private void AddFileInfo(XmlTextWriter xml, DAVFileDirInfo info, string item)
{
xml.WriteStartElement("response", "DAV:");
{
xml.WriteElementString("href", "DAV:", BaseHref + EscapeSpecialChars(item));
xml.WriteStartElement("propstat", "DAV:");
{
xml.WriteStartElement("prop", "DAV:");
{
if (info != null)
{
xml.WriteElementString("creationdate", "DAV:", info.CreationTimeUtc.ToString("r", CultureInfo.InvariantCulture));
xml.WriteElementString("getlastmodified", "DAV:", info.LastWriteTimeUtc.ToString("r", CultureInfo.InvariantCulture));
xml.WriteElementString("getcontenttype", "DAV:", GetMimeType(info.FullName));
xml.WriteElementString("getcontentlength", "DAV:", "" + Math.Min(info.Length, Int32.MaxValue));
xml.WriteElementString("getetag", "DAV:", "1/" + BaseHref + EscapeSpecialChars(item));
xml.WriteElementString("displayname", "DAV:", info.DisplayName);
}
xml.WriteElementString("getresourcetype", "DAV:", "");
xml.WriteElementString("resourcetype", "DAV:", "");
xml.WriteElementString("supportedlock", "DAV:", "");
}
xml.WriteEndElement();
xml.WriteElementString("status", "DAV:", GetStatusCode(200));
}
xml.WriteEndElement();
}
xml.WriteEndElement();
#if false
xml.WriteStartElement("response", "DAV:");
//Load the valid items HTTP/1.1 200 OK
xml.WriteElementString("href", "DAV:", EscapeSpecialChars(href));
//Open the propstat element section
xml.WriteStartElement("propstat", "DAV:");
xml.WriteElementString("status", "DAV:", GetStatusCode(200));
//Open the prop element section
xml.WriteStartElement("prop", "DAV:");
xml.WriteElementString("getcontenttype", "DAV:", GetMimeType(info.FullName));
xml.WriteStartElement("getlastmodified", "DAV:");
xml.WriteAttributeString("b:dt", "dateTime.rfc1123");
xml.WriteString(DateTime.Now.ToUniversalTime().ToString("r", CultureInfo.InvariantCulture));
xml.WriteEndElement();
xml.WriteElementString("getcontentlength", "DAV:", "" + Math.Min(info.Length, Int32.MaxValue));
xml.WriteElementString("getresourcetype", "DAV:", "");
xml.WriteElementString("getetag", "DAV:", "\"" + info.GetHashCode() + "\"");
//Close the prop element section
xml.WriteEndElement();
//Close the propstat element section
xml.WriteEndElement();
xml.WriteEndElement();
#endif
}
public override void HandleRequest(Stream stream)
{
if (IsAccessDenied())
{
base.HandleRequest(stream);
return;
}
using (Stream mem = new MemoryStream())
{
VirtualFileType type = VirtualFileType.Resolve(RequestPath);
switch (type.Type)
{
case FileType.Invalid:
StatusCode = GetStatusCode(400);
break;
case FileType.PureVirtualDir:
{
try
{
XmlTextWriter xml = new XmlTextWriter(mem, Encoding.UTF8);
FileInfo mlvFileInfo = new FileInfo(type.MlvFilePath);
xml.Formatting = Formatting.Indented;
xml.IndentChar = ' ';
xml.Indentation = 1;
xml.WriteStartDocument();
xml.WriteStartElement("D", "multistatus", "DAV:");
/* infos about current directory */
AddDirectoryInfo(xml, mlvFileInfo, RequestPath);
int depth = 0;
if (DepthHeaderLine == "1")
{
depth = 1;
}
else if (DepthHeaderLine.ToLower() == "infinity")
{
depth = int.MaxValue;
}
/* add children only if propfind is called with a depth > 0 */
if (depth > 0)
{
if (Program.Instance.Server.Settings.ShowInfos)
{
foreach (string file in MLVAccessor.GetInfoFields(mlvFileInfo.FullName))
{
string virtFile = ValidateFileName(type.MlvBaseName + "__" + file);
DAVFileDirInfo mlvMiscInfo = new DAVFileDirInfo(virtFile);
mlvMiscInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, ".txt");
mlvMiscInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, ".txt");
mlvMiscInfo.Length = 0;
mlvMiscInfo.FullName = RequestPath + "/" + mlvMiscInfo.Name;
AddFileInfo(xml, mlvMiscInfo, mlvMiscInfo.FullName);
}
DAVFileDirInfo mlvInfoInfo = new DAVFileDirInfo(type.MlvBaseName + ".txt");
mlvInfoInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, ".txt");
mlvInfoInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, ".txt");
mlvInfoInfo.Length = MLVAccessor.GetFileSize(mlvFileInfo.FullName, ".txt");
mlvInfoInfo.FullName = RequestPath + "/" + mlvInfoInfo.Name;
if (!File.Exists(type.MlvStoreDir + Path.DirectorySeparatorChar + mlvInfoInfo.Name))
{
AddFileInfo(xml, mlvInfoInfo, mlvInfoInfo.FullName);
}
}
/* wav file*/
if (Program.Instance.Server.Settings.ShowWav)
{
if (MLVAccessor.HasAudio(mlvFileInfo.FullName))
{
DAVFileDirInfo mlvWavInfo = new DAVFileDirInfo(type.MlvBaseName + ".wav");
mlvWavInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, ".wav");
mlvWavInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, ".wav");
mlvWavInfo.Length = MLVAccessor.GetFileSize(mlvFileInfo.FullName, ".wav");
mlvWavInfo.FullName = RequestPath + "/" + mlvWavInfo.Name;
if (!File.Exists(type.MlvStoreDir + Path.DirectorySeparatorChar + mlvWavInfo.Name))
{
AddFileInfo(xml, mlvWavInfo, mlvWavInfo.FullName);
}
}
}
/* add one file per frame */
foreach (uint frame in MLVAccessor.GetFrameNumbers(mlvFileInfo.FullName))
{
if (Program.Instance.Server.Settings.ShowDng)
{
string frameName = frame.ToString("000000") + ".dng";
DAVFileDirInfo frameInfo = new DAVFileDirInfo(type.MlvBaseName + "_" + frameName);
/* one DNG file per frame */
frameInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, frameName);
frameInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, frameName);
frameInfo.Length = MLVAccessor.GetFileSize(mlvFileInfo.FullName, frameName);
frameInfo.FullName = RequestPath + "/" + frameInfo.Name;
frameInfo.DisplayName = "Frame " + frame + " as DNG";
if (!File.Exists(type.MlvStoreDir + Path.DirectorySeparatorChar + frameInfo.Name))
{
AddFileInfo(xml, frameInfo, frameInfo.FullName);
}
}
/* one JPEG file per frame if enabled */
if (Program.Instance.Server.Settings.ShowJpeg)
{
string frameName = frame.ToString("000000") + ".jpg";
DAVFileDirInfo frameInfo = new DAVFileDirInfo(type.MlvBaseName + "_" + frameName);
frameInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, frameName);
frameInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, frameName);
frameInfo.Length = MLVAccessor.GetFileSize(mlvFileInfo.FullName, frameName);
frameInfo.FullName = RequestPath + "/" + frameInfo.Name;
frameInfo.DisplayName = "Frame " + frame + " as Jpeg";
if (!File.Exists(type.MlvStoreDir + Path.DirectorySeparatorChar + frameInfo.Name))
{
AddFileInfo(xml, frameInfo, frameInfo.FullName);
}
}
/* one FITS file per frame if enabled */
if (Program.Instance.Server.Settings.ShowFits)
{
string frameName = frame.ToString("000000") + ".fits";
DAVFileDirInfo frameInfo = new DAVFileDirInfo(type.MlvBaseName + "_" + frameName);
frameInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, frameName);
frameInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(mlvFileInfo.FullName, frameName);
frameInfo.Length = MLVAccessor.GetFileSize(mlvFileInfo.FullName, frameName);
frameInfo.FullName = RequestPath + "/" + frameInfo.Name;
frameInfo.DisplayName = "Frame " + frame + " as FITS";
if (!File.Exists(type.MlvStoreDir + Path.DirectorySeparatorChar + frameInfo.Name))
{
AddFileInfo(xml, frameInfo, frameInfo.FullName);
}
}
}
/* add locally stored files */
if (Directory.Exists(type.MlvStoreDir))
{
AddFilesAndFolders(xml, type.MlvStoreDir, depth - 1);
}
}
xml.WriteEndElement();
xml.WriteEndDocument();
xml.Flush();
StatusCode = GetStatusCode(207);
ResponseTextContent = RequestHandler.StreamToString(mem);
Server.LogRequest("Providing file list for MLV file: " + type.MlvFilePath);
}
catch(FileNotFoundException e)
{
Server.Log("[E] Invalid MLV location: " + type.RequestPath);
StatusCode = GetStatusCode(404);
}
catch(Exception e)
{
Server.Log("[E] Error while browsing " + type.RequestPath + ": " + e.GetType() + ", " + e.Message);
StatusCode = GetStatusCode(500);
}
}
break;
case FileType.PureVirtualFile:
{
XmlTextWriter xml = new XmlTextWriter(mem, Encoding.UTF8);
xml.Formatting = Formatting.Indented;
xml.IndentChar = ' ';
xml.Indentation = 1;
xml.WriteStartDocument();
//Set the Multistatus
xml.WriteStartElement("D", "multistatus", "DAV:");
DAVFileDirInfo mlvItemInfo = new DAVFileDirInfo(type.MlvFileContent);
mlvItemInfo.CreationTimeUtc = MLVAccessor.GetFileDateUtc(type.MlvFilePath, type.MlvFileContent);
mlvItemInfo.LastWriteTimeUtc = MLVAccessor.GetFileDateUtc(type.MlvFilePath, type.MlvFileContent);
mlvItemInfo.Length = MLVAccessor.GetFileSize(type.MlvFilePath, type.MlvFileContent);
mlvItemInfo.FullName = RequestPath + "/" + mlvItemInfo.Name;
AddFileInfo(xml, mlvItemInfo, RequestPath);
xml.WriteEndElement();
xml.WriteEndDocument();
xml.Flush();
StatusCode = GetStatusCode(207);
ResponseTextContent = RequestHandler.StreamToString(mem);
MimeType = "text/xml; charset=\"utf-8\"";
}
break;
case FileType.Redirected:
case FileType.Direct:
if (Directory.Exists(type.LocalPath))
{
XmlTextWriter xml = new XmlTextWriter(mem, Encoding.UTF8);
xml.Formatting = Formatting.Indented;
xml.IndentChar = ' ';
xml.Indentation = 1;
xml.WriteStartDocument();
//Set the Multistatus
xml.WriteStartElement("D", "multistatus", "DAV:");
AddDirectoryInfo(xml, new DirectoryInfo(type.LocalPath), RequestPath);
int depth = 0;
if (DepthHeaderLine == "1")
{
depth = 1;
}
else if (DepthHeaderLine == "infinity")
{
depth = int.MaxValue;
}
AddFilesAndFolders(xml, type.LocalPath, depth - 1);
xml.WriteEndElement();
xml.WriteEndDocument();
xml.Flush();
StatusCode = GetStatusCode(207);
ResponseTextContent = RequestHandler.StreamToString(mem);
Server.LogRequest("Providing file list for " + type.LocalPath);
}
else if (File.Exists(type.LocalPath))
{
XmlTextWriter xml = new XmlTextWriter(mem, Encoding.UTF8);
xml.Formatting = Formatting.Indented;
xml.IndentChar = ' ';
xml.Indentation = 1;
xml.WriteStartDocument();
//Set the Multistatus
xml.WriteStartElement("D", "multistatus", "DAV:");
AddFileInfo(xml, new FileInfo(type.LocalPath), RequestPath);
xml.WriteEndElement();
xml.WriteEndDocument();
xml.Flush();
StatusCode = GetStatusCode(207);
ResponseTextContent = RequestHandler.StreamToString(mem);
MimeType = "text/xml; charset=\"utf-8\"";
Server.LogRequest("Providing file info for " + type.LocalPath);
}
else
{
StatusCode = GetStatusCode(404);
}
break;
}
}
base.HandleRequest(stream);
}
private void AddDirectoryInfo(XmlTextWriter xml, DAVFileDirInfo info, string item)
{
xml.WriteStartElement("response", "DAV:");
{
xml.WriteElementString("href", "DAV:", BaseHref + EscapeSpecialChars(item));
xml.WriteStartElement("propstat", "DAV:");
{
xml.WriteStartElement("prop", "DAV:");
{
if (info != null)
{
xml.WriteElementString("creationdate", "DAV:", info.CreationTimeUtc.ToString("r", CultureInfo.InvariantCulture));
xml.WriteElementString("getlastmodified", "DAV:", info.LastWriteTimeUtc.ToString("r", CultureInfo.InvariantCulture));
//xml.WriteElementString("quota-available-bytes", "DAV:", GetTotalFreeSpace(info.FullName).ToString());
//xml.WriteElementString("quota-used-bytes", "DAV:", GetTotalUsedSpace(info.FullName).ToString());
}
xml.WriteStartElement("resourcetype", "DAV:");
{
xml.WriteElementString("collection", "DAV:","");
}
xml.WriteEndElement();
}
xml.WriteEndElement();
xml.WriteElementString("status", "DAV:", GetStatusCode(200));
}
xml.WriteEndElement();
}
xml.WriteEndElement();
#if false
xml.WriteStartElement("response", "DAV:");
//Load the valid items HTTP/1.1 200 OK
xml.WriteElementString("href", "DAV:", EscapeSpecialChars(href));
//Open the propstat element section
xml.WriteStartElement("propstat", "DAV:");
xml.WriteElementString("status", "DAV:", GetStatusCode(200));
//Open the prop element section
xml.WriteStartElement("prop", "DAV:");
xml.WriteElementString("contenttype", "DAV:", "application/webdav-collection");
xml.WriteStartElement("lastmodified", "DAV:");
xml.WriteAttributeString("b:dt", "dateTime.rfc1123");
xml.WriteString(DateTime.Now.ToUniversalTime().ToString("r", CultureInfo.InvariantCulture));
xml.WriteEndElement();
xml.WriteElementString("contentlength", "DAV:", "0");
xml.WriteStartElement("resourcetype", "DAV:");
xml.WriteElementString("collection", "DAV:", "");
xml.WriteEndElement();
//Close the prop element section
xml.WriteEndElement();
//Close the propstat element section
xml.WriteEndElement();
xml.WriteEndElement();
#endif
}
