From d298630f92308c462a5b7ae37942f92dcc4d4d21 Mon Sep 17 00:00:00 2001
From: Christian Maierhofer <cmaierhofer@iaik.tugraz.at>
Date: Tue, 29 Mar 2016 14:44:12 +0200
Subject: added signature block positioning

---
 .../at/gv/egiz/simpleSigning/StartSignature.java   | 102 ++++++++++++++++++++-
 1 file changed, 101 insertions(+), 1 deletion(-)

(limited to 'simpleSigning/src/main/java/at/gv/egiz/simpleSigning/StartSignature.java')

diff --git a/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/StartSignature.java b/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/StartSignature.java
index 70741ed..69f60d5 100644
--- a/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/StartSignature.java
+++ b/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/StartSignature.java
@@ -45,6 +45,12 @@ public class StartSignature extends HttpServlet {
 	private static final String PARAM_QRCODE = "QRCODE";
 	private static final String PARAM_NEW = "NEW";
 	private static final String PARAM_NEW_V = "1";
+	
+	private static final String PARAM_SIG_POS_X = "SIG_POS_X";
+	private static final String PARAM_SIG_POS_Y = "SIG_POS_Y";
+	private static final String PARAM_SIG_POS_P = "SIG_POS_P";
+	private static final String PARAM_SIG_POS_W = "SIG_POS_W";
+	private static final String PARAM_SIG_POS_F = "SIG_POS_F";
 
 	public StartSignature() {
 		super();
@@ -138,6 +144,12 @@ public class StartSignature extends HttpServlet {
 			String targetUrl = req.getParameter(PARAM_TARGETURL);
 			String qrCodeData = req.getParameter(PARAM_QRCODE);
 			String localeData = req.getParameter(PARAM_LOCALE);
+			
+			String sigPosX = req.getParameter(PARAM_SIG_POS_X);
+			String sigPosY = req.getParameter(PARAM_SIG_POS_Y);
+			String sigPosP = req.getParameter(PARAM_SIG_POS_P);
+			String sigPosW = req.getParameter(PARAM_SIG_POS_W);
+			String sigPosF = req.getParameter(PARAM_SIG_POS_F);
 
 			// Step 1. Setup Parameters
 			if (type != null) {
@@ -200,6 +212,53 @@ public class StartSignature extends HttpServlet {
 				}
 
 			}
+			
+			//Position Params
+			if (sigPosX != null && !sigPosX.isEmpty()) {
+				if(isNumeric(sigPosX, req, resp)==false)
+					return;
+				// If we have a type set it
+				SessionHelper.setSigPosX(req, sigPosX);
+
+				logger.trace("[" + req.getSession().getId()
+						+ "]: setting SigPosX to: " + sigPosX);
+			}
+			if (sigPosY != null && !sigPosY.isEmpty()) {
+				if(isNumeric(sigPosY, req, resp)==false)
+					return;
+				// If we have a type set it
+				SessionHelper.setSigPosY(req, sigPosY);
+
+				logger.trace("[" + req.getSession().getId()
+						+ "]: setting SigPosY to: " + sigPosY);
+			}
+			if (sigPosP != null && !sigPosP.isEmpty()) {
+				if(isNumeric(sigPosP, req, resp)==false)
+					return;
+				// If we have a type set it
+				SessionHelper.setSigPosP(req, sigPosP);
+
+				logger.trace("[" + req.getSession().getId()
+						+ "]: setting SigPosP to: " + sigPosP);
+			}
+			if (sigPosW != null && !sigPosW.isEmpty()) {
+				if(isNumeric(sigPosW, req, resp)==false)
+					return;
+				// If we have a type set it
+				SessionHelper.setSigPosW(req, sigPosW);
+
+				logger.trace("[" + req.getSession().getId()
+						+ "]: setting SigPosW to: " + sigPosW);
+			}
+			if (sigPosF != null && !sigPosF.isEmpty()) {
+				if(isNumeric(sigPosF, req, resp)==false)
+					return;
+				// If we have a type set it
+				SessionHelper.setSigPosF(req, sigPosF);
+
+				logger.trace("[" + req.getSession().getId()
+						+ "]: setting SigPosF to: " + sigPosF);
+			}
 
 			if ((SessionHelper.getContent(req) == null && SessionHelper
 					.getDocument(req) == null)
@@ -386,7 +445,27 @@ public class StartSignature extends HttpServlet {
 			if (SessionHelper.getLocale(req) != null) {
 				entry += "<input type=\"hidden\" name=\"locale\" value=\""
 						+ SessionHelper.getLocale(req) + "\">";
-			} 
+			}
+			if (SessionHelper.getSigPosX(req) != null){
+				entry += "<input type=\"hidden\" name=\"sig-pos-x\" value=\""
+						+ SessionHelper.getSigPosX(req) + "\">";
+			}
+			if (SessionHelper.getSigPosY(req) != null){
+				entry += "<input type=\"hidden\" name=\"sig-pos-y\" value=\""
+						+ SessionHelper.getSigPosY(req) + "\">";
+			}
+			if (SessionHelper.getSigPosP(req) != null){
+				entry += "<input type=\"hidden\" name=\"sig-pos-p\" value=\""
+						+ SessionHelper.getSigPosP(req) + "\">";
+			}
+			if (SessionHelper.getSigPosW(req) != null){
+				entry += "<input type=\"hidden\" name=\"sig-pos-w\" value=\""
+						+ SessionHelper.getSigPosW(req) + "\">";
+			}
+			if (SessionHelper.getSigPosF(req) != null){
+				entry += "<input type=\"hidden\" name=\"sig-pos-f\" value=\""
+						+ SessionHelper.getSigPosF(req) + "\">";
+			}
 
 			template = template.replace("##ADDITIONAL##",
 					entry);
@@ -415,4 +494,25 @@ public class StartSignature extends HttpServlet {
 					.toError(req, resp, "Something went wrong", e.getMessage());
 		}
 	}
+	
+	private static boolean isNumeric(String nr, HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException  
+	{  
+	  try  
+	  {  
+	    Double.parseDouble(nr);  
+	  }  
+	  catch(NumberFormatException e)  
+	  {  
+		  logger.error("["
+					+ req.getSession().getId()
+					+ "]: Failed to generate signature Data!: Position Parameter is not numeric");
+		  PDFHelper.toError(req, resp,
+					"Failed to get signature Data",
+					"Position Parameter is not numeric");
+		  return false;
+ 
+	  } 
+	  return true;
+
+	}
 }
-- 
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