151 lines
3.9 KiB
C++
151 lines
3.9 KiB
C++
/* Copyright 2013-2018 MultiMC Contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <tasks/Task.h>
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#include <QString>
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#include <QJsonObject>
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#include <QTimer>
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#include <qsslerror.h>
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#include "MojangAccount.h"
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class QNetworkReply;
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/**
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* A Yggdrasil task is a task that performs an operation on a given mojang account.
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*/
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class YggdrasilTask : public Task
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{
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Q_OBJECT
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public:
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explicit YggdrasilTask(MojangAccount * account, QObject *parent = 0);
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/**
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* assign a session to this task. the session will be filled with required infomration
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* upon completion
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*/
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void assignSession(AuthSessionPtr session)
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{
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m_session = session;
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}
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/// get the assigned session for filling with information.
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AuthSessionPtr getAssignedSession()
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{
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return m_session;
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}
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/**
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* Class describing a Yggdrasil error response.
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*/
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struct Error
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{
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QString m_errorMessageShort;
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QString m_errorMessageVerbose;
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QString m_cause;
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};
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enum AbortedBy
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{
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BY_NOTHING,
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BY_USER,
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BY_TIMEOUT
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} m_aborted = BY_NOTHING;
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/**
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* Enum for describing the state of the current task.
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* Used by the getStateMessage function to determine what the status message should be.
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*/
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enum State
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{
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STATE_CREATED,
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STATE_SENDING_REQUEST,
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STATE_PROCESSING_RESPONSE,
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STATE_FAILED_SOFT, //!< soft failure. this generally means the user auth details haven't been invalidated
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STATE_FAILED_HARD, //!< hard failure. auth is invalid
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STATE_SUCCEEDED
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} m_state = STATE_CREATED;
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protected:
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virtual void executeTask() override;
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/**
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* Gets the JSON object that will be sent to the authentication server.
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* Should be overridden by subclasses.
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*/
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virtual QJsonObject getRequestContent() const = 0;
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/**
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* Gets the endpoint to POST to.
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* No leading slash.
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*/
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virtual QString getEndpoint() const = 0;
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/**
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* Processes the response received from the server.
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* If an error occurred, this should emit a failed signal and return false.
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* If Yggdrasil gave an error response, it should call setError() first, and then return false.
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* Otherwise, it should return true.
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* Note: If the response from the server was blank, and the HTTP code was 200, this function is called with
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* an empty QJsonObject.
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*/
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virtual void processResponse(QJsonObject responseData) = 0;
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/**
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* Processes an error response received from the server.
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* The default implementation will read data from Yggdrasil's standard error response format and set it as this task's Error.
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* \returns a QString error message that will be passed to emitFailed.
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*/
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virtual void processError(QJsonObject responseData);
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/**
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* Returns the state message for the given state.
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* Used to set the status message for the task.
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* Should be overridden by subclasses that want to change messages for a given state.
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*/
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virtual QString getStateMessage() const;
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protected
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slots:
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void processReply();
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void refreshTimers(qint64, qint64);
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void heartbeat();
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void sslErrors(QList<QSslError>);
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void changeState(State newState, QString reason=QString());
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public
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slots:
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virtual bool abort() override;
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void abortByTimeout();
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State state();
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protected:
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// FIXME: segfault disaster waiting to happen
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MojangAccount *m_account = nullptr;
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QNetworkReply *m_netReply = nullptr;
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std::shared_ptr<Error> m_error;
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QTimer timeout_keeper;
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QTimer counter;
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int count = 0; // num msec since time reset
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const int timeout_max = 30000;
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const int time_step = 50;
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AuthSessionPtr m_session;
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};
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