/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

/*

 * This file is part of the LibreOffice project.

 *

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 */

#include <sfx2/classificationhelper.hxx>

#include <map>

#include <algorithm>

#include <iterator>

#include <frozen/bits/defines.h>

#include <frozen/bits/elsa_std.h>

#include <frozen/unordered_map.h>

#include <com/sun/star/beans/XPropertyContainer.hpp>

#include <com/sun/star/beans/Property.hpp>

#include <com/sun/star/beans/XPropertySet.hpp>

#include <com/sun/star/document/XDocumentProperties.hpp>

#include <com/sun/star/xml/sax/Parser.hpp>

#include <com/sun/star/xml/sax/XDocumentHandler.hpp>

#include <com/sun/star/xml/sax/SAXParseException.hpp>

#include <com/sun/star/beans/PropertyAttribute.hpp>

#include <sal/log.hxx>

#include <i18nlangtag/languagetag.hxx>

#include <sfx2/infobar.hxx>

#include <comphelper/processfactory.hxx>

#include <unotools/configmgr.hxx>

#include <unotools/pathoptions.hxx>

#include <unotools/ucbstreamhelper.hxx>

#include <unotools/streamwrap.hxx>

#include <cppuhelper/implbase.hxx>

#include <sfx2/strings.hrc>

#include <sfx2/sfxresid.hxx>

#include <sfx2/viewfrm.hxx>

#include <tools/datetime.hxx>

#include <comphelper/diagnose_ex.hxx>

#include <unotools/datetime.hxx>

#include <vcl/svapp.hxx>

#include <vcl/settings.hxx>

#include <vcl/weld/weld.hxx>

#include <svl/fstathelper.hxx>

#include <o3tl/string_view.hxx>

#include <officecfg/Office/Common.hxx>

using namespace com::sun::star;

namespace

{

const OUString& PROP_BACNAME()

{

    static constexpr OUString sProp(u"BusinessAuthorizationCategory:Name"_ustr);

    return sProp;

}

const OUString& PROP_STARTVALIDITY()

{

    static constexpr OUString sProp(u"Authorization:StartValidity"_ustr);

    return sProp;

}

const OUString& PROP_NONE()

{

    static constexpr OUString sProp(u"None"_ustr);

    return sProp;

}

const OUString& PROP_IMPACTSCALE()

{

    static constexpr OUString sProp(u"Impact:Scale"_ustr);

    return sProp;

}

const OUString& PROP_IMPACTLEVEL()

{

    static constexpr OUString sProp(u"Impact:Level:Confidentiality"_ustr);

    return sProp;

}

const OUString& PROP_PREFIX_EXPORTCONTROL()

{

    static constexpr OUString sProp(u"urn:bails:ExportControl:"_ustr);

    return sProp;

}

const OUString& PROP_PREFIX_NATIONALSECURITY()

{

    static constexpr OUString sProp(u"urn:bails:NationalSecurity:"_ustr);

    return sProp;

}

/// Represents one category of a classification policy.

class SfxClassificationCategory

{

public:

    /// PROP_BACNAME() is stored separately for easier lookup.

    OUString m_aName;

    OUString m_aAbbreviatedName; //< An abbreviation to display instead of m_aName.

    OUString m_aIdentifier; //< The Identifier of this entry.

    size_t m_nConfidentiality; //< 0 is the lowest (least-sensitive).

    std::map<OUString, OUString> m_aLabels;

};

/// Parses a policy XML conforming to the TSCP BAF schema.

class SfxClassificationParser : public cppu::WeakImplHelper<xml::sax::XDocumentHandler>

{

public:

    std::vector<SfxClassificationCategory> m_aCategories;

    std::vector<OUString> m_aMarkings;

    std::vector<OUString> m_aIPParts;

    std::vector<OUString> m_aIPPartNumbers;

    OUString m_aPolicyAuthorityName;

    bool m_bInPolicyAuthorityName = false;

    OUString m_aPolicyName;

    bool m_bInPolicyName = false;

    OUString m_aProgramID;

    bool m_bInProgramID = false;

    OUString m_aScale;

    bool m_bInScale = false;

    OUString m_aConfidentalityValue;

    bool m_bInConfidentalityValue = false;

    OUString m_aIdentifier;

    bool m_bInIdentifier = false;

    OUString m_aValue;

    bool m_bInValue = false;

    /// Pointer to a value in m_aCategories, the currently parsed category.

