diff options
Diffstat (limited to 'xmlsecurity/source/component/documentdigitalsignatures.cxx')
| -rw-r--r-- | xmlsecurity/source/component/documentdigitalsignatures.cxx | 853 |
1 files changed, 853 insertions, 0 deletions
diff --git a/xmlsecurity/source/component/documentdigitalsignatures.cxx b/xmlsecurity/source/component/documentdigitalsignatures.cxx new file mode 100644 index 000000000..d149bf5e3 --- /dev/null +++ b/xmlsecurity/source/component/documentdigitalsignatures.cxx @@ -0,0 +1,853 @@ +/* -*- 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)); + } + + 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( + uno::XComponentContext* pCtx, uno::Sequence<uno::Any> const& /*rSeq*/) +{ + return cppu::acquire( + new DocumentDigitalSignatures(uno::Reference<uno::XComponentContext>(pCtx))); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |