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libreoffice/SOURCES/0006-xmlsecurity-replace-OOXMLSecParser-implementation.patch

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import libreoffice-6.4.7.2-10.el8
2022-03-29 14:07:21 +00:00
From 78f208c5aa615ccf6738d2a174564269e5f3e0ab Mon Sep 17 00:00:00 2001
From: Michael Stahl <michael.stahl@allotropia.de>
Date: Tue, 30 Mar 2021 17:37:31 +0200
Subject: [PATCH] xmlsecurity: replace OOXMLSecParser implementation
This is similar to 12b15be8f4f930a04d8056b9219ac969b42a9784 and following
commits, but OOXMLSecParser has some differences to XSecParser, such as
using a ds:Manifest, and requires a couple extra namespaces.
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113381
Tested-by: Jenkins
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
(cherry picked from commit cc1d19f7bbaefa5fb22ebd1344112755068b93c9)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113360
(cherry picked from commit 5e2c137c27310e76050f2247077b1311baee4381)
Change-Id: I56e39d9609db8fcad50ca1632ff482c1f0a30ff5
---
include/xmloff/xmlnmspe.hxx | 3 +
xmlsecurity/source/helper/ooxmlsecparser.cxx | 1473 +++++++++++++++---
xmlsecurity/source/helper/ooxmlsecparser.hxx | 78 +-
3 files changed, 1314 insertions(+), 240 deletions(-)
diff --git a/include/xmloff/xmlnmspe.hxx b/include/xmloff/xmlnmspe.hxx
index 302a134f92fe..bebb1d656b40 100644
--- a/include/xmloff/xmlnmspe.hxx
+++ b/include/xmloff/xmlnmspe.hxx
@@ -73,6 +73,9 @@ XML_NAMESPACE( XML_NAMESPACE_DSIG, 39U )
XML_NAMESPACE( XML_NAMESPACE_DS, 40U )
XML_NAMESPACE( XML_NAMESPACE_XADES132, 41U )
XML_NAMESPACE( XML_NAMESPACE_XADES141, 42U )
+// OOXML digital signature extension namespaces, also based on xmldsig-core
+XML_NAMESPACE( XML_NAMESPACE_MDSSI, 43U )
+XML_NAMESPACE( XML_NAMESPACE_MSODIGSIG, 44U )
// namespaces for odf extended formats
diff --git a/xmlsecurity/source/helper/ooxmlsecparser.cxx b/xmlsecurity/source/helper/ooxmlsecparser.cxx
index a25872fc057d..42f226f57d14 100644
--- a/xmlsecurity/source/helper/ooxmlsecparser.cxx
+++ b/xmlsecurity/source/helper/ooxmlsecparser.cxx
@@ -11,32 +11,1241 @@
#include "ooxmlsecparser.hxx"
#include <xmlsignaturehelper.hxx>
#include <xsecctl.hxx>
+
+#include <xmloff/xmlnmspe.hxx>
+#include <xmloff/xmlimp.hxx>
+
+#include <com/sun/star/xml/sax/SAXException.hpp>
+
#include <sal/log.hxx>
-using namespace com::sun::star;
+using namespace com::sun::star;
+
+class OOXMLSecParser::Context
+{
+ protected:
+ friend class OOXMLSecParser;
+ OOXMLSecParser & m_rParser;
+ private:
+ std::unique_ptr<SvXMLNamespaceMap> m_pOldNamespaceMap;
+
+ public:
+ Context(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<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 OOXMLSecParser::UnknownContext
+ : public OOXMLSecParser::Context
+{
+ public:
+ UnknownContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ {
+ }
+
+ virtual void StartElement(
+ css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override
+ {
+ m_rParser.HandleIdAttr(xAttrs);
+ }
+};
+
+auto OOXMLSecParser::Context::CreateChildContext(
+ std::unique_ptr<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 OOXMLSecParser::ReferencedContextImpl
+ : public OOXMLSecParser::Context
+{
+ protected:
+ bool m_isReferenced;
+
+ public:
+ ReferencedContextImpl(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ bool const isReferenced)
+ : OOXMLSecParser::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 OOXMLSecParser::DsX509CertificateContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ DsX509CertificateContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_rValue += rChars;
+ }
+};
+
+class OOXMLSecParser::DsX509SerialNumberContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ DsX509SerialNumberContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_rValue += rChars;
+ }
+};
+
+class OOXMLSecParser::DsX509IssuerNameContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ DsX509IssuerNameContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_rValue += rChars;
+ }
+};
+
+class OOXMLSecParser::DsX509IssuerSerialContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rX509IssuerName;
+ OUString & m_rX509SerialNumber;
+
+ public:
+ DsX509IssuerSerialContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rIssuerName, OUString & rSerialNumber)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rX509IssuerName(rIssuerName)
+ , m_rX509SerialNumber(rSerialNumber)
+ {
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<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 OOXMLSecParser::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 OOXMLSecParser::DsX509DataContext
