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http server change remote endpoint handling

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This commit is contained in:
UbitUmarov
2020-04-11 19:57:34 +01:00
parent 7ce9f890b1
commit f95925e0fd
6 changed files with 77 additions and 45 deletions
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19
OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpClientContext.cs
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@@ -89,6 +89,8 @@ namespace OSHttpServer
/// </summary>
public event EventHandler Started;
public IPEndPoint LocalRemoteEndPoint {get; set;}
/// <summary>
/// Initializes a new instance of the <see cref="HttpClientContext"/> class.
/// </summary>
@@ -105,8 +107,7 @@ namespace OSHttpServer
if (!stream.CanWrite || !stream.CanRead)
throw new ArgumentException("Stream must be writable and readable.");
RemoteAddress = remoteEndPoint.Address.ToString();
RemotePort = remoteEndPoint.Port.ToString();
LocalRemoteEndPoint = remoteEndPoint;
_log = NullLogWriter.Instance;
m_parser = parserFactory.CreateParser(_log);
m_parser.RequestCompleted += OnRequestCompleted;
@@ -185,8 +186,8 @@ namespace OSHttpServer
m_currentRequest.Method = e.HttpMethod;
m_currentRequest.HttpVersion = e.HttpVersion;
m_currentRequest.UriPath = e.UriPath;
m_currentRequest.AddHeader("remote_addr", RemoteAddress);
m_currentRequest.AddHeader("remote_port", RemotePort);
m_currentRequest.AddHeader("remote_addr", LocalRemoteEndPoint.Address.ToString());
m_currentRequest.AddHeader("remote_port", LocalRemoteEndPoint.Port.ToString());
FirstRequestLineReceived = true;
TriggerKeepalive = false;
@@ -290,16 +291,6 @@ namespace OSHttpServer
set { m_stream = value; }
}
/// <summary>
/// Gets or sets IP address that the client connected from.
/// </summary>
internal string RemoteAddress { get; set; }
/// <summary>
/// Gets or sets port that the client connected from.
/// </summary>
internal string RemotePort { get; set; }
/// <summary>
/// Disconnect from client
/// </summary>

3
OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpContextFactory.cs
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@@ -54,8 +54,7 @@ namespace OSHttpServer
context.Stream = stream;
context.IsSecured = isSecured;
context.RemotePort = endPoint.Port.ToString();
context.RemoteAddress = endPoint.Address.ToString();
context.LocalRemoteEndPoint = endPoint;
ContextTimeoutManager.StartMonitoringContext(context);
m_activeContexts[context.contextID] = context;
context.Start();

67
OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequest.cs
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@@ -1,6 +1,7 @@
using System;
using System.Collections.Specialized;
using System.IO;
using System.Net;
using System.Text;
using System.Web;
using OSHttpServer.Exceptions;
@@ -31,6 +32,7 @@ namespace OSHttpServer
private Uri m_uri = null;
private string m_uriPath;
public readonly IHttpClientContext m_context;
IPEndPoint m_remoteIPEndPoint = null;
public HttpRequest(IHttpClientContext pContext)
{
@@ -268,6 +270,33 @@ namespace OSHttpServer
{
Cookies = cookies;
}
public IPEndPoint RemoteIPEndPoint
{
get
{
if(m_remoteIPEndPoint == null)
{
string addr = m_headers["x-forwarded-for"];
if(!string.IsNullOrEmpty(addr))
{
int port = m_context.LocalRemoteEndPoint.Port;
try
{
m_remoteIPEndPoint = new IPEndPoint(IPAddress.Parse(addr), port);
}
catch
{
m_remoteIPEndPoint = null;
}
}
}
if (m_remoteIPEndPoint == null)
m_remoteIPEndPoint = m_context.LocalRemoteEndPoint;
return m_remoteIPEndPoint;
}
}
/*
/// <summary>
/// Create a response object.
@@ -306,8 +335,7 @@ namespace OSHttpServer
AcceptTypes[i] = AcceptTypes[i].Trim();
break;
case "content-length":
int t;
if (!int.TryParse(value, out t))
if (!int.TryParse(value, out int t))
throw new BadRequestException("Invalid content length.");
ContentLength = t;
break; //todo: maybe throw an exception
@@ -323,11 +351,44 @@ namespace OSHttpServer
}
break;
case "remote_addr":
// to prevent hacking (since it's added by IHttpClientContext before parsing).
if (m_headers[name] == null)
m_headers.Add(name, value);
break;
case "forwarded":
string[] parts = value.Split(new char[]{';'});
string addr = string.Empty;
for(int i = 0; i < parts.Length; ++i)
{
string s = parts[i].TrimStart();
if(s.Length < 10)
continue;
if(s.StartsWith("for", StringComparison.InvariantCultureIgnoreCase))
{
int indx = s.IndexOf("=", 3);
if(indx < 0 || indx >= s.Length - 1)
continue;
s = s.Substring(indx);
addr = s.Trim();
}
}
if(addr.Length > 7)
{
m_headers.Add("x-forwarded-for", addr);
}
break;
case "x-forwarded-for":
if (value.Length > 7)
{
string[] xparts = value.Split(new char[]{','});
if(xparts.Length > 0)
{
string xs = xparts[0].Trim();
if(xs.Length > 7)
m_headers.Add("x-forwarded-for", xs);
}
}
break;
case "connection":
if (string.Compare(value, "close", true) == 0)
Connection = ConnectionType.Close;

2
OpenSim/Framework/Servers/HttpServer/OSHttpServer/IHttpClientContext.cs
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@@ -16,6 +16,8 @@ namespace OSHttpServer
/// </summary>
string SSLCommonName { get; }
IPEndPoint LocalRemoteEndPoint {get; set;}
/// <summary>
/// Using SSL or other encryption method.
/// </summary>

5
OpenSim/Framework/Servers/HttpServer/OSHttpServer/IHttpRequest.cs
View File

@@ -1,6 +1,7 @@
using System;
using System.Collections.Specialized;
using System.IO;
using System.Net;
using OSHttpServer.Exceptions;
namespace OSHttpServer
@@ -8,7 +9,7 @@ namespace OSHttpServer
/// <summary>
/// Contains server side HTTP request information.
/// </summary>
public interface IHttpRequest : ICloneable
public interface IHttpRequest
{
/// <summary>
/// Gets kind of types accepted by the client.
@@ -134,5 +135,7 @@ namespace OSHttpServer
/// </summary>
/// <param name="cookies">The cookies.</param>
void SetCookies(RequestCookies cookies);
IPEndPoint RemoteIPEndPoint { get; }
}
}