private void SendResponse(HeyHttpResponse response)
{
try
{
// Set default content.
response.ContentStream = CreateDefaultResponseStream();
// Do authentication.
HeyHttpAuthentication.AddAuthenticateHeaderIfNeeded(request, response);
// Custom headers.
if (request.QueryStringHasTrueValue("custom"))
{
response.Headers.Add("X-Header: Value1");
response.Headers.Add("X-Header: Value2");
response.Headers.Add("X-Header: Value3");
}
// Show the 'Save As' dialog.
string filename;
if (request.QueryStringHas("filename", out filename))
{
response.Headers.Add(String.Format("Content-Disposition: Attachment; filename={0}", filename));
}
// 201 Created for AtomPub.
if (request.QueryStringHasTrueValue("create"))
{
response.Status = "201 Created";
response.Headers.Add("Location: http://heyhttp.org/Data/first-post.atom");
response.Headers.Add("Content-Location: http://heyhttp.org/Data/first-post.atom");
response.Headers.Add("ETag: \"e180ee84f0671b1\"");
}
// 301 Moved Permanently.
string redirect;
if (request.QueryStringHas("redirect", out redirect))
{
response.Status = "301 Moved Permanently";
response.Headers.Add("Location: " + redirect);
// Do not send any data back.
request.Path = "";
}
// 503 Service Unavailable, retry after N seconds.
if (request.QueryStringHasTrueValue("retry"))
{
if (!retryReceivedBefore)
{
response.Status = "503 Service Unavailable";
response.Headers.Add("Retry-After: 5");
response.ContentStream = GetStringStream(String.Empty);
}
retryReceivedBefore = !retryReceivedBefore;
}
// Set cache headers.
if (request.QueryStringHasTrueValue("cache"))
{
response.Headers.Add("Cache-Control: max-age=3600"); // One hour (60 minutes * 60 seconds)
//additionalHeaders.Add("Expires: " + DateTime.UtcNow.AddHours(24).ToString("R"));
}
else if (request.QueryStringHasTrueValue("nocache"))
{
response.Headers.Add("Cache-Control: no-cache"); // HTTP 1.1
}
// Set cookie header.
if (request.QueryStringHasTrueValue("setcookie"))
{
response.Headers.Add("Set-Cookie: sessionTestCookie=X");
response.Headers.Add("Set-Cookie: persistentTestCookie=Y; expires=Wednesday, 09-Nov-2020 23:12:40 GMT");
response.Headers.Add("Set-Cookie: httpOnlyTestCookie=X; expires=Wednesday, 09-Nov-2020 23:12:40 GMT; HttpOnly");
response.Headers.Add("Set-Cookie: subdomainTestCookie=ghi; expires=Wednesday, 09-Nov-2020 23:12:40 GMT; domain=foo.heyhttp.org");
response.Headers.Add("Set-Cookie: slashEndingCookie=b; expires=Wednesday, 09-Nov-2020 23:12:40 GMT; domain=heyhttp.org; path=/foo/");
response.Headers.Add("Set-Cookie: nonSlashEndingCookie=a; expires=Wednesday, 09-Nov-2020 23:12:40 GMT; domain=heyhttp.org; path=/foo");
}
// Return an specific HTTP status.
int requestedStatus;
if (request.QueryStringHas("status", out requestedStatus))
{
response.Status = String.Format("{0} Foo Foo Bar", requestedStatus);
}
// Set arbitrary header.
string headerName;
string headerValue;
if (request.QueryStringHas("name", out headerName) && request.QueryStringHas("value", out headerValue))
{
response.Headers.Add(String.Format("{0}: {1}", headerName, headerValue));
}
// Introduce a long delay.
int delay;
if (request.QueryStringHas("delay", out delay))
{
Thread.Sleep(delay);
}
// Get trace content stream.
if (request.QueryStringHasTrueValue("trace"))
{
response.ContentStream = GetTraceStream();
// Do not send any data back.
request.Path = "";
}
// Get file.
if (!String.IsNullOrEmpty(request.Path) &&
!String.IsNullOrEmpty(response.Status) &&
request.Path != "/" &&
!response.Status.StartsWith("404"))
{
try
{
response.ContentStream = GetFileStream();
}
catch (FileNotFoundException ex)
{
response.Status = "404 Not Found";
response.ContentStream = GetStringStream(ex.Message);
}
catch (DirectoryNotFoundException ex)
{
response.Status = "404 Not Found";
response.ContentStream = GetStringStream(ex.Message);
}
}
// Create a response of the length given.
long sizeInBytes;
if (request.QueryStringHas("length", out sizeInBytes))
{
response.ContentStream = CreateBigStream(sizeInBytes);
}
// This check must be done after the response coontent has been selected.
string eTag;
bool useETag = request.QueryStringHas("etag", out eTag);
if (useETag)
{
//// 304 Not Modified with ETag.
//if (request.GetHeader("If-None-Match") == eTag)
//{
// response.Status = "304 Not Modified";
// response.ContentStream = GetStringStream(String.Empty);
//}
//else
//{
//}
// This 'if' is to manually change the flow when debugging.
if (DateTime.Now.Second == -1)
{
eTag = String.Empty;
response.Status = "404 NOT FOUND";
response.ContentStream = GetStringStream("Oops!");
}
else
{
response.Headers.Add(String.Format("ETag: \"{0}\"", eTag));
response.Headers.Add("Accept-Ranges: bytes");
}
}
bool useLastModified = request.QueryStringHasTrueValue("lastModified");
if (useLastModified)
{
response.Headers.Add("Last-Modified: Thu, 21 Aug 2014 21:34:57 GMT");
response.Headers.Add("Accept-Ranges: bytes");
}
HttpRangeHeader rangeHeader = request.GetRange();
if (rangeHeader != null && (useETag || useLastModified))
{
response.Status = "206 Partial Content";
response.Headers.Add(rangeHeader.GetContentRange(response.ContentStream.Length));
response.FirstPosition = rangeHeader.FirstPosition;
response.LastPosition = rangeHeader.LastPosition;
}
ForkSendResponse(response);
}
finally
{
// 'finally' block is executed even if a 'try' or 'catch' block contains a 'return'.
if (response.ContentStream != null)
{
response.ContentStream.Dispose();
}
}
}
public static void AddAuthenticateHeaderIfNeeded(HeyHttpRequest request, HeyHttpResponse response)
{
// Basic Server:
// GET --------->
//
// <--------- 401 Unauthorized
// WWW-Authenticate: Basic realm="xyz"
//
// GET --------->
// Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
//
// <--------- 200 OK
// Basic Proxy:
//
// GET --------->
// <-------- 407 Proxy Authentication Required
// Proxy-Authenticate: Basic realm="xyz"
//
// GET --------->
// Proxy-Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
//
// <--------- 200 OK
// NTLM:
//
// GET --------->
// <--------- 401 Unauthorized
// negotiate message --------->
// <--------- challenge message
// authenticate message --------->
// <--------- 200 OK
if (IsNtlmMessage(request, NtlmMessageType.NegotiatieMessage))
{
response.Status = "401 Unauthorized";
response.Headers.Add("WWW-Authenticate: NTLM TlRMTVNTUAACAAAADgAOADgAAAAFgomiBTEwAGt4s6QAAAAAAAAAAPwA/ABGAAAABgLwIwAAAA9SAEUARABNAE8ATgBEAAIADgBSAEUARABNAE8ATgBEAAEAHgBXAEkATgAtAEQARgBHADEAMABFADIAOABLADEANgAEADQAcgBlAGQAbQBvAG4AZAAuAGMAbwByAHAALgBtAGkAYwByAG8AcwBvAGYAdAAuAGMAbwBtAAMAVABXAEkATgAtAEQARgBHADEAMABFADIAOABLADEANgAuAHIAZQBkAG0AbwBuAGQALgBjAG8AcgBwAC4AbQBpAGMAcgBvAHMAbwBmAHQALgBjAG8AbQAFACQAYwBvAHIAcAAuAG0AaQBjAHIAbwBzAG8AZgB0AC4AYwBvAG0ABwAIADJX/d1Cjc0BAAAAAA==");
}
// Require basic access authentication.
if (request.QueryStringHasTrueValue("basic") && !IsAuthorizationValid(request))
{
response.Status = "401 Unauthorized";
response.Headers.Add("WWW-Authenticate: Basic realm=\"Secure Area\"");
request.Path = "";
}
// Require digest access authentication.
if (request.QueryStringHasTrueValue("digest") && !IsAuthorizationValid(request))
{
response.Status = "401 Unauthorized";
response.Headers.Add(String.Format(
"WWW-Authenticate: Digest realm=\"{0}\", qop=\"{1}\", nonce=\"{2}\", opaque=\"{3}\"",
digestRealm,
digestQop,
digestNonce,
digestOpaque));
request.Path = "";
}
// Require NTLM credentials.
if (request.QueryStringHasTrueValue("negotiate") && !IsAuthorizationValid(request))
{
response.Status = "401 Unauthorized";
response.Headers.Add("WWW-Authenticate: Negotiate");
request.Path = "";
}
// NTLM authentication.
if (request.QueryStringHasTrueValue("ntlm") && !IsAuthorizationValid(request))
{
response.Status = "401 Unauthorized";
response.Headers.Add("WWW-Authenticate: NTLM");
request.Path = "";
}
}