Initial commit

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

1 files changed, 190 insertions, 0 deletions

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);
+    }
+  }
+}
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