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/* -*- 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 <sal/log.hxx>
#include <com/sun/star/beans/Optional.hpp>
#include <com/sun/star/beans/UnknownPropertyException.hpp>
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/XPropertySetInfo.hpp>
#include <com/sun/star/beans/XVetoableChangeListener.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/lang/XServiceInfo.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 <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/uno/XCurrentContext.hpp>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/weak.hxx>
#include <osl/file.hxx>
#include <osl/security.hxx>
#include <rtl/byteseq.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <comphelper/diagnose_ex.hxx>
#include <uno/current_context.hxx>
namespace {
class Default:
public cppu::WeakImplHelper<
css::lang::XServiceInfo, css::beans::XPropertySet >
{
public:
Default() {}
Default(const Default&) = delete;
Default& operator=(const Default&) = delete;
private:
virtual ~Default() override {}
virtual OUString SAL_CALL getImplementationName() override
{ return "com.sun.star.comp.configuration.backend.DesktopBackend"; }
virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
{ return ServiceName == getSupportedServiceNames()[0]; }
virtual css::uno::Sequence< OUString > SAL_CALL
getSupportedServiceNames() override
{ return { "com.sun.star.configuration.backend.DesktopBackend" }; }
virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
getPropertySetInfo() override
{ return css::uno::Reference< css::beans::XPropertySetInfo >(); }
virtual void SAL_CALL setPropertyValue(
OUString const &, css::uno::Any const &) override;
virtual css::uno::Any SAL_CALL getPropertyValue(
OUString const & PropertyName) override;
virtual void SAL_CALL addPropertyChangeListener(
OUString const &,
css::uno::Reference< css::beans::XPropertyChangeListener > const &) override
{}
virtual void SAL_CALL removePropertyChangeListener(
OUString const &,
css::uno::Reference< css::beans::XPropertyChangeListener > const &) override
{}
virtual void SAL_CALL addVetoableChangeListener(
OUString const &,
css::uno::Reference< css::beans::XVetoableChangeListener > const &) override
{}
virtual void SAL_CALL removeVetoableChangeListener(
OUString const &,
css::uno::Reference< css::beans::XVetoableChangeListener > const &) override
{}
};
void Default::setPropertyValue(OUString const &, css::uno::Any const &)
{
throw css::lang::IllegalArgumentException(
"setPropertyValue not supported",
getXWeak(), -1);
}
OUString xdg_user_dir_lookup (const char *type, bool bAllowHomeDir)
{
size_t nLenType = strlen(type);
char *config_home;
char *p;
bool bError = false;
osl::Security aSecurity;
oslFileHandle handle;
OUString aHomeDirURL;
OUString aDocumentsDirURL;
OUString aConfigFileURL;
OUStringBuffer aUserDirBuf;
if (!aSecurity.getHomeDir( aHomeDirURL ) )
{
osl::FileBase::getFileURLFromSystemPath("/tmp", aDocumentsDirURL);
return aDocumentsDirURL;
}
config_home = getenv ("XDG_CONFIG_HOME");
if (config_home == nullptr || config_home[0] == 0)
{
aConfigFileURL = aHomeDirURL + "/.config/user-dirs.dirs";
}
else
{
aConfigFileURL = OUString::createFromAscii(config_home) + "/user-dirs.dirs";
}
if(osl_File_E_None == osl_openFile(aConfigFileURL.pData, &handle, osl_File_OpenFlag_Read))
{
rtl::ByteSequence seq;
while (osl_File_E_None == osl_readLine(handle , reinterpret_cast<sal_Sequence **>(&seq)))
{
int relative = 0;
int len = seq.getLength();
seq.realloc(len + 1);
seq[len] = 0;
p = reinterpret_cast<char *>(seq.getArray());
while (*p == ' ' || *p == '\t')
p++;
if (strncmp (p, "XDG_", 4) != 0)
continue;
p += 4;
if (strncmp (p, OString(type, nLenType).toAsciiUpperCase().getStr(), nLenType) != 0)
continue;
p += nLenType;
if (strncmp (p, "_DIR", 4) != 0)
continue;
p += 4;
while (*p == ' ' || *p == '\t')
p++;
if (*p != '=')
continue;
p++;
while (*p == ' ' || *p == '\t')
p++;
if (*p != '"')
continue;
p++;
if (strncmp (p, "$HOME/", 6) == 0)
{
p += 6;
relative = 1;
}
else if (*p != '/')
continue;
if (relative)
{
aUserDirBuf = aHomeDirURL + "/";
}
else
{
aUserDirBuf.truncate();
}
while (*p && *p != '"')
{
if ((*p == '\\') && (*(p+1) != 0))
p++;
aUserDirBuf.append(static_cast<sal_Unicode>(*p++));
}
}//end of while
osl_closeFile(handle);
}
else
bError = true;
if (aUserDirBuf.getLength()>0 && !bError)
{
aDocumentsDirURL = aUserDirBuf.makeStringAndClear();
if ( bAllowHomeDir ||
(aDocumentsDirURL != aHomeDirURL && aDocumentsDirURL != Concat2View(aHomeDirURL + "/")) )
{
osl::Directory aDocumentsDir( aDocumentsDirURL );
if( osl::FileBase::E_None == aDocumentsDir.open() )
return aDocumentsDirURL;
}
}
/* Use fallbacks historical compatibility if nothing else exists */
return aHomeDirURL + "/" + OUString::createFromAscii(type);
}
css::uno::Any xdgDirectoryIfExists(char const * type, bool bAllowHomeDir) {
auto url = xdg_user_dir_lookup(type, bAllowHomeDir);
return css::uno::Any(
osl::Directory(url).open() == osl::FileBase::E_None
? css::beans::Optional<css::uno::Any>(true, css::uno::Any(url))
: css::beans::Optional<css::uno::Any>(false, css::uno::Any()));
}
css::uno::Any Default::getPropertyValue(OUString const & PropertyName)
{
if (PropertyName == "TemplatePathVariable")
{
// Never pick up the HOME directory as the default location of user's templates
return xdgDirectoryIfExists("Templates", false);
}
if (PropertyName == "WorkPathVariable")
{
return xdgDirectoryIfExists("Documents", true);
}
if ( PropertyName == "EnableATToolSupport" ||
PropertyName == "ExternalMailer" ||
PropertyName == "SourceViewFontHeight" ||
PropertyName == "SourceViewFontName" ||
PropertyName == "ooInetFTPProxyName" ||
PropertyName == "ooInetFTPProxyPort" ||
PropertyName == "ooInetHTTPProxyName" ||
PropertyName == "ooInetHTTPProxyPort" ||
PropertyName == "ooInetHTTPSProxyName" ||
PropertyName == "ooInetHTTPSProxyPort" ||
PropertyName == "ooInetNoProxy" ||
PropertyName == "ooInetProxyType" ||
PropertyName == "givenname" ||
PropertyName == "sn" )
{
return css::uno::Any(css::beans::Optional< css::uno::Any >());
}
throw css::beans::UnknownPropertyException(
PropertyName, getXWeak());
}
css::uno::Reference< css::uno::XInterface > createBackend(
css::uno::Reference< css::uno::XComponentContext > const & context,
OUString const & name)
{
try {
return css::uno::Reference< css::lang::XMultiComponentFactory >(
context->getServiceManager(), css::uno::UNO_SET_THROW)->
createInstanceWithContext(name, context);
} catch (css::uno::RuntimeException &) {
// Assuming these exceptions are real errors:
throw;
} catch (const css::uno::Exception &) {
// Assuming these exceptions indicate that the service is not installed:
TOOLS_WARN_EXCEPTION("shell", "createInstance(" << name << ") failed");
return css::uno::Reference< css::uno::XInterface >();
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
shell_DesktopBackend_get_implementation(
css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
{
OUString desktop;
css::uno::Reference< css::uno::XCurrentContext > current(
css::uno::getCurrentContext());
if (current.is()) {
current->getValueByName("system.desktop-environment") >>= desktop;
}
// Fall back to the default if the specific backend is not available:
css::uno::Reference< css::uno::XInterface > backend;
if (desktop == "PLASMA5")
backend = createBackend(context,
"com.sun.star.configuration.backend.KF5Backend");
if (!backend)
backend = getXWeak(new Default);
backend->acquire();
return backend.get();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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