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-rw-r--r--xmloff/source/draw/SignatureLineContext.cxx136
1 files changed, 136 insertions, 0 deletions
diff --git a/xmloff/source/draw/SignatureLineContext.cxx b/xmloff/source/draw/SignatureLineContext.cxx
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+++ b/xmloff/source/draw/SignatureLineContext.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include "SignatureLineContext.hxx"
+
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/frame/XStorable.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/security/DocumentDigitalSignatures.hpp>
+#include <com/sun/star/security/XDocumentDigitalSignatures.hpp>
+#include <com/sun/star/xml/sax/XAttributeList.hpp>
+
+#include <sal/log.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <xmloff/xmltoken.hxx>
+#include <xmloff/xmlimp.hxx>
+#include <xmloff/xmlnamespace.hxx>
+
+using namespace css;
+using namespace css::xml::sax;
+using namespace css::uno;
+using namespace css::drawing;
+using namespace css::embed;
+using namespace css::frame;
+using namespace css::io;
+using namespace css::graphic;
+using namespace css::security;
+using namespace xmloff::token;
+
+SignatureLineContext::SignatureLineContext(SvXMLImport& rImport, sal_Int32 /*nElement*/,
+ const Reference<XFastAttributeList>& xAttrList,
+ const Reference<XShape>& rxShape)
+ : SvXMLImportContext(rImport)
+{
+ Reference<beans::XPropertySet> xPropSet(rxShape, UNO_QUERY_THROW);
+
+ xPropSet->setPropertyValue("IsSignatureLine", Any(true));
+
+ xPropSet->setPropertyValue("SignatureLineId",
+ Any(xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_ID))));
+ xPropSet->setPropertyValue(
+ "SignatureLineSuggestedSignerName",
+ Any(xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_SUGGESTED_SIGNER_NAME))));
+ xPropSet->setPropertyValue(
+ "SignatureLineSuggestedSignerTitle",
+ Any(xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_SUGGESTED_SIGNER_TITLE))));
+ xPropSet->setPropertyValue(
+ "SignatureLineSuggestedSignerEmail",
+ Any(xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_SUGGESTED_SIGNER_EMAIL))));
+ xPropSet->setPropertyValue(
+ "SignatureLineSigningInstructions",
+ Any(xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_SIGNING_INSTRUCTIONS))));
+
+ bool bShowSignDate = xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_SHOW_SIGN_DATE))
+ == GetXMLToken(XML_TRUE);
+ bool bCanAddComment = xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_CAN_ADD_COMMENT))
+ == GetXMLToken(XML_TRUE);
+ xPropSet->setPropertyValue("SignatureLineShowSignDate", Any(bShowSignDate));
+ xPropSet->setPropertyValue("SignatureLineCanAddComment", Any(bCanAddComment));
+
+ // Save unsigned graphic (need it when exporting)
+ Reference<XGraphic> xUnsignedGraphic;
+ xPropSet->getPropertyValue("Graphic") >>= xUnsignedGraphic;
+ if (xUnsignedGraphic.is())
+ xPropSet->setPropertyValue("SignatureLineUnsignedImage", Any(xUnsignedGraphic));
+
+ Reference<XGraphic> xGraphic;
+ try
+ {
+ // Get the document signatures
+ css::uno::Reference<XStorable> xStorable(GetImport().GetModel(), UNO_QUERY_THROW);
+ Reference<XStorage> xStorage = comphelper::OStorageHelper::GetStorageOfFormatFromURL(
+ ZIP_STORAGE_FORMAT_STRING, xStorable->getLocation(), ElementModes::READ);
+
+ if (!xStorage.is())
+ {
+ SAL_WARN("xmloff", "No xStorage!");
+ return;
+ }
+
+ OUString const aODFVersion(comphelper::OStorageHelper::GetODFVersionFromStorage(xStorage));
+ Reference<XDocumentDigitalSignatures> xSignatures(
+ security::DocumentDigitalSignatures::createWithVersion(
+ comphelper::getProcessComponentContext(), aODFVersion));
+
+ const Sequence<DocumentSignatureInformation> xSignatureInfo
+ = xSignatures->verifyDocumentContentSignatures(xStorage, Reference<XInputStream>());
+
+ // Try to find matching signature line image - if none exists that is fine,
+ // then the signature line is not digitally signed.
+ auto pSignatureInfo
+ = std::find_if(xSignatureInfo.begin(), xSignatureInfo.end(),
+ [&xAttrList](const DocumentSignatureInformation& rSignatureInfo) {
+ return rSignatureInfo.SignatureLineId
+ == xAttrList->getOptionalValue(XML_ELEMENT(LO_EXT, XML_ID));
+ });
+ bool bIsSigned(false);
+ if (pSignatureInfo != xSignatureInfo.end())
+ {
+ bIsSigned = true;
+ if (pSignatureInfo->SignatureIsValid)
+ {
+ // Signature is valid, use the 'valid' image
+ SAL_WARN_IF(!pSignatureInfo->ValidSignatureLineImage.is(), "xmloff",
+ "No ValidSignatureLineImage!");
+ xGraphic = pSignatureInfo->ValidSignatureLineImage;
+ }
+ else
+ {
+ // Signature is invalid, use the 'invalid' image
+ SAL_WARN_IF(!pSignatureInfo->InvalidSignatureLineImage.is(), "xmloff",
+ "No InvalidSignatureLineImage!");
+ xGraphic = pSignatureInfo->InvalidSignatureLineImage;
+ }
+
+ xPropSet->setPropertyValue("Graphic", Any(xGraphic));
+ }
+ xPropSet->setPropertyValue("SignatureLineIsSigned", Any(bIsSigned));
+ }
+ catch (css::uno::Exception&)
+ {
+ // DocumentDigitalSignatures service not available.
+ // We render the "unsigned" shape instead.
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */