public static Exception ConvertWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
switch (webException.Status)
{
case WebExceptionStatus.NameResolutionFailure:
case WebExceptionStatus.ConnectFailure:
case WebExceptionStatus.ProxyNameResolutionFailure:
return new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException);
case WebExceptionStatus.ReceiveFailure:
return new CommunicationException(System.ServiceModel.SR.GetString("HttpReceiveFailure", new object[] { request.RequestUri }), webException);
case WebExceptionStatus.SendFailure:
return new CommunicationException(System.ServiceModel.SR.GetString("HttpSendFailure", new object[] { request.RequestUri }), webException);
case WebExceptionStatus.RequestCanceled:
return CreateRequestCanceledException(webException, request, abortReason);
case WebExceptionStatus.TrustFailure:
return new SecurityNegotiationException(System.ServiceModel.SR.GetString("TrustFailure", new object[] { request.RequestUri.Authority }), webException);
case WebExceptionStatus.SecureChannelFailure:
return new SecurityNegotiationException(System.ServiceModel.SR.GetString("SecureChannelFailure", new object[] { request.RequestUri.Authority }), webException);
case WebExceptionStatus.Timeout:
return new TimeoutException(CreateRequestTimedOutMessage(request), webException);
}
return null;
}
public virtual void Abort(HttpAbortReason reason)
{
if (!this.isDisposed)
{
this.abortReason = reason;
if (DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning, this.isRequest ? 0x4000d : 0x4000e, this.isRequest ? System.ServiceModel.SR.GetString("TraceCodeHttpChannelRequestAborted") : System.ServiceModel.SR.GetString("TraceCodeHttpChannelResponseAborted"), this.message);
}
this.CleanupBuffer();
}
}
public static HttpResponseMessage ProcessGetResponseWebException(HttpRequestException requestException, HttpRequestMessage request, HttpAbortReason abortReason)
{
var inner = requestException.InnerException;
if (inner != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(ConvertHttpRequestException(requestException, request, abortReason));
}
else
{
// There is no inner exception so there's not enough information to be able to convert to the correct WCF exception.
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(requestException.Message, requestException));
}
}
public static Exception ConvertHttpRequestException(HttpRequestException exception, HttpRequestMessage request, HttpAbortReason abortReason)
{
Contract.Assert(exception.InnerException != null, "InnerException must be set to be able to convert");
uint hresult = (uint)exception.InnerException.HResult;
switch (hresult)
{
// .Net Native HttpClientHandler sometimes reports an incorrect handle state when a connection is aborted, so we treat it as a connection reset error
case WININET_E_INCORRECT_HANDLE_STATE:
goto case WININET_E_CONNECTION_RESET;
case WININET_E_CONNECTION_RESET:
return new CommunicationException(SR.Format(SR.HttpReceiveFailure, request.RequestUri), exception);
case WININET_E_NAME_NOT_RESOLVED:
return new EndpointNotFoundException(SR.Format(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), exception);
default:
return new CommunicationException(exception.Message, exception);
}
}
public virtual void Abort(HttpAbortReason reason)
{
if (isDisposed)
{
return;
}
this.abortReason = reason;
TraceRequestResponseAborted(reason);
CleanupBuffer();
}
public static Exception ConvertHttpRequestException(HttpRequestException exception, HttpRequestMessage request, HttpAbortReason abortReason)
{
Contract.Assert(exception.InnerException != null, "InnerException must be set to be able to convert");
uint hresult = (uint)exception.InnerException.HResult;
switch (hresult)
{
// .Net Native HttpClientHandler sometimes reports an incorrect handle state when a connection is aborted, so we treat it as a connection reset error
case WININET_E_INCORRECT_HANDLE_STATE:
goto case WININET_E_CONNECTION_RESET;
case WININET_E_CONNECTION_RESET:
return(new CommunicationException(string.Format(SRServiceModel.HttpReceiveFailure, request.RequestUri), exception));
case WININET_E_NAME_NOT_RESOLVED:
return(new EndpointNotFoundException(string.Format(SRServiceModel.EndpointNotFound, request.RequestUri.AbsoluteUri), exception));
case ERROR_WINHTTP_SECURE_FAILURE:
return(new SecurityNegotiationException(string.Format(SRServiceModel.TrustFailure, request.RequestUri.Authority), exception));
default:
return(new CommunicationException(exception.Message, exception));
}
}
public static HttpResponseMessage ProcessGetResponseWebException(HttpRequestException requestException, HttpRequestMessage request, HttpAbortReason abortReason)
{
var inner = requestException.InnerException;
if (inner != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(ConvertHttpRequestException(requestException, request, abortReason));
}
else
{
// There is no inner exception so there's not enough information to be able to convert to the correct WCF exception.
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(requestException.Message, requestException));
}
}
public static Exception ConvertHttpRequestException(HttpRequestException exception, HttpRequestMessage request, HttpAbortReason abortReason)
{
Contract.Assert(exception.InnerException != null, "InnerException must be set to be able to convert");
uint hresult = (uint)exception.InnerException.HResult;
var innerSocketException = exception.InnerException as SocketException;
if (innerSocketException != null)
{
var socketErrorCode = innerSocketException.SocketErrorCode;
switch (socketErrorCode)
{
case SocketError.HostNotFound:
return(new EndpointNotFoundException(SR.Format(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), exception));
default:
break;
}
}
if (exception.InnerException is AuthenticationException)
{
return(new SecurityNegotiationException(SR.Format(SR.TrustFailure, request.RequestUri.Authority), exception));
}
switch (hresult)
{
// .Net Native HttpClientHandler sometimes reports an incorrect handle state when a connection is aborted, so we treat it as a connection reset error
case WININET_E_INCORRECT_HANDLE_STATE:
goto case WININET_E_CONNECTION_RESET;
case WININET_E_CONNECTION_RESET:
return(new CommunicationException(SR.Format(SR.HttpReceiveFailure, request.RequestUri), exception));
// Linux HttpClient returns ERROR_INVALID_HANDLE in the endpoint-not-found case, so map to EndpointNotFoundException
case UnsafeNativeMethods.ERROR_INVALID_HANDLE:
case WININET_E_NAME_NOT_RESOLVED:
return(new EndpointNotFoundException(SR.Format(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), exception));
case CURLE_SSL_CACERT:
case CURLE_SSL_CERTPROBLEM:
case ERROR_WINHTTP_SECURE_FAILURE:
return(new SecurityNegotiationException(SR.Format(SR.TrustFailure, request.RequestUri.Authority), exception));
default:
return(new CommunicationException(exception.Message, exception));
}
}
public static Exception CreateHttpRequestException(HttpRequestException requestException, HttpRequestMessage request, HttpAbortReason abortReason)
{
var baseException = requestException.GetBaseException();
return new CommunicationException(baseException.Message, baseException);
}
public static Exception ConvertWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
switch (webException.Status)
{
case WebExceptionStatus.ConnectFailure:
case WebExceptionStatus.NameResolutionFailure:
case WebExceptionStatus.ProxyNameResolutionFailure:
return new EndpointNotFoundException(SR.GetString(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), webException);
case WebExceptionStatus.SecureChannelFailure:
return new SecurityNegotiationException(SR.GetString(SR.SecureChannelFailure, request.RequestUri.Authority), webException);
case WebExceptionStatus.TrustFailure:
return new SecurityNegotiationException(SR.GetString(SR.TrustFailure, request.RequestUri.Authority), webException);
case WebExceptionStatus.Timeout:
return new TimeoutException(CreateRequestTimedOutMessage(request), webException);
case WebExceptionStatus.ReceiveFailure:
return new CommunicationException(SR.GetString(SR.HttpReceiveFailure, request.RequestUri), webException);
case WebExceptionStatus.SendFailure:
return new CommunicationException(SR.GetString(SR.HttpSendFailure, request.RequestUri), webException);
case WebExceptionStatus.RequestCanceled:
return CreateRequestCanceledException(webException, request, abortReason);
case WebExceptionStatus.ProtocolError:
HttpWebResponse response = (HttpWebResponse)webException.Response;
Fx.Assert(response != null, "'response' MUST NOT be NULL for WebExceptionStatus=='ProtocolError'.");
if (response.StatusCode == HttpStatusCode.InternalServerError &&
string.Compare(response.StatusDescription, HttpChannelUtilities.StatusDescriptionStrings.HttpStatusServiceActivationException, StringComparison.OrdinalIgnoreCase) == 0)
{
return new ServiceActivationException(SR.GetString(SR.Hosting_ServiceActivationFailed, request.RequestUri));
}
else
{
return null;
}
default:
return null;
}
}
public override void Abort(HttpAbortReason abortReason)
{
listenerResponse.Abort();
base.Abort(abortReason);
}
public static HttpWebResponse ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
HttpWebResponse response = null;
if ((webException.Status == WebExceptionStatus.Success) || (webException.Status == WebExceptionStatus.ProtocolError))
{
response = (HttpWebResponse) webException.Response;
}
if (response == null)
{
Exception exception = ConvertWebException(webException, request, abortReason);
if (exception != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(exception);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(webException.Message, webException));
}
bool flag = false;
try
{
if (response.StatusCode == HttpStatusCode.NotFound)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
if (response.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ServerTooBusyException(System.ServiceModel.SR.GetString("HttpServerTooBusy", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
if (response.StatusCode == HttpStatusCode.UnsupportedMediaType)
{
string statusDescription = response.StatusDescription;
if (!string.IsNullOrEmpty(statusDescription) && (string.Compare(statusDescription, "Missing Content Type", StringComparison.OrdinalIgnoreCase) == 0))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("MissingContentType", new object[] { request.RequestUri }), webException));
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("FramingContentTypeMismatch", new object[] { request.ContentType, request.RequestUri }), webException));
}
if (response.StatusCode == HttpStatusCode.GatewayTimeout)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TimeoutException(webException.Message, webException));
}
if (response.StatusCode == HttpStatusCode.BadRequest)
{
string str2 = null;
if (response.ContentLength == "<h1>Bad Request (Invalid Hostname)</h1>".Length)
{
str2 = "<h1>Bad Request (Invalid Hostname)</h1>";
}
else if (response.ContentLength == "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\"http://www.w3.org/TR/html4/strict.dtd\">\r\n<HTML><HEAD><TITLE>Bad Request</TITLE>\r\n<META HTTP-EQUIV=\"Content-Type\" Content=\"text/html; charset=us-ascii\"></HEAD>\r\n<BODY><h2>Bad Request - Invalid Hostname</h2>\r\n<hr><p>HTTP Error 400. The request hostname is invalid.</p>\r\n</BODY></HTML>\r\n".Length)
{
str2 = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\"http://www.w3.org/TR/html4/strict.dtd\">\r\n<HTML><HEAD><TITLE>Bad Request</TITLE>\r\n<META HTTP-EQUIV=\"Content-Type\" Content=\"text/html; charset=us-ascii\"></HEAD>\r\n<BODY><h2>Bad Request - Invalid Hostname</h2>\r\n<hr><p>HTTP Error 400. The request hostname is invalid.</p>\r\n</BODY></HTML>\r\n";
}
if (str2 != null)
{
Stream responseStream = response.GetResponseStream();
byte[] buffer = new byte[str2.Length];
if ((responseStream.Read(buffer, 0, buffer.Length) == str2.Length) && (str2 == Encoding.ASCII.GetString(buffer)))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
}
}
flag = true;
}
finally
{
if (!flag)
{
response.Close();
}
}
return response;
}
public static Exception CreateRequestWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
Exception exception = ConvertWebException(webException, request, abortReason);
if (webException.Response != null)
{
webException.Response.Close();
}
if (exception != null)
{
return exception;
}
if (webException.InnerException is IOException)
{
return CreateRequestIOException((IOException) webException.InnerException, request, webException);
}
if (webException.InnerException is SocketException)
{
return SocketConnectionInitiator.ConvertConnectException((SocketException) webException.InnerException, request.RequestUri, TimeSpan.MaxValue, webException);
}
return new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException);
}
public static Exception CreateRequestCanceledException(Exception webException, HttpWebRequest request, HttpAbortReason abortReason)
{
switch (abortReason)
{
case HttpAbortReason.Aborted:
return(new CommunicationObjectAbortedException(System.ServiceModel.SR.GetString("HttpRequestAborted", new object[] { request.RequestUri }), webException));
case HttpAbortReason.TimedOut:
return(new TimeoutException(CreateRequestTimedOutMessage(request), webException));
}
return(new CommunicationException(System.ServiceModel.SR.GetString("HttpTransferError", new object[] { webException.Message }), webException));
}
public static Exception ConvertWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
switch (webException.Status)
{
case WebExceptionStatus.NameResolutionFailure:
case WebExceptionStatus.ConnectFailure:
case WebExceptionStatus.ProxyNameResolutionFailure:
return(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException));
case WebExceptionStatus.ReceiveFailure:
return(new CommunicationException(System.ServiceModel.SR.GetString("HttpReceiveFailure", new object[] { request.RequestUri }), webException));
case WebExceptionStatus.SendFailure:
return(new CommunicationException(System.ServiceModel.SR.GetString("HttpSendFailure", new object[] { request.RequestUri }), webException));
case WebExceptionStatus.RequestCanceled:
return(CreateRequestCanceledException(webException, request, abortReason));
case WebExceptionStatus.TrustFailure:
return(new SecurityNegotiationException(System.ServiceModel.SR.GetString("TrustFailure", new object[] { request.RequestUri.Authority }), webException));
case WebExceptionStatus.SecureChannelFailure:
return(new SecurityNegotiationException(System.ServiceModel.SR.GetString("SecureChannelFailure", new object[] { request.RequestUri.Authority }), webException));
case WebExceptionStatus.Timeout:
return(new TimeoutException(CreateRequestTimedOutMessage(request), webException));
}
return(null);
}
public static HttpWebResponse ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
HttpWebResponse response = null;
if ((webException.Status == WebExceptionStatus.Success) || (webException.Status == WebExceptionStatus.ProtocolError))
{
response = (HttpWebResponse)webException.Response;
}
if (response == null)
{
Exception exception = ConvertWebException(webException, request, abortReason);
if (exception != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(exception);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(webException.Message, webException));
}
bool flag = false;
try
{
if (response.StatusCode == HttpStatusCode.NotFound)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
if (response.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ServerTooBusyException(System.ServiceModel.SR.GetString("HttpServerTooBusy", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
if (response.StatusCode == HttpStatusCode.UnsupportedMediaType)
{
string statusDescription = response.StatusDescription;
if (!string.IsNullOrEmpty(statusDescription) && (string.Compare(statusDescription, "Missing Content Type", StringComparison.OrdinalIgnoreCase) == 0))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("MissingContentType", new object[] { request.RequestUri }), webException));
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(System.ServiceModel.SR.GetString("FramingContentTypeMismatch", new object[] { request.ContentType, request.RequestUri }), webException));
}
if (response.StatusCode == HttpStatusCode.GatewayTimeout)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TimeoutException(webException.Message, webException));
}
if (response.StatusCode == HttpStatusCode.BadRequest)
{
string str2 = null;
if (response.ContentLength == "<h1>Bad Request (Invalid Hostname)</h1>".Length)
{
str2 = "<h1>Bad Request (Invalid Hostname)</h1>";
}
else if (response.ContentLength == "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\"http://www.w3.org/TR/html4/strict.dtd\">\r\n<HTML><HEAD><TITLE>Bad Request</TITLE>\r\n<META HTTP-EQUIV=\"Content-Type\" Content=\"text/html; charset=us-ascii\"></HEAD>\r\n<BODY><h2>Bad Request - Invalid Hostname</h2>\r\n<hr><p>HTTP Error 400. The request hostname is invalid.</p>\r\n</BODY></HTML>\r\n".Length)
{
str2 = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\"http://www.w3.org/TR/html4/strict.dtd\">\r\n<HTML><HEAD><TITLE>Bad Request</TITLE>\r\n<META HTTP-EQUIV=\"Content-Type\" Content=\"text/html; charset=us-ascii\"></HEAD>\r\n<BODY><h2>Bad Request - Invalid Hostname</h2>\r\n<hr><p>HTTP Error 400. The request hostname is invalid.</p>\r\n</BODY></HTML>\r\n";
}
if (str2 != null)
{
Stream responseStream = response.GetResponseStream();
byte[] buffer = new byte[str2.Length];
if ((responseStream.Read(buffer, 0, buffer.Length) == str2.Length) && (str2 == Encoding.ASCII.GetString(buffer)))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
}
}
flag = true;
}
finally
{
if (!flag)
{
response.Close();
}
}
return(response);
}
public static Exception CreateRequestWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
Exception exception = ConvertWebException(webException, request, abortReason);
if (webException.Response != null)
{
webException.Response.Close();
}
if (exception != null)
{
return(exception);
}
if (webException.InnerException is IOException)
{
return(CreateRequestIOException((IOException)webException.InnerException, request, webException));
}
if (webException.InnerException is SocketException)
{
return(SocketConnectionInitiator.ConvertConnectException((SocketException)webException.InnerException, request.RequestUri, TimeSpan.MaxValue, webException));
}
return(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { request.RequestUri.AbsoluteUri }), webException));
}
private void TraceRequestResponseAborted(HttpAbortReason reason)
{
}
private void TraceRequestResponseAborted(HttpAbortReason reason)
{
if (isRequest)
{
if (TD.HttpChannelRequestAbortedIsEnabled())
{
TD.HttpChannelRequestAborted(this.eventTraceActivity);
}
}
else if (TD.HttpChannelResponseAbortedIsEnabled())
{
TD.HttpChannelResponseAborted(this.eventTraceActivity);
}
if (DiagnosticUtility.ShouldTraceWarning)
{
TraceUtility.TraceEvent(TraceEventType.Warning,
isRequest ? TraceCode.HttpChannelRequestAborted : TraceCode.HttpChannelResponseAborted,
isRequest ? SR.GetString(SR.TraceCodeHttpChannelRequestAborted) : SR.GetString(SR.TraceCodeHttpChannelResponseAborted),
this.message);
}
}
public override void Abort(HttpAbortReason abortReason)
{
httpWebRequest.Abort();
base.Abort(abortReason);
}
public static Exception CreateRequestWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
Exception convertedException = ConvertWebException(webException, request, abortReason);
if (webException.Response != null)
{
//free the connection for use by another request
webException.Response.Close();
}
if (convertedException != null)
{
return convertedException;
}
if (webException.InnerException is IOException)
{
return CreateRequestIOException((IOException)webException.InnerException, request, webException);
}
if (webException.InnerException is SocketException)
{
return SocketConnectionInitiator.ConvertConnectException((SocketException)webException.InnerException, request.RequestUri, TimeSpan.MaxValue, webException);
}
return new EndpointNotFoundException(SR.GetString(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), webException);
}
public static HttpWebResponse ProcessGetResponseWebException(WebException webException, HttpWebRequest request, HttpAbortReason abortReason)
{
HttpWebResponse response = null;
if (webException.Status == WebExceptionStatus.Success ||
webException.Status == WebExceptionStatus.ProtocolError)
{
response = (HttpWebResponse)webException.Response;
}
if (response == null)
{
Exception convertedException = ConvertWebException(webException, request, abortReason);
if (convertedException != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(convertedException);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(webException.Message,
webException));
}
if (response.StatusCode == HttpStatusCode.NotFound)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(SR.GetString(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), webException));
}
if (response.StatusCode == HttpStatusCode.ServiceUnavailable)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ServerTooBusyException(SR.GetString(SR.HttpServerTooBusy, request.RequestUri.AbsoluteUri), webException));
}
if (response.StatusCode == HttpStatusCode.UnsupportedMediaType)
{
string statusDescription = response.StatusDescription;
if (!string.IsNullOrEmpty(statusDescription))
{
if (string.Compare(statusDescription, HttpChannelUtilities.StatusDescriptionStrings.HttpContentTypeMissing, StringComparison.OrdinalIgnoreCase) == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(SR.GetString(SR.MissingContentType, request.RequestUri), webException));
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ProtocolException(SR.GetString(SR.FramingContentTypeMismatch, request.ContentType, request.RequestUri), webException));
}
if (response.StatusCode == HttpStatusCode.GatewayTimeout)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new TimeoutException(webException.Message, webException));
}
// if http.sys has a request queue on the TCP port, then if the path fails to match it will send
// back "<h1>Bad Request (Invalid Hostname)</h1>" in the body of a 400 response.
// See code at \\index1\sddnsrv\net\http\sys\httprcv.c for details
if (response.StatusCode == HttpStatusCode.BadRequest)
{
const string httpSysRequestQueueNotFound = "<h1>Bad Request (Invalid Hostname)</h1>";
const string httpSysRequestQueueNotFoundVista = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\"http://www.w3.org/TR/html4/strict.dtd\">\r\n<HTML><HEAD><TITLE>Bad Request</TITLE>\r\n<META HTTP-EQUIV=\"Content-Type\" Content=\"text/html; charset=us-ascii\"></HEAD>\r\n<BODY><h2>Bad Request - Invalid Hostname</h2>\r\n<hr><p>HTTP Error 400. The request hostname is invalid.</p>\r\n</BODY></HTML>\r\n";
string notFoundTestString = null;
if (response.ContentLength == httpSysRequestQueueNotFound.Length)
{
notFoundTestString = httpSysRequestQueueNotFound;
}
else if (response.ContentLength == httpSysRequestQueueNotFoundVista.Length)
{
notFoundTestString = httpSysRequestQueueNotFoundVista;
}
if (notFoundTestString != null)
{
Stream responseStream = response.GetResponseStream();
byte[] responseBytes = new byte[notFoundTestString.Length];
int bytesRead = responseStream.Read(responseBytes, 0, responseBytes.Length);
// since the response is buffered by System.Net (it's an error response), we should have read
// the amount we were expecting
if (bytesRead == notFoundTestString.Length
&& notFoundTestString == UTF8Encoding.ASCII.GetString(responseBytes))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(SR.GetString(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), webException));
}
}
}
return response;
}
public void Abort(RequestChannel channel)
{
Cleanup();
_abortReason = HttpAbortReason.Aborted;
}
public static Exception CreateRequestCanceledException(Exception webException, HttpWebRequest request, HttpAbortReason abortReason)
{
switch (abortReason)
{
case HttpAbortReason.Aborted:
return new CommunicationObjectAbortedException(SR.GetString(SR.HttpRequestAborted, request.RequestUri), webException);
case HttpAbortReason.TimedOut:
return new TimeoutException(CreateRequestTimedOutMessage(request), webException);
default:
return new CommunicationException(SR.GetString(SR.HttpTransferError, webException.Message), webException);
}
}
public override void Abort(HttpAbortReason abortReason)
{
base._timeoutHelper.CancelCancellationToken();
base.Abort(abortReason);
}
public static Exception ConvertHttpRequestException(HttpRequestException exception, HttpRequestMessage request, HttpAbortReason abortReason)
{
Contract.Assert(exception.InnerException != null, "InnerException must be set to be able to convert");
uint hresult = (uint)exception.InnerException.HResult;
switch (hresult)
{
// .Net Native HttpClientHandler sometimes reports an incorrect handle state when a connection is aborted, so we treat it as a connection reset error
case WININET_E_INCORRECT_HANDLE_STATE:
goto case WININET_E_CONNECTION_RESET;
case WININET_E_CONNECTION_RESET:
return new CommunicationException(SR.Format(SR.HttpReceiveFailure, request.RequestUri), exception);
// Linux HttpClient returns ERROR_INVALID_HANDLE in the endpoint-not-found case, so map to EndpointNotFoundException
case UnsafeNativeMethods.ERROR_INVALID_HANDLE:
case WININET_E_NAME_NOT_RESOLVED:
return new EndpointNotFoundException(SR.Format(SR.EndpointNotFound, request.RequestUri.AbsoluteUri), exception);
case CURLE_SSL_CACERT:
case CURLE_SSL_CERTPROBLEM:
case ERROR_WINHTTP_SECURE_FAILURE:
return new SecurityNegotiationException(SR.Format(SR.TrustFailure, request.RequestUri.Authority), exception);
default:
return new CommunicationException(exception.Message, exception);
}
}
public static Exception CreateRequestCanceledException(Exception webException, HttpWebRequest request, HttpAbortReason abortReason)
{
switch (abortReason)
{
case HttpAbortReason.Aborted:
return new CommunicationObjectAbortedException(System.ServiceModel.SR.GetString("HttpRequestAborted", new object[] { request.RequestUri }), webException);
case HttpAbortReason.TimedOut:
return new TimeoutException(CreateRequestTimedOutMessage(request), webException);
}
return new CommunicationException(System.ServiceModel.SR.GetString("HttpTransferError", new object[] { webException.Message }), webException);
}