private static ClassifyResult ClassifyUncLink(Uri uri, WindowsIdentity authenticatedUser)
{
WindowsImpersonationContext windowsImpersonationContext = null;
ClassifyResult classifyResult = null;
ClassifyResult result;
try
{
windowsImpersonationContext = Utils.ImpersonateUser(authenticatedUser);
UriFlags uriFlags = UriFlags.Other;
if (!Utils.IsValidUncUri(uri))
{
result = new ClassifyResult(uri, ClassificationError.InvalidUri);
}
else
{
if (uri.Segments.Length == 1)
{
try
{
UncObjectId objectId = new UncObjectId(uri, UriFlags.Unc);
UncSession uncSession = UncSession.Open(objectId, new WindowsPrincipal(WindowsIdentity.GetCurrent()));
uncSession.GetView(null, null, new PropertyDefinition[0]);
}
catch (AccessDeniedException)
{
return(new ClassifyResult(uri, ClassificationError.AccessDenied));
}
catch (ObjectMovedOrDeletedException)
{
return(new ClassifyResult(uri, ClassificationError.ConnectionFailed));
}
uriFlags = UriFlags.Unc;
}
else if (uri.Segments.Length >= 2)
{
if (uri.Segments.Length >= 3)
{
try
{
FileSystemInfo fileSystemInfo = new FileInfo(uri.LocalPath);
if (fileSystemInfo.Attributes == (FileAttributes)(-1))
{
return(new ClassifyResult(uri, ClassificationError.ObjectNotFound));
}
if ((fileSystemInfo.Attributes & FileAttributes.Directory) == FileAttributes.Directory)
{
uriFlags = UriFlags.UncFolder;
}
else
{
uriFlags = UriFlags.UncDocument;
}
}
catch (UnauthorizedAccessException)
{
classifyResult = new ClassifyResult(uri, ClassificationError.AccessDenied);
}
catch (FileNotFoundException)
{
classifyResult = new ClassifyResult(uri, ClassificationError.ObjectNotFound);
}
catch (IOException)
{
classifyResult = new ClassifyResult(uri, ClassificationError.AccessDenied);
}
}
if (classifyResult != null || uri.Segments.Length == 2)
{
IntPtr intPtr;
int num = UncSession.NetShareGetInfo(uri.Host, Uri.UnescapeDataString(uri.Segments[1].TrimEnd(new char[]
{
'\\',
'/'
})), 1, out intPtr);
if (intPtr != IntPtr.Zero)
{
UncSession.NetApiBufferFree(intPtr);
}
else if (num == 5 || num == 2311)
{
classifyResult = new ClassifyResult(uri, ClassificationError.AccessDenied);
}
else if (num == 53 || num == 2250)
{
classifyResult = new ClassifyResult(uri, ClassificationError.ConnectionFailed);
}
else if (num == 2310)
{
classifyResult = new ClassifyResult(uri, ClassificationError.ObjectNotFound);
}
else if (num != 0)
{
classifyResult = new ClassifyResult(uri, ClassificationError.UnknownError);
}
uriFlags = UriFlags.UncDocumentLibrary;
}
if (classifyResult != null)
{
return(classifyResult);
}
}
if ((uriFlags & UriFlags.Unc) != (UriFlags)0)
{
result = new ClassifyResult(new UncObjectId(uri, uriFlags), uri, uriFlags);
}
else
{
result = new ClassifyResult(uri, ClassificationError.ObjectNotFound);
}
}
}
catch
{
Utils.UndoContext(ref windowsImpersonationContext);
throw;
}
finally
{
Utils.UndoContext(ref windowsImpersonationContext);
}
return(result);
}
public static UncDocumentLibrary Read(UncSession session, ObjectId objectId)
{
if (session == null)
{
throw new ArgumentNullException("session");
}
if (objectId == null)
{
throw new ArgumentNullException("objectId");
}
UncObjectId uncObjectId = objectId as UncObjectId;
if (uncObjectId == null || uncObjectId.UriFlags != UriFlags.UncDocumentLibrary)
{
throw new ArgumentException("objectId");
}
if (!session.Uri.IsBaseOf(uncObjectId.Path))
{
throw new ArgumentException("objectId");
}
if (uncObjectId.Path.Segments.Length != 2)
{
throw new ArgumentException("uncId");
}
return(Utils.DoUncTask <UncDocumentLibrary>(session.Identity, uncObjectId, false, Utils.MethodType.Read, delegate
{
string netName = Uri.UnescapeDataString(uncObjectId.Path.Segments[1].TrimEnd(new char[]
{
'\\',
'/'
}));
IntPtr zero = IntPtr.Zero;
int num = UncSession.NetShareGetInfo(uncObjectId.Path.Host, netName, 1, out zero);
try
{
if (num == 0)
{
UncSession.SHARE_INFO_1 share_INFO_ = (UncSession.SHARE_INFO_1)Marshal.PtrToStructure(zero, typeof(UncSession.SHARE_INFO_1));
try
{
return new UncDocumentLibrary(session, uncObjectId, share_INFO_.Remark);
}
catch (IOException innerException)
{
throw new AccessDeniedException(uncObjectId, Strings.ExAccessDenied(uncObjectId.Path.LocalPath), innerException);
}
}
if (num == 5 || num == 2311)
{
throw new AccessDeniedException(uncObjectId, Strings.ExAccessDenied(uncObjectId.Path.LocalPath));
}
if (num == 53 || num == 2250)
{
throw new ConnectionException(uncObjectId, Strings.ExCannotConnectToMachine(uncObjectId.Path.Host));
}
throw new ObjectNotFoundException(uncObjectId, Strings.ExObjectNotFound(uncObjectId.Path.LocalPath));
}
finally
{
if (zero != IntPtr.Zero)
{
UncSession.NetApiBufferFree(zero);
}
}
UncDocumentLibrary result;
return result;
}));
}