NOISSUE reorganize and document libraries

15 files changed, 0 insertions, 1556 deletions

diff --git a/libraries/logic/net/ByteArrayDownload.cpp b/libraries/logic/net/ByteArrayDownload.cpp
deleted file mode 100644
index 21990eeb..00000000
--- a/libraries/logic/net/ByteArrayDownload.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/* 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.
- */
-
-#include "ByteArrayDownload.h"
-#include "Env.h"
-#include <QDebug>
-
-ByteArrayDownload::ByteArrayDownload(QUrl url) : NetAction()
-{
-	m_url = url;
-	m_status = Job_NotStarted;
-}
-
-void ByteArrayDownload::start()
-{
-	qDebug() << "Downloading " << m_url.toString();
-	QNetworkRequest request(m_url);
-	request.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Uncached)");
-	auto worker = ENV.qnam();
-	QNetworkReply *rep = worker->get(request);
-
-	m_reply.reset(rep);
-	connect(rep, SIGNAL(downloadProgress(qint64, qint64)),
-			SLOT(downloadProgress(qint64, qint64)));
-	connect(rep, SIGNAL(finished()), SLOT(downloadFinished()));
-	connect(rep, SIGNAL(error(QNetworkReply::NetworkError)),
-			SLOT(downloadError(QNetworkReply::NetworkError)));
-	connect(rep, SIGNAL(readyRead()), SLOT(downloadReadyRead()));
-}
-
-void ByteArrayDownload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
-{
-	m_total_progress = bytesTotal;
-	m_progress = bytesReceived;
-	emit netActionProgress(m_index_within_job, bytesReceived, bytesTotal);
-}
-
-void ByteArrayDownload::downloadError(QNetworkReply::NetworkError error)
-{
-	// error happened during download.
-	qCritical() << "Error getting URL:" << m_url.toString().toLocal8Bit()
-				 << "Network error: " << error;
-	m_status = Job_Failed;
-	m_errorString = m_reply->errorString();
-}
-
-void ByteArrayDownload::downloadFinished()
-{
-	QVariant redirect = m_reply->header(QNetworkRequest::LocationHeader);
-	QString redirectURL;
-	if(redirect.isValid())
-	{
-		redirectURL = redirect.toString();
-	}
-	// FIXME: This is a hack for https://bugreports.qt-project.org/browse/QTBUG-41061
-	else if(m_reply->hasRawHeader("Location"))
-	{
-		auto data = m_reply->rawHeader("Location");
-		if(data.size() > 2 && data[0] == '/' && data[1] == '/')
-			redirectURL = m_reply->url().scheme() + ":" + data;
-	}
-	if (!redirectURL.isEmpty())
-	{
-		m_url = QUrl(redirect.toString());
-		qDebug() << "Following redirect to " << m_url.toString();
-		start();
-		return;
-	}
-
-	// if the download succeeded
-	if (m_status != Job_Failed)
-	{
-		// nothing went wrong...
-		m_status = Job_Finished;
-		m_data = m_reply->readAll();
-		m_content_type = m_reply->header(QNetworkRequest::ContentTypeHeader).toString();
-		m_reply.reset();
-		emit succeeded(m_index_within_job);
-		return;
-	}
-	// else the download failed
-	else
-	{
-		m_reply.reset();
-		emit failed(m_index_within_job);
-		return;
-	}
-}
-
-void ByteArrayDownload::downloadReadyRead()
-{
-	// ~_~
-}
diff --git a/libraries/logic/net/ByteArrayDownload.h b/libraries/logic/net/ByteArrayDownload.h
deleted file mode 100644
index e2fc2911..00000000
--- a/libraries/logic/net/ByteArrayDownload.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/* 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 "multimc_logic_export.h"
-
-typedef std::shared_ptr<class ByteArrayDownload> ByteArrayDownloadPtr;
-class MULTIMC_LOGIC_EXPORT ByteArrayDownload : public NetAction
-{
-	Q_OBJECT
-public:
-	ByteArrayDownload(QUrl url);
-	static ByteArrayDownloadPtr make(QUrl url)
-	{
-		return ByteArrayDownloadPtr(new ByteArrayDownload(url));
-	}
-    virtual ~ByteArrayDownload() {};
-public:
-	/// if not saving to file, downloaded data is placed here
-	QByteArray m_data;
-
-	QString m_errorString;
-
-public
-slots:
-	virtual void start();
-
-protected
-slots:
-	void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
-	void downloadError(QNetworkReply::NetworkError error);
-	void downloadFinished();
-	void downloadReadyRead();
-};
diff --git a/libraries/logic/net/CacheDownload.cpp b/libraries/logic/net/CacheDownload.cpp
deleted file mode 100644
index 1ac55180..00000000
--- a/libraries/logic/net/CacheDownload.cpp
+++ /dev/null
@@ -1,192 +0,0 @@
-/* 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.
- */
-
-#include "CacheDownload.h"
-
-#include <QCryptographicHash>
-#include <QFileInfo>
-#include <QDateTime>
-#include <QDebug>
-#include "Env.h"
-#include <FileSystem.h>
-
-CacheDownload::CacheDownload(QUrl url, MetaEntryPtr entry)
-	: NetAction(), md5sum(QCryptographicHash::Md5)
-{
-	m_url = url;
-	m_entry = entry;
-	m_target_path = entry->getFullPath();
-	m_status = Job_NotStarted;
-}
-
-void CacheDownload::start()
-{
-	m_status = Job_InProgress;
-	if (!m_entry->isStale())
-	{
-		m_status = Job_Finished;
-		emit succeeded(m_index_within_job);
-		return;
-	}
-	// create a new save file
-	m_output_file.reset(new QSaveFile(m_target_path));
-
-	// if there already is a file and md5 checking is in effect and it can be opened
-	if (!FS::ensureFilePathExists(m_target_path))
-	{
-		qCritical() << "Could not create folder for " + m_target_path;
-		m_status = Job_Failed;
-		emit failed(m_index_within_job);
-		return;
-	}
-	if (!m_output_file->open(QIODevice::WriteOnly))
-	{
-		qCritical() << "Could not open " + m_target_path + " for writing";
-		m_status = Job_Failed;
-		emit failed(m_index_within_job);
-		return;
-	}
-	qDebug() << "Downloading " << m_url.toString();
-	QNetworkRequest request(m_url);
-
-	// check file consistency first.
-	QFile current(m_target_path);
-	if(current.exists() && current.size() != 0)
-	{
-		if (m_entry->getRemoteChangedTimestamp().size())
-			request.setRawHeader(QString("If-Modified-Since").toLatin1(),
-								m_entry->getRemoteChangedTimestamp().toLatin1());
-		if (m_entry->getETag().size())
-			request.setRawHeader(QString("If-None-Match").toLatin1(), m_entry->getETag().toLatin1());
-	}
-
-	request.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Cached)");
-
-	auto worker = ENV.qnam();
-	QNetworkReply *rep = worker->get(request);
-
-	m_reply.reset(rep);
-	connect(rep, SIGNAL(downloadProgress(qint64, qint64)),
-			SLOT(downloadProgress(qint64, qint64)));
-	connect(rep, SIGNAL(finished()), SLOT(downloadFinished()));
-	connect(rep, SIGNAL(error(QNetworkReply::NetworkError)),
-			SLOT(downloadError(QNetworkReply::NetworkError)));
-	connect(rep, SIGNAL(readyRead()), SLOT(downloadReadyRead()));
-}
-
-void CacheDownload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
-{
-	m_total_progress = bytesTotal;
-	m_progress = bytesReceived;
-	emit netActionProgress(m_index_within_job, bytesReceived, bytesTotal);
-}
-
-void CacheDownload::downloadError(QNetworkReply::NetworkError error)
-{
-	// error happened during download.
-	qCritical() << "Failed " << m_url.toString() << " with reason " << error;
-	m_status = Job_Failed;
-}
-void CacheDownload::downloadFinished()
-{
-	QVariant redirect = m_reply->header(QNetworkRequest::LocationHeader);
-	QString redirectURL;
-	if(redirect.isValid())
-	{
-		redirectURL = redirect.toString();
-	}
-	// FIXME: This is a hack for https://bugreports.qt-project.org/browse/QTBUG-41061
-	else if(m_reply->hasRawHeader("Location"))
-	{
-		auto data = m_reply->rawHeader("Location");
-		if(data.size() > 2 && data[0] == '/' && data[1] == '/')
-			redirectURL = m_reply->url().scheme() + ":" + data;
-	}
-	if (!redirectURL.isEmpty())
-	{
-		m_url = QUrl(redirect.toString());
-		qDebug() << "Following redirect to " << m_url.toString();
-		start();
-		return;
-	}
-
-	// if the download succeeded
-	if (m_status == Job_Failed)
-	{
-		m_output_file->cancelWriting();
-		m_reply.reset();
-		emit failed(m_index_within_job);
-		return;
-	}
-
-	// if we wrote any data to the save file, we try to commit the data to the real file.
-	if (wroteAnyData)
-	{
-		// nothing went wrong...
-		if (m_output_file->commit())
-		{
-			m_status = Job_Finished;
-			m_entry->setMD5Sum(md5sum.result().toHex().constData());
-		}
-		else
-		{
-			qCritical() << "Failed to commit changes to " << m_target_path;
-			m_output_file->cancelWriting();
-			m_reply.reset();
-			m_status = Job_Failed;
-			emit failed(m_index_within_job);
-			return;
-		}
-	}
-	else
-	{
-		m_status = Job_Finished;
-	}
-
-	// then get rid of the save file
-	m_output_file.reset();
-
-	QFileInfo output_file_info(m_target_path);
-
-	m_entry->setETag(m_reply->rawHeader("ETag").constData());
-	if (m_reply->hasRawHeader("Last-Modified"))
-	{
-		m_entry->setRemoteChangedTimestamp(m_reply->rawHeader("Last-Modified").constData());
-	}
-	m_entry->setLocalChangedTimestamp(output_file_info.lastModified().toUTC().toMSecsSinceEpoch());
-	m_entry->setStale(false);
-	ENV.metacache()->updateEntry(m_entry);
-
-	m_reply.reset();
-	emit succeeded(m_index_within_job);
-	return;
-}
-
-void CacheDownload::downloadReadyRead()
-{
-	QByteArray ba = m_reply->readAll();
-	md5sum.addData(ba);
-	if (m_output_file->write(ba) != ba.size())
-	{
-		qCritical() << "Failed writing into " + m_target_path;
-		m_status = Job_Failed;
-		m_output_file->cancelWriting();
-		m_output_file.reset();
-		emit failed(m_index_within_job);
-		wroteAnyData = false;
-		return;
-	}
-	wroteAnyData = true;
-}
diff --git a/libraries/logic/net/CacheDownload.h b/libraries/logic/net/CacheDownload.h
deleted file mode 100644
index d83b2a0f..00000000
--- a/libraries/logic/net/CacheDownload.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/* 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();
-};
diff --git a/libraries/logic/net/HttpMetaCache.cpp b/libraries/logic/net/HttpMetaCache.cpp
deleted file mode 100644
index ea3e2834..00000000
--- a/libraries/logic/net/HttpMetaCache.cpp
+++ /dev/null
@@ -1,273 +0,0 @@
-/* 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.
- */
-
-#include "Env.h"
-#include "HttpMetaCache.h"
-#include "FileSystem.h"
-
-#include <QFileInfo>
-#include <QFile>
-#include <QDateTime>
-#include <QCryptographicHash>
-
-#include <QDebug>
-
-#include <QJsonDocument>
-#include <QJsonArray>
-#include <QJsonObject>
-
-QString MetaEntry::getFullPath()
-{
-	// FIXME: make local?
-	return FS::PathCombine(basePath, relativePath);
-}
-
-HttpMetaCache::HttpMetaCache(QString path) : QObject()
-{
-	m_index_file = path;
-	saveBatchingTimer.setSingleShot(true);
-	saveBatchingTimer.setTimerType(Qt::VeryCoarseTimer);
-	connect(&saveBatchingTimer, SIGNAL(timeout()), SLOT(SaveNow()));
-}
-
-HttpMetaCache::~HttpMetaCache()
-{
-	saveBatchingTimer.stop();
-	SaveNow();
-}
-
-MetaEntryPtr HttpMetaCache::getEntry(QString base, QString resource_path)
-{
-	// no base. no base path. can't store
-	if (!m_entries.contains(base))
-	{
-		// TODO: log problem
-		return MetaEntryPtr();
-	}
-	EntryMap &map = m_entries[base];
-	if (map.entry_list.contains(resource_path))
-	{
-		return map.entry_list[resource_path];
-	}
-	return MetaEntryPtr();
-}
-
-MetaEntryPtr HttpMetaCache::resolveEntry(QString base, QString resource_path, QString expected_etag)
-{
-	auto entry = getEntry(base, resource_path);
-	// it's not present? generate a default stale entry
-	if (!entry)
-	{
-		return staleEntry(base, resource_path);
-	}
-
-	auto &selected_base = m_entries[base];
-	QString real_path = FS::PathCombine(selected_base.base_path, resource_path);
-	QFileInfo finfo(real_path);
-
-	// is the file really there? if not -> stale
-	if (!finfo.isFile() || !finfo.isReadable())
-	{
-		// if the file doesn't exist, we disown the entry
-		selected_base.entry_list.remove(resource_path);
-		return staleEntry(base, resource_path);
-	}
-
-	if (!expected_etag.isEmpty() && expected_etag != entry->etag)
-	{
-		// if the etag doesn't match expected, we disown the entry
-		selected_base.entry_list.remove(resource_path);
-		return staleEntry(base, resource_path);
-	}
-
-	// if the file changed, check md5sum
-	qint64 file_last_changed = finfo.lastModified().toUTC().toMSecsSinceEpoch();
-	if (file_last_changed != entry->local_changed_timestamp)
-	{
-		QFile input(real_path);
-		input.open(QIODevice::ReadOnly);
-		QString md5sum = QCryptographicHash::hash(input.readAll(), QCryptographicHash::Md5)
-							 .toHex()
-							 .constData();
-		if (entry->md5sum != md5sum)
-		{
-			selected_base.entry_list.remove(resource_path);
-			return staleEntry(base, resource_path);
-		}
-		// md5sums matched... keep entry and save the new state to file
-		entry->local_changed_timestamp = file_last_changed;
-		SaveEventually();
-	}
-
-	// entry passed all the checks we cared about.
-	entry->basePath = getBasePath(base);
-	return entry;
-}
-
-bool HttpMetaCache::updateEntry(MetaEntryPtr stale_entry)
-{
-	if (!m_entries.contains(stale_entry->baseId))
-	{
-		qCritical() << "Cannot add entry with unknown base: "
-					 << stale_entry->baseId.toLocal8Bit();
-		return false;
-	}
-	if (stale_entry->stale)
-	{
-		qCritical() << "Cannot add stale entry: " << stale_entry->getFullPath().toLocal8Bit();
-		return false;
-	}
-	m_entries[stale_entry->baseId].entry_list[stale_entry->relativePath] = stale_entry;
-	SaveEventually();
-	return true;
-}
-
-bool HttpMetaCache::evictEntry(MetaEntryPtr entry)
-{
-	if(entry)
-	{
-		entry->stale = true;
-		SaveEventually();
-		return true;
-	}
-	return false;
-}
-
-MetaEntryPtr HttpMetaCache::staleEntry(QString base, QString resource_path)
-{
-	auto foo = new MetaEntry();
-	foo->baseId = base;
-	foo->basePath = getBasePath(base);
-	foo->relativePath = resource_path;
-	foo->stale = true;
-	return MetaEntryPtr(foo);
-}
-
-void HttpMetaCache::addBase(QString base, QString base_root)
-{
-	// TODO: report error
-	if (m_entries.contains(base))
-		return;
-	// TODO: check if the base path is valid
-	EntryMap foo;
-	foo.base_path = base_root;
-	m_entries[base] = foo;
-}
-
-QString HttpMetaCache::getBasePath(QString base)
-{
-	if (m_entries.contains(base))
-	{
-		return m_entries[base].base_path;
-	}
-	return QString();
-}
-
-void HttpMetaCache::Load()
-{
-	if(m_index_file.isNull())
-		return;
-
-	QFile index(m_index_file);
-	if (!index.open(QIODevice::ReadOnly))
-		return;
-
-	QJsonDocument json = QJsonDocument::fromJson(index.readAll());
-	if (!json.isObject())
-		return;
-	auto root = json.object();
-	// check file version first
-	auto version_val = root.value("version");
-	if (!version_val.isString())
-		return;
-	if (version_val.toString() != "1")
-		return;
-
-	// read the entry array
-	auto entries_val = root.value("entries");
-	if (!entries_val.isArray())
-		return;
-	QJsonArray array = entries_val.toArray();
-	for (auto element : array)
-	{
-		if (!element.isObject())
-			return;
-		auto element_obj = element.toObject();
-		QString base = element_obj.value("base").toString();
-		if (!m_entries.contains(base))
-			continue;
-		auto &entrymap = m_entries[base];
-		auto foo = new MetaEntry();
-		foo->baseId = base;
-		QString path = foo->relativePath = element_obj.value("path").toString();
-		foo->md5sum = element_obj.value("md5sum").toString();
-		foo->etag = element_obj.value("etag").toString();
-		foo->local_changed_timestamp = element_obj.value("last_changed_timestamp").toDouble();
-		foo->remote_changed_timestamp =
-			element_obj.value("remote_changed_timestamp").toString();
-		// presumed innocent until closer examination
-		foo->stale = false;
-		entrymap.entry_list[path] = MetaEntryPtr(foo);
-	}
-}
-
-void HttpMetaCache::SaveEventually()
-{
-	// reset the save timer
-	saveBatchingTimer.stop();
-	saveBatchingTimer.start(30000);
-}
-
-void HttpMetaCache::SaveNow()
-{
-	if(m_index_file.isNull())
-		return;
-	QJsonObject toplevel;
-	toplevel.insert("version", QJsonValue(QString("1")));
-	QJsonArray entriesArr;
-	for (auto group : m_entries)
-	{
-		for (auto entry : group.entry_list)
-		{
-			// do not save stale entries. they are dead.
-			if(entry->stale)
-			{
-				continue;
-			}
-			QJsonObject entryObj;
-			entryObj.insert("base", QJsonValue(entry->baseId));
-			entryObj.insert("path", QJsonValue(entry->relativePath));
-			entryObj.insert("md5sum", QJsonValue(entry->md5sum));
-			entryObj.insert("etag", QJsonValue(entry->etag));
-			entryObj.insert("last_changed_timestamp",
-							QJsonValue(double(entry->local_changed_timestamp)));
-			if (!entry->remote_changed_timestamp.isEmpty())
-				entryObj.insert("remote_changed_timestamp",
-								QJsonValue(entry->remote_changed_timestamp));
-			entriesArr.append(entryObj);
-		}
-	}
-	toplevel.insert("entries", entriesArr);
-
-	QJsonDocument doc(toplevel);
-	try
-	{
-		FS::write(m_index_file, doc.toJson());
-	}
-	catch (Exception & e)
-	{
-		qWarning() << e.what();
-	}
-}
diff --git a/libraries/logic/net/HttpMetaCache.h b/libraries/logic/net/HttpMetaCache.h
deleted file mode 100644
index 7b626c70..00000000
--- a/libraries/logic/net/HttpMetaCache.h
+++ /dev/null
@@ -1,125 +0,0 @@
-/* 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 <QString>
