Implement basic yggdrasil auth.

No fancy login token saving involved.

logic/net/LoginTask.h

@@ -0,0 +1,62 @@
+/* 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.
+ */
+
+#pragma once
+
+#include "logic/tasks/Task.h"
+#include <QSharedPointer>
+
+struct UserInfo
+{
+	QString username;
+	QString password;
+};
+
+struct LoginResponse
+{
+	QString username;
+	QString session_id;
+	QString player_name;
+	QString player_id;
+};
+
+class QNetworkReply;
+
+class LoginTask : public Task
+{
+	Q_OBJECT
+public:
+	explicit LoginTask(const UserInfo &uInfo, QObject *parent = 0);
+	LoginResponse getResult()
+	{
+		return result;
+	}
+
+protected slots:
+	void legacyLogin();
+	void processLegacyReply(QNetworkReply *reply);
+	void parseLegacyReply(QByteArray data);
+
+	void yggdrasilLogin();
+	void processYggdrasilReply(QNetworkReply *reply);
+	void parseYggdrasilReply(QByteArray data);
+
+protected:
+	void executeTask();
+
+	LoginResponse result;
+	QNetworkReply *netReply;
+	UserInfo uInfo;
+};