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using System;
using System.Collections;
using System.IO;
namespace MiniHttpd
{
/// <summary>
/// The default index page used by <see cref="HttpWebServer"/>.
/// </summary>
public class IndexPage : IFile
{
#region IFile Members
/// <summary>
/// Gets the MIME type of the content.
/// </summary>
public string ContentType
{
get
{
return ContentTypes.GetExtensionType(".htm");
}
}
internal virtual void PrintBody(StreamWriter writer,
HttpRequest request,
IDirectory directory,
ICollection dirs,
ICollection files
)
{
writer.WriteLine("<h2>Index of " + HttpWebServer.GetDirectoryPath(directory) + "</h2>");
if(directory.Parent != null)
writer.WriteLine("<a href=\"..\">[..]</a><br>");
foreach(IDirectory dir in dirs)
{
//if(dir is IPhysicalResource)
// if((File.GetAttributes((dir as IPhysicalResource).Path) & FileAttributes.Hidden) != 0)
// continue;
writer.WriteLine("<a href=\"" + UrlEncoding.Encode(dir.Name) + "/\">[" + dir.Name + "]</a><br>");
}
foreach(IFile file in files)
{
//if(file is IPhysicalResource)
// if((File.GetAttributes((file as IPhysicalResource).Path) & FileAttributes.Hidden) != 0)
// continue;
writer.WriteLine("<a href=\"" + UrlEncoding.Encode(file.Name) + "\">" + file.Name + "</a><br>");
}
}
/// <summary>
/// Called when the file is requested by a client.
/// </summary>
/// <param name="request">The <see cref="HttpRequest"/> requesting the file.</param>
/// <param name="directory">The <see cref="IDirectory"/> of the parent directory.</param>
public void OnFileRequested(HttpRequest request, IDirectory directory)
{
ICollection dirs;
ICollection files;
try
{
dirs = directory.GetDirectories();
files = directory.GetFiles();
}
catch(UnauthorizedAccessException)
{
throw new HttpRequestException("403");
}
request.Response.BeginChunkedOutput();
StreamWriter writer = new StreamWriter(request.Response.ResponseContent);
writer.WriteLine("<html>");
writer.WriteLine("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">");
writer.WriteLine("<head><title>Index of " + HttpWebServer.GetDirectoryPath(directory) + "</title></head>");
writer.WriteLine("<body>");
PrintBody(writer, request, directory, dirs, files);
writer.WriteLine("<hr>" + request.Server.ServerName);
writer.WriteLine("</body></html>");
writer.WriteLine("</body>");
writer.WriteLine("</html>");
writer.Flush();
}
/// <summary>
/// Gets name of the page. This value is always <c>null</c>.
/// </summary>
public string Name
{
get
{
return null;
}
}
/// <summary>
/// Gets the parent directory. This value is always <c>null</c>.
/// </summary>
public IDirectory Parent
{
get
{
return null;
}
}
#endregion
#region IDisposable Members
/// <summary>
/// Dispose IndexPage.
/// </summary>
public virtual void Dispose()
{
}
#endregion
}
}
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