From cdfd4153809a9f1f5fed903b06e19f92cdd10d1a Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Tue, 22 Jul 2014 10:14:21 +0200
Subject: einfach Signieren first commit

---
 .../at/gv/egiz/simpleSigning/ErrorSignature.java   | 124 +++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 simpleSigning/src/main/java/at/gv/egiz/simpleSigning/ErrorSignature.java

(limited to 'simpleSigning/src/main/java/at/gv/egiz/simpleSigning/ErrorSignature.java')

diff --git a/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/ErrorSignature.java b/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/ErrorSignature.java
new file mode 100644
index 0000000..446d1c1
--- /dev/null
+++ b/simpleSigning/src/main/java/at/gv/egiz/simpleSigning/ErrorSignature.java
@@ -0,0 +1,124 @@
+package at.gv.egiz.simpleSigning;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+import org.apache.commons.io.FileUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import at.gv.egiz.simpleSigning.helper.SessionHelper;
+
+@WebServlet("/Error")
+public class ErrorSignature extends HttpServlet {
+
+	/**
+	 * 
+	 */
+	private static final long serialVersionUID = 7338000172211889255L;
+
+	public static final String PARAM_ERROR = "error";
+	public static final String PARAM_CAUSE = "cause";
+
+	private static final Logger logger = LoggerFactory
+			.getLogger(ErrorSignature.class);
+
+	@Override
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+		this.doProcess(req, resp);
+	}
+
+	@Override
+	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+		this.doProcess(req, resp);
+	}
+
+	protected void doProcess(HttpServletRequest req, HttpServletResponse resp)
+			throws ServletException, IOException {
+		try {
+			
+			logger.info("[" + req.getSession().getId()
+					+ "]: error Signature");
+
+			String error = req.getParameter(PARAM_ERROR);
+
+			if (error == null) {
+				if (req.getAttribute(PARAM_ERROR) != null) {
+					error = req.getAttribute(PARAM_ERROR).toString();
+				}
+			}
+			
+			if (error == null) {
+				error = "UNKNOWN ERROR";
+			}
+			
+			logger.info("[" + req.getSession().getId() + "]: Error: {}",
+					error);
+
+			String cause = req.getParameter(PARAM_CAUSE);
+
+			if (cause == null) {
+				if (req.getAttribute(PARAM_CAUSE) != null) {
+					cause = req.getAttribute(PARAM_CAUSE).toString();
+				}
+			}
+
+			if (cause == null) {
+				cause = "UNKNOWN CAUSE";
+			}
+			
+			logger.info("[" + req.getSession().getId() + "]: Cause: {}",
+					cause);
+			
+
+			String errorJS = FileUtils.readFileToString(FileUtils
+					.toFile(PDFASJsServlet.class
+							.getResource("/js/error_response.js")));
+
+			String targetURL = SessionHelper.getTargetURL(req);
+
+			if (targetURL == null) {
+				targetURL = "invalidURL";
+			}
+			
+			logger.info("[" + req.getSession().getId() + "]: TargetURL: {}",
+					targetURL);
+
+			errorJS = errorJS.replace("##REPLACE##ERROR##", error);
+			errorJS = errorJS.replace("##REPLACE##CAUSE##", cause);
+			errorJS = errorJS.replace("##REPLACE##TARGETURL##", targetURL);
+
+			String postman = FileUtils
+					.readFileToString(FileUtils.toFile(PDFASJsServlet.class
+							.getResource("/js/postman.js")));
+
+			String combined = postman + errorJS;
+
+			String html = FileUtils.readFileToString(FileUtils
+					.toFile(PDFASJsServlet.class
+							.getResource("/html/script_exec.html")));
+
+			html = html.replace("##REPLACE##SCRIPT##", combined);
+
+			SessionHelper.killSession(req);
+
+			resp.setContentType("text/html");
+			OutputStream os = resp.getOutputStream();
+			os.write(html.getBytes());
+			os.close();
+
+		} catch (Throwable e) {
+			logger.error("[" + req.getSession().getId()
+					+ "]: failed to finish error signature", e);
+			throw new ServletException("Generic Exception");
+		}
+	}
+}
-- 
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