Initial commit

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

4 files changed, 389 insertions, 0 deletions

diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/Constants.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/Constants.java
new file mode 100644
index 000000000..a9cfdac62
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/Constants.java
@@ -0,0 +1,104 @@
+/*
+ * Created on 18.11.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package at.gv.egovernment.moa.ss.erechtclient.init;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
+ */
+public class Constants
+{
+  // System properties
+  public static final String INIT_PROPS_LOC_ = 
+    "at.gv.egovernment.moa.ss.erechtclient.PropertiesLocation";
+  
+  // Init properties
+
+  // TODO Revisit if constants can be removed
+  public static final String IP_WEBAPP_HOST_PORT_ = "location.webAppHostPort";
+  public static final String IP_WEBAPP_HOST_PORT_FROM_MOA_SS_ = "location.webAppHostPortFromMOASS";
+  
+  public static final String IP_MOA_SCHEMA_ = "location.schema.moa";
+  public static final String IP_SS_REQUEST_TEMPLATE_ = "location.ss.requestTemplate";
+
+  public static final String IP_TEMP_DIR_ = "location.tempdir";
+  public static final String IP_SS_STYLESHEET_ = "location.ss.stylesheet";
+  
+  public static final String IP_SS_ENDPOINT_ = "service.ss.endpoint";
+  public static final String IP_SS_KEYID_ = "service.ss.keyIdentifier";
+
+  // Logging hierarchies
+  
+  public static final String LH_BASE_ = "erechtclient";
+  public static final String LH_INIT_ = LH_BASE_ + ".init";
+  public static final String LH_XMLPARSER_ = LH_BASE_ + ".xmlparser";
+  public static final String LH_SERVLETS_ = LH_BASE_ + ".servlets";
+  public static final String LH_BEANS_ = LH_BASE_ + ".beans";
+  public static final String LH_MOAINVOKER_ = LH_BASE_ + ".moainvoker";
+  
+  // Web service context parameters
+  
+  public static final String WSCP_INIT_PROPS_ = "initProperties";
+  public static final String WSCP_INITPROPS_BEAN_ = "initPropertiesBean";
+  public static final String WSCP_XMLPARSER_ = "xmlParser";
+  
+  // Session parameters
+  
+  public static final String SCP_XMLBGBL_FNAME_ = "xMLBGBl";
+  public static final String SCP_STYLESHEET_FNAME_ = "stylesheet";
+  public static final String SCP_IMAGE_NAMES_LIST_ = "imageNames";
+  public static final String SCP_IMAGES_LIST_ = "images";
+  public static final String SCP_SIGNATURE_URL_ = "signatureURL";
+  
+  // Reqeust context parameters
+ 
+  public static final String RCP_ERROR_THROWABLE_ = "throwable";
+  
+  // Namespace URIs
+  
+  public static final String NSURI_MOA_13_ = "http://reference.e-government.gv.at/namespace/moa/20020822#";
+  public static final String NSURI_NAMESPACES_ = "http://www.w3.org/2000/xmlns/";
+  public static final String NSURI_XML_ = "http://www.w3.org/XML/1998/namespace";
+  public static final String NSURI_DSIG_ = "http://www.w3.org/2000/09/xmldsig#";
+  public static final String NSURI_XMLBGBL_ = "http://www.bka.gv.at";
+  
+  // Namespace prefixes
+  
+  public static final String NSPRE_MOA_13_ = "moa";
+  public static final String NSPRE_DSIG_ = "dsig";
+  public static final String NSPRE_XMLBGBL_ = "bka";
+  
+  // Local XML element's names
+  
+  public static final String XML_LN_XMLBGBL_ROOT_ = "erechtdok";
+  public static final String XML_LN_XMLBGBL_IMG_ = "binary";
+  public static final String XML_LN_XMLBGBL_IMG_SRC_ = "src";
+  public static final String XML_LN_XMLBGBL_IMG_REF_ = "ref";
+  
+  // MOA invoker constants
+  
+  public static final String MI_SS_QNAME_ = "SignatureCreation";
+  
+  // Default values
+  
+  public static final String DV_WEBAPP_HOST_PATH_ = "http://localhost:8080";
+
+  // HTML form parameter names
+  
+  public static final String FPN_UPLOAD_XML_XMLBGBL_ = "xMLBGBl";
+  public static final String FPN_UPLOAD_STYLESHEET_ = "stylesheet";
+  public static final String FPN_UPLOAD_IMG_IMG_ = "image.";
+  
+  // JSP page names
+  
+  public static final String JSPPN_ERROR_ = "pages/Error.jsp";
+  public static final String JSPPN_UPLOAD_XML_ = "pages/UploadXML.jsp";
+  public static final String JSPPN_UPLOAD_IMG_ = "pages/UploadImages.jsp";
+  public static final String JSPPN_DOWNLOAD_SIG_ = "pages/DownloadSignature.jsp";
+  
+  // Servlet url names
+  public static final String SRVN_UPLOAD_XML_ = "/UploadXML";
+  public static final String SRVN_UPLOAD_IMG_ = "/UploadImages";
+}
diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/ContextListener.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/ContextListener.java
new file mode 100644
index 000000000..6cc5988ac
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/ContextListener.java
@@ -0,0 +1,187 @@
+/*
+ * (c) Siemens Business Services GmbH
+ */
+package at.gv.egovernment.moa.ss.erechtclient.init;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Properties;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+import org.apache.log4j.Logger;
+import org.apache.xerces.parsers.DOMParser;
+import org.apache.xerces.parsers.XMLGrammarPreparser;
+import org.apache.xerces.util.SymbolTable;
+import org.apache.xerces.util.XMLGrammarPoolImpl;
+import org.apache.xerces.xni.grammars.XMLGrammarDescription;
+import org.apache.xerces.xni.grammars.XMLGrammarPool;
+import org.apache.xerces.xni.parser.XMLInputSource;
+import org.xml.sax.SAXException;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@siemens.com)
+ */
+public class ContextListener implements ServletContextListener
+{
+  private static final String SAX_NAMESPACES_FEATURE = "http://xml.org/sax/features/namespaces";
+  private static final String SAX_VALIDATION_FEATURE = "http://xml.org/sax/features/validation";
+
+  private static final String XERCES_SCHEMA_VALIDATION_FEATURE = 
+    "http://apache.org/xml/features/validation/schema";
+  private static final String XERCES_NORMALIZED_VALUE_FEATURE =  
+    "http://apache.org/xml/features/validation/schema/normalized-value";
+  private static final String XERCES_INCLUDE_IGNORABLE_WHITESPACE_FEATURE =
+    "http://apache.org/xml/features/dom/include-ignorable-whitespace";
+  private static final String XERCES_CREATE_ENTITY_REF_NODES_FEATURE =
+    "http://apache.org/xml/features/dom/create-entity-ref-nodes";
+  protected static final String XERCES_DEFER_NODE_EXPANSION_ =
+    "http://apache.org/xml/features/dom/defer-node-expansion";
+  protected static final String XERCES_AUGMENT_PSI_ =
+	"http://apache.org/xml/features/validation/schema/augment-psvi";
+	  
+  private static final int BIG_PRIME = 2039;
+
+  private static Logger logger_ = Logger.getLogger(Constants.LH_INIT_);
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  /**
+   * Initializes the web application.
+   * 
+   * @see javax.servlet.ServletContextListener#contextInitialized(javax.servlet.ServletContextEvent)
+   */
+  public void contextInitialized(ServletContextEvent event)
+  {
+    logger_.debug("Context is being initialized.");
+    
+    ServletContext context = event.getServletContext();
+    
+    String initPropsLoc = System.getProperty(Constants.INIT_PROPS_LOC_);
+    if (initPropsLoc == null)
+    {
+      logger_.fatal("System property \"" + Constants.INIT_PROPS_LOC_ + "\" not set.");
+      logger_.fatal("Web application initialization failed.");
+      return;
+    }
+    
+    // Load init properties
+    try
+    {
+      logger_.debug("Init properties location \"" + initPropsLoc + "\" will be used.");
+      
+      // Try to interpret init properties location as relative to the web application root
+      InputStream initPropsIS = context.getResourceAsStream(initPropsLoc);
+      
+      if (initPropsIS == null)
+      {
+        // If this does not work, try to interpret init properties location as an absolute file system path
+        initPropsIS = new FileInputStream(initPropsLoc);
+      }
+      
+      Properties initProps = new Properties();
+      initProps.load(initPropsIS);
+      context.setAttribute(Constants.WSCP_INIT_PROPS_, initProps);
+
+      // Prepare application bean knowing about init properties
+      InitPropertiesBean initPropsBean = new InitPropertiesBean(initProps);
+      context.setAttribute(Constants.WSCP_INITPROPS_BEAN_, initPropsBean);
+    }
+    catch (IOException e)
+    {
+      logger_.fatal("Cannot load initialization properties from location \"" + initPropsLoc + "\".", e);
+      logger_.fatal("Web application initialization failed.");
+      return;
+    }
+    
+    // Initialize XML parser
+    SymbolTable symbolTable = new SymbolTable(BIG_PRIME);
+    XMLGrammarPool grammarPool = new XMLGrammarPoolImpl();
+
+    XMLGrammarPreparser preparser = new XMLGrammarPreparser(symbolTable);
+    preparser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null);
+    preparser.setProperty(org.apache.xerces.impl.Constants.XERCES_PROPERTY_PREFIX
+      + org.apache.xerces.impl.Constants.XMLGRAMMAR_POOL_PROPERTY, grammarPool);
+    preparser.setFeature(SAX_NAMESPACES_FEATURE, true);
+    preparser.setFeature(SAX_VALIDATION_FEATURE, true);
+
+    // Schema for MOA 1.3
+    // TODO Maybe remove this?
+    Properties initProps = (Properties) context.getAttribute(Constants.WSCP_INIT_PROPS_);
+    String moaSchemaLoc = initProps.getProperty(Constants.IP_MOA_SCHEMA_);
+    if (!preparseSchema(context, preparser, moaSchemaLoc)) 
+    {
+      logger_.fatal("Web application initialization failed.");
+      return;
+    }
+    
+    // TODO parser is not threadsafe
+    DOMParser xmlParser = new DOMParser(symbolTable, grammarPool);
+    try
+    {
+      xmlParser.setFeature(SAX_NAMESPACES_FEATURE, true);
+      xmlParser.setFeature(SAX_VALIDATION_FEATURE, true);
+      xmlParser.setFeature(XERCES_SCHEMA_VALIDATION_FEATURE, true);
+      xmlParser.setFeature(XERCES_NORMALIZED_VALUE_FEATURE, false);
+      xmlParser.setFeature(XERCES_INCLUDE_IGNORABLE_WHITESPACE_FEATURE, true);
+      xmlParser.setFeature(XERCES_CREATE_ENTITY_REF_NODES_FEATURE, false);
+      xmlParser.setFeature(XERCES_DEFER_NODE_EXPANSION_, true);
+      xmlParser.setFeature(XERCES_AUGMENT_PSI_, false); 
+      xmlParser.setErrorHandler(new XMLParserErrorHandler(false, true, true));
+    }
+    catch (SAXException e)
+    {
+      String message = "Initialization of XML parser failed.";
+      logger_.fatal(message, e);
+      logger_.fatal("Web application initialization failed.");
+      return;
+    }
+    context.setAttribute(Constants.WSCP_XMLPARSER_, xmlParser);
+    
+    String message = "Web application initialization succeeded.";
+    logger_.info(message);
+  }
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  /**
+   * Does some clean up at finalization of the web application.
+   * 
+   * @see javax.servlet.ServletContextListener#contextDestroyed(javax.servlet.ServletContextEvent)
+   */
+  public void contextDestroyed(ServletContextEvent event)
+  {
+    // Remove init properties from web service context
+    Properties initProps = (Properties) event.getServletContext().getAttribute(Constants.WSCP_INIT_PROPS_);
+    if (initProps != null) event.getServletContext().removeAttribute(Constants.WSCP_INIT_PROPS_);
+  }
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  private boolean preparseSchema(ServletContext context, XMLGrammarPreparser preparser, String schemaLoc) 
+  {
+    InputStream schemaIS = context.getResourceAsStream(schemaLoc);
+    if (schemaIS == null)
+    {
+      String message = "Cannot load schema from location \"" + schemaLoc + "\".";
+      logger_.fatal(message);
+      return false;
+    }
+    try
+    {
+      String schemaSystemId = context.getResource(schemaLoc).toExternalForm();
+      preparser.preparseGrammar(XMLGrammarDescription.XML_SCHEMA,
+        new XMLInputSource(null, schemaSystemId, null, schemaIS, null));
+    }
+    catch (Exception e)
+    {
+      String message = "Parsing schema loaded from location \"" + schemaLoc + "\" failed.";
+      logger_.fatal(message, e);
+      return false;
+    }
+    return true;
+  }
+}
diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/InitPropertiesBean.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/InitPropertiesBean.java
new file mode 100644
index 000000000..7b7e1eb11
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/InitPropertiesBean.java
@@ -0,0 +1,33 @@
+package at.gv.egovernment.moa.ss.erechtclient.init;
+
+import java.util.Properties;
+
+import org.apache.log4j.Logger;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@siemens.com) 
+ */
+public class InitPropertiesBean 
+{
+  private Properties initProps_;
+  
+  private static Logger logger_ = Logger.getLogger(Constants.LH_BEANS_);
+  
+  public InitPropertiesBean(Properties props)
+  {
+    initProps_ = props;
+  }
+  
+  public String getWebAppHostPort()
+  {
+    String webAppHostPort = initProps_.getProperty(Constants.IP_WEBAPP_HOST_PORT_);
+    logger_.debug("MOA SS E-Recht Client web application host/port: " + webAppHostPort);
+    if (webAppHostPort == null || webAppHostPort.trim().length() == 0)
+    {
+      String defaultWebAppHostPath = Constants.DV_WEBAPP_HOST_PATH_;
+      logger_.info("MOA SS E-Recht Client web application host/port property not available, using default (" + defaultWebAppHostPath + ")");
+      return defaultWebAppHostPath;
+    }
+    else return webAppHostPort;
+  }
+}
diff --git a/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/XMLParserErrorHandler.java b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/XMLParserErrorHandler.java
new file mode 100644
index 000000000..a954d35d9
--- /dev/null
+++ b/erecht.client.ss/src/at/gv/egovernment/moa/ss/erechtclient/init/XMLParserErrorHandler.java
@@ -0,0 +1,65 @@
+/*
+ * Created on 02.12.2003
+ *
+ * (c) Stabsstelle IKT-Strategie des Bundes
+ */
+package at.gv.egovernment.moa.ss.erechtclient.init;
+
+import org.apache.log4j.Logger;
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.SAXException;
+import org.xml.sax.SAXParseException;
+
+import at.gv.egovernment.moa.ss.erechtclient.init.Constants;
+
+/**
+ * @author Gregor Karlinger (mailto:gregor.karlinger@cio.gv.at) 
+ */
+public class XMLParserErrorHandler implements ErrorHandler
+{
+  private static Logger logger_ = Logger.getLogger(Constants.LH_XMLPARSER_);
+
+  private boolean reportWarning_, reportError_, reportFatal_;
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  public XMLParserErrorHandler(boolean reportWarning, boolean reportError, boolean reportFatal)
+  {
+    reportWarning_ = reportWarning;
+    reportError_ = reportError;
+    reportFatal_ = reportFatal;
+  }
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  /**
+   * @see org.xml.sax.ErrorHandler#warning(org.xml.sax.SAXParseException)
+   */
+  public void warning(SAXParseException exception) throws SAXException
+  {
+    logger_.warn("XML parser reported a warning.", exception);
+    if (reportWarning_) throw exception;
+  }
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  /**
+   * @see org.xml.sax.ErrorHandler#error(org.xml.sax.SAXParseException)
+   */
+  public void error(SAXParseException exception) throws SAXException
+  {
+    logger_.error("XML parser reported an error.", exception);
+    if (reportError_) throw exception;
+  }
+
+  /* ---------------------------------------------------------------------------------------------------- */
+
+  /**
+   * @see org.xml.sax.ErrorHandler#fatalError(org.xml.sax.SAXParseException)
+   */
+  public void fatalError(SAXParseException exception) throws SAXException
+  {
+    logger_.error("XML parser reported a fatal error.", exception);
+    if (reportFatal_) throw exception;
+  }
+}