+ : public OOXMLSecParser::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(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsKeyInfoContext
+ : public OOXMLSecParser::Context
+{
+ public:
+ DsKeyInfoContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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::unique_ptr<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));
+ }
+ // missing: ds:PGPData
+ // 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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+
+};
+
+class OOXMLSecParser::DsSignatureValueContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString m_Value;
+
+ public:
+ DsSignatureValueContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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 OOXMLSecParser::DsDigestValueContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ DsDigestValueContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::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 OOXMLSecParser::DsDigestMethodContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ sal_Int32 & m_rReferenceDigestID;
+
+ public:
+ DsDigestMethodContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ sal_Int32 & rReferenceDigestID)
+ : OOXMLSecParser::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())
+ {
+ 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 OOXMLSecParser::DsTransformContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ bool & m_rIsC14N;
+
+ public:
+ DsTransformContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ bool & rIsC14N)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rIsC14N(rIsC14N)
+ {
+ }
+
+ virtual void StartElement(
+ css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override
+ {
+ OUString aAlgorithm = xAttrs->getValueByName("Algorithm");
+
+ if (aAlgorithm == ALGO_RELATIONSHIP)
+ {
+ m_rIsC14N = true;
+ }
+ }
+};
+
+class OOXMLSecParser::DsTransformsContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ bool & m_rIsC14N;
+
+ public:
+ DsTransformsContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ bool & rIsC14N)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rIsC14N(rIsC14N)
+ {
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsReferenceContext
+ : public OOXMLSecParser::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::SHA256;
+
+ public:
+ DsReferenceContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsSignatureMethodContext
+ : public OOXMLSecParser::Context
+{
+ public:
+ DsSignatureMethodContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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 OOXMLSecParser::DsSignedInfoContext
+ : public OOXMLSecParser::Context
+{
+ public:
+ DsSignedInfoContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::XadesCertDigestContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rDigestValue;
+ sal_Int32 & m_rReferenceDigestID;
+
+ public:
+ XadesCertDigestContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rDigestValue, sal_Int32 & rReferenceDigestID)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rDigestValue(rDigestValue)
+ , m_rReferenceDigestID(rReferenceDigestID)
+ {
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::XadesCertContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ private:
+ sal_Int32 m_nReferenceDigestID = css::xml::crypto::DigestID::SHA1;
+ OUString m_CertDigest;
+ OUString m_X509IssuerName;
+ OUString m_X509SerialNumber;
+
+ public:
+ XadesCertContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::XadesSigningCertificateContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ public:
+ XadesSigningCertificateContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ bool const isReferenced)
+ : ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), isReferenced)
+ {
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::XadesSigningTimeContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ private:
+ OUString m_Value;
+
+ public:
+ XadesSigningTimeContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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 OOXMLSecParser::XadesSignedSignaturePropertiesContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ public:
+ XadesSignedSignaturePropertiesContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<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);
+ }
+ // missing: xades:SignaturePolicyIdentifier, xades:SignatureProductionPlace, xades:SignerRole
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::XadesSignedPropertiesContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ public:
+ XadesSignedPropertiesContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::XadesQualifyingPropertiesContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ public:
+ XadesQualifyingPropertiesContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<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);
+ }
+ // missing: xades:UnsignedSignatureProperties
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::MsodigsigSetupIDContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ MsodigsigSetupIDContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_rValue += rChars;
+ }
+};
+
+class OOXMLSecParser::MsodigsigSignatureCommentsContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ MsodigsigSignatureCommentsContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_rValue += rChars;
+ }
+};
+
+class OOXMLSecParser::MsodigsigSignatureInfoV1Context
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ private:
+ OUString m_SetupID;
+ OUString m_SignatureComments;
+
+ public:
+ MsodigsigSignatureInfoV1Context(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ sal_uInt16 const nNamespace, OUString const& rName) override
+ {
+ if (nNamespace == XML_NAMESPACE_MSODIGSIG && rName == "SetupID")
+ {
+ return std::make_unique<MsodigsigSetupIDContext>(m_rParser, std::move(pOldNamespaceMap), m_SetupID);
+ }
+ if (nNamespace == XML_NAMESPACE_MSODIGSIG && rName == "SignatureComments")
+ {
+ return std::make_unique<MsodigsigSignatureCommentsContext>(m_rParser, std::move(pOldNamespaceMap), m_SignatureComments);
+ }
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+
+ virtual void EndElement() override
+ {
+ if (m_isReferenced)
+ {
+ if (!m_SetupID.isEmpty())
+ {
+ m_rParser.m_pXSecController->setSignatureLineId(m_SetupID);
+ }
+ if (!m_SignatureComments.isEmpty())
+ {
+ m_rParser.m_pXSecController->setDescription("", m_SignatureComments);
+
+ }
+ }
+ else
+ {
+ SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureInfoV1");
+ }
+ }
+};
+
+class OOXMLSecParser::MdssiValueContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ MdssiValueContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_rValue += rChars;
+ }
+};
+
+class OOXMLSecParser::MdssiSignatureTimeContext
+ : public OOXMLSecParser::Context
+{
+ private:
+ OUString & m_rValue;
+
+ public:
+ MdssiSignatureTimeContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ OUString & rValue)
+ : OOXMLSecParser::Context(rParser, std::move(pOldNamespaceMap))
+ , m_rValue(rValue)
+ {
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ sal_uInt16 const nNamespace, OUString const& rName) override
+ {
+ if (nNamespace == XML_NAMESPACE_MDSSI && rName == "Value")
+ {
+ return std::make_unique<MdssiValueContext>(m_rParser, std::move(pOldNamespaceMap), m_rValue);
+ }
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+
+class OOXMLSecParser::DsSignaturePropertyContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ private:
+ enum class SignatureProperty { Unknown, Date, Info };
+ SignatureProperty m_Property = SignatureProperty::Unknown;
+ OUString m_Id;
+ OUString m_Value;
+
+ public:
+ DsSignaturePropertyContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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::Info:
+ break; // handled by child context
+ case SignatureProperty::Date:
+ m_rParser.m_pXSecController->setDate(m_Id, m_Value);
+ break;
+ }
+ }
+ else
+ {
+ SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureProperty");
+ }
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ sal_uInt16 const nNamespace, OUString const& rName) override
+ {
+ if (nNamespace == XML_NAMESPACE_MDSSI && rName == "SignatureTime")
+ {
+ m_Property = SignatureProperty::Date;
+ return std::make_unique<MdssiSignatureTimeContext>(m_rParser, std::move(pOldNamespaceMap), m_Value);
+ }
+ if (nNamespace == XML_NAMESPACE_MSODIGSIG && rName == "SignatureInfoV1")
+ {
+ return std::make_unique<MsodigsigSignatureInfoV1Context>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced);
+ }
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsSignaturePropertiesContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ public:
+ DsSignaturePropertiesContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsManifestContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ public:
+ DsManifestContext(OOXMLSecParser & rParser,
+ std::unique_ptr<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);
+ }
+
+#if 0
+ ???
+ virtual void EndElement() override
+ {
+ m_rParser.m_pXSecController->setReferenceCount();
+ }
+#endif
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap,
+ sal_uInt16 const nNamespace, OUString const& rName) override
+ {
+ if (nNamespace == XML_NAMESPACE_DS && rName == "Reference")
+ {
+ return std::make_unique<DsReferenceContext>(m_rParser, std::move(pOldNamespaceMap));
+ }
+ // missing: ds:CanonicalizationMethod
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsObjectContext
+ : public OOXMLSecParser::ReferencedContextImpl
+{
+ enum class Mode { Default, ValidSignatureLineImage, InvalidSignatureLineImage };
+ Mode m_Mode = Mode::Default;
+ OUString m_Value;
+
+ public:
+ DsObjectContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ // init with "false" here - the Signature element can't be referenced by its child
+ : OOXMLSecParser::ReferencedContextImpl(rParser, std::move(pOldNamespaceMap), false)
+ {
+ }
+
+ virtual void StartElement(
+ css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs) override
+ {
+ OUString const id(CheckIdAttrReferenced(xAttrs));
+ if (id == "idValidSigLnImg")
+ {
+ m_Mode = Mode::ValidSignatureLineImage;
+ }
+ else if (id == "idInvalidSigLnImg")
+ {
+ m_Mode = Mode::InvalidSignatureLineImage;
+ }
+ }
+
+ virtual void EndElement() override
+ {
+ switch (m_Mode)
+ {
+ case Mode::ValidSignatureLineImage:
+ if (m_isReferenced)
+ {
+ m_rParser.m_pXSecController->setValidSignatureImage(m_Value);
+ }
+ else
+ {
+ SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureLineValidImage");
+ }
+ break;
+ case Mode::InvalidSignatureLineImage:
+ if (m_isReferenced)
+ {
+ m_rParser.m_pXSecController->setInvalidSignatureImage(m_Value);
+ }
+ else
+ {
+ SAL_INFO("xmlsecurity.helper", "ignoring unsigned SignatureLineInvalidImage");
+ }
+ break;
+ case Mode::Default:
+ break;
+ }
+ }
+
+ virtual void Characters(OUString const& rChars) override
+ {
+ m_Value += rChars;
+ }
+
+ virtual std::unique_ptr<Context> CreateChildContext(
+ std::unique_ptr<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);
+ }
+ if (nNamespace == XML_NAMESPACE_DS && rName == "Manifest")
+ {
+ return std::make_unique<DsManifestContext>(m_rParser, std::move(pOldNamespaceMap), m_isReferenced);
+ }
+ return OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
+class OOXMLSecParser::DsSignatureContext
+ : public OOXMLSecParser::Context
+{
+ public:
+ DsSignatureContext(OOXMLSecParser & rParser,
+ std::unique_ptr<SvXMLNamespaceMap> pOldNamespaceMap)
+ : OOXMLSecParser::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::unique_ptr<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 OOXMLSecParser::Context::CreateChildContext(std::move(pOldNamespaceMap), nNamespace, rName);
+ }
+};
+
OOXMLSecParser::OOXMLSecParser(XMLSignatureHelper& rXMLSignatureHelper, XSecController* pXSecController)
- : m_pXSecController(pXSecController)
- ,m_bInDigestValue(false)
- ,m_bInSignatureValue(false)
- ,m_bInX509Certificate(false)
- ,m_bInMdssiValue(false)
- ,m_bInSignatureComments(false)
- ,m_bInX509IssuerName(false)
- ,m_bInX509SerialNumber(false)
- ,m_bInCertDigest(false)
- ,m_bInValidSignatureImage(false)
- ,m_bInInvalidSignatureImage(false)
- ,m_bInSignatureLineId(false)
- ,m_bReferenceUnresolved(false)
+ : m_pNamespaceMap(new 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( "_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( "_mdssi", NS_MDSSI, XML_NAMESPACE_MDSSI );
+ m_pNamespaceMap->Add( "_msodigsig", "http://schemas.microsoft.com/office/2006/digsig", XML_NAMESPACE_MSODIGSIG );
+ m_pNamespaceMap->Add( "_office_libo",
+ GetXMLToken(XML_N_LO_EXT), XML_NAMESPACE_LO_EXT);
}
OOXMLSecParser::~OOXMLSecParser()
{
}
+OUString OOXMLSecParser::HandleIdAttr(css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs)
+{
+ OUString const aId = xAttrs->getValueByName("Id");
+ if (!aId.isEmpty())
+ {
+ m_pXSecController->collectToVerify(aId);
+ }
+ return aId;
+}
+
void SAL_CALL OOXMLSecParser::startDocument()
{
if (m_xNextHandler.is())
@@ -51,231 +1260,69 @@ void SAL_CALL OOXMLSecParser::endDocument()
void SAL_CALL OOXMLSecParser::startElement(const OUString& rName, const uno::Reference<xml::sax::XAttributeList>& xAttribs)
{
- OUString aId = xAttribs->getValueByName("Id");
- if (!aId.isEmpty())
- m_pXSecController->collectToVerify(aId);
+ assert(m_pNamespaceMap);
+ std::unique_ptr<SvXMLNamespaceMap> pRewindMap(
+ SvXMLImport::processNSAttributes(m_pNamespaceMap, nullptr, xAttribs));
- if (rName == "Signature")
- {
- m_rXMLSignatureHelper.StartVerifySignatureElement();
- m_pXSecController->addSignature();
- if (!aId.isEmpty())
- m_pXSecController->setId(aId);
- }
- else if (rName == "SignatureMethod")
- {
- OUString ouAlgorithm = xAttribs->getValueByName("Algorithm");
- if (ouAlgorithm == ALGO_ECDSASHA1 || ouAlgorithm == ALGO_ECDSASHA256
- || ouAlgorithm == ALGO_ECDSASHA512)
- m_pXSecController->setSignatureMethod(svl::crypto::SignatureMethodAlgorithm::ECDSA);
- }
- else if (rName == "Reference")
- {
- OUString aURI = xAttribs->getValueByName("URI");
- if (aURI.startsWith("#"))
- m_pXSecController->addReference(aURI.copy(1), xml::crypto::DigestID::SHA1, OUString());
- else
- {
- m_aReferenceURI = aURI;
- m_bReferenceUnresolved = true;
- }
- }
- else if (rName == "Transform")
- {
- if (m_bReferenceUnresolved)
- {
- OUString aAlgorithm = xAttribs->getValueByName("Algorithm");
- if (aAlgorithm == ALGO_RELATIONSHIP)
- {
- m_pXSecController->addStreamReference(m_aReferenceURI, /*isBinary=*/false, /*nDigestID=*/xml::crypto::DigestID::SHA256);
- m_bReferenceUnresolved = false;
- }
- }
- }
- else if (rName == "DigestValue" && !m_bInCertDigest)
- {
- m_aDigestValue.clear();
- m_bInDigestValue = true;
- }
- else if (rName == "SignatureValue")
- {
- m_aSignatureValue.clear();
- m_bInSignatureValue = true;
- }
- else if (rName == "X509Certificate")
- {
- m_aX509Certificate.clear();
- m_bInX509Certificate = true;
- }
- else if (rName == "mdssi:Value")
- {
- m_aMdssiValue.clear();
- m_bInMdssiValue = true;
- }
- else if (rName == "SignatureComments")
- {
- m_aSignatureComments.clear();
- m_bInSignatureComments = true;
- }
- else if (rName == "X509IssuerName")
- {
- m_aX509IssuerName.clear();
- m_bInX509IssuerName = true;
- }
- else if (rName == "X509SerialNumber")
- {
- m_aX509SerialNumber.clear();
- m_bInX509SerialNumber = true;
- }
- else if (rName == "xd:CertDigest")
- {
- m_aCertDigest.clear();
- m_bInCertDigest = true;
- }
- else if (rName == "Object")
+ OUString localName;
+ sal_uInt16 const nPrefix(m_pNamespaceMap->GetKeyByAttrName(rName, &localName));
+
+ std::unique_ptr<Context> pContext;
+
+ if (m_ContextStack.empty())
{
- OUString sId = xAttribs->getValueByName("Id");
- if (sId == "idValidSigLnImg")
- {
- m_aValidSignatureImage.clear();
- m_bInValidSignatureImage = true;
- }
- else if (sId == "idInvalidSigLnImg")
+ if (nPrefix == XML_NAMESPACE_DS
+ && localName == "Signature")
{
- m_aInvalidSignatureImage.clear();
- m_bInInvalidSignatureImage = true;
+ pContext.reset(new DsSignatureContext(*this, std::move(pRewindMap)));
}
else
{
- SAL_INFO("xmlsecurity.ooxml", "Unknown 'Object' child element: " << rName);
+ throw css::xml::sax::SAXException(
+ "xmlsecurity: unexpected root element", nullptr,
+ css::uno::Any());
}
}
- else if (rName == "SetupID")
- {
- m_aSignatureLineId.clear();
- m_bInSignatureLineId = true;
- }
else
{
- SAL_INFO("xmlsecurity.ooxml", "Unknown xml element: " << rName);
+ pContext = m_ContextStack.top()->CreateChildContext(
+ std::move(pRewindMap), nPrefix, localName);
}
+ m_ContextStack.push(std::move(pContext));
+ assert(!pRewindMap);
+
+ m_ContextStack.top()->StartElement(xAttribs);
+
if (m_xNextHandler.is())
+ {
m_xNextHandler->startElement(rName, xAttribs);
+ }
+
}
void SAL_CALL OOXMLSecParser::endElement(const OUString& rName)
{
- if (rName == "SignedInfo")
- m_pXSecController->setReferenceCount();
- else if (rName == "Reference")
- {
- if (m_bReferenceUnresolved)
- {
- // No transform algorithm found, assume binary.
- m_pXSecController->addStreamReference(m_aReferenceURI, /*isBinary=*/true, /*nDigestID=*/xml::crypto::DigestID::SHA256);
- m_bReferenceUnresolved = false;
- }
- m_pXSecController->setDigestValue(xml::crypto::DigestID::SHA256, m_aDigestValue);
- }
- else if (rName == "DigestValue" && !m_bInCertDigest)
- m_bInDigestValue = false;
- else if (rName == "SignatureValue")
- {
- m_pXSecController->setSignatureValue(m_aSignatureValue);
- m_bInSignatureValue = false;
- }
- else if (rName == "X509Data")
- {
- std::vector<std::pair<OUString, OUString>> X509IssuerSerials;
- std::vector<OUString> X509Certificates;
- if (!m_aX509Certificate.isEmpty())
- {
- X509Certificates.emplace_back(m_aX509Certificate);
- }
- if (!m_aX509IssuerName.isEmpty() && !m_aX509SerialNumber.isEmpty())
- {
- X509IssuerSerials.emplace_back(m_aX509IssuerName, m_aX509SerialNumber);
- }
- m_pXSecController->setX509Data(X509IssuerSerials, X509Certificates);
- }
- else if (rName == "X509Certificate")
- {
- m_bInX509Certificate = false;
- }
- else if (rName == "mdssi:Value")
- {
- m_pXSecController->setDate("", m_aMdssiValue);
- m_bInMdssiValue = false;
- }
- else if (rName == "SignatureComments")
- {
- m_pXSecController->setDescription("", m_aSignatureComments);
- m_bInSignatureComments = false;
- }
- else if (rName == "X509IssuerName")
- {
- m_bInX509IssuerName = false;
- }
- else if (rName == "X509SerialNumber")
- {
- m_bInX509SerialNumber = false;
- }
- else if (rName == "xd:Cert")
- {
- m_pXSecController->setX509CertDigest(m_aCertDigest, css::xml::crypto::DigestID::SHA1, m_aX509IssuerName, m_aX509SerialNumber);
- }
- else if (rName == "xd:CertDigest")
- {
- m_bInCertDigest = false;
- }
- else if (rName == "Object")
+ assert(!m_ContextStack.empty()); // this should be checked by sax parser?
+
+ m_ContextStack.top()->EndElement();
+
+ if (m_xNextHandler.is())
{
- if (m_bInValidSignatureImage)
- {
- m_pXSecController->setValidSignatureImage(m_aValidSignatureImage);
- m_bInValidSignatureImage = false;
- }
- else if (m_bInInvalidSignatureImage)
- {
- m_pXSecController->setInvalidSignatureImage(m_aInvalidSignatureImage);
- m_bInInvalidSignatureImage = false;
- }
+ m_xNextHandler->endElement(rName);
}
- else if (rName == "SetupID")
+
+ if (m_ContextStack.top()->m_pOldNamespaceMap)
{
- m_pXSecController->setSignatureLineId(m_aSignatureLineId);
- m_bInSignatureLineId = false;
+ m_pNamespaceMap = std::move(m_ContextStack.top()->m_pOldNamespaceMap);
}
-
- if (m_xNextHandler.is())
- m_xNextHandler->endElement(rName);
+ m_ContextStack.pop();
}
void SAL_CALL OOXMLSecParser::characters(const OUString& rChars)
{
- if (m_bInDigestValue && !m_bInCertDigest)
- m_aDigestValue += rChars;
- else if (m_bInSignatureValue)
- m_aSignatureValue += rChars;
- else if (m_bInX509Certificate)
- m_aX509Certificate += rChars;
- else if (m_bInMdssiValue)
- m_aMdssiValue += rChars;
- else if (m_bInSignatureComments)
- m_aSignatureComments += rChars;
- else if (m_bInX509IssuerName)
- m_aX509IssuerName += rChars;
- else if (m_bInX509SerialNumber)
- m_aX509SerialNumber += rChars;
- else if (m_bInCertDigest)
- m_aCertDigest += rChars;
- else if (m_bInValidSignatureImage)
- m_aValidSignatureImage += rChars;
- else if (m_bInInvalidSignatureImage)
- m_aInvalidSignatureImage += rChars;
- else if (m_bInSignatureLineId)
- m_aSignatureLineId += 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);
diff --git a/xmlsecurity/source/helper/ooxmlsecparser.hxx b/xmlsecurity/source/helper/ooxmlsecparser.hxx
index d3c199147255..21ff01ff26da 100644
--- a/xmlsecurity/source/helper/ooxmlsecparser.hxx
+++ b/xmlsecurity/source/helper/ooxmlsecparser.hxx
@@ -15,6 +15,10 @@
#include <cppuhelper/implbase.hxx>
+#include <xmloff/nmspmap.hxx>
+
+#include <stack>
+
class XSecController;
class XMLSignatureHelper;
@@ -25,38 +29,58 @@ class OOXMLSecParser: public cppu::WeakImplHelper
css::lang::XInitialization
>
{
+public:
+ class Context;
+private:
+ class UnknownContext;
+ class ReferencedContextImpl;
+ class DsX509CertificateContext;
+ class DsX509SerialNumberContext;
+ class DsX509IssuerNameContext;
+ class DsX509IssuerSerialContext;
+ class DsX509DataContext;
+ class DsKeyInfoContext;
+ class DsSignatureValueContext;
+ class DsDigestValueContext;
+ class DsDigestMethodContext;
+ class DsTransformContext;
+ class DsTransformsContext;
+ class DsReferenceContext;
+ class DsSignatureMethodContext;
+ class DsSignedInfoContext;
+ class XadesEncapsulatedX509CertificateContext;
+ class XadesCertificateValuesContext;
+ class XadesUnsignedSignaturePropertiesContext;
+ class XadesUnsignedPropertiesContext;
+ class XadesCertDigestContext;
+ class XadesCertContext;
+ class XadesSigningCertificateContext;
+ class XadesSigningTimeContext;
+ class XadesSignedSignaturePropertiesContext;
+ class XadesSignedPropertiesContext;
+ class XadesQualifyingPropertiesContext;
+ class MdssiValueContext;
+ class MdssiSignatureTimeContext;
+ class MsodigsigSetupIDContext;
+ class MsodigsigSignatureCommentsContext;
+ class MsodigsigSignatureInfoV1Context;
+ class DsSignaturePropertyContext;
+ class DsSignaturePropertiesContext;
+ class DsManifestContext;
+ class DsObjectContext;
+ class DsSignatureContext;
+ class DsigSignaturesContext;
+
+ std::stack<std::unique_ptr<Context>> m_ContextStack;
+ std::unique_ptr<SvXMLNamespaceMap> m_pNamespaceMap;
+
XSecController* m_pXSecController;
css::uno::Reference<css::xml::sax::XDocumentHandler> m_xNextHandler;
- bool m_bInDigestValue;
- OUString m_aDigestValue;
- bool m_bInSignatureValue;
- OUString m_aSignatureValue;
- bool m_bInX509Certificate;
- OUString m_aX509Certificate;
- bool m_bInMdssiValue;
- OUString m_aMdssiValue;
- bool m_bInSignatureComments;
- OUString m_aSignatureComments;
- bool m_bInX509IssuerName;
- OUString m_aX509IssuerName;
- bool m_bInX509SerialNumber;
- OUString m_aX509SerialNumber;
- bool m_bInCertDigest;
- OUString m_aCertDigest;
- bool m_bInValidSignatureImage;
- OUString m_aValidSignatureImage;
- bool m_bInInvalidSignatureImage;
- OUString m_aInvalidSignatureImage;
- bool m_bInSignatureLineId;
- OUString m_aSignatureLineId;
-
- /// Last seen <Reference URI="...">.
- OUString m_aReferenceURI;
- /// Already called addStreamReference() for this reference.
- bool m_bReferenceUnresolved;
XMLSignatureHelper& m_rXMLSignatureHelper;
+ OUString HandleIdAttr(css::uno::Reference<css::xml::sax::XAttributeList> const& xAttrs);
+
public:
explicit OOXMLSecParser(XMLSignatureHelper& rXMLSignatureHelper, XSecController* pXSecController);
virtual ~OOXMLSecParser() override;
--
2.33.1
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