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/*
* netdhcppage.cc - Implementation of the UI.Network.Automatic page
* horizon-qt5, the Qt 5 user interface for
* Project Horizon
*
* Copyright (c) 2019 Adélie Linux and contributors. All rights reserved.
* This code is licensed under the AGPL 3.0 license, as noted in the
* LICENSE-code file in the root directory of this repository.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
#include "netdhcppage.hh"
#include "horizonhelpwindow.hh"
#include <assert.h>
#include <QGridLayout>
#include <QProcess>
#include <QUrl>
#include <QVBoxLayout>
NetDHCPPage::NetDHCPPage(QWidget *parent) : HorizonWizardPage(parent) {
setTitle(tr("Automatic Network Configuration"));
loadWatermark("network");
information = new QLabel;
information->setWordWrap(true);
progress = new StepProgressWidget;
progress->addStep(tr("Obtain a network address"));
progress->addStep(tr("Check Internet connectivity"));
logButton = new QPushButton(tr("Review DHCP Log"));
logButton->setHidden(true);
logButton->setWhatsThis(tr("Opens the DHCP client's log file in a log viewer."));
connect(logButton, &QPushButton::clicked, [=]() {
QFile logfile("/var/log/horizon/dhcpcd.log");
logfile.open(QFile::ReadOnly);
HorizonHelpWindow logview(&logfile, this, true);
logview.exec();
});
QVBoxLayout *overallLayout = new QVBoxLayout(this);
overallLayout->addWidget(progress);
overallLayout->addSpacing(40);
overallLayout->addWidget(information);
overallLayout->addWidget(logButton, 0, Qt::AlignCenter);
}
void NetDHCPPage::startDHCP() {
QProcess *dhcpcd = new QProcess(this);
QString iface(QString::fromStdString(horizonWizard()->chosen_auto_iface));
dhcpcd->setProgram("/sbin/dhcpcd");
dhcpcd->setArguments({"-q", "-t", "15", "-n",
"-j", "/var/log/horizon/dhcpcd.log", iface});
connect(dhcpcd, &QProcess::errorOccurred,
[=](QProcess::ProcessError error) {
progress->setStepStatus(0, StepProgressWidget::Failed);
if(error == QProcess::FailedToStart) {
information->setText(tr("The Installation Environment is missing a critical component. dhcpcd could not be loaded."));
logButton->setHidden(true);
} else {
information->setText(tr("The system has encountered an internal issue."));
logButton->setHidden(false);
}
});
connect(dhcpcd, static_cast<void (QProcess:: *)(int)>(&QProcess::finished),
this, &NetDHCPPage::dhcpFinished);
dhcpcd->start();
}
void NetDHCPPage::dhcpFinished(int exitcode) {
if(exitcode != 0) {
progress->setStepStatus(0, StepProgressWidget::Failed);
information->setText(tr("The system could not obtain an address."));
logButton->setHidden(false);
} else {
progress->stepPassed(0);
checkInet();
}
}
void NetDHCPPage::checkInet() {
QString url = QString::fromStdString("http://" +
horizonWizard()->mirror_domain +
"/horizon.txt");
inetReply = qnam.get(QNetworkRequest(QUrl(url)));
connect(inetReply, &QNetworkReply::finished, this, &NetDHCPPage::inetFinished);
}
void NetDHCPPage::inetFinished() {
assert(inetReply);
if(inetReply->error()) {
progress->setStepStatus(1, StepProgressWidget::Failed);
information->setText(tr("Couldn't connect to %1: %2")
.arg(QString::fromStdString(horizonWizard()->mirror_domain))
.arg(inetReply->errorString()));
inetReply->deleteLater();
inetReply = nullptr;
return;
}
const QVariant redirUrl = inetReply->attribute(QNetworkRequest::RedirectionTargetAttribute);
if(!redirUrl.isNull()) {
progress->setStepStatus(1, StepProgressWidget::Failed);
/* XXX TODO BAD UNIMPLEMENTED !!!! LOOK AT ME DO NOT RELEASE YET !!!! */
information->setText(tr("Received redirect to %2 while connecting to %1."
"God help us if we don't ship Otter Browser and have to handle captive portals with QtWebKitWidgets.")
.arg(QString::fromStdString(horizonWizard()->mirror_domain))
.arg(redirUrl.toUrl().toString()));
inetReply->deleteLater();
inetReply = nullptr;
return;
}
QByteArray result = inetReply->readAll();
if(result.size() != 3 || result[0] != 'O' || result[1] != 'K' ||
result[2] != '\n') {
QString res_str(result.left(512));
if(result.size() > 512) res_str += "...";
progress->setStepStatus(1, StepProgressWidget::Failed);
information->setText(tr("Received unexpected %3 byte reply from %1: %2")
.arg(QString::fromStdString(horizonWizard()->mirror_domain))
.arg(res_str).arg(result.size()));
inetReply->deleteLater();
inetReply = nullptr;
return;
}
progress->stepPassed(1);
information->setText(tr("Your computer has successfully connected to the network. You may now proceed."));
online = true;
emit completeChanged();
}
void NetDHCPPage::initializePage() {
assert(!horizonWizard()->chosen_auto_iface.empty());
progress->setStepStatus(0, StepProgressWidget::InProgress);
startDHCP();
}
bool NetDHCPPage::isComplete() const {
return online;
}
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