<?php

/**
 * @file
 * SimpleSamlPhp Acquia Configuration.
 *
 * This file was last modified on in July 2018.
 *
 * All custom changes below. Modify as needed.
 */

/**
 * Defines Acquia account specific options in $config keys.
 *
 *   - 'store.sql.name': Defines the Acquia Cloud database name which
 *     will store SAML session information.
 *   - 'store.type: Define the session storage service to use in each
 *     Acquia environment ("defualts to sql").
 */

// Set some security and other configs that are set above, however we
// overwrite them here to keep all changes in one area.
$config['technicalcontact_name'] = "Your Name";
$config['technicalcontact_email'] = "your_email@yourdomain.com";

// Change these for your installation.
$config['secretsalt'] = 'y0h9d13pki9qdhfm3l5nws4jjn55j6hj';
$config['auth.adminpassword'] = 'mysupersecret';

/**
 * Support SSL Redirects to SAML login pages.
 *
 * Uncomment the code following code block to set
 * server port to 443 on HTTPS environment.
 *
 * This is a requirement in SimpleSAML when providing a redirect path.
 *
 * @link https://github.com/simplesamlphp/simplesamlphp/issues/450
 *
 */
/* $_SERVER['SERVER_PORT'] = 443;
$_SERVER['HTTPS'] = 'true';
$protocol = 'https://';
$port = ':' . $_SERVER['SERVER_PORT'];*/

/**
 * Support multi-site and single site installations at different base URLs.
 *
 * Overide $config['baseurlpath'] = "https://{yourdomain}/simplesaml/"
 * to customize the default Acquia configuration.
 */
$config['baseurlpath'] = $protocol . $_SERVER['HTTP_HOST'] . $port . '/simplesaml/';

/**
 * Cookies No Cache.
 *
 * Allow users to be automatically logged in if they signed in via the same
 * SAML provider on another site by uncommenting the setcookie line below.
 *
 * Warning: This has performance implications for anonymous users.
 *
 * @link https://docs.acquia.com/resource/using-simplesamlphp-acquia-cloud-site
 */
// setcookie('NO_CACHE', '1');.
/**
 * Generate Acquia session storage via hosting creds.json.
 *
 * Session sorage defaults using the database for the current request.
 *
 * @link https://docs.acquia.com/resource/using-simplesamlphp-acquia-cloud-site/#storing-session-information-using-the-acquia-cloud-sql-database
 */

if (!getenv('AH_SITE_ENVIRONMENT')) {
  // Add / modify your local configuration here.
  $config['store.type'] = 'sql';
  $config['store.sql.dsn'] = sprintf('mysql:host=%s;port=%s;dbname=%s', '127.0.0.1', '', 'drupal');
  $config['store.sql.username'] = 'drupal';
  $config['store.sql.password'] = 'drupal';
  $config['store.sql.prefix'] = 'simplesaml';
  $config['certdir'] = "/var/www/simplesamlphp/cert/";
  $config['metadatadir'] = "/var/www/simplesamlphp/metadata";
  $config['baseurlpath'] = 'simplesaml/';
  $config['loggingdir'] = '/var/www/simplesamlphp/log/';

}
elseif (getenv('AH_SITE_ENVIRONMENT')) {
  // Set  ACE ad ACSF sites based on hosting database and site name.
  $config['certdir'] = "/mnt/www/html/{$_ENV['AH_SITE_GROUP']}.{$_ENV['AH_SITE_ENVIRONMENT']}/simplesamlphp/cert/";
  $config['metadatadir'] = "/mnt/www/html/{$_ENV['AH_SITE_GROUP']}.{$_ENV['AH_SITE_ENVIRONMENT']}/simplesamlphp/metadata";
  $config['baseurlpath'] = 'simplesaml/';
  // Setup basic logging.
  $config['logging.handler'] = 'file';
  $config['loggingdir'] = dirname(getenv('ACQUIA_HOSTING_DRUPAL_LOG'));
  $config['logging.logfile'] = 'simplesamlphp-' . date('Ymd') . '.log';
  $creds_json = file_get_contents('/var/www/site-php/' . $_ENV['AH_SITE_GROUP'] . '.' . $_ENV['AH_SITE_ENVIRONMENT'] . '/creds.json');
  $databases = json_decode($creds_json, TRUE);
  $creds = $databases['databases'][$_ENV['AH_SITE_GROUP']];
  require_once "/usr/share/php/Net/DNS2_wrapper.php";
  try {
    $resolver = new Net_DNS2_Resolver(array(
      'nameservers' => array(
        '127.0.0.1',
        'dns-master',
      ),
    ));
    $response = $resolver->query("cluster-{$creds['db_cluster_id']}.mysql", 'CNAME');
    $creds['host'] = $response->answer[0]->cname;
  }
  catch (Net_DNS2_Exception $e) {
    $creds['host'] = "";
  }
  $config['store.type'] = 'sql';
  $config['store.sql.dsn'] = sprintf('mysql:host=%s;port=%s;dbname=%s', $creds['host'], $creds['port'], $creds['name']);
  $config['store.sql.username'] = $creds['user'];
  $config['store.sql.password'] = $creds['pass'];
  $config['store.sql.prefix'] = 'simplesaml';
}