From b0003ddc4bebc411c5a3296bf5f172b80b443525 Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Wed, 14 May 2014 11:39:11 +0200
Subject: Added Verification functionality, + some Log Level fixes

---
 .../egiz/pdfas/web/servlets/PDFSignatureData.java  | 90 ++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFSignatureData.java

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

diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFSignatureData.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFSignatureData.java
new file mode 100644
index 00000000..a4cee36f
--- /dev/null
+++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/PDFSignatureData.java
@@ -0,0 +1,90 @@
+package at.gv.egiz.pdfas.web.servlets;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.List;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egiz.pdfas.common.exceptions.PdfAsException;
+import at.gv.egiz.pdfas.lib.api.verify.VerifyResult;
+import at.gv.egiz.pdfas.web.helper.PdfAsHelper;
+
+public class PDFSignatureData extends HttpServlet {
+
+	private static final long serialVersionUID = 1L;
+
+	private static final Logger logger = LoggerFactory
+			.getLogger(PDFSignatureData.class);
+
+	public static final String SIGN_ID = "SIGID";
+
+	/**
+	 * @see HttpServlet#HttpServlet()
+	 */
+	public PDFSignatureData() {
+		super();
+	}
+
+	/**
+	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
+	 *      response)
+	 */
+	protected void doGet(HttpServletRequest request,
+			HttpServletResponse response) throws ServletException, IOException {
+		this.process(request, response);
+	}
+
+	/**
+	 * @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 {
+		try {
+			if(request.getParameter(SIGN_ID) == null) {
+				throw new PdfAsException("Missing Parameter");
+			}
+			
+			String sigID = request.getParameter(SIGN_ID);
+
+			int id = Integer.parseInt(sigID);
+
+			List<VerifyResult> vResult = PdfAsHelper
+					.getVerificationResult(request);
+
+			if (id < vResult.size()) {
+				VerifyResult res =  vResult.get(id);
+				
+				response.setHeader(
+						"Content-Disposition",
+						"inline;filename=signed_data_" + id + ".pdf");
+				response.setContentType("application/pdf");
+				OutputStream os = response.getOutputStream();
+				os.write(res.getSignatureData());
+				os.close();
+			} else {
+				logger.error("Verification DATA not found! for id " + request.getParameter(SIGN_ID) + " in session " + request.getSession().getId());
+				response.sendError(HttpServletResponse.SC_NOT_FOUND);
+			}
+		} catch (NumberFormatException e) {
+			logger.error("Verification DATA not found! for id " + request.getParameter(SIGN_ID) + " in session " + request.getSession().getId());
+			response.sendError(HttpServletResponse.SC_NOT_FOUND);
+		} catch (PdfAsException e) {
+			logger.error("Verification DATA not found:", e);
+			response.sendError(HttpServletResponse.SC_NOT_FOUND);
+		} 
+	}
+
+}
-- 
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