public string FormatError(HttpStatusCode code, string description)
{
var template = AppDomain.CurrentDomain.BaseDirectory + "\\content\\error_template.tpl";
if (File.Exists(template))
{
var templateContent = File.ReadAllText(template);
templateContent = templateContent.Replace("{data:code}", ((int) code).ToString()).Replace(
"{data:description}", description);
return templateContent;
}
return "";
}
public static string Stringify(HttpStatusCode code)
{
switch (code)
{
case HttpStatusCode.Accepted: return "Accepted";
case HttpStatusCode.Ambiguous: return "Multiple Choices";
case HttpStatusCode.BadGateway: return "Bad Gateway";
case HttpStatusCode.BadRequest: return "Bad Request";
case HttpStatusCode.Conflict: return "Conflict";
case HttpStatusCode.Continue: return "Continue";
case HttpStatusCode.Created: return "Created";
case HttpStatusCode.ExpectationFailed: return "Expectation Failed";
case HttpStatusCode.Forbidden: return "Forbidden";
case HttpStatusCode.Found: return "Found";
case HttpStatusCode.GatewayTimeout: return "Gateway Timeout";
case HttpStatusCode.Gone: return "Gone";
case HttpStatusCode.HttpVersionNotSupported: return "HTTP Version Not Supported";
case HttpStatusCode.InternalServerError: return "Internal Server Error";
case HttpStatusCode.LengthRequired: return "Length Required";
case HttpStatusCode.MethodNotAllowed: return "Method Not Allowed";
case HttpStatusCode.Moved: return "Moved";
case HttpStatusCode.NoContent: return "No Content";
case HttpStatusCode.NonAuthoritativeInformation: return "Non Authoritative Information";
case HttpStatusCode.NotAcceptable: return "Not Acceptable";
case HttpStatusCode.NotFound: return "Not Found";
case HttpStatusCode.NotImplemented: return "Not Implemented";
case HttpStatusCode.NotModified: return "Not Modified";
case HttpStatusCode.OK: return "OK";
case HttpStatusCode.PartialContent: return "Partial Content";
case HttpStatusCode.PaymentRequired: return "Payment Required";
case HttpStatusCode.PreconditionFailed: return "Precondition Failed";
case HttpStatusCode.ProxyAuthenticationRequired: return "Proxy Authentication Required";
case HttpStatusCode.RedirectKeepVerb: return "Redirect Keep Verb";
case HttpStatusCode.RedirectMethod: return "Redirect Method";
case HttpStatusCode.RequestedRangeNotSatisfiable: return "Requested Range Not Satisfiable";
case HttpStatusCode.RequestEntityTooLarge: return "Request Entity Too Large";
case HttpStatusCode.RequestTimeout: return "Request Timeout";
case HttpStatusCode.RequestUriTooLong: return "Request URI Too Long";
case HttpStatusCode.ResetContent: return "Reset Content";
case HttpStatusCode.ServiceUnavailable: return "Service Unavailable";
case HttpStatusCode.SwitchingProtocols: return "Switching Protocols";
case HttpStatusCode.Unauthorized: return "Unauthorized";
case HttpStatusCode.UnsupportedMediaType: return "Unsupported Media Type";
case HttpStatusCode.Unused: return "Unused";
case HttpStatusCode.UseProxy: return "Use Proxy";
default: return code.ToString();
}
}
internal void _BeginResponse(HttpResponse response, HttpStatusCode status, Action<HttpBuffer> ev_buffer, Action/*?*/ ev_done = null)
{
lock (_server._lock) {
if (_isdisposed) return; // this is not the right place to throw
if (_state != _State.ResponseHeadersUserWait && _state != _State.RequestBodyUserWait)
throw new InvalidOperationException("invalid state for response body streaming (" + _state + ")");
if (_responsebody_streaming_started)
throw new InvalidOperationException("request body can only be streamed once");
if (_tx == null || _tx.Response != response)
throw new InvalidOperationException("this request object is not active");
_server.ev_debug("begin response");
_responsebody_buffer = new ResponseBodyBuffer(this);
