From fd72ba6f0bf8a797fcc5e340fc5a963aef35eaca Mon Sep 17 00:00:00 2001
From: Alexander Marsalek <amarsalek@iaik.tugraz.at>
Date: Fri, 11 Jun 2021 15:36:58 +0200
Subject: version 4.1.7-RC-0.0.7, added sbp parameter to ExternSignServlet

---
 .../pdfas/web/helper/PdfAsParameterExtractor.java     | 19 +++++++++++++++++--
 .../gv/egiz/pdfas/web/servlets/ExternSignServlet.java |  7 ++-----
 2 files changed, 19 insertions(+), 7 deletions(-)

(limited to 'pdf-as-web/src/main/java/at/gv')

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java
index 5415b233..77d6d217 100644
--- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java
@@ -74,7 +74,7 @@ public class PdfAsParameterExtractor {
 	public static final String PARAM_PREPROCESSOR_PREFIX = "pp:";
 	public static final String PARAM_OVERWRITE_PREFIX = "ov:";
 	public static final String PARAM_QRCODE_CONTENT = "qrcontent";
-
+	public static final String PARAM_DYNAMIC_SIGNATURE_BLOCK_PARAMETER = "sbp";
 
 	public static String getConnector(HttpServletRequest request) {
 		String connector = (String)request.getAttribute(PARAM_CONNECTOR);
@@ -83,7 +83,22 @@ public class PdfAsParameterExtractor {
 		} 
 		return PARAM_CONNECTOR_DEFAULT;
 	}
-	
+
+	public static Map<String,String> getDynamicSignatureBlockParameters(HttpServletRequest request) throws Exception {
+		HashMap<String, String> signatureBlockParametersMap = new HashMap<String, String>();
+		String sbpString = (String) request.getAttribute(PARAM_DYNAMIC_SIGNATURE_BLOCK_PARAMETER);
+//		Map<String, String[]> map = request.getParameterMap();
+		if(sbpString == null || sbpString.length() == 0)
+			return signatureBlockParametersMap;
+		for(String s : sbpString.split(";")){
+			if(!s.contains("=")) {
+				throw new Exception("Invalid parameter: "+s);
+			}
+			String[] values = s.split("=", 2);
+			signatureBlockParametersMap.put(values[0], values[1]);
+		}
+		return signatureBlockParametersMap;
+	}
 	public static String getQRCodeContent(HttpServletRequest request) {
 		String qrcodeContent = (String)request.getAttribute(PARAM_QRCODE_CONTENT);
 		return qrcodeContent;
diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java
index 841b8428..674d3351 100644
--- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java
@@ -350,12 +350,10 @@ public class ExternSignServlet extends HttpServlet {
 				PlaceholderWebConfiguration.clear();
 			}
 
-
 		} catch(Exception e) {
 			logger.error(e.getLocalizedMessage());
 		}
 
-		
 		String filename = PdfAsParameterExtractor.getFilename(request);
 		if(filename != null) {
 			logger.debug("Setting Filename in session: " + filename);
@@ -367,9 +365,8 @@ public class ExternSignServlet extends HttpServlet {
 		PdfAsHelper.setSignatureDataHash(request, pdfDataHash);
 		logger.debug("Storing signatures data hash: " + pdfDataHash);
 
-		//TODO alex parse??
-		Map<String, String> dynamicSignatureBlockArguments = null;
-
+		Map<String, String> dynamicSignatureBlockArguments =
+				PdfAsParameterExtractor.getDynamicSignatureBlockParameters(request);
 
 		logger.debug("Starting signature creation with: " + connector);
 		
-- 
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