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| using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.IO;
using System.Net;
using System.Reflection;
using System.Security.Cryptography.X509Certificates;
using System.Text;
using System.Web.Services.Description;
using System.Web.Services.Protocols;
using System.Xml.Serialization;
namespace de.Soderer.Utilities
{
public class GenericWebserviceClient
{
#region MemberVariablen
private String webserviceName;
private String webserviceEndpointUrl;
private SoapHttpClientProtocol webserviceInstance;
#endregion
#region Konstruktor
public GenericWebserviceClient(String webserviceEndpointUrl)
: this(webserviceEndpointUrl, null, null, 0)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, int timeoutInMilliseconds)
: this(webserviceEndpointUrl, null, null, timeoutInMilliseconds)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, WebProxy webproxy)
: this(webserviceEndpointUrl, webproxy, null, 0)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, WebProxy webproxy, int timeoutInMilliseconds)
: this(webserviceEndpointUrl, webproxy, null, timeoutInMilliseconds)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, X509Certificate2 userCertificate)
: this(webserviceEndpointUrl, null, userCertificate, 0)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, X509Certificate2 userCertificate, int timeoutInMilliseconds)
: this(webserviceEndpointUrl, null, userCertificate, timeoutInMilliseconds)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, IWebProxy webproxy, X509Certificate2 userCertificate)
: this(webserviceEndpointUrl, webproxy, userCertificate, 0)
{
}
public GenericWebserviceClient(String webserviceEndpointUrl, IWebProxy webproxy, X509Certificate2 userCertificate, int timeoutInMilliseconds)
{
this.webserviceEndpointUrl = webserviceEndpointUrl;
loadWsdlInformation(webproxy, userCertificate, timeoutInMilliseconds);
}
#endregion
#region Methoden
private void loadWsdlInformation(IWebProxy webproxy, X509Certificate2 userCertificate, int timeoutInMilliseconds)
{
Constant.logDebug("<loadWsdlInformation>");
try
{
Constant.logDebug("WSDL-Abruf: " + webserviceEndpointUrl + "?wsdl");
Uri wsdlUri = new Uri(webserviceEndpointUrl + "?wsdl");
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(wsdlUri);
webRequest.Proxy = webproxy;
if (userCertificate != null)
{
Constant.logDebug("Authentifikation by Certificate");
webRequest.PreAuthenticate = true;
webRequest.ClientCertificates.Add(userCertificate);
}
else
webRequest.PreAuthenticate = false;
if (timeoutInMilliseconds >= 0)
webRequest.Timeout = timeoutInMilliseconds;
Stream requestStream = webRequest.GetResponse().GetResponseStream();
ServiceDescription serviceDescription = ServiceDescription.Read(requestStream);
Constant.logDebug("WSDL auswerten");
Service webservice = serviceDescription.Services[0];
webserviceName = webservice.Name;
ServiceDescriptionImporter servImport = new ServiceDescriptionImporter();
servImport.AddServiceDescription(serviceDescription, String.Empty, String.Empty);
servImport.ProtocolName = "Soap";
servImport.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties;
Constant.logDebug("WebserviceClient Generierung");
CodeNamespace nameSpace = new CodeNamespace();
CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
codeCompileUnit.Namespaces.Add(nameSpace);
ServiceDescriptionImportWarnings warnings = servImport.Import(nameSpace, codeCompileUnit);
if (warnings == 0)
{
CodeDomProvider provider = CodeDomProvider.CreateProvider("CSharp");
String[] assemblyReferences = new String[] { "System.dll", "System.Web.Services.dll", "System.Web.dll", "System.Xml.dll" };
CompilerParameters compilerParameters = new CompilerParameters(assemblyReferences);
compilerParameters.GenerateInMemory = true; // Save assembly in memory only
CompilerResults results = provider.CompileAssemblyFromDom(compilerParameters, codeCompileUnit);
if (results.Errors.Count > 0)
throw new Exception("Can't compile code");
else
{
webserviceInstance = (SoapHttpClientProtocol)results.CompiledAssembly.CreateInstance(webserviceName);
Constant.logDebug("webserviceInstance:" + (webserviceInstance != null));
webserviceInstance.Url = webserviceEndpointUrl;
}
}
else
{
throw new Exception("Compile-Fehler: " + warnings);
}
}
catch (Exception ex)
{
throw new FatalException("Fehler beim Auslesen der WebserviceDefinition unter der Url '" + webserviceEndpointUrl + "': " + ex);
}
Constant.logDebug("</loadWsdlInformation>");
}
public Object callWebMethod(String webserviceMethodName, params Object[] webserviceMethodParameters)
{
String requestIdForLogging = Utilities.createNewVorgangsID();
