pollymc/logic/auth/AuthenticateTask.cpp

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/* Copyright 2013 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.
*/
#include <logic/auth/AuthenticateTask.h>
#include <logic/auth/MojangAccount.h>
#include <QJsonDocument>
#include <QJsonObject>
#include <QJsonArray>
#include <QVariant>
#include <QDebug>
#include "logger/QsLog.h"
AuthenticateTask::AuthenticateTask(MojangAccountPtr account, const QString& password, QObject* parent) :
YggdrasilTask(account, parent), m_password(password)
{
}
QJsonObject AuthenticateTask::getRequestContent() const
{
/*
* {
* "agent": { // optional
* "name": "Minecraft", // So far this is the only encountered value
* "version": 1 // This number might be increased
* // by the vanilla client in the future
* },
* "username": "mojang account name", // Can be an email address or player name for
// unmigrated accounts
* "password": "mojang account password",
* "clientToken": "client identifier" // optional
* }
*/
QJsonObject req;
{
QJsonObject agent;
// C++ makes string literals void* for some stupid reason, so we have to tell it QString... Thanks Obama.
agent.insert("name", QString("Minecraft"));
agent.insert("version", 1);
req.insert("agent", agent);
}
req.insert("username", getMojangAccount()->username());
req.insert("password", m_password);
// If we already have a client token, give it to the server.
// Otherwise, let the server give us one.
if (!getMojangAccount()->clientToken().isEmpty())
req.insert("clientToken", getMojangAccount()->clientToken());
return req;
}
bool AuthenticateTask::processResponse(QJsonObject responseData)
{
// Read the response data. We need to get the client token, access token, and the selected profile.
QLOG_DEBUG() << "Processing authentication response.";
// If we already have a client token, make sure the one the server gave us matches our existing one.
QLOG_DEBUG() << "Getting client token.";
QString clientToken = responseData.value("clientToken").toString("");
if (clientToken.isEmpty())
{
// Fail if the server gave us an empty client token
// TODO: Set an error properly to display to the user.
QLOG_ERROR() << "Server didn't send a client token.";
return false;
}
if (!getMojangAccount()->clientToken().isEmpty() && clientToken != getMojangAccount()->clientToken())
{
// The server changed our client token! Obey its wishes, but complain. That's what I do for my parents, so...
QLOG_WARN() << "Server changed our client token to '" << clientToken
<< "'. This shouldn't happen, but it isn't really a big deal.";
}
// Set the client token.
getMojangAccount()->setClientToken(clientToken);
// Now, we set the access token.
QLOG_DEBUG() << "Getting access token.";
QString accessToken = responseData.value("accessToken").toString("");
if (accessToken.isEmpty())
{
// Fail if the server didn't give us an access token.
// TODO: Set an error properly to display to the user.
QLOG_ERROR() << "Server didn't send an access token.";
}
// Set the access token.
getMojangAccount()->setAccessToken(accessToken);
// Now we load the list of available profiles.
// Mojang hasn't yet implemented the profile system,
// but we might as well support what's there so we
// don't have trouble implementing it later.
QLOG_DEBUG() << "Loading profile list.";
QJsonArray availableProfiles = responseData.value("availableProfiles").toArray();
ProfileList loadedProfiles;
for (auto iter : availableProfiles)
{
QJsonObject profile = iter.toObject();
// Profiles are easy, we just need their ID and name.
QString id = profile.value("id").toString("");
QString name = profile.value("name").toString("");
if (id.isEmpty() || name.isEmpty())
{
// This should never happen, but we might as well
// warn about it if it does so we can debug it easily.
// You never know when Mojang might do something truly derpy.
QLOG_WARN() << "Found entry in available profiles list with missing ID or name field. Ignoring it.";
}
// Now, add a new AccountProfile entry to the list.
loadedProfiles.append(AccountProfile(id, name));
}
// Put the list of profiles we loaded into the MojangAccount object.
getMojangAccount()->loadProfiles(loadedProfiles);
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// Finally, we set the current profile to the correct value. This is pretty simple.
// We do need to make sure that the current profile that the server gave us
// is actually in the available profiles list.
// If it isn't, we'll just fail horribly (*shouldn't* ever happen, but you never know).
QLOG_DEBUG() << "Setting current profile.";
QJsonObject currentProfile = responseData.value("selectedProfile").toObject();
QString currentProfileId = currentProfile.value("id").toString("");
if (currentProfileId.isEmpty())
{
// TODO: Set an error to display to the user.
QLOG_ERROR() << "Server didn't specify a currently selected profile.";
return false;
}
if (!getMojangAccount()->setProfile(currentProfileId))
{
// TODO: Set an error to display to the user.
QLOG_ERROR() << "Server specified a selected profile that wasn't in the available profiles list.";
return false;
}
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/*
public class User
{
private String id;
private List<Property> properties;
public String getId()
{
return this.id;
}
public List<Property> getProperties() {
return this.properties;
}
public class Property {
private String name;
private String value;
public Property() { }
public String getKey() { return this.name; }
public String getValue()
{
return this.value;
}
}
}
*/
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// this is what the vanilla launcher passes to the userProperties launch param
// doesn't seem to be used for anything so far? I don't get any of this data on my account
// (peterixxx)
// is it a good idea to log this?
if(responseData.contains("user"))
{
auto obj = responseData.value("user").toObject();
auto userId = obj.value("id").toString();
auto propArray = obj.value("properties").toArray();
QLOG_DEBUG() << "User ID: " << userId;
QLOG_DEBUG() << "User Properties: ";
for(auto prop: propArray)
{
auto propTuple = prop.toObject();
auto name = propTuple.value("name").toString();
auto value = propTuple.value("value").toString();
QLOG_DEBUG() << name << " : " << value;
}
}
// We've made it through the minefield of possible errors. Return true to indicate that we've succeeded.
QLOG_DEBUG() << "Finished reading authentication response.";
return true;
}
QString AuthenticateTask::getEndpoint() const
{
return "authenticate";
}
QString AuthenticateTask::getStateMessage(const YggdrasilTask::State state) const
{
switch (state)
{
case STATE_SENDING_REQUEST:
return tr("Authenticating: Sending request.");
case STATE_PROCESSING_RESPONSE:
return tr("Authenticating: Processing response.");
default:
return YggdrasilTask::getStateMessage(state);
}
}
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