checks when config settings are being set
   *
   * @ignore
   * @access protected
   * @param string $key name of config setting
   * @param string $value value to set
   * @throws InvalidArgumentException
   * @throws Braintree_Exception_Configuration
   * @static
   * @return boolean
   */
  private static function validate($key = null, $value = null) {
    if (empty($key) && empty($value)) {
      throw new InvalidArgumentException('nothing to validate');
    }
    if ($key === 'environment' && !in_array($value, self::$_validEnvironments)) {
      throw new Braintree_Exception_Configuration('"' . $value . '" is not a valid environment.');
    }
    if (!isset(self::$_cache[$key])) {
      throw new Braintree_Exception_Configuration($key . ' is not a valid configuration setting.');
    }
    if (empty($value)) {
      throw new InvalidArgumentException($key . ' cannot be empty.');
    }
    return true;
  }
  private static function set($key, $value) {

    // this method will raise an exception on invalid data
    self::validate($key, $value);

    // set the value in the cache
    self::$_cache[$key] = $value;
  }
  private static function get($key) {

    // throw an exception if the value hasn't been set
    if (isset(self::$_cache[$key]) && empty(self::$_cache[$key])) {
      throw new Braintree_Exception_Configuration($key . ' needs to be set');
    }
    if (array_key_exists($key, self::$_cache)) {
      return self::$_cache[$key];
    }

    // return null by default to prevent __set from overloading
    return null;
  }
  private static function setOrGet($name, $value = null) {
    if (!empty($value) && is_array($value)) {
      $value = $value[0];
    }
    if (!empty($value)) {
      self::set($name, $value);
    }
    else {
      return self::get($name);
    }
    return true;
  }

  /**#@+
   * sets or returns the property after validation
   * @access public
   * @static
   * @param string $value pass a string to set, empty to get
   * @return mixed returns true on set
   */
  public static function environment($value = null) {
    return self::setOrGet(__FUNCTION__, $value);
  }
  public static function merchantId($value = null) {
    return self::setOrGet(__FUNCTION__, $value);
  }
  public static function publicKey($value = null) {
    return self::setOrGet(__FUNCTION__, $value);
  }
  public static function privateKey($value = null) {
    return self::setOrGet(__FUNCTION__, $value);
  }

  /**#@-*/

  /**
   * returns the full merchant URL based on config values
   *
   * @access public
   * @static
   * @param none
   * @return string merchant URL
   */
  public static function merchantUrl() {
    return self::baseUrl() . self::merchantPath();
  }

  /**
   * returns the base braintree gateway URL based on config values
   *
   * @access public
   * @static
   * @param none
   * @return string braintree gateway URL
   */
  public static function baseUrl() {
    return self::protocol() . '://' . self::serverName() . ':' . self::portNumber();
  }

  /**
   * sets the merchant path based on merchant ID
   *
   * @access protected
   * @static
   * @param none
   * @return string merchant path uri
   */
  public static function merchantPath() {
    return '/merchants/' . self::merchantId();
  }

  /**
   * sets the physical path for the location of the CA certs
   *
   * @access public
   * @static
   * @param none
   * @return string filepath
   */
  public static function caFile($sslPath = NULL) {
    $sslPath = $sslPath ? $sslPath : DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'ssl' . DIRECTORY_SEPARATOR;
    switch (self::environment()) {
      case 'production':
        $caPath = realpath(dirname(__FILE__) . $sslPath . 'www_braintreegateway_com.ca.crt');
        break;
      case 'qa':
      case 'sandbox':
      default:
        $caPath = realpath(dirname(__FILE__) . $sslPath . 'sandbox_braintreegateway_com.ca.crt');
        break;
    }
    if (!file_exists($caPath)) {
      throw new Braintree_Exception_SSLCaFileNotFound();
    }
    return $caPath;
  }

  /**
   * returns the port number depending on environment
   *
   * @access public
   * @static
   * @param none
   * @return int portnumber
   */
  public static function portNumber() {
    if (self::sslOn()) {
      return 443;
    }
    return getenv("GATEWAY_PORT") ? getenv("GATEWAY_PORT") : 3000;
  }

  /**
   * returns http protocol depending on environment
   *
   * @access public
   * @static
   * @param none
   * @return string http || https
   */
  public static function protocol() {
    return self::sslOn() ? 'https' : 'http';
  }

  /**
   * returns gateway server name depending on environment
   *
   * @access public
   * @static
   * @param none
   * @return string server domain name
   */
  public static function serverName() {
    switch (self::environment()) {
      case 'production':
        $serverName = 'www.braintreegateway.com';
        break;
      case 'qa':
        $serverName = 'qa.braintreegateway.com';
        break;
      case 'sandbox':
        $serverName = 'sandbox.braintreegateway.com';
        break;
      case 'development':
      default:
        $serverName = 'localhost';
        break;
    }
    return $serverName;
  }

  /**
   * returns boolean indicating SSL is on or off for this session,
   * depending on environment
   *
   * @access public
   * @static
   * @param none
   * @return boolean
   */
  public static function sslOn() {
    switch (self::environment()) {
      case 'development':
        $ssl = false;
        break;
      case 'production':
      case 'qa':
      case 'sandbox':
      default:
        $ssl = true;
        break;
    }
    return $ssl;
  }

  /**
   * log message to default logger
   *
   * @param string $message
   *
   */
  public static function logMessage($message) {
    error_log('[Braintree] ' . $message);
  }

}

Classes

Name	Description
Braintree_Configuration	acts as a registry for config data.