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//
// System.Net.HttpListenerContext
//
// Author:
// Gonzalo Paniagua Javier (gonzalo@novell.com)
//
// Copyright (c) 2005 Novell, Inc. (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections.Specialized;
using System.IO;
using System.Security.Principal;
using System.Text;
using System.Threading.Tasks;
using System.Net.WebSockets;
namespace System.Net {
public sealed class HttpListenerContext {
HttpListenerRequest request;
HttpListenerResponse response;
IPrincipal user;
HttpConnection cnc;
string error;
int err_status = 400;
internal HttpListener Listener;
internal HttpListenerContext (HttpConnection cnc)
{
this.cnc = cnc;
request = new HttpListenerRequest (this);
response = new HttpListenerResponse (this);
}
internal int ErrorStatus {
get { return err_status; }
set { err_status = value; }
}
internal string ErrorMessage {
get { return error; }
set { error = value; }
}
internal bool HaveError {
get { return (error != null); }
}
internal HttpConnection Connection {
get { return cnc; }
}
public HttpListenerRequest Request {
get { return request; }
}
public HttpListenerResponse Response {
get { return response; }
}
public IPrincipal User {
get { return user; }
}
internal void ParseAuthentication (AuthenticationSchemes expectedSchemes) {
if (expectedSchemes == AuthenticationSchemes.Anonymous)
return;
// TODO: Handle NTLM/Digest modes
string header = request.Headers ["Authorization"];
if (header == null || header.Length < 2)
return;
string [] authenticationData = header.Split (new char [] {' '}, 2);
if (string.Compare (authenticationData [0], "basic", true) == 0) {
user = ParseBasicAuthentication (authenticationData [1]);
}
// TODO: throw if malformed -> 400 bad request
}
internal IPrincipal ParseBasicAuthentication (string authData) {
try {
// Basic AUTH Data is a formatted Base64 String
//string domain = null;
string user = null;
string password = null;
int pos = -1;
string authString = System.Text.Encoding.Default.GetString (Convert.FromBase64String (authData));
// The format is DOMAIN\username:password
// Domain is optional
pos = authString.IndexOf (':');
// parse the password off the end
password = authString.Substring (pos+1);
// discard the password
authString = authString.Substring (0, pos);
// check if there is a domain
pos = authString.IndexOf ('\\');
if (pos > 0) {
//domain = authString.Substring (0, pos);
user = authString.Substring (pos);
} else {
user = authString;
}
HttpListenerBasicIdentity identity = new HttpListenerBasicIdentity (user, password);
// TODO: What are the roles MS sets
return new GenericPrincipal (identity, new string [0]);
} catch (Exception) {
// Invalid auth data is swallowed silently
return null;
}
}
[MonoTODO]
public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync (string subProtocol)
{
throw new NotImplementedException ();
}
[MonoTODO]
public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync (string subProtocol, TimeSpan keepAliveInterval)
{
throw new NotImplementedException ();
}
[MonoTODO]
public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync (string subProtocol, int receiveBufferSize, TimeSpan keepAliveInterval)
{
throw new NotImplementedException ();
}
[MonoTODO]
public Task<HttpListenerWebSocketContext> AcceptWebSocketAsync (string subProtocol, int receiveBufferSize, TimeSpan keepAliveInterval, ArraySegment<byte> internalBuffer)
{
throw new NotImplementedException ();
}
}
}
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