xmlsecurity: write initial OOXML signature streams

It's just the root element so far.

Change-Id: If32e9e5bf339f639a20fa88d85e826e14f65dac2

3 files changed, 26 insertions, 0 deletions

diff --git a/xmlsecurity/inc/xmlsecurity/xmlsignaturehelper.hxx b/xmlsecurity/inc/xmlsecurity/xmlsignaturehelper.hxx
index a7947ed8dade..031c4b0263f1 100644
--- a/xmlsecurity/inc/xmlsecurity/xmlsignaturehelper.hxx
+++ b/xmlsecurity/inc/xmlsecurity/xmlsignaturehelper.hxx
@@ -186,6 +186,8 @@ public:
     void EnsureSignaturesRelation(css::uno::Reference<css::embed::XStorage> xStorage);
     /// Given that xStorage is an OOXML _xmlsignatures storage, create origin.sigs and its relations.
     void ExportSignatureRelations(css::uno::Reference<css::embed::XStorage> xStorage, int nSignatureCount);
+    /// Given that xStorage is an OOXML _xmlsignatures storage, create and write a new signature.
+    bool CreateAndWriteOOXMLSignature(css::uno::Reference<css::embed::XStorage> xStorage, int nSignatureIndex);
 };
 
 #endif // INCLUDED_XMLSECURITY_INC_XMLSECURITY_XMLSIGNATUREHELPER_HXX
diff --git a/xmlsecurity/source/dialogs/digitalsignaturesdialog.cxx b/xmlsecurity/source/dialogs/digitalsignaturesdialog.cxx
index fa3f37734379..58fb01f86a13 100644
--- a/xmlsecurity/source/dialogs/digitalsignaturesdialog.cxx
+++ b/xmlsecurity/source/dialogs/digitalsignaturesdialog.cxx
@@ -522,6 +522,9 @@ IMPL_LINK_NOARG_TYPED(DigitalSignaturesDialog, AddButtonHdl, Button*, void)
                 int nSignatureCount = maCurrentSignatureInformations.size() + 1;
                 maSignatureHelper.ExportSignatureRelations(aStreamHelper.xSignatureStorage, nSignatureCount);
 
+                // Create a new signature.
+                maSignatureHelper.CreateAndWriteOOXMLSignature(aStreamHelper.xSignatureStorage, nSignatureCount);
+
                 // Flush objects.
                 uno::Reference<embed::XTransactedObject> xTransact(aStreamHelper.xSignatureStorage, uno::UNO_QUERY);
                 xTransact->commit();
diff --git a/xmlsecurity/source/helper/xmlsignaturehelper.cxx b/xmlsecurity/source/helper/xmlsignaturehelper.cxx
index 43afcdcfd55b..bea6ed7ffbdb 100644
--- a/xmlsecurity/source/helper/xmlsignaturehelper.cxx
+++ b/xmlsecurity/source/helper/xmlsignaturehelper.cxx
@@ -492,4 +492,25 @@ void XMLSignatureHelper::ExportSignatureRelations(css::uno::Reference<css::embed
     xTransact->commit();
 }
 
+bool XMLSignatureHelper::CreateAndWriteOOXMLSignature(css::uno::Reference<css::embed::XStorage> xStorage, int nSignatureIndex)
+{
+    sal_Int32 nOpenMode = embed::ElementModes::READWRITE;
+    uno::Reference<io::XOutputStream> xOutputStream(xStorage->openStreamElement("sig" + OUString::number(nSignatureIndex) + ".xml", nOpenMode), uno::UNO_QUERY);
+    uno::Reference<xml::sax::XWriter> xSaxWriter = xml::sax::Writer::create(mxCtx);
+    xSaxWriter->setOutputStream(xOutputStream);
+    xSaxWriter->startDocument();
+
+    SvXMLAttributeList* pAttributeList = new SvXMLAttributeList();
+    pAttributeList->AddAttribute(ATTR_XMLNS, NS_XMLDSIG);
+    pAttributeList->AddAttribute(ATTR_ID, "idPackageSignature");
+    xSaxWriter->startElement(TAG_SIGNATURE, uno::Reference<xml::sax::XAttributeList>(pAttributeList));
+
+    mbError = false;
+
+    xSaxWriter->endElement(TAG_SIGNATURE);
+    xSaxWriter->endDocument();
+
+    return !mbError;
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */