/// <summary>
/// Download a document chunk
/// </summary>
/// <param name="logonId"></param>
/// <param name="TransferId">Transfer id obtained when starting the download</param>
/// <param name="FilePosition">Position in the file to start downloading the chunk</param>
/// <returns></returns>
public DownloadChunkReturnValue DocumentDownloadChunk(Guid logonId, Guid TransferId, long FilePosition)
{
DownloadChunkReturnValue ReturnValue = new DownloadChunkReturnValue();
try
{
// Get the logged on user from the current logons and add their
// ApplicationSettings the list of concurrent sessions.
Host.LoadLoggedOnUser(logonId);
try
{
FileChunkData FileChunkData = FileTransfer.DownloadChunk(logonId, TransferId, FilePosition);
ReturnValue.ChunkSize = FileChunkData.ChunkSize;
ReturnValue.Bytes = FileChunkData.Bytes;
}
finally
{
// Remove the logged on user's ApplicationSettings from the
// list of concurrent sessions
Host.UnloadLoggedOnUser();
}
}
catch (Exception ex)
{
ReturnValue.Success = false;
ReturnValue.Message = ex.Message;
}
return ReturnValue;
}
/// <summary>
/// Download a document chunk
/// </summary>
/// <param name="logonId"></param>
/// <param name="TransferId">Transfer id obtained when starting the download</param>
/// <param name="FilePosition">Position in the file to start downloading the chunk</param>
/// <returns></returns>
public DownloadChunkReturnValue DocumentDownloadChunk(Guid logonId, Guid TransferId, long FilePosition)
{
DownloadChunkReturnValue ReturnValue = new DownloadChunkReturnValue();
try
{
// Get the logged on user from the current logons and add their
// ApplicationSettings the list of concurrent sessions.
Host.LoadLoggedOnUser(logonId);
try
{
FileChunkData FileChunkData = FileTransfer.DownloadChunk(logonId, TransferId, FilePosition);
ReturnValue.ChunkSize = FileChunkData.ChunkSize;
ReturnValue.Bytes = FileChunkData.Bytes;
}
finally
{
// Remove the logged on user's ApplicationSettings from the
// list of concurrent sessions
Host.UnloadLoggedOnUser();
}
}
catch (Exception ex)
{
ReturnValue.Success = false;
ReturnValue.Message = ex.Message;
}
return(ReturnValue);
}
/// <summary>
/// Download a document chunk
/// </summary>
/// <param name="logonId"></param>
/// <param name="TransferId">Transfer id obtained when starting the download</param>
/// <param name="FilePosition">Position in the file to start downloading the chunk</param>
/// <returns></returns>
public DownloadChunkReturnValue DocumentDownloadChunk(Guid logonId, Guid TransferId, long FilePosition)
{
DownloadChunkReturnValue ReturnValue = new DownloadChunkReturnValue();
try
{
// Get the logged on user from the current logons and add their
// ApplicationSettings the list of concurrent sessions.
Host.LoadLoggedOnUser(logonId);
try
{
Functions.RestrictRekoopIntegrationUser(UserInformation.Instance.DbUid);
switch (UserInformation.Instance.UserType)
{
case DataConstants.UserType.Staff:
case DataConstants.UserType.Client:
case DataConstants.UserType.ThirdParty:
// Can do everything
break;
default:
throw new Exception("Access denied");
}
FileChunkData FileChunkData = FileTransfer.DownloadChunk(logonId, TransferId, FilePosition);
ReturnValue.ChunkSize = FileChunkData.ChunkSize;
ReturnValue.Bytes = FileChunkData.Bytes;
}
finally
{
// Remove the logged on user's ApplicationSettings from the
// list of concurrent sessions
Host.UnloadLoggedOnUser();
}
}
catch (System.Data.SqlClient.SqlException)
{
ReturnValue.Success = false;
ReturnValue.Message = Functions.SQLErrorMessage;
}
catch (Exception ex)
{
ReturnValue.Success = false;
ReturnValue.Message = ex.Message;
}
return ReturnValue;
}
/// <summary>
/// Download a document chunk
/// </summary>
/// <param name="oHostSecurityToken"></param>
/// <param name="TransferId">Transfer id obtained when starting the download</param>
/// <param name="FilePosition">Position in the file to start downloading the chunk</param>
/// <returns></returns>
public DownloadChunkReturnValue DocumentDownloadChunk(HostSecurityToken oHostSecurityToken, Guid TransferId, long FilePosition)
{
DownloadChunkReturnValue ReturnValue = null;
if (Functions.ValidateIWSToken(oHostSecurityToken))
{
oDocumentService = new DocumentService();
ReturnValue = oDocumentService.DocumentDownloadChunk(Functions.GetLogonIdFromToken(oHostSecurityToken), TransferId, FilePosition);
}
else
{
ReturnValue = new DownloadChunkReturnValue();
ReturnValue.Success = false;
ReturnValue.Message = "Invalid Token";
}
return(ReturnValue);
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void _grdDocFiles_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "select")
{
GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);
if (row.Cells[0].FindControl("_linkEdit") != null)
{
int rowId = ((GridViewRow)((LinkButton)(e.CommandSource)).NamingContainer).RowIndex;
int docId = Convert.ToInt32(_grdDocFiles.DataKeys[rowId].Values["Id"].ToString());
Session[SessionName.DocumentId] = docId;
Response.Redirect("~/DocumentManagement/ImportDocument.aspx", true);
}
}
else if (e.CommandName == "reupload")
{
GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);
if (row.Cells[0].FindControl("_linkReupload") != null)
{
int rowId = ((GridViewRow)((LinkButton)(e.CommandSource)).NamingContainer).RowIndex;
int docId = Convert.ToInt32(_grdDocFiles.DataKeys[rowId].Values["Id"].ToString());
Session[SessionName.DocumentId] = docId;
Response.Redirect("~/DocumentManagement/ReuploadDocument.aspx", true);
}
}
else if (e.CommandName == "fileDownload")
{
GridViewRow row = (GridViewRow)(((LinkButton)e.CommandSource).NamingContainer);
if (row.Cells[0].FindControl("_linkFileDownload") != null)
{
int rowId = ((GridViewRow)((LinkButton)(e.CommandSource)).NamingContainer).RowIndex;
int docId = Convert.ToInt32(_grdDocFiles.DataKeys[rowId].Values["Id"].ToString());
DocumentServiceClient _documentServiceClient = new DocumentServiceClient();
try
{
Guid ProjectId = DataConstants.DummyGuid;
StartDocumentDownloadReturnValue Header;
if (!string.IsNullOrEmpty(Convert.ToString(Session[SessionName.ProjectId])))
{
ProjectId = new Guid(Convert.ToString(Session[SessionName.ProjectId]));
}
#region Start Download
try
{
Header = _documentServiceClient.StartDocumentDownloadForMatter(((LogonReturnValue)Session[SessionName.LogonSettings]).LogonId, ProjectId, docId);
}
catch (Exception ex)
{
throw ex;
}
#endregion
if (Header != null)
{
if (!Header.Success)
{
_lblError.CssClass = "errorMessage";
_lblError.Text = Header.Message;
return;
}
if (!Directory.Exists(Path.Combine(Server.MapPath("."), "Download")))
{
Directory.CreateDirectory(Path.Combine(Server.MapPath("."), "Download"));
}
long BytesLeft = Header.Size;
string downloadFolderPath = Path.Combine(Server.MapPath("."), "Download");
string FileName = Path.Combine(downloadFolderPath, Header.FileName);
try
{
#region Download Chunk by Chunk
// Open the file
using (FileStream FileStream = new FileStream(FileName, FileMode.Create, FileAccess.Write, FileShare.Read))
{
while (BytesLeft > 0)
{
// Download a chunk
DownloadChunkReturnValue Chunk = _documentServiceClient.DocumentDownloadChunk(
((LogonReturnValue)Session[SessionName.LogonSettings]).LogonId, Header.TransferId, FileStream.Position);
if (!Chunk.Success)
{
throw new Exception("File download failed: " + Chunk.Message);
}
// Write the chunk to the file
FileStream.Write(Chunk.Bytes, 0, Chunk.ChunkSize);
BytesLeft -= Chunk.ChunkSize;
}
}
#endregion
#region Download Complete
// Tell the service we have finished downloading
_documentServiceClient.DocumentDownloadComplete(((LogonReturnValue)Session[SessionName.LogonSettings]).LogonId, Header.TransferId);
#endregion
// Check the file size
if (new FileInfo(FileName).Length != Header.Size)
{
throw new Exception("File download failed, file size is wrong");
}
// Make a hash of the file
byte[] LocalHash = FileTransferHash.CreateFileMD5Hash(FileName);
// Check the hash matches that from the server
if (!FileTransferHash.CheckHash(LocalHash, Header.Hash))
{
throw new Exception("File download failed, document checksum does not match");
}
// Set the file modified date
File.SetLastWriteTime(FileName, Header.ModifiedDate);
try
{
//string jscript = "HideProgress();window.open('DocumentView.aspx?file={0}&path={1}','FileDownload','height=200,width=400,status=no,toolbar=no,menubar=no,left=0,top=0');";
string jscript = "HideProgress(); GetDocument('" + AppFunctions.GetASBaseUrl() + "/Pages/DocMgmt/DocumentView.aspx?file={0}&path={1}');";
ScriptManager.RegisterStartupScript(this.Page, this.GetType(),
Guid.NewGuid().ToString(),
string.Format(jscript, HttpUtility.UrlEncode(new FileInfo(FileName).Name), HttpUtility.UrlEncode(FileName)),
true);
}
catch (Exception ex)
{
throw ex;
}
}
catch
{
// Download failed so delete file being downloaded
File.Delete(FileName);
throw;
}
}
}
catch (System.ServiceModel.EndpointNotFoundException)
{
_lblError.Text = DataConstants.WSEndPointErrorMessage;
_lblError.CssClass = "errorMessage";
}
catch (Exception ex)
{
_lblError.CssClass = "errorMessage";
_lblError.Text = ex.Message;
}
finally
{
if (_documentServiceClient != null)
{
if (_documentServiceClient.State != System.ServiceModel.CommunicationState.Faulted)
{
_documentServiceClient.Close();
}
}
}
}
}
}
