utilities/kgpg/kgpgfirstassistant.cpp

0001 /*
0002     SPDX-FileCopyrightText: 2008, 2010, 2012 Rolf Eike Beer <kde@opensource.sf-tec.de>
0003
0004     SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
0005 */
0006
0007 #include "kgpgfirstassistant.h"
0008
0009 #include "gpgproc.h"
0010 #include "kgpginterface.h"
0011 #include "core/kgpgkey.h"
0012
0013 #include <KLocalizedString>
0014 #include <KMessageBox>
0015 #include <KUrlRequester>
0016 #include <kio_version.h>
0017
0018 #include <QCheckBox>
0019 #include <QComboBox>
0020 #include <QGridLayout>
0021 #include <QHBoxLayout>
0022 #include <QLabel>
0023 #include <QSpacerItem>
0024 #include <QStandardPaths>
0025 #include <QTextStream>
0026 #include <QWidget>
0027 #include <QUrl>
0028 #include <kmessagebox.h>
0029
0030 using namespace KgpgCore;
0031
0032 KGpgFirstAssistant::KGpgFirstAssistant(QWidget *parent)
0033         : KAssistantDialog(parent)
0034 {
0035     setWindowTitle(i18n("KGpg Assistant"));
0036
0037     QWidget *page = new QWidget(this);
0038     QGridLayout *gridLayout = new QGridLayout(page);
0039     gridLayout->setSpacing(6);
0040     gridLayout->setContentsMargins(0, 0, 0, 0);
0041
0042     QLabel *label = new QLabel(page);
0043     QSizePolicy sizePolicy(QSizePolicy::Fixed, QSizePolicy::Preferred);
0044     sizePolicy.setHorizontalStretch(0);
0045     sizePolicy.setVerticalStretch(0);
0046     sizePolicy.setHeightForWidth(label->sizePolicy().hasHeightForWidth());
0047     label->setSizePolicy(sizePolicy);
0048     label->setFrameShape(QFrame::NoFrame);
0049     label->setFrameShadow(QFrame::Plain);
0050     label->setScaledContents(false);
0051     label->setAlignment(Qt::AlignTop);
0052     label->setWordWrap(false);
0053
0054     gridLayout->addWidget(label, 0, 0, 3, 1);
0055
0056     label = new QLabel(page);
0057     label->setAlignment(Qt::AlignTop);
0058     label->setWordWrap(true);
0059     label->setText(i18n("This assistant will first setup some basic configuration options required for KGpg to work properly. Next, it will allow you to create your own key pair, enabling you to encrypt your files and emails."));
0060
0061     gridLayout->addWidget(label, 0, 1, 1, 1);
0062
0063     QSpacerItem *spacerItem = new QSpacerItem(20, 41, QSizePolicy::Minimum, QSizePolicy::Expanding);
0064
0065     gridLayout->addItem(spacerItem, 1, 1, 1, 1);
0066
0067     page_welcome = addPage(page, i18n("Welcome to the KGpg Assistant"));
0068
0069     page = new QWidget(this);
0070
0071     gridLayout = new QGridLayout(page);
0072     gridLayout->setSpacing(6);
0073     gridLayout->setContentsMargins(0, 0, 0, 0);
0074
0075     label = new QLabel(page);
0076     label->setAlignment(Qt::AlignTop);
0077     label->setWordWrap(true);
0078     label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
0079     label->setText(i18n("KGpg needs to know which GnuPG binary to use."));
0080
0081     gridLayout->addWidget(label, 0, 1, 1, 1);
0082
0083     label = new QLabel(page);
0084     label->setAlignment(Qt::AlignTop);
0085     label->setWordWrap(true);
0086     label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Minimum);
0087     label->setText(i18n("Unless you want to try some unusual settings, just click on the \"next\" button."));
0088
0089     gridLayout->addWidget(label, 1, 1, 1, 1);
0090
0091     spacerItem = new QSpacerItem(20, 60, QSizePolicy::Minimum, QSizePolicy::Expanding);
0092
0093     gridLayout->addItem(spacerItem, 4, 1, 1, 1);
0094
0095     txtGpgVersion = new QLabel(page);
0096     txtGpgVersion->setWordWrap(true);
0097
0098     gridLayout->addWidget(txtGpgVersion, 3, 1, 1, 1);
0099
0100     binURL = new KUrlRequester(page);
0101     binURL->setNameFilters({
0102         i18nc("search filter name for gpg binary", "GnuPG binary") + QLatin1String(" (gpg)"),
0103         i18n("All files") + QLatin1String(" (*)"),
0104     });
0105     QString gpgBin = QStandardPaths::findExecutable(QLatin1String("gpg2"));
0106     if (gpgBin.isEmpty())
0107         gpgBin = QStandardPaths::findExecutable(QLatin1String("gpg"));
0108     if (gpgBin.isEmpty())
0109         gpgBin = QLatin1String("gpg");
0110     binURL->setUrl(QUrl::fromLocalFile(gpgBin));
0111
0112     connect(binURL, &KUrlRequester::textChanged, this, &KGpgFirstAssistant::slotBinaryChanged);
0113     slotBinaryChanged(gpgBin);
0114
0115     gridLayout->addWidget(binURL, 2, 1, 1, 1);
0116
0117     page_binary = addPage(page, i18n("GnuPG Binary"));
0118
0119     page = new QWidget(this);
0120
0121     gridLayout = new QGridLayout(page);
0122     gridLayout->setSpacing(6);
0123     gridLayout->setContentsMargins(0, 0, 0, 0);
0124     text_optionsfound = new QLabel(page);
0125     text_optionsfound->setAlignment(Qt::AlignTop);
0126     text_optionsfound->setWordWrap(true);
0127     text_optionsfound->setText(i18n("Unless you want to try some unusual settings, just click on the \"next\" button."));
0128
0129     gridLayout->addWidget(text_optionsfound, 1, 1, 1, 1);
0130
0131     label = new QLabel(page);
0132     label->setAlignment(Qt::AlignTop);
0133     label->setWordWrap(true);
0134     label->setText(i18n("KGpg needs to know where your GnuPG configuration file is stored."));
0135
0136     gridLayout->addWidget(label, 0, 1, 1, 1);
0137
0138     spacerItem = new QSpacerItem(20, 60, QSizePolicy::Minimum, QSizePolicy::Expanding);
0139
0140     gridLayout->addItem(spacerItem, 4, 1, 1, 1);
0141
0142     pathURL = new KUrlRequester(page);
0143
0144     gridLayout->addWidget(pathURL, 3, 1, 1, 1);
0145
0146     label = new QLabel(page);
0147     label->setAlignment(Qt::AlignVCenter);
0148     label->setWordWrap(true);
0149     label->setText(i18n("Path to your GnuPG configuration file:"));
0150
0151     gridLayout->addWidget(label, 2, 1, 1, 1);
0152
0153     label = new QLabel(page);
0154     sizePolicy.setHeightForWidth(label->sizePolicy().hasHeightForWidth());
0155     label->setSizePolicy(sizePolicy);
0156     label->setFrameShape(QFrame::NoFrame);
0157     label->setFrameShadow(QFrame::Plain);
0158     label->setScaledContents(false);
0159     label->setAlignment(Qt::AlignTop);
0160     label->setWordWrap(false);
0161
0162     gridLayout->addWidget(label, 0, 0, 5, 1);
0163     page_config = addPage(page, i18n("Configuration File"));
0164
0165     page = new QWidget(this);
0166     gridLayout = new QGridLayout(page);
0167     gridLayout->setSpacing(6);
0168     gridLayout->setContentsMargins(0, 0, 0, 0);
0169
0170     QHBoxLayout *hboxLayout = new QHBoxLayout();
0171     hboxLayout->setSpacing(6);
0172     label = new QLabel(page);
0173     label->setText(i18n("Your default key:"));
0174
0175     hboxLayout->addWidget(label);
0176
0177     CBdefault = new QComboBox(page);
0178     QSizePolicy sizePolicy1(QSizePolicy::Expanding, QSizePolicy::Fixed);
0179     sizePolicy1.setHorizontalStretch(0);
0180     sizePolicy1.setVerticalStretch(0);
0181     sizePolicy1.setHeightForWidth(CBdefault->sizePolicy().hasHeightForWidth());
0182     CBdefault->setSizePolicy(sizePolicy1);
0183
0184     hboxLayout->addWidget(CBdefault);
0185
0186     gridLayout->addLayout(hboxLayout, 0, 1, 1, 1);
0187
0188     spacerItem = new QSpacerItem(20, 30, QSizePolicy::Minimum, QSizePolicy::Expanding);
0189
0190     gridLayout->addItem(spacerItem, 1, 1, 1, 1);
0191
0192     page_defaultkey = addPage(page, i18n("Default Key"));
0193
0194     page = new QWidget(this);
0195
0196     gridLayout = new QGridLayout(page);
0197     gridLayout->setSpacing(6);
0198     gridLayout->setContentsMargins(0, 0, 0, 0);
0199
0200     binlabel = new QLabel(page);
0201
0202     gridLayout->addWidget(binlabel, 0, 1, 1, 1);
0203
0204     versionLabel = new QLabel(page);
0205
0206     gridLayout->addWidget(versionLabel, 1, 1, 1, 1);
0207
0208     defaultkeylabel = new QLabel(page);
0209
0210     gridLayout->addWidget(defaultkeylabel, 2, 1, 1, 1);
0211
0212     generateCB = new QCheckBox(page);
0213     generateCB->setText(i18n("Generate new key"));
0214
0215     gridLayout->addWidget(generateCB, 3, 1, 1, 1);
0216
0217     spacerItem = new QSpacerItem(20, 30, QSizePolicy::Minimum, QSizePolicy::Expanding);
0218
0219     gridLayout->addItem(spacerItem, 4, 1, 1, 1);
0220
0221     autostartCB = new QCheckBox(page);
0222     autostartCB->setChecked(true);
0223     autostartCB->setText(i18n("Start KGpg automatically at KDE startup."));
0224
0225     gridLayout->addWidget(autostartCB, 5, 1, 1, 1);
0226
0227     page_done = addPage(page, i18n("Done"));
0228 }
0229
0230 void
0231 KGpgFirstAssistant::findConfigPath(const QString &gpgBinary)
0232 {
0233     const QString gpgHome = GPGProc::getGpgHome(gpgBinary);
0234     QString confPath = gpgHome + QLatin1String( "gpg.conf" );
0235
0236     if (!QFile(confPath).exists()) {
0237         const QString confPathOpt = gpgHome + QLatin1String("options");
0238         if (QFile(confPathOpt).exists()) {
0239             confPath = confPathOpt;
0240         } else {
0241             if (KMessageBox::questionTwoActions(nullptr, i18n("<qt><b>The GnuPG configuration file was not found</b>. Should KGpg try to create a config file ?</qt>"), QString(), KGuiItem(i18n("Create Config")), KGuiItem(i18n("Do Not Create"))) == KMessageBox::PrimaryAction) {
0242                 QFile file(confPath);
0243                 if (file.open(QIODevice::WriteOnly)) {
0244                     QTextStream stream(&file);
0245                     stream << "# GnuPG config file created by KGpg\n";
0246                     file.close();
0247                 }
0248             } else {
0249                 text_optionsfound->setText(i18n("<qt><b>The GnuPG configuration file was not found</b>.</qt>"));
0250                 confPath.clear();
0251             }
0252         }
0253     }
0254
0255     pathURL->setUrl(QUrl::fromLocalFile(confPath));
0256
0257     const QStringList secids = KgpgInterface::readSecretKeys();
0258
0259     bool noSecKeys = secids.isEmpty();
0260     generateCB->setChecked(noSecKeys);
0261     setAppropriate(page_defaultkey, !noSecKeys);
0262
0263     if (noSecKeys) {
0264         defaultkeylabel->setVisible(false);
0265         return;
0266     }
0267
0268     const KgpgKeyList publiclist = KgpgInterface::readPublicKeys(secids);
0269
0270     CBdefault->clear();
0271
0272     for (const KgpgKey &k : publiclist) {
0273         QString s;
0274
0275         if (k.email().isEmpty())
0276             s = i18nc("Name: ID", "%1: %2", k.name(), k.id());
0277         else
0278             s = i18nc("Name (Email): ID", "%1 (%2): %3", k.name(), k.email(), k.id());
0279
0280         CBdefault->addItem(s, k.fingerprint());
0281     }
0282
0283     CBdefault->setCurrentIndex(0);
0284 }
0285
0286 void
0287 KGpgFirstAssistant::next()
0288 {
0289     if (currentPage() == page_binary) {
0290         const QString &gpgbin = binURL->url().path();
0291         binlabel->setText(i18n("Your GnuPG binary is: %1", gpgbin));
0292         findConfigPath(gpgbin);
0293     } else if (currentPage() == page_config) {
0294         m_confPath = pathURL->url().path();
0295
0296         const QString defaultID = KgpgInterface::getGpgSetting(QLatin1String( "default-key" ), m_confPath);
0297
0298         if (!defaultID.isEmpty()) {
0299             for (int i = 0; i < CBdefault->count(); i++) {
0300                 if (QStringView(CBdefault->itemData(i).toString()).right(defaultID.length()).compare(defaultID) == 0) {
0301                     CBdefault->setCurrentIndex(i);
0302                     break;
0303                 }
0304             }
0305         }
0306         versionLabel->setText(i18n("You have GnuPG version: %1", m_gpgVersion));
0307     } else if (currentPage() == page_defaultkey) {
0308         defaultkeylabel->setVisible(true);
0309         defaultkeylabel->setText(i18n("Your default key is: %1", CBdefault->currentText()));
0310         int i = CBdefault->currentIndex();
0311         if (i >= 0) {
0312             defaultkeylabel->setToolTip(CBdefault->itemData(i).toString());
0313         }
0314     }
0315     KAssistantDialog::next();
0316 }
0317
0318 bool
0319 KGpgFirstAssistant::runKeyGenerate() const
0320 {
0321     return generateCB->isChecked();
0322 }
0323
0324 QString
0325 KGpgFirstAssistant::getConfigPath() const
0326 {
0327     return m_confPath;
0328 }
0329
0330 QString
0331 KGpgFirstAssistant::getDefaultKey() const
0332 {
0333     int i = CBdefault->currentIndex();
0334     if (i < 0)
0335         return QString();
0336     else
0337         return CBdefault->itemData(i).toString();
0338 }
0339
0340 bool
0341 KGpgFirstAssistant::getAutoStart() const
0342 {
0343     return autostartCB->isChecked();
0344 }
0345
0346 void
0347 KGpgFirstAssistant::slotBinaryChanged(const QString &binary)
0348 {
0349     if (binary.isEmpty()) {
0350         setValid(page_binary, false);
0351         return;
0352     }
0353
0354     m_gpgVersion = GPGProc::gpgVersionString(binary);
0355     setValid(page_binary, !m_gpgVersion.isEmpty());
0356     if (!m_gpgVersion.isEmpty()) {
0357         const int gpgver = GPGProc::gpgVersion(m_gpgVersion);
0358
0359         if (gpgver < 0x10400) {
0360             txtGpgVersion->setText(i18n("Your GnuPG version (%1) seems to be too old.<br />Compatibility with versions before 1.4.0 is no longer guaranteed.", m_gpgVersion));
0361         } else {
0362             txtGpgVersion->setText(i18n("You have GnuPG version: %1", m_gpgVersion));
0363         }
0364     }
0365 }