File indexing completed on 2024-04-14 04:52:19

0001 /***************************************************************************
0002  *   Copyright (C) 2009 Matthias Fuchs <mat69@gmx.net>                     *
0003  *                                                                         *
0004  *   This program is free software; you can redistribute it and/or modify  *
0005  *   it under the terms of the GNU General Public License as published by  *
0006  *   the Free Software Foundation; either version 2 of the License, or     *
0007  *   (at your option) any later version.                                   *
0008  *                                                                         *
0009  *   This program is distributed in the hope that it will be useful,       *
0010  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
0011  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
0012  *   GNU General Public License for more details.                          *
0013  *                                                                         *
0014  *   You should have received a copy of the GNU General Public License     *
0015  *   along with this program; if not, write to the                         *
0016  *   Free Software Foundation, Inc.,                                       *
0017  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *
0018  ***************************************************************************/
0019 
0020 #include "verificationdialog.h"
0021 
0022 #include <QSortFilterProxyModel>
0023 
0024 #include <KLocalizedString>
0025 #include <KMessageBox>
0026 
0027 #include "core/filemodel.h"
0028 #include "core/transferhandler.h"
0029 #include "core/verificationdelegate.h"
0030 #include "core/verificationmodel.h"
0031 #include "core/verifier.h"
0032 #include "settings.h"
0033 
0034 VerificationAddDlg::VerificationAddDlg(VerificationModel *model, QWidget *parent, Qt::WindowFlags flags)
0035     : QDialog(parent, flags)
0036     , m_model(model)
0037 {
0038     setWindowTitle(i18n("Add checksum"));
0039     ui.setupUi(this);
0040 
0041     QStringList supportedTypes = Verifier::supportedVerficationTypes();
0042     supportedTypes.sort();
0043     ui.hashTypes->addItems(supportedTypes);
0044 
0045     KGuiItem::assign(ui.buttonBox->button(QDialogButtonBox::Ok), KStandardGuiItem::add());
0046 
0047     updateButton();
0048 
0049     connect(ui.newHash, &KLineEdit::textChanged, this, &VerificationAddDlg::updateButton);
0050     connect(ui.hashTypes, static_cast<void (KComboBox::*)(int)>(&KComboBox::currentIndexChanged), this, &VerificationAddDlg::updateButton);
0051     connect(this, &QDialog::accepted, this, &VerificationAddDlg::addChecksum);
0052 
0053     connect(ui.buttonBox, &QDialogButtonBox::accepted, this, &QDialog::accept);
0054     connect(ui.buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
0055 }
0056 
0057 QSize VerificationAddDlg::sizeHint() const
0058 {
0059     QSize sh = QDialog::sizeHint();
0060     sh.setHeight(minimumSize().height());
0061     sh.setWidth(sh.width() * 1.5);
0062     return sh;
0063 }
0064 
0065 void VerificationAddDlg::updateButton()
0066 {
0067     const QString type = ui.hashTypes->currentText();
0068     const QString hash = ui.newHash->text();
0069     const bool enabled = Verifier::isChecksum(type, hash);
0070 
0071     ui.buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enabled);
0072 }
0073 
0074 void VerificationAddDlg::addChecksum()
0075 {
0076     if (m_model) {
0077         m_model->addChecksum(ui.hashTypes->currentText(), ui.newHash->text());
0078     }
0079 }
0080 
0081 VerificationDialog::VerificationDialog(QWidget *parent, TransferHandler *transfer, const QUrl &file)
0082     : KGetSaveSizeDialog("VerificationDialog", parent)
0083     , m_transfer(transfer)
0084     , m_verifier(transfer->verifier(file))
0085     , m_model(nullptr)
0086     , m_proxy(nullptr)
0087     , m_fileModel(nullptr)
0088 {
0089     if (m_verifier) {
0090         m_model = m_verifier->model();
0091         connect(m_verifier, &Verifier::verified, this, &VerificationDialog::slotVerified);
0092     }
0093 
0094     setWindowTitle(i18n("Transfer Verification for %1", file.fileName()));
0095 
0096     ui.setupUi(this);
0097 
0098     KGuiItem::assign(ui.add, KStandardGuiItem::add());
0099     KGuiItem::assign(ui.remove, KStandardGuiItem::remove());
0100     KGuiItem::assign(ui.closeButton, KStandardGuiItem::close());
0101     ui.verifying->hide();
0102 
0103     if (m_model) {
0104         m_proxy = new QSortFilterProxyModel(this);
0105         m_proxy->setSourceModel(m_model);
0106         ui.usedHashes->setModel(m_proxy);
0107         ui.usedHashes->setItemDelegate(new VerificationDelegate(this));
0108 
0109         QByteArray loadedState = QByteArray::fromBase64(Settings::verificationHeaderState().toLatin1());
0110         if (!loadedState.isEmpty()) {
0111             ui.usedHashes->header()->restoreState(loadedState);
0112         }
0113 
0114         m_fileModel = m_transfer->fileModel();
0115         if (m_fileModel) {
0116             m_file = m_fileModel->index(file, FileItem::File);
0117             connect(m_fileModel, &FileModel::fileFinished, this, &VerificationDialog::fileFinished);
0118         }
0119 
0120         updateButtons();
0121 
0122         connect(m_model, &VerificationModel::dataChanged, this, &VerificationDialog::updateButtons);
0123         connect(m_model, &VerificationModel::rowsRemoved, this, &VerificationDialog::updateButtons);
0124         connect(ui.usedHashes, &QTreeView::clicked, this, &VerificationDialog::updateButtons);
0125         connect(ui.add, &QPushButton::clicked, this, &VerificationDialog::addClicked);
0126         connect(ui.remove, &QPushButton::clicked, this, &VerificationDialog::removeClicked);
0127         connect(ui.verify, &QPushButton::clicked, this, &VerificationDialog::verifyClicked);
0128     }
0129 
0130     connect(this, &VerificationDialog::finished, this, &VerificationDialog::slotFinished);
0131     connect(ui.closeButton, &QPushButton::clicked, this, &QDialog::reject);
0132 }
0133 
0134 QSize VerificationDialog::sizeHint() const
0135 {
0136     QSize sh = QDialog::sizeHint();
0137     sh.setWidth(sh.width() * 1.2);
0138     return sh;
0139 }
0140 
0141 void VerificationDialog::slotFinished()
0142 {
0143     if (m_model) {
0144         Settings::setVerificationHeaderState(ui.usedHashes->header()->saveState().toBase64());
0145     }
0146 }
0147 
0148 void VerificationDialog::fileFinished(const QUrl &file)
0149 {
0150     if (m_fileModel && (m_fileModel->getUrl(m_file) == file)) {
0151         updateButtons();
0152     }
0153 }
0154 
0155 void VerificationDialog::updateButtons()
0156 {
0157     ui.remove->setEnabled(m_model && ui.usedHashes->selectionModel()->hasSelection());
0158 
0159     // check if the download finished and if the selected index is verifyable
0160     bool verifyEnabled = false;
0161     if (m_fileModel && m_fileModel->downloadFinished(m_fileModel->getUrl(m_file))) {
0162         const QModelIndexList indexes = ui.usedHashes->selectionModel()->selectedRows();
0163         if (indexes.count() == 1) {
0164             verifyEnabled = m_verifier->isVerifyable(indexes.first());
0165         }
0166     }
0167     ui.verify->setEnabled(verifyEnabled);
0168 }
0169 
0170 void VerificationDialog::removeClicked()
0171 {
0172     while (ui.usedHashes->selectionModel()->hasSelection()) {
0173         const QModelIndex index = ui.usedHashes->selectionModel()->selectedRows().first();
0174         m_model->removeRow(m_proxy->mapToSource(index).row());
0175     }
0176 }
0177 
0178 void VerificationDialog::addClicked()
0179 {
0180     auto *dialog = new VerificationAddDlg(m_model, this);
0181     dialog->show();
0182 }
0183 
0184 void VerificationDialog::verifyClicked()
0185 {
0186     const QModelIndex index = m_proxy->mapToSource(ui.usedHashes->selectionModel()->selectedRows().first());
0187     if (index.isValid()) {
0188         m_verifier->verify(index);
0189         ui.progressBar->setMaximum(0);
0190         ui.verifying->show();
0191     }
0192 }
0193 
0194 void VerificationDialog::slotVerified(bool verified)
0195 {
0196     ui.progressBar->setMaximum(1);
0197     ui.verifying->hide();
0198 
0199     if (verified) {
0200         QString fileName;
0201         if (m_fileModel) {
0202             fileName = m_fileModel->getUrl(m_file).fileName();
0203         }
0204 
0205         KMessageBox::information(this, i18n("%1 was successfully verified.", fileName), i18n("Verification successful"));
0206     }
0207 }
0208 
0209 #include "moc_verificationdialog.cpp"