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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 "SecurityEnvironment.hxx"
#include "CertificateImpl.hxx"
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/servicehelper.hxx>
#include <list>
#include <key.h>
#include <keylistresult.h>
#include "xmlsec-wrapper.h"
using namespace css;
using namespace css::security;
using namespace css::uno;
using namespace css::lang;
SecurityEnvironmentGpg::SecurityEnvironmentGpg()
{
GpgME::Error err = GpgME::checkEngine(GpgME::OpenPGP);
if (err)
throw RuntimeException("The GpgME library failed to initialize for the OpenPGP protocol.");
m_ctx.reset( GpgME::Context::createForProtocol(GpgME::OpenPGP) );
if (m_ctx == nullptr)
throw RuntimeException("The GpgME library failed to initialize for the OpenPGP protocol.");
m_ctx->setArmor(false);
}
SecurityEnvironmentGpg::~SecurityEnvironmentGpg()
{
}
/* XUnoTunnel */
sal_Int64 SAL_CALL SecurityEnvironmentGpg::getSomething( const Sequence< sal_Int8 >& aIdentifier )
{
if( aIdentifier.getLength() == 16 && 0 == memcmp( getUnoTunnelId().getConstArray(), aIdentifier.getConstArray(), 16 ) ) {
return sal::static_int_cast<sal_Int64>(reinterpret_cast<sal_uIntPtr>(this));
}
return 0 ;
}
/* XUnoTunnel extension */
namespace
{
class theSecurityEnvironmentUnoTunnelId : public rtl::Static< UnoTunnelIdInit, theSecurityEnvironmentUnoTunnelId > {};
}
const Sequence< sal_Int8>& SecurityEnvironmentGpg::getUnoTunnelId() {
return theSecurityEnvironmentUnoTunnelId::get().getSeq();
}
OUString SecurityEnvironmentGpg::getSecurityEnvironmentInformation()
{
return OUString();
}
Sequence< Reference < XCertificate > > SecurityEnvironmentGpg::getCertificatesImpl( bool bPrivateOnly )
{
CertificateImpl* xCert;
std::list< GpgME::Key > keyList;
std::list< CertificateImpl* > certsList;
m_ctx->setKeyListMode(GPGME_KEYLIST_MODE_LOCAL);
GpgME::Error err = m_ctx->startKeyListing("", bPrivateOnly );
while (!err) {
GpgME::Key k = m_ctx->nextKey(err);
if (err)
break;
if (!k.isRevoked() && !k.isExpired() && !k.isDisabled() && !k.isInvalid()) {
// We can't create CertificateImpl here as CertificateImpl::setCertificate uses GpgME API
// which interrupts our key listing here. So first get the keys from GpgME, then create the CertificateImpls
keyList.push_back(k);
}
}
m_ctx->endKeyListing();
for (auto const& key : keyList) {
xCert = new CertificateImpl();
xCert->setCertificate(m_ctx.get(),key);
certsList.push_back(xCert);
}
Sequence< Reference< XCertificate > > xCertificateSequence(certsList.size());
int i = 0;
for (auto const& cert : certsList) {
xCertificateSequence[i++] = cert;
}
return xCertificateSequence;
}
Sequence< Reference < XCertificate > > SecurityEnvironmentGpg::getPersonalCertificates()
{
return getCertificatesImpl( true );
}
Sequence< Reference < XCertificate > > SecurityEnvironmentGpg::getAllCertificates()
{
return getCertificatesImpl( false );
}
Reference< XCertificate > SecurityEnvironmentGpg::getCertificate( const OUString& keyId, const Sequence< sal_Int8 >& /*serialNumber*/ )
{
CertificateImpl* xCert=nullptr;
//xmlChar* pSignatureValue=xmlNodeGetContent(cur);
OString ostr = OUStringToOString( keyId , RTL_TEXTENCODING_UTF8 );
const xmlChar* strKeyId = reinterpret_cast<const xmlChar*>(ostr.getStr());
if(xmlSecBase64Decode(strKeyId, const_cast<xmlSecByte*>(strKeyId), xmlStrlen(strKeyId)) < 0)
throw RuntimeException("Base64 decode failed");
m_ctx->setKeyListMode(GPGME_KEYLIST_MODE_LOCAL);
GpgME::Error err = m_ctx->startKeyListing("", false);
while (!err) {
GpgME::Key k = m_ctx->nextKey(err);
if (err)
break;
if (!k.isInvalid() && strcmp(k.primaryFingerprint(), reinterpret_cast<const char*>(strKeyId)) == 0) {
xCert = new CertificateImpl();
xCert->setCertificate(m_ctx.get(), k);
m_ctx->endKeyListing();
return xCert;
}
}
m_ctx->endKeyListing();
return nullptr;
}
Sequence< Reference < XCertificate > > SecurityEnvironmentGpg::buildCertificatePath( const Reference< XCertificate >& /*begin*/ )
{
return Sequence< Reference < XCertificate > >();
}
Reference< XCertificate > SecurityEnvironmentGpg::createCertificateFromRaw( const Sequence< sal_Int8 >& /*rawCertificate*/ )
{
return nullptr;
}
Reference< XCertificate > SecurityEnvironmentGpg::createCertificateFromAscii( const OUString& /*asciiCertificate*/ )
{
return nullptr;
}
sal_Int32 SecurityEnvironmentGpg::verifyCertificate( const Reference< XCertificate >& aCert,
const Sequence< Reference< XCertificate > >& /*intermediateCerts*/ )
{
const CertificateImpl* xCert = dynamic_cast<CertificateImpl*>(aCert.get());
if (xCert == nullptr) {
// Can't find the key locally -> unknown owner
return security::CertificateValidity::ISSUER_UNKNOWN;
}
const GpgME::Key* key = xCert->getCertificate();
if (key->ownerTrust() == GpgME::Key::OwnerTrust::Marginal ||
key->ownerTrust() == GpgME::Key::OwnerTrust::Full ||
key->ownerTrust() == GpgME::Key::OwnerTrust::Ultimate)
{
return security::CertificateValidity::VALID;
}
return security::CertificateValidity::ISSUER_UNTRUSTED;
}
sal_Int32 SecurityEnvironmentGpg::getCertificateCharacters(
const Reference< XCertificate >& aCert)
{
const CertificateImpl* xCert;
Reference< XUnoTunnel > xCertTunnel(aCert, UNO_QUERY_THROW) ;
xCert = reinterpret_cast<CertificateImpl*>(sal::static_int_cast<sal_uIntPtr>(xCertTunnel->getSomething(CertificateImpl::getUnoTunnelId()))) ;
if (xCert == nullptr)
throw RuntimeException();
// we only listed private keys anyway, up in
// SecurityEnvironmentGpg::getPersonalCertificates
return CertificateCharacters::HAS_PRIVATE_KEY;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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