66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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 <pdfsignaturehelper.hxx>
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#include <memory>
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#include <comphelper/sequence.hxx>
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#include <tools/stream.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <pdfio/pdfdocument.hxx>
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using namespace ::com::sun::star;
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bool PDFSignatureHelper::ReadAndVerifySignature(const uno::Reference<io::XInputStream>& xInputStream)
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{
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if (!xInputStream.is())
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{
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SAL_WARN("xmlsecurity.helper", "input stream missing");
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return false;
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}
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std::unique_ptr<SvStream> pStream(utl::UcbStreamHelper::CreateStream(xInputStream, true));
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xmlsecurity::pdfio::PDFDocument aDocument;
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if (!aDocument.Read(*pStream))
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{
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SAL_WARN("xmlsecurity.helper", "failed to read the document");
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return false;
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}
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std::vector<xmlsecurity::pdfio::PDFObjectElement*> aSignatures = aDocument.GetSignatureWidgets();
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if (aSignatures.empty())
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return true;
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for (size_t i = 0; i < aSignatures.size(); ++i)
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{
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security::DocumentSignatureInformation aInfo;
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bool bDigestMatch;
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if (!xmlsecurity::pdfio::PDFDocument::ValidateSignature(*pStream, aSignatures[i], bDigestMatch))
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{
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SAL_WARN("xmlsecurity.helper", "failed to determine digest match");
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continue;
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}
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aInfo.SignatureIsValid = bDigestMatch;
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m_aSignatureInfos.push_back(aInfo);
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}
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return true;
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}
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uno::Sequence<security::DocumentSignatureInformation> PDFSignatureHelper::GetDocumentSignatureInformations()
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{
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return comphelper::containerToSequence(m_aSignatureInfos);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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