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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtTest>

#include <QtNetworkAuth/qabstractoauthreplyhandler.h>
#include <QtNetworkAuth/qoauth2authorizationcodeflow.h>

#include "webserver.h"

class tst_OAuth2 : public QObject
{
    Q_OBJECT

private Q_SLOTS:
    void getToken();
};

struct ReplyHandler : QAbstractOAuthReplyHandler
{
    QString callback() const override
    {
        return QLatin1String("test");
    }

    void networkReplyFinished(QNetworkReply *reply) override
    {
        QVariantMap data;
        const auto items = QUrlQuery(reply->readAll()).queryItems();
        for (const auto &pair : items)
            data.insert(pair.first, pair.second);
        Q_EMIT tokensReceived(data);
    }

    void emitCallbackReceived(const QVariantMap &data)
    {
        Q_EMIT callbackReceived(data);
    }
};

void tst_OAuth2::getToken()
{
    WebServer webServer([](const WebServer::HttpRequest &request, QTcpSocket *socket) {
        if (request.url.path() == QLatin1String("/accessToken")) {
            const QString text = "access_token=token&token_type=bearer";
            const QByteArray replyMessage {
                "HTTP/1.0 200 OK\r\n"
                "Content-Type: application/x-www-form-urlencoded; charset=\"utf-8\"\r\n"
                "Content-Length: " + QByteArray::number(text.size()) + "\r\n\r\n"
                + text.toUtf8()
            };
            socket->write(replyMessage);
        }
    });
    QOAuth2AuthorizationCodeFlow oauth2;
    oauth2.setAuthorizationUrl(webServer.url(QLatin1String("authorization")));
    oauth2.setAccessTokenUrl(webServer.url(QLatin1String("accessToken")));
    auto replyHandler = new ReplyHandler;
    oauth2.setReplyHandler(replyHandler);
    connect(&oauth2, &QOAuth2AuthorizationCodeFlow::authorizeWithBrowser, [&](const QUrl &url) {
        const QUrlQuery query(url.query());
        replyHandler->emitCallbackReceived(QVariantMap {
                                               { QLatin1String("code"), QLatin1String("test") },
                                               { QLatin1String("state"),
                                                 query.queryItemValue(QLatin1String("state")) }
                                           });
    });
    QSignalSpy grantedSpy(&oauth2, &QOAuth2AuthorizationCodeFlow::granted);
    oauth2.grant();
    QTRY_COMPARE(grantedSpy.count(), 1);
    QCOMPARE(oauth2.token(), QLatin1String("token"));
}

QTEST_MAIN(tst_OAuth2)
#include "tst_oauth2.moc"