Esempio n. 1
0
        //
        // TODO:
        //    Handle other web responses (multi-output?)
        //
        object [] ReceiveResponse(WebResponse response, SoapClientMessage message, SoapExtension[] extensions)
        {
            SoapMethodStubInfo msi           = message.MethodStubInfo;
            HttpWebResponse    http_response = response as HttpWebResponse;

            if (http_response != null)
            {
                HttpStatusCode code = http_response.StatusCode;

                if (!(code == HttpStatusCode.Accepted || code == HttpStatusCode.OK || code == HttpStatusCode.InternalServerError))
                {
                    string msg = "The request failed with HTTP status {0}: {1}";
                    msg = String.Format(msg, (int)code, code);
                    throw new WebException(msg, null, WebExceptionStatus.ProtocolError, http_response);
                }
                if (message.OneWay && response.ContentLength <= 0 && (code == HttpStatusCode.Accepted || code == HttpStatusCode.OK))
                {
                    return(new object[0]);
                }
            }

            //
            // Remove optional encoding
            //
            string   ctype;
            Encoding encoding = WebServiceHelper.GetContentEncoding(response.ContentType, out ctype);

            ctype = ctype.ToLower(CultureInfo.InvariantCulture);
            if ((!message.IsSoap12 || ctype != "application/soap+xml") && ctype != "text/xml")
            {
                WebServiceHelper.InvalidOperation(
                    String.Format("Not supported Content-Type in the response: '{0}'", response.ContentType),
                    response, encoding);
            }

            message.ContentType     = ctype;
            message.ContentEncoding = encoding.WebName;

            Stream stream = response.GetResponseStream();

            if (extensions != null)
            {
                stream = SoapExtension.ExecuteChainStream(extensions, stream);
                message.SetStage(SoapMessageStage.BeforeDeserialize);
                SoapExtension.ExecuteProcessMessage(extensions, message, stream, false);
            }

            // Deserialize the response

            SoapHeaderCollection headers;
            object content;

            using (StreamReader reader = new StreamReader(stream, encoding, false)) {
                XmlTextReader xml_reader = new XmlTextReader(reader);

                WebServiceHelper.ReadSoapMessage(xml_reader, msi, SoapHeaderDirection.Out, message.IsSoap12, out content, out headers);
            }

            if (content is Soap12Fault)
            {
                SoapException ex = WebServiceHelper.Soap12FaultToSoapException((Soap12Fault)content);
                message.SetException(ex);
            }
            else
            if (content is Fault)
            {
                Fault         fault = (Fault)content;
                SoapException ex    = new SoapException(fault.faultstring, fault.faultcode, fault.faultactor, fault.detail);
                message.SetException(ex);
            }
            else
            {
                message.OutParameters = (object[])content;
            }

            message.SetHeaders(headers);
            message.UpdateHeaderValues(this, message.MethodStubInfo.Headers);

            if (extensions != null)
            {
                message.SetStage(SoapMessageStage.AfterDeserialize);
                SoapExtension.ExecuteProcessMessage(extensions, message, stream, false);
            }

            if (message.Exception == null)
            {
                return(message.OutParameters);
            }
            else
            {
                throw message.Exception;
            }
        }
		//
		// TODO:
		//    Handle other web responses (multi-output?)
		//    
		object [] ReceiveResponse (WebResponse response, SoapClientMessage message, SoapExtension[] extensions)
		{
			SoapMethodStubInfo msi = message.MethodStubInfo;
			HttpWebResponse http_response = response as HttpWebResponse;
			
			if (http_response != null)
			{
				HttpStatusCode code = http_response.StatusCode;
	
				if (!(code == HttpStatusCode.Accepted || code == HttpStatusCode.OK || code == HttpStatusCode.InternalServerError)) {
					string msg = "The request failed with HTTP status {0}: {1}";
					msg = String.Format (msg, (int) code, code);
					throw new WebException (msg, null, WebExceptionStatus.ProtocolError, http_response);
				}
				if (message.OneWay && response.ContentLength == 0 && (code == HttpStatusCode.Accepted || code == HttpStatusCode.OK)) {
					return new object[0];
				}
			}
			
			//
			// Remove optional encoding
			//
			string ctype;
			Encoding encoding = WebServiceHelper.GetContentEncoding (response.ContentType, out ctype);
			if (ctype != "text/xml")
				WebServiceHelper.InvalidOperation (
					"Content is not 'text/xml' but '" + response.ContentType + "'",
					response, encoding);

			message.ContentType = ctype;
			message.ContentEncoding = encoding.WebName;
			
			Stream stream = response.GetResponseStream ();

			if (extensions != null) {
				stream = SoapExtension.ExecuteChainStream (extensions, stream);
				message.SetStage (SoapMessageStage.BeforeDeserialize);
				SoapExtension.ExecuteProcessMessage (extensions, message, false);
			}
			
			// Deserialize the response

			SoapHeaderCollection headers;
			object content;

			using (StreamReader reader = new StreamReader (stream, encoding, false)) {
				XmlTextReader xml_reader = new XmlTextReader (reader);

				WebServiceHelper.ReadSoapMessage (xml_reader, type_info, msi.Use, msi.ResponseSerializer,
								out content, out headers);
			}

			
			if (content is Fault)
			{
				Fault fault = (Fault) content;
				SoapException ex = new SoapException (fault.faultstring, fault.faultcode, fault.faultactor, fault.detail);
				message.SetException (ex);
			}
			else
				message.OutParameters = (object[]) content;
			
			message.SetHeaders (headers);
			message.UpdateHeaderValues (this, message.MethodStubInfo.Headers);

			if (extensions != null) {
				message.SetStage (SoapMessageStage.AfterDeserialize);
				SoapExtension.ExecuteProcessMessage (extensions, message, false);
			}

			if (message.Exception == null)
				return message.OutParameters;
			else
				throw message.Exception;
		}
Esempio n. 3
0
        object[] ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, bool asyncCall)
        {
            SoapClientMethod method = message.Method;

            // CONSIDER,yannc: use the SoapExtensionStream here as well so we throw exceptions
            //      : if the extension touches stream properties/methods in before deserialize.
            // note that if there is an error status code then the response might be content-type=text/plain.
            HttpWebResponse httpResponse = response as HttpWebResponse;
            int             statusCode   = httpResponse != null ? (int)httpResponse.StatusCode : -1;

            if (statusCode >= 300 && statusCode != 500 && statusCode != 400)
            {
                throw new WebException(RequestResponseUtils.CreateResponseExceptionString(httpResponse, responseStream), null,
                                       WebExceptionStatus.ProtocolError, httpResponse);
            }

            message.Headers.Clear();
            message.SetStream(responseStream);
            message.InitExtensionStreamChain(message.initializedExtensions);

            message.SetStage(SoapMessageStage.BeforeDeserialize);
            message.ContentType     = response.ContentType;
            message.ContentEncoding = response.Headers[ContentType.ContentEncoding];
            message.RunExtensions(message.initializedExtensions);

            if (method.oneWay && (httpResponse == null || (int)httpResponse.StatusCode != 500))
            {
                return(new object[0]);
            }

            // this statusCode check is just so we don't repeat the contentType check we did above
            if (!ContentType.IsSoap(message.ContentType))
            {
                // special-case 400 since we exempted it above on the off-chance it might be a soap 1.2 sender fault.
                // based on the content-type, it looks like it's probably just a regular old 400
                if (statusCode == 400)
                {
                    throw new WebException(RequestResponseUtils.CreateResponseExceptionString(httpResponse, responseStream), null,
                                           WebExceptionStatus.ProtocolError, httpResponse);
                }
                else
                {
                    throw new InvalidOperationException(Res.GetString(Res.WebResponseContent, message.ContentType, HttpContentType) +
                                                        "\r\n" +
                                                        RequestResponseUtils.CreateResponseExceptionString(response, responseStream));
                }
            }

            Encoding enc = RequestResponseUtils.GetEncoding(message.ContentType);

            // perf fix: changed buffer size passed to StreamReader
            int bufferSize;

            if (asyncCall || httpResponse == null)
            {
                bufferSize = 512;
            }
            else
            {
                int contentLength = (int)httpResponse.ContentLength;
                if (contentLength == -1)
                {
                    bufferSize = 8000;
                }
                else if (contentLength <= 16000)
                {
                    bufferSize = contentLength;
                }
                else
                {
                    bufferSize = 16000;
                }
            }
            XmlTextReader reader;

            if (enc != null)
            {
                reader = new XmlTextReader(new StreamReader(message.Stream, enc, true, bufferSize));
            }
            else
            {
                // CONSIDER: do i need to pass a buffer size somehow?
                reader = new XmlTextReader(message.Stream);
            }

            reader.Normalization = true;
            reader.XmlResolver   = null;
            reader.MoveToContent();
            // should be able to handle no ns, soap 1.1 ns, or soap 1.2 ns
            string encodingNs = EncodingNs;
            string envelopeNs = reader.NamespaceURI;

            if (envelopeNs == null || envelopeNs.Length == 0)
            {
                // ok to omit namespace -- assume correct version
                reader.ReadStartElement(Soap.Envelope);
            }
            else if (reader.NamespaceURI == Soap.Namespace)
            {
                reader.ReadStartElement(Soap.Envelope, Soap.Namespace);
            }
            else if (reader.NamespaceURI == Soap12.Namespace)
            {
                reader.ReadStartElement(Soap.Envelope, Soap12.Namespace);
            }
            else
            {
                throw new SoapException(Res.GetString(Res.WebInvalidEnvelopeNamespace, envelopeNs, EnvelopeNs), SoapException.VersionMismatchFaultCode);
            }

            reader.MoveToContent();
            SoapHeaderHandling headerHandler = new SoapHeaderHandling();

            headerHandler.ReadHeaders(reader, method.outHeaderSerializer, message.Headers, method.outHeaderMappings, SoapHeaderDirection.Out | SoapHeaderDirection.Fault, envelopeNs, method.use == SoapBindingUse.Encoded ? encodingNs : null);
            reader.MoveToContent();
            reader.ReadStartElement(Soap.Body, envelopeNs);
            reader.MoveToContent();
            if (reader.IsStartElement(Soap.Fault, envelopeNs))
            {
                message.SetException(ReadSoapException(reader));
            }
            else
            {
                if (method.oneWay)
                {
                    reader.Skip();
                    message.SetParameterValues(new object[0]);
                }
                else
                {
                    // SOAP12: not using encodingStyle
                    //message.SetParameterValues((object[])method.returnSerializer.Deserialize(reader, method.use == SoapBindingUse.Encoded ? encodingNs : null));
                    message.SetParameterValues((object[])method.returnSerializer.Deserialize(reader));
                }
            }

            while (reader.NodeType == XmlNodeType.Whitespace)
            {
                reader.Skip();
            }
            if (reader.NodeType == XmlNodeType.None)
            {
                reader.Skip();
            }
            else
            {
                reader.ReadEndElement();
            }
            while (reader.NodeType == XmlNodeType.Whitespace)
            {
                reader.Skip();
            }
            if (reader.NodeType == XmlNodeType.None)
            {
                reader.Skip();
            }
            else
            {
                reader.ReadEndElement();
            }

            message.SetStage(SoapMessageStage.AfterDeserialize);
            message.RunExtensions(message.initializedExtensions);
            SoapHeaderHandling.SetHeaderMembers(message.Headers, this, method.outHeaderMappings, SoapHeaderDirection.Out | SoapHeaderDirection.Fault, true);

            if (message.Exception != null)
            {
                throw message.Exception;
            }
            return(message.GetParameterValues());
        }