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Diffstat (limited to 'configmgr/source/writemodfile.cxx')
| -rw-r--r-- | configmgr/source/writemodfile.cxx | 640 |
1 files changed, 640 insertions, 0 deletions
diff --git a/configmgr/source/writemodfile.cxx b/configmgr/source/writemodfile.cxx new file mode 100644 index 000000000..09fe0949b --- /dev/null +++ b/configmgr/source/writemodfile.cxx @@ -0,0 +1,640 @@ +/* -*- 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/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <sal/config.h> + +#include <cassert> +#include <cstddef> +#include <limits> +#include <string_view> + +#include <com/sun/star/uno/Any.hxx> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <com/sun/star/uno/Sequence.hxx> +#include <o3tl/safeint.hxx> +#include <osl/file.h> +#include <osl/file.hxx> +#include <rtl/string.h> +#include <rtl/string.hxx> +#include <rtl/textcvt.h> +#include <rtl/textenc.h> +#include <rtl/ustring.hxx> +#include <rtl/strbuf.hxx> +#include <sal/log.hxx> +#include <sal/types.h> +#include <xmlreader/span.hxx> + +#include "data.hxx" +#include "groupnode.hxx" +#include "localizedpropertynode.hxx" +#include "localizedvaluenode.hxx" +#include "modifications.hxx" +#include "node.hxx" +#include "nodemap.hxx" +#include "propertynode.hxx" +#include "type.hxx" +#include "writemodfile.hxx" + +namespace configmgr { + +class Components; + +namespace { + +OString convertToUtf8(std::u16string_view text) { + OString s; + assert(text.size() <= o3tl::make_unsigned(std::numeric_limits<sal_Int32>::max())); + if (!rtl_convertUStringToString( + &s.pData, text.data(), text.size(), + RTL_TEXTENCODING_UTF8, + (RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR | + RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR))) + { + throw css::uno::RuntimeException( + "cannot convert to UTF-8"); + } + return s; +} + +} // anonymous namespace + +TempFile::~TempFile() { + if (handle == nullptr) + return; + + if (!closed) { + oslFileError e = osl_closeFile(handle); + if (e != osl_File_E_None) { + SAL_WARN("configmgr", "osl_closeFile failed with " << +e); + } + } + osl::FileBase::RC e = osl::File::remove(url); + if (e != osl::FileBase::E_None) { + SAL_WARN( + "configmgr", + "osl::File::remove(" << url << ") failed with " << +e); + } +} + +#ifdef _WIN32 +oslFileError TempFile::closeWithoutUnlink() { + flush(); + oslFileError e = osl_closeFile(handle); + handle = nullptr; + closed = true; + return e; +} +#endif + +void TempFile::closeAndRename(const OUString &_url) { + oslFileError e = flush(); + if (e != osl_File_E_None) { + throw css::uno::RuntimeException( + "cannot write to " + url); + } + e = osl_closeFile(handle); + closed = true; + if (e != osl_File_E_None) { + throw css::uno::RuntimeException( + "cannot close " + url); + } + if (osl::File::replace(url, _url) != osl::FileBase::E_None) { + throw css::uno::RuntimeException( + "cannot move " + url); + } + handle = nullptr; +} + +oslFileError TempFile::flush() { + oslFileError e = osl_File_E_None; + if (!buffer.isEmpty()) { + sal_uInt64 nBytesWritten = 0; + e = osl_writeFile(handle, buffer.getStr(), + static_cast< sal_uInt32 >(buffer.getLength()), + &nBytesWritten); + if (nBytesWritten != static_cast< sal_uInt32 >(buffer.getLength())) { + // queue up any error / exception until close. + buffer.remove(0, static_cast< sal_Int32 >( nBytesWritten ) ); + } else { + buffer.setLength(0); + } + } + return e; +} + +void TempFile::writeString(std::string_view text) { + buffer.append(text.data(), text.size()); + if (buffer.getLength() > 0x10000) + flush(); +} + +namespace { + +void writeValueContent_(TempFile &, bool) = delete; + // silence loplugin:salbool +void writeValueContent_(TempFile &handle, sal_Bool value) { + if (value) { + handle.writeString("true"); + } else { + handle.writeString("false"); + } +} + +void writeValueContent_(TempFile &handle, sal_Int16 value) { + handle.writeString(OString::number(value)); +} + +void writeValueContent_(TempFile &handle, sal_Int32 value) { + handle.writeString(OString::number(value)); +} + +void writeValueContent_(TempFile &handle, sal_Int64 value) { + handle.writeString(OString::number(value)); +} + +void writeValueContent_(TempFile &handle, double value) { + handle.writeString(OString::number(value)); +} + +void writeValueContent_(TempFile &handle, std::u16string_view value) { + writeValueContent(handle, value); +} + +void writeValueContent_( + TempFile &handle, css::uno::Sequence< sal_Int8 > const & value) +{ + for (const auto & v : value) { + static char const hexDigit[16] = { + '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', + 'D', 'E', 'F' }; + handle.writeString( + std::string_view(hexDigit + ((v >> 4) & 0xF), 1)); + handle.writeString(std::string_view(hexDigit + (v & 0xF), 1)); + } +} + +template< typename T > void writeSingleValue( + TempFile &handle, css::uno::Any const & value) +{ + handle.writeString(">"); + T val = T(); + value >>= val; + writeValueContent_(handle, val); + handle.writeString("</value>"); +} + +template< typename T > void writeListValue( + TempFile &handle, css::uno::Any const & value) +{ + handle.writeString(">"); + css::uno::Sequence< T > val; + value >>= val; + for (sal_Int32 i = 0; i < val.getLength(); ++i) { + if (i != 0) { + handle.writeString(" "); + } + writeValueContent_(handle, std::as_const(val)[i]); + } + handle.writeString("</value>"); +} + +template< typename T > void writeItemListValue( + TempFile &handle, css::uno::Any const & value) +{ + handle.writeString(">"); + css::uno::Sequence< T > val; + value >>= val; + for (const auto & i : std::as_const(val)) { + handle.writeString("<it>"); + writeValueContent_(handle, i); + handle.writeString("</it>"); + } + handle.writeString("</value>"); +} + +void writeValue(TempFile &handle, Type type, css::uno::Any const & value) { + switch (type) { + case TYPE_BOOLEAN: + writeSingleValue< sal_Bool >(handle, value); + break; + case TYPE_SHORT: + writeSingleValue< sal_Int16 >(handle, value); + break; + case TYPE_INT: + writeSingleValue< sal_Int32 >(handle, value); + break; + case TYPE_LONG: + writeSingleValue< sal_Int64 >(handle, value); + break; + case TYPE_DOUBLE: + writeSingleValue< double >(handle, value); + break; + case TYPE_STRING: + writeSingleValue< OUString >(handle, value); + break; + case TYPE_HEXBINARY: + writeSingleValue< css::uno::Sequence< sal_Int8 > >(handle, value); + break; + case TYPE_BOOLEAN_LIST: + writeListValue< sal_Bool >(handle, value); + break; + case TYPE_SHORT_LIST: + writeListValue< sal_Int16 >(handle, value); + break; + case TYPE_INT_LIST: + writeListValue< sal_Int32 >(handle, value); + break; + case TYPE_LONG_LIST: + writeListValue< sal_Int64 >(handle, value); + break; + case TYPE_DOUBLE_LIST: + writeListValue< double >(handle, value); + break; + case TYPE_STRING_LIST: + writeItemListValue< OUString >(handle, value); + break; + case TYPE_HEXBINARY_LIST: + writeItemListValue< css::uno::Sequence< sal_Int8 > >(handle, value); + break; + default: // TYPE_ERROR, TYPE_NIL, TYPE_ANY + assert(false); // this cannot happen + } +} + +void writeNode( + Components & components, TempFile &handle, + rtl::Reference< Node > const & parent, std::u16string_view name, + rtl::Reference< Node > const & node) +{ + static xmlreader::Span const typeNames[] = { + xmlreader::Span(), xmlreader::Span(), xmlreader::Span(), + // TYPE_ERROR, TYPE_NIL, TYPE_ANY + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:boolean")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:short")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:int")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:long")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:double")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:string")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("xs:hexBinary")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:boolean-list")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:short-list")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:int-list")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:long-list")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:double-list")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:string-list")), + xmlreader::Span(RTL_CONSTASCII_STRINGPARAM("oor:hexBinary-list")) }; + switch (node->kind()) { + case Node::KIND_PROPERTY: + { + PropertyNode * prop = static_cast< PropertyNode * >(node.get()); + handle.writeString("<prop oor:name=\""); + writeAttributeValue(handle, name); + handle.writeString("\" oor:op=\"fuse\""); + Type type = prop->getStaticType(); + Type dynType = getDynamicType(prop->getValue(components)); + assert(dynType != TYPE_ERROR); + if (type == TYPE_ANY) { + type = dynType; + if (type != TYPE_NIL) { + handle.writeString(" oor:type=\""); + handle.writeString( + std::string_view( + typeNames[type].begin, typeNames[type].length)); + handle.writeString("\""); + } + } + handle.writeString("><value"); + if (dynType == TYPE_NIL) { + handle.writeString(" xsi:nil=\"true\"/>"); + } else { + writeValue(handle, type, prop->getValue(components)); + } + handle.writeString("</prop>"); + } + break; + case Node::KIND_LOCALIZED_PROPERTY: + handle.writeString("<prop oor:name=\""); + writeAttributeValue(handle, name); + handle.writeString("\" oor:op=\"fuse\">"); + for (auto const& member : node->getMembers()) + { + writeNode(components, handle, node, member.first, member.second); + } + handle.writeString("</prop>"); + break; + case Node::KIND_LOCALIZED_VALUE: + { + handle.writeString("<value"); + if (!name.empty()) { + handle.writeString(" xml:lang=\""); + writeAttributeValue(handle, name); + handle.writeString("\""); + } + Type type = static_cast< LocalizedPropertyNode * >(parent.get())-> + getStaticType(); + css::uno::Any value( + static_cast< LocalizedValueNode * >(node.get())->getValue()); + Type dynType = getDynamicType(value); + assert(dynType != TYPE_ERROR); + if (type == TYPE_ANY) { + type = dynType; + if (type != TYPE_NIL) { + handle.writeString(" oor:type=\""); + handle.writeString( + std::string_view( + typeNames[type].begin, typeNames[type].length)); + handle.writeString("\""); + } + } + if (dynType == TYPE_NIL) { + handle.writeString(" xsi:nil=\"true\"/>"); + } else { + writeValue(handle, type, value); + } + } + break; + case Node::KIND_GROUP: + case Node::KIND_SET: + handle.writeString("<node oor:name=\""); + writeAttributeValue(handle, name); + if (!node->getTemplateName().isEmpty()) { // set member + handle.writeString("\" oor:op=\"replace"); + } + handle.writeString("\">"); + for (auto const& member : node->getMembers()) + { + writeNode(components, handle, node, member.first, member.second); + } + handle.writeString("</node>"); + break; + case Node::KIND_ROOT: + assert(false); // this cannot happen + break; + } +} + +// helpers to allow sorting of configmgr::Modifications::Node +typedef std::pair< const OUString, configmgr::Modifications::Node > ModNodePairEntry; +struct PairEntrySorter +{ + bool operator() (const ModNodePairEntry* pValue1, const ModNodePairEntry* pValue2) const + { + return pValue1->first.compareTo(pValue2->first) < 0; + } +}; + +void writeModifications( + Components & components, TempFile &handle, + std::u16string_view parentPathRepresentation, + rtl::Reference< Node > const & parent, OUString const & nodeName, + rtl::Reference< Node > const & node, + Modifications::Node const & modifications) +{ + // It is never necessary to write oor:finalized or oor:mandatory attributes, + // as they cannot be set via the UNO API. + if (modifications.children.empty()) { + assert(parent.is()); + // components themselves have no parent but must have children + handle.writeString("<item oor:path=\""); + writeAttributeValue(handle, parentPathRepresentation); + handle.writeString("\">"); + if (node.is()) { + writeNode(components, handle, parent, nodeName, node); + } else { + switch (parent->kind()) { + case Node::KIND_LOCALIZED_PROPERTY: + handle.writeString("<value"); + if (!nodeName.isEmpty()) { + handle.writeString(" xml:lang=\""); + writeAttributeValue(handle, nodeName); + handle.writeString("\""); + } + handle.writeString(" oor:op=\"remove\"/>"); + break; + case Node::KIND_GROUP: + assert( + static_cast< GroupNode * >(parent.get())->isExtensible()); + handle.writeString("<prop oor:name=\""); + writeAttributeValue(handle, nodeName); + handle.writeString("\" oor:op=\"remove\"/>"); + break; + case Node::KIND_SET: + handle.writeString("<node oor:name=\""); + writeAttributeValue(handle, nodeName); + handle.writeString("\" oor:op=\"remove\"/>"); + break; + default: + assert(false); // this cannot happen + break; + } + } + handle.writeString("</item>\n"); + } else { + assert(node.is()); + OUString pathRep( + OUString::Concat(parentPathRepresentation) + "/" + + Data::createSegment(node->getTemplateName(), nodeName)); + + // copy configmgr::Modifications::Node's to a sortable list. Use pointers + // to just reference the data instead of copying it + std::vector< const ModNodePairEntry* > ModNodePairEntryVector; + ModNodePairEntryVector.reserve(modifications.children.size()); + + for (const auto& rCand : modifications.children) + { + ModNodePairEntryVector.push_back(&rCand); + } + + // sort the list + std::sort(ModNodePairEntryVector.begin(), ModNodePairEntryVector.end(), PairEntrySorter()); + + // now use the list to write entries in sorted order + // instead of random as from the unordered map + for (const auto & i : ModNodePairEntryVector) + { + writeModifications( + components, handle, pathRep, node, i->first, + node->getMember(i->first), i->second); + } + } +} + +} + +void writeAttributeValue(TempFile &handle, std::u16string_view value) { + std::size_t i = 0; + std::size_t j = i; + for (; j != value.size(); ++j) { + assert( + value[j] == 0x0009 || value[j] == 0x000A || value[j] == 0x000D || + (value[j] >= 0x0020 && value[j] != 0xFFFE && value[j] != 0xFFFF)); + switch(value[j]) { + case '\x09': + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("	"); + i = j + 1; + break; + case '\x0A': + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("
"); + i = j + 1; + break; + case '\x0D': + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("
"); + i = j + 1; + break; + case '"': + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("""); + i = j + 1; + break; + case '&': + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("&"); + i = j + 1; + break; + case '<': + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("<"); + i = j + 1; + break; + default: + break; + } + } + handle.writeString(convertToUtf8(value.substr(i, j - i))); +} + +void writeValueContent(TempFile &handle, std::u16string_view value) { + std::size_t i = 0; + std::size_t j = i; + for (; j != value.size(); ++j) { + char16_t c = value[j]; + if ((c < 0x0020 && c != 0x0009 && c != 0x000A && c != 0x000D) || + c == 0xFFFE || c == 0xFFFF) + { + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("<unicode oor:scalar=\""); + handle.writeString(OString::number(c)); + handle.writeString("\"/>"); + i = j + 1; + } else if (c == '\x0D') { + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("
"); + i = j + 1; + } else if (c == '&') { + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("&"); + i = j + 1; + } else if (c == '<') { + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString("<"); + i = j + 1; + } else if (c == '>') { + // "MUST, for compatibility, be escaped [...] when it appears in the + // string ']]>'": + handle.writeString(convertToUtf8(value.substr(i, j - i))); + handle.writeString(">"); + i = j + 1; + } + } + handle.writeString(convertToUtf8(value.substr(i, j - i))); +} + +void writeModFile( + Components & components, OUString const & url, Data const & data) +{ + sal_Int32 i = url.lastIndexOf('/'); + assert(i != -1); + OUString dir(url.copy(0, i)); + switch (osl::Directory::createPath(dir)) { + case osl::FileBase::E_None: + case osl::FileBase::E_EXIST: + break; + case osl::FileBase::E_ACCES: + SAL_INFO( + "configmgr", + ("cannot create registrymodifications.xcu path (E_ACCES); changes" + " will be lost")); + return; + default: + throw css::uno::RuntimeException( + "cannot create directory " + dir); + } + TempFile tmp; + switch (osl::FileBase::createTempFile(&dir, &tmp.handle, &tmp.url)) { + case osl::FileBase::E_None: + break; + case osl::FileBase::E_ACCES: + SAL_INFO( + "configmgr", + ("cannot create temp registrymodifications.xcu (E_ACCES); changes" + " will be lost")); + return; + default: + throw css::uno::RuntimeException( + "cannot create temporary file in " + dir); + } + tmp.writeString( + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<oor:items" + " xmlns:oor=\"http://openoffice.org/2001/registry\"" + " xmlns:xs=\"http://www.w3.org/2001/XMLSchema\"" + " xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n"); + //TODO: Do not write back information about those removed items that did not + // come from the .xcs/.xcu files, anyway (but had been added dynamically + // instead): + + // For profilesafemode it is necessary to detect changes in the + // registrymodifications file, this is done based on file size in bytes and crc32. + // Unfortunately this write is based on writing unordered map entries, which creates + // valid and semantically equal XML-Files, bubt with different crc32 checksums. For + // the future usage it will be preferable to have easily comparable config files + // which is guaranteed by writing the entries in sorted order. Indeed with this change + // (and in the recursive writeModifications call) the same config files get written + + // copy configmgr::Modifications::Node's to a sortable list. Use pointers + // to just reference the data instead of copying it + std::vector< const ModNodePairEntry* > ModNodePairEntryVector; + ModNodePairEntryVector.reserve(data.modifications.getRoot().children.size()); + + for (const auto& rCand : data.modifications.getRoot().children) + { + ModNodePairEntryVector.push_back(&rCand); + } + + // sort the list + std::sort(ModNodePairEntryVector.begin(), ModNodePairEntryVector.end(), PairEntrySorter()); + + // now use the list to write entries in sorted order + // instead of random as from the unordered map + for (const auto& j : ModNodePairEntryVector) + { + writeModifications( + components, tmp, u"", rtl::Reference< Node >(), j->first, + data.getComponents().findNode(Data::NO_LAYER, j->first), + j->second); + } + tmp.writeString("</oor:items>\n"); + tmp.closeAndRename(url); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |