From 797634c687c6f44d314e4baa3fed220d142eed73 Mon Sep 17 00:00:00 2001
From: emusic <emina.music@egiz.gv.at>
Date: Mon, 14 May 2018 16:38:43 +0200
Subject: changes in pdf-as-lib

---
 .../gv/egiz/pdfas/web/config/WebConfiguration.java |  13 ++++++++
 .../at/gv/egiz/pdfas/web/servlets/PDFData.java     |  37 +++++++++++++++++++--
 pdf-as-web/src/main/webapp/assets/img/localBKU.png | Bin 6650 -> 1750 bytes
 .../src/main/webapp/assets/img/mobileBKU.png       | Bin 6269 -> 1811 bytes
 4 files changed, 48 insertions(+), 2 deletions(-)

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

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/config/WebConfiguration.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/config/WebConfiguration.java
index 9b14df16..d63f698f 100644
--- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/config/WebConfiguration.java
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/config/WebConfiguration.java
@@ -586,4 +586,17 @@ public class WebConfiguration implements IConfigurationConstants {
 		}
 		return ivalue;
 	}
+
+
+	public static boolean isPdfProtected()
+	{
+		String value = properties.getProperty(DEFAULT_CONFIG_PROTECT_PDF);
+		if (value != null) {
+			if (value.equals("true")) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 }
diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java
index abbfc639..4d3d1872 100644
--- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFData.java
@@ -23,8 +23,11 @@
  ******************************************************************************/
 package at.gv.egiz.pdfas.web.servlets;
 
-import java.io.IOException;
-import java.io.OutputStream;
+import java.io.*;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.security.SecureRandom;
 
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
@@ -32,6 +35,11 @@ import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import at.gv.egiz.pdfas.web.config.WebConfiguration;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
+import org.apache.pdfbox.pdmodel.PDDocument;
+import org.apache.pdfbox.pdmodel.encryption.AccessPermission;
+import org.apache.pdfbox.pdmodel.encryption.StandardProtectionPolicy;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -87,6 +95,31 @@ public class PDFData extends HttpServlet {
 
 		if (signedData != null) {
 
+			/*if (WebConfiguration.isPdfProtected()) {
+				File tempFile = new File(System.getProperty("java.io.tmpdir"),"protect.pdf");
+				FileUtils.writeByteArrayToFile(tempFile, signedData);
+				Path tempPath = tempFile.toPath();
+				SecureRandom random = new SecureRandom();
+				byte seed[] = random.generateSeed(50);
+				String ownerPassword = new String(seed, StandardCharsets.UTF_8);
+				PDDocument document = PDDocument.load(tempFile);
+				AccessPermission accessPermission = new AccessPermission();
+				accessPermission.setCanExtractContent(false);
+				accessPermission.setCanExtractForAccessibility(true);
+				StandardProtectionPolicy spp = new StandardProtectionPolicy(ownerPassword, "", accessPermission);
+				spp.setEncryptionKeyLength(128);
+				spp.setPermissions(accessPermission);
+				document.protect(spp);
+				document.save(tempFile);
+				document.close();
+				//accessPermission.setCanModify(false);
+				signedData = Files.readAllBytes(tempPath);
+				logger.info("Added Protection Parameters");
+				if (tempFile.exists()) {
+					tempFile.delete();
+				}
+			}*/
+
 			if(WebConfiguration.isKeepSignedDocument()) {
 				if(PdfAsHelper.isSignedDataExpired(request, response)) {
 					logger.info("Destroying expired signed data in session");
diff --git a/pdf-as-web/src/main/webapp/assets/img/localBKU.png b/pdf-as-web/src/main/webapp/assets/img/localBKU.png
index 2ec41892..cd5069b5 100644
Binary files a/pdf-as-web/src/main/webapp/assets/img/localBKU.png and b/pdf-as-web/src/main/webapp/assets/img/localBKU.png differ
diff --git a/pdf-as-web/src/main/webapp/assets/img/mobileBKU.png b/pdf-as-web/src/main/webapp/assets/img/mobileBKU.png
index daa8fa3f..037de1bb 100644
Binary files a/pdf-as-web/src/main/webapp/assets/img/mobileBKU.png and b/pdf-as-web/src/main/webapp/assets/img/mobileBKU.png differ
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