oox: encryption/decryption test for Standard2007Engine

Change-Id: I8de25182c40004edffad4452179f191a75f130d9
Reviewed-on: https://gerrit.libreoffice.org/56300
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

5 files changed, 186 insertions, 4 deletions

diff --git a/include/oox/crypto/Standard2007Engine.hxx b/include/oox/crypto/Standard2007Engine.hxx
index 40aba8137161..ea92c4b5df51 100644
--- a/include/oox/crypto/Standard2007Engine.hxx
+++ b/include/oox/crypto/Standard2007Engine.hxx
@@ -11,8 +11,9 @@
 #ifndef INCLUDED_OOX_CRYPTO_STANDARD2007ENGINE_HXX
 #define INCLUDED_OOX_CRYPTO_STANDARD2007ENGINE_HXX
 
-#include <filter/msfilter/mscodec.hxx>
+#include <oox/dllapi.h>
 #include <oox/crypto/CryptoEngine.hxx>
+#include <filter/msfilter/mscodec.hxx>
 #include <rtl/digest.h>
 #include <rtl/ustring.hxx>
 #include <sal/types.h>
@@ -25,7 +26,7 @@ namespace oox {
 namespace oox {
 namespace core {
 
-class Standard2007Engine : public CryptoEngine
+class OOX_DLLPUBLIC Standard2007Engine : public CryptoEngine
 {
     msfilter::StandardEncryptionInfo mInfo;
 
diff --git a/include/oox/helper/binaryoutputstream.hxx b/include/oox/helper/binaryoutputstream.hxx
index fe0ce9ae34c5..7041131d81e3 100644
--- a/include/oox/helper/binaryoutputstream.hxx
+++ b/include/oox/helper/binaryoutputstream.hxx
@@ -42,7 +42,7 @@ namespace oox {
 
     The binary data in the stream is written in little-endian format.
  */
-class BinaryOutputStream : public virtual BinaryStreamBase
+class OOX_DLLPUBLIC BinaryOutputStream : public virtual BinaryStreamBase
 {
 public:
     /** Derived classes implement writing the contents of the passed data
@@ -125,7 +125,7 @@ void BinaryOutputStream::writeValue( Type nValue )
 
     The binary data in the stream is written in little-endian format.
  */
-class BinaryXOutputStream : public BinaryXSeekableStream, public BinaryOutputStream
+class OOX_DLLPUBLIC BinaryXOutputStream : public BinaryXSeekableStream, public BinaryOutputStream
 {
 public:
     /** Constructs the wrapper object for the passed output stream.
diff --git a/oox/CppunitTest_oox_crypto.mk b/oox/CppunitTest_oox_crypto.mk
new file mode 100644
index 000000000000..64fd4df490b5
--- /dev/null
+++ b/oox/CppunitTest_oox_crypto.mk
@@ -0,0 +1,74 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#
+#
+# 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/.
+#
+
+$(eval $(call gb_CppunitTest_CppunitTest,oox_crypto))
+
+$(eval $(call gb_CppunitTest_add_exception_objects,oox_crypto,\
+    oox/qa/unit/CryptoTest \
+))
+
+$(eval $(call gb_CppunitTest_use_sdk_api,oox_crypto))
+
+$(eval $(call gb_CppunitTest_use_libraries,oox_crypto,\
+    basegfx \
+    comphelper \
+    cppu \
+    cppuhelper \
+    editeng \
+    drawinglayer \
+    msfilter \
+    sal \
+    oox \
+    sax \
+    sfx \
+    svl \
+    svt \
+    svx \
+    svxcore \
+    sot \
+    tl \
+    unotest \
+    utl \
+    vcl \
+    xo \
+    xmlscript \
+))
+
+$(eval $(call gb_CppunitTest_use_api,oox_crypto,\
+    offapi \
+    udkapi \
+))
+
+$(eval $(call gb_CppunitTest_use_ure,oox_crypto))
+$(eval $(call gb_CppunitTest_use_vcl,oox_crypto))
+$(eval $(call gb_CppunitTest_use_configuration,oox_crypto))
+
+$(eval $(call gb_CppunitTest_use_components,oox_crypto,\
+    comphelper/util/comphelp \
+    configmgr/source/configmgr \
+    filter/source/config/cache/filterconfig1 \
+    filter/source/storagefilterdetect/storagefd \
+    i18npool/util/i18npool \
+    package/source/xstor/xstor \
+    package/util/package2 \
+    sfx2/util/sfx \
+    sot/util/sot \
+    svl/source/fsstor/fsstorage \
+    svtools/util/svt \
+    ucb/source/core/ucb1 \
+    ucb/source/ucp/file/ucpfile1 \
+    ucb/source/ucp/tdoc/ucptdoc1 \
+    unotools/util/utl \
+    uui/util/uui \
+    vcl/vcl.common \
+))
+
+
+# vim: set noet sw=4 ts=4:
diff --git a/oox/Module_oox.mk b/oox/Module_oox.mk
index 4d7a79e3d60c..db79a0f8e093 100644
--- a/oox/Module_oox.mk
+++ b/oox/Module_oox.mk
@@ -20,6 +20,7 @@ $(eval $(call gb_Module_add_check_targets,oox,\
 	CppunitTest_oox_tokenmap \
 	CppunitTest_oox_vba_compression \
 	CppunitTest_oox_vba_encryption \
+	CppunitTest_oox_crypto \
 ))
 
 # vim: set noet sw=4 ts=4:
diff --git a/oox/qa/unit/CryptoTest.cxx b/oox/qa/unit/CryptoTest.cxx
new file mode 100644
index 000000000000..efe3e0cb5d6e
--- /dev/null
+++ b/oox/qa/unit/CryptoTest.cxx
@@ -0,0 +1,106 @@
+/* -*- 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 <cppunit/plugin/TestPlugIn.h>
+#include <cppunit/extensions/HelperMacros.h>
+#include <cppunit/TestFixture.h>
+
+#include <algorithm>
+#include <tools/stream.hxx>
+#include <unotools/streamwrap.hxx>
+
+#include <oox/crypto/Standard2007Engine.hxx>
+#include <oox/helper/binaryinputstream.hxx>
+#include <oox/helper/binaryoutputstream.hxx>
+
+using namespace css;
+
+class CryptoTest : public CppUnit::TestFixture
+{
+public:
+    void testStandard2007();
+
+    CPPUNIT_TEST_SUITE(CryptoTest);
+    CPPUNIT_TEST(testStandard2007);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void CryptoTest::testStandard2007()
+{
+    oox::core::Standard2007Engine aEngine;
+    {
+        SvMemoryStream aEncryptionInfo;
+        oox::BinaryXOutputStream aBinaryEncryptionInfoOutputStream(
+            new utl::OSeekableOutputStreamWrapper(aEncryptionInfo), false);
+
+        aEngine.writeEncryptionInfo("Password", aBinaryEncryptionInfoOutputStream);
+        aBinaryEncryptionInfoOutputStream.close();
+
+        CPPUNIT_ASSERT_EQUAL(sal_uInt64(224), aEncryptionInfo.GetSize());
+    }
+
+    SvMemoryStream aUnencryptedInput;
+    SvMemoryStream aEncryptedStream;
+
+    OString aTestString = OUStringToOString("1234567890ABCDEFG", RTL_TEXTENCODING_UTF8);
+
+    aUnencryptedInput.WriteOString(aTestString);
+    aUnencryptedInput.Seek(STREAM_SEEK_TO_BEGIN);
+
+    {
+        oox::BinaryXInputStream aBinaryInputStream(
+            new utl::OSeekableInputStreamWrapper(aUnencryptedInput), true);
+        oox::BinaryXOutputStream aBinaryOutputStream(
+            new utl::OSeekableOutputStreamWrapper(aEncryptedStream), true);
+
+        aEncryptedStream.WriteUInt32(aUnencryptedInput.GetSize());
+        aEncryptedStream.WriteUInt32(0U);
+
+        aEngine.encrypt(aBinaryInputStream, aBinaryOutputStream);
+        aBinaryOutputStream.close();
+        aBinaryInputStream.close();
+
+        const sal_uInt8* pData = static_cast<const sal_uInt8*>(aEncryptedStream.GetData());
+        sal_uInt64 nSize = aEncryptedStream.GetSize();
+
+        std::vector<sal_uInt8> aData(nSize);
+        std::copy(pData, pData + nSize, aData.data());
+
+        CPPUNIT_ASSERT_EQUAL(sal_uInt64(40), nSize);
+    }
+
+    aEncryptedStream.Seek(STREAM_SEEK_TO_BEGIN);
+    SvMemoryStream aUnencryptedOutput;
+
+    {
+        oox::BinaryXInputStream aBinaryInputStream(
+            new utl::OSeekableInputStreamWrapper(aEncryptedStream), true);
+        oox::BinaryXOutputStream aBinaryOutputStream(
+            new utl::OSeekableOutputStreamWrapper(aUnencryptedOutput), true);
+
+        aEngine.decrypt(aBinaryInputStream, aBinaryOutputStream);
+        aBinaryOutputStream.close();
+        aBinaryInputStream.close();
+
+        const sal_Char* pData = static_cast<const sal_Char*>(aUnencryptedOutput.GetData());
+        sal_uInt64 nSize = aUnencryptedOutput.GetSize();
+
+        CPPUNIT_ASSERT_EQUAL(sal_uInt64(32), nSize);
+
+        OString aString(pData);
+
+        CPPUNIT_ASSERT_EQUAL(aTestString, aString);
+    }
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(CryptoTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */