/// <summary>
/// Checks access to file
/// </summary>
/// <param name="filePath">Path to file for check</param>
/// <param name="permissionAccess">Permission to check</param>
private static void CheckFileAccess(string filePath, FileIOPermissionAccess permissionAccess)
{
if (!Path.IsPathRooted(filePath))
{
var currentExecutablePath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
if (string.IsNullOrWhiteSpace(currentExecutablePath))
{
throw new ConfigurationException("Failed to determine current executable path");
}
filePath = Path.Combine(currentExecutablePath, filePath);
}
var configDirectory = Path.GetDirectoryName(filePath);
if (string.IsNullOrWhiteSpace(configDirectory))
{
throw new ConfigurationException("ClusterKit.Web.Nginx.PathToConfig has no defined directory");
}
if (!Directory.Exists(configDirectory))
{
throw new ConfigurationException($"{configDirectory} does not exists");
}
var path = File.Exists(filePath) ? filePath : configDirectory;
var permission = new FileIOPermission(permissionAccess, path);
if (!permission.IsGranted())
{
throw new ConfigurationException($"Cannot access {path} for writing");
}
}