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diff --git a/api/logic/net/CacheDownload.h b/api/logic/net/CacheDownload.h
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+++ b/api/logic/net/CacheDownload.h
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+/* Copyright 2013-2015 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 "NetAction.h"
+#include "HttpMetaCache.h"
+#include <QCryptographicHash>
+#include <QSaveFile>
+
+#include "multimc_logic_export.h"
+
+typedef std::shared_ptr<class CacheDownload> CacheDownloadPtr;
+class MULTIMC_LOGIC_EXPORT CacheDownload : public NetAction
+{
+	Q_OBJECT
+private:
+	MetaEntryPtr m_entry;
+	/// if saving to file, use the one specified in this string
+	QString m_target_path;
+
+	/// this is the output file, if any
+	std::unique_ptr<QSaveFile> m_output_file;
+
+	/// the hash-as-you-download
+	QCryptographicHash md5sum;
+
+	bool wroteAnyData = false;
+
+public:
+	explicit CacheDownload(QUrl url, MetaEntryPtr entry);
+	static CacheDownloadPtr make(QUrl url, MetaEntryPtr entry)
+	{
+		return CacheDownloadPtr(new CacheDownload(url, entry));
+	}
+	virtual ~CacheDownload(){};
+	QString getTargetFilepath()
+	{
+		return m_target_path;
+	}
+protected
+slots:
+	virtual void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
+	virtual void downloadError(QNetworkReply::NetworkError error);
+	virtual void downloadFinished();
+	virtual void downloadReadyRead();
+
+public
+slots:
+	virtual void start();
+};