Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */