protected VirtualFolderInfo GetFolderInfoInternal(string virtualFolderPath, bool mustExist, out string absolutePath)
{
try
{
//make sure we operate on absolute paths
absolutePath = PathUtil.GetAbsolutePath(virtualFolderPath ?? "", RootDirectory);
if (IsRootPath(absolutePath))
{
return(GetFileSystemRoot());
}
var di = new DirectoryInfo(absolutePath);
VirtualFolderInfo folderInfo = di.CreateFolderResourceInfo();
//convert to relative paths if required (also prevents qualified paths in validation exceptions)
if (UseRelativePaths)
{
folderInfo.MakePathsRelativeTo(RootDirectory);
}
//make sure the user is allowed to access the resource
ValidateResourceAccess(folderInfo);
//verify folder exists on FS
if (mustExist)
{
folderInfo.VerifyDirectoryExists(RootDirectory);
}
return(folderInfo);
}
catch (VfsException)
{
//just bubble internal exceptions
throw;
}
catch (Exception e)
{
VfsLog.Debug(e, "Could not create directory based on path '{0}' with root '{1}'", virtualFolderPath,
RootDirectory);
throw new ResourceAccessException("Invalid path submitted: " + virtualFolderPath);
}
}
/// <summary>
/// Resolves the parent folder for a virtual resource.
/// </summary>
/// <param name="child">The child file or folder.</param>
/// <returns>The parent folder info.</returns>
private VirtualFolderInfo GetParentInternal(VirtualResourceInfo child)
{
if (child == null)
{
throw new ArgumentNullException("child");
}
string path = PathUtil.GetAbsolutePath(child.FullName, RootDirectory);
if (IsRootPath(path))
{
//only log the request for the root's parent - do not include that
//info in an exception in case we're hiding path information
string msg = "Error while requesting parent of resource {0} - the folder itself already is the root.";
VfsLog.Error(msg, child.FullName);
//create exception with a relative path, if required
string exceptionPath = UseRelativePaths ? PathUtil.RelativeRootPrefix : child.FullName;
msg = String.Format(msg, exceptionPath);
throw new ResourceAccessException(msg);
}
//make sure the processed directory exists
VirtualFolderInfo folder = child as VirtualFolderInfo;
if (folder != null)
{
folder.VerifyDirectoryExists(RootDirectory);
}
else
{
VirtualFileInfo file = (VirtualFileInfo)child;
file.VerifyFileExists(RootDirectory);
}
//get the path of the parent (returned value may be null!)
string parentPath = Path.GetDirectoryName(path);
//get folder info
return(GetFolderInfo(parentPath));
}