From 236cd00a49b04523a325e06fdc8839be9049f892 Mon Sep 17 00:00:00 2001
From: emusic <emina.music@egiz.gv.at>
Date: Fri, 27 Jul 2018 12:28:01 +0200
Subject: adding additional data transfer type

---
 .../at/gv/egiz/pdfas/web/servlets/PDFURLData.java  | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFURLData.java

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

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFURLData.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFURLData.java
new file mode 100644
index 00000000..9dfa0d16
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFURLData.java
@@ -0,0 +1,86 @@
+package at.gv.egiz.pdfas.web.servlets;
+
+import at.gv.egiz.pdfas.api.ws.PDFASVerificationResponse;
+import at.gv.egiz.pdfas.common.exceptions.PDFIOException;
+import at.gv.egiz.pdfas.common.utils.PDFUtils;
+import at.gv.egiz.pdfas.lib.api.StatusRequest;
+import at.gv.egiz.pdfas.web.config.WebConfiguration;
+import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
+import at.gv.egiz.pdfas.web.helper.PdfAsParameterExtractor;
+import at.gv.egiz.pdfas.web.stats.StatisticEvent;
+import at.gv.egiz.pdfas.web.stats.StatisticFrontend;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class PDFURLData extends HttpServlet {
+
+    private static final long serialVersionUID = 1L;
+    private static final String PDF_STATUS = "PDF_STATUS";
+
+
+    private static final Logger logger = LoggerFactory.getLogger(PDFData.class);
+
+    /**
+     * @see HttpServlet#HttpServlet()
+     */
+    public PDFURLData() {
+        super();
+    }
+
+    /**
+     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
+     *      response)
+     */
+    protected void doGet(HttpServletRequest request,
+                         HttpServletResponse response) throws ServletException, IOException {
+        try {
+            this.process(request, response);
+        } catch (PDFIOException e) {
+            response.sendError(500, "file cannot be transfered");
+        }
+    }
+
+    /**
+     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
+     *      response)
+     */
+    protected void doPost(HttpServletRequest request,
+                          HttpServletResponse response) throws ServletException, IOException {
+        this.process(request, response);
+    }
+
+    protected void process(HttpServletRequest request,
+                           HttpServletResponse response) throws ServletException, IOException, PDFIOException {
+
+        HttpSession session = request.getSession();
+        StatusRequest statusRequest = (StatusRequest) session
+                .getAttribute(PDF_STATUS);
+
+        byte[] nonSignedData = statusRequest.getSignatureData();
+
+        if (nonSignedData != null) {
+
+            byte[] blackoutnonSignedData = PDFUtils.blackOutSignature(nonSignedData, statusRequest.getSignatureDataByteRange());
+
+
+            response.setContentType("application/pdf");
+            OutputStream os = response.getOutputStream();
+            os.write(blackoutnonSignedData);
+            os.close();
+
+        } else {
+            PdfAsHelper.setSessionException(request, response,
+                    "todo", null);
+            PdfAsHelper.gotoError(getServletContext(), request, response);
+            response.sendError(500, '');
+        }
+    }
+}
\ No newline at end of file
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