try
{
MethodInfo webserviceMethodInfo = webserviceInstance.GetType().GetMethod(webserviceMethodName);
if (webserviceMethodInfo == null)
throw new Exception("Unbekannte WebMethode '" + webserviceMethodName + "'");
ParameterInfo[] parameterInfos = webserviceMethodInfo.GetParameters();
if (webserviceMethodParameters.Length != parameterInfos.Length)
throw new Exception("Ungültige Parameteranzahl im Aufruf des Webservice: Es wurden " + webserviceMethodParameters.Length + " bei erwarteten " + parameterInfos.Length + " Parametern geliefert");
//Prüfen der Parametertypen
StringBuilder errorneousParameterTypes = new StringBuilder();
for (int i = 0; i < parameterInfos.Length; i++)
{
if (webserviceMethodParameters[i] != null
&& parameterInfos[i].ParameterType.FullName != webserviceMethodParameters[i].GetType().FullName)
{
if (errorneousParameterTypes.Length > 0)
errorneousParameterTypes.Append("; \n");
errorneousParameterTypes.Append("Für den Parameter '" + parameterInfos[i].Name + "' wurde Typ '" + webserviceMethodParameters[i].GetType().FullName + "' gefunden statt erwartetem Typ '" + parameterInfos[i].ParameterType.FullName + "'");
}
}
if (errorneousParameterTypes.Length > 0)
throw new Exception("Ungültige Parameterarten im Aufruf des Webservice: \n" + errorneousParameterTypes.ToString());
if (PersistentConfiguration.AtsTestMode)
{
StringBuilder webserviceRequestData = new StringBuilder();
//Wenn ein UserZertifikat genutzt wird, dann auch dieses Loggen
for (int i = 0; i < ClientCertificates.Count; i++)
{
if (webserviceRequestData.Length > 0)
webserviceRequestData.Append("; \n");
webserviceRequestData.Append("UserCertificate(" + (i + 1) + ")=" + ((X509Certificate2)ClientCertificates[i]).GetNameInfo(X509NameType.SimpleName, false));
}
//Loggen der Parameter
for (int i = 0; i < parameterInfos.Length; i++)
{
if (webserviceRequestData.Length > 0)
webserviceRequestData.Append("; \n");
if (parameterInfos[i].Name.ToUpper().Contains(Constant.PASSWORD_WS_PARAMETER_NAMEPART))
webserviceRequestData.Append(parameterInfos[i].Name + "(" + parameterInfos[i].ParameterType.Name + ")=" + Constant.PASSWORD_REPLACEMENT);
else if (webserviceMethodParameters[i] is byte[])
webserviceRequestData.Append(parameterInfos[i].Name + "(" + parameterInfos[i].ParameterType.Name + ")=" + Utilities.convertByteArrayToString((byte[])webserviceMethodParameters[i]));
else
webserviceRequestData.Append(parameterInfos[i].Name + "(" + parameterInfos[i].ParameterType.Name + ")=" + webserviceMethodParameters[i]);
}
Utilities.writeWebserviceRequestInTempFile(
webserviceEndpointUrl,
webserviceMethodName,
webserviceRequestData.ToString(),
requestIdForLogging);
}
Object returnObject = webserviceMethodInfo.Invoke(webserviceInstance, webserviceMethodParameters);
if (PersistentConfiguration.AtsTestMode)
{
if (returnObject == null)
Utilities.writeAnswerInTempFile("<kein Rückgabewert>", requestIdForLogging);
else
Utilities.writeAnswerInTempFile(returnObject.ToString(), requestIdForLogging);
}
return returnObject;
}
catch (TargetInvocationException ex)
{
if (PersistentConfiguration.AtsTestMode)
Utilities.writeAnswerInTempFile(Utilities.Exception2Message(ex), requestIdForLogging);
if (ex.InnerException != null && ex.InnerException is SoapException)
throw new FatalException("Fehler beim Versenden des Webservice-Requests: " + ex.InnerException.Message);
else
throw new FatalException("Fehler beim WebserviceAufruf '" + webserviceName + "' unter der Url '" + webserviceEndpointUrl + "' Methode '" + webserviceMethodName + "': " + ex);
}
catch (Exception ex)
{
if (PersistentConfiguration.AtsTestMode)
Utilities.writeAnswerInTempFile(Utilities.Exception2Message(ex), requestIdForLogging);
throw new FatalException("Fehler beim WebserviceAufruf '" + webserviceName + "' unter der Url '" + webserviceEndpointUrl + "' Methode '" + webserviceMethodName + "': " + ex);
}
}
#endregion
#region Getter /Setter
public String WebserviceName
{
get
{
return webserviceName;
}
}
public bool PreAuthenticate
{
set
{
webserviceInstance.PreAuthenticate = value;
}
get
{
return webserviceInstance.PreAuthenticate;
}
}
public X509CertificateCollection ClientCertificates
{
get
{
return webserviceInstance.ClientCertificates;
}
}
public Encoding RequestEncoding
{
set
{
webserviceInstance.RequestEncoding = value;
}
get
{
return webserviceInstance.RequestEncoding;
}
}
public int Timeout
{
set
{
webserviceInstance.Timeout = value;
}
get
{
return webserviceInstance.Timeout;
}
}
public IWebProxy Proxy
{
set
{
webserviceInstance.Proxy = value;
}
get
{
return webserviceInstance.Proxy;
}
}
#endregion
}
} |
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