bool TryProcessXapListingRequest(HttpSocket s, string uri, string path)
{
// path should end with '\' (for XAP listing)
if (!path.EndsWith(Path.DirectorySeparatorChar.ToString()))
{
return(false);
}
path = path.Substring(0, path.Length - 1);
// must end with XAP
if (string.Compare(Path.GetExtension(path), ".xap", StringComparison.OrdinalIgnoreCase) != 0)
{
return(false);
}
// file must exist
if (!File.Exists(path))
{
return(false);
}
// see if need to serve file from XAP
string filename = null;
int iq = uri.IndexOf('?');
if (iq >= 0)
{
filename = uri.Substring(iq + 1);
}
ZipArchive xap = null;
try {
// open XAP file
xap = new ZipArchive(path, FileAccess.Read);
if (string.IsNullOrEmpty(filename))
{
// list contents
List <ZipArchiveFile> xapContents = new List <ZipArchiveFile>();
foreach (KeyValuePair <string, ZipArchiveFile> p in xap.entries)
{
xapContents.Add(p.Value);
}
s.WriteTextResponse(200, "html", HtmlFormatter.FormatXapListing(uri, xapContents), false);
return(true);
}
// server file from XAP
ZipArchiveFile f = null;
if (!xap.entries.TryGetValue(filename, out f))
{
s.WriteErrorResponse(404, "Resource not found in XAP");
return(true);
}
// check mime type
string mimeType = HttpSocket.GetMimeType(filename);
if (string.IsNullOrEmpty(mimeType))
{
s.WriteErrorResponse(403);
return(true);
}
// get the content
byte[] body = new byte[(int)f.Length];
if (body.Length > 0)
{
using (Stream fs = f.OpenRead()) {
fs.Read(body, 0, body.Length);
}
}
// write the resposne
s.WriteResponse(200, string.Format("Content-type: {0}\r\n", mimeType), body, false);
return(true);
}
catch {
s.WriteErrorResponse(500, "error reading XAP");
return(true);
}
finally {
if (xap != null)
{
xap.Close();
}
}
}
