Certificate Download Server + Searching for Placeholder

22 files changed, 777 insertions, 73 deletions

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java
index 9528ac4d..d29e99e4 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Constants.java
@@ -68,7 +68,10 @@ public class Constants {
 	/** The signature placeholder cache properties file name */
 	public static final String PLACEHOLDER_CACHE_PROPS_FILENAME = ".placeholder.properties"; //$NON-NLS-1$
 
-	/** The minimum PDF-AS configuration version (older ones will be backed up and updated */
+	/**
+	 * The minimum PDF-AS configuration version (older ones will be backed up
+	 * and updated
+	 */
 	public static final String MIN_PDF_AS_CONFIG_VERSION = "4.1.0"; //$NON-NLS-1$
 
 	/** The configuration backup filename */
@@ -107,23 +110,24 @@ public class Constants {
 	/** False */
 	public static final String FALSE = "false"; //$NON-NLS-1$
 
-
 	/* Configuration parameters */
 
 	/** The bku config parameter */
 	public static final String CFG_BKU = "BKU"; //$NON-NLS-1$
 
-	/** The value for the Signature position in the configuration file
-	 * values for this entry are:
+	/**
+	 * The value for the Signature position in the configuration file values for
+	 * this entry are:
 	 *
 	 * x=vx;y=vy;p=vp or auto
 	 *
-	 * vx:= float value
-	 * vy:= float value
-	 * vp:= integer value
+	 * vx:= float value vy:= float value vp:= integer value
 	 */
 	public static final String CFG_SIGNATURE_POSITION = "SIGNATURE_POSITION"; //$NON-NLS-1$
 
+	/** The use marker parameter (true/false) */
+	public static final String CFG_USE_MARKER = "USE_MARKER"; //$NON-NLS-1$
+
 	/** The signature placeholder transparency config parameter (0-255) */
 	public static final String CFG_SIGNATURE_PLACEHOLDER_TRANSPARENCY = "SIGNATURE_PLACEHOLDER_TRANSPARENCY"; //$NON-NLS-1$
 
@@ -195,7 +199,9 @@ public class Constants {
 
 	/** The theme */
 	public static final String CFG_THEME = "THEME"; //$NON-NLS-1$
-
+	
+	/** Download URL for accepted Certificates*/
+	public static final String CFG_DOWNLOAD_URL="DOWNLOAD_URL"; //$NON-NLS-1$
 
 	/* Theme constants */
 
@@ -207,10 +213,10 @@ public class Constants {
 
 	/** The used theme */
 	public static final Themes THEME = getTheme();
+
 	private static Themes getTheme() {
 		File f = new File(CONFIG_DIRECTORY + File.separatorChar + DEFAULT_CONFIG_FILENAME);
-		if (f.canRead())
-		{
+		if (f.canRead()) {
 			try {
 				Properties config = new Properties();
 				config.load(new FileInputStream(f));
@@ -235,35 +241,37 @@ public class Constants {
 	public static final Color MAINBAR_ACTIVE_BACK_LIGHT = getMainbarActiveBackLight();
 	private static Color getMainbarActiveBackLight() {
 		switch (THEME) {
-			default:
-			case DEFAULT:
-				return new Color(display, 0xB4, 0xCD, 0xEC);
-			case GEMPLUSH:
-				return new Color(display, 0xEC, 0xAD, 0xE7);
+		default:
+		case DEFAULT:
+			return new Color(display, 0xB4, 0xCD, 0xEC);
+		case GEMPLUSH:
+			return new Color(display, 0xEC, 0xAD, 0xE7);
 		}
 	}
 
 	/** Main bar active background - dark end of gradient */
 	public static final Color MAINBAR_ACTIVE_BACK_DARK = getMainbarActiveBackDark();
+
 	private static Color getMainbarActiveBackDark() {
 		switch (THEME) {
-			default:
-			case DEFAULT:
-				return new Color(display, 0x6B, 0xA5, 0xD9);
-			case GEMPLUSH:
-				return new Color(display, 0xD9, 0x53, 0x9C);
+		default:
+		case DEFAULT:
+			return new Color(display, 0x6B, 0xA5, 0xD9);
+		case GEMPLUSH:
+			return new Color(display, 0xD9, 0x53, 0x9C);
 		}
 	}
 
 	/** Main bar inactive background */
 	public static final Color MAINBAR_INACTIVE_BACK = getMainbarInactiveBack();
+
 	private static Color getMainbarInactiveBack() {
 		switch (THEME) {
-			default:
-			case DEFAULT:
-				return new Color(display, 0xD4, 0xE7, 0xF1);
-			case GEMPLUSH:
-				return new Color(display, 0xF1, 0xD1, 0xE8);
+		default:
+		case DEFAULT:
+			return new Color(display, 0xD4, 0xE7, 0xF1);
+		case GEMPLUSH:
+			return new Color(display, 0xF1, 0xD1, 0xE8);
 		}
 	}
 
@@ -275,7 +283,7 @@ public class Constants {
 
 	/** Drop background color */
 	public static final Color DROP_BACK = new Color(display, 0xFF, 0xFF, 0xFF);
-	
+
 	/** Drop border color */
 	public static final Color DROP_BORDER_COLOR = MAINBAR_ACTIVE_BACK_LIGHT;
 
@@ -291,7 +299,6 @@ public class Constants {
 	/** Big text size */
 	public static final int TEXT_SIZE_BIG = 14;
 
-
 	/* Resources */
 
 	/** Shell icon resource */
@@ -299,13 +306,14 @@ public class Constants {
 
 	/** Config image resource */
 	public static final String RES_IMG_CONFIG = getResImgConfig();
+
 	private static String getResImgConfig() {
 		switch (THEME) {
-			default:
-			case DEFAULT:
-				return "/img/config.png"; //$NON-NLS-1$
-			case GEMPLUSH:
-				return "/img/config_p.png"; //$NON-NLS-1$
+		default:
+		case DEFAULT:
+			return "/img/config.png"; //$NON-NLS-1$
+		case GEMPLUSH:
+			return "/img/config_p.png"; //$NON-NLS-1$
 		}
 	}
 
@@ -332,4 +340,15 @@ public class Constants {
 
 	/** Accepted certificate list resource */
 	public static final String RES_CERT_LIST = RES_CERT_PATH + "certificates.xml"; //$NON-NLS-1$
+
+	/** Accepted certificate list config */
+	public static final String RES_CERT_PATH_ADDED = CONFIG_DIRECTORY + "/certificates/tobeadded/"; //$NON-NLS-1$
+
+	/** Accepted certificate list resource */
+	public static final String RES_CERT_LIST_ADDED = RES_CERT_PATH_ADDED + "certificates.xml"; //$NON-NLS-1$
+
+	/** Download URL for accepted certificates */
+	public static final String CERTIFICATE_DOWNLOAD_XML_URL = "https://www.buergerkarte.at/trust/"; //$NON-NLS-1$
+	
+	public static final String CERTIFICATE_XML_FILE = "certificates.xml"; //$NON-NLS-1$
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Main.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Main.java
index 5d634f39..06150aa2 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Main.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/Main.java
@@ -15,20 +15,39 @@
  */
 package at.asit.pdfover.gui;
 
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
 //Imports
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.IOException;
+import java.net.URL;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
 
+import javax.security.auth.login.Configuration;
 import javax.swing.JOptionPane;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
 
 import org.apache.log4j.PropertyConfigurator;
 import org.eclipse.swt.SWT;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
 
 import at.asit.pdfover.gui.exceptions.InitializationException;
+import at.asit.pdfover.gui.utils.CertificateDownloadSource;
 import at.asit.pdfover.gui.utils.Messages;
 import at.asit.pdfover.gui.utils.SWTLoader;
 import at.asit.pdfover.gui.workflow.StateMachineImpl;
+import at.asit.pdfover.gui.workflow.config.ConfigProvider;
+import at.asit.pdfover.gui.workflow.config.ConfigProviderImpl;
 
 /**
  * Main entry point for production
@@ -39,11 +58,13 @@ public class Main {
 	 * SLF4J Logger instance
 	 **/
 	private static final Logger log = LoggerFactory.getLogger(Main.class);
-	
+	private static URL url=null;
+
 	/**
 	 * @param args
+	 * @throws IOException 
 	 */
-	public static void main(String[] args) {
+	public static void main(String[] args) throws IOException {
 		log.debug("Loading SWT libraries"); //$NON-NLS-1$
 		try {
 			SWTLoader.loadSWT();
@@ -57,24 +78,39 @@ public class Main {
 		log.info("===== Starting " + Constants.APP_NAME_VERSION + " ====="); //$NON-NLS-1$ //$NON-NLS-2$
 
 		File configDir = new File(Constants.CONFIG_DIRECTORY);
-		if(!configDir.exists()) {
+	
+		if (!configDir.exists()) {
+			try {
+				FileOutputStream fis = new FileOutputStream(new File(Constants.RES_CERT_LIST_ADDED));
+			} catch (FileNotFoundException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
 			configDir.mkdir();
 		}
+		
 
 		File log4j = new File(configDir.getAbsolutePath() + File.separator + Constants.DEFAULT_LOG4J_FILENAME);
-		if(log4j.exists()) {
+		if (log4j.exists()) {
 			PropertyConfigurator.configureAndWatch(log4j.getAbsolutePath());
 		}
-
+		
+		
 		log.debug("SWT version: " + SWT.getVersion()); //$NON-NLS-1$
 
 		StateMachineImpl stateMachine = new StateMachineImpl(args);
-
+		
 		log.debug("Starting stateMachine ..."); //$NON-NLS-1$
 		stateMachine.start();
+		//Download Certificates//
+		CertificateDownloadSource.getAcceptedCertificates();
+		
 		log.debug("Ended stateMachine ..."); //$NON-NLS-1$
 
+
 		// Workaround for remaining AWT-Shutdown thread on OSX
 		System.exit(0);
 	}
+
+
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/BKUHelper.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/BKUHelper.java
index 427afad5..82d6f07d 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/BKUHelper.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/BKUHelper.java
@@ -15,9 +15,9 @@
  */
 package at.asit.pdfover.gui.bku;
 
-// Imports
 import org.apache.commons.httpclient.HttpClient;
 import org.apache.commons.httpclient.UsernamePasswordCredentials;
+// Imports
 import org.apache.commons.httpclient.auth.AuthScope;
 import org.apache.http.client.config.CookieSpecs;
 import org.slf4j.Logger;
@@ -35,6 +35,30 @@ public class BKUHelper {
 	@SuppressWarnings("unused")
 	private static final Logger log = LoggerFactory.getLogger(BKUHelper.class);
 
+	/* public static HttpClient getHttpClient(boolean useProxy) {
+	 HttpClient client = new HttpClient();
+	 client.getParams().setParameter("http.useragent", //$NON-NLS-1$
+	 Constants.USER_AGENT_STRING);
+	
+	  if (useProxy) {
+	 String host = System.getProperty("http.proxyHost"); //$NON-NLS-1$
+	 String port = System.getProperty("http.proxyPort"); //$NON-NLS-1$
+	 if (host != null && !host.isEmpty() &&
+	 port != null && !port.isEmpty()) {
+	 int p = Integer.parseInt(port);
+	 client.getHostConfiguration().setProxy(host, p);
+	 String user = System.getProperty("http.proxyUser"); //$NON-NLS-1$
+	 String pass = System.getProperty("http.proxyPassword"); //$NON-NLS-1$
+	 if (user != null && !user.isEmpty() && pass != null) {
+	 client.getState().setProxyCredentials(new AuthScope(host, p),
+	 new UsernamePasswordCredentials(user, pass));
+	 }
+	 }
+	 }
+	
+	 return client;
+	 }*/
+
 	/**
 	 * Get a HTTP Client instance
 	 * 
@@ -42,25 +66,23 @@ public class BKUHelper {
 	 *            whether to use a potentially set proxy
 	 * @return the HttpClient
 	 */
+	@SuppressWarnings("deprecation")
 	public static HttpClient getHttpClient(boolean useProxy) {
 		HttpClient client = new HttpClient();
 		client.getParams().setParameter("http.useragent", //$NON-NLS-1$
 				Constants.USER_AGENT_STRING);
 
-		client.getParams().setParameter("http.protocol.cookie-policy", CookieSpecs.BROWSER_COMPATIBILITY);
+
+		client.getParams().setParameter("http.protocol.cookie-policy", CookieSpecs.BROWSER_COMPATIBILITY); //$NON-NLS-1$
 
 		if (useProxy) {
-			String host = System.getProperty("http.proxyHost");
-			// $NON-NLS-1$
-			String port = System.getProperty("http.proxyPort");
-			// $NON-NLS-1$
+			String host = System.getProperty("http.proxyHost");//$NON-NLS-1$
+			String port = System.getProperty("http.proxyPort");//$NON-NLS-1$
 			if (host != null && !host.isEmpty() && port != null && !port.isEmpty()) {
 				int p = Integer.parseInt(port);
 				client.getHostConfiguration().setProxy(host, p);
-				String user = System.getProperty("http.proxyUser");
-				// $NON-NLS-1$
-				String pass = System.getProperty("http.proxyPassword");
-				// $NON-NLS-1$
+				String user = System.getProperty("http.proxyUser");//$NON-NLS-1$
+				String pass = System.getProperty("http.proxyPassword");//$NON-NLS-1$
 				if (user != null && !user.isEmpty() && pass != null) {
 					client.getState().setProxyCredentials(new AuthScope(host, p),
 							new UsernamePasswordCredentials(user, pass));
@@ -69,6 +91,7 @@ public class BKUHelper {
 		}
 
 		return client;
+
 	}
 
 	/**
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java
index eb1b57d6..1c88499a 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/LocalBKUConnector.java
@@ -18,6 +18,7 @@ package at.asit.pdfover.gui.bku;
 // Imports

 import java.io.IOException;

 

+

 import org.apache.commons.httpclient.HttpClient;

 import org.apache.commons.httpclient.HttpException;

 import org.apache.commons.httpclient.HttpMethod;

diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java
index bceb59fb..ec4b674b 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java
@@ -15,12 +15,15 @@
  */
 package at.asit.pdfover.gui.bku.mobile;
 
+import java.io.File;
+import java.io.FileInputStream;
 // Imports
 import java.security.KeyStore;
 import java.security.cert.CertificateException;
 import java.security.cert.CertificateFactory;
 import java.security.cert.X509Certificate;
 import java.util.Arrays;
+import java.util.List;
 
 import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactory;
@@ -82,7 +85,7 @@ public class SimpleXMLTrustManager implements X509TrustManager {
 		}
 
 		/*
-		 * A-Trust Certificates
+		 *Certificates
 		 */
 
 		KeyStore myKeyStore = KeyStore.getInstance(KeyStore
@@ -93,16 +96,25 @@ public class SimpleXMLTrustManager implements X509TrustManager {
 		Document doc = DocumentBuilderFactory.newInstance()
 				.newDocumentBuilder()
 				.parse(this.getClass().getResourceAsStream(Constants.RES_CERT_LIST));
-
+		
+		
+			File added_cert = new File(Constants.RES_CERT_LIST_ADDED);
+			
+			Document doc_added = DocumentBuilderFactory.newInstance()
+					.newDocumentBuilder()
+					.parse(added_cert);
+		
+		Node certificates_added = doc_added.getFirstChild();		
 		Node certificates = doc.getFirstChild();
 
-		if (!certificates.getNodeName().equals("certificates")) { //$NON-NLS-1$
+		if (!certificates.getNodeName().equals("certificates") && !certificates_added.getNodeName().equals("certificates")) { //$NON-NLS-1$
 			throw new Exception(
 					"Used certificates xml is invalid! no certificates node"); //$NON-NLS-1$
 		}
 
+		NodeList certificates_added_list = certificates_added.getChildNodes();
 		NodeList certificateList = certificates.getChildNodes();
-
+		
 		for (int i = 0; i < certificateList.getLength(); i++) {
 			try {
 
@@ -117,7 +129,7 @@ public class SimpleXMLTrustManager implements X509TrustManager {
 					continue;
 				}
 
-				String certResource = Constants.RES_CERT_PATH + certificateNode.getTextContent();
+				String certResource = Constants.RES_CERT_PATH_ADDED + certificateNode.getTextContent();
 
 				X509Certificate cert = (X509Certificate) CertificateFactory
 						.getInstance("X509"). //$NON-NLS-1$
@@ -133,6 +145,39 @@ public class SimpleXMLTrustManager implements X509TrustManager {
 				log.error("Failed to load certificate [" + "]", ex); //$NON-NLS-1$ //$NON-NLS-2$
 			}
 		}
+		
+		for (int i = 0; i < certificates_added_list.getLength(); i++) {
+			try {
+
+				Node certificateNode = certificates_added_list.item(i);
+
+				if (certificateNode.getNodeName().equals("#text")) { //$NON-NLS-1$
+					continue; // Ignore dummy text node ..
+				}
+
+				if (!certificateNode.getNodeName().equals("certificate")) { //$NON-NLS-1$
+					log.warn("Ignoring XML node: " + certificateNode.getNodeName()); //$NON-NLS-1$
+					continue;
+				}
+
+				String certResource = Constants.RES_CERT_PATH_ADDED + certificateNode.getTextContent();
+
+				FileInputStream addedNode = new FileInputStream(certResource);
+				
+				X509Certificate cert = (X509Certificate) CertificateFactory
+						.getInstance("X509"). //$NON-NLS-1$
+						generateCertificate(
+								addedNode);
+
+				myKeyStore.setCertificateEntry(certificateNode.getTextContent(), cert);
+
+				log.debug("Loaded certificate : " + certResource); //$NON-NLS-1$
+
+			} catch (Exception ex) {
+				log.error("Failed to load certificate [" + "]", ex); //$NON-NLS-1$ //$NON-NLS-2$
+			}
+		}
+		
 
 		tmf.init(myKeyStore);
 
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java
index b9021094..34626f82 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/composites/AdvancedConfigurationComposite.java
@@ -81,6 +81,7 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 	private Group grpSignatur;
 	Button btnAutomatischePositionierung;
 	Button btnPdfACompat;
+	Button btnPlatzhalterVerwenden;
 	private Label lblTransparenz;
 	private Label lblTransparenzLinks;
 	private Label lblTransparenzRechts;
@@ -174,11 +175,30 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 					}
 				});
 
+		this.btnPlatzhalterVerwenden = new Button(this.grpSignatur, SWT.CHECK);
+		FormData fd_btnPlatzhalterVerwenden = new FormData();
+		fd_btnPlatzhalterVerwenden.right = new FormAttachment(100, -5);
+		fd_btnPlatzhalterVerwenden.top = new FormAttachment(this.btnAutomatischePositionierung, 5);
+		fd_btnPlatzhalterVerwenden.left = new FormAttachment(0, 5);
+		this.btnPlatzhalterVerwenden.setLayoutData(fd_btnPlatzhalterVerwenden);
+
+		FontData[] fD_btnPlatzhalterVerwenden = this.btnPlatzhalterVerwenden.getFont().getFontData();
+		fD_btnPlatzhalterVerwenden[0].setHeight(Constants.TEXT_SIZE_BUTTON);
+		this.btnPlatzhalterVerwenden.setFont(new Font(Display.getCurrent(), fD_btnPlatzhalterVerwenden[0]));
+
+		this.btnPlatzhalterVerwenden.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				AdvancedConfigurationComposite.this.performUseMarkerSelection(
+						AdvancedConfigurationComposite.this.btnPlatzhalterVerwenden.getSelection());
+			}
+		});
+
 		this.btnPdfACompat = new Button(this.grpSignatur, SWT.CHECK);
 		FormData fd_btnPdfACompat = new FormData();
 		fd_btnPdfACompat.right = new FormAttachment(100, -5);
 		fd_btnPdfACompat.top = new FormAttachment(
-				this.btnAutomatischePositionierung, 5);
+				this.btnPlatzhalterVerwenden, 5);
 		fd_btnPdfACompat.left = new FormAttachment(0, 5);
 		this.btnPdfACompat
 				.setLayoutData(fd_btnPdfACompat);
@@ -836,6 +856,11 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 		this.btnAutomatischePositionierung.setSelection(automatic);
 	}
 
+	void performUseMarkerSelection(boolean useMarker) {
+		this.configurationContainer.setUseMarker(useMarker);
+		this.btnPlatzhalterVerwenden.setSelection(useMarker);
+	}
+
 	void performPdfACompatSelection(boolean compat) {
 		this.configurationContainer.setSignaturePdfACompat(compat);
 		this.btnPdfACompat.setSelection(compat);
@@ -973,6 +998,9 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 	public void initConfiguration(PersistentConfigProvider provider) {
 		this.configurationContainer.setDefaultSignaturePosition(
 				provider.getDefaultSignaturePositionPersistent());
+		this.configurationContainer.setUseMarker(provider.getUseMarker());
+		this.configurationContainer.setDownloadURL(
+				provider.getDownloadURL());
 		this.configurationContainer.setSignaturePdfACompat(
 				provider.getSignaturePdfACompat());
 		this.configurationContainer.setPlaceholderTransparency(
@@ -1021,6 +1049,7 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 		SignaturePosition pos = this.configurationContainer
 				.getDefaultSignaturePosition();
 		performPositionSelection(pos != null && pos.useAutoPositioning());
+		performUseMarkerSelection(this.configurationContainer.getUseMarker());
 		this.sclTransparenz.setSelection(this.configurationContainer
 				.getPlaceholderTransparency());
 		performLocaleSelectionChanged(this.configurationContainer.getLocale());
@@ -1038,15 +1067,15 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 			this.txtProxyHost.setText(host);
 		}
 
-//		String user = this.configurationContainer.getProxyUser();
-//		if (user != null) {
-//			this.txtProxyUser.setText(user);
-//		}
-//
-//		String pass = this.configurationContainer.getProxyPass();
-//		if (pass != null) {
-//			this.txtProxyPass.setText(pass);
-//		}
+		/*String user = this.configurationContainer.getProxyUser();
+		if (user != null) {
+		this.txtProxyUser.setText(user);
+	}
+
+		String pass = this.configurationContainer.getProxyPass();
+		if (pass != null) {
+			this.txtProxyPass.setText(pass);
+		}*/
 }
 
 
@@ -1058,6 +1087,7 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 			PersistentConfigProvider provider) {
 		store.setDefaultSignaturePosition(
 				this.configurationContainer.getDefaultSignaturePosition());
+		store.setUseMarker(this.configurationContainer.getUseMarker());
 		store.setSignaturePdfACompat(
 				this.configurationContainer.getSignaturePdfACompat());
 		store.setPlaceholderTransparency(
@@ -1157,6 +1187,8 @@ public class AdvancedConfigurationComposite extends BaseConfigurationComposite {
 				.getString("advanced_config.AutoPosition")); //$NON-NLS-1$
 		this.btnAutomatischePositionierung.setToolTipText(Messages
 				.getString("advanced_config.AutoPosition_ToolTip")); //$NON-NLS-1$
+		this.btnPlatzhalterVerwenden.setText(Messages.getString("advanced_config.UseMarker")); //$NON-NLS-1$
+		this.btnPlatzhalterVerwenden.setToolTipText(Messages.getString("advanced_config.UseMarker_ToolTip")); //$NON-NLS-1$
 		this.btnPdfACompat.setText(Messages
 				.getString("advanced_config.PdfACompat")); //$NON-NLS-1$
 		this.btnPdfACompat.setToolTipText(Messages
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java
new file mode 100644
index 00000000..ecd31472
--- /dev/null
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java
@@ -0,0 +1,187 @@
+package at.asit.pdfover.gui.utils;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+//Imports
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.FileReader;
+import java.io.IOException;
+import java.net.URL;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+
+import javax.security.auth.login.Configuration;
+import javax.swing.JOptionPane;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import org.apache.log4j.PropertyConfigurator;
+import org.eclipse.swt.SWT;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+import at.asit.pdfover.gui.Constants;
+import at.asit.pdfover.gui.exceptions.InitializationException;
+import at.asit.pdfover.gui.utils.Messages;
+import at.asit.pdfover.gui.utils.SWTLoader;
+import at.asit.pdfover.gui.workflow.StateMachineImpl;
+import at.asit.pdfover.gui.workflow.config.ConfigProvider;
+import at.asit.pdfover.gui.workflow.config.ConfigProviderImpl;
+
+
+/**
+ * Download of accepted certificates
+ */
+public class CertificateDownloadSource {
+	
+	/**
+	 * SLF4J Logger instance
+	 **/
+	/**
+	 * SLF4J Logger instance
+	 **/
+	private static final Logger log = LoggerFactory.getLogger(CertificateDownloadSource.class);
+	private static URL url=null;
+	
+	/**
+	 * 
+	 */
+	public static void getAcceptedCertificates()
+	{
+	try {
+			
+			ConfigProviderImpl cpi = new ConfigProviderImpl();
+		
+			String url= cpi.getDownloadURL();
+			if (url.equals(null) || url.equals("")) //$NON-NLS-1$
+			{
+				url = Constants.CERTIFICATE_DOWNLOAD_XML_URL+Constants.CERTIFICATE_XML_FILE;
+		
+			}
+			else
+			{
+				url+=Constants.CERTIFICATE_XML_FILE;
+			}
+			log.info("===== Starting to download accepted certificate =====");
+		
+			
+			BufferedInputStream bis = new BufferedInputStream(new URL(url).openStream());
+			FileOutputStream fis2 = new FileOutputStream(new File(Constants.RES_CERT_LIST_ADDED));
+			byte[] buffer = new byte[1024];
+			int count = 0;
+			while ((count = bis.read(buffer, 0, 1024)) != -1) {
+				fis2.write(buffer, 0, count);
+			}
+			fis2.close();
+			bis.close();
+			downloadCertificatesFromServer();
+
+		} catch (IOException e) {
+			File f = new File(Constants.RES_CERT_LIST_ADDED);
+			e.printStackTrace();}
+		
+		
+	
+		
+	//	downloadCertificatesFromServer();
+		
+	}
+	
+	/**
+	 * Download accepted Certificates from Server
+	 */
+	public static void downloadCertificatesFromServer()
+	{
+
+		BufferedReader br = null;
+		FileReader fr = null;
+
+		try {
+			File added_cert = new File(Constants.RES_CERT_LIST_ADDED);
+	
+			
+			Document doc_added = DocumentBuilderFactory.newInstance()
+					.newDocumentBuilder()
+					.parse(added_cert);
+			
+			
+			Node certificates_added = doc_added.getFirstChild();
+			NodeList certificates_added_list = certificates_added.getChildNodes();
+			
+			//identify the certificate that has to be downloaded
+			for (int i = 0; i < certificates_added_list.getLength(); i++) {
+				try {
+
+					Node certificateNode = certificates_added_list.item(i);
+
+					if (certificateNode.getNodeName().equals("#text")) { //$NON-NLS-1$
+						continue; // Ignore dummy text node ..
+					}
+
+					if (!certificateNode.getNodeName().equals("certificate")) { //$NON-NLS-1$
+						log.warn("Ignoring XML node: " + certificateNode.getNodeName()); //$NON-NLS-1$
+						continue;
+					}
+
+					ConfigProviderImpl cpi = new ConfigProviderImpl();
+
+					String certResource = cpi.getDownloadURL().toString() + certificateNode.getTextContent();
+				
+					//String certResource = Constants.CERTIFICATE_DOWNLOAD_XML_URL + certificateNode.getTextContent();
+			        BufferedInputStream bis = new BufferedInputStream(new URL(certResource).openStream());
+			        FileOutputStream fis = new FileOutputStream(new File(Constants.RES_CERT_PATH_ADDED+certificateNode.getTextContent()));
+			        byte[] buffer = new byte[1024];
+			        int count=0;  
+			        while((count = bis.read(buffer,0,1024)) != -1)
+			        {
+			            fis.write(buffer, 0, count);
+			        }
+			        fis.close();
+			        bis.close();
+
+
+				} catch (Exception ex) {
+					log.error("Failed to load certificate [" + "]", ex); //$NON-NLS-1$ //$NON-NLS-2$
+				}
+			}
+			
+			
+			
+			
+
+		} catch (IOException e) {
+
+			e.printStackTrace();
+
+		} catch (SAXException e) {
+
+			e.printStackTrace();
+		} catch (ParserConfigurationException e) {
+
+			e.printStackTrace();
+		} finally {
+
+			try {
+
+				if (br != null)
+					br.close();
+
+				if (fr != null)
+					fr.close();
+
+			} catch (IOException ex) {
+
+				ex.printStackTrace();
+
+			}
+
+		}
+
+	}
+
+}
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java
index b506a182..b2367a85 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java
@@ -15,6 +15,9 @@
  */
 package at.asit.pdfover.gui.workflow;
 
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
 //Imports
 import java.lang.reflect.Constructor;
 
@@ -24,9 +27,11 @@ import org.eclipse.swt.widgets.Shell;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import at.asit.pdfover.gui.Constants;
 import at.asit.pdfover.gui.MainWindow;
 import at.asit.pdfover.gui.controls.Dialog.BUTTONS;
 import at.asit.pdfover.gui.controls.ErrorDialog;
+import at.asit.pdfover.gui.utils.CertificateDownloadSource;
 import at.asit.pdfover.gui.utils.Messages;
 import at.asit.pdfover.gui.workflow.config.ConfigManipulator;
 import at.asit.pdfover.gui.workflow.config.ConfigOverlayManipulator;
@@ -248,8 +253,29 @@ public class StateMachineImpl implements StateMachine, GUIProvider {
 	 * Workflow main entrance point
 	 */
 	public void start() {
+	
 		// Call update to start processing ...
 		update();
+	
+		try {
+			File certificates = new File (Constants.RES_CERT_LIST_ADDED);
+			if (!certificates.exists())
+			{
+				
+					FileOutputStream fis = new FileOutputStream(new File(Constants.RES_CERT_LIST_ADDED));
+					CertificateDownloadSource.getAcceptedCertificates();
+				
+				
+			}
+			else
+			{
+				CertificateDownloadSource.getAcceptedCertificates();
+			}
+			} catch (FileNotFoundException e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+			
 
 		// if a user interaction is required we have a shell ...
 		Shell shell = nonCreatingGetShell();
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/Status.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/Status.java
index 984dc509..f5b078ed 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/Status.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/Status.java
@@ -105,4 +105,19 @@ public interface Status {
 	 * @return the sign result
 	 */
 	public SignResult getSignResult();
+
+	/**
+	 * Checks if search for placeholder signature-flag is on.
+	 *
+	 * @return true, if is search for placeholder signature
+	 */
+	public boolean isSearchForPlaceholderSignature();
+
+	/**
+	 * Sets the search for placeholder signature-flag.
+	 *
+	 * @param value
+	 *            the new search for placeholder signature
+	 */
+	public void setSearchForPlaceholderSignature(boolean value);
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StatusImpl.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StatusImpl.java
index d2618320..7cc94c62 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StatusImpl.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StatusImpl.java
@@ -53,6 +53,7 @@ public class StatusImpl implements Status {
 	
 	private MainWindowBehavior behavior;
 
+	private boolean searchForPlacehoderSignature = false;
 
 	/**
 	 * Constructor
@@ -181,4 +182,25 @@ public class StatusImpl implements Status {
 	public SignResult getSignResult() {
 		return this.signResult;
 	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see at.asit.pdfover.gui.workflow.Status#getConfiguration()
+	 */
+	@Override
+	public boolean isSearchForPlaceholderSignature() {
+		return this.searchForPlacehoderSignature;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * at.asit.pdfover.gui.workflow.Status#setSearchForPlaceholderSignature(
+	 * boolean)
+	 */
+	public void setSearchForPlaceholderSignature(boolean value) {
+		this.searchForPlacehoderSignature = value;
+	}
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigManipulator.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigManipulator.java
index f28358b8..14de050f 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigManipulator.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigManipulator.java
@@ -170,4 +170,21 @@ public interface ConfigManipulator {
 	 * @throws IOException
 	 */
 	public void saveCurrentConfiguration() throws IOException;
+
+	
+	/**
+	 * Sets whether to use an existing signaturemarker.
+	 *
+	 * @param useMarker
+	 *            whether to use an existing signaturemarker
+	 */
+	public void setUseMarker(boolean useMarker);
+	
+	/**
+	 * @param downloadURL 
+	 * @param Sets the DownloadURL for Certificates
+	 */
+	public void setDefaultDownloadURL(String downloadURL);
 }
+
+
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProvider.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProvider.java
index d00860e5..a5180593 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProvider.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProvider.java
@@ -34,185 +34,236 @@ public interface ConfigProvider {
 	 */
 	public static final String SIGN_POS_REGEX = "(x=(\\d\\.?\\d?);y=(\\d\\.?\\d?);p=(\\d))|(auto)|(x=(\\d\\.?\\d?);y=(\\d\\.?\\d?))"; //$NON-NLS-1$
 
-	
 	/**
 	 * Loads the configuration from a configuration file
-	 * @param configSource the configuration file
-	 * @throws IOException 
+	 * 
+	 * @param configSource
+	 *            the configuration file
+	 * @throws IOException
 	 */
 	public void loadConfiguration(InputStream configSource) throws IOException;
 
 	/**
 	 * Gets the configuration file
+	 * 
 	 * @return the configuration file
 	 */
 	public String getConfigurationFile();
 
 	/**
 	 * Gets the configuration directory
+	 * 
 	 * @return the configuration directory
 	 */
 	public String getConfigurationDirectory();
 
 	/**
 	 * Gets the default Mobile number
+	 * 
 	 * @return the default mobile number
 	 */
 	public String getDefaultMobileNumber();
 
 	/**
 	 * Gets the password to use for Mobile BKU
+	 * 
 	 * @return the password
 	 */
 	public String getDefaultMobilePassword();
 
 	/**
 	 * Gets the filename of the default emblem
+	 * 
 	 * @return the emblem
 	 */
 	public String getDefaultEmblem();
-	
+
 	/**
 	 * Gets the proxy host
+	 * 
 	 * @return the proxy hostname or ip address
 	 */
 	public String getProxyHost();
 
 	/**
 	 * Gets the proxy port
+	 * 
 	 * @return the proxy port
 	 */
 	public int getProxyPort();
 
 	/**
 	 * Gets the proxy username
+	 * 
 	 * @return the proxy username
 	 */
 	public String getProxyUser();
 
 	/**
 	 * Gets the proxy password
+	 * 
 	 * @return the proxy password
 	 */
 	public String getProxyPass();
 
 	/**
 	 * Get the default configured BKU
+	 * 
 	 * @return the default configured BKU
 	 */
 	public BKUs getDefaultBKU();
 
 	/**
 	 * Get the default configured SignaturePosition
-	 * @return the default configured SignaturePosition or null if not configured
+	 * 
+	 * @return the default configured SignaturePosition or null if not
+	 *         configured
 	 */
 	public SignaturePosition getDefaultSignaturePosition();
 
 	/**
 	 * Get the transparency of the signature placeholder
+	 * 
 	 * @return the transparency of the signature placeholder
 	 */
 	public int getPlaceholderTransparency();
 
 	/**
 	 * Gets the default output folder for signed documents
-	 * @return the default output folder 
+	 * 
+	 * @return the default output folder
 	 */
 	public String getDefaultOutputFolder();
 
 	/**
 	 * Gets the mobile BKU URL
+	 * 
 	 * @return the mobile BKU URL
 	 */
 	public String getMobileBKUURL();
 
 	/**
 	 * Gets the mobile BKU type
+	 * 
 	 * @return the mobile BKU type
 	 */
 	public MobileBKUs getMobileBKUType();
 
 	/**
 	 * Gets the mobile BKU BASE64 setting
+	 * 
 	 * @return the mobile BKU BASE64 setting
 	 */
 	public boolean getMobileBKUBase64();
 
 	/**
 	 * Get the signature note text to use
+	 * 
 	 * @return the signature note text
 	 */
 	public String getSignatureNote();
 
 	/**
 	 * Gets the configured locale
+	 * 
 	 * @return the configured locale
 	 */
 	public Locale getLocale();
 
 	/**
 	 * Gets the configured locale
+	 * 
 	 * @return the configured locale
 	 */
 	public Locale getSignatureLocale();
 
 	/**
 	 * Get the signature PDF/A compatibility setting
+	 * 
 	 * @return the signature PDF/A compatibility setting
 	 */
 	public boolean getSignaturePdfACompat();
 
 	/**
 	 * Gets whether keystore signing is enabled
+	 * 
 	 * @return whether keystore signing is enabled
 	 */
 	public Boolean getKeyStoreEnabled();
 
 	/**
 	 * Gets the keystore file
+	 * 
 	 * @return the keystore file
 	 */
 	public String getKeyStoreFile();
 
 	/**
 	 * Gets the keystore type
+	 * 
 	 * @return the keystore type
 	 */
 	public String getKeyStoreType();
 
 	/**
 	 * Gets the keystore alias
+	 * 
 	 * @return the keystore alias
 	 */
 	public String getKeyStoreAlias();
 
 	/**
 	 * Gets the keystore store password
+	 * 
 	 * @return the keystore store password
 	 */
 	public String getKeyStoreStorePass();
 
 	/**
 	 * Gets the keystore key password
+	 * 
 	 * @return the keystore key password
 	 */
 	public String getKeyStoreKeyPass();
 
 	/**
 	 * Gets whether to automatically check for application updates
+	 * 
 	 * @return whether to automatically check for application updates
 	 */
 	public boolean getUpdateCheck();
 
 	/**
 	 * Gets the configured MainWindow size
+	 * 
 	 * @return the configured MainWindow size
 	 */
 	public Point getMainWindowSize();
 
 	/**
 	 * Gets whether to skip the finish screen
+	 * 
 	 * @return whether to skip the finish screen
 	 */
 	public boolean getSkipFinish();
+
+	/**
+	 * @param downloadURL
+	 * @param Sets the DownloadURL for Certificates
+	 */
+	public void setDownloadURL(String downloadURL);
+
+	/**
+	 * @return downloadURL for accepted Certificates
+	 */
+	public String getDownloadURL();
+
+	
+
+	/**
+	 * Gets whether to use signature markers.
+	 *
+	 * @return whether to use a signature maker
+	 */
+	public boolean getUseMarker();
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProviderImpl.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProviderImpl.java
index 99fd9747..8242cd03 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProviderImpl.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigProviderImpl.java
@@ -112,6 +112,10 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 		// Set Output Folder
 		setDefaultOutputFolder(config
 				.getProperty(Constants.CFG_OUTPUT_FOLDER));
+		
+		// Set Default Certificate Download URL
+				setDefaultDownloadURL(config
+						.getProperty(Constants.CFG_DOWNLOAD_URL));
 
 		String localeString = config.getProperty(Constants.CFG_LOCALE);
 		
@@ -127,6 +131,10 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 			setSignatureLocale(signatureTargetLocale);
 		}
 
+		String useMarker = config.getProperty(Constants.CFG_USE_MARKER);
+		if(null != useMarker)
+			setUseMarker(useMarker.equalsIgnoreCase(Constants.TRUE));
+
 		String compat = config.getProperty(Constants.CFG_SIGNATURE_PDFA_COMPAT);
 		if (compat != null)
 			setSignaturePdfACompat(compat.equalsIgnoreCase(Constants.TRUE));
@@ -138,6 +146,14 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 			this.configuration.setMobileBKUURL(bkuUrl);
 		}
 
+  		String downloadURL = config
+				.getProperty(Constants.CFG_DOWNLOAD_URL);
+		
+		if (downloadURL != null && !downloadURL.isEmpty()) {
+			this.configuration.setDownloadURL(downloadURL);
+		}
+		
+
 		String bkuType = config
 				.getProperty(Constants.CFG_MOBILE_BKU_TYPE);
 
@@ -327,6 +343,7 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 			props.setProperty(Constants.CFG_PROXY_PASS, proxyPass);
 
 		props.setProperty(Constants.CFG_EMBLEM, getDefaultEmblemPersistent());
+		props.setProperty(Constants.CFG_DOWNLOAD_URL, getDownloadURL());
 		props.setProperty(Constants.CFG_SIGNATURE_NOTE, getSignatureNote());
 		props.setProperty(Constants.CFG_MOBILE_NUMBER, getDefaultMobileNumberPersistent());
 		props.setProperty(Constants.CFG_OUTPUT_FOLDER, getDefaultOutputFolderPersistent());
@@ -346,6 +363,9 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 			props.setProperty(Constants.CFG_SIGNATURE_LOCALE, LocaleSerializer.getParsableString(signatureLocale));
 		}
 
+		if (getUseMarker())
+			props.setProperty(Constants.CFG_USE_MARKER, Constants.TRUE);
+
 		if (getSignaturePdfACompat())
 			props.setProperty(Constants.CFG_SIGNATURE_PDFA_COMPAT, Constants.TRUE);
 
@@ -394,6 +414,7 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 
 		if (!getUpdateCheck())
 			props.setProperty(Constants.CFG_UPDATE_CHECK, Constants.FALSE);
+		
 
 		FileOutputStream outputstream = new FileOutputStream(configFile, false);
 
@@ -729,6 +750,24 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 			emblem = STRING_EMPTY;
 		return emblem;
 	}
+	
+	@Override
+	public String getDownloadURL() {
+		String downloadURL="";
+	try
+	{
+		downloadURL = this.configuration.getDownloadURL();
+		if (downloadURL.isEmpty()||downloadURL == null)
+			{downloadURL = Constants.CERTIFICATE_DOWNLOAD_XML_URL;
+			}
+		return downloadURL;
+	} catch (NullPointerException npe){
+		 String message = npe.getMessage();
+ 			downloadURL = Constants.CERTIFICATE_DOWNLOAD_XML_URL;
+		
+	}
+		return downloadURL;
+	}
 
 	/**
 	 * Sets the proxy host
@@ -945,6 +984,16 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 		}
 	}
 
+	
+	@Override
+	public void setDefaultDownloadURL(String downloadURL) {
+		if (downloadURL == null || downloadURL.trim().isEmpty()) {
+			this.configuration.setDownloadURL(Constants.CERTIFICATE_DOWNLOAD_XML_URL+Constants.CERTIFICATE_XML_FILE);
+		} else {
+			this.configuration.setDownloadURL(downloadURL);
+		}
+	}/*
+	
 	/* (non-Javadoc)
 	 * @see at.asit.pdfover.gui.workflow.ConfigOverlayManipulator#setDefaultOutputFolderOverlay(java.lang.String)
 	 */
@@ -1416,4 +1465,33 @@ public class ConfigProviderImpl implements ConfigProvider, ConfigManipulator,
 	public void setSkipFinishOverlay(boolean skipFinish) {
 		this.configurationOverlay.setSkipFinish(skipFinish);
 	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.workflow.config.ConfigManipulator#setDownloadURL(java.lang.String)
+	 */
+	@Override
+	public void setDownloadURL(String downloadURL) {
+		this.configuration.setDownloadURL(downloadURL);
+		
+	}
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see at.asit.pdfover.gui.workflow.config.ConfigProvider#getUseMarker()
+	 */
+	@Override
+	public boolean getUseMarker() {
+		return this.configurationOverlay.getUseMarker();
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see at.asit.pdfover.gui.workflow.config.ConfigManipulator#setUseMarker(
+	 * boolean)
+	 */
+	@Override
+	public void setUseMarker(boolean useMarker) {
+		this.configurationOverlay.setUseMarker(useMarker);
+	}
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainer.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainer.java
index 95429296..807ee1a6 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainer.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainer.java
@@ -152,6 +152,10 @@ public interface ConfigurationContainer {
 	 * @return the default BKU
 	 */
 	public BKUs getDefaultBKU();
+	
+	
+	
+
 
 	/**
 	 * Sets the default BKU 
@@ -361,4 +365,32 @@ public interface ConfigurationContainer {
 	 * @param skipFinish whether to skip the finish screen
 	 */
 	public void setSkipFinish(boolean skipFinish);
+
+	
+	/**
+	 * Gets theCertificate-Download URL
+	 * @return the Certificate-Download URL
+	 */
+	public String getDownloadURL();
+
+	/**
+	 * Sets the Certificate-Download URL
+	 * @param downloadURL 
+	 */
+	public void setDownloadURL(String downloadURL);
+	
+	/**
+	 * Gets whether to use an existing signature marker.
+	 *
+	 * @return whether to use an existing signature marker
+	 */
+	public boolean getUseMarker();
+
+	/**
+	 * Sets whether to use an existing signature marker.
+	 *
+	 * @param useMarker
+	 *            whether to use an existing signature marker
+	 */
+	public void setUseMarker(boolean useMarker);
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainerImpl.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainerImpl.java
index 7ae29f41..a06dbc0b 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainerImpl.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/ConfigurationContainerImpl.java
@@ -132,6 +132,13 @@ public class ConfigurationContainerImpl implements ConfigurationContainer {
 
 	/** Whether to skip the output state */
 	protected boolean skipFinish = false;
+	
+	/** Default Download URL for certificates*/
+	protected String downloadURL = null;
+	
+
+	/** Whether to use an existing signature marker. */
+	protected boolean useMarker = false;
 
 	/* (non-Javadoc)
 	 * @see at.asit.pdfover.gui.composites.ConfigurationContainer#getEmblem()
@@ -636,4 +643,46 @@ public class ConfigurationContainerImpl implements ConfigurationContainer {
 	public void setSkipFinish(boolean skipFinish) {
 		this.skipFinish = skipFinish;
 	}
+
+	
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.workflow.config.ConfigurationContainer#setDownloadURL(java.lang.String)
+	 */
+	@Override
+	public void setDownloadURL(String downloadURL) {
+		this.downloadURL = downloadURL;
+		
+		
+	}
+
+	/* (non-Javadoc)
+	 * @see at.asit.pdfover.gui.workflow.config.ConfigurationContainer#getDownloadURL()
+	 */
+	@Override
+	public String getDownloadURL() {
+		return this.downloadURL;
+	}
+	
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * at.asit.pdfover.gui.workflow.config.ConfigurationContainer#getUseMarker()
+	 */
+	@Override
+	public boolean getUseMarker() {
+		return this.useMarker;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * 
+	 * @see
+	 * at.asit.pdfover.gui.workflow.config.ConfigurationContainer#setUseMarker(
+	 * boolean)
+	 */
+	@Override
+	public void setUseMarker(boolean useMarker) {
+		this.useMarker = useMarker;
+	}
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/PersistentConfigProvider.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/PersistentConfigProvider.java
index cf355f34..78d196fc 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/PersistentConfigProvider.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/config/PersistentConfigProvider.java
@@ -180,4 +180,17 @@ public interface PersistentConfigProvider {
 	 * @return the configured MainWindow size
 	 */
 	public Point getMainWindowSize();
+	
+	/**
+	 * Gets the configured Download URL for certificates
+	 * @return the configured download URL
+	 */
+	public String getDownloadURL();
+	
+	/**
+	 * Gets whether to use an existing singature marker.
+	 *
+	 * @return whether to use an existing singature marker
+	 */
+	public boolean getUseMarker();
 }
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/LocalBKUState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/LocalBKUState.java
index eaccae5d..b229b58a 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/LocalBKUState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/LocalBKUState.java
@@ -104,7 +104,7 @@ public class LocalBKUState extends State {
 		public void run() {
 			try {
 
-				HttpClient client = BKUHelper.getHttpClient();
+				HttpClient client = (HttpClient) BKUHelper.getHttpClient();
 
 				PostMethod method = new PostMethod(Constants.LOCAL_BKU_URL);
 
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/MobileBKUState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/MobileBKUState.java
index bd88b48d..2b9bbe06 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/MobileBKUState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/MobileBKUState.java
@@ -66,7 +66,7 @@ public class MobileBKUState extends State {
 			case IAIK:
 				this.status = new IAIKStatus(provider);
 				this.handler = new IAIKHandler(this,
-						stateMachine.getGUIProvider().getMainShell());
+				stateMachine.getGUIProvider().getMainShell());
 				break;
 		}
 
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java
index b77809ed..b2a7cb50 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/OpenState.java
@@ -15,17 +15,26 @@
  */
 package at.asit.pdfover.gui.workflow.states;
 
+import java.io.IOException;
+
+import org.apache.pdfbox.pdmodel.PDDocument;
 //Imports
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.MessageBox;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import at.asit.pdfover.gui.MainWindow.Buttons;
 import at.asit.pdfover.gui.MainWindowBehavior;
 import at.asit.pdfover.gui.composites.DataSourceSelectComposite;
+import at.asit.pdfover.gui.utils.Messages;
 import at.asit.pdfover.gui.workflow.StateMachine;
 import at.asit.pdfover.gui.workflow.Status;
 import at.asit.pdfover.gui.workflow.config.ConfigProvider;
+import at.asit.pdfover.signator.SignaturePosition;
+import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.lib.impl.pdfbox.placeholder.SignaturePlaceholderExtractor;
+import at.gv.egiz.pdfas.lib.impl.placeholder.SignaturePlaceholderData;
 
 /**
  * Selects the data source for the signature process.
@@ -82,6 +91,53 @@ public class OpenState extends State {
 			} 
 		}
 		log.debug("Got Datasource: " + getStateMachine().getStatus().getDocument().getAbsolutePath()); //$NON-NLS-1$
+
+		// scan for signature placeholders
+		// - see if we want to scan for placeholders in the settings
+		if (getStateMachine().getConfigProvider().getUseMarker()) {
+			try {
+				// - scan for placeholders
+				PDDocument pddocument = PDDocument.load(getStateMachine().getStatus().getDocument());
+				SignaturePlaceholderData signaturePlaceholderData = SignaturePlaceholderExtractor.extract(pddocument,
+						"1", 3);
+
+				if (null != signaturePlaceholderData) {
+					log.debug("we got a position", signaturePlaceholderData.getId()); //$NON-NLS-1$
+					// create a dialog with ok and cancel buttons and a question
+					// icon
+					MessageBox dialog = new MessageBox(getStateMachine().getGUIProvider().getMainShell(),
+							SWT.ICON_QUESTION | SWT.YES | SWT.NO);
+					dialog.setText(Messages.getString("dataSourceSelection.usePlaceholderTitle")); //$NON-NLS-1$
+					dialog.setMessage(Messages.getString("dataSourceSelection.usePlaceholderText")); //$NON-NLS-1$
+
+					// open dialog and await user selection
+					if (SWT.YES == dialog.open()) {
+						// if the user chooses to use the signature placeholder
+						// - fill the position information so that we skip to
+						// the
+						// next stages without breaking stuff
+						SignaturePosition position = new SignaturePosition(
+								signaturePlaceholderData.getTablePos().getPosX(),
+								signaturePlaceholderData.getTablePos().getPosY(),
+								signaturePlaceholderData.getTablePos().getPage());
+						status.setSignaturePosition(position);
+
+						getStateMachine().getStatus().setSearchForPlaceholderSignature(true);
+					} else {
+						getStateMachine().getStatus().setSearchForPlaceholderSignature(false);
+					}
+				}
+			} catch (PdfAsException e) {
+				// fail silently. In case we got here no dialog has been shown.
+				// Just
+				// proceed with the usual process.
+			} catch (IOException e) {
+				// fail silently. In case we got here no dialog has been shown.
+				// Just
+				// proceed with the usual process.
+			}
+		}
+
 		this.setNextState(new PositioningState(getStateMachine()));
 	}
 
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
index 32b335a7..4d73c068 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PositioningState.java
@@ -43,7 +43,6 @@ import at.asit.pdfover.signator.SignaturePosition;
 
 import com.sun.pdfview.PDFFile;
 import com.sun.pdfview.decrypt.PDFAuthenticationFailureException;
-
 /**
  * Decides where to position the signature block
  */
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareConfigurationState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareConfigurationState.java
index b1af315e..e9ff0b25 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareConfigurationState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareConfigurationState.java
@@ -457,7 +457,7 @@ public class PrepareConfigurationState extends State {
 				new Thread(new Runnable() {
 					@Override
 					public void run() {
-						HttpClient client = BKUHelper.getHttpClient();
+						HttpClient client = (HttpClient) BKUHelper.getHttpClient();
 						GetMethod method = new GetMethod(Constants.CURRENT_RELEASE_URL);
 						try {
 							client.executeMethod(method);
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareSigningState.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareSigningState.java
index 155073d6..4a914046 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareSigningState.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/states/PrepareSigningState.java
@@ -155,6 +155,9 @@ public class PrepareSigningState extends State {
 				}
 
 				this.state.signatureParameter
+						.setSearchForPlaceholderSignatures(getStateMachine().getStatus().isSearchForPlaceholderSignature());
+
+				this.state.signatureParameter
 						.setSignatureLanguage(configuration.getSignatureLocale()
 								.getLanguage());