diff --git a/src/view/padwidget.cpp b/src/view/padwidget.cpp index 6439d8c71..ca037e08e 100644 --- a/src/view/padwidget.cpp +++ b/src/view/padwidget.cpp @@ -1,535 +1,535 @@ /* -*- mode: c++; c-basic-offset:4 -*- padwidget.cpp This file is part of Kleopatra, the KDE keymanager SPDX-FileCopyrightText: 2018 Intevation GmbH SPDX-License-Identifier: GPL-2.0-or-later */ #include "padwidget.h" #include "kleopatra_debug.h" #include #include #include #include #include #include "crypto/gui/signencryptwidget.h" #include "crypto/gui/resultitemwidget.h" #include "crypto/signencrypttask.h" #include "crypto/decryptverifytask.h" #include #include "utils/input.h" #include "utils/output.h" #include "commands/importcertificatefromdatacommand.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace Kleo; using namespace Kleo::Crypto; using namespace Kleo::Crypto::Gui; static GpgME::Protocol getProtocol(const std::shared_ptr &result) { const auto dvResult = dynamic_cast(result.get()); if (dvResult) { for (const auto &key: KeyCache::instance()->findRecipients(dvResult->decryptionResult())) { return key.protocol(); } for (const auto &key: KeyCache::instance()->findSigners(dvResult->verificationResult())) { return key.protocol(); } } return GpgME::UnknownProtocol; } class PadWidget::Private { public: Private(PadWidget *qq): q(qq), mEdit(new QTextEdit), mCryptBtn(new QPushButton(QIcon::fromTheme(QStringLiteral("document-edit-sign-encrypt")), i18n("Sign / Encrypt Notepad"))), mDecryptBtn(new QPushButton(QIcon::fromTheme(QStringLiteral("document-edit-decrypt-verify")), i18n("Decrypt / Verify Notepad"))), mRevertBtn(new QPushButton(QIcon::fromTheme(QStringLiteral("edit-undo")), i18n("Revert"))), mMessageWidget{new KMessageWidget}, mAdditionalInfoLabel(new QLabel), mSigEncWidget(new SignEncryptWidget(nullptr, true)), mProgressBar(new QProgressBar), mProgressLabel(new QLabel), mLastResultWidget(nullptr), mPGPRB(nullptr), mCMSRB(nullptr), mImportProto(GpgME::UnknownProtocol) { auto vLay = new QVBoxLayout(q); auto btnLay = new QHBoxLayout; vLay->addLayout(btnLay); btnLay->addWidget(mCryptBtn); btnLay->addWidget(mDecryptBtn); btnLay->addWidget(mRevertBtn); mRevertBtn->setVisible(false); btnLay->addWidget(mAdditionalInfoLabel); btnLay->addStretch(-1); mMessageWidget->setMessageType(KMessageWidget::Warning); mMessageWidget->setIcon(q->style()->standardIcon(QStyle::SP_MessageBoxWarning, nullptr, q)); mMessageWidget->setText(i18n("Signing and encryption is not possible.")); mMessageWidget->setToolTip(xi18nc("@info %1 is a placeholder for the name of a compliance mode. E.g. NATO RESTRICTED compliant or VS-NfD compliant", "You cannot use Kleopatra for signing or encryption " "because the GnuPG system used by Kleopatra is not %1.", Formatting::deVsString())); mMessageWidget->setCloseButtonVisible(false); mMessageWidget->setVisible(false); vLay->addWidget(mMessageWidget); mProgressBar->setRange(0, 0); mProgressBar->setVisible(false); mProgressLabel->setVisible(false); auto progLay = new QHBoxLayout; progLay->addWidget(mProgressLabel); progLay->addWidget(mProgressBar); mStatusLay = new QVBoxLayout; mStatusLay->addLayout(progLay); vLay->addLayout(mStatusLay, 0); auto tabWidget = new QTabWidget; vLay->addWidget(tabWidget, 1); tabWidget->addTab(mEdit, QIcon::fromTheme(QStringLiteral("edittext")), i18n("Notepad")); // The recipients area auto recipientsWidget = new QWidget; auto recipientsVLay = new QVBoxLayout(recipientsWidget); auto protocolSelectionLay = new QHBoxLayout; bool pgpOnly = KeyCache::instance()->pgpOnly(); if (!pgpOnly) { recipientsVLay->addLayout(protocolSelectionLay); } protocolSelectionLay->addWidget(new QLabel(i18n("

Protocol:

"))); protocolSelectionLay->addStretch(-1); // Once S/MIME is supported add radio for S/MIME here. recipientsVLay->addWidget(mSigEncWidget); tabWidget->addTab(recipientsWidget, QIcon::fromTheme(QStringLiteral("contact-new-symbolic")), i18n("Recipients")); mEdit->setPlaceholderText(i18n("Enter a message to encrypt or decrypt...")); auto fixedFont = QFont(QStringLiteral("Monospace")); fixedFont.setStyleHint(QFont::TypeWriter); // This does not work well // QFontDatabase::systemFont(QFontDatabase::FixedFont); mEdit->setFont(fixedFont); mEdit->setAcceptRichText(false); mEdit->setMinimumWidth(QFontMetrics(fixedFont).averageCharWidth() * 70); if (KeyCache::instance()->pgpOnly() || !Settings{}.cmsEnabled()) { mSigEncWidget->setProtocol(GpgME::OpenPGP); } else { auto grp = new QButtonGroup(q); auto mPGPRB = new QRadioButton(i18n("OpenPGP")); auto mCMSRB = new QRadioButton(i18n("S/MIME")); grp->addButton(mPGPRB); grp->addButton(mCMSRB); KConfigGroup config(KSharedConfig::openConfig(), "Notepad"); if (config.readEntry("wasCMS", false)) { mCMSRB->setChecked(true); mSigEncWidget->setProtocol(GpgME::CMS); } else { mPGPRB->setChecked(true); mSigEncWidget->setProtocol(GpgME::OpenPGP); } protocolSelectionLay->addWidget(mPGPRB); protocolSelectionLay->addWidget(mCMSRB); connect(mPGPRB, &QRadioButton::toggled, q, [this] (bool value) { if (value) { mSigEncWidget->setProtocol(GpgME::OpenPGP); } }); connect(mCMSRB, &QRadioButton::toggled, q, [this] (bool value) { if (value) { mSigEncWidget->setProtocol(GpgME::CMS); } }); } updateCommitButton(); connect(mEdit, &QTextEdit::textChanged, q, [this] () { updateCommitButton(); }); connect(mCryptBtn, &QPushButton::clicked, q, [this] () { if (mImportProto != GpgME::UnknownProtocol) { doImport(); } else { doEncryptSign(); } }); connect(mSigEncWidget, &SignEncryptWidget::operationChanged, q, [this] (const QString &) { updateCommitButton(); }); connect(mDecryptBtn, &QPushButton::clicked, q, [this] () { doDecryptVerify(); }); connect(mRevertBtn, &QPushButton::clicked, q, [this] () { revert(); }); } void revert() { mEdit->setPlainText(QString::fromUtf8(mInputData)); mRevertBtn->setVisible(false); } void updateRecipientsFromResult(const Kleo::Crypto::DecryptVerifyResult &result) { const auto decResult = result.decryptionResult(); for (const auto &recipient: decResult.recipients()) { if (!recipient.keyID()) { continue; } GpgME::Key key; if (strlen(recipient.keyID()) < 16) { key = KeyCache::instance()->findByShortKeyID(recipient.keyID()); } else { key = KeyCache::instance()->findByKeyIDOrFingerprint(recipient.keyID()); } if (key.isNull()) { std::vector subids; subids.push_back(std::string(recipient.keyID())); for (const auto &subkey: KeyCache::instance()->findSubkeysByKeyID(subids)) { key = subkey.parent(); break; } } if (key.isNull()) { qCDebug(KLEOPATRA_LOG) << "Unknown key" << recipient.keyID(); mSigEncWidget->addUnknownRecipient(recipient.keyID()); continue; } bool keyFound = false; for (const auto &existingKey: mSigEncWidget->recipients()) { if (existingKey.primaryFingerprint() && key.primaryFingerprint() && !strcmp (existingKey.primaryFingerprint(), key.primaryFingerprint())) { keyFound = true; break; } } if (!keyFound) { mSigEncWidget->addRecipient(key); } } } void cryptDone(const std::shared_ptr &result) { updateCommitButton(); mDecryptBtn->setEnabled(true); mProgressBar->setVisible(false); mProgressLabel->setVisible(false); mLastResultWidget = new ResultItemWidget(result); mLastResultWidget->showCloseButton(true); mStatusLay->addWidget(mLastResultWidget); connect(mLastResultWidget, &ResultItemWidget::closeButtonClicked, q, [this] () { removeLastResultItem(); }); // Check result protocol if (mPGPRB) { auto proto = getProtocol(result); if (proto == GpgME::UnknownProtocol) { proto = mPGPRB->isChecked() ? GpgME::OpenPGP : GpgME::CMS; } else if (proto == GpgME::OpenPGP) { mPGPRB->setChecked(true); } else if (proto == GpgME::CMS) { mCMSRB->setChecked(true); } KConfigGroup config(KSharedConfig::openConfig(), "Notepad"); config.writeEntry("wasCMS", proto == GpgME::CMS); } if (result->errorCode()) { if (!result->errorString().isEmpty()) { KMessageBox::error(q, result->errorString(), i18nc("@title", "Error in crypto action")); } return; } mEdit->setPlainText(QString::fromUtf8(mOutputData)); mOutputData.clear(); mRevertBtn->setVisible(true); const auto decryptVerifyResult = dynamic_cast(result.get()); if (decryptVerifyResult) { updateRecipientsFromResult(*decryptVerifyResult); } } void doDecryptVerify() { doCryptoCommon(); mSigEncWidget->clearAddedRecipients(); mProgressLabel->setText(i18n("Decrypt / Verify") + QStringLiteral("...")); auto input = Input::createFromByteArray(&mInputData, i18n("Notepad")); auto output = Output::createFromByteArray(&mOutputData, i18n("Notepad")); AbstractDecryptVerifyTask *task; auto classification = input->classification(); if (classification & Class::OpaqueSignature || classification & Class::ClearsignedMessage) { auto verifyTask = new VerifyOpaqueTask(); verifyTask->setInput(input); verifyTask->setOutput(output); task = verifyTask; } else { auto decTask = new DecryptVerifyTask(); decTask->setInput(input); decTask->setOutput(output); task = decTask; } try { task->autodetectProtocolFromInput(); } catch (const Kleo::Exception &e) { KMessageBox::error(q, e.message(), i18nc("@title", "Error in crypto action")); mCryptBtn->setEnabled(true); mDecryptBtn->setEnabled(true); mProgressBar->setVisible(false); mProgressLabel->setVisible(false); return; } connect (task, &Task::result, q, [this, task] (const std::shared_ptr &result) { qCDebug(KLEOPATRA_LOG) << "Decrypt / Verify done. Err:" << result->errorCode(); task->deleteLater(); cryptDone(result); }); task->start(); } void removeLastResultItem() { if (mLastResultWidget) { mStatusLay->removeWidget(mLastResultWidget); delete mLastResultWidget; mLastResultWidget = nullptr; } } void doCryptoCommon() { mCryptBtn->setEnabled(false); mDecryptBtn->setEnabled(false); mProgressBar->setVisible(true); mProgressLabel->setVisible(true); mInputData = mEdit->toPlainText().toUtf8(); removeLastResultItem(); } void doEncryptSign() { if (Kleo::gnupgUsesDeVsCompliance() && !Kleo::gnupgIsDeVsCompliant()) { KMessageBox::sorry(q->topLevelWidget(), xi18nc("@info %1 is a placeholder for the name of a compliance mode. E.g. NATO RESTRICTED compliant or VS-NfD compliant", "Sorry! You cannot use Kleopatra for signing or encryption " "because the GnuPG system used by Kleopatra is not %1.", Formatting::deVsString())); return; } doCryptoCommon(); mProgressLabel->setText(mSigEncWidget->currentOp() + QStringLiteral("...")); auto input = Input::createFromByteArray(&mInputData, i18n("Notepad")); auto output = Output::createFromByteArray(&mOutputData, i18n("Notepad")); auto task = new SignEncryptTask(); task->setInput(input); task->setOutput(output); const auto sigKey = mSigEncWidget->signKey(); const std::vector recipients = mSigEncWidget->recipients(); const bool encrypt = mSigEncWidget->encryptSymmetric() || !recipients.empty(); const bool sign = !sigKey.isNull(); if (sign) { task->setSign(true); std::vector signVector; signVector.push_back(sigKey); task->setSigners(signVector); } else { task->setSign(false); } task->setEncrypt(encrypt); task->setRecipients(recipients); task->setEncryptSymmetric(mSigEncWidget->encryptSymmetric()); task->setAsciiArmor(true); if (sign && !encrypt && sigKey.protocol() == GpgME::OpenPGP) { task->setClearsign(true); } connect (task, &Task::result, q, [this, task] (const std::shared_ptr &result) { qCDebug(KLEOPATRA_LOG) << "Encrypt / Sign done. Err:" << result->errorCode(); task->deleteLater(); cryptDone(result); }); task->start(); } void doImport() { doCryptoCommon(); mProgressLabel->setText(i18n("Importing...")); auto cmd = new Kleo::ImportCertificateFromDataCommand(mInputData, mImportProto); connect(cmd, &Kleo::ImportCertificatesCommand::finished, q, [this] () { mCryptBtn->setEnabled(true); mDecryptBtn->setEnabled(true); mProgressBar->setVisible(false); mProgressLabel->setVisible(false); updateCommitButton(); mRevertBtn->setVisible(true); mEdit->setPlainText(QString()); }); cmd->start(); } void checkImportProtocol() { QGpgME::QByteArrayDataProvider dp(mEdit->toPlainText().toUtf8()); GpgME::Data data(&dp); auto type = data.type(); if (type == GpgME::Data::PGPKey) { mImportProto = GpgME::OpenPGP; } else if (type == GpgME::Data::X509Cert || type == GpgME::Data::PKCS12) { mImportProto = GpgME::CMS; } else { mImportProto = GpgME::UnknownProtocol; } } void updateCommitButton() { mAdditionalInfoLabel->setVisible(false); checkImportProtocol(); if (mImportProto != GpgME::UnknownProtocol) { mCryptBtn->setText(i18nc("1 is an operation to apply to the notepad. " "Like Sign/Encrypt or just Encrypt.", "%1 Notepad", i18n("Import"))); mCryptBtn->setEnabled(true); return; } if (!mSigEncWidget->currentOp().isEmpty()) { mCryptBtn->setEnabled(true); mCryptBtn->setText(i18nc("1 is an operation to apply to the notepad. " "Like Sign/Encrypt or just Encrypt.", "%1 Notepad", mSigEncWidget->currentOp())); } else { mCryptBtn->setText(i18n("Sign / Encrypt Notepad")); mCryptBtn->setEnabled(false); } if (Kleo::gnupgUsesDeVsCompliance()) { const bool de_vs = Kleo::gnupgIsDeVsCompliant() && mSigEncWidget->isDeVsAndValid(); mCryptBtn->setIcon(QIcon::fromTheme(de_vs ? QStringLiteral("security-high") : QStringLiteral("security-medium"))); mCryptBtn->setStyleSheet(QStringLiteral("QPushButton { background-color: %1; }").arg(de_vs ? KColorScheme(QPalette::Active, KColorScheme::View).background(KColorScheme::PositiveBackground).color().name() : KColorScheme(QPalette::Active, KColorScheme::View).background(KColorScheme::NegativeBackground).color().name())); mAdditionalInfoLabel->setText(de_vs ? i18nc("%1 is a placeholder for the name of a compliance mode. E.g. NATO RESTRICTED compliant or VS-NfD compliant", "%1 communication possible.", Formatting::deVsString()) : i18nc("%1 is a placeholder for the name of a compliance mode. E.g. NATO RESTRICTED compliant or VS-NfD compliant", "%1 communication not possible.", Formatting::deVsString())); mAdditionalInfoLabel->setVisible(true); - mCryptBtn->setEnabled(false); + mCryptBtn->setEnabled(Kleo::gnupgIsDeVsCompliant()); mMessageWidget->setVisible(!Kleo::gnupgIsDeVsCompliant()); } } private: PadWidget *const q; QTextEdit *mEdit; QPushButton *mCryptBtn; QPushButton *mDecryptBtn; QPushButton *mRevertBtn; KMessageWidget *mMessageWidget; QLabel *mAdditionalInfoLabel; QByteArray mInputData; QByteArray mOutputData; SignEncryptWidget *mSigEncWidget; QProgressBar *mProgressBar; QLabel *mProgressLabel; QVBoxLayout *mStatusLay; ResultItemWidget *mLastResultWidget; QList mAutoAddedKeys; QRadioButton *mPGPRB; QRadioButton *mCMSRB; GpgME::Protocol mImportProto; }; PadWidget::PadWidget(QWidget *parent): QWidget(parent), d(new Private(this)) { }