Implement basic yggdrasil auth.
No fancy login token saving involved.
This commit is contained in:
Petr Mrázek
269
logic/net/LoginTask.cpp
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269
logic/net/LoginTask.cpp
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/* 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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#include "LoginTask.h"
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#include "MultiMC.h"
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#include <settingsobject.h>
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#include <QStringList>
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#include <QNetworkReply>
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#include <QNetworkRequest>
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#include <QUrl>
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#include <QUrlQuery>
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#include <QJsonParseError>
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#include <QJsonObject>
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LoginTask::LoginTask(const UserInfo &uInfo, QObject *parent) : Task(parent), uInfo(uInfo)
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{
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}
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void LoginTask::executeTask()
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{
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yggdrasilLogin();
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}
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void LoginTask::legacyLogin()
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{
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setStatus(tr("Logging in..."));
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auto worker = MMC->qnam();
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connect(worker.data(), SIGNAL(finished(QNetworkReply *)), this,
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SLOT(processLegacyReply(QNetworkReply *)));
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QUrl loginURL("https://login.minecraft.net/");
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QNetworkRequest netRequest(loginURL);
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netRequest.setHeader(QNetworkRequest::ContentTypeHeader,
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"application/x-www-form-urlencoded");
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QUrlQuery params;
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params.addQueryItem("user", uInfo.username);
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params.addQueryItem("password", uInfo.password);
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params.addQueryItem("version", "13");
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netReply = worker->post(netRequest, params.query(QUrl::EncodeSpaces).toUtf8());
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}
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void LoginTask::processLegacyReply(QNetworkReply *reply)
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{
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if (netReply != reply)
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return;
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// Check for errors.
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switch (reply->error())
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{
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case QNetworkReply::NoError:
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{
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// Check the response code.
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int responseCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
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if (responseCode == 200)
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{
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parseLegacyReply(reply->readAll());
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}
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else if (responseCode == 503)
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{
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emitFailed(tr("The login servers are currently unavailable. Check "
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"http://help.mojang.com/ for more info."));
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}
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else
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{
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emitFailed(tr("Login failed: Unknown HTTP error %1 occurred.")
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.arg(QString::number(responseCode)));
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}
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break;
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}
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case QNetworkReply::OperationCanceledError:
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emitFailed(tr("Login canceled."));
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break;
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default:
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emitFailed(tr("Login failed: %1").arg(reply->errorString()));
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break;
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}
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}
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void LoginTask::parseLegacyReply(QByteArray data)
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{
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QString responseStr = QString::fromUtf8(data);
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QStringList strings = responseStr.split(":");
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if (strings.count() >= 4)
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{
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// strings[1] is the download ticket. It isn't used anymore.
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QString username = strings[2];
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QString sessionID = strings[3];
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/*
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struct LoginResponse
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{
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QString username;
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QString session_id;
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QString player_name;
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QString player_id;
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QString client_id;
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};
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*/
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result = {username, sessionID, username, QString()};
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emitSucceeded();
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}
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else
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{
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if (responseStr.toLower() == "bad login")
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emitFailed(tr("Invalid username or password."));
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else if (responseStr.toLower() == "old version")
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emitFailed(tr("Launcher outdated, please update."));
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else
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emitFailed(tr("Login failed: %1").arg(responseStr));
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}
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}
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void LoginTask::yggdrasilLogin()
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{
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setStatus(tr("Logging in..."));
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auto worker = MMC->qnam();
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connect(worker.data(), SIGNAL(finished(QNetworkReply *)), this,
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SLOT(processYggdrasilReply(QNetworkReply *)));
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/*
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{
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// agent def. version might be incremented at some point
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"agent":{"name":"Minecraft","version":1},
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"username": "mojang account name",
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"password": "mojang account password",
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// client token is optional. but we supply one anyway
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"clientToken": "client identifier"
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}
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*/
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QUrl loginURL("https://authserver.mojang.com/authenticate");
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QNetworkRequest netRequest(loginURL);
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netRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
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auto settings = MMC->settings();
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QString clientToken = settings->get("YggdrasilClientToken").toString();
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// escape the {}
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clientToken.remove('{');
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clientToken.remove('}');
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// create the request
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QString requestConstent;
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requestConstent += "{";
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requestConstent += " \"agent\":{\"name\":\"Minecraft\",\"version\":1},\n";
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requestConstent += " \"username\":\"" + uInfo.username + "\",\n";
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requestConstent += " \"password\":\"" + uInfo.password + "\",\n";
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requestConstent += " \"clientToken\":\"" + clientToken + "\"\n";
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requestConstent += "}";
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netReply = worker->post(netRequest, requestConstent.toUtf8());
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}
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void LoginTask::processYggdrasilReply(QNetworkReply *reply)
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{
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if (netReply != reply)
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return;
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// Check for errors.
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switch (reply->error())
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{
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case QNetworkReply::NoError:
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{
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// Check the response code.
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int responseCode = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
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if (responseCode == 200)
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{
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parseYggdrasilReply(reply->readAll());
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}
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else if (responseCode == 503)
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{
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emitFailed(tr("The login servers are currently unavailable. Check "
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"http://help.mojang.com/ for more info."));
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}
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else
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{
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emitFailed(tr("Login failed: Unknown HTTP error %1 occurred.")
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.arg(QString::number(responseCode)));
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}
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break;
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}
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case QNetworkReply::OperationCanceledError:
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emitFailed(tr("Login canceled."));
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break;
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default:
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emitFailed(tr("Login failed: %1").arg(reply->errorString()));
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break;
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}
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}
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/*
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{
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"accessToken": "random access token", // hexadecimal
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"clientToken": "client identifier", // identical to the one received
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"availableProfiles": [ // only present if the agent field was received
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{
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"id": "profile identifier", // hexadecimal
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"name": "player name"
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}
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],
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"selectedProfile": { // only present if the agent field was received
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"id": "profile identifier",
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"name": "player name"
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}
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}
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*/
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void LoginTask::parseYggdrasilReply(QByteArray data)
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{
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QJsonParseError jsonError;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &jsonError);
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if (jsonError.error != QJsonParseError::NoError)
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{
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emitFailed(tr("Login failed: %1").arg(jsonError.errorString()));
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return;
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}
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if (!jsonDoc.isObject())
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{
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emitFailed(tr("Login failed: BAD FORMAT #1"));
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return;
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}
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QJsonObject root = jsonDoc.object();
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QString accessToken = root.value("accessToken").toString();
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QString clientToken = root.value("clientToken").toString();
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QString playerID;
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QString playerName;
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auto selectedProfile = root.value("selectedProfile");
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if(selectedProfile.isObject())
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{
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auto selectedProfileO = selectedProfile.toObject();
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playerID = selectedProfileO.value("id").toString();
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playerName = selectedProfileO.value("name").toString();
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}
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QString sessionID = "token:" + accessToken + ":" + playerID;
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/*
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struct LoginResponse
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{
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QString username;
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QString session_id;
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QString player_name;
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QString player_id;
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QString client_id;
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};
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*/
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result = {uInfo.username, sessionID, playerName, playerID};
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emitSucceeded();
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}
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62
logic/net/LoginTask.h
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62
logic/net/LoginTask.h
Normal file
@ -0,0 +1,62 @@
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/* 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 <QSharedPointer>
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struct UserInfo
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{
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QString username;
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QString password;
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};
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struct LoginResponse
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{
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QString username;
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QString session_id;
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QString player_name;
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QString player_id;
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};
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class QNetworkReply;
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class LoginTask : public Task
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{
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Q_OBJECT
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public:
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explicit LoginTask(const UserInfo &uInfo, QObject *parent = 0);
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LoginResponse getResult()
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{
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return result;
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}
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protected slots:
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void legacyLogin();
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void processLegacyReply(QNetworkReply *reply);
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void parseLegacyReply(QByteArray data);
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void yggdrasilLogin();
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void processYggdrasilReply(QNetworkReply *reply);
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void parseYggdrasilReply(QByteArray data);
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protected:
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void executeTask();
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LoginResponse result;
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QNetworkReply *netReply;
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UserInfo uInfo;
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};
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