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/*
HttpJob.cpp
This file is part of Charm, a task-based time tracking application.
Copyright (C) 2011-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Frank Osterfeld <frank.osterfeld@kdab.com>
Author: Olivier JG <olivier.de.gaalon@kdab.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "HttpJob.h"
#include "CharmCMake.h"
#include <qt5keychain/keychain.h>
#include <QNetworkAccessManager>
#include <QNetworkReply>
#include <QNetworkRequest>
#include <QAuthenticator>
#include <QSettings>
#include <QUrlQuery>
HttpJob::HttpJob(QObject *parent)
: QObject(parent)
, m_networkManager(new QNetworkAccessManager(this))
{
connect(m_networkManager, &QNetworkAccessManager::authenticationRequired,
this, &HttpJob::authenticationRequired);
}
HttpJob::~HttpJob()
{
}
QString HttpJob::username() const
{
return m_username;
}
void HttpJob::setUsername(const QString &value)
{
m_username = value;
}
QString HttpJob::password() const
{
return m_password;
}
void HttpJob::setPassword(const QString &value)
{
m_password = value;
}
int HttpJob::error() const
{
return m_errorCode;
}
QString HttpJob::errorString() const
{
return m_errorString;
}
void HttpJob::start()
{
QMetaObject::invokeMethod(this, "doStart", Qt::QueuedConnection);
}
using namespace QKeychain;
void HttpJob::doStart()
{
if (m_username.isEmpty()) {
setErrorAndEmitFinishedOrRestart(NotConfigured,
tr("lotsofcake login data not configured. Download and import the task list manually to configure them."));
return;
}
auto readJob = new ReadPasswordJob(QStringLiteral("Charm"), this);
connect(readJob, &Job::finished, this, &HttpJob::passwordRead);
readJob->setKey(QStringLiteral("lotsofcake"));
readJob->start();
}
void HttpJob::passwordRead(QKeychain::Job *j)
{
ReadPasswordJob *job = qobject_cast<ReadPasswordJob *>(j);
Q_ASSERT(job);
m_passwordReadError = job->error() != QKeychain::NoError
&& job->error() != QKeychain::EntryNotFound;
const QString oldpass = job->error() ? QString() : job->textData();
if (oldpass.isEmpty() || m_lastAuthenticationFailed) {
emit passwordRequested(oldpass.isEmpty() ? HttpJob::NoPasswordFound : HttpJob::PasswordIncorrect);
return;
} else {
provideRequestedPassword(oldpass);
}
}
void HttpJob::provideRequestedPassword(const QString &password)
{
const QString oldpass = m_password;
m_password = password;
if (oldpass != m_password && !m_passwordReadError) {
auto writeJob = new WritePasswordJob(QStringLiteral("Charm"), this);
connect(writeJob, &Job::finished, this, &HttpJob::passwordWritten);
writeJob->setKey(QStringLiteral("lotsofcake"));
writeJob->setTextData(m_password);
writeJob->start();
} else {
passwordWritten();
}
}
void HttpJob::passwordRequestCanceled()
{
setErrorAndEmitFinishedOrRestart(Canceled, tr("Canceled"));
}
void HttpJob::passwordWritten()
{
emit transferStarted();
executeRequest(m_networkManager);
}
void HttpJob::cancel()
{
QMetaObject::invokeMethod(this, "doCancel", Qt::QueuedConnection);
}
void HttpJob::doCancel()
{
setErrorAndEmitFinishedOrRestart(Canceled, tr("Canceled"));
}
void HttpJob::authenticationRequired(QNetworkReply *, QAuthenticator *authenticator)
{
if (!m_authenticationDoneAlready) {
authenticator->setUser(m_username);
authenticator->setPassword(m_password);
m_authenticationDoneAlready = true;
}
}
void HttpJob::emitFinishedOrRestart()
{
if (m_errorCode == AuthenticationFailed) {
m_authenticationDoneAlready = false;
m_lastAuthenticationFailed = true;
m_errorCode = NoError;
m_errorString.clear();
start();
return;
}
m_networkManager->disconnect(this);
emit finished(this);
deleteLater();
}
void HttpJob::setErrorAndEmitFinishedOrRestart(int code, const QString &errorString)
{
m_errorCode = code;
m_errorString = errorString;
emitFinishedOrRestart();
}
void HttpJob::setErrorFromReplyAndEmitFinishedOrRestart(QNetworkReply *reply)
{
switch (reply->error()) {
case QNetworkReply::HostNotFoundError:
setErrorAndEmitFinishedOrRestart(HostNotFound, reply->errorString());
break;
case QNetworkReply::AuthenticationRequiredError:
setErrorAndEmitFinishedOrRestart(AuthenticationFailed, reply->errorString());
break;
default:
setErrorAndEmitFinishedOrRestart(SomethingWentWrong, reply->errorString());
break;
}
}
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