1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
/* -*- 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 <QtWidgets/QApplication>

#include <boost/noncopyable.hpp>
#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/XServiceInfo.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/uno/XCurrentContext.hpp>
#include <cppuhelper/factory.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/implementationentry.hxx>
#include <cppuhelper/weak.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <uno/current_context.hxx>

#include <osl/process.h>
#include <osl/thread.h>

#include "kf5access.hxx"

namespace
{
OUString getServiceImplementationName()
{
    return "com.sun.star.comp.configuration.backend.KF5Backend";
}

css::uno::Sequence<OUString> getServiceSupportedServiceNames()
{
    OUString name("com.sun.star.configuration.backend.KF5Backend");
    return css::uno::Sequence<OUString>(&name, 1);
}

class Service : public cppu::WeakImplHelper<css::lang::XServiceInfo, css::beans::XPropertySet>,
                private boost::noncopyable
{
public:
    Service();

private:
    virtual ~Service() override {}

    virtual OUString SAL_CALL getImplementationName() override
    {
        return getServiceImplementationName();
    }

    virtual sal_Bool SAL_CALL supportsService(OUString const& ServiceName) override
    {
        return ServiceName == getSupportedServiceNames()[0];
    }

    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
    {
        return getServiceSupportedServiceNames();
    }

    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
    {
    }

    std::map<OUString, css::beans::Optional<css::uno::Any>> m_KDESettings;
};

OString getDisplayArg()
{
    OUString aParam;
    const sal_uInt32 nParams = osl_getCommandArgCount();
    for (sal_uInt32 nIdx = 0; nIdx < nParams; ++nIdx)
    {
        osl_getCommandArg(nIdx, &aParam.pData);
        if (aParam != "-display")
            continue;

        ++nIdx;
        osl_getCommandArg(nIdx, &aParam.pData);
        return OUStringToOString(aParam, osl_getThreadTextEncoding());
    }
    return {};
}

OString getExecutable()
{
    OUString aParam, aBin;
    osl_getExecutableFile(&aParam.pData);
    osl_getSystemPathFromFileURL(aParam.pData, &aBin.pData);
    return OUStringToOString(aBin, osl_getThreadTextEncoding());
}

void readKDESettings(std::map<OUString, css::beans::Optional<css::uno::Any>>& rSettings)
{
    const std::vector<OUString> aKeys
        = { "EnableATToolSupport",  "ExternalMailer",       "SourceViewFontHeight",
            "SourceViewFontName",   "WorkPathVariable",     "ooInetFTPProxyName",
            "ooInetFTPProxyPort",   "ooInetHTTPProxyName",  "ooInetHTTPProxyPort",
            "ooInetHTTPSProxyName", "ooInetHTTPSProxyPort", "ooInetNoProxy",
            "ooInetProxyType" };

    for (const OUString& aKey : aKeys)
    {
        css::beans::Optional<css::uno::Any> aValue = kf5access::getValue(aKey);
        std::pair<OUString, css::beans::Optional<css::uno::Any>> elem
            = std::make_pair(aKey, aValue);
        rSettings.insert(elem);
    }
}

// init the QApplication when we load the kf5backend into a non-Qt vclplug (e.g. gtk3_kde5)
// TODO: use a helper process to read these values without linking to Qt directly?
// TODO: share this code somehow with Qt5Instance.cxx?
void initQApp(std::map<OUString, css::beans::Optional<css::uno::Any>>& rSettings)
{
    const auto aDisplay = getDisplayArg();
    int nFakeArgc = aDisplay.isEmpty() ? 2 : 3;
    char** pFakeArgv = new char*[nFakeArgc];

    pFakeArgv[0] = strdup(getExecutable().getStr());
    pFakeArgv[1] = strdup("--nocrashhandler");
    if (!aDisplay.isEmpty())
        pFakeArgv[2] = strdup(aDisplay.getStr());

    char* session_manager = nullptr;
    if (auto* session_manager_env = getenv("SESSION_MANAGER"))
    {
        session_manager = strdup(session_manager_env);
        unsetenv("SESSION_MANAGER");
    }

    std::unique_ptr<QApplication> app(new QApplication(nFakeArgc, pFakeArgv));
    QObject::connect(app.get(), &QObject::destroyed, app.get(), [nFakeArgc, pFakeArgv]() {
        for (int i = 0; i < nFakeArgc; ++i)
            free(pFakeArgv[i]);
        delete[] pFakeArgv;
    });

    readKDESettings(rSettings);

    if (session_manager != nullptr)
    {
        // coverity[tainted_string] - trusted source for setenv
        setenv("SESSION_MANAGER", session_manager, 1);
        free(session_manager);
    }
}

Service::Service()
{
    css::uno::Reference<css::uno::XCurrentContext> context(css::uno::getCurrentContext());
    if (context.is())
    {
        OUString desktop;
        context->getValueByName("system.desktop-environment") >>= desktop;

        if (desktop == "PLASMA5")
        {
            if (!qApp) // no qt event loop yet
            {
                // so we start one and read KDE settings
                initQApp(m_KDESettings);
            }
            else // someone else (most likely kde/qt vclplug) has started qt event loop
                // all that is left to do is to read KDE settings
                readKDESettings(m_KDESettings);
        }
    }
}

void Service::setPropertyValue(OUString const&, css::uno::Any const&)
{
    throw css::lang::IllegalArgumentException("setPropertyValue not supported",
                                              static_cast<cppu::OWeakObject*>(this), -1);
}

css::uno::Any Service::getPropertyValue(OUString const& PropertyName)
{
    if (PropertyName == "EnableATToolSupport" || PropertyName == "ExternalMailer"
        || PropertyName == "SourceViewFontHeight" || PropertyName == "SourceViewFontName"
        || PropertyName == "WorkPathVariable" || PropertyName == "ooInetFTPProxyName"
        || PropertyName == "ooInetFTPProxyPort" || PropertyName == "ooInetHTTPProxyName"
        || PropertyName == "ooInetHTTPProxyPort" || PropertyName == "ooInetHTTPSProxyName"
        || PropertyName == "ooInetHTTPSProxyPort" || PropertyName == "ooInetNoProxy"
        || PropertyName == "ooInetProxyType")
    {
        std::map<OUString, css::beans::Optional<css::uno::Any>>::iterator it
            = m_KDESettings.find(PropertyName);
        if (it != m_KDESettings.end())
            return css::uno::makeAny(it->second);
        else
            return css::uno::makeAny(css::beans::Optional<css::uno::Any>());
    }
    else if (PropertyName == "givenname" || PropertyName == "sn"
             || PropertyName == "TemplatePathVariable")
    {
        return css::uno::makeAny(css::beans::Optional<css::uno::Any>());
        //TODO: obtain values from KDE?
    }
    throw css::beans::UnknownPropertyException(PropertyName, static_cast<cppu::OWeakObject*>(this));
}

css::uno::Reference<css::uno::XInterface>
createInstance(css::uno::Reference<css::uno::XComponentContext> const&)
{
    return static_cast<cppu::OWeakObject*>(new Service);
}

static cppu::ImplementationEntry const services[]
    = { { &createInstance, &getServiceImplementationName, &getServiceSupportedServiceNames,
          &cppu::createSingleComponentFactory, nullptr, 0 },
        { nullptr, nullptr, nullptr, nullptr, nullptr, 0 } };
}

extern "C" SAL_DLLPUBLIC_EXPORT void*
kf5be1_component_getFactory(char const* pImplName, void* pServiceManager, void* pRegistryKey)<--- The function 'kf5be1_component_getFactory' is never used.
{
    return cppu::component_getFactoryHelper(pImplName, pServiceManager, pRegistryKey, services);
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */