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853 | /* -*- 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <resourcemanager.hxx>
#include <digitalsignaturesdialog.hxx>
#include <certificatechooser.hxx>
#include <certificateviewer.hxx>
#include <macrosecurity.hxx>
#include <biginteger.hxx>
#include <strings.hrc>
#include <pdfsignaturehelper.hxx>
#include <sax/tools/converter.hxx>
#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/StorageFormats.hpp>
#include <com/sun/star/embed/XTransactedObject.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/ucb/XContent.hpp>
#include <com/sun/star/ucb/XContentIdentifierFactory.hpp>
#include <com/sun/star/ucb/XCommandEnvironment.hpp>
#include <com/sun/star/ucb/XCommandProcessor.hpp>
#include <com/sun/star/ucb/Command.hpp>
#include <com/sun/star/uno/SecurityException.hpp>
#include <vcl/weld.hxx>
#include <vcl/svapp.hxx>
#include <tools/date.hxx>
#include <unotools/securityoptions.hxx>
#include <com/sun/star/security/CertificateValidity.hpp>
#include <com/sun/star/security/CertificateKind.hpp>
#include <comphelper/base64.hxx>
#include <comphelper/documentconstants.hxx>
#include <comphelper/propertyvalue.hxx>
#include <comphelper/sequence.hxx>
#include <cppuhelper/implbase.hxx>
#include <comphelper/xmlsechelper.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <sal/log.hxx>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/security/XDocumentDigitalSignatures.hpp>
#include <com/sun/star/xml/crypto/XXMLSecurityContext.hpp>
#include <map>
using namespace css;
using namespace css::uno;
using namespace css::lang;
using namespace css::security;
using namespace css::xml::crypto;
namespace {
class DocumentDigitalSignatures
: public cppu::WeakImplHelper<css::security::XDocumentDigitalSignatures,
css::lang::XInitialization, css::lang::XServiceInfo>
{
private:
css::uno::Reference<css::uno::XComponentContext> mxCtx;
css::uno::Reference<css::awt::XWindow> mxParentWindow;
/// will be set by XInitialization. If not we assume true. false means an earlier version (whatever that means,
/// this is a string, not a boolean).
/// Note that the code talks about "ODF version" even if this class is also used to sign OOXML.
OUString m_sODFVersion;
/// The number of arguments which were passed in XInitialization::initialize
int m_nArgumentsCount;
/// Indicates if the document already contains a document signature
bool m_bHasDocumentSignature;
/// @throws css::uno::RuntimeException
bool ImplViewSignatures(const css::uno::Reference<css::embed::XStorage>& rxStorage,
const css::uno::Reference<css::io::XStream>& xSignStream,
DocumentSignatureMode eMode, bool bReadOnly);
/// @throws css::uno::RuntimeException
void ImplViewSignatures(const css::uno::Reference<css::embed::XStorage>& rxStorage,
const css::uno::Reference<css::io::XInputStream>& xSignStream,
DocumentSignatureMode eMode, bool bReadOnly);
/// @throws css::uno::RuntimeException
css::uno::Sequence<css::security::DocumentSignatureInformation>
ImplVerifySignatures(const css::uno::Reference<css::embed::XStorage>& rxStorage,
const ::com::sun::star::uno::Reference<css::io::XInputStream>& xSignStream,
DocumentSignatureMode eMode);
css::uno::Sequence<css::uno::Reference<css::security::XCertificate>>
chooseCertificatesImpl(std::map<OUString, OUString>& rProperties, const UserAction eAction,
const CertificateKind certificateKind=CertificateKind_NONE);
bool signWithCertificateImpl(
css::uno::Reference<css::security::XCertificate> const& xCertificate,
css::uno::Reference<css::embed::XStorage> const& xStorage,
css::uno::Reference<css::io::XStream> const& xStream, DocumentSignatureMode eMode);
public:
explicit DocumentDigitalSignatures(
const css::uno::Reference<css::uno::XComponentContext>& rxCtx);
//XInitialization
void SAL_CALL initialize(const css::uno::Sequence<css::uno::Any>& aArguments) override;
OUString SAL_CALL getImplementationName() override;
sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override;
css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
// XDocumentDigitalSignatures
sal_Bool SAL_CALL
signDocumentContent(const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XStream>& xSignStream) override;
sal_Bool SAL_CALL signSignatureLine(
const css::uno::Reference<css::embed::XStorage>& Storage,
