bool TryProcessSpecialCommand(HttpSocket s, string uri)
{
uri = uri.ToLowerInvariant();
switch (uri)
{
case "/bye!":
s.WriteTextResponse(200, "plain", ":(", false);
ThreadPool.QueueUserWorkItem(delegate { Thread.Sleep(100); Stop(); });
return(true);
case "/ping!":
s.WriteTextResponse(200, "plain", ":)", false);
return(true);
case "/sl.png!":
s.WriteBinaryResponse(200, "image/png", GetResourceBytes("sl.png"), false);
return(true);
case "/slx.png!":
s.WriteBinaryResponse(200, "image/png", GetResourceBytes("slx.png"), false);
return(true);
case "/style.css!":
s.WriteTextResponse(200, "css", HtmlFormatter.Style, false);
return(true);
default:
return(false);
}
}
bool TryProcessDirectoryRequest(HttpSocket s, string uri, string path)
{
if (!Directory.Exists(path))
{
return(false);
}
string q = string.Empty;
int i = uri.IndexOf('?');
if (i > 0)
{
q = uri.Substring(i); uri = uri.Substring(0, i);
}
// redirect to trailing '/' to fix-up relative links
if (!uri.EndsWith("/"))
{
string newUri = uri + "/" + q;
s.WriteResponse(302,
string.Format("Content-Type: text/html; charset=utf-8\r\nLocation: {0}\r\n", newUri),
Encoding.UTF8.GetBytes(
string.Format(@"<html><head><title>Object moved</title></head><body>
<h2>Object moved to <a href=""{0}"">here</a>.</h2></body></html>", newUri)),
false);
return(true);
}
// get all files and subdirs
FileSystemInfo[] infos;
try {
infos = new DirectoryInfo(path).GetFileSystemInfos();
}
catch {
infos = new FileSystemInfo[0];
}
// decode %XX
uri = DecodeUri(uri);
// determine if parent is appropriate
string parent = null;
if (uri.Length > 1)
{
i = uri.LastIndexOf('/', uri.Length - 2);
parent = (i > 0) ? uri.Substring(0, i) : "/";
}
// write the response
s.WriteTextResponse(200, "html", HtmlFormatter.FormatDirectoryListing(uri, parent, infos), false);
return(true);
}
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();
}
}
}
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();
}
}
bool TryProcessDirectoryRequest(HttpSocket s, string uri, string path) {
if (!Directory.Exists(path)) return false;
string q = string.Empty;
int i = uri.IndexOf('?');
if (i > 0) { q = uri.Substring(i); uri = uri.Substring(0, i); }
// redirect to trailing '/' to fix-up relative links
if (!uri.EndsWith("/")) {
string newUri = uri + "/" + q;
s.WriteResponse(302,
string.Format("Content-Type: text/html; charset=utf-8\r\nLocation: {0}\r\n", newUri),
Encoding.UTF8.GetBytes(
string.Format(@"<html><head><title>Object moved</title></head><body>
<h2>Object moved to <a href=""{0}"">here</a>.</h2></body></html>", newUri)),
false);
return true;
}
// get all files and subdirs
FileSystemInfo[] infos;
try {
infos = new DirectoryInfo(path).GetFileSystemInfos();
}
catch {
infos = new FileSystemInfo[0];
}
// decode %XX
uri = DecodeUri(uri);
// determine if parent is appropriate
string parent = null;
if (uri.Length > 1) {
i = uri.LastIndexOf('/', uri.Length-2);
parent = (i > 0) ? uri.Substring(0, i) : "/";
}
// write the response
s.WriteTextResponse(200, "html", HtmlFormatter.FormatDirectoryListing(uri, parent, infos), false);
return true;
}
bool TryProcessSpecialCommand(HttpSocket s, string uri) {
uri = uri.ToLowerInvariant();
switch (uri) {
case "/bye!":
s.WriteTextResponse(200, "plain", ":(", false);
ThreadPool.QueueUserWorkItem(delegate { Thread.Sleep(100); Stop(); });
return true;
case "/ping!":
s.WriteTextResponse(200, "plain", ":)", false);
return true;
case "/sl.png!":
s.WriteBinaryResponse(200, "image/png", GetResourceBytes("sl.png"), false);
return true;
case "/slx.png!":
s.WriteBinaryResponse(200, "image/png", GetResourceBytes("slx.png"), false);
return true;
case "/style.css!":
s.WriteTextResponse(200, "css", HtmlFormatter.Style, false);
return true;
default:
return false;
}
}
