diff options
Diffstat (limited to 'unotools/source/ucbhelper/ucbhelper.cxx')
| -rw-r--r-- | unotools/source/ucbhelper/ucbhelper.cxx | 413 |
1 files changed, 413 insertions, 0 deletions
diff --git a/unotools/source/ucbhelper/ucbhelper.cxx b/unotools/source/ucbhelper/ucbhelper.cxx new file mode 100644 index 000000000..4878ec1ce --- /dev/null +++ b/unotools/source/ucbhelper/ucbhelper.cxx @@ -0,0 +1,413 @@ +/* -*- 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 <vector> + +#include <com/sun/star/sdbc/XResultSet.hpp> +#include <com/sun/star/task/XInteractionHandler.hpp> +#include <com/sun/star/task/InteractionHandler.hpp> +#include <com/sun/star/ucb/CommandAbortedException.hpp> +#include <com/sun/star/ucb/ContentInfo.hpp> +#include <com/sun/star/ucb/ContentInfoAttribute.hpp> +#include <com/sun/star/ucb/IOErrorCode.hpp> +#include <com/sun/star/ucb/InteractiveIOException.hpp> +#include <com/sun/star/ucb/NameClashException.hpp> +#include <com/sun/star/ucb/UniversalContentBroker.hpp> +#include <com/sun/star/ucb/XCommandEnvironment.hpp> +#include <com/sun/star/ucb/XContentAccess.hpp> +#include <com/sun/star/ucb/XUniversalContentBroker.hpp> +#include <com/sun/star/uno/Any.hxx> +#include <com/sun/star/uno/Exception.hpp> +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/uno/RuntimeException.hpp> +#include <com/sun/star/uno/Sequence.hxx> +#include <comphelper/processfactory.hxx> +#include <comphelper/simplefileaccessinteraction.hxx> +#include <osl/file.hxx> +#include <rtl/ustring.hxx> +#include <sal/log.hxx> +#include <tools/datetime.hxx> +#include <tools/urlobj.hxx> +#include <tools/diagnose_ex.h> +#include <ucbhelper/commandenvironment.hxx> +#include <ucbhelper/content.hxx> +#include <unotools/ucbhelper.hxx> + +namespace com::sun::star::ucb { class XProgressHandler; } +namespace com::sun::star::uno { class XComponentContext; } +namespace com::sun::star::util { struct DateTime; } + +namespace { + +OUString canonic(OUString const & url) { + INetURLObject o(url); + SAL_WARN_IF(o.HasError(), "unotools.ucbhelper", "Invalid URL \"" << url << '"'); + return o.GetMainURL(INetURLObject::DecodeMechanism::NONE); +} + +ucbhelper::Content content(OUString const & url) { + return ucbhelper::Content( + canonic(url), + utl::UCBContentHelper::getDefaultCommandEnvironment(), + comphelper::getProcessComponentContext()); +} + +ucbhelper::Content content(INetURLObject const & url) { + return ucbhelper::Content( + url.GetMainURL(INetURLObject::DecodeMechanism::NONE), + utl::UCBContentHelper::getDefaultCommandEnvironment(), + comphelper::getProcessComponentContext()); +} + +std::vector<OUString> getContents(OUString const & url) { + try { + std::vector<OUString> cs; + ucbhelper::Content c(content(url)); + css::uno::Sequence<OUString> args { "Title" }; + css::uno::Reference<css::sdbc::XResultSet> res( c.createCursor(args), css::uno::UNO_SET_THROW); + css::uno::Reference<css::ucb::XContentAccess> acc( res, css::uno::UNO_QUERY_THROW); + while (res->next()) { + cs.push_back(acc->queryContentIdentifierString()); + } + return cs; + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION("unotools.ucbhelper", "getContents(" << url << ")"); + return std::vector<OUString>(); + } +} + +OUString getCasePreservingUrl(const INetURLObject& url) { + return + content(url).executeCommand( + "getCasePreservingURL", + css::uno::Any()). + get<OUString>(); +} + +DateTime convert(css::util::DateTime const & dt) { + return DateTime(dt); +} + +} + +css::uno::Reference< css::ucb::XCommandEnvironment > utl::UCBContentHelper::getDefaultCommandEnvironment() +{ + css::uno::Reference< css::task::XInteractionHandler > xIH( + css::task::InteractionHandler::createWithParent( + comphelper::getProcessComponentContext(), nullptr ) ); + + css::uno::Reference< css::ucb::XProgressHandler > xProgress; + rtl::Reference<ucbhelper::CommandEnvironment> pCommandEnv = + new ::ucbhelper::CommandEnvironment( + new comphelper::SimpleFileAccessInteraction( xIH ), xProgress ); + + return pCommandEnv; +} + +bool utl::UCBContentHelper::IsDocument(OUString const & url) { + try { + return content(url).isDocument(); + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION("unotools.ucbhelper", "UCBContentHelper::IsDocument(" << url << ")"); + return false; + } +} + +css::uno::Any utl::UCBContentHelper::GetProperty( + OUString const & url, OUString const & property) +{ + try { + return content(url).getPropertyValue(property); + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION("unotools.ucbhelper", "UCBContentHelper::GetProperty(" << url << ", " << property << ")"); + return css::uno::Any(); + } +} + +bool utl::UCBContentHelper::IsFolder(OUString const & url) { + try { + return content(url).isFolder(); + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION("unotools.ucbhelper", "UCBContentHelper::IsFolder(" << url << ")"); + return false; + } +} + +bool utl::UCBContentHelper::GetTitle( + OUString const & url, OUString * title) +{ + assert(title != nullptr); + try { + return content(url).getPropertyValue("Title") >>= *title; + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION("unotools.ucbhelper", "UCBContentHelper::GetTitle(" << url << ")"); + return false; + } +} + +bool utl::UCBContentHelper::Kill(OUString const & url) { + try { + content(url).executeCommand( + "delete", + css::uno::Any(true)); + return true; + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION("unotools.ucbhelper", "UCBContentHelper::Kill(" << url << ")"); + return false; + } +} + +bool utl::UCBContentHelper::MakeFolder( + ucbhelper::Content & parent, OUString const & title, + ucbhelper::Content & result) +{ + bool exists = false; + try { + const css::uno::Sequence<css::ucb::ContentInfo> info( + parent.queryCreatableContentsInfo()); + for (const auto& rInfo : info) { + // Simply look for the first KIND_FOLDER: + if ((rInfo.Attributes + & css::ucb::ContentInfoAttribute::KIND_FOLDER) + != 0) + { + // Make sure the only required bootstrap property is "Title": + if ( rInfo.Properties.getLength() != 1 || rInfo.Properties[0].Name != "Title" ) + { + continue; + } + if (parent.insertNewContent(rInfo.Type, { "Title" }, { css::uno::Any(title) }, result)) + { + return true; + } + } + } + } catch (css::ucb::InteractiveIOException const & e) { + if (e.Code == css::ucb::IOErrorCode_ALREADY_EXISTING) { + exists = true; + } else { + TOOLS_INFO_EXCEPTION( + "unotools.ucbhelper", + "UCBContentHelper::MakeFolder(" << title << ")"); + } + } catch (css::ucb::NameClashException const &) { + exists = true; + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION( + "unotools.ucbhelper", + "UCBContentHelper::MakeFolder(" << title << ") "); + } + if (exists) { + INetURLObject o(parent.getURL()); + o.Append(title); + result = content(o); + return true; + } else { + return false; + } +} + +bool utl::UCBContentHelper::IsYounger( + OUString const & younger, OUString const & older) +{ + try { + return + convert( + content(younger).getPropertyValue( + "DateModified"). + get<css::util::DateTime>()) + > convert( + content(older).getPropertyValue( + "DateModified"). + get<css::util::DateTime>()); + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION( + "unotools.ucbhelper", + "UCBContentHelper::IsYounger(" << younger << ", " << older << ")"); + return false; + } +} + +bool utl::UCBContentHelper::Exists(OUString const & url) { + OUString pathname; + if (osl::FileBase::getSystemPathFromFileURL(url, pathname) + == osl::FileBase::E_None) + { + // Try to create a directory entry for the given URL: + OUString url2; + if (osl::FileBase::getFileURLFromSystemPath(pathname, url2) + == osl::FileBase::E_None) + { + // #106526 osl_getDirectoryItem is an existence check, no further + // osl_getFileStatus call necessary: + osl::DirectoryItem item; + return osl::DirectoryItem::get(url2, item) == osl::FileBase::E_None; + } else { + return false; + } + } else { + // Divide URL into folder and name part: + INetURLObject o(url); + OUString name( + o.getName( + INetURLObject::LAST_SEGMENT, true, + INetURLObject::DecodeMechanism::WithCharset)); + o.removeSegment(); + o.removeFinalSlash(); + std::vector<OUString> cs( + getContents(o.GetMainURL(INetURLObject::DecodeMechanism::NONE))); + return std::any_of(cs.begin(), cs.end(), + [&name](const OUString& rItem) { + return INetURLObject(rItem). + getName(INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset). + equalsIgnoreAsciiCase(name); }); + } +} + +bool utl::UCBContentHelper::IsSubPath( + OUString const & parent, OUString const & child) +{ + // The comparison is done in the following way: + // - First, compare case sensitively + // - If names are different, try a fallback comparing case insensitively + // - If the last comparison succeeded, get case preserving normalized names + // for the files and compare them + // (The second step is required because retrieving the normalized names + // might be very expensive in some cases.) + INetURLObject candidate(child); + INetURLObject folder(parent); + if (candidate.GetProtocol() != folder.GetProtocol()) { + return false; + } + INetURLObject candidateLower(child.toAsciiLowerCase()); + INetURLObject folderLower(parent.toAsciiLowerCase()); + try { + INetURLObject tmp; + do { + if (candidate == folder + || (candidate.GetProtocol() == INetProtocol::File + && candidateLower == folderLower + && (getCasePreservingUrl(candidate) + == getCasePreservingUrl(folder)))) + { + return true; + } + tmp = candidate; + } while (candidate.removeSegment() && candidateLower.removeSegment() + && candidate != tmp); + // INetURLObject::removeSegment sometimes returns true without + // modifying the URL, e.g., in case of "file:///" + } catch (css::uno::RuntimeException const &) { + throw; + } catch (css::ucb::CommandAbortedException const &) { + assert(false && "this cannot happen"); + throw; + } catch (css::uno::Exception const &) { + TOOLS_INFO_EXCEPTION( + "unotools.ucbhelper", + "UCBContentHelper::IsSubPath(" << parent << ", " << child << ")"); + } + return false; +} + +bool utl::UCBContentHelper::EqualURLs( + OUString const & url1, OUString const & url2) +{ + if (url1.isEmpty() || url2.isEmpty()) { + return false; + } + css::uno::Reference< css::ucb::XUniversalContentBroker > ucb( + css::ucb::UniversalContentBroker::create( + comphelper::getProcessComponentContext())); + return + ucb->compareContentIds( + ucb->createContentIdentifier(canonic(url1)), + ucb->createContentIdentifier(canonic(url2))) + == 0; +} + +bool utl::UCBContentHelper::ensureFolder( + const css::uno::Reference< css::uno::XComponentContext >& xCtx, + const css::uno::Reference< css::ucb::XCommandEnvironment >& xEnv, + std::u16string_view rFolder, ucbhelper::Content & result) noexcept +{ + try + { + INetURLObject aURL( rFolder ); + OUString aTitle = aURL.getName( INetURLObject::LAST_SEGMENT, true, INetURLObject::DecodeMechanism::WithCharset ); + aURL.removeSegment(); + ::ucbhelper::Content aParent; + + if ( ::ucbhelper::Content::create( aURL.GetMainURL( INetURLObject::DecodeMechanism::NONE ), + xEnv, xCtx, aParent ) ) + { + return ::utl::UCBContentHelper::MakeFolder(aParent, aTitle, result); + } + } + catch (...) + { + } + + return false; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |