pollymc/launcher/minecraft/auth/AccountTask.h

/* Copyright 2013-2021 MultiMC Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <tasks/Task.h>

#include <QString>
#include <QJsonObject>
#include <QTimer>
#include <qsslerror.h>

#include "MinecraftAccount.h"

class QNetworkReply;

/**
 * Enum for describing the state of the current task.
 * Used by the getStateMessage function to determine what the status message should be.
 */
enum class AccountTaskState
{
    STATE_CREATED,
    STATE_WORKING,
    STATE_SUCCEEDED,
    STATE_FAILED_SOFT, //!< soft failure. authentication went through partially
    STATE_FAILED_HARD, //!< hard failure. main tokens are invalid
    STATE_FAILED_GONE, //!< hard failure. main tokens are invalid, and the account no longer exists
    STATE_OFFLINE //!< soft failure. authentication failed in the first step in a 'soft' way
};

class AccountTask : public Task
{
    Q_OBJECT
public:
    explicit AccountTask(AccountData * data, QObject *parent = 0);
    virtual ~AccountTask() {};

    AccountTaskState m_taskState = AccountTaskState::STATE_CREATED;

    AccountTaskState taskState() {
        return m_taskState;
    }

signals:
    void showVerificationUriAndCode(const QUrl &uri, const QString &code, int expiresIn);
    void hideVerificationUriAndCode();

protected:

    /**
     * Returns the state message for the given state.
     * Used to set the status message for the task.
     * Should be overridden by subclasses that want to change messages for a given state.
     */
    virtual QString getStateMessage() const;

protected slots:
    // NOTE: true -> non-terminal state, false -> terminal state
    bool changeState(AccountTaskState newState, QString reason = QString());

protected:
    AccountData *m_data = nullptr;
};