const css::uno::Reference<css::io::XStream>& xSignStream, const OUString& aSignatureLineId,
const Reference<css::security::XCertificate>& xCertificate,
const Reference<css::graphic::XGraphic>& xValidGraphic,
const Reference<css::graphic::XGraphic>& xInvalidGraphic,
const OUString& aComment) override;
css::uno::Sequence<css::security::DocumentSignatureInformation>
SAL_CALL verifyDocumentContentSignatures(
const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XInputStream>& xSignInStream) override;
void SAL_CALL showDocumentContentSignatures(
const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XInputStream>& xSignInStream) override;
OUString SAL_CALL getDocumentContentSignatureDefaultStreamName() override;
sal_Bool SAL_CALL
signScriptingContent(const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XStream>& xSignStream) override;
css::uno::Sequence<css::security::DocumentSignatureInformation>
SAL_CALL verifyScriptingContentSignatures(
const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XInputStream>& xSignInStream) override;
void SAL_CALL showScriptingContentSignatures(
const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XInputStream>& xSignInStream) override;
OUString SAL_CALL getScriptingContentSignatureDefaultStreamName() override;
sal_Bool SAL_CALL
signPackage(const css::uno::Reference<css::embed::XStorage>& Storage,
const css::uno::Reference<css::io::XStream>& xSignStream) override;
css::uno::Sequence<css::security::DocumentSignatureInformation>
SAL_CALL verifyPackageSignatures(
const css::uno::Reference<css::embed::XStorage>& Storage,
const css::uno::Reference<css::io::XInputStream>& xSignInStream) override;
void SAL_CALL
showPackageSignatures(const css::uno::Reference<css::embed::XStorage>& xStorage,
const css::uno::Reference<css::io::XInputStream>& xSignInStream) override;
OUString SAL_CALL getPackageSignatureDefaultStreamName() override;
void SAL_CALL
showCertificate(const css::uno::Reference<css::security::XCertificate>& Certificate) override;
void SAL_CALL manageTrustedSources() override;
sal_Bool SAL_CALL
isAuthorTrusted(const css::uno::Reference<css::security::XCertificate>& Author) override;
sal_Bool SAL_CALL isLocationTrusted(const OUString& Location) override;
void SAL_CALL addAuthorToTrustedSources(
const css::uno::Reference<css::security::XCertificate>& Author) override;
void SAL_CALL addLocationToTrustedSources(const OUString& Location) override;
css::uno::Reference<css::security::XCertificate>
SAL_CALL chooseCertificate(OUString& rDescription) override;
css::uno::Reference<css::security::XCertificate>
SAL_CALL chooseSigningCertificate(OUString& rDescription) override;
css::uno::Reference<css::security::XCertificate>
SAL_CALL selectSigningCertificate(OUString& rDescription) override;
css::uno::Reference<css::security::XCertificate>
SAL_CALL selectSigningCertificateWithType(const CertificateKind certificateKind,
OUString& rDescription) override;
css::uno::Sequence<css::uno::Reference<css::security::XCertificate>>
SAL_CALL chooseEncryptionCertificate() override;
css::uno::Reference<css::security::XCertificate> SAL_CALL chooseCertificateWithProps(
css::uno::Sequence<::com::sun::star::beans::PropertyValue>& Properties) override;
sal_Bool SAL_CALL signDocumentWithCertificate(
css::uno::Reference<css::security::XCertificate> const & xCertificate,
css::uno::Reference<css::embed::XStorage> const & xStoragexStorage,
css::uno::Reference<css::io::XStream> const & xStream) override;
sal_Bool SAL_CALL signPackageWithCertificate(
css::uno::Reference<css::security::XCertificate> const& xCertificate,
css::uno::Reference<css::embed::XStorage> const& xStoragexStorage,
css::uno::Reference<css::io::XStream> const& xStream) override;
sal_Bool SAL_CALL signScriptingContentWithCertificate(
css::uno::Reference<css::security::XCertificate> const& xCertificate,
css::uno::Reference<css::embed::XStorage> const& xStoragexStorage,
css::uno::Reference<css::io::XStream> const& xStream) override;
void SAL_CALL setParentWindow(const css::uno::Reference<css::awt::XWindow>& rParentwindow) override
{
mxParentWindow = rParentwindow;
}
};
}
DocumentDigitalSignatures::DocumentDigitalSignatures( const Reference< XComponentContext >& rxCtx ):
mxCtx(rxCtx),
m_sODFVersion(ODFVER_013_TEXT),
m_nArgumentsCount(0),
m_bHasDocumentSignature(false)
{
}
void DocumentDigitalSignatures::initialize( const Sequence< Any >& aArguments)
{
if (aArguments.getLength() > 2)
throw css::lang::IllegalArgumentException(
"DocumentDigitalSignatures::initialize requires zero, one, or two arguments",
static_cast<XInitialization*>(this), 0);
m_nArgumentsCount = aArguments.getLength();
if (aArguments.hasElements())
{
if (!(aArguments[0] >>= m_sODFVersion))
throw css::lang::IllegalArgumentException(
"DocumentDigitalSignatures::initialize: the first arguments must be a string",
static_cast<XInitialization*>(this), 0);
if (aArguments.getLength() == 2
&& !(aArguments[1] >>= m_bHasDocumentSignature))
throw css::lang::IllegalArgumentException(
"DocumentDigitalSignatures::initialize: the second arguments must be a bool",
static_cast<XInitialization*>(this), 1);
//the Version is supported as of ODF1.2, so for and 1.1 document or older we will receive the
//an empty string. In this case we set it to ODFVER_010_TEXT. Then we can later check easily
//if initialize was called. Only then m_sODFVersion.getLength() is greater than 0
if (m_sODFVersion.isEmpty())
m_sODFVersion = ODFVER_010_TEXT;
}
}
OUString DocumentDigitalSignatures::getImplementationName()
{
return "com.sun.star.security.DocumentDigitalSignatures";
}
sal_Bool DocumentDigitalSignatures::supportsService(
OUString const & ServiceName)
{
return cppu::supportsService(this, ServiceName);
}
css::uno::Sequence<OUString>
DocumentDigitalSignatures::getSupportedServiceNames()
{
Sequence<OUString> aRet{ "com.sun.star.security.DocumentDigitalSignatures" };
return aRet;
}
sal_Bool DocumentDigitalSignatures::signDocumentContent(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XStream >& xSignStream)
{
OSL_ENSURE(!m_sODFVersion.isEmpty(), "DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
return ImplViewSignatures( rxStorage, xSignStream, DocumentSignatureMode::Content, false );
}
sal_Bool DocumentDigitalSignatures::signSignatureLine(
const Reference<css::embed::XStorage>& rxStorage,
const Reference<css::io::XStream>& xSignStream,
const OUString& aSignatureLineId,
const Reference<css::security::XCertificate>& xCertificate,
const Reference<css::graphic::XGraphic>& xValidGraphic,
const Reference<css::graphic::XGraphic>& xInvalidGraphic,
const OUString& aComment)
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),
"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
DocumentSignatureManager aSignatureManager(mxCtx, DocumentSignatureMode::Content);
if (!aSignatureManager.init())
return false;
aSignatureManager.setStore(rxStorage);
aSignatureManager.getSignatureHelper().SetStorage(rxStorage, m_sODFVersion);
aSignatureManager.setSignatureStream(xSignStream);
Reference<XXMLSecurityContext> xSecurityContext;
Reference<XServiceInfo> xServiceInfo(xCertificate, UNO_QUERY);
if (xServiceInfo->getImplementationName()
== "com.sun.star.xml.security.gpg.XCertificate_GpgImpl")
xSecurityContext = aSignatureManager.getGpgSecurityContext();
else
xSecurityContext = aSignatureManager.getSecurityContext();
sal_Int32 nSecurityId;
bool bSuccess = aSignatureManager.add(xCertificate, xSecurityContext, aComment, nSecurityId,
true, aSignatureLineId, xValidGraphic, xInvalidGraphic);
if (!bSuccess)
return false;
// Need to have this to verify the signature
aSignatureManager.read(/*bUseTempStream=*/true, /*bCacheLastSignature=*/false);
aSignatureManager.write(true);
if (rxStorage.is() && !xSignStream.is())
{
uno::Reference<embed::XTransactedObject> xTrans(rxStorage, uno::UNO_QUERY);
xTrans->commit();
}
return true;
}
Sequence< css::security::DocumentSignatureInformation >
DocumentDigitalSignatures::verifyDocumentContentSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignInStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
return ImplVerifySignatures( rxStorage, xSignInStream, DocumentSignatureMode::Content );
}
void DocumentDigitalSignatures::showDocumentContentSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignInStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
ImplViewSignatures( rxStorage, xSignInStream, DocumentSignatureMode::Content, true );
}
OUString DocumentDigitalSignatures::getDocumentContentSignatureDefaultStreamName()
{
return DocumentSignatureHelper::GetDocumentContentSignatureDefaultStreamName();
}
sal_Bool DocumentDigitalSignatures::signScriptingContent(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XStream >& xSignStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
OSL_ENSURE(m_nArgumentsCount == 2, "DocumentDigitalSignatures: Service was not initialized properly");
return ImplViewSignatures( rxStorage, xSignStream, DocumentSignatureMode::Macros, false );
}
Sequence< css::security::DocumentSignatureInformation >
DocumentDigitalSignatures::verifyScriptingContentSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignInStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
return ImplVerifySignatures( rxStorage, xSignInStream, DocumentSignatureMode::Macros );
}
void DocumentDigitalSignatures::showScriptingContentSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignInStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
ImplViewSignatures( rxStorage, xSignInStream, DocumentSignatureMode::Macros, true );
}
OUString DocumentDigitalSignatures::getScriptingContentSignatureDefaultStreamName()
{
return DocumentSignatureHelper::GetScriptingContentSignatureDefaultStreamName();
}
sal_Bool DocumentDigitalSignatures::signPackage(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XStream >& xSignStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
return ImplViewSignatures( rxStorage, xSignStream, DocumentSignatureMode::Package, false );
}
Sequence< css::security::DocumentSignatureInformation >
DocumentDigitalSignatures::verifyPackageSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignInStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
return ImplVerifySignatures( rxStorage, xSignInStream, DocumentSignatureMode::Package );
}
void DocumentDigitalSignatures::showPackageSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignInStream )
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
ImplViewSignatures( rxStorage, xSignInStream, DocumentSignatureMode::Package, true );
}
OUString DocumentDigitalSignatures::getPackageSignatureDefaultStreamName( )
{
return DocumentSignatureHelper::GetPackageSignatureDefaultStreamName();
}
void DocumentDigitalSignatures::ImplViewSignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignStream,
DocumentSignatureMode eMode, bool bReadOnly )
{
Reference< io::XStream > xStream;
if ( xSignStream.is() )
xStream.set( xSignStream, UNO_QUERY );
ImplViewSignatures( rxStorage, xStream, eMode, bReadOnly );
}
bool DocumentDigitalSignatures::ImplViewSignatures(
const Reference< css::embed::XStorage >& rxStorage, const Reference< css::io::XStream >& xSignStream,
DocumentSignatureMode eMode, bool bReadOnly )
{
bool bChanges = false;
DigitalSignaturesDialog aSignaturesDialog(
Application::GetFrameWeld(mxParentWindow), mxCtx, eMode, bReadOnly, m_sODFVersion,
m_bHasDocumentSignature);
bool bInit = aSignaturesDialog.Init();
SAL_WARN_IF( !bInit, "xmlsecurity.comp", "Error initializing security context!" );
if ( bInit )
{
aSignaturesDialog.SetStorage(rxStorage);
aSignaturesDialog.SetSignatureStream( xSignStream );
if (aSignaturesDialog.run() == RET_OK)
{
if (aSignaturesDialog.SignaturesChanged())
{
bChanges = true;
// If we have a storage and no stream, we are responsible for commit
if ( rxStorage.is() && !xSignStream.is() )
{
uno::Reference< embed::XTransactedObject > xTrans( rxStorage, uno::UNO_QUERY );
xTrans->commit();
}
}
}
}
else
{
std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(Application::GetFrameWeld(mxParentWindow),
VclMessageType::Warning, VclButtonsType::Ok,
XsResId(RID_XMLSECWB_NO_MOZILLA_PROFILE)));
xBox->run();
}
return bChanges;
}
Sequence< css::security::DocumentSignatureInformation >
DocumentDigitalSignatures::ImplVerifySignatures(
const Reference< css::embed::XStorage >& rxStorage,
const Reference< css::io::XInputStream >& xSignStream, DocumentSignatureMode eMode )
{
DocumentSignatureManager aSignatureManager(mxCtx, eMode);
bool bInit = aSignatureManager.init();
SAL_WARN_IF(!bInit, "xmlsecurity.comp", "Error initializing security context!");
if (!bInit)
return uno::Sequence<security::DocumentSignatureInformation>(0);
if (!rxStorage.is())
{
if (xSignStream.is())
{
// Something not ZIP-based, try PDF.
PDFSignatureHelper& rSignatureHelper = aSignatureManager.getPDFSignatureHelper();
if (rSignatureHelper.ReadAndVerifySignature(xSignStream))
return rSignatureHelper.GetDocumentSignatureInformations(aSignatureManager.getSecurityEnvironment());
}
SAL_WARN( "xmlsecurity.comp", "Error, no XStorage provided");
return Sequence<css::security::DocumentSignatureInformation>();
}
// First check for the InputStream, to avoid unnecessary initialization of the security environment...
SignatureStreamHelper aStreamHelper;
Reference< io::XInputStream > xInputStream = xSignStream;
if ( !xInputStream.is() )
{
aStreamHelper = DocumentSignatureHelper::OpenSignatureStream( rxStorage, embed::ElementModes::READ, eMode );
if ( aStreamHelper.xSignatureStream.is() )
xInputStream.set( aStreamHelper.xSignatureStream, UNO_QUERY );
}
if (!xInputStream.is() && aStreamHelper.nStorageFormat != embed::StorageFormats::OFOPXML)
return Sequence< css::security::DocumentSignatureInformation >(0);
XMLSignatureHelper& rSignatureHelper = aSignatureManager.getSignatureHelper();
rSignatureHelper.SetStorage(rxStorage, m_sODFVersion);
rSignatureHelper.StartMission(aSignatureManager.getSecurityContext());
if (xInputStream.is())
rSignatureHelper.ReadAndVerifySignature(xInputStream);
else if (aStreamHelper.nStorageFormat == embed::StorageFormats::OFOPXML)
rSignatureHelper.ReadAndVerifySignatureStorage(aStreamHelper.xSignatureStorage);
rSignatureHelper.EndMission();
uno::Reference<xml::crypto::XSecurityEnvironment> xSecEnv = aSignatureManager.getSecurityEnvironment();
uno::Reference<xml::crypto::XSecurityEnvironment> xGpgSecEnv = aSignatureManager.getGpgSecurityEnvironment();
SignatureInformations aSignInfos = rSignatureHelper.GetSignatureInformations();
int nInfos = aSignInfos.size();
Sequence< css::security::DocumentSignatureInformation > aInfos(nInfos);
css::security::DocumentSignatureInformation* arInfos = aInfos.getArray();
for (int n = 0; n < nInfos; ++n)
{
DocumentSignatureAlgorithm mode
= DocumentSignatureHelper::getDocumentAlgorithm(m_sODFVersion, aSignInfos[n]);
const std::vector<OUString> aElementsToBeVerified
= DocumentSignatureHelper::CreateElementList(rxStorage, eMode, mode);
const SignatureInformation& rInfo = aSignInfos[n];
css::security::DocumentSignatureInformation& rSigInfo = arInfos[n];
if (rInfo.ouGpgCertificate.isEmpty()) // X.509
{
if (!rInfo.ouX509Certificate.isEmpty())
rSigInfo.Signer = xSecEnv->createCertificateFromAscii(rInfo.ouX509Certificate);
if (!rSigInfo.Signer.is())
rSigInfo.Signer = xSecEnv->getCertificate(
rInfo.ouX509IssuerName,
xmlsecurity::numericStringToBigInteger(rInfo.ouX509SerialNumber));
// On Windows checking the certificate path is buggy. It does name matching (issuer, subject name)
// to find the parent certificate. It does not take into account that there can be several certificates
// with the same subject name.
try
{
rSigInfo.CertificateStatus = xSecEnv->verifyCertificate(
rSigInfo.Signer, Sequence<Reference<css::security::XCertificate>>());
}
catch (SecurityException&)
{
OSL_FAIL("Verification of certificate failed");
rSigInfo.CertificateStatus = css::security::CertificateValidity::INVALID;
}
}
else if (xGpgSecEnv.is()) // GPG
{
// TODO not ideal to retrieve cert by keyID, might
// collide, or PGPKeyID format might change - can't we
// keep the xCert itself in rInfo?
rSigInfo.Signer = xGpgSecEnv->getCertificate(
rInfo.ouGpgKeyID, xmlsecurity::numericStringToBigInteger(""));
rSigInfo.CertificateStatus = xGpgSecEnv->verifyCertificate(
rSigInfo.Signer, Sequence<Reference<css::security::XCertificate>>());
}
// Time support again (#i38744#)
Date aDate(rInfo.stDateTime.Day, rInfo.stDateTime.Month, rInfo.stDateTime.Year);
tools::Time aTime(rInfo.stDateTime.Hours, rInfo.stDateTime.Minutes,
rInfo.stDateTime.Seconds, rInfo.stDateTime.NanoSeconds);
rSigInfo.SignatureDate = aDate.GetDate();
rSigInfo.SignatureTime = aTime.GetTime() / tools::Time::nanoPerCenti;
rSigInfo.SignatureIsValid
= (rInfo.nStatus == css::xml::crypto::SecurityOperationStatus_OPERATION_SUCCEEDED);
// Signature line info (ID + Images)
if (!rInfo.ouSignatureLineId.isEmpty())
rSigInfo.SignatureLineId = rInfo.ouSignatureLineId;
if (rInfo.aValidSignatureImage.is())
rSigInfo.ValidSignatureLineImage = rInfo.aValidSignatureImage;
if (rInfo.aInvalidSignatureImage.is())
rSigInfo.InvalidSignatureLineImage = rInfo.aInvalidSignatureImage;
// OOXML intentionally doesn't sign metadata.
if (rSigInfo.SignatureIsValid
&& aStreamHelper.nStorageFormat != embed::StorageFormats::OFOPXML)
{
rSigInfo.SignatureIsValid = DocumentSignatureHelper::checkIfAllFilesAreSigned(
aElementsToBeVerified, rInfo, mode);
}
if (eMode == DocumentSignatureMode::Content)
{
if (aStreamHelper.nStorageFormat == embed::StorageFormats::OFOPXML)
rSigInfo.PartialDocumentSignature = true;
else
rSigInfo.PartialDocumentSignature
= !DocumentSignatureHelper::isOOo3_2_Signature(aSignInfos[n]);
}
}
return aInfos;
}
void DocumentDigitalSignatures::manageTrustedSources( )
{
// MT: i45295
// SecEnv is only needed to display certificate information from trusted sources.
// Macro Security also has some options where no security environment is needed, so raise dialog anyway.
// Later I should change the code so the Dialog creates the SecEnv on demand...
Reference< css::xml::crypto::XSecurityEnvironment > xSecEnv;
DocumentSignatureManager aSignatureManager(mxCtx, {});
if (aSignatureManager.init())
xSecEnv = aSignatureManager.getSecurityEnvironment();
MacroSecurity aDlg(Application::GetFrameWeld(mxParentWindow), xSecEnv);
aDlg.run();
}
void DocumentDigitalSignatures::showCertificate(
const Reference< css::security::XCertificate >& Certificate )
{
DocumentSignatureManager aSignatureManager(mxCtx, {});
bool bInit = aSignatureManager.init();
SAL_WARN_IF( !bInit, "xmlsecurity.comp", "Error initializing security context!" );
if ( bInit )
{
CertificateViewer aViewer(Application::GetFrameWeld(mxParentWindow), aSignatureManager.getSecurityEnvironment(), Certificate, false, nullptr);
aViewer.run();
}
}
sal_Bool DocumentDigitalSignatures::isAuthorTrusted(
const Reference< css::security::XCertificate >& Author )
{
OUString sSerialNum = xmlsecurity::bigIntegerToNumericString( Author->getSerialNumber() );
Sequence< SvtSecurityOptions::Certificate > aTrustedAuthors = SvtSecurityOptions().GetTrustedAuthors();
return std::any_of(aTrustedAuthors.begin(), aTrustedAuthors.end(),
[&Author, &sSerialNum](const SvtSecurityOptions::Certificate& rAuthor) {
return ( rAuthor[0] == Author->getIssuerName() )
&& ( rAuthor[1] == sSerialNum );
});
}
uno::Sequence<Reference<css::security::XCertificate>>
DocumentDigitalSignatures::chooseCertificatesImpl(std::map<OUString, OUString>& rProperties,
const UserAction eAction,
const CertificateKind certificateKind)
{
std::vector< Reference< css::xml::crypto::XXMLSecurityContext > > xSecContexts;
DocumentSignatureManager aSignatureManager(mxCtx, {});
if (aSignatureManager.init()) {
xSecContexts.push_back(aSignatureManager.getSecurityContext());
// Don't include OpenPGP if only X.509 certs are requested
if (certificateKind == CertificateKind_NONE || certificateKind == CertificateKind_OPENPGP)
xSecContexts.push_back(aSignatureManager.getGpgSecurityContext());
}
CertificateChooser aChooser(Application::GetFrameWeld(mxParentWindow), xSecContexts, eAction);
uno::Sequence< Reference< css::security::XCertificate > > xCerts(1);
xCerts[0] = Reference< css::security::XCertificate >(nullptr);
if (aChooser.run() != RET_OK)
return xCerts;
xCerts = aChooser.GetSelectedCertificates();
rProperties["Description"] = aChooser.GetDescription();
rProperties["Usage"] = aChooser.GetUsageText();
return xCerts;
}
Reference< css::security::XCertificate > DocumentDigitalSignatures::chooseCertificate(OUString& rDescription)
{
return chooseSigningCertificate( rDescription );
}
Reference< css::security::XCertificate > DocumentDigitalSignatures::chooseSigningCertificate(OUString& rDescription)
{
std::map<OUString, OUString> aProperties;
Reference< css::security::XCertificate > xCert = chooseCertificatesImpl( aProperties, UserAction::Sign )[0];
rDescription = aProperties["Description"];
return xCert;
}
Reference< css::security::XCertificate > DocumentDigitalSignatures::selectSigningCertificate(OUString& rDescription)
{
std::map<OUString, OUString> aProperties;
Reference< css::security::XCertificate > xCert = chooseCertificatesImpl( aProperties, UserAction::SelectSign )[0];
rDescription = aProperties["Description"];
return xCert;
}
Reference<css::security::XCertificate>
DocumentDigitalSignatures::selectSigningCertificateWithType(const CertificateKind certificateKind,
OUString& rDescription)
{
std::map<OUString, OUString> aProperties;
Reference<css::security::XCertificate> xCert
= chooseCertificatesImpl(aProperties, UserAction::SelectSign, certificateKind)[0];
rDescription = aProperties["Description"];
return xCert;
}
css::uno::Sequence< Reference< css::security::XCertificate > > DocumentDigitalSignatures::chooseEncryptionCertificate()
{
std::map<OUString, OUString> aProperties;
uno::Sequence< Reference< css::security::XCertificate > > aCerts=
chooseCertificatesImpl( aProperties, UserAction::Encrypt );
if (aCerts.getLength() == 1 && !aCerts[0].is())
// our error case contract is: empty sequence, so map that!
return uno::Sequence< Reference< css::security::XCertificate > >();
else
return aCerts;
}
css::uno::Reference< css::security::XCertificate > DocumentDigitalSignatures::chooseCertificateWithProps(Sequence<::com::sun::star::beans::PropertyValue>& rProperties)
{
std::map<OUString, OUString> aProperties;
auto xCert = chooseCertificatesImpl( aProperties, UserAction::Sign )[0];
std::vector<css::beans::PropertyValue> vec;
vec.reserve(aProperties.size());
for (const auto& pair : aProperties)
{
vec.emplace_back(comphelper::makePropertyValue(pair.first, pair.second));<--- Consider using std::transform algorithm instead of a raw loop.
}
rProperties = comphelper::containerToSequence(vec);
return xCert;
}
sal_Bool DocumentDigitalSignatures::isLocationTrusted( const OUString& Location )
{
return SvtSecurityOptions().isTrustedLocationUri(Location);
}
void DocumentDigitalSignatures::addAuthorToTrustedSources(
const Reference< css::security::XCertificate >& Author )
{
SvtSecurityOptions aSecOpts;
SvtSecurityOptions::Certificate aNewCert( 3 );
aNewCert[ 0 ] = Author->getIssuerName();
aNewCert[ 1 ] = xmlsecurity::bigIntegerToNumericString( Author->getSerialNumber() );
OUStringBuffer aStrBuffer;
::comphelper::Base64::encode(aStrBuffer, Author->getEncoded());
aNewCert[ 2 ] = aStrBuffer.makeStringAndClear();
Sequence< SvtSecurityOptions::Certificate > aTrustedAuthors = aSecOpts.GetTrustedAuthors();
sal_Int32 nCnt = aTrustedAuthors.getLength();
aTrustedAuthors.realloc( nCnt + 1 );
aTrustedAuthors[ nCnt ] = aNewCert;
aSecOpts.SetTrustedAuthors( aTrustedAuthors );
}
void DocumentDigitalSignatures::addLocationToTrustedSources( const OUString& Location )
{
SvtSecurityOptions aSecOpt;
Sequence< OUString > aSecURLs = aSecOpt.GetSecureURLs();
sal_Int32 nCnt = aSecURLs.getLength();
aSecURLs.realloc( nCnt + 1 );
aSecURLs[ nCnt ] = Location;
aSecOpt.SetSecureURLs( aSecURLs );
}
sal_Bool DocumentDigitalSignatures::signDocumentWithCertificate(
css::uno::Reference<css::security::XCertificate> const & xCertificate,
css::uno::Reference<css::embed::XStorage> const & xStorage,
css::uno::Reference<css::io::XStream> const & xStream)
{
return signWithCertificateImpl(xCertificate, xStorage, xStream, DocumentSignatureMode::Content);
}
sal_Bool DocumentDigitalSignatures::signPackageWithCertificate(
css::uno::Reference<css::security::XCertificate> const& xCertificate,
css::uno::Reference<css::embed::XStorage> const& xStorage,
css::uno::Reference<css::io::XStream> const& xStream)
{
return signWithCertificateImpl(xCertificate, xStorage, xStream, DocumentSignatureMode::Package);
}
sal_Bool DocumentDigitalSignatures::signScriptingContentWithCertificate(
css::uno::Reference<css::security::XCertificate> const& xCertificate,
css::uno::Reference<css::embed::XStorage> const& xStorage,
css::uno::Reference<css::io::XStream> const& xStream)
{
return signWithCertificateImpl(xCertificate, xStorage, xStream, DocumentSignatureMode::Macros);
}
bool DocumentDigitalSignatures::signWithCertificateImpl(
css::uno::Reference<css::security::XCertificate> const& xCertificate,
css::uno::Reference<css::embed::XStorage> const& xStorage,
css::uno::Reference<css::io::XStream> const& xStream,
DocumentSignatureMode eMode)
{
OSL_ENSURE(!m_sODFVersion.isEmpty(),
"DocumentDigitalSignatures: ODF Version not set, assuming minimum 1.2");
DocumentSignatureManager aSignatureManager(mxCtx, eMode);
if (!aSignatureManager.init())
return false;
aSignatureManager.setStore(xStorage);
aSignatureManager.getSignatureHelper().SetStorage(xStorage, m_sODFVersion);
aSignatureManager.setSignatureStream(xStream);
Reference<XXMLSecurityContext> xSecurityContext = aSignatureManager.getSecurityContext();
sal_Int32 nSecurityId;
bool bSuccess = aSignatureManager.add(xCertificate, xSecurityContext, "", nSecurityId, true);
if (!bSuccess)
return false;
aSignatureManager.read(/*bUseTempStream=*/true, /*bCacheLastSignature=*/false);
aSignatureManager.write(true);
if (xStorage.is() && !xStream.is())
{
uno::Reference<embed::XTransactedObject> xTransaction(xStorage, uno::UNO_QUERY);
xTransaction->commit();
}
return true;
}
extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface*
com_sun_star_security_DocumentDigitalSignatures_get_implementation(<--- The function 'com_sun_star_security_DocumentDigitalSignatures_get_implementation' is never used.
uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/)
{
return cppu::acquire(
new DocumentDigitalSignatures(uno::Reference<uno::XComponentContext>(pCtx)));
}
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