    SfxClassificationCategory* m_pCategory = nullptr;

    SfxClassificationParser();

    void SAL_CALL startDocument() override;

    void SAL_CALL endDocument() override;

    void SAL_CALL startElement(const OUString& rName, const uno::Reference<xml::sax::XAttributeList>& xAttribs) override;

    void SAL_CALL endElement(const OUString& rName) override;

    void SAL_CALL characters(const OUString& rChars) override;

    void SAL_CALL ignorableWhitespace(const OUString& rWhitespaces) override;

    void SAL_CALL processingInstruction(const OUString& rTarget, const OUString& rData) override;

    void SAL_CALL setDocumentLocator(const uno::Reference<xml::sax::XLocator>& xLocator) override;

};

SfxClassificationParser::SfxClassificationParser() = default;

void SAL_CALL SfxClassificationParser::startDocument()

{

}

void SAL_CALL SfxClassificationParser::endDocument()

{

}

void SAL_CALL SfxClassificationParser::startElement(const OUString& rName, const uno::Reference<xml::sax::XAttributeList>& xAttribs)

{

    if (rName == "baf:PolicyAuthorityName")

    {

        m_aPolicyAuthorityName.clear();

        m_bInPolicyAuthorityName = true;

    }

    else if (rName == "baf:PolicyName")

    {

        m_aPolicyName.clear();

        m_bInPolicyName = true;

    }

    else if (rName == "baf:ProgramID")

    {

        m_aProgramID.clear();

        m_bInProgramID = true;

    }

    else if (rName == "baf:BusinessAuthorizationCategory")

    {

        const OUString aName = xAttribs->getValueByName(u"Name"_ustr);

        if (!m_pCategory && !aName.isEmpty())

        {

            OUString aIdentifier = xAttribs->getValueByName(u"Identifier"_ustr);

            // Create a new category and initialize it with the data that's true for all categories.

            m_aCategories.emplace_back();

            SfxClassificationCategory& rCategory = m_aCategories.back();

            rCategory.m_aName = aName;

            // Set the abbreviated name, if any, otherwise fallback on the full name.

            const OUString aAbbreviatedName = xAttribs->getValueByName(u"loextAbbreviatedName"_ustr);

            rCategory.m_aAbbreviatedName = !aAbbreviatedName.isEmpty() ? aAbbreviatedName : aName;

            rCategory.m_aIdentifier = aIdentifier;

            rCategory.m_aLabels[u"PolicyAuthority:Name"_ustr] = m_aPolicyAuthorityName;

            rCategory.m_aLabels[u"Policy:Name"_ustr] = m_aPolicyName;

            rCategory.m_aLabels[u"BusinessAuthorization:Identifier"_ustr] = m_aProgramID;

            rCategory.m_aLabels[u"BusinessAuthorizationCategory:Identifier"_ustr] = aIdentifier;

            // Also initialize defaults.

            rCategory.m_aLabels[u"PolicyAuthority:Identifier"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"PolicyAuthority:Country"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"Policy:Identifier"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"BusinessAuthorization:Name"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"BusinessAuthorization:Locator"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"BusinessAuthorizationCategory:Identifier:OID"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"BusinessAuthorizationCategory:Locator"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"BusinessAuthorization:Locator"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"MarkingPrecedence"_ustr] = PROP_NONE();

            rCategory.m_aLabels[u"Marking:general-summary"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-warning-statement"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-warning-statement:ext:2"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-warning-statement:ext:3"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-warning-statement:ext:4"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-distribution-statement"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-distribution-statement:ext:2"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-distribution-statement:ext:3"_ustr].clear();

            rCategory.m_aLabels[u"Marking:general-distribution-statement:ext:4"_ustr].clear();

            rCategory.m_aLabels[SfxClassificationHelper::PROP_DOCHEADER()].clear();

            rCategory.m_aLabels[SfxClassificationHelper::PROP_DOCFOOTER()].clear();

            rCategory.m_aLabels[SfxClassificationHelper::PROP_DOCWATERMARK()].clear();

            rCategory.m_aLabels[u"Marking:email-first-line-of-text"_ustr].clear();

            rCategory.m_aLabels[u"Marking:email-last-line-of-text"_ustr].clear();

            rCategory.m_aLabels[u"Marking:email-subject-prefix"_ustr].clear();

            rCategory.m_aLabels[u"Marking:email-subject-suffix"_ustr].clear();

            rCategory.m_aLabels[PROP_STARTVALIDITY()] = PROP_NONE();

            rCategory.m_aLabels[u"Authorization:StopValidity"_ustr] = PROP_NONE();

            m_pCategory = &rCategory;

        }

    }

    else if (rName == "loext:Marking")

    {

        OUString aName = xAttribs->getValueByName(u"Name"_ustr);

        m_aMarkings.push_back(aName);

    }

    else if (rName == "loext:IntellectualPropertyPart")

    {

        OUString aName = xAttribs->getValueByName(u"Name"_ustr);

        m_aIPParts.push_back(aName);

    }

    else if (rName == "loext:IntellectualPropertyPartNumber")

    {

        OUString aName = xAttribs->getValueByName(u"Name"_ustr);

        m_aIPPartNumbers.push_back(aName);

    }

    else if (rName == "baf:Scale")

    {

        m_aScale.clear();

        m_bInScale = true;

    }

    else if (rName == "baf:ConfidentalityValue")

    {

        m_aConfidentalityValue.clear();

        m_bInConfidentalityValue = true;

    }

    else if (rName == "baf:Identifier")

    {

        m_aIdentifier.clear();

        m_bInIdentifier = true;

    }

    else if (rName == "baf:Value")

    {

        m_aValue.clear();

        m_bInValue = true;

    }

}

void SAL_CALL SfxClassificationParser::endElement(const OUString& rName)

{

    if (rName == "baf:PolicyAuthorityName")

        m_bInPolicyAuthorityName = false;

    else if (rName == "baf:PolicyName")

        m_bInPolicyName = false;

    else if (rName == "baf:ProgramID")

        m_bInProgramID = false;

    else if (rName == "baf:BusinessAuthorizationCategory")

        m_pCategory = nullptr;

    else if (rName == "baf:Scale")

    {

        m_bInScale = false;

        if (m_pCategory)

            m_pCategory->m_aLabels[PROP_IMPACTSCALE()] = m_aScale;

    }

    else if (rName == "baf:ConfidentalityValue")

    {

        m_bInConfidentalityValue = false;

        if (m_pCategory)

        {

            std::map<OUString, OUString>& rLabels = m_pCategory->m_aLabels;

            rLabels[PROP_IMPACTLEVEL()] = m_aConfidentalityValue;

            m_pCategory->m_nConfidentiality = m_aConfidentalityValue.toInt32(); // 0-based class sensitivity; 0 is lowest.

            // Set the two other type of levels as well, if they're not set

            // yet: they're optional in BAF, but not in BAILS.

            rLabels.try_emplace(u"Impact:Level:Integrity"_ustr, m_aConfidentalityValue);

            rLabels.try_emplace(u"Impact:Level:Availability"_ustr, m_aConfidentalityValue);

        }

    }

    else if (rName == "baf:Identifier")

        m_bInIdentifier = false;

    else if (rName == "baf:Value")

    {

        if (m_pCategory)

        {

            if (m_aIdentifier == "Document: Header")

                m_pCategory->m_aLabels[SfxClassificationHelper::PROP_DOCHEADER()] = m_aValue;

            else if (m_aIdentifier == "Document: Footer")

                m_pCategory->m_aLabels[SfxClassificationHelper::PROP_DOCFOOTER()] = m_aValue;

            else if (m_aIdentifier == "Document: Watermark")

                m_pCategory->m_aLabels[SfxClassificationHelper::PROP_DOCWATERMARK()] = m_aValue;

        }

    }

}

void SAL_CALL SfxClassificationParser::characters(const OUString& rChars)

{

    if (m_bInPolicyAuthorityName)

        m_aPolicyAuthorityName += rChars;

    else if (m_bInPolicyName)

        m_aPolicyName += rChars;

    else if (m_bInProgramID)

        m_aProgramID += rChars;

    else if (m_bInScale)

        m_aScale += rChars;

    else if (m_bInConfidentalityValue)

        m_aConfidentalityValue += rChars;

    else if (m_bInIdentifier)

        m_aIdentifier += rChars;

    else if (m_bInValue)

        m_aValue += rChars;

}

void SAL_CALL SfxClassificationParser::ignorableWhitespace(const OUString& /*rWhitespace*/)

{

}

void SAL_CALL SfxClassificationParser::processingInstruction(const OUString& /*rTarget*/, const OUString& /*rData*/)

{

}

void SAL_CALL SfxClassificationParser::setDocumentLocator(const uno::Reference<xml::sax::XLocator>& /*xLocator*/)

{

}

} // anonymous namespace

/// Implementation details of SfxClassificationHelper.

class SfxClassificationHelper::Impl

{

public:

    /// Selected categories, one category for each policy type.

    std::map<SfxClassificationPolicyType, SfxClassificationCategory> m_aCategory;

    /// Possible categories of a policy to choose from.

    std::vector<SfxClassificationCategory> m_aCategories;

    std::vector<OUString> m_aMarkings;

    std::vector<OUString> m_aIPParts;

    std::vector<OUString> m_aIPPartNumbers;

    uno::Reference<document::XDocumentProperties> m_xDocumentProperties;

    bool m_bUseLocalized;

    explicit Impl(uno::Reference<document::XDocumentProperties> xDocumentProperties, bool bUseLocalized);

    void parsePolicy();

    /// Synchronize m_aLabels back to the document properties.

    void pushToDocumentProperties();

    /// Set the classification start date to the system time.

    void setStartValidity(SfxClassificationPolicyType eType);

};

SfxClassificationHelper::Impl::Impl(uno::Reference<document::XDocumentProperties> xDocumentProperties, bool bUseLocalized)

    : m_xDocumentProperties(std::move(xDocumentProperties))

    , m_bUseLocalized(bUseLocalized)

{

    parsePolicy();

}

void SfxClassificationHelper::Impl::parsePolicy()

{

    const uno::Reference<uno::XComponentContext>& xComponentContext = comphelper::getProcessComponentContext();

    SvtPathOptions aOptions;

    OUString aPath = aOptions.GetClassificationPath();

    // See if there is a localized variant next to the configured XML.

    OUString aExtension(u".xml"_ustr);

    if (aPath.endsWith(aExtension) && m_bUseLocalized)

    {

        std::u16string_view aBase = aPath.subView(0, aPath.getLength() - aExtension.getLength());

        const LanguageTag& rLanguageTag = Application::GetSettings().GetLanguageTag();

        // Expected format is "<original path>_xx-XX.xml".

        OUString aLocalized = OUString::Concat(aBase) + "_" + rLanguageTag.getBcp47() + aExtension;

        if (FStatHelper::IsDocument(aLocalized))

            aPath = aLocalized;

    }

    xml::sax::InputSource aParserInput;

    std::unique_ptr<SvStream> pStream = utl::UcbStreamHelper::CreateStream(aPath, StreamMode::READ);

    aParserInput.aInputStream.set(new utl::OStreamWrapper(std::move(pStream)));

    uno::Reference<xml::sax::XParser> xParser = xml::sax::Parser::create(xComponentContext);

    rtl::Reference<SfxClassificationParser> xClassificationParser(new SfxClassificationParser());

    xParser->setDocumentHandler(xClassificationParser);

    try

    {

        xParser->parseStream(aParserInput);

    }

    catch (const xml::sax::SAXParseException&)

    {

        TOOLS_WARN_EXCEPTION("sfx.view", "parsePolicy() failed");

    }

    m_aCategories = xClassificationParser->m_aCategories;

    m_aMarkings = xClassificationParser->m_aMarkings;

    m_aIPParts = xClassificationParser->m_aIPParts;

    m_aIPPartNumbers = xClassificationParser->m_aIPPartNumbers;

}

static bool lcl_containsProperty(const uno::Sequence<beans::Property>& rProperties, std::u16string_view rName)

{

    return std::any_of(rProperties.begin(), rProperties.end(), [&](const beans::Property& rProperty)

    {

        return rProperty.Name == rName;

    });

}

void SfxClassificationHelper::Impl::setStartValidity(SfxClassificationPolicyType eType)

{

    auto itCategory = m_aCategory.find(eType);

    if (itCategory == m_aCategory.end())

        return;

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(policyTypeToString(eType) + PROP_STARTVALIDITY());

    if (it != rCategory.m_aLabels.end())

    {

        if (it->second == PROP_NONE())

        {

            // The policy left the start date unchanged, replace it with the system time.

            util::DateTime aDateTime = DateTime(DateTime::SYSTEM).GetUNODateTime();

            it->second = utl::toISO8601(aDateTime);

        }

    }

}

void SfxClassificationHelper::Impl::pushToDocumentProperties()

{

    uno::Reference<beans::XPropertyContainer> xPropertyContainer = m_xDocumentProperties->getUserDefinedProperties();

    uno::Reference<beans::XPropertySet> xPropertySet(xPropertyContainer, uno::UNO_QUERY);

    uno::Sequence<beans::Property> aProperties = xPropertySet->getPropertySetInfo()->getProperties();

    for (auto& rPair : m_aCategory)

    {

        SfxClassificationPolicyType eType = rPair.first;

        SfxClassificationCategory& rCategory = rPair.second;

        std::map<OUString, OUString> aLabels = rCategory.m_aLabels;

        aLabels[policyTypeToString(eType) + PROP_BACNAME()] = rCategory.m_aName;

        for (const auto& rLabel : aLabels)

        {

            try

            {

                if (lcl_containsProperty(aProperties, rLabel.first))

                    xPropertySet->setPropertyValue(rLabel.first, uno::Any(rLabel.second));

                else

                    xPropertyContainer->addProperty(rLabel.first, beans::PropertyAttribute::REMOVABLE, uno::Any(rLabel.second));

            }

            catch (const uno::Exception&)

            {

                TOOLS_WARN_EXCEPTION("sfx.view", "pushDocumentProperties() failed for property " << rLabel.first);

            }

        }

    }

}

bool SfxClassificationHelper::IsClassified(const uno::Reference<document::XDocumentProperties>& xDocumentProperties)

{

    uno::Reference<beans::XPropertyContainer> xPropertyContainer = xDocumentProperties->getUserDefinedProperties();

    if (!xPropertyContainer.is())

        return false;

    uno::Reference<beans::XPropertySet> xPropertySet(xPropertyContainer, uno::UNO_QUERY);

    const uno::Sequence<beans::Property> aProperties = xPropertySet->getPropertySetInfo()->getProperties();

    for (const beans::Property& rProperty : aProperties)

    {

        if (rProperty.Name.startsWith("urn:bails:"))

            return true;

    }

    return false;

}

SfxClassificationCheckPasteResult SfxClassificationHelper::CheckPaste(const uno::Reference<document::XDocumentProperties>& xSource,

        const uno::Reference<document::XDocumentProperties>& xDestination)

{

    if (!SfxClassificationHelper::IsClassified(xSource))

        // No classification on the source side. Return early, regardless the

        // state of the destination side.

        return SfxClassificationCheckPasteResult::None;

    if (!SfxClassificationHelper::IsClassified(xDestination))

    {

        // Paste from a classified document to a non-classified one -> deny.

        return SfxClassificationCheckPasteResult::TargetDocNotClassified;

    }

    // Remaining case: paste between two classified documents.

    SfxClassificationHelper aSource(xSource);

    SfxClassificationHelper aDestination(xDestination);

    if (aSource.GetImpactScale() != aDestination.GetImpactScale())

        // It's possible to compare them if they have the same scale.

        return SfxClassificationCheckPasteResult::None;

    if (aSource.GetImpactLevel() > aDestination.GetImpactLevel())

        // Paste from a doc that has higher classification -> deny.

        return SfxClassificationCheckPasteResult::DocClassificationTooLow;

    return SfxClassificationCheckPasteResult::None;

}

bool SfxClassificationHelper::ShowPasteInfo(SfxClassificationCheckPasteResult eResult)

{

    switch (eResult)

    {

    case SfxClassificationCheckPasteResult::None:

    {

        return true;

    }

    break;

    case SfxClassificationCheckPasteResult::TargetDocNotClassified:

    {

        if (!Application::IsHeadlessModeEnabled())

        {

            std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(nullptr,

                                                                     VclMessageType::Info, VclButtonsType::Ok,

                                                                     SfxResId(STR_TARGET_DOC_NOT_CLASSIFIED)));

            xBox->run();

        }

        return false;

    }

    break;

    case SfxClassificationCheckPasteResult::DocClassificationTooLow:

    {

        if (!Application::IsHeadlessModeEnabled())

        {

            std::unique_ptr<weld::MessageDialog> xBox(Application::CreateMessageDialog(nullptr,

                                                                     VclMessageType::Info, VclButtonsType::Ok,

                                                                     SfxResId(STR_DOC_CLASSIFICATION_TOO_LOW)));

            xBox->run();

        }

        return false;

    }

    break;

    }

    return true;

}

SfxClassificationHelper::SfxClassificationHelper(const uno::Reference<document::XDocumentProperties>& xDocumentProperties, bool bUseLocalizedPolicy)

    : m_pImpl(std::make_unique<Impl>(xDocumentProperties, bUseLocalizedPolicy))

{

    if (!xDocumentProperties.is())

        return;

    uno::Reference<beans::XPropertyContainer> xPropertyContainer = xDocumentProperties->getUserDefinedProperties();

    if (!xPropertyContainer.is())

        return;

    uno::Reference<beans::XPropertySet> xPropertySet(xPropertyContainer, uno::UNO_QUERY);

    const uno::Sequence<beans::Property> aProperties = xPropertySet->getPropertySetInfo()->getProperties();

    for (const beans::Property& rProperty : aProperties)

    {

        if (!rProperty.Name.startsWith("urn:bails:"))

            continue;

        uno::Any aAny = xPropertySet->getPropertyValue(rProperty.Name);

        OUString aValue;

        if (aAny >>= aValue)

        {

            SfxClassificationPolicyType eType = stringToPolicyType(rProperty.Name);

            OUString aPrefix = policyTypeToString(eType);

            if (!rProperty.Name.startsWith(aPrefix))

                // It's a prefix we did not recognize, ignore.

                continue;

            //TODO: Support abbreviated names(?)

            if (rProperty.Name == Concat2View(aPrefix + PROP_BACNAME()))

                m_pImpl->m_aCategory[eType].m_aName = aValue;

            else

                m_pImpl->m_aCategory[eType].m_aLabels[rProperty.Name] = aValue;

        }

    }

}

SfxClassificationHelper::~SfxClassificationHelper() = default;

std::vector<OUString> const & SfxClassificationHelper::GetMarkings() const

{

    return m_pImpl->m_aMarkings;

}

std::vector<OUString> const & SfxClassificationHelper::GetIntellectualPropertyParts() const

{

    return m_pImpl->m_aIPParts;

}

std::vector<OUString> const & SfxClassificationHelper::GetIntellectualPropertyPartNumbers() const

{

    return m_pImpl->m_aIPPartNumbers;

}

const OUString& SfxClassificationHelper::GetBACName(SfxClassificationPolicyType eType) const

{

    return m_pImpl->m_aCategory[eType].m_aName;

}

const OUString& SfxClassificationHelper::GetAbbreviatedBACName(const OUString& sFullName)

{

    for (const auto& category : m_pImpl->m_aCategories)

    {

        if (category.m_aName == sFullName)

            return category.m_aAbbreviatedName;

    }

    return sFullName;

}

OUString SfxClassificationHelper::GetBACNameForIdentifier(std::u16string_view sIdentifier)

{

    if (sIdentifier.empty())

        return u""_ustr;

    for (const auto& category : m_pImpl->m_aCategories)

    {

        if (category.m_aIdentifier == sIdentifier)

            return category.m_aName;

    }

    return u""_ustr;

}

OUString SfxClassificationHelper::GetHigherClass(const OUString& first, const OUString& second)

{

    size_t nFirstConfidentiality = 0;

    size_t nSecondConfidentiality = 0;

    for (const auto& category : m_pImpl->m_aCategories)

    {

        if (category.m_aName == first)

            nFirstConfidentiality = category.m_nConfidentiality;

        if (category.m_aName == second)

            nSecondConfidentiality = category.m_nConfidentiality;

    }

    return nFirstConfidentiality >= nSecondConfidentiality ? first : second;

}

bool SfxClassificationHelper::HasImpactLevel()

{

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return false;

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTSCALE());

    if (it == rCategory.m_aLabels.end())

        return false;

    it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTLEVEL());

    return it != rCategory.m_aLabels.end();

}

bool SfxClassificationHelper::HasDocumentHeader()

{

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return false;

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_DOCHEADER());

    return it != rCategory.m_aLabels.end() && !it->second.isEmpty();

}

bool SfxClassificationHelper::HasDocumentFooter()

{

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return false;

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_DOCFOOTER());

    return it != rCategory.m_aLabels.end() && !it->second.isEmpty();

}

InfobarType SfxClassificationHelper::GetImpactLevelType()

{

    InfobarType aRet;

    aRet = InfobarType::WARNING;

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return aRet;

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTSCALE());

    if (it == rCategory.m_aLabels.end())

        return aRet;

    OUString aScale = it->second;

    it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTLEVEL());

    if (it == rCategory.m_aLabels.end())

        return aRet;

    OUString aLevel = it->second;

    // The spec defines two valid scale values: FIPS-199 and UK-Cabinet.

    if (aScale == "UK-Cabinet")

    {

        if (aLevel == "0")

            aRet = InfobarType::SUCCESS;

        else if (aLevel == "1")

            aRet = InfobarType::WARNING;

        else if (aLevel == "2")

            aRet = InfobarType::WARNING;

        else if (aLevel == "3")

            aRet = InfobarType::DANGER;

    }

    else if (aScale == "FIPS-199")

    {

        if (aLevel == "Low")

            aRet = InfobarType::SUCCESS;

        else if (aLevel == "Moderate")

            aRet = InfobarType::WARNING;

        else if (aLevel == "High")

            aRet = InfobarType::DANGER;

    }

    return aRet;

}

sal_Int32 SfxClassificationHelper::GetImpactLevel()

{

    sal_Int32 nRet = -1;

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return nRet;

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTSCALE());

    if (it == rCategory.m_aLabels.end())

        return nRet;

    OUString aScale = it->second;

    it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTLEVEL());

    if (it == rCategory.m_aLabels.end())

        return nRet;

    OUString aLevel = it->second;

    if (aScale == "UK-Cabinet")

    {

        sal_Int32 nValue = aLevel.toInt32();

        if (nValue < 0 || nValue > 3)

            return nRet;

        nRet = nValue;

    }

    else if (aScale == "FIPS-199")

    {

        static auto constexpr aValues = frozen::make_unordered_map<std::u16string_view, sal_Int32>(

        {

            { u"Low", 0 },

            { u"Moderate", 1 },

            { u"High", 2 }

        });

        auto itValues = aValues.find(aLevel);

        if (itValues == aValues.end())

            return nRet;

        nRet = itValues->second;

    }

    return nRet;

}

OUString SfxClassificationHelper::GetImpactScale()

{

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return OUString();

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_IMPACTSCALE());

    if (it != rCategory.m_aLabels.end())

        return it->second;

    return OUString();

}

OUString SfxClassificationHelper::GetDocumentWatermark()

{

    auto itCategory = m_pImpl->m_aCategory.find(SfxClassificationPolicyType::IntellectualProperty);

    if (itCategory == m_pImpl->m_aCategory.end())

        return OUString();

    SfxClassificationCategory& rCategory = itCategory->second;

    auto it = rCategory.m_aLabels.find(PROP_PREFIX_INTELLECTUALPROPERTY() + PROP_DOCWATERMARK());

    if (it != rCategory.m_aLabels.end())

        return it->second;

    return OUString();

}

std::vector<OUString> SfxClassificationHelper::GetBACNames()

{

    if (m_pImpl->m_aCategories.empty())

        m_pImpl->parsePolicy();

    std::vector<OUString> aRet;

    std::transform(m_pImpl->m_aCategories.begin(), m_pImpl->m_aCategories.end(), std::back_inserter(aRet), [](const SfxClassificationCategory& rCategory)

    {

        return rCategory.m_aName;

    });

    return aRet;

}

std::vector<OUString> SfxClassificationHelper::GetBACIdentifiers()

{

    if (m_pImpl->m_aCategories.empty())

        m_pImpl->parsePolicy();

    std::vector<OUString> aRet;

    std::transform(m_pImpl->m_aCategories.begin(), m_pImpl->m_aCategories.end(), std::back_inserter(aRet), [](const SfxClassificationCategory& rCategory)

    {

        return rCategory.m_aIdentifier;

    });

    return aRet;

}

std::vector<OUString> SfxClassificationHelper::GetAbbreviatedBACNames()

{

    if (m_pImpl->m_aCategories.empty())

        m_pImpl->parsePolicy();

    std::vector<OUString> aRet;

    std::transform(m_pImpl->m_aCategories.begin(), m_pImpl->m_aCategories.end(), std::back_inserter(aRet), [](const SfxClassificationCategory& rCategory)

    {

        return rCategory.m_aAbbreviatedName;

    });

    return aRet;

}

void SfxClassificationHelper::SetBACName(const OUString& rName, SfxClassificationPolicyType eType)

{

    if (m_pImpl->m_aCategories.empty())

        m_pImpl->parsePolicy();

    auto it = std::find_if(m_pImpl->m_aCategories.begin(), m_pImpl->m_aCategories.end(), [&](const SfxClassificationCategory& rCategory)

    {

        return rCategory.m_aName == rName;

    });

    if (it == m_pImpl->m_aCategories.end())

    {

        SAL_WARN("sfx.view", "'" << rName << "' is not a recognized category name");

        return;

    }

    m_pImpl->m_aCategory[eType].m_aName = it->m_aName;

    m_pImpl->m_aCategory[eType].m_aAbbreviatedName = it->m_aAbbreviatedName;

    m_pImpl->m_aCategory[eType].m_nConfidentiality = it->m_nConfidentiality;

    m_pImpl->m_aCategory[eType].m_aLabels.clear();

    const OUString& rPrefix = policyTypeToString(eType);

    for (const auto& rLabel : it->m_aLabels)

        m_pImpl->m_aCategory[eType].m_aLabels[rPrefix + rLabel.first] = rLabel.second;

    m_pImpl->setStartValidity(eType);

    m_pImpl->pushToDocumentProperties();

    SfxViewFrame* pViewFrame = SfxViewFrame::Current();

    if (!pViewFrame)

        return;

    UpdateInfobar(*pViewFrame);

}

void SfxClassificationHelper::UpdateInfobar(SfxViewFrame& rViewFrame)

{

    OUString aBACName = GetBACName(SfxClassificationPolicyType::IntellectualProperty);

    bool bImpactLevel = HasImpactLevel();

    if (!aBACName.isEmpty() && bImpactLevel)

    {

        OUString aMessage = SfxResId(STR_CLASSIFIED_DOCUMENT);

        aMessage = aMessage.replaceFirst("%1", aBACName);

        rViewFrame.RemoveInfoBar(u"classification");

        rViewFrame.AppendInfoBar(u"classification"_ustr, u""_ustr, aMessage, GetImpactLevelType());

    }

}

SfxClassificationPolicyType SfxClassificationHelper::stringToPolicyType(std::u16string_view rType)

{

    if (o3tl::starts_with(rType, PROP_PREFIX_EXPORTCONTROL()))