Write ScOoxPasswordHash to OOXML if set, tdf#104250 prep

Change-Id: I51996c673e6c44bbfc27972800d78d9807fe67db

sc/inc/tabprotection.hxx

@@ -85,6 +85,7 @@ public:
     virtual void setPassword(const OUString& aPassText) = 0;
     virtual css::uno::Sequence<sal_Int8> getPasswordHash(
         ScPasswordHash eHash, ScPasswordHash eHas2 = PASSHASH_UNSPECIFIED) const = 0;
+    virtual const ScOoxPasswordHash& getPasswordHash() const = 0;
     virtual void setPasswordHash(
         const css::uno::Sequence<sal_Int8>& aPassword,
         ScPasswordHash eHash, ScPasswordHash eHash2 = PASSHASH_UNSPECIFIED) = 0;
@@ -116,6 +117,7 @@ public:
     virtual void setPassword(const OUString& aPassText) override;
     virtual css::uno::Sequence<sal_Int8> getPasswordHash(
         ScPasswordHash eHash, ScPasswordHash eHash2 = PASSHASH_UNSPECIFIED) const override;
+    virtual const ScOoxPasswordHash& getPasswordHash() const override;
     virtual void setPasswordHash(
         const css::uno::Sequence<sal_Int8>& aPassword,
         ScPasswordHash eHash, ScPasswordHash eHash2 = PASSHASH_UNSPECIFIED) override;
@@ -199,6 +201,7 @@ public:
     virtual void setPassword(const OUString& aPassText) override;
     virtual css::uno::Sequence<sal_Int8> getPasswordHash(
         ScPasswordHash eHash, ScPasswordHash eHash2 = PASSHASH_UNSPECIFIED) const override;
+    virtual const ScOoxPasswordHash& getPasswordHash() const override;
     virtual void setPasswordHash(
         const css::uno::Sequence<sal_Int8>& aPassword,
         ScPasswordHash eHash, ScPasswordHash eHash2 = PASSHASH_UNSPECIFIED) override;

sc/source/core/data/tabprotection.cxx

@@ -124,6 +124,7 @@ public:
     void setPassword(const OUString& aPassText);
     css::uno::Sequence<sal_Int8> getPasswordHash(
         ScPasswordHash eHash, ScPasswordHash eHash2) const;
+    const ScOoxPasswordHash& getPasswordHash() const;
     void setPasswordHash(
         const css::uno::Sequence<sal_Int8>& aPassword,
         ScPasswordHash eHash, ScPasswordHash eHash2);
@@ -311,6 +312,11 @@ Sequence<sal_Int8> ScTableProtectionImpl::getPasswordHash(
     return Sequence<sal_Int8>();
 }
 
+const ScOoxPasswordHash& ScTableProtectionImpl::getPasswordHash() const
+{
+    return maPasswordHash;
+}
+
 void ScTableProtectionImpl::setPasswordHash(
     const uno::Sequence<sal_Int8>& aPassword, ScPasswordHash eHash, ScPasswordHash eHash2)
 {
@@ -586,6 +592,11 @@ uno::Sequence<sal_Int8> ScDocProtection::getPasswordHash(ScPasswordHash eHash, S
     return mpImpl->getPasswordHash(eHash, eHash2);
 }
 
+const ScOoxPasswordHash& ScDocProtection::getPasswordHash() const
+{
+    return mpImpl->getPasswordHash();
+}
+
 void ScDocProtection::setPasswordHash(
     const uno::Sequence<sal_Int8>& aPassword, ScPasswordHash eHash, ScPasswordHash eHash2)
 {
@@ -666,6 +677,11 @@ Sequence<sal_Int8> ScTableProtection::getPasswordHash(ScPasswordHash eHash, ScPa
     return mpImpl->getPasswordHash(eHash, eHash2);
 }
 
+const ScOoxPasswordHash& ScTableProtection::getPasswordHash() const
+{
+    return mpImpl->getPasswordHash();
+}
+
 void ScTableProtection::setPasswordHash(
     const uno::Sequence<sal_Int8>& aPassword, ScPasswordHash eHash, ScPasswordHash eHash2)
 {

sc/source/filter/excel/excrecds.cxx

@@ -469,6 +469,12 @@ void XclExpSheetProtection::SaveXml( XclExpXmlStream& rStrm )
    const ScTableProtection* pTabProtect = rDoc.GetTabProtection(mnTab);
    if ( pTabProtect )
    {
+        const ScOoxPasswordHash& rPH = pTabProtect->getPasswordHash();
+        // Do not write any hash attributes if there is no password.
+        ScOoxPasswordHash aPH;
+        if (rPH.hasPassword())
+            aPH = rPH;
+
         Sequence<sal_Int8> aHash = pTabProtect->getPasswordHash(PASSHASH_XL);
         OString sHash;
         if (aHash.getLength() >= 2)
@@ -480,6 +486,10 @@ void XclExpSheetProtection::SaveXml( XclExpXmlStream& rStrm )
         }
         sax_fastparser::FSHelperPtr& rWorksheet = rStrm.GetCurrentStream();
         rWorksheet->singleElement( XML_sheetProtection,
+            XML_algorithmName, aPH.maAlgorithmName.isEmpty() ? nullptr : XclXmlUtils::ToOString( aPH.maAlgorithmName).getStr(),
+            XML_hashValue, aPH.maHashValue.isEmpty() ? nullptr : XclXmlUtils::ToOString( aPH.maHashValue).getStr(),
+            XML_saltValue, aPH.maSaltValue.isEmpty() ? nullptr : XclXmlUtils::ToOString( aPH.maSaltValue).getStr(),
+            XML_spinCount, aPH.mnSpinCount ? OString::number( aPH.mnSpinCount).getStr() : nullptr,
             XML_sheet,  ToPsz( true ),
             XML_password, sHash.isEmpty()? nullptr : sHash.getStr(),
             XML_objects, pTabProtect->isOptionEnabled( ScTableProtection::OBJECTS ) ? nullptr : ToPsz( true ),