function _httprl_build_drupal_root in HTTP Parallel Request & Threading Library 6

Same name and namespace in other branches

1. 7 httprl.module \_httprl_build_drupal_root()

Helper function to build an URL for asynchronous requests to self.

Parameters

int $level: How deep to go when setting the base path.

int $hostname_mode: Force a hostname type.

Return value

string URL pointing to this server.

1 call to _httprl_build_drupal_root()

httprl_build_url_self in ./httprl.module

Helper function to build an URL for asynchronous requests to self.

File

./httprl.module, line 276

HTTP Parallel Request Library module.

Code

function _httprl_build_drupal_root($level = 0, $hostname_mode = 0) {
  static $webroot;
  $root_path = '/';
  if ($level > 0) {

    // Work backwards from this file till we find drupal's index.php.
    if (!isset($webroot)) {
      $webroot = str_replace('\\', '/', dirname(__FILE__));
      while (!empty($webroot)) {
        if (file_exists($webroot . '/index.php') && strpos(file_get_contents($webroot . '/index.php'), 'menu_execute_active_handler();') !== FALSE) {
          break;
        }
        $new_webroot = str_replace('\\', '/', dirname($webroot));
        if ($new_webroot == $webroot) {
          $webroot = str_replace('\\', '/', getcwd());
          break;
        }
        $webroot = $new_webroot;
      }
    }
    $root_path = '';
    $webroot_array = explode('/', $webroot);
    while ($level > 0 && count($webroot_array) != 0) {
      $level--;
      $root_path = array_pop($webroot_array) . '/' . $root_path;
    }
    $root_path = '/' . $root_path;
    $root_path = str_replace('//', '/', $root_path);
  }
  else {
    if (!empty($GLOBALS['base_path'])) {
      $root_path = $GLOBALS['base_path'];
    }
  }

  // Server auth.
  $auth = '';
  if (module_exists('shield')) {
    $auth = variable_get('shield_user', '') . ':' . variable_get('shield_pass', '') . '@';
  }
  elseif (isset($_SERVER['AUTH_TYPE']) && $_SERVER['AUTH_TYPE'] == 'Basic' || isset($_SERVER['HTTP_AUTHORIZATION']) && preg_match('/Basic\\s+(.*)$/i', $_SERVER['HTTP_AUTHORIZATION'])) {
    $auth = $_SERVER['PHP_AUTH_USER'] . ':' . $_SERVER['PHP_AUTH_PW'] . '@';
  }

  // Use static for gethostbyname lookup.
  static $dns_cache;
  $hostname = httprl_get_hostname();

  // Get Host.
  $ip = httprl_variable_get('httprl_server_addr', FALSE);
  if ($ip == -1 || $hostname_mode == 1) {
    $ip = $hostname;

    // If the host is bad don't use it.
    if (is_callable('drupal_is_cli') && drupal_is_cli() || !isset($_SERVER['SERVER_SOFTWARE']) && (php_sapi_name() == 'cli' || is_numeric($_SERVER['argc']) && $_SERVER['argc'] > 0)) {
      if (!isset($dns_cache[$hostname])) {
        $dns_cache[$hostname] = gethostbyname($hostname);
      }
      if ($dns_cache[$hostname] == $hostname) {
        $ip = '';
      }
    }
  }
  if (empty($ip) || $hostname_mode == 2) {
    $ip = empty($_SERVER['SERVER_ADDR']) ? '127.0.0.1' : $_SERVER['SERVER_ADDR'];

    // Check for IPv6. If IPv6 convert to IPv4 if possible.
    if (strpos($ip, ':') !== FALSE) {
      if ($_SERVER['SERVER_ADDR'] == '::1') {
        $ip = "127.0.0.1";
      }
      elseif (preg_match('/^::\\d+.\\d+.\\d+.\\d+$/', $ip)) {
        $ip = substr($ip, 2);
      }
      elseif (!empty($hostname)) {

        // Last option is to use the IP from the host name.
        if (!isset($dns_cache[$hostname])) {
          $dns_cache[$hostname] = gethostbyname($hostname);
        }
        $ip = $dns_cache[$hostname];
        if ($dns_cache[$hostname] == $hostname) {
          $ip = '';
        }
      }
    }
  }
  if ($hostname_mode == 3) {
    $ip = httprl_variable_get('httprl_server_hostname', FALSE);
  }
  if (empty($ip) || $hostname_mode == 4) {
    $ip = '127.0.0.1';
  }

  // Port.
  $port = httprl_variable_get('httprl_server_port', HTTPRL_SERVER_PORT);

  // Add the port separator if necessary.
  if (!empty($port)) {
    $port = ':' . $port;
  }
  elseif (isset($_SERVER['SERVER_PORT']) && is_numeric($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443) {
    $port = ':' . $_SERVER['SERVER_PORT'];
  }

  // URL schema http or https.
  $schema_var = httprl_variable_get('httprl_server_schema', HTTPRL_SERVER_SCHEMA);
  if ($schema_var == 0) {
    $schema = httprl_get_server_schema() . '://';
  }
  elseif ($schema_var == 1) {
    $schema = 'http://';
  }
  elseif ($schema_var == 2) {
    $schema = 'https://';
  }

  // Special handling if clean urls are disabled.
  if (!variable_get('clean_url', 0)) {
    $path_parts = @parse_url('http://example.com/' . $path);
    if (!empty($path_parts)) {
      $path_parts_query = array();
      if (isset($path_parts['query'])) {
        parse_str($path_parts['query'], $path_parts_query);
      }
      $path_parts_query['q'] = ltrim($path_parts['path'], '/');
      $path = '?' . http_build_query($path_parts_query, '', '&');
    }
  }
  return $schema . $auth . $ip . $port . $root_path;
}