From 2436aa273f00dafb465c2342ea8e7297898915d2 Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Tue, 21 Jan 2014 09:57:16 +0100
Subject: Implementations for pdf-as-web and pdf-as-legacy

---
 .../at/gv/egiz/pdfas/web/servlets/ErrorPage.java   |  5 ++--
 .../egiz/pdfas/web/servlets/ExternSignServlet.java | 28 +++++++++++++++++++++-
 2 files changed, 30 insertions(+), 3 deletions(-)

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

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java
index fceeed85..fe436566 100644
--- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ErrorPage.java
@@ -12,6 +12,7 @@ import javax.swing.text.html.HTML;
 
 import org.apache.commons.lang3.StringEscapeUtils;
 
+import at.gv.egiz.pdfas.web.config.WebConfiguration;
 import at.gv.egiz.pdfas.web.helper.HTMLFormater;
 import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
 
@@ -64,7 +65,7 @@ public class ErrorPage extends HttpServlet {
 				String template = PdfAsHelper.getErrorRedirectTemplateSL();
 				template = template.replace("##ERROR_URL##",
 						errorURL);
-				if (e != null) {
+				if (e != null && WebConfiguration.isShowErrorDetails()) {
 					template = template.replace("##CAUSE##",
 							URLEncoder.encode(e.getMessage(), "UTF-8"));
 				} else {
@@ -88,7 +89,7 @@ public class ErrorPage extends HttpServlet {
 					pw.write("<p>" + message + "</p>");
 				}
 
-				if (e != null) {
+				if (e != null && WebConfiguration.isShowErrorDetails()) {
 					pw.write("<p>"
 							+ HTMLFormater.formatStackTrace(e.getStackTrace())
 							+ "</p>");
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 90c77320..c96225bd 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
@@ -19,6 +19,7 @@ import org.slf4j.LoggerFactory;
 import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
 import at.gv.egiz.pdfas.lib.api.sign.IPlainSigner;
 import at.gv.egiz.pdfas.sigs.pades.PAdESSigner;
+import at.gv.egiz.pdfas.web.config.WebConfiguration;
 import at.gv.egiz.pdfas.web.exception.PdfAsWebException;
 import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
 import at.gv.egiz.pdfas.web.helper.PdfAsParameterExtractor;
@@ -33,6 +34,8 @@ public class ExternSignServlet extends HttpServlet {
 
 	private static final long serialVersionUID = 1L;
 
+	public static final String PDF_AS_WEB_CONF = "pdf-as-web.conf";
+	
 	private static final String UPLOAD_PDF_DATA = "pdfFile";
 	private static final String UPLOAD_DIRECTORY = "upload";
 	private static final int THRESHOLD_SIZE = 1024 * 1024 * 3; // 3MB
@@ -46,6 +49,15 @@ public class ExternSignServlet extends HttpServlet {
 	 * Default constructor.
 	 */
 	public ExternSignServlet() {
+		String webconfig = System.getProperty(PDF_AS_WEB_CONF);
+		
+		if(webconfig == null) {
+			logger.error("No web configuration provided! Please specify: " + PDF_AS_WEB_CONF);
+			throw new RuntimeException("No web configuration provided! Please specify: " + PDF_AS_WEB_CONF);
+		}
+		
+		WebConfiguration.configure(webconfig);
+		PdfAsHelper.init();
 	}
 
 	protected void doGet(HttpServletRequest request,
@@ -142,7 +154,12 @@ public class ExternSignServlet extends HttpServlet {
 							FileItem item = (FileItem) obj;
 							if(item.getFieldName().equals(UPLOAD_PDF_DATA)) {
 								filecontent = item.get();
-								logger.debug("Found pdf Data!");
+								
+								if(filecontent.length < 10) {
+									filecontent = null;
+								} else {
+									logger.debug("Found pdf Data! Size: " + filecontent.length);
+								}
 							} else {
 								request.setAttribute(item.getFieldName(), item.getString());
 								logger.debug("Setting " + item.getFieldName() + " = " + item.getString());
@@ -161,6 +178,15 @@ public class ExternSignServlet extends HttpServlet {
 			}
 
 			if(filecontent == null) {
+				Object sourceObj = request.getAttribute("source");
+				if(sourceObj != null) {
+					String source = sourceObj.toString();
+					if(source.equals("internal")) {
+						request.setAttribute("FILEERR", true);
+						request.getRequestDispatcher("index.jsp").forward(request, response);
+						return;
+					}
+				}
 				throw new PdfAsException("No Signature data available");
 			}
 			
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