130 lines
3.4 KiB
C++
130 lines
3.4 KiB
C++
/* Copyright 2013 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 <logic/tasks/Task.h>
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#include <QString>
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#include <QJsonObject>
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class MojangAccount;
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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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~YggdrasilTask();
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/**
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* Class describing a Yggdrasil error response.
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*/
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class Error
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{
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public:
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Error(const QString& shortError, const QString& errorMessage, const QString& cause) :
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m_shortError(shortError), m_errorMessage(errorMessage), m_cause(cause) {}
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QString getShortError() const { return m_shortError; }
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QString getErrorMessage() const { return m_errorMessage; }
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QString getCause() const { return m_cause; }
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/// Gets the string to display in the GUI for describing this error.
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QString getDisplayMessage() { return getErrorMessage(); }
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protected:
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QString m_shortError;
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QString m_errorMessage;
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QString m_cause;
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};
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/**
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* Gets the Mojang account that this task is operating on.
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*/
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virtual MojangAccount* getMojangAccount() const;
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/**
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* Returns a pointer to a YggdrasilTask::Error object if an error has occurred.
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* If no error has occurred, returns a null pointer.
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*/
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virtual Error* getError() const;
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protected:
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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_SENDING_REQUEST,
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STATE_PROCESSING_RESPONSE,
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STATE_OTHER,
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};
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virtual void executeTask();
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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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*/
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virtual bool 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 QString 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 State state);
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MojangAccount* m_account;
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QNetworkReply* m_netReply;
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Error* m_error;
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protected slots:
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void processReply(QNetworkReply* reply);
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};
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