private void OnHTTPResponse(IAsyncResult result)
{
AsyncHttpResponse state = (AsyncHttpResponse)result.AsyncState;
var success = false;
try
{
state.Request.EndGetResponse(result);
success = true;
}
catch (WebException)
{
if (state.AssociatedAccount.Protocol == "https")
{
// try to fetch certificate
try
{
var tls = new TLSHandshake();
tls.SetServerNameExtension(state.AssociatedAccount.Hostname);
var socket = new StreamSocket();
socket.Connect(state.AssociatedAccount.Hostname, state.AssociatedAccount.GetPort(true));
socket.Write(tls.CreateClientHello());
DateTime startTime = DateTime.Now;
while (true)
{
var data = socket.Read();
if (data.Length > 0)
{
var cert = tls.FindPacket(data, TLSHandshake.TLS_HANDSHAKE_CERTIFICATE);
if (cert.Length > 0)
{
var details = tls.GetCertificateDetails(cert);
if (details.Count > 0)
{
var certDetails = details[0];
if (certDetails.ContainsKey("CN"))
{
Dispatcher.BeginInvoke(() =>
{
MessageBox.Show("EditAccountPage_Connection_Rejected".Translate(state.AssociatedAccount.Hostname, certDetails["CN"], certDetails["ValidAfter"], certDetails["ValidTo"]), "EditAccountPage_Connection_Rejected_Caption".Translate(), MessageBoxButton.OK);
_overlay.Hide();
});
return;
}
}
break;
}
}
if (DateTime.Now.Subtract(startTime).TotalSeconds > 5)
{
break;
}
}
}
catch (Exception)
{
// Host not reachable, no SSL host or TLS version not supported
}
}
}
catch (Exception)
{
// HTTPWebRequest has failed
}
if (success)
{
// Testing DAV
//TODO: Add your additional connection test statement here
// To complete the test all fragments must have been fired.
EventCollector collector = new EventCollector()
{
Complete = () =>
{
OnConnectTestComplete(success, state.AssociatedAccount);
}
};
collector.WaitFor(state.AssociatedAccount.WebDAVPath);
collector.WaitFor(state.AssociatedAccount.CalDAVPath);
// define paths to test
Queue <string> pathsToTest = new Queue <string>();
pathsToTest.Enqueue(state.AssociatedAccount.WebDAVPath);
pathsToTest.Enqueue(state.AssociatedAccount.CalDAVPath);
// create master instance
WebDAV davTest = new WebDAV(state.AssociatedAccount.GetUri(), state.AssociatedAccount.GetCredentials());
// call tests
while (pathsToTest.Count > 0)
{
var path = pathsToTest.Dequeue();
davTest.StartRequest(DAVRequestHeader.CreateListing(path), path, (requestResult, userObj) =>
{
if (requestResult.Status != ServerStatus.MultiStatus)
{
// all other states are fail states
success = false;
Dispatcher.BeginInvoke(() =>
{
MessageBox.Show("EditAccountPage_CheckingConnection_DAVTestFailed".Translate(userObj, requestResult.StatusText), "Error_Caption".Translate(), MessageBoxButton.OK);
});
}
collector.Raise(userObj);
});
}
}
else
{
OnConnectTestComplete(success, state.AssociatedAccount);
}
}
private void FetchStructureComplete(DAVRequestResult result, object userObj)
{
if (result.Status == ServerStatus.MultiStatus && !result.Request.ErrorOccured && result.Items.Count > 0)
{
bool _firstItem = false;
// display all items linear
// we cannot wait till an item is displayed, instead for a fluid
// behaviour we should calculate fadeIn-delays.
int delayStart = 0;
int delayStep = 50; // ms
foreach (DAVRequestResult.Item item in result.Items)
{
File fileItem = new File()
{
FileName = item.LocalReference,
FilePath = item.Reference,
FileSize = item.ContentLength,
FileType = item.ContentType,
FileCreated = item.CreationDate,
FileLastModified = item.LastModified,
IsDirectory = item.ResourceType == ResourceType.Collection
};
bool display = true;
Dispatcher.BeginInvoke(() =>
{
switch (_views[_viewIndex])
{
case "detail":
if (!_firstItem)
{
_firstItem = true;
// Root
if (fileItem.IsDirectory)
{
if (item.Reference == _workingAccount.WebDAVPath)
{
// cannot go up further
display = false;
}
else
{
fileItem.IsRootItem = true;
fileItem.FilePath = fileItem.FileParentPath;
}
}
}
if (display)
{
FileDetailViewControl detailControl = new FileDetailViewControl()
{
DataContext = fileItem,
Opacity = 0,
Background = new SolidColorBrush()
{
Color = Colors.Transparent
},
};
DetailList.Items.Add(detailControl);
detailControl.Delay(delayStart, () =>
{
detailControl.FadeIn(100);
});
delayStart += delayStep;
}
break;
case "tile":
if (!_firstItem)
{
_firstItem = true;
// Root
if (fileItem.IsDirectory)
{
if (item.Reference == _workingAccount.WebDAVPath)
{
// cannot go up further
display = false;
}
else
{
fileItem.IsRootItem = true;
fileItem.FilePath = fileItem.FileParentPath;
}
}
}
if (display)
{
FileMultiTileViewControl multiControl = new FileMultiTileViewControl(_workingAccount, fileItem, true)
{
Width = 200,
Height = 200,
Opacity = 0,
Margin = new Thickness(0, 0, 10, 10),
};
multiControl.Tap += new EventHandler <System.Windows.Input.GestureEventArgs>(TileListSelectionChanged);
// sometimes the exception "wrong parameter" is thrown - but why???
TileView.Children.Add(multiControl);
multiControl.Delay(delayStart, () =>
{
multiControl.FadeIn(100);
});
}
break;
}
});
}
Dispatcher.BeginInvoke(() =>
{
_overlay.Hide();
});
}
else
{
Dispatcher.BeginInvoke(() =>
{
_overlay.Hide();
if (result.Status == ServerStatus.Unauthorized)
{
MessageBox.Show("FetchFile_Unauthorized".Translate(), "Error_Caption".Translate(), MessageBoxButton.OK);
}
else
{
MessageBox.Show("FetchFile_Unexpected_Result".Translate(), "Error_Caption".Translate(), MessageBoxButton.OK);
}
});
}
}