/examples/oauth/twittertimeline/twitter.cpp

/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Network Auth module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of The Qt Company Ltd nor the names of its
**     contributors may be used to endorse or promote products derived
**     from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "twitter.h"

#include <QtGui>
#include <QtCore>
#include <QtNetwork>

Twitter::Twitter(QObject *parent) :
    Twitter(QString(), qMakePair(QString(), QString()), parent)
{}

Twitter::Twitter(const QPair<QString, QString> &clientCredentials, QObject *parent) :
    Twitter(QString(), clientCredentials, parent)
{}

Twitter::Twitter(const QString &screenName,
                 const QPair<QString, QString> &clientCredentials,
                 QObject *parent) :
    QOAuth1(clientCredentials.first, clientCredentials.second, nullptr, parent)
{
    replyHandler = new QOAuthHttpServerReplyHandler(1337, this);
    replyHandler->setCallbackPath("callback");
    setReplyHandler(replyHandler);
    setTemporaryCredentialsUrl(QUrl("https://api.twitter.com/oauth/request_token"));
    setAuthorizationUrl(QUrl("https://api.twitter.com/oauth/authenticate"));
    setTokenCredentialsUrl(QUrl("https://api.twitter.com/oauth/access_token"));

    connect(this, &QAbstractOAuth::authorizeWithBrowser, [=](QUrl url) {
        QUrlQuery query(url);

        // Forces the user to enter their credentials to authorize the correct
        // user account
        query.addQueryItem("force_login", "true");

        if (!screenName.isEmpty())
            query.addQueryItem("screen_name", screenName);
        url.setQuery(query);
        QDesktopServices::openUrl(url);
    });

    connect(this, &QOAuth1::granted, this, &Twitter::authenticated);

    if (!clientCredentials.first.isEmpty() && !clientCredentials.second.isEmpty())
        grant();
}