-#include <QMap>
-#include <qtimer.h>
-#include <memory>
-
-#include "multimc_logic_export.h"
-
-class HttpMetaCache;
-
-class MULTIMC_LOGIC_EXPORT MetaEntry
-{
-friend class HttpMetaCache;
-protected:
-	MetaEntry() {}
-public:
-	bool isStale()
-	{
-		return stale;
-	}
-	void setStale(bool stale)
-	{
-		this->stale = stale;
-	}
-	QString getFullPath();
-	QString getRemoteChangedTimestamp()
-	{
-		return remote_changed_timestamp;
-	}
-	void setRemoteChangedTimestamp(QString remote_changed_timestamp)
-	{
-		this->remote_changed_timestamp = remote_changed_timestamp;
-	}
-	void setLocalChangedTimestamp(qint64 timestamp)
-	{
-		local_changed_timestamp = timestamp;
-	}
-	QString getETag()
-	{
-		return etag;
-	}
-	void setETag(QString etag)
-	{
-		this->etag = etag;
-	}
-	QString getMD5Sum()
-	{
-		return md5sum;
-	}
-	void setMD5Sum(QString md5sum)
-	{
-		this->md5sum = md5sum;
-	}
-protected:
-	QString baseId;
-	QString basePath;
-	QString relativePath;
-	QString md5sum;
-	QString etag;
-	qint64 local_changed_timestamp = 0;
-	QString remote_changed_timestamp; // QString for now, RFC 2822 encoded time
-	bool stale = true;
-};
-
-typedef std::shared_ptr<MetaEntry> MetaEntryPtr;
-
-class MULTIMC_LOGIC_EXPORT HttpMetaCache : public QObject
-{
-	Q_OBJECT
-public:
-	// supply path to the cache index file
-	HttpMetaCache(QString path = QString());
-	~HttpMetaCache();
-
-	// get the entry solely from the cache
-	// you probably don't want this, unless you have some specific caching needs.
-	MetaEntryPtr getEntry(QString base, QString resource_path);
-
-	// get the entry from cache and verify that it isn't stale (within reason)
-	MetaEntryPtr resolveEntry(QString base, QString resource_path,
-							  QString expected_etag = QString());
-
-	// add a previously resolved stale entry
-	bool updateEntry(MetaEntryPtr stale_entry);
-
-	// evict selected entry from cache
-	bool evictEntry(MetaEntryPtr entry);
-
-	void addBase(QString base, QString base_root);
-
-	// (re)start a timer that calls SaveNow later.
-	void SaveEventually();
-	void Load();
-	QString getBasePath(QString base);
-public
-slots:
-	void SaveNow();
-
-private:
-	// create a new stale entry, given the parameters
-	MetaEntryPtr staleEntry(QString base, QString resource_path);
-	struct EntryMap
-	{
-		QString base_path;
-		QMap<QString, MetaEntryPtr> entry_list;
-	};
-	QMap<QString, EntryMap> m_entries;
-	QString m_index_file;
-	QTimer saveBatchingTimer;
-};
diff --git a/libraries/logic/net/MD5EtagDownload.cpp b/libraries/logic/net/MD5EtagDownload.cpp
deleted file mode 100644
index 3b4d5dcd..00000000
--- a/libraries/logic/net/MD5EtagDownload.cpp
+++ /dev/null
@@ -1,155 +0,0 @@
-/* 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.
- */
-
-#include "Env.h"
-#include "MD5EtagDownload.h"
-#include <FileSystem.h>
-#include <QCryptographicHash>
-#include <QDebug>
-
-MD5EtagDownload::MD5EtagDownload(QUrl url, QString target_path) : NetAction()
-{
-	m_url = url;
-	m_target_path = target_path;
-	m_status = Job_NotStarted;
-}
-
-void MD5EtagDownload::start()
-{
-	QString filename = m_target_path;
-	m_output_file.setFileName(filename);
-	// if there already is a file and md5 checking is in effect and it can be opened
-	if (m_output_file.exists() && m_output_file.open(QIODevice::ReadOnly))
-	{
-		// get the md5 of the local file.
