1 files changed, 59 insertions, 0 deletions
diff --git a/sfx2/source/doc/signaturestate.cxx b/sfx2/source/doc/signaturestate.cxx
new file mode 100644
index 000000000000..d511fa31afed
--- /dev/null
+++ b/sfx2/source/doc/signaturestate.cxx
@@ -0,0 +1,59 @@
+/* -*- 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/.
+ */
+
+#include <sfx2/signaturestate.hxx>
+
+#include <com/sun/star/security/CertificateValidity.hpp>
+#include <com/sun/star/security/DocumentSignatureInformation.hpp>
+
+using namespace css;
+
+namespace DocumentSignatures
+{
+SignatureState
+getSignatureState(const uno::Sequence<security::DocumentSignatureInformation>& aSigInfo)
+{
+    bool bCertValid = true;
+    SignatureState nResult = SignatureState::NOSIGNATURES;
+    bool bCompleteSignature = true;
+    if (!aSigInfo.hasElements())
+        return nResult;
+
+    nResult = SignatureState::OK;
+    for (const auto& rInfo : aSigInfo)
+    {
+        if (bCertValid)
+        {
+            sal_Int32 nCertStat = rInfo.CertificateStatus;
+            bCertValid = nCertStat == security::CertificateValidity::VALID;
+        }
+
+        if (!rInfo.SignatureIsValid)
+        {
+            nResult = SignatureState::BROKEN;
+            break;
+        }
+        bCompleteSignature &= !rInfo.PartialDocumentSignature;
+    }
+
+    if (nResult == SignatureState::OK && !bCertValid && !bCompleteSignature)
+        nResult = SignatureState::NOTVALIDATED_PARTIAL_OK;
+    else if (nResult == SignatureState::OK && !bCertValid)
+        nResult = SignatureState::NOTVALIDATED;
+    else if (nResult == SignatureState::OK && bCertValid && !bCompleteSignature)
+        nResult = SignatureState::PARTIAL_OK;
+
+    // this code must not check whether the document is modified
+    // it should only check the provided info
+
+    return nResult;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */