Moved to pdf-as-web project

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@678 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 0 insertions, 309 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java b/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java
deleted file mode 100644
index 7e121b9..0000000
--- a/src/main/java/at/gv/egiz/pdfas/web/helper/SignServletHelper.java
+++ /dev/null
@@ -1,309 +0,0 @@
-/**

- * 

- */

-package at.gv.egiz.pdfas.web.helper;

-

-import java.io.FileInputStream;

-import java.io.IOException;

-import java.net.URL;

-

-import javax.servlet.RequestDispatcher;

-import javax.servlet.ServletContext;

-import javax.servlet.ServletException;

-import javax.servlet.http.HttpServletRequest;

-import javax.servlet.http.HttpServletResponse;

-import javax.servlet.http.HttpSession;

-

-import org.apache.commons.logging.Log;

-import org.apache.commons.logging.LogFactory;

-

-import at.gv.egiz.pdfas.api.commons.Constants;

-import at.gv.egiz.pdfas.framework.SignatorFactory;

-import at.gv.egiz.pdfas.framework.signator.Signator;

-import at.gv.egiz.pdfas.impl.output.ByteArrayDataSink;

-import at.gv.egiz.pdfas.impl.output.FileBasedDataSink;

-import at.gv.egiz.pdfas.utils.WebUtils;

-import at.gv.egiz.pdfas.web.SignSessionInformation;

-import at.knowcenter.wag.egov.egiz.PdfASID;

-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;

-import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;

-import at.knowcenter.wag.egov.egiz.framework.signators.DetachedSignator_1_0_0;

-import at.knowcenter.wag.egov.egiz.sig.ConnectorFactory;

-import at.knowcenter.wag.egov.egiz.sig.connectors.Connector;

-import at.knowcenter.wag.egov.egiz.sig.connectors.ConnectorChooser;

-import at.knowcenter.wag.egov.egiz.sig.connectors.bku.SignSignatureObject;

-import at.knowcenter.wag.egov.egiz.web.FormFields;

-import at.knowcenter.wag.egov.egiz.web.LocalRequestHelper;

-import at.knowcenter.wag.egov.egiz.web.PDFContainer;

-import at.knowcenter.wag.egov.egiz.web.SessionAttributes;

-import at.knowcenter.wag.egov.egiz.web.servlets.ProvidePDFServlet;

-

-/**

- * @author wprinz

- *

- */

-public class SignServletHelper

-{

-  /**

-   * The log.

-   */

-  private static Log log = LogFactory.getLog(SignServletHelper.class);

-

-  public static void dispatch(HttpServletRequest request, HttpServletResponse response, String resource, ServletContext context) throws ServletException, IOException

-  {

-    response.setContentType("text/html");

-    response.setCharacterEncoding("UTF-8");

-

-    RequestDispatcher disp = context.getRequestDispatcher(resource);

-    disp.forward(request, response);

-  }

-

-

-  /**

-   * Prepares the sign.

-   * 

-   * <p>

-   * This prepares the data for both being signed or being previewed.

-   * </p>

-   * 

-   * @param si

-   *          The SessionInformation to be prepared.

-   * @throws PresentableException

-   *           f.e.

-   */

-  public static void prepareSign(SignSessionInformation si) throws PresentableException

-  {

-    log.debug("prepareSign:"); //$NON-NLS-1$

-

-    PdfASID algorithm = FormFields.translateSignatureModeToPdfASID(si.mode);

-    Signator signator = SignatorFactory.createSignator(algorithm);

-

-    // tzefferer: modified

-    // si.iui = signator.prepareSign(si.pdf, si.type, null,

-    // ConnectorFactory.needsSIG_ID(si.connector));

-    si.si = signator.prepareSign(si.pdfDataSource, si.type, si.pos, null);

-    // end modify

-    log.debug("prepareSign finished."); //$NON-NLS-1$

-  }

-  

-  /**

-   * Finishes the sign.

-   * 

-   * <p>

-   * For non local connectors this concludes the sign process, signs the

-   * document and returns the result. For local connectors this initializes the

-   * local sign process and redirects to following servlets.

-   * </p>

-   * 

-   * @param si

-   *          The SessionInformation.

-   * @param request

-   *          The servlet request for dispatching.

-   * @param response

-   *          The servlet response for dispatching.

-   * @param context

-   *          The servlet context for dispatching.

-   * @throws PresentableException

-   *           f.e.

-   * @throws IOException

-   *           f. e.

-   * @throws ServletException

-   *           f. e.

-   */

-  public static void finishSign(SignSessionInformation si, HttpServletRequest request, HttpServletResponse response, ServletContext context) throws PresentableException, IOException, ServletException

-  {

-    log.debug("finishSign:"); //$NON-NLS-1$

-

-    // check if document is empty

-    if (si.si.getSignatureData() == null || si.si.getSignatureData().getDataSource().getLength() == 0) {

-       throw new PDFDocumentException(251, "Unable to extract and textual content.");

-    }

-    

-    log.debug("connector = " + si.connector); //$NON-NLS-1$

-    if (ConnectorFactory.isConnectorLocal(si.connector))

-    {

-      log.debug("Connector is local -> dispatching to local processing."); //$NON-NLS-1$

-

-      String dispatch_to = LocalRequestHelper.processLocalSign(si, request, response);

-      dispatch(request, response, dispatch_to, context);

-      return;

-    }

-    log.debug("Connector is not local -> finishing the sign."); //$NON-NLS-1$

-

-    PdfASID algorithm = FormFields.translateSignatureModeToPdfASID(si.mode);

-    Signator signator = SignatorFactory.createSignator(algorithm);

-

-    log.debug("RequestURL = " + request.getRequestURL());

-    log.debug("ContextPath = " + request.getContextPath());

-    String host = request.getServerName();

-    

-    // TODO TR: Web-Applikation verwendet in Loc-Ref-Variante ext. Referenz, um performanter zu sein;

-    // nachfolend auskommentieren, wenn anstatt SwA-Connector LocRef-Connector verwendet wird

-//    URL signature_data_URL = new URL(WebUtils.addJSessionID(LocalRequestHelper.getLocalContextAddress(request, response) + "/RetrieveSignatureData", request));

-    URL signature_data_URL = new URL(WebUtils.buildRetrieveSignatureDataURL(request, response));

-    String signature_data_url = response.encodeURL(signature_data_URL.toString());

-

-    Connector c = ConnectorChooser.chooseWebConnectorForSign(si.connector, si.type, signature_data_url);

-    SignSignatureObject signSignatureObject = c.doSign(si.si.getSignatureData());

-    

-    si.si.setSignSignatureObject(signSignatureObject);

-

-    si.output = TempDirHelper.createTempDataSink(si.filename + "_signed.pdf"); 

-    signator.finishSign(si.si, si.output);

-

-    returnSignResponse(si, request, response);

-    log.debug("finishSign finished."); //$NON-NLS-1$

-    

-  }

-  

-  /**

-   * Returns the data in the SignResult with proper content disposition.

-   * 

-   * @param si

-   *          SessionInformation.

-   * @parem request The servlet request.

-   * @param response

-   *          The servlet response.

-   * @throws IOException

-   *           The IO Exception.

-   */

-  public static void returnSignResponse(SignSessionInformation si, HttpServletRequest request, HttpServletResponse response) throws IOException

-  {

-//    SignResult sign_result = si.sign_result;

-

-    String file_name = formatFileNameForSignResult(si.filename, si.output.getMimeType());

-

-    // tzefferer: added condition

-    if (si.exappinf == null)

-    {

-

-      // The name parameter is actually deprecated in favour of

-      // Content-Disposition filename

-      // Unfortunately Acrobat reader does recognize neither of these parameters

-      // with its inline save-as. It always takes the page name.

-      response.setContentType(si.output.getMimeType() + "; name=\"" + file_name + "\"");

-      if (si.download_inline)

-      {

-        response.addHeader("Content-Disposition", "inline; filename=\"" + file_name + "\"");

-      }

-      else

-      {

-        response.addHeader("Content-Disposition", "attachment; filename=\"" + file_name + "\"");

-      }

-      

-      TempDirHelper.writeDataSinkToHttpResponse(si.output, response);

-      //response.getOutputStream().write(sign_result.getData());

-      

-      // tzefferer: added else-block

-    }

-    else

-    {

-      /**

-       * The following code handles an external invocation of pdf-as. External invocation is done by

-       * redirecting the user to the Sign-Servlet using the parameters defined in class

-       * at.knowcenter.wag.egov.egiz.web.FormFields.

-       * e.g. http://localhost:48080/pdf-as/Sign?preview=false&connector=bku&mode=textual&sig_type=SIGNATURBLOCK_DE&inline=false&filename=test.pdf&num-bytes=45916&pdf-url=http%3A%2F%2Flocalhost%3A8080%2Fmyapp%2FProvidePDF&pdf-id=1956507909008215134&invoke-app-url=https%3A%2F%2Flocalhost%3A8443%2Fmyapp%2FReturnSignedPDF&invoke-app-error-url=https%3A%2F%2Flocalhost%3A8443%2Fmyapp%2Fpdfaserror.do&session-id=9085B85B364BEC31E7D38047FE54577D&locale=de

-       */

-       log.debug("External webapp invocation detected.");

-      byte [] signed_pdf = null;

-      if (si.output instanceof FileBasedDataSink)

-      {

-        FileBasedDataSink fbds = (FileBasedDataSink)si.output;

-        signed_pdf = new byte [(int)fbds.getFile().length()];

-        FileInputStream fis = new FileInputStream(fbds.getFile());

-        fis.read(signed_pdf);

-        fis.close();

-      }

-      else

-      {

-        ByteArrayDataSink bads = (ByteArrayDataSink)si.output;

-        signed_pdf = bads.getByteArray();

-      }

-      HttpSession session = request.getSession();

-      

-      PDFContainer entry = new PDFContainer(signed_pdf, si.exappinf.pdf_id);

-      ProvidePDFServlet.signedDocuments.add(entry);

-

-      // notify webapp...

-      String invoke_url = si.exappinf.invoke_url;

-

-      String providePDFServlet = "ProvidePDF";

-      String pdf_id = String.valueOf(si.exappinf.pdf_id);

-      String session_id = si.exappinf.session_id;

-

-      log.debug("External application has to be notified. Building url from callback url \"" + invoke_url + "\".");

-      

-      // build URL

-      int ind = invoke_url.indexOf("?");

-      

-      // fixed by tknall: must not presume that invoke_url contains "?"

-      String sep = "&";

-      if (ind == -1) {

-      	ind = invoke_url.length();

-      	sep = "?";

-      }

-      	

-      String query = invoke_url.substring(0, ind) + ";jsessionid=" + session_id + invoke_url.substring(ind)

-      	+ sep + FormFields.FIELD_PDF_URL + "=" + providePDFServlet + "&" + FormFields.FIELD_PDF_ID

-         + "=" + pdf_id + "&" + FormFields.FIELD_FILE_LENGTH + "=" + signed_pdf.length

-         + "&" + FormFields.FIELD_PDFAS_SESSION_ID + "=" + session.getId();

-

-      /*

-       *  Using the external web-interface of pdf-as (as described above) pdf-as should be run within

-       *  an iframe. In case of a signature performed with a local citizen card software or with the

-       *  server bku the result has to be provided outside the iframe. To break out of the iframe a

-       *  helper jsp (redirect_to_parent) has to be used that redirects the user to the parent

-       *  window.

-       */

-      disableBrowserCacheForResponse(response);

-      if (Constants.SIGNATURE_DEVICE_BKU.equals(si.connector) || Constants.SIGNATURE_DEVICE_MOC.equals(si.connector)) {

-         log.debug("Pdf-as is supposed to run within an iframe.");

-         log.debug("Putting external application notify url (\"" + query + "\") in session (" + session.getId() + ") for later use.");

-         session.setAttribute(SessionAttributes.PARENT_WEBAPP_REDIRECT_URL, query);

-         String redirectHelper = response.encodeRedirectURL(request.getContextPath() + "/jsp/redirect_to_parent.jsp");

-         

-         log.debug("Redirecting to " + redirectHelper);

-         log.debug("The browser will finally be redirected outside the iframe to " + query + " in order to notify the external application.");

-         

-         response.sendRedirect(redirectHelper);

-         

-      } else {

-         log.debug("Notifying external application by redirecting to \"" + query + "\".");

-         response.sendRedirect(query);

-      }

-

-    }

-

-  }

-  

-  public static void disableBrowserCacheForResponse(HttpServletResponse response) {

-     log.debug("Disabling browser cache for HttpServletResponse.");

-     response.setHeader("Cache-Control", "no-cache");

-     response.setHeader("Pragma","no-cache");

-     response.setDateHeader("Expires", -1);

-  }

-  

-  /**

-   * Formats the file name according to the SignResult.

-   * 

-   * @param file_name

-   *          The file name.

-   * @param sign_result

-   *          The sign result.

-   * @return Returns the formatted file name.

-   */

-  public static String formatFileNameForSignResult(String file_name, String mimeType)

-  {

-    String output = file_name + "_signed";

-    if (mimeType.equals(DetachedSignator_1_0_0.MIME_TYPE))

-    {

-      output += ".xml";

-    }

-    else

-    {

-      output += ".pdf";

-    }

-

-    return output;

-  }

-}