_responsebody_user_cb = ev_buffer;
if (_responsebody_done_cb != null) throw new InvalidOperationException("resources may have leaked");
_responsebody_done_cb = ev_done;
if (!response.Headers.ContentLength.HasValue && !_ishttp10) {
response.Headers.SetChunkedEncoding();
}
StringBuilder sb = new StringBuilder();
sb.AppendFormat("HTTP/{0} {1} {2}\r\n", (_ishttp10?"1.0":"1.1"), (int)status, _Utils.Stringify(status));
response.Headers.Write(sb, response.Cookies.Values);
_server.ev_debug("{0}", sb.ToString());
_server.ev_debug("--------------------------------------");
_responsebody_left = response.Headers.ContentLength ?? -1;
_writebytes = Encoding.UTF8.GetBytes(sb.ToString());
_writecount = _writebytes.Length;
_writeoff = 0;
if (_state == _State.RequestBodyUserWait) { // if we are still waiting for the user to read the request body, dump it
_state = _State.RequestBodyDump;
} else {
_state = _State.SendResponseHeaders;
}
_HandleCurrentState();
}
}
void _Respond(HttpStatusCode status, byte[] body)
{
Headers.ContentLength = body.Length;
_connection._BeginResponse(this, status, buf => {
buf.Buffer = body;
buf.Offset = 0;
buf.Count = body.Length;
buf.IsLastBuffer = true;
buf.Complete();
});
}
void _Respond(HttpStatusCode status, Stream body)
{
Headers.ContentLength = body.Length;
byte[] buf = new byte[32768];
BeginResponse(HttpStatusCode.OK,
ev_buffer: responsebuf => {
responsebuf.Buffer = buf;
responsebuf.Offset = 0;
responsebuf.Count = body.Read(buf, 0, buf.Length);
if (body.Position == body.Length)
responsebuf.IsLastBuffer = true;
responsebuf.Complete();
},
ev_done: () => {
try { body.Close(); } catch { }
});
}
/// <summary>
/// Send a response.
/// </summary>
/// <param name="httpVersion">Either <see cref="HttpHelper.HTTP10"/> or <see cref="HttpHelper.HTTP11"/></param>
/// <param name="statusCode">HTTP status code</param>
/// <param name="reason">reason for the status code.</param>
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason)
{
Respond(httpVersion, statusCode, reason, null, null);
}
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason, string body, string contentType) {Console.WriteLine("xxxxxx");}
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason, string body, string contentType) {}
/// <summary>
/// Initializes a new instance of the <see cref="HttpException"/> class.
/// </summary>
/// <param name="code">HTTP status code.</param>
/// <param name="errMsg">Exception description.</param>
public HttpException(HttpStatusCode code, string errMsg)
: base(errMsg)
{
Code = code;
}
public void Respond(HttpStatusCode status)
{
_Respond(status);
}
public void Respond(HttpStatusCode status, Stream body)
{
_Respond(status, body);
}
public void Respond(HttpStatusCode status, byte[] body)
{
_Respond(status, body);
}
public void Respond(HttpStatusCode status, string body)
{
_Respond(status, body);
}
//
// To send a response all at once, use one of these Respond overloads
//
public void Respond(HttpStatusCode status, string body, params object[] ps)
{
_Respond(status, string.Format(body,ps));
}
//
// To send a streaming respond, call BeginResponse.
//
// Once the client is ready to consume buffers, cb_buffer will be invoked with an HttpBuffer object.
//
// Fill in the Buffer, Offset, and Count fields on this object, then call HttpBuffer.Complete() to pass
// the buffer to the client.
//
// When you have filled the last buffer, set the IsLastBuffer property to true. This will complete the
// HTTP response.
//
// Streaming responses are always sent using chunked transfer encoding.
//
public void BeginResponse(HttpStatusCode status,
Action<HttpBuffer> ev_buffer,
Action ev_done = null)
{
_connection._BeginResponse(this, status, ev_buffer, ev_done);
}
/// <summary>
/// Send a response.
/// </summary>
/// <param name="httpVersion">Either HttpHelper.HTTP10 or HttpHelper.HTTP11</param>
/// <param name="statusCode">http status code</param>
/// <param name="reason">reason for the status code.</param>
/// <param name="body">html body contents, can be null or empty.</param>
/// <param name="contentType">A content type to return the body as, ie 'text/html' or 'text/plain', defaults to 'text/html' if null or empty</param>
/// <exception cref="ArgumentException">If httpVersion is invalid.</exception>
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason, string body, string contentType)
{
if (string.IsNullOrEmpty(contentType))
contentType = "text/html";
if (string.IsNullOrEmpty(httpVersion))
throw new ArgumentException("Invalid HTTP version");
if (string.IsNullOrEmpty(reason))
reason = statusCode.ToString();
byte[] buffer;
if (string.IsNullOrEmpty(body))
{
buffer = Encoding.ASCII.GetBytes(String.Format("{0} {1} {2}\r\n\r\n",
httpVersion, (int)statusCode, reason));
}
else
{
buffer = Encoding.ASCII.GetBytes(String.Format("{0} {1} {2}\r\nContent-Type: {3}\r\nContent-Length: {4}\r\n\r\n{5}",
httpVersion, (int)statusCode, reason, contentType, body.Length, body));
}
Send(buffer);
}
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason) {}
/// <summary>
/// Initializes a new instance of the <see cref="HttpException"/> class.
/// </summary>
/// <param name="code">HTTP status code.</param>
/// <param name="errMsg">Exception description.</param>
/// <param name="inner">Inner exception.</param>
protected HttpException(HttpStatusCode code, string errMsg, Exception inner)
: base(errMsg, inner)
{
Code = code;
}
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason) {Console.WriteLine("xx");}
void _Fail(HttpStatusCode code)
{
var response = string.Format("HTTP/1.1 {0} {1}\r\nContent-Length: 0\r\n\r\n", (int)code, _Utils.Stringify(code));
var responsebytes = Encoding.UTF8.GetBytes(response);
_state = _State.Failure;
_writeoff = 0;
_writecount = responsebytes.Length;
_writebytes = responsebytes;
}
/// <summary>
/// Send a response.
/// </summary>
/// <param name="httpVersion">Either <see cref="HttpHelper.HTTP10"/> or <see cref="HttpHelper.HTTP11"/></param>
/// <param name="statusCode">HTTP status code</param>
/// <param name="reason">reason for the status code.</param>
/// <param name="body">HTML body contents, can be null or empty.</param>
/// <param name="contentType">A content type to return the body as, i.e. 'text/html' or 'text/plain', defaults to 'text/html' if null or empty</param>
/// <exception cref="ArgumentException">If <paramref name="httpVersion"/> is invalid.</exception>
public void Respond(string httpVersion, HttpStatusCode statusCode, string reason, string body, string contentType)
{
if (string.IsNullOrEmpty(contentType))
contentType = "text/html";
if (string.IsNullOrEmpty(httpVersion) || !httpVersion.StartsWith("HTTP/1"))
throw new ArgumentException("Invalid HTTP version");
if (string.IsNullOrEmpty(reason))
reason = statusCode.ToString();
string response = string.IsNullOrEmpty(body)
? httpVersion + " " + (int) statusCode + " " + reason + "\r\n\r\n"
: string.Format("{0} {1} {2}\r\nContent-Type: {5}\r\nContent-Length: {3}\r\n\r\n{4}",
httpVersion, (int) statusCode, reason ?? statusCode.ToString(),
body.Length, body, contentType);
byte[] buffer = Encoding.ASCII.GetBytes(response);
Send(buffer);
}
void _Respond(HttpStatusCode status, string body)
{
_Respond(status, Encoding.UTF8.GetBytes(body));
}
/// <summary>
/// Generate a HTTP error page (that will be added to the response body).
/// response status code is also set.
/// </summary>
/// <param name="response">Response that the page will be generated in.</param>
/// <param name="error"><see cref="HttpStatusCode"/>.</param>
/// <param name="body">response body contents.</param>
protected virtual void ErrorPage(IHttpResponse response, HttpStatusCode error, string body)
{
response.Reason = "Internal server error";
response.Status = error;
response.ContentType = "text/plain";
StreamWriter writer = new StreamWriter(response.Body);
writer.WriteLine(body);
writer.Flush();
}
void _Respond(HttpStatusCode status)
{
_Respond(status, new byte[0]);
}