-		m_local_md5 =
-			QCryptographicHash::hash(m_output_file.readAll(), QCryptographicHash::Md5)
-				.toHex()
-				.constData();
-		m_output_file.close();
-		// if we are expecting some md5sum, compare it with the local one
-		if (!m_expected_md5.isEmpty())
-		{
-			// skip if they match
-			if(m_local_md5 == m_expected_md5)
-			{
-				qDebug() << "Skipping " << m_url.toString() << ": md5 match.";
-				emit succeeded(m_index_within_job);
-				return;
-			}
-		}
-		else
-		{
-			// no expected md5. we use the local md5sum as an ETag
-		}
-	}
-	if (!FS::ensureFilePathExists(filename))
-	{
-		emit failed(m_index_within_job);
-		return;
-	}
-
-	QNetworkRequest request(m_url);
-
-	qDebug() << "Downloading " << m_url.toString() << " local MD5: " << m_local_md5;
-
-	if(!m_local_md5.isEmpty())
-	{
-		request.setRawHeader(QString("If-None-Match").toLatin1(), m_local_md5.toLatin1());
-	}
-	if(!m_expected_md5.isEmpty())
-		qDebug() << "Expecting " << m_expected_md5;
-
-	request.setHeader(QNetworkRequest::UserAgentHeader, "MultiMC/5.0 (Uncached)");
-
-	// Go ahead and try to open the file.
-	// If we don't do this, empty files won't be created, which breaks the updater.
-	// Plus, this way, we don't end up starting a download for a file we can't open.
-	if (!m_output_file.open(QIODevice::WriteOnly))
-	{
-		emit failed(m_index_within_job);
-		return;
-	}
-
-	auto worker = ENV.qnam();
-	QNetworkReply *rep = worker->get(request);
-
-	m_reply.reset(rep);
-	connect(rep, SIGNAL(downloadProgress(qint64, qint64)),
-			SLOT(downloadProgress(qint64, qint64)));
-	connect(rep, SIGNAL(finished()), SLOT(downloadFinished()));
-	connect(rep, SIGNAL(error(QNetworkReply::NetworkError)),
-			SLOT(downloadError(QNetworkReply::NetworkError)));
-	connect(rep, SIGNAL(readyRead()), SLOT(downloadReadyRead()));
-}
-
-void MD5EtagDownload::downloadProgress(qint64 bytesReceived, qint64 bytesTotal)
-{
-	m_total_progress = bytesTotal;
-	m_progress = bytesReceived;
-	emit netActionProgress(m_index_within_job, bytesReceived, bytesTotal);
-}
-
-void MD5EtagDownload::downloadError(QNetworkReply::NetworkError error)
-{
-	qCritical() << "Error" << error << ":" << m_reply->errorString() << "while downloading"
-				 << m_reply->url();
-	m_status = Job_Failed;
-}
-
-void MD5EtagDownload::downloadFinished()
-{
-	// if the download succeeded
-	if (m_status != Job_Failed)
-	{
-		// nothing went wrong...
-		m_status = Job_Finished;
-		m_output_file.close();
-
-		// FIXME: compare with the real written data md5sum
-		// this is just an ETag
-		qDebug() << "Finished " << m_url.toString() << " got " << m_reply->rawHeader("ETag").constData();
-
-		m_reply.reset();
-		emit succeeded(m_index_within_job);
-		return;
-	}
-	// else the download failed
-	else
-	{
-		m_output_file.close();
-		m_output_file.remove();
-		m_reply.reset();
-		emit failed(m_index_within_job);
-		return;
-	}
-}
-
-void MD5EtagDownload::downloadReadyRead()
-{
-	if (!m_output_file.isOpen())
-	{
-		if (!m_output_file.open(QIODevice::WriteOnly))
-		{
-			/*
-			* Can't open the file... the job failed
-			*/
-			m_reply->abort();
-			emit failed(m_index_within_job);
-			return;
-		}
-	}
-	m_output_file.write(m_reply->readAll());
-}
diff --git a/libraries/logic/net/MD5EtagDownload.h b/libraries/logic/net/MD5EtagDownload.h
deleted file mode 100644
index cd1cb550..00000000
--- a/libraries/logic/net/MD5EtagDownload.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* Copyright 2013-2015 MultiMC Contr