public void Read_PastEndOfStream_ReturnsAmountRead()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Seek (-1, SeekOrigin.End);
int amount_read = stream.Read (buffer, 0, 2);
Assert.AreEqual (1, amount_read);
}
public void Read_ReadLastItem_UpdatesPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Seek (-1, SeekOrigin.End);
stream.Read (buffer, 0, 1);
long position = stream.Position;
Assert.AreEqual (10, position);
}
public HttpResponse(IHttpTransaction transaction, IOStream stream)
{
Transaction = transaction;
IOStream = stream;
StatusCode = 200;
WriteHeaders = true;
Headers = new HttpHeaders ();
Stream = new HttpResponseStream (this, IOStream);
Stream.Chunked = (transaction.Request.MajorVersion > 0 && transaction.Request.MinorVersion > 0);
}
public void Insert_BeginningOfStream_SetsCorrectPosition()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [10];
stream.Write (write_buffer, 0, 10);
stream.Position = 0;
stream.Insert (write_buffer, 0, 5);
var position = stream.Position;
Assert.AreEqual (5, position);
}
public void Insert_BeginningOfStream_SetsCorrectLength()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [10];
stream.Write (write_buffer, 0, 10);
stream.Position = 0;
stream.Insert (write_buffer, 0, 10);
var length = stream.Length;
Assert.AreEqual (20, length);
}
public void Read_MultipleBuffers_UpdatesPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Seek (15, SeekOrigin.Begin);
stream.Read (buffer, 0, 5);
long position = stream.Position;
Assert.AreEqual (20, position);
}
public HttpResponse(IHttpTransaction transaction)
{
Transaction = transaction;
StatusCode = 200;
WriteHeaders = true;
Headers = new HttpHeaders ();
Stream = new HttpResponseStream ();
Writer = new StreamWriter (Stream);
Cookies = new Dictionary<string, HttpCookie> ();
SetStandardHeaders ();
}
public void Read_SingleBuffer_CorrectData()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [3];
var read_buffer = new byte [1];
write_buffer [2] = 0xFA;
stream.Write (write_buffer, 0, 3);
stream.Seek (-1, SeekOrigin.End);
stream.Read (read_buffer, 0, 1);
byte read_byte = read_buffer [0];
Assert.AreEqual (0xFA, read_byte);
}
public HttpResponse(IHttpTransaction transaction, Encoding encoding)
{
Transaction = transaction;
Encoding = encoding;
StatusCode = 200;
WriteHeaders = true;
WriteStatusLine = true;
Headers = new HttpHeaders ();
Stream = new HttpResponseStream ();
Cookies = new Dictionary<string, HttpCookie> ();
SetStandardHeaders ();
}
public void Insert_BeginningOfStream_SetsCorrectData()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [10];
var write_buffer2 = new byte [10];
stream.Write (write_buffer, 0, 10);
stream.Position = 0;
write_buffer2 [2] = 0xFA;
stream.Insert (write_buffer2, 0, 10);
stream.Position = 2;
var data = stream.ReadByte ();
Assert.AreEqual (0xFA, data);
}
public HttpResponse(IHttpTransaction transaction, IOStream stream)
{
Transaction = transaction;
IOStream = stream;
StatusCode = 200;
WriteHeaders = true;
Headers = new HttpHeaders ();
Stream = new HttpResponseStream (this, IOStream);
Stream.Chunked = (transaction.Request.MajorVersion > 0 && transaction.Request.MinorVersion > 0);
end_watcher = new AsyncWatcher (IOLoop.Instance.EventLoop, OnEnd);
end_watcher.Start ();
}
public void Read_MultipleBuffers_CorrectData()
{
var stream = new HttpResponseStream ();
var write_buffer1 = new byte [3];
var write_buffer2 = new byte [3];
var read_buffer = new byte [6];
stream.Write (write_buffer1, 0, 3);
write_buffer2 [0] = 0xFA;
stream.Write (write_buffer2, 0, 3);
stream.Seek (0, SeekOrigin.Begin);
stream.Read (read_buffer, 0, 6);
byte read_byte = read_buffer [3];
Assert.AreEqual (0xFA, read_byte);
}
public WebSocketHttpListenerDuplexStream(HttpRequestStream inputStream,
HttpResponseStream outputStream,
HttpListenerContext context)
{
Debug.Assert(inputStream != null, "'inputStream' MUST NOT be NULL.");
Debug.Assert(outputStream != null, "'outputStream' MUST NOT be NULL.");
Debug.Assert(context != null, "'context' MUST NOT be NULL.");
Debug.Assert(inputStream.CanRead, "'inputStream' MUST support read operations.");
Debug.Assert(outputStream.CanWrite, "'outputStream' MUST support write operations.");
_inputStream = inputStream;
_outputStream = outputStream;
_context = context;
if (NetEventSource.IsEnabled)
{
NetEventSource.Associate(inputStream, this);
NetEventSource.Associate(outputStream, this);
}
}
public void Seek_SeekToBeginningOfEmptyStream_SetsPosition()
{
var stream = new HttpResponseStream ();
stream.Seek (0, SeekOrigin.Begin);
var position = stream.Position;
Assert.AreEqual (0, position);
}
public void SetLength_EqualToCurrentLength_LengthStaysTheSame()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.SetLength (20);
long length = stream.Length;
Assert.AreEqual (20, length);
}
public void CanWriteReturnsTrue()
{
var stream = new HttpResponseStream(Mock.Of <IHttpBodyControlFeature>(), new MockHttpResponseControl());
Assert.True(stream.CanWrite);
}
public void Seek_FromEnd_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Seek (-3, SeekOrigin.End);
long pos = stream.Position;
Assert.AreEqual (7, pos);
}
public void Write_InFirstBufferOfTwoBufferStream_SetsCorrectLength()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [5];
stream.Write (write_buffer, 0, 5);
stream.Write (write_buffer, 0, 5);
stream.Seek (-6, SeekOrigin.End);
stream.Write (write_buffer, 0, 5);
var length = stream.Length;
Assert.AreEqual (10, length);
}
public void SetLengthThrows()
{
var stream = new HttpResponseStream(Mock.Of <IHttpBodyControlFeature>(), new MockHttpResponseControl());
Assert.Throws <NotSupportedException>(() => stream.SetLength(0));
}
public HttpStreams(Stream request, IHttpResponseControl httpResponseControl)
{
_request = new HttpStreamRequestStream(request);
_response = new HttpResponseStream(httpResponseControl);
}
public void Write_AcrossEntireMiddleBufferOfThreeBufferStream_SetsCorrectLength()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [5];
var write_buffer2 = new byte [6];
stream.Write (write_buffer, 0, 5);
stream.Write (write_buffer, 0, 5);
stream.Write (write_buffer, 0, 5);
stream.Seek (2, SeekOrigin.Begin);
stream.Write (write_buffer2, 0, 6);
var length = stream.Length;
Assert.AreEqual (15, length);
}
void System.Web.IHttpHandler.ProcessRequest(HttpContext context)
#endif
{
HttpRequest request = context.Request;
// val is URL-encoded, which means every + has been replaced with ' ', we
// need to revert that or the base64 conversion will fail.
string d = request.QueryString ["d"];
if (!String.IsNullOrEmpty(d))
{
d = d.Replace(' ', '+');
}
AssemblyEmbeddedResources entry;
EmbeddedResource res = DecryptAssemblyResource(d, out entry);
WebResourceAttribute wra = res != null ? res.Attribute : null;
if (wra == null)
{
throw new HttpException(404, "Resource not found");
}
Assembly assembly;
if (entry.AssemblyName == "s")
{
assembly = currAsm;
}
else
{
assembly = Assembly.Load(entry.AssemblyName);
}
HttpResponse response = context.Response;
string req_cache = request.Headers ["Cache-Control"];
if (String.Compare(req_cache, "max-age=0", StringComparison.Ordinal) == 0)
{
long atime;
if (Int64.TryParse(request.QueryString ["t"], out atime))
{
if (atime == File.GetLastWriteTimeUtc(assembly.Location).Ticks)
{
response.Clear();
response.StatusCode = 304;
response.ContentType = null;
response.CacheControl = "public"; // easier to set it to public as MS than remove it
context.ApplicationInstance.CompleteRequest();
return;
}
}
}
string modif_since = request.Headers ["If-Modified-Since"];
if (!String.IsNullOrEmpty(modif_since))
{
try {
DateTime modif;
if (DateTime.TryParseExact(modif_since, "r", null, 0, out modif))
{
if (File.GetLastWriteTimeUtc(assembly.Location) <= modif)
{
response.Clear();
response.StatusCode = 304;
response.ContentType = null;
response.CacheControl = "public"; // easier to set it to public as MS than remove it
context.ApplicationInstance.CompleteRequest();
return;
}
}
} catch {}
}
response.ContentType = wra.ContentType;
DateTime utcnow = DateTime.UtcNow;
response.Headers.Add("Last-Modified", utcnow.ToString("r"));
response.ExpiresAbsolute = utcnow.AddYears(1);
response.CacheControl = "public";
Stream s = assembly.GetManifestResourceStream(res.Name);
if (s == null)
{
throw new HttpException(404, "Resource " + res.Name + " not found");
}
if (wra.PerformSubstitution)
{
using (StreamReader r = new StreamReader(s)) {
TextWriter w = response.Output;
new PerformSubstitutionHelper(assembly).PerformSubstitution(r, w);
}
}
else if (response.OutputStream is HttpResponseStream)
{
UnmanagedMemoryStream st = (UnmanagedMemoryStream)s;
HttpResponseStream hstream = (HttpResponseStream)response.OutputStream;
unsafe {
hstream.WritePtr(new IntPtr(st.PositionPointer), (int)st.Length);
}
}
else
{
byte [] buf = new byte [1024];
Stream output = response.OutputStream;
int c;
do
{
c = s.Read(buf, 0, 1024);
output.Write(buf, 0, c);
} while (c > 0);
}
#if SYSTEM_WEB_EXTENSIONS
TextWriter writer = response.Output;
foreach (ScriptResourceAttribute sra in assembly.GetCustomAttributes(typeof(ScriptResourceAttribute), false))
{
if (String.Compare(sra.ScriptName, res.Name, StringComparison.Ordinal) == 0)
{
string scriptResourceName = sra.ScriptResourceName;
ResourceSet rset = null;
try {
rset = new ResourceManager(scriptResourceName, assembly).GetResourceSet(Threading.Thread.CurrentThread.CurrentUICulture, true, true);
}
catch (MissingManifestResourceException) {
#if TARGET_JVM // GetResourceSet does not throw MissingManifestResourceException if ressource is not exists
}
if (rset == null)
{
#endif
if (scriptResourceName.EndsWith(".resources"))
{
scriptResourceName = scriptResourceName.Substring(0, scriptResourceName.Length - 10);
rset = new ResourceManager(scriptResourceName, assembly).GetResourceSet(Threading.Thread.CurrentThread.CurrentUICulture, true, true);
}
#if !TARGET_JVM
else
{
throw;
}
#endif
}
if (rset == null)
{
break;
}
writer.WriteLine();
string ns = sra.TypeName;
int indx = ns.LastIndexOf('.');
if (indx > 0)
{
writer.WriteLine("Type.registerNamespace('" + ns.Substring(0, indx) + "')");
}
writer.Write("{0}={{", sra.TypeName);
bool first = true;
foreach (DictionaryEntry de in rset)
{
string value = de.Value as string;
if (value != null)
{
if (first)
{
first = false;
}
else
{
writer.Write(',');
}
writer.WriteLine();
writer.Write("{0}:{1}", GetScriptStringLiteral((string)de.Key), GetScriptStringLiteral(value));
}
}
writer.WriteLine();
writer.WriteLine("};");
break;
}
}
bool notifyScriptLoaded = request.QueryString ["n"] == "t";
if (notifyScriptLoaded)
{
writer.WriteLine();
writer.WriteLine("if(typeof(Sys)!=='undefined')Sys.Application.notifyScriptLoaded();");
}
#endif
}
public void BeginReadThrows()
{
var stream = new HttpResponseStream(Mock.Of <IHttpBodyControlFeature>(), new MockHttpResponseControl());
Assert.Throws <NotSupportedException>(() => stream.BeginRead(new byte[1], 0, 1, null, null));
}
public AsyncHttpRequest(HttpWebRequest request, TextWriter logWriter, bool debug, Stopwatch stopwatch, HttpResponseStream responseStreamCallback)
{
m_request = request;
m_responseStream = responseStreamCallback;
m_logWriter = logWriter;
m_DEBUG = debug;
m_stopwatch = stopwatch;
if (DEBUG)
{
m_stopwatch.Start();
}
if (DEBUG)
{
m_logWriter.WriteLine("Beginning call to {0} on thread: {1}", request.RequestUri, Thread.CurrentThread.ManagedThreadId);
}
request.BeginGetResponse(RequestIsComplete, request);
}
private static async Task <HttpListenerWebSocketContext> AcceptWebSocketAsyncCore(HttpListenerContext context,
string?subProtocol,
int receiveBufferSize,
TimeSpan keepAliveInterval,
ArraySegment <byte> internalBuffer)
{
HttpListenerWebSocketContext?webSocketContext = null;
try
{
// get property will create a new response if one doesn't exist.
HttpListenerResponse response = context.Response;
HttpListenerRequest request = context.Request;
ValidateWebSocketHeaders(context);
string?secWebSocketVersion = request.Headers[HttpKnownHeaderNames.SecWebSocketVersion];
// Optional for non-browser client
string?origin = request.Headers[HttpKnownHeaderNames.Origin];
List <string> secWebSocketProtocols = new List <string>();
string outgoingSecWebSocketProtocolString;
bool shouldSendSecWebSocketProtocolHeader =
ProcessWebSocketProtocolHeader(
request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol],
subProtocol,
out outgoingSecWebSocketProtocolString);
if (shouldSendSecWebSocketProtocolHeader)
{
secWebSocketProtocols.Add(outgoingSecWebSocketProtocolString);
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketProtocol,
outgoingSecWebSocketProtocolString);
}
// negotiate the websocket key return value
string?secWebSocketKey = request.Headers[HttpKnownHeaderNames.SecWebSocketKey];
string secWebSocketAccept = HttpWebSocket.GetSecWebSocketAcceptString(secWebSocketKey);
response.Headers.Add(HttpKnownHeaderNames.Connection, HttpKnownHeaderNames.Upgrade);
response.Headers.Add(HttpKnownHeaderNames.Upgrade, WebSocketUpgradeToken);
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept);
response.StatusCode = (int)HttpStatusCode.SwitchingProtocols; // HTTP 101
response.ComputeCoreHeaders();
ulong hresult = SendWebSocketHeaders(response);
if (hresult != 0)
{
throw new WebSocketException((int)hresult,
SR.Format(SR.net_WebSockets_NativeSendResponseHeaders,
nameof(AcceptWebSocketAsync),
hresult));
}
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Info(null, $"{HttpKnownHeaderNames.Origin} = {origin}");
NetEventSource.Info(null, $"{HttpKnownHeaderNames.SecWebSocketVersion} = {secWebSocketVersion}");
NetEventSource.Info(null, $"{HttpKnownHeaderNames.SecWebSocketKey} = {secWebSocketKey}");
NetEventSource.Info(null, $"{HttpKnownHeaderNames.SecWebSocketAccept} = {secWebSocketAccept}");
NetEventSource.Info(null, $"{HttpKnownHeaderNames.SecWebSocketProtocol} = {request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol]}");
NetEventSource.Info(null, $"{HttpKnownHeaderNames.SecWebSocketProtocol} = {outgoingSecWebSocketProtocolString}");
}
await response.OutputStream.FlushAsync().SuppressContextFlow();
HttpResponseStream responseStream = (response.OutputStream as HttpResponseStream) !;
Debug.Assert(responseStream != null, "'responseStream' MUST be castable to System.Net.HttpResponseStream.");
((HttpResponseStream)response.OutputStream).SwitchToOpaqueMode();
HttpRequestStream requestStream = new HttpRequestStream(context);
requestStream.SwitchToOpaqueMode();
WebSocketHttpListenerDuplexStream webSocketStream =
new WebSocketHttpListenerDuplexStream(requestStream, responseStream, context);
WebSocket webSocket = ServerWebSocket.Create(webSocketStream,
subProtocol,
receiveBufferSize,
keepAliveInterval,
internalBuffer);
webSocketContext = new HttpListenerWebSocketContext(
request.Url !,
request.Headers,
request.Cookies,
context.User !,
request.IsAuthenticated,
request.IsLocal,
request.IsSecureConnection,
origin !,
secWebSocketProtocols.AsReadOnly(),
secWebSocketVersion !,
secWebSocketKey !,
webSocket);
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Associate(context, webSocketContext);
NetEventSource.Associate(webSocketContext, webSocket);
}
}
catch (Exception ex)
{
if (NetEventSource.Log.IsEnabled())
{
NetEventSource.Error(context, ex);
}
throw;
}
return(webSocketContext);
}
internal static async Task <HttpListenerWebSocketContext> AcceptWebSocketAsyncCore(HttpListenerContext context,
string subProtocol,
int receiveBufferSize,
TimeSpan keepAliveInterval,
ArraySegment <byte>?internalBuffer = null)
{
ValidateOptions(subProtocol, receiveBufferSize, MinSendBufferSize, keepAliveInterval);
// get property will create a new response if one doesn't exist.
HttpListenerResponse response = context.Response;
HttpListenerRequest request = context.Request;
ValidateWebSocketHeaders(context);
string secWebSocketVersion = request.Headers[HttpKnownHeaderNames.SecWebSocketVersion];
// Optional for non-browser client
string origin = request.Headers[HttpKnownHeaderNames.Origin];
string[] secWebSocketProtocols = null;
string outgoingSecWebSocketProtocolString;
bool shouldSendSecWebSocketProtocolHeader =
ProcessWebSocketProtocolHeader(
request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol],
subProtocol,
out outgoingSecWebSocketProtocolString);
if (shouldSendSecWebSocketProtocolHeader)
{
secWebSocketProtocols = new string[] { outgoingSecWebSocketProtocolString };
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketProtocol, outgoingSecWebSocketProtocolString);
}
// negotiate the websocket key return value
string secWebSocketKey = request.Headers[HttpKnownHeaderNames.SecWebSocketKey];
string secWebSocketAccept = HttpWebSocket.GetSecWebSocketAcceptString(secWebSocketKey);
response.Headers.Add(HttpKnownHeaderNames.Connection, HttpKnownHeaderNames.Upgrade);
response.Headers.Add(HttpKnownHeaderNames.Upgrade, WebSocketUpgradeToken);
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept);
response.StatusCode = (int)HttpStatusCode.SwitchingProtocols; // HTTP 101
response.StatusDescription = HttpStatusDescription.Get(HttpStatusCode.SwitchingProtocols);
HttpResponseStream responseStream = response.OutputStream as HttpResponseStream;
// Send websocket handshake headers
await responseStream.WriteWebSocketHandshakeHeadersAsync().ConfigureAwait(false);
const int MinBufferSize = 14; // from ManagedWebSocket.MaxMessageHeaderLength
Memory <byte> buffer =
internalBuffer.GetValueOrDefault().Count >= MinBufferSize?internalBuffer.GetValueOrDefault() : // use provided buffer if it's big enough
receiveBufferSize >= MinBufferSize ? new byte[receiveBufferSize] : // or use provided size if it's big enough
Memory <byte> .Empty; // or use the default
WebSocket webSocket = WebSocket.CreateFromStream(context.Connection.ConnectedStream, isServer: true, subProtocol, keepAliveInterval, buffer);
HttpListenerWebSocketContext webSocketContext = new HttpListenerWebSocketContext(
request.Url,
request.Headers,
request.Cookies,
context.User,
request.IsAuthenticated,
request.IsLocal,
request.IsSecureConnection,
origin,
secWebSocketProtocols != null ? secWebSocketProtocols : Array.Empty <string>(),
secWebSocketVersion,
secWebSocketKey,
webSocket);
return(webSocketContext);
}
public void SetLength_LessThanSingleBuffer_Truncates()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.SetLength (5);
long length = stream.Length;
Assert.AreEqual (5, length);
}
public void Write_SeekedBackPastLastSegmentWriteOverAll_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
var buffer_big = new byte [25];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Seek (-15, SeekOrigin.Current);
Assert.AreEqual (5, stream.Position);
stream.Write (buffer_big, 0, 25);
long pos = stream.Position;
Assert.AreEqual (30, pos);
}
public void SetLength_MultiBuffer_AddsFiller()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.SetLength (25);
long length = stream.Length;
Assert.AreEqual (25, length);
}
public void Write_TruncatedSegment_SetsLength()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 5);
long len = stream.Length;
Assert.AreEqual (5, len);
}
public async Task ReadAsyncThrows()
{
var stream = new HttpResponseStream(Mock.Of <IHttpBodyControlFeature>(), new MockHttpResponseControl());
await Assert.ThrowsAsync <NotSupportedException>(() => stream.ReadAsync(new byte[1], 0, 1));
}
public void Write_TwoSegments_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
long pos = stream.Position;
Assert.AreEqual (20, pos);
}
public void Write_SeekedBackInLastSegment_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Seek (-5, SeekOrigin.Current);
stream.Write (buffer, 0, 10);
long pos = stream.Position;
Assert.AreEqual (25, pos);
}
public void SeekThrows()
{
var stream = new HttpResponseStream(Mock.Of <IHttpBodyControlFeature>(), new MockHttpResponseControl());
Assert.Throws <NotSupportedException>(() => stream.Seek(0, SeekOrigin.Begin));
}
public void Write_ShorterThanBufferInSingleBuffer_SetsCorrectLength()
{
var stream = new HttpResponseStream ();
var write_buffer = new byte [5];
stream.Write (write_buffer, 0, 5);
stream.Position = 2;
stream.Write (write_buffer, 0, 2);
var length = stream.Length;
Assert.AreEqual (5, length);
}
public void Seek_FromCurrentBackwards_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Seek (-5, SeekOrigin.Current);
long pos = stream.Position;
Assert.AreEqual (15, pos);
}
public void Write_TwoSegments_SetsLength()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
long len = stream.Length;
Assert.AreEqual (20, len);
}
public void Seek_FromEndMultipleBuffersAcrossBoundries_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Seek (-25, SeekOrigin.End);
long pos = stream.Position;
Assert.AreEqual (5, pos);
}
void SendEmbeddedResource(HttpContext context, out EmbeddedResource res, out Assembly assembly)
{
HttpRequest request = context.Request;
NameValueCollection queryString = request.QueryString;
// val is URL-encoded, which means every + has been replaced with ' ', we
// need to revert that or the base64 conversion will fail.
string d = queryString ["d"];
if (!String.IsNullOrEmpty(d))
{
d = d.Replace(' ', '+');
}
AssemblyEmbeddedResources entry;
res = DecryptAssemblyResource(d, out entry);
WebResourceAttribute wra = res != null ? res.Attribute : null;
if (wra == null)
{
throw new HttpException(404, "Resource not found");
}
if (entry.AssemblyName == "s")
{
assembly = currAsm;
}
else
{
assembly = Assembly.Load(entry.AssemblyName);
}
DateTime modified;
if (HasIfModifiedSince(request, out modified))
{
if (File.GetLastWriteTimeUtc(assembly.Location) <= modified)
{
RespondWithNotModified(context);
return;
}
}
HttpResponse response = context.Response;
response.ContentType = wra.ContentType;
DateTime utcnow = DateTime.UtcNow;
response.Headers.Add("Last-Modified", utcnow.ToString("r"));
response.ExpiresAbsolute = utcnow.AddYears(1);
response.CacheControl = "public";
Stream s = assembly.GetManifestResourceStream(res.Name);
if (s == null)
{
throw new HttpException(404, "Resource " + res.Name + " not found");
}
if (wra.PerformSubstitution)
{
using (StreamReader r = new StreamReader(s)) {
TextWriter w = response.Output;
new PerformSubstitutionHelper(assembly).PerformSubstitution(r, w);
}
}
else if (response.OutputStream is HttpResponseStream)
{
UnmanagedMemoryStream st = (UnmanagedMemoryStream)s;
HttpResponseStream hstream = (HttpResponseStream)response.OutputStream;
unsafe {
hstream.WritePtr(new IntPtr(st.PositionPointer), (int)st.Length);
}
}
else
{
byte [] buf = new byte [1024];
Stream output = response.OutputStream;
int c;
do
{
c = s.Read(buf, 0, 1024);
output.Write(buf, 0, c);
} while (c > 0);
}
}
public void CanSeekReturnsFalse()
{
var stream = new HttpResponseStream(Mock.Of <IHttpBodyControlFeature>(), new MockHttpResponseControl());
Assert.False(stream.CanSeek);
}
internal static async Task <HttpListenerWebSocketContext> AcceptWebSocketAsyncCore(HttpListenerContext context,
string?subProtocol,
int receiveBufferSize,
TimeSpan keepAliveInterval,
ArraySegment <byte>?internalBuffer = null)
{
ValidateOptions(subProtocol, receiveBufferSize, MinSendBufferSize, keepAliveInterval);
// get property will create a new response if one doesn't exist.
HttpListenerResponse response = context.Response;
HttpListenerRequest request = context.Request;
ValidateWebSocketHeaders(context);
string?secWebSocketVersion = request.Headers[HttpKnownHeaderNames.SecWebSocketVersion];
// Optional for non-browser client
string?origin = request.Headers[HttpKnownHeaderNames.Origin];
string[]? secWebSocketProtocols = null;
string outgoingSecWebSocketProtocolString;
bool shouldSendSecWebSocketProtocolHeader =
ProcessWebSocketProtocolHeader(
request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol],
subProtocol,
out outgoingSecWebSocketProtocolString);
if (shouldSendSecWebSocketProtocolHeader)
{
secWebSocketProtocols = new string[] { outgoingSecWebSocketProtocolString };
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketProtocol, outgoingSecWebSocketProtocolString);
}
// negotiate the websocket key return value
string?secWebSocketKey = request.Headers[HttpKnownHeaderNames.SecWebSocketKey];
string secWebSocketAccept = HttpWebSocket.GetSecWebSocketAcceptString(secWebSocketKey);
response.Headers.Add(HttpKnownHeaderNames.Connection, HttpKnownHeaderNames.Upgrade);
response.Headers.Add(HttpKnownHeaderNames.Upgrade, WebSocketUpgradeToken);
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept);
response.StatusCode = (int)HttpStatusCode.SwitchingProtocols; // HTTP 101
response.StatusDescription = HttpStatusDescription.Get(HttpStatusCode.SwitchingProtocols) !;
HttpResponseStream responseStream = (response.OutputStream as HttpResponseStream) !;
// Send websocket handshake headers
await responseStream.WriteWebSocketHandshakeHeadersAsync().ConfigureAwait(false);
WebSocket webSocket = WebSocket.CreateFromStream(context.Connection.ConnectedStream, isServer: true, subProtocol, keepAliveInterval);
HttpListenerWebSocketContext webSocketContext = new HttpListenerWebSocketContext(
request.Url !,
request.Headers,
request.Cookies,
context.User !,
request.IsAuthenticated,
request.IsLocal,
request.IsSecureConnection,
origin !,
secWebSocketProtocols ?? Array.Empty <string>(),
secWebSocketVersion !,
secWebSocketKey !,
webSocket);
return(webSocketContext);
}
public void Seek_FromBeginningMultipleSegments_SetsPosition()
{
var stream = new HttpResponseStream ();
var buffer = new byte [10];
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Write (buffer, 0, 10);
stream.Seek (25, SeekOrigin.Begin);
long pos = stream.Position;
Assert.AreEqual (25, pos);
}
/// <summary>
/// Возвращает поток тела сообщения.
/// </summary>
/// <returns>>Если тело сообщения отсутствует, или оно уже было загружено, то будет возвращено значение <see langword="null"/>.</returns>
/// <exception cref="System.InvalidOperationException">Вызов метода из ошибочного ответа.</exception>
/// <exception cref="xNet.Net.HttpException">Ошибка при работе с HTTP-протоколом.</exception>
public Stream ToStream()
{
#region Проверка состояния
if (HasError)
{
throw new InvalidOperationException(
Resources.InvalidOperationException_HttpResponse_HasError);
}
#endregion
if (MessageBodyLoaded)
{
return null;
}
var stream = new HttpResponseStream(_request.ClientStream, _receiverHelper, (ex) =>
{
if (ex != null)
{
HasError = true;
if (ex is IOException || ex is InvalidOperationException)
{
throw NewHttpException(Resources.HttpException_FailedReceiveMessageBody, ex);
}
throw ex;
}
if (ConnectionClosed())
{
_request.Dispose();
}
MessageBodyLoaded = true;
});
if (_headers.ContainsKey("Content-Encoding"))
{
return GetZipStream(stream);
}
return stream;
}
private static async Task <HttpListenerWebSocketContext> AcceptWebSocketAsyncCore(HttpListenerContext context,
string subProtocol,
int receiveBufferSize,
TimeSpan keepAliveInterval,
ArraySegment <byte> internalBuffer)
{
HttpListenerWebSocketContext webSocketContext = null;
if (Logging.On)
{
Logging.Enter(Logging.WebSockets, context, "AcceptWebSocketAsync", "");
}
try
{
// get property will create a new response if one doesn't exist.
HttpListenerResponse response = context.Response;
HttpListenerRequest request = context.Request;
ValidateWebSocketHeaders(context);
string secWebSocketVersion = request.Headers[HttpKnownHeaderNames.SecWebSocketVersion];
// Optional for non-browser client
string origin = request.Headers[HttpKnownHeaderNames.Origin];
List <string> secWebSocketProtocols = new List <string>();
string outgoingSecWebSocketProtocolString;
bool shouldSendSecWebSocketProtocolHeader =
WebSocketHelpers.ProcessWebSocketProtocolHeader(
request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol],
subProtocol,
out outgoingSecWebSocketProtocolString);
if (shouldSendSecWebSocketProtocolHeader)
{
secWebSocketProtocols.Add(outgoingSecWebSocketProtocolString);
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketProtocol,
outgoingSecWebSocketProtocolString);
}
// negotiate the websocket key return value
string secWebSocketKey = request.Headers[HttpKnownHeaderNames.SecWebSocketKey];
string secWebSocketAccept = WebSocketHelpers.GetSecWebSocketAcceptString(secWebSocketKey);
response.Headers.Add(HttpKnownHeaderNames.Connection, HttpKnownHeaderNames.Upgrade);
response.Headers.Add(HttpKnownHeaderNames.Upgrade, WebSocketHelpers.WebSocketUpgradeToken);
response.Headers.Add(HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept);
response.StatusCode = (int)HttpStatusCode.SwitchingProtocols; // HTTP 101
response.ComputeCoreHeaders();
ulong hresult = SendWebSocketHeaders(response);
if (hresult != 0)
{
throw new WebSocketException((int)hresult,
SR.GetString(SR.net_WebSockets_NativeSendResponseHeaders,
WebSocketHelpers.MethodNames.AcceptWebSocketAsync,
hresult));
}
if (Logging.On)
{
Logging.PrintInfo(Logging.WebSockets, string.Format("{0} = {1}",
HttpKnownHeaderNames.Origin, origin));
Logging.PrintInfo(Logging.WebSockets, string.Format("{0} = {1}",
HttpKnownHeaderNames.SecWebSocketVersion, secWebSocketVersion));
Logging.PrintInfo(Logging.WebSockets, string.Format("{0} = {1}",
HttpKnownHeaderNames.SecWebSocketKey, secWebSocketKey));
Logging.PrintInfo(Logging.WebSockets, string.Format("{0} = {1}",
HttpKnownHeaderNames.SecWebSocketAccept, secWebSocketAccept));
Logging.PrintInfo(Logging.WebSockets, string.Format("Request {0} = {1}",
HttpKnownHeaderNames.SecWebSocketProtocol,
request.Headers[HttpKnownHeaderNames.SecWebSocketProtocol]));
Logging.PrintInfo(Logging.WebSockets, string.Format("Response {0} = {1}",
HttpKnownHeaderNames.SecWebSocketProtocol, outgoingSecWebSocketProtocolString));
}
await response.OutputStream.FlushAsync().SuppressContextFlow();
HttpResponseStream responseStream = response.OutputStream as HttpResponseStream;
Contract.Assert(responseStream != null, "'responseStream' MUST be castable to System.Net.HttpResponseStream.");
((HttpResponseStream)response.OutputStream).SwitchToOpaqueMode();
HttpRequestStream requestStream = new HttpRequestStream(context);
requestStream.SwitchToOpaqueMode();
WebSocketHttpListenerDuplexStream webSocketStream =
new WebSocketHttpListenerDuplexStream(requestStream, responseStream, context);
WebSocket webSocket = WebSocket.CreateServerWebSocket(webSocketStream,
subProtocol,
receiveBufferSize,
keepAliveInterval,
internalBuffer);
webSocketContext = new HttpListenerWebSocketContext(
request.Url,
request.Headers,
request.Cookies,
context.User,
request.IsAuthenticated,
request.IsLocal,
request.IsSecureConnection,
origin,
secWebSocketProtocols.AsReadOnly(),
secWebSocketVersion,
secWebSocketKey,
webSocket);
if (Logging.On)
{
Logging.Associate(Logging.WebSockets, context, webSocketContext);
Logging.Associate(Logging.WebSockets, webSocketContext, webSocket);
}
}
catch (Exception ex)
{
if (Logging.On)
{
Logging.Exception(Logging.WebSockets, context, "AcceptWebSocketAsync", ex);
}
throw;
}
finally
{
if (Logging.On)
{
Logging.Exit(Logging.WebSockets, context, "AcceptWebSocketAsync", "");
}
}
return(webSocketContext);
}
