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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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 <sal/config.h>
#include <type_traits>
#include <test/bootstrapfixture.hxx>
#include <unotest/macros_test.hxx>
#include <com/sun/star/document/XStorageBasedDocument.hpp>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/XTransactedObject.hpp>
#include <com/sun/star/frame/Desktop.hpp>
#include <com/sun/star/frame/XStorable.hpp>
#include <com/sun/star/security/SerialNumberAdapter.hpp>
#include <com/sun/star/xml/crypto/SEInitializer.hpp>
#include <com/sun/star/io/TempFile.hpp>
#include <comphelper/processfactory.hxx>
#include <sax/tools/converter.hxx>
#include <unotools/mediadescriptor.hxx>
#include <unotools/tempfile.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <unotools/streamwrap.hxx>
#include <comphelper/storagehelper.hxx>
#include <tools/date.hxx>
#include <tools/time.hxx>
#include <sfx2/sfxbasemodel.hxx>
#include <sfx2/objsh.hxx>
#include <xmlsecurity/documentsignaturehelper.hxx>
#include <xmlsecurity/xmlsignaturehelper.hxx>
using namespace com::sun::star;
namespace
{
const char* DATA_DIRECTORY = "/xmlsecurity/qa/unit/signing/data/";
}
/// Testsuite for the document signing feature.
class SigningTest : public test::BootstrapFixture, public unotest::MacrosTest
{
uno::Reference<uno::XComponentContext> mxComponentContext;
uno::Reference<lang::XComponent> mxComponent;
public:
SigningTest();
virtual void setUp() override;
virtual void tearDown() override;
void testDescription();
/// Test a typical OOXML where a number of (but not all) streams are signed.
void testOOXMLPartial();
/// Test a typical broken OOXML signature where one stream is corrupted.
void testOOXMLBroken();
CPPUNIT_TEST_SUITE(SigningTest);
CPPUNIT_TEST(testDescription);
CPPUNIT_TEST(testOOXMLPartial);
CPPUNIT_TEST(testOOXMLBroken);
CPPUNIT_TEST_SUITE_END();
private:
void createDoc(const OUString& rURL = OUString());
uno::Reference<security::XCertificate> getCertificate(XMLSignatureHelper& rSignatureHelper);
void sign(utl::TempFile& rTempFile, XMLSignatureHelper& rSignatureHelper, const uno::Reference<io::XOutputStream>& xOutputStream);
std::vector<SignatureInformation> verify(XMLSignatureHelper& rSignatureHelper, const uno::Reference<io::XInputStream>& xInputStream);
};
SigningTest::SigningTest()
{
}
void SigningTest::setUp()
{
test::BootstrapFixture::setUp();
mxComponentContext.set(comphelper::getComponentContext(getMultiServiceFactory()));
mxDesktop.set(frame::Desktop::create(mxComponentContext));
}
void SigningTest::tearDown()
{
if (mxComponent.is())
mxComponent->dispose();
test::BootstrapFixture::tearDown();
}
void SigningTest::createDoc(const OUString& rURL)
{
if (mxComponent.is())
mxComponent->dispose();
if (rURL.isEmpty())
mxComponent = loadFromDesktop("private:factory/swriter", "com.sun.star.text.TextDocument");
else
mxComponent = loadFromDesktop(rURL, "com.sun.star.text.TextDocument");
}
uno::Reference<security::XCertificate> SigningTest::getCertificate(XMLSignatureHelper& rSignatureHelper)
{
uno::Reference<xml::crypto::XSecurityEnvironment> xSecurityEnvironment = rSignatureHelper.GetSecurityEnvironment();
OUString aCertificate;
{
SvFileStream aStream(getURLFromSrc(DATA_DIRECTORY) + "certificate.crt", StreamMode::READ);
OString aLine;
bool bMore = aStream.ReadLine(aLine);
while (bMore)
{
aCertificate += OUString::fromUtf8(aLine);
aCertificate += "\n";
bMore = aStream.ReadLine(aLine);
}
}
return xSecurityEnvironment->createCertificateFromAscii(aCertificate);
}
void SigningTest::sign(utl::TempFile& rTempFile, XMLSignatureHelper& rSignatureHelper, const uno::Reference<io::XOutputStream>& xOutputStream)
{
CPPUNIT_ASSERT(rSignatureHelper.Init());
SvStream* pStream = utl::UcbStreamHelper::CreateStream(rTempFile.GetURL(), StreamMode::READ);
uno::Reference<io::XStream> xStream(new utl::OStreamWrapper(*pStream));
uno::Reference<embed::XStorage> xStorage = comphelper::OStorageHelper::GetStorageOfFormatFromStream(ZIP_STORAGE_FORMAT_STRING, xStream);
CPPUNIT_ASSERT(xStorage.is());
rSignatureHelper.SetStorage(xStorage, "1.2");
uno::Reference<security::XCertificate> xCertificate = getCertificate(rSignatureHelper);
CPPUNIT_ASSERT(xCertificate.is());
uno::Reference<security::XSerialNumberAdapter> xSerialNumberAdapter = security::SerialNumberAdapter::create(mxComponentContext);
OUString aCertSerial = xSerialNumberAdapter->toString(xCertificate->getSerialNumber());
CPPUNIT_ASSERT(!aCertSerial.isEmpty());
rSignatureHelper.StartMission();
sal_Int32 nSecurityId = rSignatureHelper.GetNewSecurityId();
OUStringBuffer aStrBuffer;
sax::Converter::encodeBase64(aStrBuffer, xCertificate->getEncoded());
rSignatureHelper.SetX509Certificate(nSecurityId, xCertificate->getIssuerName(), aCertSerial, aStrBuffer.makeStringAndClear());
DocumentSignatureMode eSignatureMode = SignatureModeDocumentContent;
std::vector<OUString> aElements = DocumentSignatureHelper::CreateElementList(xStorage, eSignatureMode, OOo3_2Document);
for (size_t i = 0; i < aElements.size(); ++i)
{
bool bBinaryMode = aElements[i].startsWith("Thumbnails/");
rSignatureHelper.AddForSigning(nSecurityId, aElements[i], aElements[i], bBinaryMode);
}
rSignatureHelper.SetDateTime(nSecurityId, Date(Date::SYSTEM), tools::Time(tools::Time::SYSTEM));
rSignatureHelper.SetDescription(nSecurityId, "SigningTest::sign");
uno::Reference<xml::sax::XWriter> xWriter = rSignatureHelper.CreateDocumentHandlerWithHeader(xOutputStream);
uno::Reference<xml::sax::XDocumentHandler> xDocumentHandler(xWriter, uno::UNO_QUERY);
CPPUNIT_ASSERT(rSignatureHelper.CreateAndWriteSignature(xDocumentHandler));
XMLSignatureHelper::CloseDocumentHandler(xDocumentHandler);
rSignatureHelper.EndMission();
}
std::vector<SignatureInformation> SigningTest::verify(XMLSignatureHelper& rSignatureHelper, const uno::Reference<io::XInputStream>& xInputStream)
{
rSignatureHelper.StartMission();
rSignatureHelper.ReadAndVerifySignature(xInputStream);
rSignatureHelper.EndMission();
return rSignatureHelper.GetSignatureInformations();
}
void SigningTest::testDescription()
{
// Create an empty document and store it to a tempfile.
createDoc();
utl::TempFile aTempFile;
aTempFile.EnableKillingFile();
uno::Reference<frame::XStorable> xStorable(mxComponent, uno::UNO_QUERY);
utl::MediaDescriptor aMediaDescriptor;
aMediaDescriptor["FilterName"] <<= OUString("writer8");
xStorable->storeAsURL(aTempFile.GetURL(), aMediaDescriptor.getAsConstPropertyValueList());
// Then sign the document, and store the signature it a second tempfile, so we don't write to the original storage when we read it as well.
XMLSignatureHelper aSignatureHelper(mxComponentContext);
uno::Reference<io::XStream> xSignatureStream(io::TempFile::create(mxComponentContext), uno::UNO_QUERY);
uno::Reference<io::XOutputStream> xOutputStream(xSignatureStream, uno::UNO_QUERY);
sign(aTempFile, aSignatureHelper, xOutputStream);
// Go back to the start of the signature.
uno::Reference<io::XSeekable> xSeekable(xSignatureStream, uno::UNO_QUERY);
CPPUNIT_ASSERT(xSeekable->getPosition() != 0);
xSeekable->seek(0);
// Read back the signature and make sure that the description survives the roundtrip.
uno::Reference<io::XInputStream> xInputStream(xSignatureStream, uno::UNO_QUERY);
std::vector<SignatureInformation> aSignatureInformations = verify(aSignatureHelper, xInputStream);
CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), aSignatureInformations.size());
CPPUNIT_ASSERT_EQUAL(OUString("SigningTest::sign"), aSignatureInformations[0].ouDescription);
}
void SigningTest::testOOXMLPartial()
{
createDoc(getURLFromSrc(DATA_DIRECTORY) + "partial.docx");
SfxBaseModel* pBaseModel = dynamic_cast<SfxBaseModel*>(mxComponent.get());
CPPUNIT_ASSERT(pBaseModel);
SfxObjectShell* pObjectShell = pBaseModel->GetObjectShell();
CPPUNIT_ASSERT(pObjectShell);
// This was SignatureState::BROKEN due to missing RelationshipTransform and SHA-256 support.
// We expect NOTVALIDATED in case the root CA is not imported on the system, and PARTIAL_OK otherwise, so accept both.
SignatureState nActual = pObjectShell->GetDocumentSignatureState();
CPPUNIT_ASSERT_MESSAGE(
(OString::number(
static_cast<std::underlying_type<SignatureState>::type>(nActual))
.getStr()),
(nActual == SignatureState::NOTVALIDATED
|| nActual == SignatureState::PARTIAL_OK));
}
void SigningTest::testOOXMLBroken()
{
createDoc(getURLFromSrc(DATA_DIRECTORY) + "bad.docx");
SfxBaseModel* pBaseModel = dynamic_cast<SfxBaseModel*>(mxComponent.get());
CPPUNIT_ASSERT(pBaseModel);
SfxObjectShell* pObjectShell = pBaseModel->GetObjectShell();
CPPUNIT_ASSERT(pObjectShell);
// This was SignatureState::NOTVALIDATED/PARTIAL_OK as we did not validate manifest references.
CPPUNIT_ASSERT_EQUAL(static_cast<int>(SignatureState::BROKEN), static_cast<int>(pObjectShell->GetDocumentSignatureState()));
}
CPPUNIT_TEST_SUITE_REGISTRATION(SigningTest);
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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