public RequestHandler(Application application_, HTTPRequest request_, Dictionary<string, object> kwargs)
{
//def __init__(self, application, request, **kwargs):
//super(RequestHandler, self).__init__()
application = application_;
request = request_;
_headers_written = false;
_finished = false;
_auto_finish = true;
_transforms = null; // will be set in _execute
//todo implement
/*self.ui = ObjectDict((n, self._ui_method(m)) for n, m in
application.ui_methods.iteritems())*/
// UIModules are available as both `modules` and `_modules` in the
// template namespace. Historically only `modules` was available
// but could be clobbered by user additions to the namespace.
// The template {% module %} directive looks in `_modules` to avoid
// possible conflicts.
/*self.ui["_modules"] = ObjectDict((n, self._ui_module(n, m)) for n, m in
application.ui_modules.iteritems())
self.ui["modules"] = self.ui["_modules"]*/
clear();
// Check since connection is not available in WSGI
if (request.connection != null)
request.connection.stream.set_close_callback(on_connection_close);
initialize(kwargs);
}
private List<URLSpec> _get_host_handlers(HTTPRequest request)
{
var host = request.host.ToLowerInvariant().Split(':')[0];
foreach (var handler in handlers)
{
var pattern = handler.Item1;
var handlers_ = handler.Item2;
if (pattern.IsMatch(host))
return handlers_;
}
// Look for default host if not behind load balancer (for debugging)
if (!request.headers.ContainsKey("X-Real-Ip"))
foreach (var handler in handlers)
{
var pattern = handler.Item1;
var handlers_ = handler.Item2;
if (pattern.IsMatch(default_host))
return handlers_;
}
return null;
}
public ChunkedTransferEncoding(HTTPRequest request)
: base(request)
{
_chunking = request.supports_http_1_1();
}
/*A transform modifies the result of an HTTP request (e.g., GZip encoding)
A new transform instance is created for every request. See the
ChunkedTransferEncoding example below if you want to implement a
new Transform.
*/
public OutputTransform(HTTPRequest request)
{
}
public GZipContentEncoding(HTTPRequest request)
: base(request)
{
_gzipping = request.supports_http_1_1() &&
request.headers.get("Accept-Encoding", "").Contains("gzip");
}
public StaticFileHandler(Application application_, HTTPRequest request_, Dictionary<string, object> kwargs)
: base(application_, request_, kwargs)
{
}
public RequestHandler Call(HTTPRequest request)
{
// Called by HTTPServer to execute the request.
var transforms_ = transforms.Select(t => t(request)).ToList();
RequestHandler handler = null;
var args = new List<string>();
var kwargs = new Dictionary<string, string>();
var handlers_ = _get_host_handlers(request);
if (handlers == null || !handlers.Any())
handler = new RedirectHandler(this,
request, new Dictionary<string, object>(){{"url", "http://" + default_host + "/"}});
else
{
foreach (var spec in handlers_)
{
var match = spec.regex.IsMatch(request.path);
if (match)
{
handler = spec.handler_class(this, request, spec.kwargs);
// todo implement args
/*if spec.regex.groups:
// None-safe wrapper around url_unescape to handle
// unmatched optional groups correctly
def unquote(s):
if s is None:
return s
return escape.url_unescape(s, encoding=None)
// Pass matched groups to the handler. Since
// match.groups() includes both named and unnamed groups,
// we want to use either groups or groupdict but not both.
// Note that args are passed as bytes so the handler can
// decide what encoding to use.
if spec.regex.groupindex:
kwargs = dict(
(str(k), unquote(v))
for (k, v) in match.groupdict().iteritems())
else:
args = [unquote(s) for s in match.groups()]*/
break;
}
}
if (handler == null)
handler = new ErrorHandler(this, request, new Dictionary<string, object>{{"status_code", 404}});
}
// In debug mode, re-compile templates and reload static files on every
// request so you don't need to restart to see changes
/*if self.settings.get("debug"):
with RequestHandler._template_loader_lock:
for loader in RequestHandler._template_loaders.values():
loader.reset()
StaticFileHandler.reset()*/
handler._execute(transforms_, args, kwargs);
return handler;
}
private void _on_headers(byte[] data_)
{
try
{
string data = UTF8Encoding.UTF8.GetString(data_);
var eol = data.IndexOf("\r\n");
var start_line = data.Substring(0, eol);
string method, uri, version;
try
{
// method, uri, version = start_line.Split(' ');
var split = start_line.Split(' ');
method = split[0]; uri = split[1]; version = split[2];
}
catch(Exception ex) // except ValueError:
{
throw new _BadRequestException("Malformed HTTP request line");
}
if (!version.StartsWith("HTTP/"))
throw new _BadRequestException("Malformed HTTP version in HTTP Request-Line");
var headers = HTTPHeaders.parse(data.Substring(eol));
// HTTPRequest wants an IP, not a full socket address
var remote_ip = "";
if (stream.socket.AddressFamily == AddressFamily.InterNetwork ||
stream.socket.AddressFamily == AddressFamily.InterNetworkV6)
// Jython 2.5.2 doesn't have the socket.family attribute,
// so just assume IP in that case.
remote_ip = address.Address.ToString();
else
// Unix (or other) socket; fake the remote address
remote_ip = "0.0.0.0";
_request = new HTTPRequest(
connection_: this, method_: method, uri_: uri, version_: version,
headers_: headers, remote_ip_: remote_ip);
var content_length_ = headers.get("Content-Length");
if (content_length_ != null)
{
var content_length = int.Parse(content_length_);
if (content_length > stream.max_buffer_size)
throw new _BadRequestException("Content-Length too long");
if (headers.get("Expect") == "100-continue")
stream.write(UTF8Encoding.UTF8.GetBytes("HTTP/1.1 100 (Continue)\r\n\r\n"));
stream.read_bytes(content_length, _on_request_body);
return;
}
request_callback(_request);
}
catch(Exception ex)
{
logging.info(string.Format("Malformed HTTP request from {0}: {1}", address, ex));
close();
return;
}
}
public void _finish_request()
{
bool disconnect = false;
if (no_keep_alive)
disconnect = true;
else
{
var connection_header = _request.headers.get("Connection");
if (connection_header != null)
connection_header = connection_header.ToLowerInvariant();
if (_request.supports_http_1_1())
disconnect = (connection_header == "close");
else if (_request.headers.ContainsKey("Content-Length") ||
(_request.method == "HEAD" || _request.method == "GET"))
disconnect = (connection_header != "keep-alive");
else
disconnect = true;
}
_request = null;
_request_finished = false;
if (disconnect)
{
close();
return;
}
stream.read_until(Encoding.UTF8.GetBytes("\r\n\r\n"), _header_callback);
}
public HTTPConnection(IOStream stream_, IPEndPoint address_, Func<HTTPRequest, RequestHandler> request_callback_, bool no_keep_alive_ = false, bool xheaders_ = false)
{
stream = stream_;
address = address_;
request_callback = request_callback_;
no_keep_alive = no_keep_alive_;
xheaders = xheaders_;
_request = null;
_request_finished = false;
// Save stack context here, outside of any request. This keeps
// contexts from one request from leaking into the next.
_header_callback = _on_headers; //stack_context.wrap(self._on_headers);
stream.read_until(Encoding.UTF8.GetBytes("\r\n\r\n"), _header_callback);
_write_callback = null;
}
