1 files changed, 156 insertions, 0 deletions
diff --git a/logic/auth/flows/RefreshTask.cpp b/logic/auth/flows/RefreshTask.cpp
new file mode 100644
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+++ b/logic/auth/flows/RefreshTask.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/flows/RefreshTask.h>
+
+#include <logic/auth/MojangAccount.h>
+
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QVariant>
+#include <QDebug>
+
+#include "logger/QsLog.h"
+
+RefreshTask::RefreshTask(MojangAccountPtr account, QObject *parent)
+	: YggdrasilTask(account, parent)
+{
+}
+
+QJsonObject RefreshTask::getRequestContent() const
+{
+	/*
+	 * {
+	 *  "clientToken": "client identifier"
+	 *  "accessToken": "current access token to be refreshed"
+	 *  "selectedProfile":                      // specifying this causes errors
+	 *  {
+	 *   "id": "profile ID"
+	 *   "name": "profile name"
+	 *  }
+	 *  "requestUser": true/false               // request the user structure
+	 * }
+	 */
+	auto account = getMojangAccount();
+	QJsonObject req;
+	req.insert("clientToken", account->clientToken());
+	req.insert("accessToken", account->accessToken());
+	/*
+	{
+		auto currentProfile = account->currentProfile();
+		QJsonObject profile;
+		profile.insert("id", currentProfile->id());
+		profile.insert("name", currentProfile->name());
+		req.insert("selectedProfile", profile);
+	}
+	*/
+	req.insert("requestUser", true);
+
+	return req;
+}
+
+bool RefreshTask::processResponse(QJsonObject responseData)
+{
+	auto account = getMojangAccount();
+
+	// 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.
+	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 (!account->clientToken().isEmpty() && clientToken != account->clientToken())
+	{
+		// The server changed our client token! Obey its wishes, but complain. That's what I do
+		// for my parents, so...
+		QLOG_ERROR() << "Server changed our client token to '" << clientToken
+					 << "'. This shouldn't happen, but it isn't really a big deal.";
+		return false;
+	}
+
+	// Now, we set the access token.
+	QLOG_DEBUG() << "Getting new 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.";
+		return false;
+	}
+
+	// we validate that the server responded right. (our current profile = returned current
+	// profile)
+	QJsonObject currentProfile = responseData.value("selectedProfile").toObject();
+	QString currentProfileId = currentProfile.value("id").toString("");
+	if (account->currentProfile()->id() != currentProfileId)
+	{
+		// TODO: Set an error to display to the user.
+		QLOG_ERROR() << "Server didn't specify the same selected profile as ours.";
+		return false;
+	}
+
+	// this is what the vanilla launcher passes to the userProperties launch param
+	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 refresh response.";
+	// Reset the access token.
+	account->setAccessToken(accessToken);
+	account->propagateChange();
+	return true;
+}
+
+QString RefreshTask::getEndpoint() const
+{
+	return "refresh";
+}
+
+QString RefreshTask::getStateMessage(const YggdrasilTask::State state) const
+{
+	switch (state)
+	{
+	case STATE_SENDING_REQUEST:
+		return tr("Refreshing: Sending request.");
+	case STATE_PROCESSING_RESPONSE:
+		return tr("Refreshing: Processing response.");
+	default:
+		return YggdrasilTask::getStateMessage(state);
+	}
+}