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/******************************************************************************
* Copyright (C) 2015 Felix Rohrbach <kde@fxrh.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "basejob.h"
#include <QtNetwork/QNetworkAccessManager>
#include <QtNetwork/QNetworkRequest>
#include <QtNetwork/QNetworkReply>
#include <QtNetwork/QSslError>
#include <QtCore/QTimer>
#include "../connectiondata.h"
using namespace QMatrixClient;
struct NetworkReplyDeleter : public QScopedPointerDeleteLater
{
static inline void cleanup(QNetworkReply* reply)
{
if (reply && reply->isRunning())
reply->abort();
QScopedPointerDeleteLater::cleanup(reply);
}
};
class BaseJob::Private
{
public:
Private(ConnectionData* c, JobHttpType t, bool nt)
: connection(c), reply(nullptr), type(t), needsToken(nt), errorCode(NoError)
{}
ConnectionData* connection;
QScopedPointer<QNetworkReply, NetworkReplyDeleter> reply;
JobHttpType type;
bool needsToken;
int errorCode;
QString errorText;
};
BaseJob::BaseJob(ConnectionData* connection, JobHttpType type, QString name, bool needsToken)
: d(new Private(connection, type, needsToken))
{
setObjectName(name);
qDebug() << "Job" << objectName() << " created";
}
BaseJob::~BaseJob()
{
qDebug() << "Job" << objectName() << " destroyed";
}
ConnectionData* BaseJob::connection() const
{
return d->connection;
}
QJsonObject BaseJob::data() const
{
return QJsonObject();
}
QUrlQuery BaseJob::query() const
{
return QUrlQuery();
}
void BaseJob::start()
{
QUrl url = d->connection->baseUrl();
url.setPath( url.path() + "/" + apiPath() );
QUrlQuery query = this->query();
if( d->needsToken )
query.addQueryItem("access_token", connection()->token());
url.setQuery(query);
QNetworkRequest req = QNetworkRequest(url);
req.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
req.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
req.setMaximumRedirectsAllowed(10);
#endif
QJsonDocument data = QJsonDocument(this->data());
switch( d->type )
{
case JobHttpType::GetJob:
d->reply.reset( d->connection->nam()->get(req) );
break;
case JobHttpType::PostJob:
d->reply.reset( d->connection->nam()->post(req, data.toJson()) );
break;
case JobHttpType::PutJob:
d->reply.reset( d->connection->nam()->put(req, data.toJson()) );
break;
}
connect( d->reply.data(), &QNetworkReply::sslErrors, this, &BaseJob::sslErrors );
connect( d->reply.data(), &QNetworkReply::finished, this, &BaseJob::gotReply );
QTimer::singleShot( 120*1000, this, SLOT(timeout()) );
// connect( d->reply, static_cast<void(QNetworkReply::*)(QNetworkReply::NetworkError)>(&QNetworkReply::error),
// this, &BaseJob::networkError ); // http://doc.qt.io/qt-5/qnetworkreply.html#error-1
}
void BaseJob::gotReply()
{
if (checkReply(d->reply.data()))
parseReply(d->reply->readAll());
// FIXME: we should not hold parseReply()/parseJson() responsible for
// emitting the result; it should be done here instead.
}
bool BaseJob::checkReply(QNetworkReply* reply)
{
switch( reply->error() )
{
case QNetworkReply::NoError:
return true;
case QNetworkReply::AuthenticationRequiredError:
case QNetworkReply::ContentAccessDenied:
case QNetworkReply::ContentOperationNotPermittedError:
qDebug() << "Content access error, Qt error code:" << reply->error();
fail( ContentAccessError, reply->errorString() );
return false;
default:
qDebug() << "NetworkError, Qt error code:" << reply->error();
fail( NetworkError, reply->errorString() );
return false;
}
}
void BaseJob::parseReply(QByteArray data)
{
QJsonParseError error;
QJsonDocument json = QJsonDocument::fromJson(data, &error);
if( error.error == QJsonParseError::NoError )
parseJson(json);
else
fail( JsonParseError, error.errorString() );
}
void BaseJob::parseJson(const QJsonDocument&)
{
// Do nothing by default
emitResult();
}
void BaseJob::finishJob(bool emitResult)
{
if (!d->reply)
{
qWarning() << objectName()
<< ": empty network reply (finish() called more than once?)";
return;
}
// Notify those that are interested in any completion of the job (including killing)
emit finished(this);
if (emitResult) {
emit result(this);
if (error())
emit failure(this);
else
emit success(this);
}
d->reply.reset();
deleteLater();
}
int BaseJob::error() const
{
return d->errorCode;
}
QString BaseJob::errorString() const
{
return d->errorText;
}
void BaseJob::setError(int errorCode)
{
d->errorCode = errorCode;
}
void BaseJob::setErrorText(QString errorText)
{
d->errorText = errorText;
}
void BaseJob::emitResult()
{
finishJob(true);
}
void BaseJob::abandon()
{
finishJob(false);
}
void BaseJob::fail(int errorCode, QString errorString)
{
setError( errorCode );
setErrorText( errorString );
qWarning() << "Job" << objectName() << "failed:" << errorString;
emitResult();
}
void BaseJob::timeout()
{
fail( TimeoutError, "The job has timed out" );
}
void BaseJob::sslErrors(const QList<QSslError>& errors)
{
foreach (const QSslError &error, errors) {
qWarning() << "SSL ERROR" << error.errorString();
}
d->reply->ignoreSslErrors(); // TODO: insecure! should prompt user first
}
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