7b6f477799
Change-Id: I720d7d4920ae9c2f5d74ad827e1e214a62fe81a9 Reviewed-on: https://gerrit.libreoffice.org/62947 Tested-by: Jenkins Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
126 lines
5.4 KiB
C++
126 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "SignatureLineContext.hxx"
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/embed/XStorage.hpp>
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#include <com/sun/star/frame/XStorable.hpp>
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#include <com/sun/star/graphic/XGraphic.hpp>
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#include <com/sun/star/security/DocumentDigitalSignatures.hpp>
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#include <com/sun/star/security/XDocumentDigitalSignatures.hpp>
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#include <com/sun/star/xml/sax/XAttributeList.hpp>
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#include <sal/log.hxx>
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#include <comphelper/processfactory.hxx>
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#include <comphelper/storagehelper.hxx>
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#include <xmloff/xmltoken.hxx>
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#include <xmloff/xmlimp.hxx>
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using namespace css;
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using namespace css::xml::sax;
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using namespace css::uno;
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using namespace css::drawing;
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using namespace css::embed;
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using namespace css::frame;
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using namespace css::io;
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using namespace css::graphic;
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using namespace css::security;
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using namespace xmloff::token;
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SignatureLineContext::SignatureLineContext(SvXMLImport& rImport, sal_uInt16 nPrfx,
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const OUString& rLocalName,
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const Reference<XAttributeList>& xAttrList,
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const Reference<XShape>& rxShape)
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: SvXMLImportContext(rImport, nPrfx, rLocalName)
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{
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Reference<beans::XPropertySet> xPropSet(rxShape, UNO_QUERY_THROW);
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xPropSet->setPropertyValue("IsSignatureLine", Any(true));
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xPropSet->setPropertyValue("SignatureLineId", Any(xAttrList->getValueByName("loext:id")));
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xPropSet->setPropertyValue("SignatureLineSuggestedSignerName",
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Any(xAttrList->getValueByName("loext:suggested-signer-name")));
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xPropSet->setPropertyValue("SignatureLineSuggestedSignerTitle",
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Any(xAttrList->getValueByName("loext:suggested-signer-title")));
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xPropSet->setPropertyValue("SignatureLineSuggestedSignerEmail",
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Any(xAttrList->getValueByName("loext:suggested-signer-email")));
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xPropSet->setPropertyValue("SignatureLineSigningInstructions",
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Any(xAttrList->getValueByName("loext:signing-instructions")));
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bool bShowSignDate = xAttrList->getValueByName("loext:show-sign-date") == GetXMLToken(XML_TRUE);
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bool bCanAddComment
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= xAttrList->getValueByName("loext:can-add-comment") == GetXMLToken(XML_TRUE);
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xPropSet->setPropertyValue("SignatureLineShowSignDate", Any(bShowSignDate));
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xPropSet->setPropertyValue("SignatureLineCanAddComment", Any(bCanAddComment));
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Reference<XGraphic> xGraphic;
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bool bIsSigned(false);
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try
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{
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// Get the document signatures
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Reference<XDocumentDigitalSignatures> xSignatures(
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security::DocumentDigitalSignatures::createWithVersion(
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comphelper::getProcessComponentContext(), "1.2"));
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css::uno::Reference<XStorable> xStorable(GetImport().GetModel(), UNO_QUERY_THROW);
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Reference<XStorage> xStorage = comphelper::OStorageHelper::GetStorageOfFormatFromURL(
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ZIP_STORAGE_FORMAT_STRING, xStorable->getLocation(), ElementModes::READ);
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if (!xStorage.is())
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{
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SAL_WARN("xmloff", "No xStorage!");
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return;
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}
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Sequence<DocumentSignatureInformation> xSignatureInfo
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= xSignatures->verifyDocumentContentSignatures(xStorage, Reference<XInputStream>());
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for (int i = 0; i < xSignatureInfo.getLength(); i++)
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{
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// Try to find matching signature line image - if none exists that is fine,
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// then the signature line is not digitally signed.
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if (xSignatureInfo[i].SignatureLineId == xAttrList->getValueByName("loext:id"))
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{
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bIsSigned = true;
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if (xSignatureInfo[i].SignatureIsValid)
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{
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// Signature is valid, use the 'valid' image
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SAL_WARN_IF(!xSignatureInfo[i].ValidSignatureLineImage.is(), "xmloff",
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"No ValidSignatureLineImage!");
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xGraphic = xSignatureInfo[i].ValidSignatureLineImage;
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}
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else
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{
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// Signature is invalid, use the 'invalid' image
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SAL_WARN_IF(!xSignatureInfo[i].InvalidSignatureLineImage.is(), "xmloff",
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"No InvalidSignatureLineImage!");
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xGraphic = xSignatureInfo[i].InvalidSignatureLineImage;
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}
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// Save unsigned graphic
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Reference<XGraphic> xUnsignedGraphic;
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xPropSet->getPropertyValue("Graphic") >>= xUnsignedGraphic;
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if (xUnsignedGraphic.is())
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xPropSet->setPropertyValue("SignatureLineUnsignedImage", Any(xUnsignedGraphic));
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xPropSet->setPropertyValue("Graphic", Any(xGraphic));
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break;
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}
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}
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xPropSet->setPropertyValue("SignatureLineIsSigned", Any(bIsSigned));
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}
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catch (css::uno::Exception&)
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{
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// DocumentDigitalSignatures service not available.
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// We render the "unsigned" shape instead.
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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