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Return dir listing as XML.

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Also begin to return XSLT stylesheet, but it doesn't work just  yet.
This commit is contained in:
Starbeamrainbowlabs 2016-07-06 11:04:02 +01:00
parent ef8e8f7f5f
commit 50bf2ff143
2 changed files with 101 additions and 2 deletions
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88
GalleryShare/GalleryServer.cs
View file

@ -3,6 +3,11 @@ using System.Net;
using System.Threading.Tasks;
using System.Runtime.InteropServices;
using System.IO;
using System.Collections.Generic;
using System.Runtime.Remoting.Messaging;
using System.Threading;
using System.Xml;
using System.Reflection;
namespace GalleryShare
{
@ -12,8 +17,9 @@ namespace GalleryShare
string prefix;
int port;
public int Port { get { return port; } }
string servingDirectory = Environment.CurrentDirectory;
public int Port { get { return port; } }
public GalleryServer(int inPort)
{
@ -52,13 +58,91 @@ namespace GalleryShare
/// <param name="cycle">The Http request to handle.</param>
private async Task Handle(HttpListenerContext cycle)
{
if(cycle.Request.RawUrl == @"/!Transform-DirListing.xslt")
{
/*string[] resNames = Assembly.GetExecutingAssembly().GetManifestResourceNames();
foreach (string resName in resNames)
Console.WriteLine(resName);*/
cycle.Response.ContentType = "text/xsl";
byte[] xsltData = await Utilities.GetEmbeddedResourceContent(@"GalleryShare.XSLT.DirectoryListing.xslt");
cycle.Response.OutputStream.WriteAsync(xsltData, 0, xsltData.Length);
cycle.Response.Close();
}
string requestedPath = Path.GetFullPath(Path.Combine(servingDirectory, "." + cycle.Request.RawUrl));
if (!File.Exists(requestedPath) && !Directory.Exists(requestedPath))
{
await sendMessage(cycle, 404, "Error: File or directory '{0}' not found.", requestedPath);
logCycle(cycle);
return;
}
FileAttributes reqPathAttrs = File.GetAttributes(requestedPath);
StreamWriter responseData = new StreamWriter(cycle.Response.OutputStream);
await responseData.WriteLineAsync(string.Format("You requested {0}", cycle.Request.RawUrl));
if(reqPathAttrs.HasFlag(FileAttributes.Directory))
{
List<string> dirFiles = new List<string>(Directory.GetFiles(requestedPath));
List<string> dirDirectories = new List<string>(Directory.GetDirectories(requestedPath));
cycle.Response.ContentType = "text/xml";
await responseData.FlushAsync();
XmlWriterSettings writerSettings = new XmlWriterSettings();
writerSettings.Async = true;
XmlWriter xmlData = XmlWriter.Create(cycle.Response.OutputStream, writerSettings);
await xmlData.WriteStartDocumentAsync();
await xmlData.WriteProcessingInstructionAsync("xsl-stylesheet", "type=\"text/xsl\" href=\"/!Transform-DirListing.xslt\"");
await xmlData.WriteStartElementAsync(null, "DirectoryListing", null);
foreach (string directoryname in dirDirectories)
{
await xmlData.WriteStartElementAsync(null, "ListingEntry", null);
await xmlData.WriteAttributeStringAsync(null, "Type", null, "Directory");
await xmlData.WriteElementStringAsync(null, "Name", null, directoryname);
// TODO: Write out the number of items in directory
// TODO: Write out thumbnail url
await xmlData.WriteEndElementAsync();
}
foreach (string filename in dirFiles)
{
await xmlData.WriteStartElementAsync(null, "ListingEntry", null);
await xmlData.WriteAttributeStringAsync(null, "Type", null, "File");
await xmlData.WriteElementStringAsync(null, "Name", null, filename);
// TODO: Write out thumbnail url
await xmlData.WriteEndElementAsync();
}
await xmlData.WriteEndDocumentAsync();
await xmlData.FlushAsync();
}
responseData.Close();
cycle.Response.Close();
logCycle(cycle);
}
private async Task sendMessage(HttpListenerContext cycle, int statusCode, string message, params object[] paramObjects)
{
StreamWriter responseData = new StreamWriter(cycle.Response.OutputStream);
cycle.Response.StatusCode = statusCode;
await responseData.WriteLineAsync(string.Format(message, paramObjects));
responseData.Close();
cycle.Response.Close();
}
private void logCycle(HttpListenerContext cycle)
{
Console.WriteLine("[{0}] [{1}] [{2}] {3} {4}",
DateTime.Now.ToString("hh:mm tt"),
cycle.Request.RemoteEndPoint,

15
GalleryShare/Utilities.cs
View file

@ -1,6 +1,9 @@
using System;
using System.Threading.Tasks;
using System.Linq;
using System.Reflection;
using System.IO;
using System.Net.Mime;
namespace GalleryShare
{
@ -31,6 +34,18 @@ namespace GalleryShare
throw;
}
}
public static async Task<byte[]> GetEmbeddedResourceContent(string resourceName)
{
Assembly asm = Assembly.GetExecutingAssembly();
Stream stream = asm.GetManifestResourceStream(resourceName);
MemoryStream ms = new MemoryStream();
await stream.CopyToAsync(ms);
byte[] embeddedContent = ms.ToArray();
ms.Dispose();
stream.Dispose();
return embeddedContent;
}
}
}