Initial commit

git-svn-id: https://joinup.ec.europa.eu/svn/moa-idspss/trunk@806 d688527b-c9ab-4aba-bd8d-4036d912da1d

3 files changed, 402 insertions, 0 deletions

diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/DOMErrorHandler.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/DOMErrorHandler.java
new file mode 100644
index 000000000..47b389c31
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/DOMErrorHandler.java
@@ -0,0 +1,55 @@
+package at.gv.egovernment.moa.ss.erechtclient.moainvoker;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+
+import org.apache.log4j.Logger;
+import org.w3c.dom.DOMError;
+
+import at.gv.egovernment.moa.ss.erechtclient.init.Constants;
+
+public class DOMErrorHandler implements org.w3c.dom.DOMErrorHandler
+{
+  private LinkedList errors_;
+
+  private static Logger logger_ = Logger.getLogger(Constants.LH_MOAINVOKER_);
+
+  public DOMErrorHandler()
+  {
+    errors_ = new LinkedList();
+  }
+  public boolean handleError(DOMError error) 
+  {
+    if (error.getSeverity() == DOMError.SEVERITY_WARNING)
+    {
+      logger_.warn("A warning occured while parsing: " + error.getMessage());
+      return true;
+    }
+    else
+    {
+      logger_.error("A (fatal) error occured while parsing: " + error.getMessage());
+      errors_.add(error.getMessage());
+      return false;
+    }
+  }
+  
+  public int getErrorCount()
+  {
+    return errors_.size();
+  }
+  
+  public String getErrorSummaryMsg()
+  {
+    if (errors_.size() <= 0) return null;
+    
+    StringBuffer errorSummaryMsg = new StringBuffer();
+    errorSummaryMsg.append("The following errors have been reported during parsing:\n");
+    for (int i = 0; i < errors_.size(); i++)
+    {
+      errorSummaryMsg.append("Error no. " + i + ":\n");
+      errorSummaryMsg.append(errors_.get(i) + "\n");
+    }
+    return errorSummaryMsg.toString();
+  }
+
+}
diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/MOAInvoker.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/MOAInvoker.java
new file mode 100644
index 000000000..65cb55c04
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/MOAInvoker.java
@@ -0,0 +1,157 @@
+/*
+ * Created on 19.11.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package at.gv.egovernment.moa.ss.erechtclient.moainvoker;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.rmi.RemoteException;
+import java.util.Vector;
+
+import javax.xml.namespace.QName;
+import javax.xml.rpc.Call;
+import javax.xml.rpc.Service;
+import javax.xml.rpc.ServiceException;
+import javax.xml.rpc.ServiceFactory;
+
+import org.apache.axis.message.SOAPBodyElement;
+import org.apache.log4j.Logger;
+import org.apache.xerces.parsers.DOMParser;
+import org.apache.xerces.xni.parser.XMLInputSource;
+import org.apache.xml.serialize.OutputFormat;
+import org.apache.xml.serialize.XMLSerializer;
+import org.w3c.dom.DOMConfiguration;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import at.gv.egovernment.moa.ss.erechtclient.ERechtClientException;
+import at.gv.egovernment.moa.ss.erechtclient.init.Constants;
+import at.gv.egovernment.moa.ss.erechtclient.util.DOMUtils;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
+ */
+public class MOAInvoker
+{
+  private static Logger logger_ = Logger.getLogger(Constants.LH_MOAINVOKER_);
+
+  private static final String NAME_ERROR_ = "ErrorResponse";
+  private static final String NAME_ERROR_CODE_ = "ErrorCode";
+  private static final String NAME_ERROR_INFO_ = "Info";
+
+  /**
+   * Invokes MOA SS.
+   * 
+   * @param request The XML request to be sent to MOA SS.
+   * 
+   * @param endpoint The endpoint of the SOAP service where to send the XML request to. 
+   * 
+   * @param mOASchemaLoc The schema location URI for the MOA schema (for validating the MOA SS service response).
+   * 
+   * @return the XML response from the service.
+   * 
+   * @throws Exception if getting the XML response from the SOAP response body fails.
+   * 
+   * @throws RemoteException if MOA SS signals an error.
+   * 
+   * @throws ServiceException if the SOAP client invoking MOA SS signals an error.
+   */
+  public static Document invokeSS(Document request, String endpoint, String mOASchemaLoc) throws ERechtClientException
+  {
+    QName serviceQName = new QName(Constants.MI_SS_QNAME_);
+    return invoke(request, endpoint, serviceQName, mOASchemaLoc);
+  }
+ 
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  private static Document invoke(Document request, String endpoint, QName serviceQName, String mOASchemaLoc) throws ERechtClientException
+  {
+    Document response;
+    try {
+      // Instantiate AXIS service
+      Service service = ServiceFactory.newInstance().createService(serviceQName);
+        
+      // Create and configure service call
+      Call call = service.createCall();
+      call.setTargetEndpointAddress(endpoint);
+        
+      // Create SOAP body
+      SOAPBodyElement body = new SOAPBodyElement(request.getDocumentElement());
+      SOAPBodyElement[] params = new SOAPBodyElement[] {body};
+        
+      // Make call
+      Vector responses = (Vector) call.invoke(params);
+        
+      // Get response
+      SOAPBodyElement responseBody = (SOAPBodyElement) responses.get(0);
+      response = responseBody.getAsDocument();
+    } 
+    catch (Exception e) 
+    {
+      String message = "MOA SS Service invocation failed.";
+      logger_.error(message, e);
+      throw new ERechtClientException(message, e);
+    }
+
+    // Validate response
+    DOMConfiguration docConfig = response.getDomConfig();
+    DOMErrorHandler errorHandler = new DOMErrorHandler();
+    docConfig.setParameter("namespaces", Boolean.FALSE);
+    docConfig.setParameter("schema-location", mOASchemaLoc);
+    docConfig.setParameter("schema-type", "http://www.w3.org/2001/XMLSchema");
+    docConfig.setParameter("validate", Boolean.TRUE);
+    docConfig.setParameter("error-handler", errorHandler);
+    response.normalizeDocument();
+    if (errorHandler.getErrorCount() > 0)
+    {
+      String message = "Parsing the MOA SS service response failed:\n" + errorHandler.getErrorSummaryMsg();
+      logger_.error(message);
+      throw new ERechtClientException(message);
+    }
+    
+    // Check if first child of response root element is an error element
+    Element responseElem = response.getDocumentElement();
+    Element errorElem = DOMUtils.getChildElem(responseElem, Constants.NSURI_MOA_13_, NAME_ERROR_);
+    if (errorElem != null)
+    {
+      String errorCode = DOMUtils.getChildText(errorElem, Constants.NSURI_MOA_13_, NAME_ERROR_CODE_);
+      String errorInfo = DOMUtils.getChildText(errorElem, Constants.NSURI_MOA_13_, NAME_ERROR_INFO_);
+      String message = "MOA SS Service indicated an error:\n" +
+        "Error code: " + errorCode + "\n" +
+        "Error info: " + errorInfo;
+      logger_.error(message);
+      throw new ERechtClientException(message);
+    }
+    
+    return response;
+  }
+ 
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  public static void serializeElement(Element rootElem, OutputStream out) throws ERechtClientException
+  {
+    
+    // TODO Replace with DOMImplementationLS
+    OutputFormat format = new OutputFormat(rootElem.getOwnerDocument()); 
+
+    format.setLineSeparator("\n");
+    format.setIndenting(false);
+    format.setPreserveSpace(true);
+    format.setOmitXMLDeclaration(false);
+    format.setEncoding("UTF-8");
+  
+    XMLSerializer serializer = new XMLSerializer(out, format);
+    try 
+    {
+      serializer.serialize(rootElem);
+    } 
+    catch (Exception e) 
+    {
+      String message = "Serializing the XML document failed.";
+      logger_.error(message);
+      throw new ERechtClientException(message);    
+    }
+  }
+}
diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/RequestBuilder.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/RequestBuilder.java
new file mode 100644
index 000000000..2c6e0d0e8
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/moainvoker/RequestBuilder.java
@@ -0,0 +1,190 @@
+package at.gv.egovernment.moa.ss.erechtclient.moainvoker;
+
+import java.io.InputStream;
+import java.util.Properties;
+
+import javax.servlet.ServletContext;
+
+import org.apache.log4j.Logger;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+
+import at.gv.egovernment.moa.ss.erechtclient.ERechtClientException;
+import at.gv.egovernment.moa.ss.erechtclient.init.Constants;
+import at.gv.egovernment.moa.ss.erechtclient.util.DOMUtils;
+import at.gv.egovernment.moa.ss.erechtclient.util.Utils;
+import at.gv.egovernment.moa.ss.erechtclient.util.XPathUtils;
+
+public class RequestBuilder 
+{
+  private static final String XPATH_KEYID_ = 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "CreateXMLSignatureRequest" + 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "KeyIdentifier";
+
+  private static final String XPATH_XMLDOC_ = 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "CreateXMLSignatureRequest" + 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "SingleSignatureInfo" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "DataObjectInfo" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "DataObject" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "LocRefContent";
+    
+  private static final String XPATH_STYLESHEET_ = 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "CreateXMLSignatureRequest" + 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "SingleSignatureInfo" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "DataObjectInfo" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "CreateTransformsInfoProfile" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "Supplement" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "Content" + "[@Reference=\"stylesheet.xsl\"]" +
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "LocRefContent";
+
+  private static final String XPATH_IMAGE_ = 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "CreateXMLSignatureRequest" + 
+    "/" + Constants.NSPRE_MOA_13_ + ":" + "SingleSignatureInfo";
+  
+  private static final String ELEM_NAME_DOI_ = "DataObjectInfo";
+
+  private static final String ATTR_VALUE_DO_STRUCTURE_ = "detached";
+
+  private static final String ELEM_NAME_DO_ = "DataObject";
+
+  private static final String ATTR_NAME_DOI_STRUCTURE_ = "Structure";
+
+  private static final String ATTR_NAME_DO_REFERENCE_ = "Reference";
+
+  private static final String ELEM_NAME_CTIP_ = "CreateTransformsInfoProfile";
+
+  private static final String ELEM_NAME_CTI_ = "CreateTransformsInfo";
+
+  private static final String ELEM_NAME_FDMI_ = "FinalDataMetaInfo";
+
+  private static final String ELEM_NAME_FDMIMIMETYPE_ = "MimeType";
+
+  private static final String ELEM_VALUE_FDMIMIMETYPE_ = "image";
+
+  private static final String ELEM_NAME_FDMITYPE_ = "Type";
+
+  private static final String ELEM_VALUE_FDMITYPE_ = "http://www.buergerkarte.at/specifications/" + 
+    "Security-Layer/20031113?Name=SignedImage&InstanceDocRef=0";
+
+  private static final String ELEM_NAME_LOCREF_ = "LocRefContent";
+  
+  private Document requestDoc_;
+  
+  private String contextPath_;
+  
+  private Properties initProps_;
+  
+  private ServletContext context_;
+
+  private static Logger logger_ = Logger.getLogger(Constants.LH_MOAINVOKER_);
+
+  public RequestBuilder(ServletContext context, String contextPath) throws ERechtClientException
+  {
+    contextPath_ = contextPath;
+    context_ = context;
+    initProps_ = (Properties) context.getAttribute(Constants.WSCP_INIT_PROPS_);
+       
+     // Load template
+    String requestTemplateLocation = Utils.readInitProperty(initProps_, Constants.IP_SS_REQUEST_TEMPLATE_, logger_);
+    try 
+    {
+      InputStream requestTemplateIS = context_.getResourceAsStream(requestTemplateLocation);
+      requestDoc_ = DOMUtils.parseWellFormed(requestTemplateIS);
+    } catch (Exception e) 
+    {
+      String message = "Could not parse MOA SS signature creation request template.";
+      logger_.error(message, e);
+      throw new ERechtClientException(message, e);
+    }
+     
+    // Insert key identifier
+    Element keyIdentifierElem = xPathGetElement(XPATH_KEYID_, requestDoc_);
+    String keyIdentifierStr = Utils.readInitProperty(initProps_, Constants.IP_SS_KEYID_, logger_);
+    keyIdentifierElem.appendChild(requestDoc_.createTextNode(keyIdentifierStr));
+  }
+   
+  public void setXMLDocument(String locationRef) throws ERechtClientException
+  {
+    // Set XML document location reference
+    Element xMLDocLocRefElem = xPathGetElement(XPATH_XMLDOC_, requestDoc_);
+    String webAppHostPortFromMOASS = Utils.readInitProperty(initProps_, Constants.IP_WEBAPP_HOST_PORT_FROM_MOA_SS_, logger_);
+    xMLDocLocRefElem.appendChild(requestDoc_.createTextNode(webAppHostPortFromMOASS + contextPath_ + locationRef));
+  }
+
+  public void setStylesheet(String locationRef) throws ERechtClientException
+  {
+    Element stylesheetLocRefElem = xPathGetElement(XPATH_STYLESHEET_, requestDoc_);
+    String webAppHostPortFromMOASS = Utils.readInitProperty(initProps_, Constants.IP_WEBAPP_HOST_PORT_FROM_MOA_SS_, logger_);
+    String stylesheetLocRefStr = webAppHostPortFromMOASS + contextPath_ + locationRef;
+    stylesheetLocRefElem.appendChild(requestDoc_.createTextNode(webAppHostPortFromMOASS + contextPath_ + locationRef));
+    logger_.debug("Setting stylesheet location to: " + stylesheetLocRefStr);
+  }
+  
+  public void useDefaultStylesheet() throws ERechtClientException
+  {
+    // Insert stylesheet reference, if it has not been set explicitly
+    Element stylesheetLocRefElem = xPathGetElement(XPATH_STYLESHEET_, requestDoc_);
+    String stylesheetLocRefStr = Utils.readInitProperty(initProps_, Constants.IP_SS_STYLESHEET_, logger_);
+    String webAppHostPortFromMOASS = Utils.readInitProperty(initProps_, Constants.IP_WEBAPP_HOST_PORT_FROM_MOA_SS_, logger_);
+    stylesheetLocRefStr = webAppHostPortFromMOASS + contextPath_ + stylesheetLocRefStr;
+    stylesheetLocRefElem.appendChild(requestDoc_.createTextNode(stylesheetLocRefStr));
+    logger_.debug("No stylesheet set explicitly, using default one: " + stylesheetLocRefStr);
+  }
+
+  public void addImage(String name, String locationRef) throws ERechtClientException
+  {
+    // Add supplement for image to be signed
+    Element parentElem = xPathGetElement(XPATH_IMAGE_, requestDoc_);
+    String webAppHostPortFromMOASS = Utils.readInitProperty(initProps_, Constants.IP_WEBAPP_HOST_PORT_FROM_MOA_SS_, logger_);
+    
+    Element dataObjInfo = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_DOI_);
+    dataObjInfo.setAttributeNS(null, ATTR_NAME_DOI_STRUCTURE_, ATTR_VALUE_DO_STRUCTURE_);
+    Element dataObj = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_DO_);
+    Element locRefCont = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_LOCREF_);
+    locRefCont.appendChild(requestDoc_.createTextNode(webAppHostPortFromMOASS + contextPath_ + locationRef));
+    dataObj.appendChild(locRefCont);
+    dataObj.setAttributeNS(null, ATTR_NAME_DO_REFERENCE_, name);
+    dataObjInfo.appendChild(dataObj);
+    Element createTIProf = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_CTIP_);
+    Element createTI = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_CTI_);
+    Element finalDataMI = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_FDMI_);
+    Element finalDataMIMimeType = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_FDMIMIMETYPE_);
+    finalDataMIMimeType.appendChild(requestDoc_.createTextNode(ELEM_VALUE_FDMIMIMETYPE_));
+    finalDataMI.appendChild(finalDataMIMimeType);
+    Element finalDataMIType = requestDoc_.createElementNS(Constants.NSURI_MOA_13_, ELEM_NAME_FDMITYPE_);
+    finalDataMIType.appendChild(requestDoc_.createTextNode(ELEM_VALUE_FDMITYPE_));
+    finalDataMI.appendChild(finalDataMIType);
+
+    createTI.appendChild(finalDataMI);
+    createTIProf.appendChild(createTI);
+    dataObjInfo.appendChild(createTIProf);
+    
+    parentElem.appendChild(dataObjInfo);
+  }
+   
+  public Document getRequest()
+  {
+    return requestDoc_;
+  }
+   
+  private Element xPathGetElement(String xPath, Document doc) throws ERechtClientException
+  {
+    try {
+     XPathUtils xpUtils = new XPathUtils();
+      String additionalNSPrefixes = Constants.NSPRE_MOA_13_ + " " + Constants.NSURI_MOA_13_;
+      xpUtils.setupContext(xPath, doc.getDocumentElement(), additionalNSPrefixes);
+      NodeList nodeList = xpUtils.selectNodeSet(doc);
+      if (nodeList == null) return null;
+      if (nodeList.getLength() < 1) return null;
+      if (!(nodeList.item(0) instanceof Element)) return null;
+      return (Element) nodeList.item(0);
+    } 
+    catch (Exception e) 
+    {
+      String message = "MOA SS signature request template seems to be corrupted.";
+      logger_.error(message, e);
+      throw new ERechtClientException(message, e);
+    }
+  }
+}
\ No newline at end of file