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Diffstat (limited to 'xmlsecurity/source/helper/xsecparser.cxx')
| -rw-r--r-- | xmlsecurity/source/helper/xsecparser.cxx | 1632 |
1 files changed, 1632 insertions, 0 deletions
diff --git a/xmlsecurity/source/helper/xsecparser.cxx b/xmlsecurity/source/helper/xsecparser.cxx new file mode 100644 index 0000000000..af3562f46c --- /dev/null +++ b/xmlsecurity/source/helper/xsecparser.cxx @@ -0,0 +1,1632 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */ +/* + * 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 "xsecparser.hxx" +#include <xsecctl.hxx> +#include <xmlsignaturehelper.hxx> + +#include <xmloff/xmlnamespace.hxx> +#include <xmloff/xmltkmap.hxx> +#include <xmloff/xmlimp.hxx> + +#include <com/sun/star/xml/sax/SAXException.hpp> +#include <cppuhelper/exc_hlp.hxx> +#include <sal/log.hxx> + +class XSecParser::Context +{ + protected: + friend class XSecParser; + XSecParser & m_rParser; + private: + std::optional<SvXMLNamespaceMap> m_pOldNamespaceMap; + + public: + Context(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : m_rParser(rParser) + , m_pOldNamespaceMap(std::move(pOldNamespaceMap)) + { + } + + virtual ~Context() = default; + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& /*xAttrs*/) + { + } + + virtual void EndElement() + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const /*nNamespace*/, OUString const& /*rName*/); + + virtual void Characters(OUString const& /*rChars*/) + { + } +}; + +// it's possible that an unsupported element has an Id attribute and a +// ds:Reference digesting it - probably this means XSecController needs to know +// about it. (For known elements, the Id attribute is only processed according +// to the schema.) +class XSecParser::UnknownContext + : public XSecParser::Context +{ + public: + UnknownContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } +}; + +auto XSecParser::Context::CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const /*nNamespace*/, OUString const& /*rName*/) +-> std::unique_ptr<Context> +{ + // default: create new base context + return std::make_unique<UnknownContext>(m_rParser, std::move(pOldNamespaceMap)); +} + +/** +note: anything in ds:Object should be trusted *only* if there is a ds:Reference + to it so it is signed (exception: the xades:EncapsulatedX509Certificate). + ds:SignedInfo precedes all ds:Object. + + There may be multiple ds:Signature for purpose of counter-signatures + but the way XAdES describes these, only the ds:SignatureValue element + would be referenced, so requiring a ds:Reference for anything in + ds:Object shouldn't cause issues. + */ +class XSecParser::ReferencedContextImpl + : public XSecParser::Context +{ + protected: + bool m_isReferenced; + + public: + ReferencedContextImpl(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_isReferenced(isReferenced) + { + } + + OUString CheckIdAttrReferenced(css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) + { + OUString const id(m_rParser.HandleIdAttr(xAttrs)); + if (!id.isEmpty() && m_rParser.m_pXSecController->haveReferenceForId(id)) + { + m_isReferenced = true; + } + return id; + } +}; + +class XSecParser::LoPGPOwnerContext + : public XSecParser::Context +{ + private: + OUString m_Value; + + public: + LoPGPOwnerContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->setGpgOwner(m_Value); + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::DsPGPKeyPacketContext + : public XSecParser::Context +{ + private: + OUString m_Value; + + public: + DsPGPKeyPacketContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->setGpgCertificate(m_Value); + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::DsPGPKeyIDContext + : public XSecParser::Context +{ + private: + OUString m_Value; + + public: + DsPGPKeyIDContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->setGpgKeyID(m_Value); + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::DsPGPDataContext + : public XSecParser::Context +{ + public: + DsPGPDataContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& /*xAttrs*/) override + { + m_rParser.m_pXSecController->switchGpgSignature(); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "PGPKeyID") + { + return std::make_unique<DsPGPKeyIDContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "PGPKeyPacket") + { + return std::make_unique<DsPGPKeyPacketContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_LO_EXT && rName == "PGPOwner") + { + return std::make_unique<LoPGPOwnerContext>(m_rParser, std::move(pOldNamespaceMap)); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsX509CertificateContext + : public XSecParser::Context +{ + private: + OUString & m_rValue; + + public: + DsX509CertificateContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rValue) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rValue(rValue) + { + } + + virtual void Characters(OUString const& rChars) override + { + m_rValue += rChars; + } +}; + +class XSecParser::DsX509SerialNumberContext + : public XSecParser::Context +{ + private: + OUString & m_rValue; + + public: + DsX509SerialNumberContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rValue) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rValue(rValue) + { + } + + virtual void Characters(OUString const& rChars) override + { + m_rValue += rChars; + } +}; + +class XSecParser::DsX509IssuerNameContext + : public XSecParser::Context +{ + private: + OUString & m_rValue; + + public: + DsX509IssuerNameContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rValue) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rValue(rValue) + { + } + + virtual void Characters(OUString const& rChars) override + { + m_rValue += rChars; + } +}; + +class XSecParser::DsX509IssuerSerialContext + : public XSecParser::Context +{ + private: + OUString & m_rX509IssuerName; + OUString & m_rX509SerialNumber; + + public: + DsX509IssuerSerialContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rIssuerName, OUString& rSerialNumber) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rX509IssuerName(rIssuerName) + , m_rX509SerialNumber(rSerialNumber) + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "X509IssuerName") + { + return std::make_unique<DsX509IssuerNameContext>(m_rParser, std::move(pOldNamespaceMap), m_rX509IssuerName); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "X509SerialNumber") + { + return std::make_unique<DsX509SerialNumberContext>(m_rParser, std::move(pOldNamespaceMap), m_rX509SerialNumber); + } + // missing: ds:X509SKI, ds:X509SubjectName, ds:X509CRL + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +/// can't be sure what is supposed to happen here because the spec is clear as mud +class XSecParser::DsX509DataContext + : public XSecParser::Context +{ + private: + // sigh... "No ordering is implied by the above constraints." + // so store the ball of mud in vectors and try to figure it out later. + std::vector<std::pair<OUString, OUString>> m_X509IssuerSerials; + std::vector<OUString> m_X509Certificates; + + public: + DsX509DataContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->setX509Data(m_X509IssuerSerials, m_X509Certificates); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "X509IssuerSerial") + { + m_X509IssuerSerials.emplace_back(); + return std::make_unique<DsX509IssuerSerialContext>(m_rParser, std::move(pOldNamespaceMap), m_X509IssuerSerials.back().first, m_X509IssuerSerials.back().second); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "X509Certificate") + { + m_X509Certificates.emplace_back(); + return std::make_unique<DsX509CertificateContext>(m_rParser, std::move(pOldNamespaceMap), m_X509Certificates.back()); + } + // missing: ds:X509SKI, ds:X509SubjectName, ds:X509CRL + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsKeyInfoContext + : public XSecParser::Context +{ + public: + DsKeyInfoContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "X509Data") + { + return std::make_unique<DsX509DataContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "PGPData") + { + return std::make_unique<DsPGPDataContext>(m_rParser, std::move(pOldNamespaceMap)); + } + // missing: ds:KeyName, ds:KeyValue, ds:RetrievalMethod, ds:SPKIData, ds:MgmtData + // (old code would read ds:Transform inside ds:RetrievalMethod but + // presumably that was a bug) + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } + +}; + +class XSecParser::DsSignatureValueContext + : public XSecParser::Context +{ + private: + OUString m_Value; + + public: + DsSignatureValueContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->setSignatureValue(m_Value); + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::DsDigestValueContext + : public XSecParser::Context +{ + private: + OUString & m_rValue; + + public: + DsDigestValueContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rValue) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rValue(rValue) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& /*xAttrs*/) override + { + m_rValue.clear(); + } + + virtual void Characters(OUString const& rChars) override + { + m_rValue += rChars; + } +}; + +class XSecParser::DsDigestMethodContext + : public XSecParser::Context +{ + private: + sal_Int32 & m_rReferenceDigestID; + + public: + DsDigestMethodContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_Int32& rReferenceDigestID) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rReferenceDigestID(rReferenceDigestID) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + OUString ouAlgorithm = xAttrs->getValueByName("Algorithm"); + + SAL_WARN_IF( ouAlgorithm.isEmpty(), "xmlsecurity.helper", "no Algorithm in Reference" ); + if (ouAlgorithm.isEmpty()) + return; + + SAL_WARN_IF( ouAlgorithm != ALGO_XMLDSIGSHA1 + && ouAlgorithm != ALGO_XMLDSIGSHA256 + && ouAlgorithm != ALGO_XMLDSIGSHA512, + "xmlsecurity.helper", "Algorithm neither SHA1, SHA256 nor SHA512"); + if (ouAlgorithm == ALGO_XMLDSIGSHA1) + m_rReferenceDigestID = css::xml::crypto::DigestID::SHA1; + else if (ouAlgorithm == ALGO_XMLDSIGSHA256) + m_rReferenceDigestID = css::xml::crypto::DigestID::SHA256; + else if (ouAlgorithm == ALGO_XMLDSIGSHA512) + m_rReferenceDigestID = css::xml::crypto::DigestID::SHA512; + else + m_rReferenceDigestID = 0; + } +}; + +class XSecParser::DsTransformContext + : public XSecParser::Context +{ + private: + bool & m_rIsC14N; + + public: + DsTransformContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool& rIsC14N) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rIsC14N(rIsC14N) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + OUString ouAlgorithm = xAttrs->getValueByName("Algorithm"); + + if (ouAlgorithm == ALGO_C14N) + /* + * a xml stream + */ + { + m_rIsC14N = true; + } + } +}; + +class XSecParser::DsTransformsContext + : public XSecParser::Context +{ + private: + bool & m_rIsC14N; + + public: + DsTransformsContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool& rIsC14N) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rIsC14N(rIsC14N) + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "Transform") + { + return std::make_unique<DsTransformContext>(m_rParser, std::move(pOldNamespaceMap), m_rIsC14N); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsReferenceContext + : public XSecParser::Context +{ + private: + OUString m_URI; + OUString m_Type; + OUString m_DigestValue; + bool m_IsC14N = false; + // Relevant for ODF. The digest algorithm selected by the DigestMethod + // element's Algorithm attribute. @see css::xml::crypto::DigestID. + sal_Int32 m_nReferenceDigestID = css::xml::crypto::DigestID::SHA1; + + public: + DsReferenceContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + + m_URI = xAttrs->getValueByName("URI"); + SAL_WARN_IF(m_URI.isEmpty(), "xmlsecurity.helper", "URI is empty"); + // Remember the type of this reference. + m_Type = xAttrs->getValueByName("Type"); + } + + virtual void EndElement() override + { + if (m_URI.startsWith("#")) + { + /* + * remove the first character '#' from the attribute value + */ + m_rParser.m_pXSecController->addReference(m_URI.copy(1), m_nReferenceDigestID, m_Type); + } + else + { + if (m_IsC14N) // this is determined by nested ds:Transform + { + m_rParser.m_pXSecController->addStreamReference(m_URI, false, m_nReferenceDigestID); + } + else + /* + * it must be an octet stream + */ + { + m_rParser.m_pXSecController->addStreamReference(m_URI, true, m_nReferenceDigestID); + } + } + + m_rParser.m_pXSecController->setDigestValue(m_nReferenceDigestID, m_DigestValue); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "Transforms") + { + return std::make_unique<DsTransformsContext>(m_rParser, std::move(pOldNamespaceMap), m_IsC14N); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "DigestMethod") + { + return std::make_unique<DsDigestMethodContext>(m_rParser, std::move(pOldNamespaceMap), m_nReferenceDigestID); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "DigestValue") + { + return std::make_unique<DsDigestValueContext>(m_rParser, std::move(pOldNamespaceMap), m_DigestValue); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsSignatureMethodContext + : public XSecParser::Context +{ + public: + DsSignatureMethodContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + OUString ouAlgorithm = xAttrs->getValueByName("Algorithm"); + if (ouAlgorithm == ALGO_ECDSASHA1 || ouAlgorithm == ALGO_ECDSASHA256 + || ouAlgorithm == ALGO_ECDSASHA512) + { + m_rParser.m_pXSecController->setSignatureMethod(svl::crypto::SignatureMethodAlgorithm::ECDSA); + } + } +}; + +class XSecParser::DsSignedInfoContext + : public XSecParser::Context +{ + public: + DsSignedInfoContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->setReferenceCount(); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "SignatureMethod") + { + return std::make_unique<DsSignatureMethodContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "Reference") + { + return std::make_unique<DsReferenceContext>(m_rParser, std::move(pOldNamespaceMap)); + } + // missing: ds:CanonicalizationMethod + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesEncapsulatedX509CertificateContext + : public XSecParser::Context +{ + private: + OUString m_Value; + + public: + XadesEncapsulatedX509CertificateContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual void EndElement() override + { + m_rParser.m_pXSecController->addEncapsulatedX509Certificate(m_Value); + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::XadesCertificateValuesContext + : public XSecParser::Context +{ + public: + XadesCertificateValuesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "EncapsulatedX509Certificate") + { + return std::make_unique<XadesEncapsulatedX509CertificateContext>(m_rParser, std::move(pOldNamespaceMap)); + } + // missing: xades:OtherCertificate + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesUnsignedSignaturePropertiesContext + : public XSecParser::Context +{ + public: + XadesUnsignedSignaturePropertiesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "CertificateValues") + { + return std::make_unique<XadesCertificateValuesContext>(m_rParser, std::move(pOldNamespaceMap)); + } + // missing: + // xades:CounterSignature + // ^ old code would read a ds:Signature inside it? + // xades:SignatureTimeStamp + // xades:CompleteCertificateRefs + // xades:CompleteRevocationRefs + // xades:AttributeCertificateRefs + // xades:AttributeRevocationRefs + // xades:SigAndRefsTimeStamp + // xades:RefsOnlyTimeStamp + // xades:RevocationValues + // xades:AttrAuthoritiesCertValues + // ^ old code: was equivalent to CertificateValues ??? + // xades:AttributeRevocationValues + // xades:ArchiveTimeStamp + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesUnsignedPropertiesContext + : public XSecParser::Context +{ + public: + XadesUnsignedPropertiesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_rParser.HandleIdAttr(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "UnsignedSignatureProperties") + { + return std::make_unique<XadesUnsignedSignaturePropertiesContext>(m_rParser, std::move(pOldNamespaceMap)); + } + // missing: xades:UnsignedDataObjectProperties + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::LoSignatureLineIdContext + : public XSecParser::ReferencedContextImpl +{ + private: + OUString m_Value; + + public: + LoSignatureLineIdContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void EndElement() override + { + if (m_isReferenced) + { + m_rParser.m_pXSecController->setSignatureLineId(m_Value); + } + else + { + SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureLineId"); + } + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::LoSignatureLineValidImageContext + : public XSecParser::ReferencedContextImpl +{ + private: + OUString m_Value; + + public: + LoSignatureLineValidImageContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void EndElement() override + { + if (m_isReferenced) + { + m_rParser.m_pXSecController->setValidSignatureImage(m_Value); + } + else + { + SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureLineValidImage"); + } + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::LoSignatureLineInvalidImageContext + : public XSecParser::ReferencedContextImpl +{ + private: + OUString m_Value; + + public: + LoSignatureLineInvalidImageContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void EndElement() override + { + if (m_isReferenced) + { + m_rParser.m_pXSecController->setInvalidSignatureImage(m_Value); + } + else + { + SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureLineInvalidImage"); + } + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::LoSignatureLineContext + : public XSecParser::ReferencedContextImpl +{ + public: + LoSignatureLineContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_LO_EXT && rName == "SignatureLineId") + { + return std::make_unique<LoSignatureLineIdContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + if (nNamespace == XML_NAMESPACE_LO_EXT && rName == "SignatureLineValidImage") + { + return std::make_unique<LoSignatureLineValidImageContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + if (nNamespace == XML_NAMESPACE_LO_EXT && rName == "SignatureLineInvalidImage") + { + return std::make_unique<LoSignatureLineInvalidImageContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesCertDigestContext + : public XSecParser::Context +{ + private: + OUString & m_rDigestValue; + sal_Int32 & m_rReferenceDigestID; + + public: + XadesCertDigestContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rDigestValue, sal_Int32& rReferenceDigestID) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rDigestValue(rDigestValue) + , m_rReferenceDigestID(rReferenceDigestID) + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "DigestMethod") + { + return std::make_unique<DsDigestMethodContext>(m_rParser, std::move(pOldNamespaceMap), m_rReferenceDigestID); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "DigestValue") + { + return std::make_unique<DsDigestValueContext>(m_rParser, std::move(pOldNamespaceMap), m_rDigestValue); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesCertContext + : public XSecParser::ReferencedContextImpl +{ + private: + sal_Int32 m_nReferenceDigestID = css::xml::crypto::DigestID::SHA1; + OUString m_CertDigest; + OUString m_X509IssuerName; + OUString m_X509SerialNumber; + + public: + XadesCertContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void EndElement() override + { + if (m_isReferenced) + { + m_rParser.m_pXSecController->setX509CertDigest(m_CertDigest, m_nReferenceDigestID, m_X509IssuerName, m_X509SerialNumber); + } + else + { + SAL_INFO("xmlsecurity.helper", "ignoring unsigned xades:Cert"); + } + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "CertDigest") + { + return std::make_unique<XadesCertDigestContext>(m_rParser, std::move(pOldNamespaceMap), m_CertDigest, m_nReferenceDigestID); + } + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "IssuerSerial") + { + return std::make_unique<DsX509IssuerSerialContext>(m_rParser, std::move(pOldNamespaceMap), m_X509IssuerName, m_X509SerialNumber); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesSigningCertificateContext + : public XSecParser::ReferencedContextImpl +{ + public: + XadesSigningCertificateContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "Cert") + { + return std::make_unique<XadesCertContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesSigningTimeContext + : public XSecParser::ReferencedContextImpl +{ + private: + OUString m_Value; + + public: + XadesSigningTimeContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void EndElement() override + { + if (m_isReferenced) + { + m_rParser.m_pXSecController->setDate("", m_Value); + } + else + { + SAL_INFO("xmlsecurity.helper", "ignoring unsigned SigningTime"); + } + } + + virtual void Characters(OUString const& rChars) override + { + m_Value += rChars; + } +}; + +class XSecParser::XadesSignedSignaturePropertiesContext + : public XSecParser::ReferencedContextImpl +{ + public: + XadesSignedSignaturePropertiesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + CheckIdAttrReferenced(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "SigningTime") + { + return std::make_unique<XadesSigningTimeContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "SigningCertificate") + { + return std::make_unique<XadesSigningCertificateContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + if (nNamespace == XML_NAMESPACE_LO_EXT && rName == "SignatureLine") + { + return std::make_unique<LoSignatureLineContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + // missing: xades:SignaturePolicyIdentifier, xades:SignatureProductionPlace, xades:SignerRole + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesSignedPropertiesContext + : public XSecParser::ReferencedContextImpl +{ + public: + XadesSignedPropertiesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + CheckIdAttrReferenced(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "SignedSignatureProperties") + { + return std::make_unique<XadesSignedSignaturePropertiesContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + // missing: xades:SignedDataObjectProperties + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::XadesQualifyingPropertiesContext + : public XSecParser::ReferencedContextImpl +{ + public: + XadesQualifyingPropertiesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + CheckIdAttrReferenced(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "SignedProperties") + { + return std::make_unique<XadesSignedPropertiesContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "UnsignedProperties") + { + return std::make_unique<XadesUnsignedPropertiesContext>(m_rParser, std::move(pOldNamespaceMap)); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DcDateContext + : public XSecParser::Context +{ + private: + OUString & m_rValue; + + public: + DcDateContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rValue) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rValue(rValue) + { + } + + virtual void Characters(OUString const& rChars) override + { + m_rValue += rChars; + } +}; + +class XSecParser::DcDescriptionContext + : public XSecParser::Context +{ + private: + OUString & m_rValue; + + public: + DcDescriptionContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + OUString& rValue) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + , m_rValue(rValue) + { + } + + virtual void Characters(OUString const& rChars) override + { + m_rValue += rChars; + } +}; + +class XSecParser::DsSignaturePropertyContext + : public XSecParser::ReferencedContextImpl +{ + private: + enum class SignatureProperty { Unknown, Date, Description }; + SignatureProperty m_Property = SignatureProperty::Unknown; + OUString m_Id; + OUString m_Value; + + public: + DsSignaturePropertyContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + m_Id = CheckIdAttrReferenced(xAttrs); + } + + virtual void EndElement() override + { + if (m_isReferenced) + { + switch (m_Property) + { + case SignatureProperty::Unknown: + SAL_INFO("xmlsecurity.helper", "Unknown property in ds:Object ignored"); + break; + case SignatureProperty::Date: + m_rParser.m_pXSecController->setDate(m_Id, m_Value); + break; + case SignatureProperty::Description: + m_rParser.m_pXSecController->setDescription(m_Id, m_Value); + break; + } + } + else + { + SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureProperty"); + } + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DC && rName == "date") + { + m_Property = SignatureProperty::Date; + return std::make_unique<DcDateContext>(m_rParser, std::move(pOldNamespaceMap), m_Value); + } + if (nNamespace == XML_NAMESPACE_DC && rName == "description") + { + m_Property = SignatureProperty::Description; + return std::make_unique<DcDescriptionContext>(m_rParser, std::move(pOldNamespaceMap), m_Value); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsSignaturePropertiesContext + : public XSecParser::ReferencedContextImpl +{ + public: + DsSignaturePropertiesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + bool const isReferenced) + : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + CheckIdAttrReferenced(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "SignatureProperty") + { + return std::make_unique<DsSignaturePropertyContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsObjectContext + : public XSecParser::ReferencedContextImpl +{ + public: + DsObjectContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + // init with "false" here - the Signature element can't be referenced by its child + : XSecParser::ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), false) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + CheckIdAttrReferenced(xAttrs); + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "SignatureProperties") + { + return std::make_unique<DsSignaturePropertiesContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + if (nNamespace == XML_NAMESPACE_XADES132 && rName == "QualifyingProperties") + { + return std::make_unique<XadesQualifyingPropertiesContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced); + } + // missing: ds:Manifest + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsSignatureContext + : public XSecParser::Context +{ + public: + DsSignatureContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual void StartElement( + css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override + { + OUString const ouIdAttr(m_rParser.HandleIdAttr(xAttrs)); + m_rParser.m_rXMLSignatureHelper.StartVerifySignatureElement(); + m_rParser.m_pXSecController->addSignature(); + if (!ouIdAttr.isEmpty()) + { + m_rParser.m_pXSecController->setId( ouIdAttr ); + } + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "SignedInfo") + { + return std::make_unique<DsSignedInfoContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "SignatureValue") + { + return std::make_unique<DsSignatureValueContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "KeyInfo") + { + return std::make_unique<DsKeyInfoContext>(m_rParser, std::move(pOldNamespaceMap)); + } + if (nNamespace == XML_NAMESPACE_DS && rName == "Object") + { + return std::make_unique<DsObjectContext>(m_rParser, std::move(pOldNamespaceMap)); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + +class XSecParser::DsigSignaturesContext + : public XSecParser::Context +{ + public: + DsigSignaturesContext(XSecParser& rParser, + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap) + : XSecParser::Context(rParser, std::move(pOldNamespaceMap)) + { + } + + virtual std::unique_ptr<Context> CreateChildContext( + std::optional<SvXMLNamespaceMap>&& pOldNamespaceMap, + sal_uInt16 const nNamespace, OUString const& rName) override + { + if (nNamespace == XML_NAMESPACE_DS && rName == "Signature") + { + return std::make_unique<DsSignatureContext>(m_rParser, std::move(pOldNamespaceMap)); + } + return XSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName); + } +}; + + +XSecParser::XSecParser(XMLSignatureHelper& rXMLSignatureHelper, + XSecController* pXSecController) + : m_pNamespaceMap(SvXMLNamespaceMap()) + , m_pXSecController(pXSecController) + , m_rXMLSignatureHelper(rXMLSignatureHelper) +{ + using namespace xmloff::token; + m_pNamespaceMap->Add( GetXMLToken(XML_XML), GetXMLToken(XML_N_XML), XML_NAMESPACE_XML ); + m_pNamespaceMap->Add( "_dsig_ooo", GetXMLToken(XML_N_DSIG_OOO), XML_NAMESPACE_DSIG_OOO ); + m_pNamespaceMap->Add( "_dsig", GetXMLToken(XML_N_DSIG), XML_NAMESPACE_DSIG ); + m_pNamespaceMap->Add( "_ds", GetXMLToken(XML_N_DS), XML_NAMESPACE_DS ); + m_pNamespaceMap->Add( "_xades132", GetXMLToken(XML_N_XADES132), XML_NAMESPACE_XADES132); + m_pNamespaceMap->Add( "_xades141", GetXMLToken(XML_N_XADES141), XML_NAMESPACE_XADES141); + m_pNamespaceMap->Add( "_dc", GetXMLToken(XML_N_DC), XML_NAMESPACE_DC ); + m_pNamespaceMap->Add( "_office_libo", + GetXMLToken(XML_N_LO_EXT), XML_NAMESPACE_LO_EXT); +} + +OUString XSecParser::HandleIdAttr(css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) +{ + OUString ouIdAttr = getIdAttr(xAttrs); + if (!ouIdAttr.isEmpty()) + { + m_pXSecController->collectToVerify( ouIdAttr ); + } + return ouIdAttr; +} + +OUString XSecParser::getIdAttr(const css::uno::Reference< css::xml::sax::XAttributeList >& xAttribs ) +{ + OUString ouIdAttr = xAttribs->getValueByName("id"); + + if (ouIdAttr.isEmpty()) + { + ouIdAttr = xAttribs->getValueByName("Id"); + } + + return ouIdAttr; +} + +/* + * XDocumentHandler + */ +void SAL_CALL XSecParser::startDocument( ) +{ + if (m_xNextHandler.is()) + { + m_xNextHandler->startDocument(); + } +} + +void SAL_CALL XSecParser::endDocument( ) +{ + if (m_xNextHandler.is()) + { + m_xNextHandler->endDocument(); + } +} + +void SAL_CALL XSecParser::startElement( + const OUString& rName, + const css::uno::Reference< css::xml::sax::XAttributeList >& xAttribs ) +{ + assert(m_pNamespaceMap); + std::optional<SvXMLNamespaceMap> pRewindMap( + SvXMLImport::processNSAttributes(m_pNamespaceMap, nullptr, xAttribs)); + + OUString localName; + sal_uInt16 const nPrefix(m_pNamespaceMap->GetKeyByAttrName(rName, &localName)); + + std::unique_ptr<Context> pContext; + + if (m_ContextStack.empty()) + { + if ((nPrefix != XML_NAMESPACE_DSIG && nPrefix != XML_NAMESPACE_DSIG_OOO) + || localName != "document-signatures") + { + throw css::xml::sax::SAXException( + "xmlsecurity: unexpected root element", nullptr, + css::uno::Any()); + } + + pContext.reset(new DsigSignaturesContext(*this, std::move(pRewindMap))); + + } + else + { + pContext = m_ContextStack.top()->CreateChildContext( + std::move(pRewindMap), nPrefix, localName); + } + + m_ContextStack.push(std::move(pContext)); + + try + { + m_ContextStack.top()->StartElement(xAttribs); + + if (m_xNextHandler.is()) + { + m_xNextHandler->startElement(rName, xAttribs); + } + } + catch (css::uno::Exception& ) + {//getCaughtException MUST be the first line in the catch block + css::uno::Any exc = cppu::getCaughtException(); + throw css::xml::sax::SAXException( + "xmlsecurity: Exception in XSecParser::startElement", + nullptr, exc); + } + catch (...) + { + throw css::xml::sax::SAXException( + "xmlsecurity: unexpected exception in XSecParser::startElement", nullptr, + css::uno::Any()); + } +} + +void SAL_CALL XSecParser::endElement(const OUString& rName) +{ + assert(!m_ContextStack.empty()); // this should be checked by sax parser? + + try + { + m_ContextStack.top()->EndElement(); + + if (m_xNextHandler.is()) + { + m_xNextHandler->endElement(rName); + } + } + catch (css::uno::Exception& ) + {//getCaughtException MUST be the first line in the catch block + css::uno::Any exc = cppu::getCaughtException(); + throw css::xml::sax::SAXException( + "xmlsecurity: Exception in XSecParser::endElement", + nullptr, exc); + } + catch (...) + { + throw css::xml::sax::SAXException( + "xmlsecurity: unexpected exception in XSecParser::endElement", nullptr, + css::uno::Any()); + } + + if (m_ContextStack.top()->m_pOldNamespaceMap) + { + m_pNamespaceMap = std::move(m_ContextStack.top()->m_pOldNamespaceMap); + } + m_ContextStack.pop(); +} + +void SAL_CALL XSecParser::characters(const OUString& rChars) +{ + assert(!m_ContextStack.empty()); // this should be checked by sax parser? + m_ContextStack.top()->Characters(rChars); + + if (m_xNextHandler.is()) + { + m_xNextHandler->characters(rChars); + } +} + +void SAL_CALL XSecParser::ignorableWhitespace( const OUString& aWhitespaces ) +{ + if (m_xNextHandler.is()) + { + m_xNextHandler->ignorableWhitespace( aWhitespaces ); + } +} + +void SAL_CALL XSecParser::processingInstruction( const OUString& aTarget, const OUString& aData ) +{ + if (m_xNextHandler.is()) + { + m_xNextHandler->processingInstruction(aTarget, aData); + } +} + +void SAL_CALL XSecParser::setDocumentLocator( const css::uno::Reference< css::xml::sax::XLocator >& xLocator ) +{ + if (m_xNextHandler.is()) + { + m_xNextHandler->setDocumentLocator( xLocator ); + } +} + +/* + * XInitialization + */ +void SAL_CALL XSecParser::initialize( + const css::uno::Sequence< css::uno::Any >& aArguments ) +{ + aArguments[0] >>= m_xNextHandler; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |