7cd27b4461
Change-Id: I2a422f921739adf81131082d57ab7601dfb46d8e Reviewed-on: https://gerrit.libreoffice.org/c/core/+/158147 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2504 lines
83 KiB
C++
2504 lines
83 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include <sal/config.h>
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#include <rtl/ustring.hxx>
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#include <rtl/bootstrap.hxx>
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#include <sal/log.hxx>
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#include <osl/file.hxx>
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#include <comphelper/backupfilehelper.hxx>
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#include <comphelper/DirectoryHelper.hxx>
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#include <rtl/crc.h>
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#include <algorithm>
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#include <deque>
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#include <memory>
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#include <string_view>
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#include <utility>
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#include <vector>
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#include <zlib.h>
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#include <comphelper/processfactory.hxx>
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#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
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#include <com/sun/star/ucb/CommandAbortedException.hpp>
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#include <com/sun/star/ucb/CommandFailedException.hpp>
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#include <com/sun/star/uno/Sequence.hxx>
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/deployment/DeploymentException.hpp>
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#include <com/sun/star/deployment/ExtensionManager.hpp>
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#include <com/sun/star/xml/dom/XDocumentBuilder.hpp>
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#include <com/sun/star/xml/dom/DocumentBuilder.hpp>
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#include <com/sun/star/xml/dom/XElement.hpp>
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#include <com/sun/star/xml/dom/XNodeList.hpp>
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#include <com/sun/star/xml/dom/XText.hpp>
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#include <com/sun/star/xml/sax/XSAXSerializable.hpp>
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#include <com/sun/star/xml/sax/Writer.hpp>
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#include <com/sun/star/xml/sax/XWriter.hpp>
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#include <com/sun/star/io/XStream.hpp>
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#include <com/sun/star/io/TempFile.hpp>
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#include <com/sun/star/io/XOutputStream.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <cppuhelper/exc_hlp.hxx>
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using namespace comphelper;
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using namespace css;
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using namespace css::xml::dom;
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const sal_uInt32 BACKUP_FILE_HELPER_BLOCK_SIZE = 16384;
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namespace
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{
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typedef std::shared_ptr< osl::File > FileSharedPtr;
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sal_uInt32 createCrc32(FileSharedPtr const & rCandidate, sal_uInt32 nOffset)
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{
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sal_uInt32 nCrc32(0);
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if (rCandidate && osl::File::E_None == rCandidate->open(osl_File_OpenFlag_Read))
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{
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sal_uInt8 aArray[BACKUP_FILE_HELPER_BLOCK_SIZE];
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sal_uInt64 nBytesTransfer(0);
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sal_uInt64 nSize(0);
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rCandidate->getSize(nSize);
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// set offset in source file - should be zero due to crc32 should
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// only be needed to be created for new entries, gets loaded with old
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// ones
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if (osl::File::E_None == rCandidate->setPos(osl_Pos_Absolut, sal_Int64(nOffset)))
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{
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while (nSize != 0)
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{
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const sal_uInt64 nToTransfer(std::min(nSize, sal_uInt64(BACKUP_FILE_HELPER_BLOCK_SIZE)));
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if (osl::File::E_None == rCandidate->read(static_cast<void*>(aArray), nToTransfer, nBytesTransfer) && nBytesTransfer == nToTransfer)
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{
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// add to crc and reduce size
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nCrc32 = rtl_crc32(nCrc32, static_cast<void*>(aArray), static_cast<sal_uInt32>(nBytesTransfer));
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nSize -= nToTransfer;
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}
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else
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{
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// error - reset to zero again
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nSize = nCrc32 = 0;
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}
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}
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}
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rCandidate->close();
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}
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return nCrc32;
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}
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bool read_sal_uInt32(FileSharedPtr const & rFile, sal_uInt32& rTarget)
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{
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sal_uInt8 aArray[4];
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sal_uInt64 nBaseRead(0);
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// read rTarget
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if (osl::File::E_None == rFile->read(static_cast<void*>(aArray), 4, nBaseRead) && 4 == nBaseRead)
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{
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rTarget = (sal_uInt32(aArray[0]) << 24) + (sal_uInt32(aArray[1]) << 16) + (sal_uInt32(aArray[2]) << 8) + sal_uInt32(aArray[3]);
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return true;
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}
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return false;
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}
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bool write_sal_uInt32(oslFileHandle& rHandle, sal_uInt32 nSource)
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{
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sal_uInt8 aArray[4];
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sal_uInt64 nBaseWritten(0);
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// write nSource
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aArray[0] = sal_uInt8((nSource & 0xff000000) >> 24);
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aArray[1] = sal_uInt8((nSource & 0x00ff0000) >> 16);
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aArray[2] = sal_uInt8((nSource & 0x0000ff00) >> 8);
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aArray[3] = sal_uInt8(nSource & 0x000000ff);
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return osl_File_E_None == osl_writeFile(rHandle, static_cast<const void*>(aArray), 4, &nBaseWritten) && 4 == nBaseWritten;
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}
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bool read_OString(FileSharedPtr const & rFile, OString& rTarget)
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{
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sal_uInt32 nLength(0);
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if (!read_sal_uInt32(rFile, nLength))
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{
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return false;
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}
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sal_uInt64 nPos;
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if (osl::File::E_None != rFile->getPos(nPos))
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return false;
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sal_uInt64 nSize;
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if (osl::File::E_None != rFile->getSize(nSize))
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return false;
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const auto nRemainingSize = nSize - nPos;
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if (nLength > nRemainingSize)
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return false;
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std::vector<char> aTarget(nLength);
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sal_uInt64 nBaseRead(0);
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// read rTarget
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if (osl::File::E_None == rFile->read(static_cast<void*>(aTarget.data()), nLength, nBaseRead) && nLength == nBaseRead)
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{
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rTarget = OString(aTarget.data(), static_cast<sal_Int32>(nBaseRead));
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return true;
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}
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return false;
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}
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bool write_OString(oslFileHandle& rHandle, const OString& rSource)
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{
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const sal_uInt32 nLength(rSource.getLength());
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if (!write_sal_uInt32(rHandle, nLength))
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{
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return false;
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}
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sal_uInt64 nBaseWritten(0);
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return osl_File_E_None == osl_writeFile(rHandle, static_cast<const void*>(rSource.getStr()), nLength, &nBaseWritten) && nLength == nBaseWritten;
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}
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OUString createFileURL(
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std::u16string_view rURL, std::u16string_view rName, std::u16string_view rExt)
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{
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OUString aRetval;
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if (!rURL.empty() && !rName.empty())
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{
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aRetval = OUString::Concat(rURL) + "/" + rName;
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if (!rExt.empty())
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{
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aRetval += OUString::Concat(".") + rExt;
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}
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}
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return aRetval;
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}
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OUString createPackURL(std::u16string_view rURL, std::u16string_view rName)
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{
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OUString aRetval;
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if (!rURL.empty() && !rName.empty())
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{
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aRetval = OUString::Concat(rURL) + "/" + rName + ".pack";
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}
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return aRetval;
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}
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}
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namespace
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{
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enum PackageRepository { USER, SHARED, BUNDLED };
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class ExtensionInfoEntry
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{
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private:
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OString maName; // extension name
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PackageRepository maRepository; // user|shared|bundled
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bool mbEnabled; // state
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public:
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ExtensionInfoEntry()
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: maRepository(USER),
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mbEnabled(false)
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{
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}
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ExtensionInfoEntry(OString aName, bool bEnabled)
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: maName(std::move(aName)),
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maRepository(USER),
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mbEnabled(bEnabled)
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{
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}
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ExtensionInfoEntry(const uno::Reference< deployment::XPackage >& rxPackage)
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: maName(OUStringToOString(rxPackage->getName(), RTL_TEXTENCODING_ASCII_US)),
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maRepository(USER),
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mbEnabled(false)
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{
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// check maRepository
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const OString aRepName(OUStringToOString(rxPackage->getRepositoryName(), RTL_TEXTENCODING_ASCII_US));
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if (aRepName == "shared")
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{
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maRepository = SHARED;
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}
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else if (aRepName == "bundled")
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{
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maRepository = BUNDLED;
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}
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// check mbEnabled
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const beans::Optional< beans::Ambiguous< sal_Bool > > option(
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rxPackage->isRegistered(uno::Reference< task::XAbortChannel >(),
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uno::Reference< ucb::XCommandEnvironment >()));
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if (option.IsPresent)
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{
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::beans::Ambiguous< sal_Bool > const& reg = option.Value;
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if (!reg.IsAmbiguous)
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{
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mbEnabled = reg.Value;
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}
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}
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}
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bool isSameExtension(const ExtensionInfoEntry& rComp) const
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{
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return (maRepository == rComp.maRepository && maName == rComp.maName);
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}
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bool operator<(const ExtensionInfoEntry& rComp) const
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{
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if (maRepository == rComp.maRepository)
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{
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if (maName == rComp.maName)
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{
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return mbEnabled < rComp.mbEnabled;
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}
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else
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{
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return 0 > maName.compareTo(rComp.maName);
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}
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}
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else
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{
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return maRepository < rComp.maRepository;
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}
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}
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bool read_entry(FileSharedPtr const & rFile)
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{
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// read maName
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if (!read_OString(rFile, maName))
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{
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return false;
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}
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// read maRepository
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sal_uInt32 nState(0);
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if (read_sal_uInt32(rFile, nState))
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{
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maRepository = static_cast< PackageRepository >(nState);
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}
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else
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{
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return false;
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}
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// read mbEnabled
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if (read_sal_uInt32(rFile, nState))
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{
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mbEnabled = static_cast< bool >(nState);
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}
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else
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{
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return false;
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}
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return true;
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}
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bool write_entry(oslFileHandle& rHandle) const
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{
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// write maName;
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if (!write_OString(rHandle, maName))
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{
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return false;
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}
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// write maRepository
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sal_uInt32 nState(maRepository);
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if (!write_sal_uInt32(rHandle, nState))
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{
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return false;
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}
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// write mbEnabled
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nState = static_cast< sal_uInt32 >(mbEnabled);
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return write_sal_uInt32(rHandle, nState);
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}
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const OString& getName() const
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{
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return maName;
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}
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bool isEnabled() const
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{
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return mbEnabled;
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}
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};
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typedef std::vector< ExtensionInfoEntry > ExtensionInfoEntryVector;
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constexpr OUString gaRegPath { u"/registry/com.sun.star.comp.deployment.bundle.PackageRegistryBackend/backenddb.xml"_ustr };
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class ExtensionInfo
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{
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private:
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ExtensionInfoEntryVector maEntries;
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public:
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ExtensionInfo()
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{
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}
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const ExtensionInfoEntryVector& getExtensionInfoEntryVector() const
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{
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return maEntries;
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}
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void reset()
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{
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// clear all data
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maEntries.clear();
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}
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void createUsingXExtensionManager()
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{
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// clear all data
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reset();
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// create content from current extension configuration
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uno::Sequence< uno::Sequence< uno::Reference< deployment::XPackage > > > xAllPackages;
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uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
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uno::Reference< deployment::XExtensionManager > m_xExtensionManager = deployment::ExtensionManager::get(xContext);
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try
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{
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xAllPackages = m_xExtensionManager->getAllExtensions(uno::Reference< task::XAbortChannel >(),
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uno::Reference< ucb::XCommandEnvironment >());
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}
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catch (const deployment::DeploymentException &)
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{
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return;
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}
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catch (const ucb::CommandFailedException &)
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{
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return;
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}
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catch (const ucb::CommandAbortedException &)
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{
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return;
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}
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catch (const lang::IllegalArgumentException & e)
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{
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css::uno::Any anyEx = cppu::getCaughtException();
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throw css::lang::WrappedTargetRuntimeException( e.Message,
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e.Context, anyEx );
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}
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for (const uno::Sequence< uno::Reference< deployment::XPackage > > & xPackageList : std::as_const(xAllPackages))
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{
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for (const uno::Reference< deployment::XPackage > & xPackage : xPackageList)
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{
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if (xPackage.is())
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{
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maEntries.emplace_back(xPackage);
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}
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}
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}
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if (!maEntries.empty())
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{
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// sort the list
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std::sort(maEntries.begin(), maEntries.end());
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}
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}
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private:
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void visitNodesXMLRead(const uno::Reference< xml::dom::XElement >& rElement)
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{
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if (!rElement.is())
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return;
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const OUString aTagName(rElement->getTagName());
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if (aTagName == "extension")
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{
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OUString aAttrUrl(rElement->getAttribute("url"));
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const OUString aAttrRevoked(rElement->getAttribute("revoked"));
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if (!aAttrUrl.isEmpty())
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{
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const sal_Int32 nIndex(aAttrUrl.lastIndexOf('/'));
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if (nIndex > 0 && aAttrUrl.getLength() > nIndex + 1)
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{
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aAttrUrl = aAttrUrl.copy(nIndex + 1);
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}
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const bool bEnabled(aAttrRevoked.isEmpty() || !aAttrRevoked.toBoolean());
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maEntries.emplace_back(
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OUStringToOString(aAttrUrl, RTL_TEXTENCODING_ASCII_US),
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bEnabled);
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}
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}
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else
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{
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uno::Reference< xml::dom::XNodeList > aList = rElement->getChildNodes();
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if (aList.is())
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{
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const sal_Int32 nLength(aList->getLength());
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for (sal_Int32 a(0); a < nLength; a++)
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{
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const uno::Reference< xml::dom::XElement > aChild(aList->item(a), uno::UNO_QUERY);
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if (aChild.is())
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{
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visitNodesXMLRead(aChild);
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}
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}
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}
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}
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}
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public:
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void createUserExtensionRegistryEntriesFromXML(std::u16string_view rUserConfigWorkURL)
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{
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const OUString aPath(
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OUString::Concat(rUserConfigWorkURL) + "/uno_packages/cache" + gaRegPath);
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createExtensionRegistryEntriesFromXML(aPath);
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}
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void createSharedExtensionRegistryEntriesFromXML(std::u16string_view rUserConfigWorkURL)
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{
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const OUString aPath(
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OUString::Concat(rUserConfigWorkURL) + "/extensions/shared" + gaRegPath);
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createExtensionRegistryEntriesFromXML(aPath);
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}
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void createBundledExtensionRegistryEntriesFromXML(std::u16string_view rUserConfigWorkURL)
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{
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const OUString aPath(
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OUString::Concat(rUserConfigWorkURL) + "/extensions/bundled" + gaRegPath);
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createExtensionRegistryEntriesFromXML(aPath);
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}
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void createExtensionRegistryEntriesFromXML(const OUString& aPath)
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{
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if (DirectoryHelper::fileExists(aPath))
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{
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uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
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uno::Reference< xml::dom::XDocumentBuilder > xBuilder(xml::dom::DocumentBuilder::create(xContext));
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uno::Reference< xml::dom::XDocument > aDocument = xBuilder->parseURI(aPath);
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if (aDocument.is())
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{
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visitNodesXMLRead(aDocument->getDocumentElement());
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}
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}
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if (!maEntries.empty())
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{
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// sort the list
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std::sort(maEntries.begin(), maEntries.end());
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}
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}
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private:
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static bool visitNodesXMLChange(
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const OUString& rTagToSearch,
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const uno::Reference< xml::dom::XElement >& rElement,
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const ExtensionInfoEntryVector& rToBeEnabled,
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const ExtensionInfoEntryVector& rToBeDisabled)
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{
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bool bChanged(false);
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if (rElement.is())
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{
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const OUString aTagName(rElement->getTagName());
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if (aTagName == rTagToSearch)
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{
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const OString aAttrUrl(OUStringToOString(rElement->getAttribute("url"), RTL_TEXTENCODING_ASCII_US));
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const OUString aAttrRevoked(rElement->getAttribute("revoked"));
|
|
const bool bEnabled(aAttrRevoked.isEmpty() || !aAttrRevoked.toBoolean());
|
|
|
|
if (!aAttrUrl.isEmpty())
|
|
{
|
|
for (const auto& enable : rToBeEnabled)
|
|
{
|
|
if (-1 != aAttrUrl.indexOf(enable.getName()))
|
|
{
|
|
if (!bEnabled)
|
|
{
|
|
// needs to be enabled
|
|
rElement->removeAttribute("revoked");
|
|
bChanged = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (const auto& disable : rToBeDisabled)
|
|
{
|
|
if (-1 != aAttrUrl.indexOf(disable.getName()))
|
|
{
|
|
if (bEnabled)
|
|
{
|
|
// needs to be disabled
|
|
rElement->setAttribute("revoked", "true");
|
|
bChanged = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
uno::Reference< xml::dom::XNodeList > aList = rElement->getChildNodes();
|
|
|
|
if (aList.is())
|
|
{
|
|
const sal_Int32 nLength(aList->getLength());
|
|
|
|
for (sal_Int32 a(0); a < nLength; a++)
|
|
{
|
|
const uno::Reference< xml::dom::XElement > aChild(aList->item(a), uno::UNO_QUERY);
|
|
|
|
if (aChild.is())
|
|
{
|
|
bChanged |= visitNodesXMLChange(
|
|
rTagToSearch,
|
|
aChild,
|
|
rToBeEnabled,
|
|
rToBeDisabled);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return bChanged;
|
|
}
|
|
|
|
static void visitNodesXMLChangeOneCase(
|
|
const OUString& rUnoPackagReg,
|
|
const OUString& rTagToSearch,
|
|
const ExtensionInfoEntryVector& rToBeEnabled,
|
|
const ExtensionInfoEntryVector& rToBeDisabled)
|
|
{
|
|
if (!DirectoryHelper::fileExists(rUnoPackagReg))
|
|
return;
|
|
|
|
uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
|
|
uno::Reference< xml::dom::XDocumentBuilder > xBuilder = xml::dom::DocumentBuilder::create(xContext);
|
|
uno::Reference< xml::dom::XDocument > aDocument = xBuilder->parseURI(rUnoPackagReg);
|
|
|
|
if (!aDocument.is())
|
|
return;
|
|
|
|
if (!visitNodesXMLChange(
|
|
rTagToSearch,
|
|
aDocument->getDocumentElement(),
|
|
rToBeEnabled,
|
|
rToBeDisabled))
|
|
return;
|
|
|
|
// did change - write back
|
|
uno::Reference< xml::sax::XSAXSerializable > xSerializer(aDocument, uno::UNO_QUERY);
|
|
|
|
if (!xSerializer.is())
|
|
return;
|
|
|
|
// create a SAXWriter
|
|
uno::Reference< xml::sax::XWriter > const xSaxWriter = xml::sax::Writer::create(xContext);
|
|
uno::Reference< io::XTempFile > xTempFile = io::TempFile::create(xContext);
|
|
uno::Reference< io::XOutputStream > xOutStrm = xTempFile->getOutputStream();
|
|
|
|
// set output stream and do the serialization
|
|
xSaxWriter->setOutputStream(xOutStrm);
|
|
xSerializer->serialize(xSaxWriter, uno::Sequence< beans::StringPair >());
|
|
|
|
// get URL from temp file
|
|
OUString aTempURL = xTempFile->getUri();
|
|
|
|
// copy back file
|
|
if (aTempURL.isEmpty() || !DirectoryHelper::fileExists(aTempURL))
|
|
return;
|
|
|
|
if (DirectoryHelper::fileExists(rUnoPackagReg))
|
|
{
|
|
osl::File::remove(rUnoPackagReg);
|
|
}
|
|
|
|
#if OSL_DEBUG_LEVEL > 1
|
|
SAL_WARN_IF(osl::FileBase::E_None != osl::File::move(aTempURL, rUnoPackagReg), "comphelper.backupfilehelper", "could not copy back modified Extension configuration file");
|
|
#else
|
|
osl::File::move(aTempURL, rUnoPackagReg);
|
|
#endif
|
|
}
|
|
|
|
public:
|
|
static void changeEnableDisableStateInXML(
|
|
std::u16string_view rUserConfigWorkURL,
|
|
const ExtensionInfoEntryVector& rToBeEnabled,
|
|
const ExtensionInfoEntryVector& rToBeDisabled)
|
|
{
|
|
static constexpr OUString aRegPathFront(u"/uno_packages/cache/registry/com.sun.star.comp.deployment."_ustr);
|
|
static constexpr OUString aRegPathBack(u".PackageRegistryBackend/backenddb.xml"_ustr);
|
|
// first appearance to check
|
|
{
|
|
const OUString aUnoPackagReg(OUString::Concat(rUserConfigWorkURL) + aRegPathFront + "bundle" + aRegPathBack);
|
|
|
|
visitNodesXMLChangeOneCase(
|
|
aUnoPackagReg,
|
|
"extension",
|
|
rToBeEnabled,
|
|
rToBeDisabled);
|
|
}
|
|
|
|
// second appearance to check
|
|
{
|
|
const OUString aUnoPackagReg(OUString::Concat(rUserConfigWorkURL) + aRegPathFront + "configuration" + aRegPathBack);
|
|
|
|
visitNodesXMLChangeOneCase(
|
|
aUnoPackagReg,
|
|
"configuration",
|
|
rToBeEnabled,
|
|
rToBeDisabled);
|
|
}
|
|
|
|
// third appearance to check
|
|
{
|
|
const OUString aUnoPackagReg(OUString::Concat(rUserConfigWorkURL) + aRegPathFront + "script" + aRegPathBack);
|
|
|
|
visitNodesXMLChangeOneCase(
|
|
aUnoPackagReg,
|
|
"script",
|
|
rToBeEnabled,
|
|
rToBeDisabled);
|
|
}
|
|
}
|
|
|
|
bool read_entries(FileSharedPtr const & rFile)
|
|
{
|
|
// read NumExtensionEntries
|
|
sal_uInt32 nExtEntries(0);
|
|
|
|
if (!read_sal_uInt32(rFile, nExtEntries))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// coverity#1373663 Untrusted loop bound, check file size
|
|
// isn't utterly broken
|
|
sal_uInt64 nFileSize(0);
|
|
rFile->getSize(nFileSize);
|
|
if (nFileSize < nExtEntries)
|
|
return false;
|
|
|
|
for (sal_uInt32 a(0); a < nExtEntries; a++)
|
|
{
|
|
ExtensionInfoEntry aNewEntry;
|
|
|
|
if (aNewEntry.read_entry(rFile))
|
|
{
|
|
maEntries.push_back(aNewEntry);
|
|
}
|
|
else
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool write_entries(oslFileHandle& rHandle) const
|
|
{
|
|
const sal_uInt32 nExtEntries(maEntries.size());
|
|
|
|
if (!write_sal_uInt32(rHandle, nExtEntries))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
for (const auto& a : maEntries)
|
|
{
|
|
if (!a.write_entry(rHandle))
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool createTempFile(OUString& rTempFileName)
|
|
{
|
|
oslFileHandle aHandle;
|
|
bool bRetval(false);
|
|
|
|
// create current configuration
|
|
if (maEntries.empty())
|
|
{
|
|
createUsingXExtensionManager();
|
|
}
|
|
|
|
// open target temp file and write current configuration to it - it exists until deleted
|
|
if (osl::File::E_None == osl::FileBase::createTempFile(nullptr, &aHandle, &rTempFileName))
|
|
{
|
|
bRetval = write_entries(aHandle);
|
|
|
|
// close temp file - it exists until deleted
|
|
osl_closeFile(aHandle);
|
|
}
|
|
|
|
return bRetval;
|
|
}
|
|
|
|
bool areThereEnabledExtensions() const
|
|
{
|
|
for (const auto& a : maEntries)
|
|
{
|
|
if (a.isEnabled())
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace
|
|
{
|
|
class PackedFileEntry
|
|
{
|
|
private:
|
|
sal_uInt32 mnFullFileSize; // size in bytes of unpacked original file
|
|
sal_uInt32 mnPackFileSize; // size in bytes in file backup package (smaller if compressed, same if not)
|
|
sal_uInt32 mnOffset; // offset in File (zero identifies new file)
|
|
sal_uInt32 mnCrc32; // checksum
|
|
FileSharedPtr maFile; // file where to find the data (at offset)
|
|
bool const mbDoCompress; // flag if this file is scheduled to be compressed when written
|
|
|
|
bool copy_content_straight(oslFileHandle& rTargetHandle)
|
|
{
|
|
if (!maFile || osl::File::E_None != maFile->open(osl_File_OpenFlag_Read))
|
|
return false;
|
|
|
|
sal_uInt8 aArray[BACKUP_FILE_HELPER_BLOCK_SIZE];
|
|
sal_uInt64 nBytesTransfer(0);
|
|
sal_uInt64 nSize(getPackFileSize());
|
|
|
|
// set offset in source file - when this is zero, a new file is to be added
|
|
if (osl::File::E_None == maFile->setPos(osl_Pos_Absolut, sal_Int64(getOffset())))
|
|
{
|
|
while (nSize != 0)
|
|
{
|
|
const sal_uInt64 nToTransfer(std::min(nSize, sal_uInt64(BACKUP_FILE_HELPER_BLOCK_SIZE)));
|
|
|
|
if (osl::File::E_None != maFile->read(static_cast<void*>(aArray), nToTransfer, nBytesTransfer) || nBytesTransfer != nToTransfer)
|
|
{
|
|
break;
|
|
}
|
|
|
|
if (osl_File_E_None != osl_writeFile(rTargetHandle, static_cast<const void*>(aArray), nToTransfer, &nBytesTransfer) || nBytesTransfer != nToTransfer)
|
|
{
|
|
break;
|
|
}
|
|
|
|
nSize -= nToTransfer;
|
|
}
|
|
}
|
|
|
|
maFile->close();
|
|
return (0 == nSize);
|
|
}
|
|
|
|
bool copy_content_compress(oslFileHandle& rTargetHandle)
|
|
{
|
|
if (!maFile || osl::File::E_None != maFile->open(osl_File_OpenFlag_Read))
|
|
return false;
|
|
|
|
sal_uInt8 aArray[BACKUP_FILE_HELPER_BLOCK_SIZE];
|
|
sal_uInt8 aBuffer[BACKUP_FILE_HELPER_BLOCK_SIZE];
|
|
sal_uInt64 nBytesTransfer(0);
|
|
sal_uInt64 nSize(getPackFileSize());
|
|
z_stream zstream;
|
|
memset(&zstream, 0, sizeof(zstream));
|
|
|
|
if (Z_OK == deflateInit(&zstream, Z_BEST_COMPRESSION))
|
|
{
|
|
// set offset in source file - when this is zero, a new file is to be added
|
|
if (osl::File::E_None == maFile->setPos(osl_Pos_Absolut, sal_Int64(getOffset())))
|
|
{
|
|
bool bOkay(true);
|
|
|
|
while (bOkay && nSize != 0)
|
|
{
|
|
const sal_uInt64 nToTransfer(std::min(nSize, sal_uInt64(BACKUP_FILE_HELPER_BLOCK_SIZE)));
|
|
|
|
if (osl::File::E_None != maFile->read(static_cast<void*>(aArray), nToTransfer, nBytesTransfer) || nBytesTransfer != nToTransfer)
|
|
{
|
|
break;
|
|
}
|
|
|
|
zstream.avail_in = nToTransfer;
|
|
zstream.next_in = reinterpret_cast<unsigned char*>(aArray);
|
|
|
|
do {
|
|
zstream.avail_out = BACKUP_FILE_HELPER_BLOCK_SIZE;
|
|
zstream.next_out = reinterpret_cast<unsigned char*>(aBuffer);
|
|
#if !defined Z_PREFIX
|
|
const sal_Int64 nRetval(deflate(&zstream, nSize == nToTransfer ? Z_FINISH : Z_NO_FLUSH));
|
|
#else
|
|
const sal_Int64 nRetval(z_deflate(&zstream, nSize == nToTransfer ? Z_FINISH : Z_NO_FLUSH));
|
|
#endif
|
|
if (Z_STREAM_ERROR == nRetval)
|
|
{
|
|
bOkay = false;
|
|
}
|
|
else
|
|
{
|
|
const sal_uInt64 nAvailable(BACKUP_FILE_HELPER_BLOCK_SIZE - zstream.avail_out);
|
|
|
|
if (osl_File_E_None != osl_writeFile(rTargetHandle, static_cast<const void*>(aBuffer), nAvailable, &nBytesTransfer) || nBytesTransfer != nAvailable)
|
|
{
|
|
bOkay = false;
|
|
}
|
|
}
|
|
} while (bOkay && 0 == zstream.avail_out);
|
|
|
|
if (!bOkay)
|
|
{
|
|
break;
|
|
}
|
|
|
|
nSize -= nToTransfer;
|
|
}
|
|
|
|
#if !defined Z_PREFIX
|
|
deflateEnd(&zstream);
|
|
#else
|
|
z_deflateEnd(&zstream);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
maFile->close();
|
|
|
|
// get compressed size and add to entry
|
|
if (mnFullFileSize == mnPackFileSize && mnFullFileSize == zstream.total_in)
|
|
{
|
|
mnPackFileSize = zstream.total_out;
|
|
}
|
|
|
|
return (0 == nSize);
|
|
}
|
|
|
|
bool copy_content_uncompress(oslFileHandle& rTargetHandle)
|
|
{
|
|
if (!maFile || osl::File::E_None != maFile->open(osl_File_OpenFlag_Read))
|
|
return false;
|
|
|
|
sal_uInt8 aArray[BACKUP_FILE_HELPER_BLOCK_SIZE];
|
|
sal_uInt8 aBuffer[BACKUP_FILE_HELPER_BLOCK_SIZE];
|
|
sal_uInt64 nBytesTransfer(0);
|
|
sal_uInt64 nSize(getPackFileSize());
|
|
z_stream zstream;
|
|
memset(&zstream, 0, sizeof(zstream));
|
|
|
|
if (Z_OK == inflateInit(&zstream))
|
|
{
|
|
// set offset in source file - when this is zero, a new file is to be added
|
|
if (osl::File::E_None == maFile->setPos(osl_Pos_Absolut, sal_Int64(getOffset())))
|
|
{
|
|
bool bOkay(true);
|
|
|
|
while (bOkay && nSize != 0)
|
|
{
|
|
const sal_uInt64 nToTransfer(std::min(nSize, sal_uInt64(BACKUP_FILE_HELPER_BLOCK_SIZE)));
|
|
|
|
if (osl::File::E_None != maFile->read(static_cast<void*>(aArray), nToTransfer, nBytesTransfer) || nBytesTransfer != nToTransfer)
|
|
{
|
|
break;
|
|
}
|
|
|
|
zstream.avail_in = nToTransfer;
|
|
zstream.next_in = reinterpret_cast<unsigned char*>(aArray);
|
|
|
|
do {
|
|
zstream.avail_out = BACKUP_FILE_HELPER_BLOCK_SIZE;
|
|
zstream.next_out = reinterpret_cast<unsigned char*>(aBuffer);
|
|
#if !defined Z_PREFIX
|
|
const sal_Int64 nRetval(inflate(&zstream, Z_NO_FLUSH));
|
|
#else
|
|
const sal_Int64 nRetval(z_inflate(&zstream, Z_NO_FLUSH));
|
|
#endif
|
|
if (Z_STREAM_ERROR == nRetval)
|
|
{
|
|
bOkay = false;
|
|
}
|
|
else
|
|
{
|
|
const sal_uInt64 nAvailable(BACKUP_FILE_HELPER_BLOCK_SIZE - zstream.avail_out);
|
|
|
|
if (osl_File_E_None != osl_writeFile(rTargetHandle, static_cast<const void*>(aBuffer), nAvailable, &nBytesTransfer) || nBytesTransfer != nAvailable)
|
|
{
|
|
bOkay = false;
|
|
}
|
|
}
|
|
} while (bOkay && 0 == zstream.avail_out);
|
|
|
|
if (!bOkay)
|
|
{
|
|
break;
|
|
}
|
|
|
|
nSize -= nToTransfer;
|
|
}
|
|
|
|
#if !defined Z_PREFIX
|
|
deflateEnd(&zstream);
|
|
#else
|
|
z_deflateEnd(&zstream);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
maFile->close();
|
|
return (0 == nSize);
|
|
}
|
|
|
|
|
|
public:
|
|
// create new, uncompressed entry
|
|
PackedFileEntry(
|
|
sal_uInt32 nFullFileSize,
|
|
sal_uInt32 nCrc32,
|
|
FileSharedPtr xFile,
|
|
bool bDoCompress)
|
|
: mnFullFileSize(nFullFileSize),
|
|
mnPackFileSize(nFullFileSize),
|
|
mnOffset(0),
|
|
mnCrc32(nCrc32),
|
|
maFile(std::move(xFile)),
|
|
mbDoCompress(bDoCompress)
|
|
{
|
|
}
|
|
|
|
// create entry to be loaded as header (read_header)
|
|
PackedFileEntry()
|
|
: mnFullFileSize(0),
|
|
mnPackFileSize(0),
|
|
mnOffset(0),
|
|
mnCrc32(0),
|
|
mbDoCompress(false)
|
|
{
|
|
}
|
|
|
|
sal_uInt32 getFullFileSize() const
|
|
{
|
|
return mnFullFileSize;
|
|
}
|
|
|
|
sal_uInt32 getPackFileSize() const
|
|
{
|
|
return mnPackFileSize;
|
|
}
|
|
|
|
sal_uInt32 getOffset() const
|
|
{
|
|
return mnOffset;
|
|
}
|
|
|
|
void setOffset(sal_uInt32 nOffset)
|
|
{
|
|
mnOffset = nOffset;
|
|
}
|
|
|
|
static sal_uInt32 getEntrySize()
|
|
{
|
|
return 12;
|
|
}
|
|
|
|
sal_uInt32 getCrc32() const
|
|
{
|
|
return mnCrc32;
|
|
}
|
|
|
|
bool read_header(FileSharedPtr const & rFile)
|
|
{
|
|
if (!rFile)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
maFile = rFile;
|
|
|
|
// read and compute full file size
|
|
if (!read_sal_uInt32(rFile, mnFullFileSize))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// read and compute entry crc32
|
|
if (!read_sal_uInt32(rFile, mnCrc32))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// read and compute packed size
|
|
if (!read_sal_uInt32(rFile, mnPackFileSize))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool write_header(oslFileHandle& rHandle) const
|
|
{
|
|
// write full file size
|
|
if (!write_sal_uInt32(rHandle, mnFullFileSize))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// write crc32
|
|
if (!write_sal_uInt32(rHandle, mnCrc32))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// write packed file size
|
|
if (!write_sal_uInt32(rHandle, mnPackFileSize))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool copy_content(oslFileHandle& rTargetHandle, bool bUncompress)
|
|
{
|
|
if (bUncompress)
|
|
{
|
|
if (getFullFileSize() == getPackFileSize())
|
|
{
|
|
// not compressed, just copy
|
|
return copy_content_straight(rTargetHandle);
|
|
}
|
|
else
|
|
{
|
|
// compressed, need to uncompress on copy
|
|
return copy_content_uncompress(rTargetHandle);
|
|
}
|
|
}
|
|
else if (0 == getOffset())
|
|
{
|
|
if (mbDoCompress)
|
|
{
|
|
// compressed wanted, need to compress on copy
|
|
return copy_content_compress(rTargetHandle);
|
|
}
|
|
else
|
|
{
|
|
// not compressed, straight copy
|
|
return copy_content_straight(rTargetHandle);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
return copy_content_straight(rTargetHandle);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace
|
|
{
|
|
class PackedFile
|
|
{
|
|
private:
|
|
const OUString maURL;
|
|
std::deque< PackedFileEntry >
|
|
maPackedFileEntryVector;
|
|
bool mbChanged;
|
|
|
|
public:
|
|
PackedFile(const OUString& rURL)
|
|
: maURL(rURL),
|
|
mbChanged(false)
|
|
{
|
|
FileSharedPtr aSourceFile = std::make_shared<osl::File>(rURL);
|
|
|
|
if (osl::File::E_None == aSourceFile->open(osl_File_OpenFlag_Read))
|
|
{
|
|
sal_uInt64 nBaseLen(0);
|
|
aSourceFile->getSize(nBaseLen);
|
|
|
|
// we need at least File_ID and num entries -> 8byte
|
|
if (8 < nBaseLen)
|
|
{
|
|
sal_uInt8 aArray[4];
|
|
sal_uInt64 nBaseRead(0);
|
|
|
|
// read and check File_ID
|
|
if (osl::File::E_None == aSourceFile->read(static_cast< void* >(aArray), 4, nBaseRead) && 4 == nBaseRead)
|
|
{
|
|
if ('P' == aArray[0] && 'A' == aArray[1] && 'C' == aArray[2] && 'K' == aArray[3])
|
|
{
|
|
// read and compute num entries in this file
|
|
if (osl::File::E_None == aSourceFile->read(static_cast<void*>(aArray), 4, nBaseRead) && 4 == nBaseRead)
|
|
{
|
|
sal_uInt32 nEntries((sal_uInt32(aArray[0]) << 24) + (sal_uInt32(aArray[1]) << 16) + (sal_uInt32(aArray[2]) << 8) + sal_uInt32(aArray[3]));
|
|
|
|
// if there are entries (and less than max), read them
|
|
if (nEntries >= 1 && nEntries <= 10)
|
|
{
|
|
for (sal_uInt32 a(0); a < nEntries; a++)
|
|
{
|
|
// create new entry, read header (size, crc and PackedSize),
|
|
// set offset and source file
|
|
PackedFileEntry aEntry;
|
|
|
|
if (aEntry.read_header(aSourceFile))
|
|
{
|
|
// add to local data
|
|
maPackedFileEntryVector.push_back(aEntry);
|
|
}
|
|
else
|
|
{
|
|
// error
|
|
nEntries = 0;
|
|
}
|
|
}
|
|
|
|
if (0 == nEntries)
|
|
{
|
|
// on read error clear local data
|
|
maPackedFileEntryVector.clear();
|
|
}
|
|
else
|
|
{
|
|
// calculate and set offsets to file binary content
|
|
sal_uInt32 nHeaderSize(8);
|
|
|
|
nHeaderSize += maPackedFileEntryVector.size() * PackedFileEntry::getEntrySize();
|
|
|
|
sal_uInt32 nOffset(nHeaderSize);
|
|
|
|
for (auto& b : maPackedFileEntryVector)
|
|
{
|
|
b.setOffset(nOffset);
|
|
nOffset += b.getPackFileSize();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
aSourceFile->close();
|
|
}
|
|
|
|
if (maPackedFileEntryVector.empty())
|
|
{
|
|
// on error or no data get rid of pack file
|
|
osl::File::remove(maURL);
|
|
}
|
|
}
|
|
|
|
void flush()
|
|
{
|
|
bool bRetval(true);
|
|
|
|
if (maPackedFileEntryVector.empty())
|
|
{
|
|
// get rid of (now?) empty pack file
|
|
osl::File::remove(maURL);
|
|
}
|
|
else if (mbChanged)
|
|
{
|
|
// need to create a new pack file, do this in a temp file to which data
|
|
// will be copied from local file (so keep it here until this is done)
|
|
oslFileHandle aHandle = nullptr;
|
|
OUString aTempURL;
|
|
|
|
// open target temp file - it exists until deleted
|
|
if (osl::File::E_None == osl::FileBase::createTempFile(nullptr, &aHandle, &aTempURL))
|
|
{
|
|
sal_uInt8 aArray[4];
|
|
sal_uInt64 nBaseWritten(0);
|
|
|
|
aArray[0] = 'P';
|
|
aArray[1] = 'A';
|
|
aArray[2] = 'C';
|
|
aArray[3] = 'K';
|
|
|
|
// write File_ID
|
|
if (osl_File_E_None == osl_writeFile(aHandle, static_cast<const void*>(aArray), 4, &nBaseWritten) && 4 == nBaseWritten)
|
|
{
|
|
const sal_uInt32 nSize(maPackedFileEntryVector.size());
|
|
|
|
// write number of entries
|
|
if (write_sal_uInt32(aHandle, nSize))
|
|
{
|
|
// write placeholder for headers. Due to the fact that
|
|
// PackFileSize for newly added files gets set during
|
|
// writing the content entry, write headers after content
|
|
// is written. To do so, write placeholders here
|
|
sal_uInt32 nWriteSize(0);
|
|
|
|
nWriteSize += maPackedFileEntryVector.size() * PackedFileEntry::getEntrySize();
|
|
|
|
aArray[0] = aArray[1] = aArray[2] = aArray[3] = 0;
|
|
|
|
for (sal_uInt32 a(0); bRetval && a < nWriteSize; a++)
|
|
{
|
|
if (osl_File_E_None != osl_writeFile(aHandle, static_cast<const void*>(aArray), 1, &nBaseWritten) || 1 != nBaseWritten)
|
|
{
|
|
bRetval = false;
|
|
}
|
|
}
|
|
|
|
if (bRetval)
|
|
{
|
|
// write contents - this may adapt PackFileSize for new
|
|
// files
|
|
for (auto& candidate : maPackedFileEntryVector)
|
|
{
|
|
if (!candidate.copy_content(aHandle, false))
|
|
{
|
|
bRetval = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bRetval)
|
|
{
|
|
// seek back to header start (at position 8)
|
|
if (osl_File_E_None != osl_setFilePos(aHandle, osl_Pos_Absolut, sal_Int64(8)))
|
|
{
|
|
bRetval = false;
|
|
}
|
|
}
|
|
|
|
if (bRetval)
|
|
{
|
|
// write headers
|
|
for (const auto& candidate : maPackedFileEntryVector)
|
|
{
|
|
if (!candidate.write_header(aHandle))
|
|
{
|
|
// error
|
|
bRetval = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// close temp file (in all cases) - it exists until deleted
|
|
osl_closeFile(aHandle);
|
|
|
|
if (bRetval)
|
|
{
|
|
// copy over existing file by first deleting original
|
|
// and moving the temp file to old original
|
|
osl::File::remove(maURL);
|
|
osl::File::move(aTempURL, maURL);
|
|
}
|
|
|
|
// delete temp file (in all cases - it may be moved already)
|
|
osl::File::remove(aTempURL);
|
|
}
|
|
}
|
|
|
|
bool tryPush(FileSharedPtr const & rFileCandidate, bool bCompress)
|
|
{
|
|
sal_uInt64 nFileSize(0);
|
|
|
|
if (rFileCandidate && osl::File::E_None == rFileCandidate->open(osl_File_OpenFlag_Read))
|
|
{
|
|
rFileCandidate->getSize(nFileSize);
|
|
rFileCandidate->close();
|
|
}
|
|
|
|
if (0 == nFileSize)
|
|
{
|
|
// empty file offered
|
|
return false;
|
|
}
|
|
|
|
bool bNeedToAdd(false);
|
|
sal_uInt32 nCrc32(0);
|
|
|
|
if (maPackedFileEntryVector.empty())
|
|
{
|
|
// no backup yet, add as 1st backup
|
|
bNeedToAdd = true;
|
|
}
|
|
else
|
|
{
|
|
// already backups there, check if different from last entry
|
|
const PackedFileEntry& aLastEntry = maPackedFileEntryVector.back();
|
|
|
|
// check if file is different
|
|
if (aLastEntry.getFullFileSize() != static_cast<sal_uInt32>(nFileSize))
|
|
{
|
|
// different size, different file
|
|
bNeedToAdd = true;
|
|
}
|
|
else
|
|
{
|
|
// same size, check crc32
|
|
nCrc32 = createCrc32(rFileCandidate, 0);
|
|
|
|
if (nCrc32 != aLastEntry.getCrc32())
|
|
{
|
|
// different crc, different file
|
|
bNeedToAdd = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bNeedToAdd)
|
|
{
|
|
// create crc32 if not yet done
|
|
if (0 == nCrc32)
|
|
{
|
|
nCrc32 = createCrc32(rFileCandidate, 0);
|
|
}
|
|
|
|
// create a file entry for a new file. Offset is set automatically
|
|
// to 0 to mark the entry as new file entry
|
|
maPackedFileEntryVector.emplace_back(
|
|
static_cast< sal_uInt32 >(nFileSize),
|
|
nCrc32,
|
|
rFileCandidate,
|
|
bCompress);
|
|
|
|
mbChanged = true;
|
|
}
|
|
|
|
return bNeedToAdd;
|
|
}
|
|
|
|
bool tryPop(oslFileHandle& rHandle)
|
|
{
|
|
if (maPackedFileEntryVector.empty())
|
|
return false;
|
|
|
|
// already backups there, check if different from last entry
|
|
PackedFileEntry& aLastEntry = maPackedFileEntryVector.back();
|
|
|
|
// here the uncompress flag has to be determined, true
|
|
// means to add the file compressed, false means to add it
|
|
// uncompressed
|
|
bool bRetval = aLastEntry.copy_content(rHandle, true);
|
|
|
|
if (bRetval)
|
|
{
|
|
maPackedFileEntryVector.pop_back();
|
|
mbChanged = true;
|
|
}
|
|
|
|
return bRetval;
|
|
}
|
|
|
|
void tryReduceToNumBackups(sal_uInt16 nNumBackups)
|
|
{
|
|
while (maPackedFileEntryVector.size() > nNumBackups)
|
|
{
|
|
maPackedFileEntryVector.pop_front();
|
|
mbChanged = true;
|
|
}
|
|
}
|
|
|
|
bool empty() const
|
|
{
|
|
return maPackedFileEntryVector.empty();
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace comphelper
|
|
{
|
|
sal_uInt16 BackupFileHelper::mnMaxAllowedBackups = 10;
|
|
bool BackupFileHelper::mbExitWasCalled = false;
|
|
bool BackupFileHelper::mbSafeModeDirExists = false;
|
|
OUString BackupFileHelper::maInitialBaseURL;
|
|
OUString BackupFileHelper::maUserConfigBaseURL;
|
|
OUString BackupFileHelper::maUserConfigWorkURL;
|
|
OUString BackupFileHelper::maRegModName;
|
|
OUString BackupFileHelper::maExt;
|
|
|
|
const OUString& BackupFileHelper::getInitialBaseURL()
|
|
{
|
|
if (maInitialBaseURL.isEmpty())
|
|
{
|
|
// try to access user layer configuration file URL, the one that
|
|
// points to registrymodifications.xcu
|
|
OUString conf("${CONFIGURATION_LAYERS}");
|
|
rtl::Bootstrap::expandMacros(conf);
|
|
static constexpr OUString aTokenUser(u"user:"_ustr);
|
|
sal_Int32 nStart(conf.indexOf(aTokenUser));
|
|
|
|
if (-1 != nStart)
|
|
{
|
|
nStart += aTokenUser.getLength();
|
|
sal_Int32 nEnd(conf.indexOf(' ', nStart));
|
|
|
|
if (-1 == nEnd)
|
|
{
|
|
nEnd = conf.getLength();
|
|
}
|
|
|
|
maInitialBaseURL = conf.copy(nStart, nEnd - nStart);
|
|
(void)maInitialBaseURL.startsWith("!", &maInitialBaseURL);
|
|
}
|
|
|
|
if (!maInitialBaseURL.isEmpty())
|
|
{
|
|
// split URL at extension and at last path separator
|
|
maUserConfigBaseURL = DirectoryHelper::splitAtLastToken(
|
|
DirectoryHelper::splitAtLastToken(maInitialBaseURL, '.', maExt), '/',
|
|
maRegModName);
|
|
}
|
|
|
|
if (!maUserConfigBaseURL.isEmpty())
|
|
{
|
|
// check if SafeModeDir exists
|
|
mbSafeModeDirExists = DirectoryHelper::dirExists(maUserConfigBaseURL + "/" + getSafeModeName());
|
|
}
|
|
|
|
maUserConfigWorkURL = maUserConfigBaseURL;
|
|
|
|
if (mbSafeModeDirExists)
|
|
{
|
|
// adapt work URL to do all repair op's in the correct directory
|
|
maUserConfigWorkURL += "/" + getSafeModeName();
|
|
}
|
|
}
|
|
|
|
return maInitialBaseURL;
|
|
}
|
|
|
|
const OUString& BackupFileHelper::getSafeModeName()
|
|
{
|
|
static constexpr OUString aSafeMode(u"SafeMode"_ustr);
|
|
|
|
return aSafeMode;
|
|
}
|
|
|
|
BackupFileHelper::BackupFileHelper()
|
|
: mnNumBackups(2),
|
|
mnMode(1),
|
|
mbActive(false),
|
|
mbExtensions(true),
|
|
mbCompress(true)
|
|
{
|
|
OUString sTokenOut;
|
|
|
|
// read configuration item 'SecureUserConfig' -> bool on/off
|
|
if (rtl::Bootstrap::get("SecureUserConfig", sTokenOut))
|
|
{
|
|
mbActive = sTokenOut.toBoolean();
|
|
}
|
|
|
|
if (mbActive)
|
|
{
|
|
// ensure existence
|
|
getInitialBaseURL();
|
|
|
|
// if not found, we are out of business (maExt may be empty)
|
|
mbActive = !maInitialBaseURL.isEmpty() && !maUserConfigBaseURL.isEmpty() && !maRegModName.isEmpty();
|
|
}
|
|
|
|
if (mbActive && rtl::Bootstrap::get("SecureUserConfigNumCopies", sTokenOut))
|
|
{
|
|
const sal_uInt16 nConfigNumCopies(static_cast<sal_uInt16>(sTokenOut.toUInt32()));
|
|
|
|
// limit to range [1..mnMaxAllowedBackups]
|
|
mnNumBackups = std::clamp(mnNumBackups, nConfigNumCopies, mnMaxAllowedBackups);
|
|
}
|
|
|
|
if (mbActive && rtl::Bootstrap::get("SecureUserConfigMode", sTokenOut))
|
|
{
|
|
const sal_uInt16 nMode(static_cast<sal_uInt16>(sTokenOut.toUInt32()));
|
|
|
|
// limit to range [0..2]
|
|
mnMode = std::min(nMode, sal_uInt16(2));
|
|
}
|
|
|
|
if (mbActive && rtl::Bootstrap::get("SecureUserConfigExtensions", sTokenOut))
|
|
{
|
|
mbExtensions = sTokenOut.toBoolean();
|
|
}
|
|
|
|
if (mbActive && rtl::Bootstrap::get("SecureUserConfigCompress", sTokenOut))
|
|
{
|
|
mbCompress = sTokenOut.toBoolean();
|
|
}
|
|
}
|
|
|
|
void BackupFileHelper::setExitWasCalled()
|
|
{
|
|
mbExitWasCalled = true;
|
|
}
|
|
|
|
bool BackupFileHelper::getExitWasCalled()
|
|
{
|
|
return mbExitWasCalled;
|
|
}
|
|
|
|
void BackupFileHelper::reactOnSafeMode(bool bSafeMode)
|
|
{
|
|
// ensure existence of needed paths
|
|
getInitialBaseURL();
|
|
|
|
if (maUserConfigBaseURL.isEmpty())
|
|
return;
|
|
|
|
if (bSafeMode)
|
|
{
|
|
if (!mbSafeModeDirExists)
|
|
{
|
|
std::set< OUString > aExcludeList;
|
|
|
|
// do not move SafeMode directory itself
|
|
aExcludeList.insert(getSafeModeName());
|
|
|
|
// init SafeMode by creating the 'SafeMode' directory and moving
|
|
// all stuff there. All repairs will happen there. Both Dirs have to exist.
|
|
// extend maUserConfigWorkURL as needed
|
|
maUserConfigWorkURL = maUserConfigBaseURL + "/" + getSafeModeName();
|
|
|
|
osl::Directory::createPath(maUserConfigWorkURL);
|
|
DirectoryHelper::moveDirContent(maUserConfigBaseURL, maUserConfigWorkURL, aExcludeList);
|
|
|
|
// switch local flag, maUserConfigWorkURL is already reset
|
|
mbSafeModeDirExists = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mbSafeModeDirExists)
|
|
{
|
|
// SafeMode has ended, return to normal mode by moving all content
|
|
// from 'SafeMode' directory back to UserDirectory and deleting it.
|
|
// Both Dirs have to exist
|
|
std::set< OUString > aExcludeList;
|
|
|
|
DirectoryHelper::moveDirContent(maUserConfigWorkURL, maUserConfigBaseURL, aExcludeList);
|
|
osl::Directory::remove(maUserConfigWorkURL);
|
|
|
|
// switch local flag and reset maUserConfigWorkURL
|
|
mbSafeModeDirExists = false;
|
|
maUserConfigWorkURL = maUserConfigBaseURL;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BackupFileHelper::tryPush()
|
|
{
|
|
// no push when SafeModeDir exists, it may be Office's exit after SafeMode
|
|
// where SafeMode flag is already deleted, but SafeModeDir cleanup is not
|
|
// done yet (is done at next startup)
|
|
if (!mbActive || mbSafeModeDirExists)
|
|
return;
|
|
|
|
const OUString aPackURL(getPackURL());
|
|
|
|
// ensure dir and file vectors
|
|
fillDirFileInfo();
|
|
|
|
// process all files in question recursively
|
|
if (!maDirs.empty() || !maFiles.empty())
|
|
{
|
|
tryPush_Files(
|
|
maDirs,
|
|
maFiles,
|
|
maUserConfigWorkURL,
|
|
aPackURL);
|
|
}
|
|
}
|
|
|
|
void BackupFileHelper::tryPushExtensionInfo()
|
|
{
|
|
// no push when SafeModeDir exists, it may be Office's exit after SafeMode
|
|
// where SafeMode flag is already deleted, but SafeModeDir cleanup is not
|
|
// done yet (is done at next startup)
|
|
if (mbActive && mbExtensions && !mbSafeModeDirExists)
|
|
{
|
|
const OUString aPackURL(getPackURL());
|
|
|
|
tryPush_extensionInfo(aPackURL);
|
|
}
|
|
}
|
|
|
|
bool BackupFileHelper::isPopPossible()
|
|
{
|
|
bool bPopPossible(false);
|
|
|
|
if (mbActive)
|
|
{
|
|
const OUString aPackURL(getPackURL());
|
|
|
|
// ensure dir and file vectors
|
|
fillDirFileInfo();
|
|
|
|
// process all files in question recursively
|
|
if (!maDirs.empty() || !maFiles.empty())
|
|
{
|
|
bPopPossible = isPopPossible_files(
|
|
maDirs,
|
|
maFiles,
|
|
maUserConfigWorkURL,
|
|
aPackURL);
|
|
}
|
|
}
|
|
|
|
return bPopPossible;
|
|
}
|
|
|
|
void BackupFileHelper::tryPop()
|
|
{
|
|
if (!mbActive)
|
|
return;
|
|
|
|
bool bDidPop(false);
|
|
const OUString aPackURL(getPackURL());
|
|
|
|
// ensure dir and file vectors
|
|
fillDirFileInfo();
|
|
|
|
// process all files in question recursively
|
|
if (!maDirs.empty() || !maFiles.empty())
|
|
{
|
|
bDidPop = tryPop_files(
|
|
maDirs,
|
|
maFiles,
|
|
maUserConfigWorkURL,
|
|
aPackURL);
|
|
}
|
|
|
|
if (bDidPop)
|
|
{
|
|
// try removal of evtl. empty directory
|
|
osl::Directory::remove(aPackURL);
|
|
}
|
|
}
|
|
|
|
bool BackupFileHelper::isPopPossibleExtensionInfo() const
|
|
{
|
|
bool bPopPossible(false);
|
|
|
|
if (mbActive && mbExtensions)
|
|
{
|
|
const OUString aPackURL(getPackURL());
|
|
|
|
bPopPossible = isPopPossible_extensionInfo(aPackURL);
|
|
}
|
|
|
|
return bPopPossible;
|
|
}
|
|
|
|
void BackupFileHelper::tryPopExtensionInfo()
|
|
{
|
|
if (!(mbActive && mbExtensions))
|
|
return;
|
|
|
|
bool bDidPop(false);
|
|
const OUString aPackURL(getPackURL());
|
|
|
|
bDidPop = tryPop_extensionInfo(aPackURL);
|
|
|
|
if (bDidPop)
|
|
{
|
|
// try removal of evtl. empty directory
|
|
osl::Directory::remove(aPackURL);
|
|
}
|
|
}
|
|
|
|
bool BackupFileHelper::isTryDisableAllExtensionsPossible()
|
|
{
|
|
// check if there are still enabled extension which can be disabled,
|
|
// but as we are now in SafeMode, use XML infos for this since the
|
|
// extensions are not loaded from XExtensionManager
|
|
class ExtensionInfo aExtensionInfo;
|
|
|
|
aExtensionInfo.createUserExtensionRegistryEntriesFromXML(maUserConfigWorkURL);
|
|
|
|
return aExtensionInfo.areThereEnabledExtensions();
|
|
}
|
|
|
|
void BackupFileHelper::tryDisableAllExtensions()
|
|
{
|
|
// disable all still enabled extensions,
|
|
// but as we are now in SafeMode, use XML infos for this since the
|
|
// extensions are not loaded from XExtensionManager
|
|
ExtensionInfo aCurrentExtensionInfo;
|
|
const ExtensionInfoEntryVector aToBeEnabled{};
|
|
ExtensionInfoEntryVector aToBeDisabled;
|
|
|
|
aCurrentExtensionInfo.createUserExtensionRegistryEntriesFromXML(maUserConfigWorkURL);
|
|
|
|
const ExtensionInfoEntryVector& rCurrentVector = aCurrentExtensionInfo.getExtensionInfoEntryVector();
|
|
|
|
for (const auto& rCurrentInfo : rCurrentVector)
|
|
{
|
|
if (rCurrentInfo.isEnabled())
|
|
{
|
|
aToBeDisabled.push_back(rCurrentInfo);
|
|
}
|
|
}
|
|
|
|
ExtensionInfo::changeEnableDisableStateInXML(maUserConfigWorkURL, aToBeEnabled, aToBeDisabled);
|
|
}
|
|
|
|
bool BackupFileHelper::isTryDeinstallUserExtensionsPossible()
|
|
{
|
|
// check if there are User Extensions installed.
|
|
class ExtensionInfo aExtensionInfo;
|
|
|
|
aExtensionInfo.createUserExtensionRegistryEntriesFromXML(maUserConfigWorkURL);
|
|
|
|
return !aExtensionInfo.getExtensionInfoEntryVector().empty();
|
|
}
|
|
|
|
void BackupFileHelper::tryDeinstallUserExtensions()
|
|
{
|
|
// delete User Extension installs
|
|
DirectoryHelper::deleteDirRecursively(maUserConfigWorkURL + "/uno_packages");
|
|
}
|
|
|
|
bool BackupFileHelper::isTryResetSharedExtensionsPossible()
|
|
{
|
|
// check if there are shared Extensions installed
|
|
class ExtensionInfo aExtensionInfo;
|
|
|
|
aExtensionInfo.createSharedExtensionRegistryEntriesFromXML(maUserConfigWorkURL);
|
|
|
|
return !aExtensionInfo.getExtensionInfoEntryVector().empty();
|
|
}
|
|
|
|
void BackupFileHelper::tryResetSharedExtensions()
|
|
{
|
|
// reset shared extension info
|
|
DirectoryHelper::deleteDirRecursively(maUserConfigWorkURL + "/extensions/shared");
|
|
}
|
|
|
|
bool BackupFileHelper::isTryResetBundledExtensionsPossible()
|
|
{
|
|
// check if there are shared Extensions installed
|
|
class ExtensionInfo aExtensionInfo;
|
|
|
|
aExtensionInfo.createBundledExtensionRegistryEntriesFromXML(maUserConfigWorkURL);
|
|
|
|
return !aExtensionInfo.getExtensionInfoEntryVector().empty();
|
|
}
|
|
|
|
void BackupFileHelper::tryResetBundledExtensions()
|
|
{
|
|
// reset shared extension info
|
|
DirectoryHelper::deleteDirRecursively(maUserConfigWorkURL + "/extensions/bundled");
|
|
}
|
|
|
|
const std::vector< OUString >& BackupFileHelper::getCustomizationDirNames()
|
|
{
|
|
static std::vector< OUString > aDirNames =
|
|
{
|
|
"config", // UI config stuff
|
|
"registry", // most of the registry stuff
|
|
"psprint", // not really needed, can be abandoned
|
|
"store", // not really needed, can be abandoned
|
|
"temp", // not really needed, can be abandoned
|
|
"pack" // own backup dir
|
|
};
|
|
|
|
return aDirNames;
|
|
}
|
|
|
|
const std::vector< OUString >& BackupFileHelper::getCustomizationFileNames()
|
|
{
|
|
static std::vector< OUString > aFileNames =
|
|
{
|
|
"registrymodifications.xcu" // personal registry stuff
|
|
};
|
|
|
|
return aFileNames;
|
|
}
|
|
|
|
namespace {
|
|
uno::Reference<XElement> lcl_getConfigElement(const uno::Reference<XDocument>& xDocument, const OUString& rPath,
|
|
const OUString& rKey, const OUString& rValue)
|
|
{
|
|
uno::Reference< XElement > itemElement = xDocument->createElement("item");
|
|
itemElement->setAttribute("oor:path", rPath);
|
|
|
|
uno::Reference< XElement > propElement = xDocument->createElement("prop");
|
|
propElement->setAttribute("oor:name", rKey);
|
|
propElement->setAttribute("oor:op", "replace"); // Replace any other options
|
|
|
|
uno::Reference< XElement > valueElement = xDocument->createElement("value");
|
|
uno::Reference< XText > textElement = xDocument->createTextNode(rValue);
|
|
|
|
valueElement->appendChild(textElement);
|
|
propElement->appendChild(valueElement);
|
|
itemElement->appendChild(propElement);
|
|
|
|
return itemElement;
|
|
}
|
|
}
|
|
|
|
void BackupFileHelper::tryDisableHWAcceleration()
|
|
{
|
|
const OUString aRegistryModifications(maUserConfigWorkURL + "/registrymodifications.xcu");
|
|
if (!DirectoryHelper::fileExists(aRegistryModifications))
|
|
return;
|
|
|
|
uno::Reference< uno::XComponentContext > xContext = ::comphelper::getProcessComponentContext();
|
|
uno::Reference< XDocumentBuilder > xBuilder = DocumentBuilder::create(xContext);
|
|
uno::Reference< XDocument > xDocument = xBuilder->parseURI(aRegistryModifications);
|
|
uno::Reference< XElement > xRootElement = xDocument->getDocumentElement();
|
|
|
|
xRootElement->appendChild(lcl_getConfigElement(xDocument, "/org.openoffice.Office.Common/VCL",
|
|
"DisableOpenGL", "true"));
|
|
xRootElement->appendChild(lcl_getConfigElement(xDocument, "/org.openoffice.Office.Common/Misc",
|
|
"UseOpenCL", "false"));
|
|
// Do not disable Skia entirely, just force its CPU-based raster mode.
|
|
xRootElement->appendChild(lcl_getConfigElement(xDocument, "/org.openoffice.Office.Common/VCL",
|
|
"ForceSkia", "false"));
|
|
xRootElement->appendChild(lcl_getConfigElement(xDocument, "/org.openoffice.Office.Common/VCL",
|
|
"ForceSkiaRaster", "true"));
|
|
|
|
OUString aTempURL;
|
|
{
|
|
// use the scope to make sure that the temp file gets properly closed before move
|
|
|
|
// write back
|
|
uno::Reference< xml::sax::XSAXSerializable > xSerializer(xDocument, uno::UNO_QUERY);
|
|
|
|
if (!xSerializer.is())
|
|
return;
|
|
|
|
// create a SAXWriter
|
|
uno::Reference< xml::sax::XWriter > const xSaxWriter = xml::sax::Writer::create(xContext);
|
|
uno::Reference< io::XTempFile > xTempFile = io::TempFile::create(xContext);
|
|
xTempFile->setRemoveFile(false); // avoid removal of tempfile when leaving the scope
|
|
uno::Reference< io::XOutputStream > xOutStrm = xTempFile->getOutputStream();
|
|
|
|
// set output stream and do the serialization
|
|
xSaxWriter->setOutputStream(xOutStrm);
|
|
xSerializer->serialize(xSaxWriter, uno::Sequence< beans::StringPair >());
|
|
|
|
// get URL from temp file
|
|
aTempURL = xTempFile->getUri();
|
|
}
|
|
|
|
// copy back file
|
|
if (aTempURL.isEmpty() || !DirectoryHelper::fileExists(aTempURL))
|
|
return;
|
|
|
|
if (DirectoryHelper::fileExists(aRegistryModifications))
|
|
{
|
|
osl::File::remove(aRegistryModifications);
|
|
}
|
|
|
|
int result = osl::File::move(aTempURL, aRegistryModifications);
|
|
SAL_WARN_IF(result != osl::FileBase::E_None, "comphelper.backupfilehelper", "could not copy back modified Extension configuration file");
|
|
}
|
|
|
|
bool BackupFileHelper::isTryResetCustomizationsPossible()
|
|
{
|
|
// return true if not all of the customization selection dirs or files are deleted
|
|
const std::vector< OUString >& rDirs = getCustomizationDirNames();
|
|
|
|
for (const auto& a : rDirs)
|
|
{
|
|
if (DirectoryHelper::dirExists(maUserConfigWorkURL + "/" + a))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
const std::vector< OUString >& rFiles = getCustomizationFileNames();
|
|
|
|
for (const auto& b : rFiles)
|
|
{
|
|
if (DirectoryHelper::fileExists(maUserConfigWorkURL + "/" + b))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void BackupFileHelper::tryResetCustomizations()
|
|
{
|
|
// delete all of the customization selection dirs
|
|
const std::vector< OUString >& rDirs = getCustomizationDirNames();
|
|
|
|
for (const auto& a : rDirs)
|
|
{
|
|
DirectoryHelper::deleteDirRecursively(maUserConfigWorkURL + "/" + a);
|
|
}
|
|
|
|
const std::vector< OUString >& rFiles = getCustomizationFileNames();
|
|
|
|
for (const auto& b : rFiles)
|
|
{
|
|
osl::File::remove(maUserConfigWorkURL + "/" + b);
|
|
}
|
|
}
|
|
|
|
void BackupFileHelper::tryResetUserProfile()
|
|
{
|
|
// completely delete the current UserProfile
|
|
DirectoryHelper::deleteDirRecursively(maUserConfigWorkURL);
|
|
}
|
|
|
|
const OUString& BackupFileHelper::getUserProfileURL()
|
|
{
|
|
return maUserConfigBaseURL;
|
|
}
|
|
|
|
const OUString& BackupFileHelper::getUserProfileWorkURL()
|
|
{
|
|
return maUserConfigWorkURL;
|
|
}
|
|
|
|
/////////////////// helpers ///////////////////////
|
|
|
|
OUString BackupFileHelper::getPackURL()
|
|
{
|
|
return OUString(maUserConfigWorkURL + "/pack");
|
|
}
|
|
|
|
/////////////////// file push helpers ///////////////////////
|
|
|
|
bool BackupFileHelper::tryPush_Files(
|
|
const std::set< OUString >& rDirs,
|
|
const std::set< std::pair< OUString, OUString > >& rFiles,
|
|
std::u16string_view rSourceURL, // source dir without trailing '/'
|
|
const OUString& rTargetURL // target dir without trailing '/'
|
|
)
|
|
{
|
|
bool bDidPush(false);
|
|
osl::Directory::createPath(rTargetURL);
|
|
|
|
// process files
|
|
for (const auto& file : rFiles)
|
|
{
|
|
bDidPush |= tryPush_file(
|
|
rSourceURL,
|
|
rTargetURL,
|
|
file.first,
|
|
file.second);
|
|
}
|
|
|
|
// process dirs
|
|
for (const auto& dir : rDirs)
|
|
{
|
|
OUString aNewSourceURL(OUString::Concat(rSourceURL) + "/" + dir);
|
|
OUString aNewTargetURL(rTargetURL + "/" + dir);
|
|
std::set< OUString > aNewDirs;
|
|
std::set< std::pair< OUString, OUString > > aNewFiles;
|
|
|
|
DirectoryHelper::scanDirsAndFiles(
|
|
aNewSourceURL,
|
|
aNewDirs,
|
|
aNewFiles);
|
|
|
|
if (!aNewDirs.empty() || !aNewFiles.empty())
|
|
{
|
|
bDidPush |= tryPush_Files(
|
|
aNewDirs,
|
|
aNewFiles,
|
|
aNewSourceURL,
|
|
aNewTargetURL);
|
|
}
|
|
}
|
|
|
|
if (!bDidPush)
|
|
{
|
|
// try removal of evtl. empty directory
|
|
osl::Directory::remove(rTargetURL);
|
|
}
|
|
|
|
return bDidPush;
|
|
}
|
|
|
|
bool BackupFileHelper::tryPush_file(
|
|
std::u16string_view rSourceURL, // source dir without trailing '/'
|
|
std::u16string_view rTargetURL, // target dir without trailing '/'
|
|
std::u16string_view rName, // filename
|
|
std::u16string_view rExt // extension (or empty)
|
|
)
|
|
{
|
|
const OUString aFileURL(createFileURL(rSourceURL, rName, rExt));
|
|
|
|
if (DirectoryHelper::fileExists(aFileURL))
|
|
{
|
|
const OUString aPackURL(createPackURL(rTargetURL, rName));
|
|
PackedFile aPackedFile(aPackURL);
|
|
FileSharedPtr aBaseFile = std::make_shared<osl::File>(aFileURL);
|
|
|
|
if (aPackedFile.tryPush(aBaseFile, mbCompress))
|
|
{
|
|
// reduce to allowed number and flush
|
|
aPackedFile.tryReduceToNumBackups(mnNumBackups);
|
|
aPackedFile.flush();
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/////////////////// file pop possibilities helper ///////////////////////
|
|
|
|
bool BackupFileHelper::isPopPossible_files(
|
|
const std::set< OUString >& rDirs,
|
|
const std::set< std::pair< OUString, OUString > >& rFiles,
|
|
std::u16string_view rSourceURL, // source dir without trailing '/'
|
|
std::u16string_view rTargetURL // target dir without trailing '/'
|
|
)
|
|
{
|
|
bool bPopPossible(false);
|
|
|
|
// process files
|
|
for (const auto& file : rFiles)
|
|
{
|
|
bPopPossible |= isPopPossible_file(
|
|
rSourceURL,
|
|
rTargetURL,
|
|
file.first,
|
|
file.second);
|
|
}
|
|
|
|
// process dirs
|
|
for (const auto& dir : rDirs)
|
|
{
|
|
OUString aNewSourceURL(OUString::Concat(rSourceURL) + "/" + dir);
|
|
OUString aNewTargetURL(OUString::Concat(rTargetURL) + "/" + dir);
|
|
std::set< OUString > aNewDirs;
|
|
std::set< std::pair< OUString, OUString > > aNewFiles;
|
|
|
|
DirectoryHelper::scanDirsAndFiles(
|
|
aNewSourceURL,
|
|
aNewDirs,
|
|
aNewFiles);
|
|
|
|
if (!aNewDirs.empty() || !aNewFiles.empty())
|
|
{
|
|
bPopPossible |= isPopPossible_files(
|
|
aNewDirs,
|
|
aNewFiles,
|
|
aNewSourceURL,
|
|
aNewTargetURL);
|
|
}
|
|
}
|
|
|
|
return bPopPossible;
|
|
}
|
|
|
|
bool BackupFileHelper::isPopPossible_file(
|
|
std::u16string_view rSourceURL, // source dir without trailing '/'
|
|
std::u16string_view rTargetURL, // target dir without trailing '/'
|
|
std::u16string_view rName, // filename
|
|
std::u16string_view rExt // extension (or empty)
|
|
)
|
|
{
|
|
const OUString aFileURL(createFileURL(rSourceURL, rName, rExt));
|
|
|
|
if (DirectoryHelper::fileExists(aFileURL))
|
|
{
|
|
const OUString aPackURL(createPackURL(rTargetURL, rName));
|
|
PackedFile aPackedFile(aPackURL);
|
|
|
|
return !aPackedFile.empty();
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/////////////////// file pop helpers ///////////////////////
|
|
|
|
bool BackupFileHelper::tryPop_files(
|
|
const std::set< OUString >& rDirs,
|
|
const std::set< std::pair< OUString, OUString > >& rFiles,
|
|
std::u16string_view rSourceURL, // source dir without trailing '/'
|
|
const OUString& rTargetURL // target dir without trailing '/'
|
|
)
|
|
{
|
|
bool bDidPop(false);
|
|
|
|
// process files
|
|
for (const auto& file : rFiles)
|
|
{
|
|
bDidPop |= tryPop_file(
|
|
rSourceURL,
|
|
rTargetURL,
|
|
file.first,
|
|
file.second);
|
|
}
|
|
|
|
// process dirs
|
|
for (const auto& dir : rDirs)
|
|
{
|
|
OUString aNewSourceURL(OUString::Concat(rSourceURL) + "/" + dir);
|
|
OUString aNewTargetURL(rTargetURL + "/" + dir);
|
|
std::set< OUString > aNewDirs;
|
|
std::set< std::pair< OUString, OUString > > aNewFiles;
|
|
|
|
DirectoryHelper::scanDirsAndFiles(
|
|
aNewSourceURL,
|
|
aNewDirs,
|
|
aNewFiles);
|
|
|
|
if (!aNewDirs.empty() || !aNewFiles.empty())
|
|
{
|
|
bDidPop |= tryPop_files(
|
|
aNewDirs,
|
|
aNewFiles,
|
|
aNewSourceURL,
|
|
aNewTargetURL);
|
|
}
|
|
}
|
|
|
|
if (bDidPop)
|
|
{
|
|
// try removal of evtl. empty directory
|
|
osl::Directory::remove(rTargetURL);
|
|
}
|
|
|
|
return bDidPop;
|
|
}
|
|
|
|
bool BackupFileHelper::tryPop_file(
|
|
std::u16string_view rSourceURL, // source dir without trailing '/'
|
|
std::u16string_view rTargetURL, // target dir without trailing '/'
|
|
std::u16string_view rName, // filename
|
|
std::u16string_view rExt // extension (or empty)
|
|
)
|
|
{
|
|
const OUString aFileURL(createFileURL(rSourceURL, rName, rExt));
|
|
|
|
if (!DirectoryHelper::fileExists(aFileURL))
|
|
return false;
|
|
|
|
// try Pop for base file
|
|
const OUString aPackURL(createPackURL(rTargetURL, rName));
|
|
PackedFile aPackedFile(aPackURL);
|
|
|
|
if (aPackedFile.empty())
|
|
return false;
|
|
|
|
oslFileHandle aHandle;
|
|
OUString aTempURL;
|
|
|
|
// open target temp file - it exists until deleted
|
|
if (osl::File::E_None != osl::FileBase::createTempFile(nullptr, &aHandle, &aTempURL))
|
|
return false;
|
|
|
|
bool bRetval(aPackedFile.tryPop(aHandle));
|
|
|
|
// close temp file (in all cases) - it exists until deleted
|
|
osl_closeFile(aHandle);
|
|
|
|
if (bRetval)
|
|
{
|
|
// copy over existing file by first deleting original
|
|
// and moving the temp file to old original
|
|
osl::File::remove(aFileURL);
|
|
osl::File::move(aTempURL, aFileURL);
|
|
|
|
// reduce to allowed number and flush
|
|
aPackedFile.tryReduceToNumBackups(mnNumBackups);
|
|
aPackedFile.flush();
|
|
}
|
|
|
|
// delete temp file (in all cases - it may be moved already)
|
|
osl::File::remove(aTempURL);
|
|
|
|
return bRetval;
|
|
}
|
|
|
|
/////////////////// ExtensionInfo helpers ///////////////////////
|
|
|
|
bool BackupFileHelper::tryPush_extensionInfo(
|
|
std::u16string_view rTargetURL // target dir without trailing '/'
|
|
)
|
|
{
|
|
ExtensionInfo aExtensionInfo;
|
|
OUString aTempURL;
|
|
bool bRetval(false);
|
|
|
|
// create current configuration and write to temp file - it exists until deleted
|
|
if (aExtensionInfo.createTempFile(aTempURL))
|
|
{
|
|
const OUString aPackURL(createPackURL(rTargetURL, u"ExtensionInfo"));
|
|
PackedFile aPackedFile(aPackURL);
|
|
FileSharedPtr aBaseFile = std::make_shared<osl::File>(aTempURL);
|
|
|
|
if (aPackedFile.tryPush(aBaseFile, mbCompress))
|
|
{
|
|
// reduce to allowed number and flush
|
|
aPackedFile.tryReduceToNumBackups(mnNumBackups);
|
|
aPackedFile.flush();
|
|
bRetval = true;
|
|
}
|
|
}
|
|
|
|
// delete temp file (in all cases)
|
|
osl::File::remove(aTempURL);
|
|
return bRetval;
|
|
}
|
|
|
|
bool BackupFileHelper::isPopPossible_extensionInfo(
|
|
std::u16string_view rTargetURL // target dir without trailing '/'
|
|
)
|
|
{
|
|
// extensionInfo always exists internally, no test needed
|
|
const OUString aPackURL(createPackURL(rTargetURL, u"ExtensionInfo"));
|
|
PackedFile aPackedFile(aPackURL);
|
|
|
|
return !aPackedFile.empty();
|
|
}
|
|
|
|
bool BackupFileHelper::tryPop_extensionInfo(
|
|
std::u16string_view rTargetURL // target dir without trailing '/'
|
|
)
|
|
{
|
|
// extensionInfo always exists internally, no test needed
|
|
const OUString aPackURL(createPackURL(rTargetURL, u"ExtensionInfo"));
|
|
PackedFile aPackedFile(aPackURL);
|
|
|
|
if (aPackedFile.empty())
|
|
return false;
|
|
|
|
oslFileHandle aHandle;
|
|
OUString aTempURL;
|
|
|
|
// open target temp file - it exists until deleted
|
|
if (osl::File::E_None != osl::FileBase::createTempFile(nullptr, &aHandle, &aTempURL))
|
|
return false;
|
|
|
|
bool bRetval(aPackedFile.tryPop(aHandle));
|
|
|
|
// close temp file (in all cases) - it exists until deleted
|
|
osl_closeFile(aHandle);
|
|
|
|
if (bRetval)
|
|
{
|
|
// last config is in temp file, load it to ExtensionInfo
|
|
ExtensionInfo aLoadedExtensionInfo;
|
|
FileSharedPtr aBaseFile = std::make_shared<osl::File>(aTempURL);
|
|
|
|
if (osl::File::E_None == aBaseFile->open(osl_File_OpenFlag_Read))
|
|
{
|
|
if (aLoadedExtensionInfo.read_entries(aBaseFile))
|
|
{
|
|
// get current extension info, but from XML config files
|
|
ExtensionInfo aCurrentExtensionInfo;
|
|
|
|
aCurrentExtensionInfo.createUserExtensionRegistryEntriesFromXML(maUserConfigWorkURL);
|
|
|
|
// now we have loaded last_working (aLoadedExtensionInfo) and
|
|
// current (aCurrentExtensionInfo) ExtensionInfo and may react on
|
|
// differences by de/activating these as needed
|
|
const ExtensionInfoEntryVector& aUserEntries = aCurrentExtensionInfo.getExtensionInfoEntryVector();
|
|
const ExtensionInfoEntryVector& rLoadedVector = aLoadedExtensionInfo.getExtensionInfoEntryVector();
|
|
ExtensionInfoEntryVector aToBeDisabled;
|
|
ExtensionInfoEntryVector aToBeEnabled;
|
|
|
|
for (const auto& rCurrentInfo : aUserEntries)
|
|
{
|
|
const ExtensionInfoEntry* pLoadedInfo = nullptr;
|
|
|
|
for (const auto& rLoadedInfo : rLoadedVector)
|
|
{
|
|
if (rCurrentInfo.isSameExtension(rLoadedInfo))
|
|
{
|
|
pLoadedInfo = &rLoadedInfo;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (nullptr != pLoadedInfo)
|
|
{
|
|
// loaded info contains information about the Extension rCurrentInfo
|
|
const bool bCurrentEnabled(rCurrentInfo.isEnabled());
|
|
const bool bLoadedEnabled(pLoadedInfo->isEnabled());
|
|
|
|
if (bCurrentEnabled && !bLoadedEnabled)
|
|
{
|
|
aToBeDisabled.push_back(rCurrentInfo);
|
|
}
|
|
else if (!bCurrentEnabled && bLoadedEnabled)
|
|
{
|
|
aToBeEnabled.push_back(rCurrentInfo);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// There is no loaded info about the Extension rCurrentInfo.
|
|
// It needs to be disabled
|
|
if (rCurrentInfo.isEnabled())
|
|
{
|
|
aToBeDisabled.push_back(rCurrentInfo);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!aToBeDisabled.empty() || !aToBeEnabled.empty())
|
|
{
|
|
ExtensionInfo::changeEnableDisableStateInXML(maUserConfigWorkURL, aToBeEnabled, aToBeDisabled);
|
|
}
|
|
|
|
bRetval = true;
|
|
}
|
|
}
|
|
|
|
// reduce to allowed number and flush
|
|
aPackedFile.tryReduceToNumBackups(mnNumBackups);
|
|
aPackedFile.flush();
|
|
}
|
|
|
|
// delete temp file (in all cases - it may be moved already)
|
|
osl::File::remove(aTempURL);
|
|
|
|
return bRetval;
|
|
}
|
|
|
|
/////////////////// FileDirInfo helpers ///////////////////////
|
|
|
|
void BackupFileHelper::fillDirFileInfo()
|
|
{
|
|
if (!maDirs.empty() || !maFiles.empty())
|
|
{
|
|
// already done
|
|
return;
|
|
}
|
|
|
|
// Information about the configuration and the role/purpose of directories in
|
|
// the UserConfiguration is taken from: https://wiki.documentfoundation.org/UserProfile
|
|
|
|
// fill dir and file info list to work with dependent on work mode
|
|
switch (mnMode)
|
|
{
|
|
case 0:
|
|
{
|
|
// simple mode: add just registrymodifications
|
|
// (the orig file in maInitialBaseURL)
|
|
maFiles.insert(std::pair< OUString, OUString >(maRegModName, maExt));
|
|
break;
|
|
}
|
|
case 1:
|
|
{
|
|
// defined mode: Add a selection of dirs containing User-Defined and thus
|
|
// valuable configuration information.
|
|
// This is clearly discussable in every single point and may be adapted/corrected
|
|
// over time. Main focus is to secure User-Defined/adapted values
|
|
|
|
// add registrymodifications (the orig file in maInitialBaseURL)
|
|
maFiles.insert(std::pair< OUString, OUString >(maRegModName, maExt));
|
|
|
|
// User-defined substitution table (Tools/AutoCorrect)
|
|
maDirs.insert("autocorr");
|
|
|
|
// User-Defined AutoText (Edit/AutoText)
|
|
maDirs.insert("autotext");
|
|
|
|
// User-defined Macros
|
|
maDirs.insert("basic");
|
|
|
|
// User-adapted toolbars for modules
|
|
maDirs.insert("config");
|
|
|
|
// Initial and User-defined Databases
|
|
maDirs.insert("database");
|
|
|
|
// most part of registry files
|
|
maDirs.insert("registry");
|
|
|
|
// User-Defined Scripts
|
|
maDirs.insert("Scripts");
|
|
|
|
// Template files
|
|
maDirs.insert("template");
|
|
|
|
// Custom Dictionaries
|
|
maDirs.insert("wordbook");
|
|
|
|
// Questionable - where and how is Extension stuff held and how
|
|
// does this interact with enabled/disabled states which are extra handled?
|
|
// Keep out of business until deeper evaluated
|
|
//
|
|
// maDirs.insert("extensions");
|
|
// maDirs.insert("uno-packages");
|
|
break;
|
|
}
|
|
case 2:
|
|
{
|
|
// whole directory. To do so, scan directory and exclude some dirs
|
|
// from which we know they do not need to be secured explicitly. This
|
|
// should already include registrymodifications, too.
|
|
DirectoryHelper::scanDirsAndFiles(
|
|
maUserConfigWorkURL,
|
|
maDirs,
|
|
maFiles);
|
|
|
|
// should not exist, but for the case an error occurred and it got
|
|
// copied somehow, avoid further recursive copying/saving
|
|
maDirs.erase("SafeMode");
|
|
|
|
// not really needed, can be abandoned
|
|
maDirs.erase("psprint");
|
|
|
|
// not really needed, can be abandoned
|
|
maDirs.erase("store");
|
|
|
|
// not really needed, can be abandoned
|
|
maDirs.erase("temp");
|
|
|
|
// exclude own backup dir to avoid recursion
|
|
maDirs.erase("pack");
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|