From ab7b4927a5790764afa0dc2076d3fad2ac293c61 Mon Sep 17 00:00:00 2001 From: Thomas Lenz Date: Thu, 6 Dec 2018 15:22:06 +0100 Subject: add 'direct' mode to provide signed PDF documents --- .../at/gv/egiz/pdfas/web/helper/PdfAsHelper.java | 44 ++++++++++++++++++++++ .../pdfas/web/helper/PdfAsParameterExtractor.java | 6 +++ .../egiz/pdfas/web/servlets/ExternSignServlet.java | 4 ++ .../egiz/pdfas/web/servlets/ProvidePDFServlet.java | 22 ++++++++--- 4 files changed, 70 insertions(+), 6 deletions(-) (limited to 'pdf-as-web/src/main/java/at/gv') diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsHelper.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsHelper.java index d327e27d..8f8850ed 100644 --- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsHelper.java +++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsHelper.java @@ -56,6 +56,7 @@ import org.apache.commons.codec.binary.Base64; import org.apache.commons.io.FileUtils; import org.apache.commons.io.IOUtils; import org.apache.commons.lang3.StringEscapeUtils; +import org.apache.commons.lang3.StringUtils; import org.apache.http.entity.ContentType; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @@ -136,6 +137,7 @@ public class PdfAsHelper { private static final String PDF_VER_RESP = "PDF_VER_RESP"; private static final String PDF_INVOKE_URL = "PDF_INVOKE_URL"; private static final String PDF_INVOKE_TARGET = "PDF_INVOKE_TARGET"; + private static final String PDF_RESPONSE_MODE = "PDF_RESPONSE_MODE"; private static final String REQUEST_FROM_DU = "REQ_DATA_URL"; private static final String SIGNATURE_DATA_HASH = "SIGNATURE_DATA_HASH"; private static final String SIGNATURE_ACTIVE = "SIGNATURE_ACTIVE"; @@ -143,6 +145,9 @@ public class PdfAsHelper { private static final String QRCODE_CONTENT = "QR_CONT"; public static final String PDF_SESSION_PREFIX = "PDF_SESSION_"; + + public enum PDF_RESPONSE_MODES {htmlform, direct}; + private static final Logger logger = LoggerFactory .getLogger(PdfAsHelper.class); @@ -1543,6 +1548,43 @@ public class PdfAsHelper { return obj == null ? null : obj.toString(); } + public static void setResponseMode(HttpServletRequest request, + HttpServletResponse response, String responseMode) { + + PDF_RESPONSE_MODES mode = PDF_RESPONSE_MODES.htmlform; + if (StringUtils.isNotEmpty(responseMode)) { + try { + mode = PDF_RESPONSE_MODES.valueOf(responseMode); + + } catch (Exception e) { + logger.warn("HTTP parameter 'responsemode' has an unsupported value: " + responseMode + + ". Use default value: " + mode.toString()); + + } + } + + HttpSession session = request.getSession(); + session.setAttribute(PDF_RESPONSE_MODE , mode); + logger.debug("External ResponseMode: " + mode.toString()); + + } + + public static PDF_RESPONSE_MODES getResponseMode(HttpServletRequest request, + HttpServletResponse response) { + HttpSession session = request.getSession(); + Object obj = session.getAttribute(PDF_RESPONSE_MODE); + + if (obj == null) { + logger.debug("'responseMode' parameter is 'null'. Use defaultvalue: " + PDF_RESPONSE_MODES.htmlform.toString()); + return PDF_RESPONSE_MODES.htmlform; + + } else { + logger.debug("'responseMode' parameter is " + ((PDF_RESPONSE_MODES) obj).toString()); + return (PDF_RESPONSE_MODES) obj; + } + + } + private static String generateURL(HttpServletRequest request, HttpServletResponse response, String Servlet) { HttpSession session = request.getSession(); @@ -1852,4 +1894,6 @@ public class PdfAsHelper { } } + + } diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java index ee41a8cf..b50b7dbd 100644 --- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java +++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/helper/PdfAsParameterExtractor.java @@ -50,6 +50,8 @@ public class PdfAsParameterExtractor { public static final String PARAM_INVOKE_URL = "invoke-app-url"; public static final String PARAM_INVOKE_URL_TARGET = "invoke-app-url-target"; public static final String PARAM_INVOKE_URL_ERROR = "invoke-app-error-url"; + public static final String PARAM_RESPONSE_MODE = "responsemode"; + public static final String PARAM_VERIFY_LEVEL = "verify-level"; public static final String PARAM_VERIFY_LEVEL_OPTION_FULL = "full"; @@ -239,4 +241,8 @@ public class PdfAsParameterExtractor { public static String getSigIdx(HttpServletRequest request) { return (String)request.getAttribute(PARAM_SIG_IDX); } + + public static String getResonseMode(HttpServletRequest request) { + return (String)request.getAttribute(PARAM_RESPONSE_MODE); + } } diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java index 1d2ab14e..d1345eef 100644 --- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java +++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ExternSignServlet.java @@ -336,6 +336,10 @@ public class ExternSignServlet extends HttpServlet { String locale = PdfAsParameterExtractor.getLocale(request); PdfAsHelper.setLocale(request, response, locale); + String responseMode = PdfAsParameterExtractor.getResonseMode(request); + PdfAsHelper.setResponseMode(request, response, responseMode); + + //read and set placholder web id String placeholder_id = PdfAsParameterExtractor.getPlaceholderId(request); PlaceholderWebConfiguration.setValue(IConfigurationConstants.PLACEHOLDER_WEB_ID, placeholder_id); diff --git a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ProvidePDFServlet.java b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ProvidePDFServlet.java index 815d532e..7262586d 100644 --- a/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ProvidePDFServlet.java +++ b/pdf-as-web/src/main/java/at/gv/egiz/pdfas/web/servlets/ProvidePDFServlet.java @@ -27,6 +27,7 @@ import java.io.IOException; import java.net.URL; import java.net.URLEncoder; +import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; @@ -90,12 +91,21 @@ public class ProvidePDFServlet extends HttpServlet { logger.warn(invokeURL + " is not allowed by whitelist"); } - String template = PdfAsHelper.getProvideTemplate(); - template = template.replace(PDF_DATA_URL, PdfAsHelper.generatePdfURL(request, response)); - // Deliver to Browser directly! - response.setContentType("text/html"); - response.getWriter().write(template); - response.getWriter().close(); + if (PdfAsHelper.getResponseMode(request, response).equals(PdfAsHelper.PDF_RESPONSE_MODES.htmlform)) { + String template = PdfAsHelper.getProvideTemplate(); + template = template.replace(PDF_DATA_URL, PdfAsHelper.generatePdfURL(request, response)); + // Deliver to Browser directly! + response.setContentType("text/html"); + response.getWriter().write(template); + response.getWriter().close(); + + } else { + logger.debug("PDFResult directMode: Forward to PDFData Servlet directly"); + RequestDispatcher dispatcher = getServletContext().getRequestDispatcher("/PDFData"); + dispatcher.forward(request, response); + + } + } else { // Redirect Browser String template = PdfAsHelper.getInvokeRedirectTemplateSL(); -- cgit v1.2.3