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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 "ldapaccess.hxx"
#include "ldapuserprofilebe.hxx"
#include <sal/log.hxx>
#include <tools/diagnose_ex.h>
#include <rtl/instance.hxx>
#include <com/sun/star/beans/NamedValue.hpp>
#include <com/sun/star/beans/Optional.hpp>
#include <com/sun/star/configuration/theDefaultProvider.hpp>
#include <comphelper/scopeguard.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <osl/security.hxx>
namespace extensions::config::ldap {
LdapUserProfileBe::LdapUserProfileBe( const uno::Reference<uno::XComponentContext>& xContext)
: BackendBase(m_aMutex)
{
LdapDefinition aDefinition;
OUString loggedOnUser;
// true initially to handle reentrant call; will become false if readLdapConfiguration fails
bool bHaveLdapConfiguration = true;
// This whole rigmarole is to prevent an infinite recursion where reading
// the configuration for the backend would create another instance of the
// backend, which would try and read the configuration which would...
{
osl::Mutex & aInitMutex = rtl::Static< osl::Mutex, LdapUserProfileBe >::get();
osl::MutexGuard aInitGuard(aInitMutex);
static bool bReentrantCall; // = false
OSL_ENSURE(!bReentrantCall, "configuration: Ldap Backend constructor called reentrantly - probably a registration error.");
if (!bReentrantCall)
{
bReentrantCall = true ;
comphelper::ScopeGuard aReentrantCallGuard([]() { bReentrantCall = false; });
// Don't throw on fail: this will crash if LDAP is misconfigured, and user opens
// Expert Configuration dialog. Instead, just don't fill data_, which will make the
// backend return empty values. This happens in SvtUserOptions::Impl::GetValue_Impl
// anyway even in throwing scenario, but doing it here also improves performance
// because of avoiding repeated attempts to create the backend.
bHaveLdapConfiguration = readLdapConfiguration(
xContext, &aDefinition, &loggedOnUser);
if (!bHaveLdapConfiguration)
SAL_WARN("extensions.config", "LdapUserProfileBackend: LDAP not configured");
}
}
if (bHaveLdapConfiguration)
{
LdapConnection connection;
connection.connectSimple(aDefinition);
connection.getUserProfile(loggedOnUser, &data_);
}
}
LdapUserProfileBe::~LdapUserProfileBe()
{
}
bool LdapUserProfileBe::readLdapConfiguration(
css::uno::Reference< css::uno::XComponentContext > const & context,
LdapDefinition * definition, OUString * loggedOnUser)
{
OSL_ASSERT(context.is() && definition != nullptr && loggedOnUser != nullptr);
uno::Reference< XInterface > xIface;
try
{
uno::Reference< lang::XMultiServiceFactory > xCfgProvider(
css::configuration::theDefaultProvider::get(context));
css::beans::NamedValue aPath("nodepath", uno::Any(OUString("org.openoffice.LDAP/UserDirectory")) );
uno::Sequence< uno::Any > aArgs{ uno::Any(aPath) };
xIface = xCfgProvider->createInstanceWithArguments("com.sun.star.configuration.ConfigurationAccess", aArgs);
uno::Reference<container::XNameAccess > xAccess(xIface, uno::UNO_QUERY_THROW);
xAccess->getByName("ServerDefinition") >>= xIface;
uno::Reference<container::XNameAccess > xChildAccess(xIface, uno::UNO_QUERY_THROW);
if (!getLdapStringParam(xChildAccess, "Server", definition->mServer))
return false;
if (!getLdapStringParam(xChildAccess, "BaseDN", definition->mBaseDN))
return false;
definition->mPort=0;
xChildAccess->getByName("Port") >>= definition->mPort ;
if (definition->mPort == 0)
return false;
if (!getLdapStringParam(xAccess, "UserObjectClass", definition->mUserObjectClass))
return false;
if (!getLdapStringParam(xAccess, "UserUniqueAttribute", definition->mUserUniqueAttr))
return false;
getLdapStringParam(xAccess, "SearchUser", definition->mAnonUser);
getLdapStringParam(xAccess, "SearchPassword", definition->mAnonCredentials);
}
catch (const uno::Exception&)
{
TOOLS_WARN_EXCEPTION("extensions.config", "LdapUserProfileBackend: access to configuration data failed");
return false;
}
osl::Security aSecurityContext;
if (!aSecurityContext.getUserName(*loggedOnUser))
SAL_WARN("extensions.config", "LdapUserProfileBackend - could not get Logged on user from system");
sal_Int32 nIndex = loggedOnUser->indexOf('/');
if (nIndex > 0)
*loggedOnUser = loggedOnUser->copy(nIndex+1);
return true;
}
bool LdapUserProfileBe::getLdapStringParam(
uno::Reference<container::XNameAccess> const & xAccess,
const OUString& aLdapSetting,
OUString& aServerParameter)
{
xAccess->getByName(aLdapSetting) >>= aServerParameter;
return !aServerParameter.isEmpty();
}
void LdapUserProfileBe::setPropertyValue(
OUString const &, css::uno::Any const &)
{
throw css::lang::IllegalArgumentException(
"setPropertyValue not supported",
static_cast< cppu::OWeakObject * >(this), -1);
}
css::uno::Any LdapUserProfileBe::getPropertyValue(
OUString const & PropertyName)
{
for (sal_Int32 i = 0;;) {
sal_Int32 j = PropertyName.indexOf(',', i);
if (j == -1) {
j = PropertyName.getLength();
}
if (j == i) {
throw css::beans::UnknownPropertyException(
PropertyName, static_cast< cppu::OWeakObject * >(this));
}
LdapData::iterator k(data_.find(PropertyName.copy(i, j - i)));
if (k != data_.end()) {
return css::uno::Any(
css::beans::Optional< css::uno::Any >(
true, css::uno::Any(k->second)));
}
if (j == PropertyName.getLength()) {
break;
}
i = j + 1;
}
return css::uno::Any(css::beans::Optional< css::uno::Any >());
}
OUString SAL_CALL LdapUserProfileBe::getImplementationName()
{
return "com.sun.star.comp.configuration.backend.LdapUserProfileBe";
}
sal_Bool SAL_CALL LdapUserProfileBe::supportsService(const OUString& aServiceName)
{
return cppu::supportsService(this, aServiceName);
}
uno::Sequence<OUString>
SAL_CALL LdapUserProfileBe::getSupportedServiceNames()
{
return { "com.sun.star.configuration.backend.LdapUserProfileBe" };
}
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
extensions_ldp_LdapUserProfileBe_get_implementation(
css::uno::XComponentContext* context , css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new extensions::config::ldap::LdapUserProfileBe(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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