From 69213b1206e97f7d4db4270a4b3b0af41dc9e6fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 21 Nov 2021 23:21:12 +0100
Subject: [PATCH] NOISSUE continue refactoring things to make tests pass

---
 launcher/Application.cpp                      | 147 ++++++++++--
 launcher/Application.h                        |  83 +++----
 launcher/CMakeLists.txt                       |   6 -
 launcher/Env.cpp                              | 210 ------------------
 launcher/Env.h                                |  63 ------
 launcher/InstanceImportTask.cpp               |  17 +-
 launcher/InstanceImportTask.h                 |   2 +-
 launcher/InstancePageProvider.h               |   2 -
 launcher/MainWindow.cpp                       |   6 +-
 launcher/SkinUtils.cpp                        |   4 +-
 launcher/dialogs/AboutDialog.cpp              |   2 +-
 launcher/dialogs/AboutDialog.h                |   2 +-
 launcher/dialogs/UpdateDialog.cpp             |   2 +-
 launcher/dialogs/UpdateDialog.h               |   2 +-
 launcher/icons/IIconList.cpp                  |   7 -
 launcher/icons/IIconList.h                    |  25 ---
 launcher/icons/IconList.h                     |  23 +-
 launcher/icons/MMCIcon.h                      |  10 +-
 launcher/java/JavaChecker.cpp                 |  12 +-
 launcher/meta/BaseEntity.cpp                  |  18 +-
 launcher/meta/BaseEntity.h                    |   6 +-
 launcher/meta/Index_test.cpp                  |   7 -
 launcher/minecraft/AssetsUtils.cpp            |   4 +-
 launcher/minecraft/AssetsUtils.h              |   4 +-
 launcher/minecraft/Component.cpp              |  18 +-
 launcher/minecraft/ComponentUpdateTask.cpp    |  23 +-
 launcher/minecraft/Library.cpp                |   5 +-
 launcher/minecraft/Library.h                  |   2 +-
 launcher/minecraft/Library_test.cpp           |   2 +-
 launcher/minecraft/MinecraftInstance.cpp      |  36 +--
 launcher/minecraft/MinecraftUpdate.cpp        |   1 -
 launcher/minecraft/PackProfile.cpp            |  21 +-
 launcher/minecraft/auth/flows/AuthContext.cpp |   4 +-
 launcher/minecraft/auth/flows/AuthRequest.cpp |   7 +-
 launcher/minecraft/auth/flows/Yggdrasil.cpp   |   5 +-
 .../minecraft/launch/LauncherPartLaunch.cpp   |  15 +-
 launcher/minecraft/services/CapeChange.cpp    |   8 +-
 launcher/minecraft/services/SkinDelete.cpp    |   6 +-
 launcher/minecraft/services/SkinUpload.cpp    |   6 +-
 launcher/minecraft/update/AssetUpdateTask.cpp |  12 +-
 launcher/minecraft/update/AssetUpdateTask.h   |   2 +-
 .../minecraft/update/FMLLibrariesTask.cpp     |  14 +-
 launcher/minecraft/update/FMLLibrariesTask.h  |   2 +-
 launcher/minecraft/update/LibrariesTask.cpp   |   8 +-
 launcher/minecraft/update/LibrariesTask.h     |   2 +-
 .../atlauncher/ATLPackInstallTask.cpp         |  39 ++--
 .../atlauncher/ATLPackInstallTask.h           |   2 +-
 .../modplatform/flame/FileResolvingTask.cpp   |   8 +-
 .../modplatform/flame/FileResolvingTask.h     |   5 +-
 .../modplatform/legacy_ftb/PackFetchTask.cpp  |  18 +-
 .../modplatform/legacy_ftb/PackFetchTask.h    |   5 +-
 .../legacy_ftb/PackInstallTask.cpp            |  26 +--
 .../modplatform/legacy_ftb/PackInstallTask.h  |   7 +-
 .../modpacksch/FTBPackInstallTask.cpp         |  13 +-
 .../modpacksch/FTBPackInstallTask.h           |   2 +-
 .../technic/SingleZipPackInstallTask.cpp      |  11 +-
 .../technic/SingleZipPackInstallTask.h        |   2 +-
 .../technic/SolderPackInstallTask.cpp         |  14 +-
 .../technic/SolderPackInstallTask.h           |   6 +-
 launcher/net/Download.cpp                     |  19 +-
 launcher/net/Download.h                       |   6 +-
 launcher/net/FileSink.cpp                     |   1 -
 launcher/net/HttpMetaCache.cpp                |   1 -
 launcher/net/MetaCacheSink.cpp                |   4 +-
 launcher/net/NetAction.h                      |  15 +-
 launcher/net/NetJob.cpp                       |   4 +-
 launcher/net/NetJob.h                         |  30 ++-
 launcher/net/PasteUpload.cpp                  |   7 +-
 launcher/news/NewsChecker.cpp                 |   5 +-
 launcher/news/NewsChecker.h                   |   6 +-
 .../notifications/NotificationChecker.cpp     |   6 +-
 launcher/notifications/NotificationChecker.h  |   2 +-
 launcher/pages/global/AccountListPage.cpp     |   1 -
 launcher/pages/global/ProxyPage.cpp           |  11 +-
 launcher/pages/instance/ScreenshotsPage.cpp   |   6 +-
 launcher/pages/instance/VersionPage.cpp       |   6 +-
 launcher/pages/modplatform/VanillaPage.cpp    |  17 +-
 .../modplatform/atlauncher/AtlListModel.cpp   |   9 +-
 .../modplatform/atlauncher/AtlListModel.h     |   2 +-
 .../pages/modplatform/flame/FlameModel.cpp    |   9 +-
 launcher/pages/modplatform/flame/FlameModel.h |   2 +-
 .../pages/modplatform/flame/FlamePage.cpp     |   2 +-
 .../pages/modplatform/ftb/FtbListModel.cpp    |  11 +-
 launcher/pages/modplatform/ftb/FtbListModel.h |   4 +-
 .../modplatform/legacy_ftb/ListModel.cpp      |   7 +-
 .../pages/modplatform/legacy_ftb/Page.cpp     |   4 +-
 .../modplatform/technic/TechnicModel.cpp      |   9 +-
 .../pages/modplatform/technic/TechnicModel.h  |   2 +-
 .../pages/modplatform/technic/TechnicPage.cpp |   4 +-
 launcher/screenshots/ImgurAlbumCreation.cpp   |  12 +-
 launcher/screenshots/ImgurAlbumCreation.h     |  11 +-
 launcher/screenshots/ImgurUpload.cpp          |  10 +-
 launcher/screenshots/ImgurUpload.h            |  22 +-
 launcher/screenshots/Screenshot.h             |  10 +-
 launcher/tasks/Task.h                         |   4 +
 launcher/translations/TranslationsModel.cpp   |  26 ++-
 launcher/updater/DownloadTask.cpp             |  14 +-
 launcher/updater/DownloadTask.h               |   9 +-
 launcher/updater/GoUpdate.cpp                 |   2 +-
 launcher/updater/GoUpdate.h                   |   2 +-
 launcher/updater/UpdateChecker.cpp            |  38 ++--
 launcher/updater/UpdateChecker.h              |   8 +-
 launcher/updater/UpdateChecker_test.cpp       |   6 +-
 103 files changed, 634 insertions(+), 773 deletions(-)
 delete mode 100644 launcher/Env.cpp
 delete mode 100644 launcher/Env.h
 delete mode 100644 launcher/icons/IIconList.cpp
 delete mode 100644 launcher/icons/IIconList.h

diff --git a/launcher/Application.cpp b/launcher/Application.cpp
index 8789d096..7a266213 100644
--- a/launcher/Application.cpp
+++ b/launcher/Application.cpp
@@ -47,7 +47,6 @@
 #include <minecraft/auth/AccountList.h>
 #include "icons/IconList.h"
 #include "net/HttpMetaCache.h"
-#include "Env.h"
 
 #include "java/JavaUtils.h"
 
@@ -62,6 +61,7 @@
 #include "settings/Setting.h"
 
 #include "translations/TranslationsModel.h"
+#include "meta/Index.h"
 
 #include <Commandline.h>
 #include <FileSystem.h>
@@ -520,10 +520,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         FS::updateTimestamp(m_rootPath);
 #endif
 
-#ifdef MULTIMC_JARS_LOCATION
-        ENV->setJarsPath( TOSTRING(MULTIMC_JARS_LOCATION) );
-#endif
-
         qDebug() << BuildConfig.LAUNCHER_DISPLAYNAME << ", (c) 2013-2021 " << BuildConfig.LAUNCHER_COPYRIGHT;
         qDebug() << "Version                    : " << BuildConfig.printableVersionString();
         qDebug() << "Git commit                 : " << BuildConfig.GIT_COMMIT;
@@ -730,6 +726,18 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
     QAccessible::installFactory(groupViewAccessibleFactory);
 #endif /* !QT_NO_ACCESSIBILITY */
 
+    // initialize network access and proxy setup
+    {
+        m_network = new QNetworkAccessManager();
+        QString proxyTypeStr = settings()->get("ProxyType").toString();
+        QString addr = settings()->get("ProxyAddr").toString();
+        int port = settings()->get("ProxyPort").value<qint16>();
+        QString user = settings()->get("ProxyUser").toString();
+        QString pass = settings()->get("ProxyPass").toString();
+        updateProxySettings(proxyTypeStr, addr, port, user, pass);
+        qDebug() << "<> Network done.";
+    }
+
     // load translations
     {
         m_translations.reset(new TranslationsModel("translations"));
@@ -745,7 +753,7 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         auto platform = getIdealPlatform(BuildConfig.BUILD_PLATFORM);
         auto channelUrl = BuildConfig.UPDATER_BASE + platform + "/channels.json";
         qDebug() << "Initializing updater with platform: " << platform << " -- " << channelUrl;
-        m_updateChecker.reset(new UpdateChecker(channelUrl, BuildConfig.VERSION_CHANNEL, BuildConfig.VERSION_BUILD));
+        m_updateChecker.reset(new UpdateChecker(m_network, channelUrl, BuildConfig.VERSION_CHANNEL, BuildConfig.VERSION_BUILD));
         qDebug() << "<> Updater started.";
     }
 
@@ -764,7 +772,6 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         {
             m_icons->directoryChanged(value.toString());
         });
-        ENV->registerIconList(m_icons);
         qDebug() << "<> Instance icons intialized.";
     }
 
@@ -821,21 +828,28 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
 
     // init the http meta cache
     {
-        ENV->initHttpMetaCache();
+        m_metacache.reset(new HttpMetaCache("metacache"));
+        m_metacache->addBase("asset_indexes", QDir("assets/indexes").absolutePath());
+        m_metacache->addBase("asset_objects", QDir("assets/objects").absolutePath());
+        m_metacache->addBase("versions", QDir("versions").absolutePath());
+        m_metacache->addBase("libraries", QDir("libraries").absolutePath());
+        m_metacache->addBase("minecraftforge", QDir("mods/minecraftforge").absolutePath());
+        m_metacache->addBase("fmllibs", QDir("mods/minecraftforge/libs").absolutePath());
+        m_metacache->addBase("liteloader", QDir("mods/liteloader").absolutePath());
+        m_metacache->addBase("general", QDir("cache").absolutePath());
+        m_metacache->addBase("ATLauncherPacks", QDir("cache/ATLauncherPacks").absolutePath());
+        m_metacache->addBase("FTBPacks", QDir("cache/FTBPacks").absolutePath());
+        m_metacache->addBase("ModpacksCHPacks", QDir("cache/ModpacksCHPacks").absolutePath());
+        m_metacache->addBase("TechnicPacks", QDir("cache/TechnicPacks").absolutePath());
+        m_metacache->addBase("FlamePacks", QDir("cache/FlamePacks").absolutePath());
+        m_metacache->addBase("root", QDir::currentPath());
+        m_metacache->addBase("translations", QDir("translations").absolutePath());
+        m_metacache->addBase("icons", QDir("cache/icons").absolutePath());
+        m_metacache->addBase("meta", QDir("meta").absolutePath());
+        m_metacache->Load();
         qDebug() << "<> Cache initialized.";
     }
 
-    // init proxy settings
-    {
-        QString proxyTypeStr = settings()->get("ProxyType").toString();
-        QString addr = settings()->get("ProxyAddr").toString();
-        int port = settings()->get("ProxyPort").value<qint16>();
-        QString user = settings()->get("ProxyUser").toString();
-        QString pass = settings()->get("ProxyPass").toString();
-        ENV->updateProxySettings(proxyTypeStr, addr, port, user, pass);
-        qDebug() << "<> Proxy settings done.";
-    }
-
     // now we have network, download translation updates
     m_translations->downloadIndex();
 
@@ -894,7 +908,8 @@ Application::Application(int &argc, char **argv) : QApplication(argc, argv)
         m_analytics = new GAnalytics(BuildConfig.ANALYTICS_ID, clientID, analyticsVersion, this);
         m_analytics->setLogLevel(GAnalytics::Debug);
         m_analytics->setAnonymizeIPs(true);
-        m_analytics->setNetworkAccessManager(&ENV->network());
+        // FIXME: the ganalytics library has no idea about our fancy shared pointers...
+        m_analytics->setNetworkAccessManager(network().get());
 
         if(m_settings->get("AnalyticsSeen").toInt() < m_analytics->version())
         {
@@ -1043,9 +1058,6 @@ void Application::showFatalErrorMessage(const QString& title, const QString& con
 
 Application::~Application()
 {
-    // kill the other globals.
-    Env::dispose();
-
     // Shut down logger by setting the logger function to nothing
     qInstallMessageHandler(nullptr);
 
@@ -1535,3 +1547,92 @@ void Application::on_windowClose()
 QString Application::msaClientId() const {
     return Secrets::getMSAClientID('-');
 }
+
+void Application::updateProxySettings(QString proxyTypeStr, QString addr, int port, QString user, QString password)
+{
+    // Set the application proxy settings.
+    if (proxyTypeStr == "SOCKS5")
+    {
+        QNetworkProxy::setApplicationProxy(
+            QNetworkProxy(QNetworkProxy::Socks5Proxy, addr, port, user, password));
+    }
+    else if (proxyTypeStr == "HTTP")
+    {
+        QNetworkProxy::setApplicationProxy(
+            QNetworkProxy(QNetworkProxy::HttpProxy, addr, port, user, password));
+    }
+    else if (proxyTypeStr == "None")
+    {
+        // If we have no proxy set, set no proxy and return.
+        QNetworkProxy::setApplicationProxy(QNetworkProxy(QNetworkProxy::NoProxy));
+    }
+    else
+    {
+        // If we have "Default" selected, set Qt to use the system proxy settings.
+        QNetworkProxyFactory::setUseSystemConfiguration(true);
+    }
+
+    qDebug() << "Detecting proxy settings...";
+    QNetworkProxy proxy = QNetworkProxy::applicationProxy();
+    m_network->setProxy(proxy);
+
+    QString proxyDesc;
+    if (proxy.type() == QNetworkProxy::NoProxy)
+    {
+        qDebug() << "Using no proxy is an option!";
+        return;
+    }
+    switch (proxy.type())
+    {
+    case QNetworkProxy::DefaultProxy:
+        proxyDesc = "Default proxy: ";
+        break;
+    case QNetworkProxy::Socks5Proxy:
+        proxyDesc = "Socks5 proxy: ";
+        break;
+    case QNetworkProxy::HttpProxy:
+        proxyDesc = "HTTP proxy: ";
+        break;
+    case QNetworkProxy::HttpCachingProxy:
+        proxyDesc = "HTTP caching: ";
+        break;
+    case QNetworkProxy::FtpCachingProxy:
+        proxyDesc = "FTP caching: ";
+        break;
+    default:
+        proxyDesc = "DERP proxy: ";
+        break;
+    }
+    proxyDesc += QString("%1:%2")
+                     .arg(proxy.hostName())
+                     .arg(proxy.port());
+    qDebug() << proxyDesc;
+}
+
+shared_qobject_ptr< HttpMetaCache > Application::metacache()
+{
+    return m_metacache;
+}
+
+shared_qobject_ptr<QNetworkAccessManager> Application::network()
+{
+    return m_network;
+}
+
+shared_qobject_ptr<Meta::Index> Application::metadataIndex()
+{
+    if (!m_metadataIndex)
+    {
+        m_metadataIndex.reset(new Meta::Index());
+    }
+    return m_metadataIndex;
+}
+
+QString Application::getJarsPath()
+{
+    if(m_jarsPath.isEmpty())
+    {
+        return FS::PathCombine(QCoreApplication::applicationDirPath(), "jars");
+    }
+    return m_jarsPath;
+}
diff --git a/launcher/Application.h b/launcher/Application.h
index ce22a2e8..1b2a2b60 100644
--- a/launcher/Application.h
+++ b/launcher/Application.h
@@ -18,7 +18,6 @@ class LocalPeer;
 class InstanceWindow;
 class MainWindow;
 class SetupWizard;
-class FolderInstanceProvider;
 class GenericPageProvider;
 class QFile;
 class HttpMetaCache;
@@ -36,6 +35,10 @@ class ITheme;
 class MCEditTool;
 class GAnalytics;
 
+namespace Meta {
+    class Index;
+}
+
 #if defined(APPLICATION)
 #undef APPLICATION
 #endif
@@ -46,8 +49,7 @@ class Application : public QApplication
     // friends for the purpose of limiting access to deprecated stuff
     Q_OBJECT
 public:
-    enum Status
-    {
+    enum Status {
         StartingUp,
         Failed,
         Succeeded,
@@ -58,18 +60,15 @@ public:
     Application(int &argc, char **argv);
     virtual ~Application();
 
-    GAnalytics *analytics() const
-    {
+    GAnalytics *analytics() const {
         return m_analytics;
     }
 
-    std::shared_ptr<SettingsObject> settings() const
-    {
+    std::shared_ptr<SettingsObject> settings() const {
         return m_settings;
     }
 
-    qint64 timeSinceStart() const
-    {
+    qint64 timeSinceStart() const {
         return startTime.msecsTo(QDateTime::currentDateTime());
     }
 
@@ -81,9 +80,7 @@ public:
 
     void setApplicationTheme(const QString& name, bool initial);
 
-    // DownloadUpdateTask
-    std::shared_ptr<UpdateChecker> updateChecker()
-    {
+    shared_qobject_ptr<UpdateChecker> updateChecker() {
         return m_updateChecker;
     }
 
@@ -91,46 +88,44 @@ public:
 
     std::shared_ptr<JavaInstallList> javalist();
 
-    std::shared_ptr<InstanceList> instances() const
-    {
+    std::shared_ptr<InstanceList> instances() const {
         return m_instances;
     }
 
-    FolderInstanceProvider * folderProvider() const
-    {
-        return m_instanceFolder;
-    }
-
-    std::shared_ptr<IconList> icons() const
-    {
+    std::shared_ptr<IconList> icons() const {
         return m_icons;
     }
 
-    MCEditTool *mcedit() const
-    {
+    MCEditTool *mcedit() const {
         return m_mcedit.get();
     }
 
-    shared_qobject_ptr<AccountList> accounts() const
-    {
+    shared_qobject_ptr<AccountList> accounts() const {
         return m_accounts;
     }
 
     QString msaClientId() const;
 
-    Status status() const
-    {
+    Status status() const {
         return m_status;
     }
 
-    const QMap<QString, std::shared_ptr<BaseProfilerFactory>> &profilers() const
-    {
+    const QMap<QString, std::shared_ptr<BaseProfilerFactory>> &profilers() const {
         return m_profilers;
     }
 
+    void updateProxySettings(QString proxyTypeStr, QString addr, int port, QString user, QString password);
+
+    shared_qobject_ptr<QNetworkAccessManager> network();
+
+    shared_qobject_ptr<HttpMetaCache> metacache();
+
+    shared_qobject_ptr<Meta::Index> metadataIndex();
+
+    QString getJarsPath();
+
     /// this is the root of the 'installation'. Used for automatic updates
-    const QString &root()
-    {
+    const QString &root() {
         return m_rootPath;
     }
 
@@ -155,11 +150,11 @@ signals:
 
 public slots:
     bool launch(
-            InstancePtr instance,
-            bool online = true,
-            BaseProfilerFactory *profiler = nullptr,
-            MinecraftServerTargetPtr serverToJoin = nullptr,
-            MinecraftAccountPtr accountToUse = nullptr
+        InstancePtr instance,
+        bool online = true,
+        BaseProfilerFactory *profiler = nullptr,
+        MinecraftServerTargetPtr serverToJoin = nullptr,
+        MinecraftAccountPtr accountToUse = nullptr
     );
     bool kill(InstancePtr instance);
 
@@ -186,17 +181,24 @@ private:
 private:
     QDateTime startTime;
 
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
+
+    shared_qobject_ptr<UpdateChecker> m_updateChecker;
+    shared_qobject_ptr<AccountList> m_accounts;
+
+    shared_qobject_ptr<HttpMetaCache> m_metacache;
+    shared_qobject_ptr<Meta::Index> m_metadataIndex;
+
     std::shared_ptr<SettingsObject> m_settings;
     std::shared_ptr<InstanceList> m_instances;
-    FolderInstanceProvider * m_instanceFolder = nullptr;
     std::shared_ptr<IconList> m_icons;
-    std::shared_ptr<UpdateChecker> m_updateChecker;
-    shared_qobject_ptr<AccountList> m_accounts;
     std::shared_ptr<JavaInstallList> m_javalist;
     std::shared_ptr<TranslationsModel> m_translations;
     std::shared_ptr<GenericPageProvider> m_globalSettingsProvider;
     std::map<QString, std::unique_ptr<ITheme>> m_themes;
     std::unique_ptr<MCEditTool> m_mcedit;
+    QString m_jarsPath;
+    QSet<QString> m_features;
 
     QMap<QString, std::shared_ptr<BaseProfilerFactory>> m_profilers;
 
@@ -209,8 +211,7 @@ private:
 #endif
 
     // FIXME: attach to instances instead.
-    struct InstanceXtras
-    {
+    struct InstanceXtras {
         InstanceWindow * window = nullptr;
         shared_qobject_ptr<LaunchController> controller;
     };
diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt
index f9a4327d..f2f42ab0 100644
--- a/launcher/CMakeLists.txt
+++ b/launcher/CMakeLists.txt
@@ -43,10 +43,6 @@ set(CORE_SOURCES
     # Prefix tree where node names are strings between separators
     SeparatorPrefixTree.h
 
-    # WARNING: globals live here
-    Env.h
-    Env.cpp
-
     # String filters
     Filter.h
     Filter.cpp
@@ -191,8 +187,6 @@ set(NEWS_SOURCES
 # Icon interface
 set(ICONS_SOURCES
     # Icons System and related code
-    icons/IIconList.h
-    icons/IIconList.cpp
     icons/IconUtils.h
     icons/IconUtils.cpp
 )
diff --git a/launcher/Env.cpp b/launcher/Env.cpp
deleted file mode 100644
index 1ca82e4b..00000000
--- a/launcher/Env.cpp
+++ /dev/null
@@ -1,210 +0,0 @@
-#include "Env.h"
-#include "net/HttpMetaCache.h"
-#include "BaseVersion.h"
-#include "BaseVersionList.h"
-#include <QDir>
-#include <QCoreApplication>
-#include <QNetworkProxy>
-#include <QNetworkAccessManager>
-#include <QDebug>
-#include "tasks/Task.h"
-#include "meta/Index.h"
-#include "FileSystem.h"
-#include <QDebug>
-
-
-struct Env::Private
-{
-    QNetworkAccessManager m_qnam;
-    shared_qobject_ptr<HttpMetaCache> m_metacache;
-    std::shared_ptr<IIconList> m_iconlist;
-    shared_qobject_ptr<Meta::Index> m_metadataIndex;
-    QString m_jarsPath;
-    QSet<QString> m_features;
-};
-
-static Env * instance;
-
-/*
- * The *NEW* global rat nest of an object. Handle with care.
- */
-
-Env::Env()
-{
-    d = new Private();
-}
-
-Env::~Env()
-{
-    delete d;
-}
-
-Env* Env::Env::getInstance()
-{
-    if(!instance)
-    {
-        instance = new Env();
-    }
-    return instance;
-}
-
-void Env::dispose()
-{
-    delete instance;
-    instance = nullptr;
-}
-
-shared_qobject_ptr< HttpMetaCache > Env::metacache()
-{
-    return d->m_metacache;
-}
-
-QNetworkAccessManager& Env::network() const
-{
-    return d->m_qnam;
-}
-
-std::shared_ptr<IIconList> Env::icons()
-{
-    return d->m_iconlist;
-}
-
-void Env::registerIconList(std::shared_ptr<IIconList> iconlist)
-{
-    d->m_iconlist = iconlist;
-}
-
-shared_qobject_ptr<Meta::Index> Env::metadataIndex()
-{
-    if (!d->m_metadataIndex)
-    {
-        d->m_metadataIndex.reset(new Meta::Index());
-    }
-    return d->m_metadataIndex;
-}
-
-
-void Env::initHttpMetaCache()
-{
-    auto &m_metacache = d->m_metacache;
-    m_metacache.reset(new HttpMetaCache("metacache"));
-    m_metacache->addBase("asset_indexes", QDir("assets/indexes").absolutePath());
-    m_metacache->addBase("asset_objects", QDir("assets/objects").absolutePath());
-    m_metacache->addBase("versions", QDir("versions").absolutePath());
-    m_metacache->addBase("libraries", QDir("libraries").absolutePath());
-    m_metacache->addBase("minecraftforge", QDir("mods/minecraftforge").absolutePath());
-    m_metacache->addBase("fmllibs", QDir("mods/minecraftforge/libs").absolutePath());
-    m_metacache->addBase("liteloader", QDir("mods/liteloader").absolutePath());
-    m_metacache->addBase("general", QDir("cache").absolutePath());
-    m_metacache->addBase("ATLauncherPacks", QDir("cache/ATLauncherPacks").absolutePath());
-    m_metacache->addBase("FTBPacks", QDir("cache/FTBPacks").absolutePath());
-    m_metacache->addBase("ModpacksCHPacks", QDir("cache/ModpacksCHPacks").absolutePath());
-    m_metacache->addBase("TechnicPacks", QDir("cache/TechnicPacks").absolutePath());
-    m_metacache->addBase("FlamePacks", QDir("cache/FlamePacks").absolutePath());
-    m_metacache->addBase("root", QDir::currentPath());
-    m_metacache->addBase("translations", QDir("translations").absolutePath());
-    m_metacache->addBase("icons", QDir("cache/icons").absolutePath());
-    m_metacache->addBase("meta", QDir("meta").absolutePath());
-    m_metacache->Load();
-}
-
-void Env::updateProxySettings(QString proxyTypeStr, QString addr, int port, QString user, QString password)
-{
-    // Set the application proxy settings.
-    if (proxyTypeStr == "SOCKS5")
-    {
-        QNetworkProxy::setApplicationProxy(
-            QNetworkProxy(QNetworkProxy::Socks5Proxy, addr, port, user, password));
-    }
-    else if (proxyTypeStr == "HTTP")
-    {
-        QNetworkProxy::setApplicationProxy(
-            QNetworkProxy(QNetworkProxy::HttpProxy, addr, port, user, password));
-    }
-    else if (proxyTypeStr == "None")
-    {
-        // If we have no proxy set, set no proxy and return.
-        QNetworkProxy::setApplicationProxy(QNetworkProxy(QNetworkProxy::NoProxy));
-    }
-    else
-    {
-        // If we have "Default" selected, set Qt to use the system proxy settings.
-        QNetworkProxyFactory::setUseSystemConfiguration(true);
-    }
-
-    qDebug() << "Detecting proxy settings...";
-    QNetworkProxy proxy = QNetworkProxy::applicationProxy();
-    d->m_qnam.setProxy(proxy);
-    QString proxyDesc;
-    if (proxy.type() == QNetworkProxy::NoProxy)
-    {
-        qDebug() << "Using no proxy is an option!";
-        return;
-    }
-    switch (proxy.type())
-    {
-    case QNetworkProxy::DefaultProxy:
-        proxyDesc = "Default proxy: ";
-        break;
-    case QNetworkProxy::Socks5Proxy:
-        proxyDesc = "Socks5 proxy: ";
-        break;
-    case QNetworkProxy::HttpProxy:
-        proxyDesc = "HTTP proxy: ";
-        break;
-    case QNetworkProxy::HttpCachingProxy:
-        proxyDesc = "HTTP caching: ";
-        break;
-    case QNetworkProxy::FtpCachingProxy:
-        proxyDesc = "FTP caching: ";
-        break;
-    default:
-        proxyDesc = "DERP proxy: ";
-        break;
-    }
-    proxyDesc += QString("%1:%2")
-                     .arg(proxy.hostName())
-                     .arg(proxy.port());
-    qDebug() << proxyDesc;
-}
-
-QString Env::getJarsPath()
-{
-    if(d->m_jarsPath.isEmpty())
-    {
-        return FS::PathCombine(QCoreApplication::applicationDirPath(), "jars");
-    }
-    return d->m_jarsPath;
-}
-
-void Env::setJarsPath(const QString& path)
-{
-    d->m_jarsPath = path;
-}
-
-void Env::enableFeature(const QString& featureName, bool state)
-{
-    if(state)
-    {
-        d->m_features.insert(featureName);
-    }
-    else
-    {
-        d->m_features.remove(featureName);
-    }
-}
-
-bool Env::isFeatureEnabled(const QString& featureName) const
-{
-    return d->m_features.contains(featureName);
-}
-
-void Env::getEnabledFeatures(QSet<QString>& features) const
-{
-    features = d->m_features;
-}
-
-void Env::setEnabledFeatures(const QSet<QString>& features) const
-{
-    d->m_features = features;
-}
diff --git a/launcher/Env.h b/launcher/Env.h
deleted file mode 100644
index cbf31732..00000000
--- a/launcher/Env.h
+++ /dev/null
@@ -1,63 +0,0 @@
-#pragma once
-
-#include <memory>
-#include "icons/IIconList.h"
-#include <QString>
-#include <QMap>
-
-#include "QObjectPtr.h"
-
-class QNetworkAccessManager;
-class HttpMetaCache;
-class BaseVersionList;
-class BaseVersion;
-
-namespace Meta
-{
-class Index;
-}
-
-#if defined(ENV)
-    #undef ENV
-#endif
-#define ENV (Env::getInstance())
-
-
-class Env
-{
-    friend class Application;
-private:
-    struct Private;
-    Env();
-    ~Env();
-    static void dispose();
-public:
-    static Env* getInstance();
-
-    QNetworkAccessManager &network() const;
-
-    shared_qobject_ptr<HttpMetaCache> metacache();
-
-    std::shared_ptr<IIconList> icons();
-
-    /// init the cache. FIXME: possible future hook point
-    void initHttpMetaCache();
-
-    /// Updates the application proxy settings from the settings object.
-    void updateProxySettings(QString proxyTypeStr, QString addr, int port, QString user, QString password);
-
-    void registerIconList(std::shared_ptr<IIconList> iconlist);
-
-    shared_qobject_ptr<Meta::Index> metadataIndex();
-
-    QString getJarsPath();
-    void setJarsPath(const QString & path);
-
-    bool isFeatureEnabled(const QString & featureName) const;
-    void enableFeature(const QString & featureName, bool state = true);
-    void getEnabledFeatures(QSet<QString> & features) const;
-    void setEnabledFeatures(const QSet<QString> & features) const;
-
-protected:
-    Private * d;
-};
diff --git a/launcher/InstanceImportTask.cpp b/launcher/InstanceImportTask.cpp
index 77beda66..d0a63fe3 100644
--- a/launcher/InstanceImportTask.cpp
+++ b/launcher/InstanceImportTask.cpp
@@ -16,11 +16,10 @@
 #include "InstanceImportTask.h"
 #include "BaseInstance.h"
 #include "FileSystem.h"
-#include "Env.h"
+#include "Application.h"
 #include "MMCZip.h"
 #include "NullInstance.h"
 #include "settings/INISettingsObject.h"
-#include "icons/IIconList.h"
 #include "icons/IconUtils.h"
 #include <QtConcurrentRun>
 
@@ -33,6 +32,9 @@
 #include <quazipdir.h>
 #include "modplatform/technic/TechnicPackProcessor.h"
 
+#include "icons/IconList.h"
+#include "Application.h"
+
 InstanceImportTask::InstanceImportTask(const QUrl sourceUrl)
 {
     m_sourceUrl = sourceUrl;
@@ -51,7 +53,7 @@ void InstanceImportTask::executeTask()
         m_downloadRequired = true;
 
         const QString path = m_sourceUrl.host() + '/' + m_sourceUrl.path();
-        auto entry = ENV->metacache()->resolveEntry("general", path);
+        auto entry = APPLICATION->metacache()->resolveEntry("general", path);
         entry->setStale(true);
         m_filesNetJob.reset(new NetJob(tr("Modpack download")));
         m_filesNetJob->addNetAction(Net::Download::makeCached(m_sourceUrl, entry));
@@ -60,7 +62,7 @@ void InstanceImportTask::executeTask()
         connect(job, &NetJob::succeeded, this, &InstanceImportTask::downloadSucceeded);
         connect(job, &NetJob::progress, this, &InstanceImportTask::downloadProgressChanged);
         connect(job, &NetJob::failed, this, &InstanceImportTask::downloadFailed);
-        m_filesNetJob->start();
+        m_filesNetJob->start(APPLICATION->network());
     }
 }
 
@@ -331,7 +333,7 @@ void InstanceImportTask::processFlame()
         FS::deletePath(jarmodsPath);
     }
     instance.setName(m_instName);
-    m_modIdResolver.reset(new Flame::FileResolvingTask(pack));
+    m_modIdResolver = new Flame::FileResolvingTask(APPLICATION->network(), pack);
     connect(m_modIdResolver.get(), &Flame::FileResolvingTask::succeeded, [&]()
     {
         auto results = m_modIdResolver->getResults();
@@ -389,7 +391,7 @@ void InstanceImportTask::processFlame()
             setProgress(current, total);
         });
         setStatus(tr("Downloading mods..."));
-        m_filesNetJob->start();
+        m_filesNetJob->start(APPLICATION->network());
     }
     );
     connect(m_modIdResolver.get(), &Flame::FileResolvingTask::failed, [&](QString reason)
@@ -418,7 +420,6 @@ void InstanceImportTask::processTechnic()
 
 void InstanceImportTask::processMultiMC()
 {
-    // FIXME: copy from FolderInstanceProvider!!! FIX IT!!!
     QString configPath = FS::PathCombine(m_stagingPath, "instance.cfg");
     auto instanceSettings = std::make_shared<INISettingsObject>(configPath);
     instanceSettings->registerSetting("InstanceType", "Legacy");
@@ -444,7 +445,7 @@ void InstanceImportTask::processMultiMC()
         if (!importIconPath.isNull() && QFile::exists(importIconPath))
         {
             // import icon
-            auto iconList = ENV->icons();
+            auto iconList = APPLICATION->icons();
             if (iconList->iconFileExists(m_instIcon))
             {
                 iconList->deleteIcon(m_instIcon);
diff --git a/launcher/InstanceImportTask.h b/launcher/InstanceImportTask.h
index 72ae6851..a1990647 100644
--- a/launcher/InstanceImportTask.h
+++ b/launcher/InstanceImportTask.h
@@ -55,7 +55,7 @@ private slots:
     void extractAborted();
 
 private: /* data */
-    NetJobPtr m_filesNetJob;
+    NetJob::Ptr m_filesNetJob;
     shared_qobject_ptr<Flame::FileResolvingTask> m_modIdResolver;
     QUrl m_sourceUrl;
     QString m_archivePath;
diff --git a/launcher/InstancePageProvider.h b/launcher/InstancePageProvider.h
index d45b3f2e..555c07ed 100644
--- a/launcher/InstancePageProvider.h
+++ b/launcher/InstancePageProvider.h
@@ -19,8 +19,6 @@
 #include "pages/instance/ServersPage.h"
 #include "pages/instance/GameOptionsPage.h"
 
-#include "Env.h"
-
 class InstancePageProvider : public QObject, public BasePageProvider
 {
     Q_OBJECT
diff --git a/launcher/MainWindow.cpp b/launcher/MainWindow.cpp
index f50f092e..cb02d9e0 100644
--- a/launcher/MainWindow.cpp
+++ b/launcher/MainWindow.cpp
@@ -47,7 +47,6 @@
 #include <QtWidgets/QShortcut>
 
 #include <BaseInstance.h>
-#include <Env.h>
 #include <InstanceList.h>
 #include <MMCZip.h>
 #include <icons/IconList.h>
@@ -681,7 +680,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new MainWindow
 
     // Add the news label to the news toolbar.
     {
-        m_newsChecker.reset(new NewsChecker(BuildConfig.NEWS_RSS_URL));
+        m_newsChecker.reset(new NewsChecker(APPLICATION->network(), BuildConfig.NEWS_RSS_URL));
         newsLabel = new QToolButton();
         newsLabel->setIcon(APPLICATION->getThemedIcon("news"));
         newsLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
@@ -876,7 +875,6 @@ QMenu * MainWindow::createPopupMenu()
 
 void MainWindow::konamiTriggered()
 {
-    // ENV->enableFeature("NewModsPage");
     qDebug() << "Super Secret Mode ACTIVATED!";
 }
 
@@ -1280,7 +1278,7 @@ void MainWindow::downloadUpdates(GoUpdate::Status status)
     {
         CustomMessageBox::selectable(this, tr("Error"), tr("Couldn't create folder for update downloads:\n%1").arg(dlPath), QMessageBox::Warning)->show();
     }
-    GoUpdate::DownloadTask updateTask(status, dlPath, &updateDlg);
+    GoUpdate::DownloadTask updateTask(APPLICATION->network(), status, dlPath, &updateDlg);
     // If the task succeeds, install the updates.
     if (updateDlg.execWithTask(&updateTask))
     {
diff --git a/launcher/SkinUtils.cpp b/launcher/SkinUtils.cpp
index 159116d8..1fe0c896 100644
--- a/launcher/SkinUtils.cpp
+++ b/launcher/SkinUtils.cpp
@@ -15,7 +15,7 @@
 
 #include "SkinUtils.h"
 #include "net/HttpMetaCache.h"
-#include "Env.h"
+#include "Application.h"
 
 #include <QFile>
 #include <QPainter>
@@ -30,7 +30,7 @@ namespace SkinUtils
  */
 QPixmap getFaceFromCache(QString username, int height, int width)
 {
-    QFile fskin(ENV->metacache()->resolveEntry("skins", username + ".png")->getFullPath());
+    QFile fskin(APPLICATION->metacache()->resolveEntry("skins", username + ".png")->getFullPath());
 
     if (fskin.exists())
     {
diff --git a/launcher/dialogs/AboutDialog.cpp b/launcher/dialogs/AboutDialog.cpp
index 6921bf63..4f2e73e0 100644
--- a/launcher/dialogs/AboutDialog.cpp
+++ b/launcher/dialogs/AboutDialog.cpp
@@ -136,7 +136,7 @@ void AboutDialog::loadPatronList()
     netJob.reset(new NetJob("Patreon Patron List"));
     netJob->addNetAction(Net::Download::makeByteArray(QUrl("https://files.multimc.org/patrons.txt"), &dataSink));
     connect(netJob.get(), &NetJob::succeeded, this, &AboutDialog::patronListLoaded);
-    netJob->start();
+    netJob->start(APPLICATION->network());
 }
 
 void AboutDialog::patronListLoaded()
diff --git a/launcher/dialogs/AboutDialog.h b/launcher/dialogs/AboutDialog.h
index c7621c37..cc4b8850 100644
--- a/launcher/dialogs/AboutDialog.h
+++ b/launcher/dialogs/AboutDialog.h
@@ -42,6 +42,6 @@ slots:
 private:
     Ui::AboutDialog *ui;
 
-    NetJobPtr netJob;
+    NetJob::Ptr netJob;
     QByteArray dataSink;
 };
diff --git a/launcher/dialogs/UpdateDialog.cpp b/launcher/dialogs/UpdateDialog.cpp
index f3701546..4a6a1fdd 100644
--- a/launcher/dialogs/UpdateDialog.cpp
+++ b/launcher/dialogs/UpdateDialog.cpp
@@ -49,7 +49,7 @@ void UpdateDialog::loadChangelog()
     dljob->addNetAction(Net::Download::makeByteArray(QUrl(url), &changelogData));
     connect(dljob.get(), &NetJob::succeeded, this, &UpdateDialog::changelogLoaded);
     connect(dljob.get(), &NetJob::failed, this, &UpdateDialog::changelogFailed);
-    dljob->start();
+    dljob->start(APPLICATION->network());
 }
 
 QString reprocessMarkdown(QByteArray markdown)
diff --git a/launcher/dialogs/UpdateDialog.h b/launcher/dialogs/UpdateDialog.h
index ae1799c3..07cbe09f 100644
--- a/launcher/dialogs/UpdateDialog.h
+++ b/launcher/dialogs/UpdateDialog.h
@@ -62,6 +62,6 @@ protected:
 private:
     Ui::UpdateDialog *ui;
     QByteArray changelogData;
-    NetJobPtr dljob;
+    NetJob::Ptr dljob;
     ChangelogType m_changelogType = CHANGELOG_MARKDOWN;
 };
diff --git a/launcher/icons/IIconList.cpp b/launcher/icons/IIconList.cpp
deleted file mode 100644
index b3a8fb43..00000000
--- a/launcher/icons/IIconList.cpp
+++ /dev/null
@@ -1,7 +0,0 @@
-#include "IIconList.h"
-
-// blargh
-IIconList::~IIconList()
-{
-}
-
diff --git a/launcher/icons/IIconList.h b/launcher/icons/IIconList.h
deleted file mode 100644
index 15d7dd15..00000000
--- a/launcher/icons/IIconList.h
+++ /dev/null
@@ -1,25 +0,0 @@
-#pragma once
-
-#include <QString>
-#include <QStringList>
-
-enum IconType : unsigned
-{
-    Builtin,
-    Transient,
-    FileBased,
-    ICONS_TOTAL,
-    ToBeDeleted
-};
-
-class IIconList
-{
-public:
-    virtual ~IIconList();
-    virtual bool addIcon(const QString &key, const QString &name, const QString &path, const IconType type) = 0;
-    virtual bool deleteIcon(const QString &key) = 0;
-    virtual void saveIcon(const QString &key, const QString &path, const char * format) const = 0;
-    virtual bool iconFileExists(const QString &key) const = 0;
-    virtual void installIcons(const QStringList &iconFiles) = 0;
-    virtual void installIcon(const QString &file, const QString &name) = 0;
-};
diff --git a/launcher/icons/IconList.h b/launcher/icons/IconList.h
index 70266ebb..ebbb52e2 100644
--- a/launcher/icons/IconList.h
+++ b/launcher/icons/IconList.h
@@ -21,14 +21,15 @@
 #include <QDir>
 #include <QtGui/QIcon>
 #include <memory>
+
 #include "MMCIcon.h"
 #include "settings/Setting.h"
-#include "Env.h" // there is a global icon list inside Env.
-#include <icons/IIconList.h>
+
+#include "QObjectPtr.h"
 
 class QFileSystemWatcher;
 
-class IconList : public QAbstractListModel, public IIconList
+class IconList : public QAbstractListModel
 {
     Q_OBJECT
 public:
@@ -42,19 +43,19 @@ public:
     virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     virtual int rowCount(const QModelIndex &parent = QModelIndex()) const override;
 
-    bool addThemeIcon(const QString &key);
-    bool addIcon(const QString &key, const QString &name, const QString &path, const IconType type) override;
-    void saveIcon(const QString &key, const QString &path, const char * format) const override;
-    bool deleteIcon(const QString &key) override;
-    bool iconFileExists(const QString &key) const override;
-
     virtual QStringList mimeTypes() const override;
     virtual Qt::DropActions supportedDropActions() const override;
     virtual bool dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &parent) override;
     virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
 
-    void installIcons(const QStringList &iconFiles) override;
-    void installIcon(const QString &file, const QString &name) override;
+    bool addThemeIcon(const QString &key);
+    bool addIcon(const QString &key, const QString &name, const QString &path, const IconType type);
+    void saveIcon(const QString &key, const QString &path, const char * format) const;
+    bool deleteIcon(const QString &key);
+    bool iconFileExists(const QString &key) const;
+
+    void installIcons(const QStringList &iconFiles);
+    void installIcon(const QString &file, const QString &name);
 
     const MMCIcon * icon(const QString &key) const;
 
diff --git a/launcher/icons/MMCIcon.h b/launcher/icons/MMCIcon.h
index 1f05f28e..13d99318 100644
--- a/launcher/icons/MMCIcon.h
+++ b/launcher/icons/MMCIcon.h
@@ -17,7 +17,15 @@
 #include <QString>
 #include <QDateTime>
 #include <QIcon>
-#include <icons/IIconList.h>
+
+enum IconType : unsigned
+{
+    Builtin,
+    Transient,
+    FileBased,
+    ICONS_TOTAL,
+    ToBeDeleted
+};
 
 struct MMCImage
 {
diff --git a/launcher/java/JavaChecker.cpp b/launcher/java/JavaChecker.cpp
index 6d73ebfb..80c599cc 100644
--- a/launcher/java/JavaChecker.cpp
+++ b/launcher/java/JavaChecker.cpp
@@ -1,14 +1,14 @@
 #include "JavaChecker.h"
-#include "JavaUtils.h"
-#include <FileSystem.h>
-#include <Commandline.h>
+
 #include <QFile>
 #include <QProcess>
 #include <QMap>
-#include <QCoreApplication>
 #include <QDebug>
 
-#include "Env.h"
+#include "JavaUtils.h"
+#include "FileSystem.h"
+#include "Commandline.h"
+#include "Application.h"
 
 JavaChecker::JavaChecker(QObject *parent) : QObject(parent)
 {
@@ -16,7 +16,7 @@ JavaChecker::JavaChecker(QObject *parent) : QObject(parent)
 
 void JavaChecker::performCheck()
 {
-    QString checkerJar = FS::PathCombine(ENV->getJarsPath(), "JavaCheck.jar");
+    QString checkerJar = FS::PathCombine(APPLICATION->getJarsPath(), "JavaCheck.jar");
 
     QStringList args;
 
diff --git a/launcher/meta/BaseEntity.cpp b/launcher/meta/BaseEntity.cpp
index 1618c999..9aa4a3dd 100644
--- a/launcher/meta/BaseEntity.cpp
+++ b/launcher/meta/BaseEntity.cpp
@@ -15,16 +15,13 @@
 
 #include "BaseEntity.h"
 
-#include "Json.h"
-
 #include "net/Download.h"
 #include "net/HttpMetaCache.h"
 #include "net/NetJob.h"
-
-#include "Env.h"
 #include "Json.h"
 
 #include "BuildConfig.h"
+#include "Application.h"
 
 class ParsingValidator : public Net::Validator
 {
@@ -120,9 +117,9 @@ void Meta::BaseEntity::load(Net::Mode loadType)
     {
         return;
     }
-    NetJob *job = new NetJob(QObject::tr("Download of meta file %1").arg(localFilename()));
+    m_updateTask = new NetJob(QObject::tr("Download of meta file %1").arg(localFilename()));
     auto url = this->url();
-    auto entry = ENV->metacache()->resolveEntry("meta", localFilename());
+    auto entry = APPLICATION->metacache()->resolveEntry("meta", localFilename());
     entry->setStale(true);
     auto dl = Net::Download::makeCached(url, entry);
     /*
@@ -130,21 +127,20 @@ void Meta::BaseEntity::load(Net::Mode loadType)
      * If that fails, the file is not written to storage.
      */
     dl->addValidator(new ParsingValidator(this));
-    job->addNetAction(dl);
+    m_updateTask->addNetAction(dl);
     m_updateStatus = UpdateStatus::InProgress;
-    m_updateTask.reset(job);
-    QObject::connect(job, &NetJob::succeeded, [&]()
+    QObject::connect(m_updateTask.get(), &NetJob::succeeded, [&]()
     {
         m_loadStatus = LoadStatus::Remote;
         m_updateStatus = UpdateStatus::Succeeded;
         m_updateTask.reset();
     });
-    QObject::connect(job, &NetJob::failed, [&]()
+    QObject::connect(m_updateTask.get(), &NetJob::failed, [&]()
     {
         m_updateStatus = UpdateStatus::Failed;
         m_updateTask.reset();
     });
-    m_updateTask->start();
+    m_updateTask->start(APPLICATION->network());
 }
 
 bool Meta::BaseEntity::isLoaded() const
diff --git a/launcher/meta/BaseEntity.h b/launcher/meta/BaseEntity.h
index eff43879..75fa384a 100644
--- a/launcher/meta/BaseEntity.h
+++ b/launcher/meta/BaseEntity.h
@@ -20,8 +20,8 @@
 #include "QObjectPtr.h"
 
 #include "net/Mode.h"
+#include "net/NetJob.h"
 
-class Task;
 namespace Meta
 {
 class BaseEntity
@@ -54,7 +54,7 @@ public:
     bool shouldStartRemoteUpdate() const;
 
     void load(Net::Mode loadType);
-    shared_qobject_ptr<Task> getCurrentTask();
+    Task::Ptr getCurrentTask();
 
 protected: /* methods */
     bool loadLocalFile();
@@ -62,6 +62,6 @@ protected: /* methods */
 private:
     LoadStatus m_loadStatus = LoadStatus::NotLoaded;
     UpdateStatus m_updateStatus = UpdateStatus::NotDone;
-    shared_qobject_ptr<Task> m_updateTask;
+    NetJob::Ptr m_updateTask;
 };
 }
diff --git a/launcher/meta/Index_test.cpp b/launcher/meta/Index_test.cpp
index d5d477e8..5d3ddc50 100644
--- a/launcher/meta/Index_test.cpp
+++ b/launcher/meta/Index_test.cpp
@@ -3,19 +3,12 @@
 
 #include "meta/Index.h"
 #include "meta/VersionList.h"
-#include "Env.h"
 
 class IndexTest : public QObject
 {
     Q_OBJECT
 private
 slots:
-    void test_isProvidedByEnv()
-    {
-        QVERIFY(ENV->metadataIndex());
-        QCOMPARE(ENV->metadataIndex(), ENV->metadataIndex());
-    }
-
     void test_hasUid_and_getList()
     {
         Meta::Index windex({std::make_shared<Meta::VersionList>("list1"), std::make_shared<Meta::VersionList>("list2"), std::make_shared<Meta::VersionList>("list3")});
diff --git a/launcher/minecraft/AssetsUtils.cpp b/launcher/minecraft/AssetsUtils.cpp
index c01733b6..1c65a212 100644
--- a/launcher/minecraft/AssetsUtils.cpp
+++ b/launcher/minecraft/AssetsUtils.cpp
@@ -284,7 +284,7 @@ bool reconstructAssets(QString assetsId, QString resourcesFolder)
 
 }
 
-NetActionPtr AssetObject::getDownloadAction()
+NetAction::Ptr AssetObject::getDownloadAction()
 {
     QFileInfo objectFile(getLocalPath());
     if ((!objectFile.isFile()) || (objectFile.size() != size))
@@ -316,7 +316,7 @@ QString AssetObject::getRelPath()
     return hash.left(2) + "/" + hash;
 }
 
-NetJobPtr AssetsIndex::getDownloadJob()
+NetJob::Ptr AssetsIndex::getDownloadJob()
 {
     auto job = new NetJob(QObject::tr("Assets for %1").arg(id));
     for (auto &object : objects.values())
diff --git a/launcher/minecraft/AssetsUtils.h b/launcher/minecraft/AssetsUtils.h
index 32e57060..3dbf19ed 100644
--- a/launcher/minecraft/AssetsUtils.h
+++ b/launcher/minecraft/AssetsUtils.h
@@ -25,7 +25,7 @@ struct AssetObject
     QString getRelPath();
     QUrl getUrl();
     QString getLocalPath();
-    NetActionPtr getDownloadAction();
+    NetAction::Ptr getDownloadAction();
 
     QString hash;
     qint64 size;
@@ -33,7 +33,7 @@ struct AssetObject
 
 struct AssetsIndex
 {
-    NetJobPtr getDownloadJob();
+    NetJob::Ptr getDownloadJob();
 
     QString id;
     QMap<QString, AssetObject> objects;
diff --git a/launcher/minecraft/Component.cpp b/launcher/minecraft/Component.cpp
index 385688d4..c7dd5e36 100644
--- a/launcher/minecraft/Component.cpp
+++ b/launcher/minecraft/Component.cpp
@@ -1,14 +1,16 @@
 #include <meta/VersionList.h>
 #include <meta/Index.h>
-#include <Env.h>
 #include "Component.h"
 
+#include <QSaveFile>
+
 #include "meta/Version.h"
 #include "VersionFile.h"
 #include "minecraft/PackProfile.h"
-#include <FileSystem.h>
-#include <QSaveFile>
+#include "FileSystem.h"
 #include "OneSixVersionFormat.h"
+#include "Application.h"
+
 #include <assert.h>
 
 Component::Component(PackProfile * parent, const QString& uid)
@@ -85,9 +87,9 @@ std::shared_ptr<class VersionFile> Component::getVersionFile() const
 std::shared_ptr<class Meta::VersionList> Component::getVersionList() const
 {
     // FIXME: what if the metadata index isn't loaded yet?
-    if(ENV->metadataIndex()->hasUid(m_uid))
+    if(APPLICATION->metadataIndex()->hasUid(m_uid))
     {
-        return ENV->metadataIndex()->get(m_uid);
+        return APPLICATION->metadataIndex()->get(m_uid);
     }
     return nullptr;
 }
@@ -192,7 +194,7 @@ bool Component::isRevertible()
 {
     if (isCustom())
     {
-        if(ENV->metadataIndex()->hasUid(m_uid))
+        if(APPLICATION->metadataIndex()->hasUid(m_uid))
         {
             return true;
         }
@@ -266,7 +268,7 @@ void Component::setVersion(const QString& version)
             // we don't have a file, therefore we are loaded with metadata
             m_cachedVersion = version;
             // see if the meta version is loaded
-            auto metaVersion = ENV->metadataIndex()->get(m_uid, version);
+            auto metaVersion = APPLICATION->metadataIndex()->get(m_uid, version);
             if(metaVersion->isLoaded())
             {
                 // if yes, we can continue with that.
@@ -350,7 +352,7 @@ bool Component::revert()
         m_file.reset();
 
         // check local cache for metadata...
-        auto version = ENV->metadataIndex()->get(m_uid, m_version);
+        auto version = APPLICATION->metadataIndex()->get(m_uid, m_version);
         if(version->isLoaded())
         {
             m_metaVersion = version;
diff --git a/launcher/minecraft/ComponentUpdateTask.cpp b/launcher/minecraft/ComponentUpdateTask.cpp
index 92ba1640..5c52226b 100644
--- a/launcher/minecraft/ComponentUpdateTask.cpp
+++ b/launcher/minecraft/ComponentUpdateTask.cpp
@@ -3,16 +3,17 @@
 #include "PackProfile_p.h"
 #include "PackProfile.h"
 #include "Component.h"
-#include <Env.h>
-#include <meta/Index.h>
-#include <meta/VersionList.h>
-#include <meta/Version.h>
+#include "meta/Index.h"
+#include "meta/VersionList.h"
+#include "meta/Version.h"
 #include "ComponentUpdateTask_p.h"
-#include <cassert>
-#include <Version.h>
+#include "cassert"
+#include "Version.h"
 #include "net/Mode.h"
 #include "OneSixVersionFormat.h"
 
+#include "Application.h"
+
 /*
  * This is responsible for loading the components of a component list AND resolving dependency issues between them
  */
@@ -102,7 +103,7 @@ static LoadResult loadComponent(ComponentPtr component, shared_qobject_ptr<Task>
     }
     else
     {
-        auto metaVersion = ENV->metadataIndex()->get(component->m_uid, component->m_version);
+        auto metaVersion = APPLICATION->metadataIndex()->get(component->m_uid, component->m_version);
         component->m_metaVersion = metaVersion;
         if(metaVersion->isLoaded())
         {
@@ -135,7 +136,7 @@ static LoadResult loadPackProfile(ComponentPtr component, shared_qobject_ptr<Tas
     }
 
     LoadResult result = LoadResult::Failed;
-    auto metaList = ENV->metadataIndex()->get(component->m_uid);
+    auto metaList = APPLICATION->metadataIndex()->get(component->m_uid);
     if(metaList->isLoaded())
     {
         component->m_loaded = true;
@@ -154,13 +155,13 @@ static LoadResult loadPackProfile(ComponentPtr component, shared_qobject_ptr<Tas
 static LoadResult loadIndex(shared_qobject_ptr<Task>& loadTask, Net::Mode netmode)
 {
     // FIXME: DECIDE. do we want to run the update task anyway?
-    if(ENV->metadataIndex()->isLoaded())
+    if(APPLICATION->metadataIndex()->isLoaded())
     {
         qDebug() << "Index is already loaded";
         return LoadResult::LoadedLocal;
     }
-    ENV->metadataIndex()->load(netmode);
-    loadTask = ENV->metadataIndex()->getCurrentTask();
+    APPLICATION->metadataIndex()->load(netmode);
+    loadTask = APPLICATION->metadataIndex()->getCurrentTask();
     if(loadTask)
     {
         return LoadResult::RequiresRemote;
diff --git a/launcher/minecraft/Library.cpp b/launcher/minecraft/Library.cpp
index f2293679..c7982705 100644
--- a/launcher/minecraft/Library.cpp
+++ b/launcher/minecraft/Library.cpp
@@ -3,7 +3,6 @@
 
 #include <net/Download.h>
 #include <net/ChecksumValidator.h>
-#include <Env.h>
 #include <FileSystem.h>
 #include <BuildConfig.h>
 
@@ -45,14 +44,14 @@ void Library::getApplicableFiles(OpSys system, QStringList& jar, QStringList& na
     }
 }
 
-QList< std::shared_ptr< NetAction > > Library::getDownloads(
+QList<NetAction::Ptr> Library::getDownloads(
     OpSys system,
     class HttpMetaCache* cache,
     QStringList& failedLocalFiles,
     const QString & overridePath
 ) const
 {
-    QList<NetActionPtr> out;
+    QList<NetAction::Ptr> out;
     bool stale = isAlwaysStale();
     bool local = isLocal();
 
diff --git a/launcher/minecraft/Library.h b/launcher/minecraft/Library.h
index 119b4a86..41d41a8b 100644
--- a/launcher/minecraft/Library.h
+++ b/launcher/minecraft/Library.h
@@ -152,7 +152,7 @@ public: /* methods */
     bool isForge() const;
 
     // Get a list of downloads for this library
-    QList<NetActionPtr> getDownloads(OpSys system, class HttpMetaCache * cache,
+    QList<NetAction::Ptr> getDownloads(OpSys system, class HttpMetaCache * cache,
                                      QStringList & failedLocalFiles, const QString & overridePath) const;
 
 private: /* methods */
diff --git a/launcher/minecraft/Library_test.cpp b/launcher/minecraft/Library_test.cpp
index 75bb4db1..47531ad6 100644
--- a/launcher/minecraft/Library_test.cpp
+++ b/launcher/minecraft/Library_test.cpp
@@ -55,7 +55,7 @@ slots:
         auto downloads = test.getDownloads(currentSystem, cache.get(), failedFiles, QString());
         QCOMPARE(downloads.size(), 1);
         QCOMPARE(failedFiles, {});
-        NetActionPtr dl = downloads[0];
+        NetAction::Ptr dl = downloads[0];
         QCOMPARE(dl->m_url, QUrl("file://foo/bar/test/package/testname/testversion/testname-testversion.jar"));
     }
     void test_legacy_url_local_broken()
diff --git a/launcher/minecraft/MinecraftInstance.cpp b/launcher/minecraft/MinecraftInstance.cpp
index f755fa6e..ad8380c1 100644
--- a/launcher/minecraft/MinecraftInstance.cpp
+++ b/launcher/minecraft/MinecraftInstance.cpp
@@ -1,15 +1,16 @@
 #include "MinecraftInstance.h"
-#include <minecraft/launch/CreateGameFolders.h>
-#include <minecraft/launch/ExtractNatives.h>
-#include <minecraft/launch/PrintInstanceInfo.h>
-#include <settings/Setting.h>
+#include "minecraft/launch/CreateGameFolders.h"
+#include "minecraft/launch/ExtractNatives.h"
+#include "minecraft/launch/PrintInstanceInfo.h"
+#include "settings/Setting.h"
 #include "settings/SettingsObject.h"
-#include "Env.h"
-#include <MMCStrings.h>
-#include <pathmatcher/RegexpMatcher.h>
-#include <pathmatcher/MultiMatcher.h>
-#include <FileSystem.h>
-#include <java/JavaVersion.h>
+#include "Application.h"
+
+#include "MMCStrings.h"
+#include "pathmatcher/RegexpMatcher.h"
+#include "pathmatcher/MultiMatcher.h"
+#include "FileSystem.h"
+#include "java/JavaVersion.h"
 #include "MMCTime.h"
 
 #include "launch/LaunchTask.h"
@@ -18,6 +19,7 @@
 #include "launch/steps/Update.h"
 #include "launch/steps/PreLaunchCommand.h"
 #include "launch/steps/TextPrint.h"
+
 #include "minecraft/launch/LauncherPartLaunch.h"
 #include "minecraft/launch/DirectJavaLaunch.h"
 #include "minecraft/launch/ModMinecraftJar.h"
@@ -25,25 +27,27 @@
 #include "minecraft/launch/ReconstructAssets.h"
 #include "minecraft/launch/ScanModFolders.h"
 #include "minecraft/launch/VerifyJavaInstall.h"
+
 #include "java/launch/CheckJava.h"
 #include "java/JavaUtils.h"
+
 #include "meta/Index.h"
 #include "meta/VersionList.h"
 
+#include "icons/IconList.h"
+
 #include "mod/ModFolderModel.h"
 #include "mod/ResourcePackFolderModel.h"
 #include "mod/TexturePackFolderModel.h"
+
 #include "WorldList.h"
 
-#include "icons/IIconList.h"
-
-#include <QCoreApplication>
 #include "PackProfile.h"
 #include "AssetsUtils.h"
 #include "MinecraftUpdate.h"
 #include "MinecraftLoadAndCheck.h"
-#include <minecraft/gameoptions/GameOptions.h>
-#include <minecraft/update/FoldersTask.h>
+#include "minecraft/gameoptions/GameOptions.h"
+#include "minecraft/update/FoldersTask.h"
 
 #define IBUS "@im=ibus"
 
@@ -816,7 +820,7 @@ shared_qobject_ptr<LaunchTask> MinecraftInstance::createLaunchTask(AuthSessionPt
     auto process = LaunchTask::create(std::dynamic_pointer_cast<MinecraftInstance>(shared_from_this()));
     auto pptr = process.get();
 
-    ENV->icons()->saveIcon(iconKey(), FS::PathCombine(gameRoot(), "icon.png"), "PNG");
+    APPLICATION->icons()->saveIcon(iconKey(), FS::PathCombine(gameRoot(), "icon.png"), "PNG");
 
     // print a header
     {
diff --git a/launcher/minecraft/MinecraftUpdate.cpp b/launcher/minecraft/MinecraftUpdate.cpp
index 8f1565b0..32e9cbb6 100644
--- a/launcher/minecraft/MinecraftUpdate.cpp
+++ b/launcher/minecraft/MinecraftUpdate.cpp
@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 
-#include "Env.h"
 #include "MinecraftUpdate.h"
 #include "MinecraftInstance.h"
 
diff --git a/launcher/minecraft/PackProfile.cpp b/launcher/minecraft/PackProfile.cpp
index f7612719..d6a565c0 100644
--- a/launcher/minecraft/PackProfile.cpp
+++ b/launcher/minecraft/PackProfile.cpp
@@ -20,22 +20,23 @@
 #include <QJsonDocument>
 #include <QJsonArray>
 #include <QDebug>
-
-#include "Exception.h"
-#include <minecraft/OneSixVersionFormat.h>
-#include <FileSystem.h>
 #include <QSaveFile>
-#include <Env.h>
-#include <meta/Index.h>
-#include <minecraft/MinecraftInstance.h>
 #include <QUuid>
 #include <QTimer>
-#include <Json.h>
+
+#include "Exception.h"
+#include "minecraft/OneSixVersionFormat.h"
+#include "FileSystem.h"
+#include "meta/Index.h"
+#include "minecraft/MinecraftInstance.h"
+#include "Json.h"
 
 #include "PackProfile.h"
 #include "PackProfile_p.h"
 #include "ComponentUpdateTask.h"
 
+#include "Application.h"
+
 PackProfile::PackProfile(MinecraftInstance * instance)
     : QAbstractListModel()
 {
@@ -481,7 +482,7 @@ bool PackProfile::migratePreComponentConfig()
         }
         else if(!intendedVersion.isEmpty())
         {
-            auto metaVersion = ENV->metadataIndex()->get(uid, intendedVersion);
+            auto metaVersion = APPLICATION->metadataIndex()->get(uid, intendedVersion);
             component = new Component(this, metaVersion);
         }
         else
@@ -546,7 +547,7 @@ bool PackProfile::migratePreComponentConfig()
         auto patchVersion = d->getOldConfigVersion(uid);
         if(!patchVersion.isEmpty() && !loadedComponents.contains(uid))
         {
-            auto patch = new Component(this, ENV->metadataIndex()->get(uid, patchVersion));
+            auto patch = new Component(this, APPLICATION->metadataIndex()->get(uid, patchVersion));
             patch->setOrder(order);
             loadedComponents[uid] = patch;
         }
diff --git a/launcher/minecraft/auth/flows/AuthContext.cpp b/launcher/minecraft/auth/flows/AuthContext.cpp
index 32ee4cbd..34e2bea8 100644
--- a/launcher/minecraft/auth/flows/AuthContext.cpp
+++ b/launcher/minecraft/auth/flows/AuthContext.cpp
@@ -17,7 +17,6 @@
 #include "Parsers.h"
 
 #include <Application.h>
-#include <Env.h>
 
 using OAuth2 = Katabasis::OAuth2;
 using Activity = Katabasis::Activity;
@@ -58,7 +57,8 @@ void AuthContext::initMSA() {
     opts.accessTokenUrl = "https://login.microsoftonline.com/consumers/oauth2/v2.0/token";
     opts.listenerPorts = {28562, 28563, 28564, 28565, 28566};
 
-    m_oauth2 = new OAuth2(opts, m_data->msaToken, this, &ENV->network());
+    // FIXME: OAuth2 is not aware of our fancy shared pointers
+    m_oauth2 = new OAuth2(opts, m_data->msaToken, this, APPLICATION->network().get());
     m_oauth2->setGrantFlow(Katabasis::OAuth2::GrantFlowDevice);
 
     connect(m_oauth2, &OAuth2::linkingFailed, this, &AuthContext::onOAuthLinkingFailed);
diff --git a/launcher/minecraft/auth/flows/AuthRequest.cpp b/launcher/minecraft/auth/flows/AuthRequest.cpp
index 751b079d..82dba591 100644
--- a/launcher/minecraft/auth/flows/AuthRequest.cpp
+++ b/launcher/minecraft/auth/flows/AuthRequest.cpp
@@ -5,11 +5,10 @@
 #include <QBuffer>
 #include <QUrlQuery>
 
+#include "Application.h"
 #include "AuthRequest.h"
 #include "katabasis/Globals.h"
 
-#include <Env.h>
-
 AuthRequest::AuthRequest(QObject *parent): QObject(parent) {
 }
 
@@ -18,7 +17,7 @@ AuthRequest::~AuthRequest() {
 
 void AuthRequest::get(const QNetworkRequest &req, int timeout/* = 60*1000*/) {
     setup(req, QNetworkAccessManager::GetOperation);
-    reply_ = ENV->network().get(request_);
+    reply_ = APPLICATION->network()->get(request_);
     status_ = Requesting;
     timedReplies_.add(new Katabasis::Reply(reply_, timeout));
     connect(reply_, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(onRequestError(QNetworkReply::NetworkError)));
@@ -30,7 +29,7 @@ void AuthRequest::post(const QNetworkRequest &req, const QByteArray &data, int t
     setup(req, QNetworkAccessManager::PostOperation);
     data_ = data;
     status_ = Requesting;
-    reply_ = ENV->network().post(request_, data_);
+    reply_ = APPLICATION->network()->post(request_, data_);
     timedReplies_.add(new Katabasis::Reply(reply_, timeout));
     connect(reply_, SIGNAL(error(QNetworkReply::NetworkError)), this, SLOT(onRequestError(QNetworkReply::NetworkError)));
     connect(reply_, SIGNAL(finished()), this, SLOT(onRequestFinished()));
diff --git a/launcher/minecraft/auth/flows/Yggdrasil.cpp b/launcher/minecraft/auth/flows/Yggdrasil.cpp
index fc0b18bf..f5622418 100644
--- a/launcher/minecraft/auth/flows/Yggdrasil.cpp
+++ b/launcher/minecraft/auth/flows/Yggdrasil.cpp
@@ -22,10 +22,9 @@
 #include <QJsonDocument>
 #include <QNetworkReply>
 #include <QByteArray>
-
 #include <QDebug>
 
-#include <Env.h>
+#include "Application.h"
 
 Yggdrasil::Yggdrasil(AccountData *data, QObject *parent)
     : AccountTask(data, parent)
@@ -38,7 +37,7 @@ void Yggdrasil::sendRequest(QUrl endpoint, QByteArray content) {
 
     QNetworkRequest netRequest(endpoint);
     netRequest.setHeader(QNetworkRequest::ContentTypeHeader, "application/json");
-    m_netReply = ENV->network().post(netRequest, content);
+    m_netReply = APPLICATION->network()->post(netRequest, content);
     connect(m_netReply, &QNetworkReply::finished, this, &Yggdrasil::processReply);
     connect(m_netReply, &QNetworkReply::uploadProgress, this, &Yggdrasil::refreshTimers);
     connect(m_netReply, &QNetworkReply::downloadProgress, this, &Yggdrasil::refreshTimers);
diff --git a/launcher/minecraft/launch/LauncherPartLaunch.cpp b/launcher/minecraft/launch/LauncherPartLaunch.cpp
index 190bbbbf..8fd11eca 100644
--- a/launcher/minecraft/launch/LauncherPartLaunch.cpp
+++ b/launcher/minecraft/launch/LauncherPartLaunch.cpp
@@ -14,13 +14,14 @@
  */
 
 #include "LauncherPartLaunch.h"
-#include <QCoreApplication>
-#include <launch/LaunchTask.h>
-#include <minecraft/MinecraftInstance.h>
-#include <FileSystem.h>
-#include <Commandline.h>
+
 #include <QStandardPaths>
-#include "Env.h"
+
+#include "launch/LaunchTask.h"
+#include "minecraft/MinecraftInstance.h"
+#include "FileSystem.h"
+#include "Commandline.h"
+#include "Application.h"
 
 LauncherPartLaunch::LauncherPartLaunch(LaunchTask *parent) : LaunchStep(parent)
 {
@@ -72,7 +73,7 @@ void LauncherPartLaunch::executeTask()
     m_process.setDetachable(true);
 
     auto classPath = minecraftInstance->getClassPath();
-    classPath.prepend(FS::PathCombine(ENV->getJarsPath(), "NewLaunch.jar"));
+    classPath.prepend(FS::PathCombine(APPLICATION->getJarsPath(), "NewLaunch.jar"));
 
     auto natPath = minecraftInstance->getNativePath();
 #ifdef Q_OS_WIN
diff --git a/launcher/minecraft/services/CapeChange.cpp b/launcher/minecraft/services/CapeChange.cpp
index 43da74fb..e24818ad 100644
--- a/launcher/minecraft/services/CapeChange.cpp
+++ b/launcher/minecraft/services/CapeChange.cpp
@@ -1,7 +1,9 @@
 #include "CapeChange.h"
+
 #include <QNetworkRequest>
 #include <QHttpMultiPart>
-#include <Env.h>
+
+#include "Application.h"
 
 CapeChange::CapeChange(QObject *parent, AuthSessionPtr session, QString cape)
     : Task(parent), m_capeId(cape), m_session(session)
@@ -12,7 +14,7 @@ void CapeChange::setCape(QString& cape) {
     QNetworkRequest request(QUrl("https://api.minecraftservices.com/minecraft/profile/capes/active"));
     auto requestString = QString("{\"capeId\":\"%1\"}").arg(m_capeId);
     request.setRawHeader("Authorization", QString("Bearer %1").arg(m_session->access_token).toLocal8Bit());
-    QNetworkReply *rep = ENV->network().put(request, requestString.toUtf8());
+    QNetworkReply *rep = APPLICATION->network()->put(request, requestString.toUtf8());
 
     setStatus(tr("Equipping cape"));
 
@@ -26,7 +28,7 @@ void CapeChange::clearCape() {
     QNetworkRequest request(QUrl("https://api.minecraftservices.com/minecraft/profile/capes/active"));
     auto requestString = QString("{\"capeId\":\"%1\"}").arg(m_capeId);
     request.setRawHeader("Authorization", QString("Bearer %1").arg(m_session->access_token).toLocal8Bit());
-    QNetworkReply *rep = ENV->network().deleteResource(request);
+    QNetworkReply *rep = APPLICATION->network()->deleteResource(request);
 
     setStatus(tr("Removing cape"));
 
diff --git a/launcher/minecraft/services/SkinDelete.cpp b/launcher/minecraft/services/SkinDelete.cpp
index 4675b01a..7638ca1c 100644
--- a/launcher/minecraft/services/SkinDelete.cpp
+++ b/launcher/minecraft/services/SkinDelete.cpp
@@ -1,7 +1,9 @@
 #include "SkinDelete.h"
+
 #include <QNetworkRequest>
 #include <QHttpMultiPart>
-#include <Env.h>
+
+#include "Application.h"
 
 SkinDelete::SkinDelete(QObject *parent, AuthSessionPtr session)
     : Task(parent), m_session(session)
@@ -12,7 +14,7 @@ void SkinDelete::executeTask()
 {
     QNetworkRequest request(QUrl("https://api.minecraftservices.com/minecraft/profile/skins/active"));
     request.setRawHeader("Authorization", QString("Bearer %1").arg(m_session->access_token).toLocal8Bit());
-    QNetworkReply *rep = ENV->network().deleteResource(request);
+    QNetworkReply *rep = APPLICATION->network()->deleteResource(request);
     m_reply = std::shared_ptr<QNetworkReply>(rep);
 
     setStatus(tr("Deleting skin"));
diff --git a/launcher/minecraft/services/SkinUpload.cpp b/launcher/minecraft/services/SkinUpload.cpp
index e54f2327..d2d234bf 100644
--- a/launcher/minecraft/services/SkinUpload.cpp
+++ b/launcher/minecraft/services/SkinUpload.cpp
@@ -1,7 +1,9 @@
 #include "SkinUpload.h"
+
 #include <QNetworkRequest>
 #include <QHttpMultiPart>
-#include <Env.h>
+
+#include "Application.h"
 
 QByteArray getVariant(SkinUpload::Model model) {
     switch (model) {
@@ -37,7 +39,7 @@ void SkinUpload::executeTask()
     multiPart->append(skin);
     multiPart->append(model);
 
-    QNetworkReply *rep = ENV->network().post(request, multiPart);
+    QNetworkReply *rep = APPLICATION->network()->post(request, multiPart);
     m_reply = std::shared_ptr<QNetworkReply>(rep);
 
     setStatus(tr("Uploading skin"));
diff --git a/launcher/minecraft/update/AssetUpdateTask.cpp b/launcher/minecraft/update/AssetUpdateTask.cpp
index c8dcdc53..096e1719 100644
--- a/launcher/minecraft/update/AssetUpdateTask.cpp
+++ b/launcher/minecraft/update/AssetUpdateTask.cpp
@@ -1,10 +1,12 @@
-#include "Env.h"
 #include "AssetUpdateTask.h"
+
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
 #include "net/ChecksumValidator.h"
 #include "minecraft/AssetsUtils.h"
 
+#include "Application.h"
+
 AssetUpdateTask::AssetUpdateTask(MinecraftInstance * inst)
 {
     m_inst = inst;
@@ -24,7 +26,7 @@ void AssetUpdateTask::executeTask()
     QString localPath = assets->id + ".json";
     auto job = new NetJob(tr("Asset index for %1").arg(m_inst->name()));
 
-    auto metacache = ENV->metacache();
+    auto metacache = APPLICATION->metacache();
     auto entry = metacache->resolveEntry("asset_indexes", localPath);
     entry->setStale(true);
     auto hexSha1 = assets->sha1.toLatin1();
@@ -41,7 +43,7 @@ void AssetUpdateTask::executeTask()
     connect(downloadJob.get(), &NetJob::progress, this, &AssetUpdateTask::progress);
 
     qDebug() << m_inst->name() << ": Starting asset index download";
-    downloadJob->start();
+    downloadJob->start(APPLICATION->network());
 }
 
 bool AssetUpdateTask::canAbort() const
@@ -62,7 +64,7 @@ void AssetUpdateTask::assetIndexFinished()
     // FIXME: this looks like a job for a generic validator based on json schema?
     if (!AssetsUtils::loadAssetsIndexJson(assets->id, asset_fname, index))
     {
-        auto metacache = ENV->metacache();
+        auto metacache = APPLICATION->metacache();
         auto entry = metacache->resolveEntry("asset_indexes", assets->id + ".json");
         metacache->evictEntry(entry);
         emitFailed(tr("Failed to read the assets index!"));
@@ -76,7 +78,7 @@ void AssetUpdateTask::assetIndexFinished()
         connect(downloadJob.get(), &NetJob::succeeded, this, &AssetUpdateTask::emitSucceeded);
         connect(downloadJob.get(), &NetJob::failed, this, &AssetUpdateTask::assetsFailed);
         connect(downloadJob.get(), &NetJob::progress, this, &AssetUpdateTask::progress);
-        downloadJob->start();
+        downloadJob->start(APPLICATION->network());
         return;
     }
     emitSucceeded();
diff --git a/launcher/minecraft/update/AssetUpdateTask.h b/launcher/minecraft/update/AssetUpdateTask.h
index fdfa8f1c..6d7356f3 100644
--- a/launcher/minecraft/update/AssetUpdateTask.h
+++ b/launcher/minecraft/update/AssetUpdateTask.h
@@ -24,5 +24,5 @@ public slots:
 
 private:
     MinecraftInstance *m_inst;
-    NetJobPtr downloadJob;
+    NetJob::Ptr downloadJob;
 };
diff --git a/launcher/minecraft/update/FMLLibrariesTask.cpp b/launcher/minecraft/update/FMLLibrariesTask.cpp
index e7efb369..a5c6b1e3 100644
--- a/launcher/minecraft/update/FMLLibrariesTask.cpp
+++ b/launcher/minecraft/update/FMLLibrariesTask.cpp
@@ -1,10 +1,12 @@
-#include "Env.h"
-#include <FileSystem.h>
-#include <minecraft/VersionFilterData.h>
 #include "FMLLibrariesTask.h"
+
+#include "FileSystem.h"
+#include "minecraft/VersionFilterData.h"
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
+
 #include "BuildConfig.h"
+#include "Application.h"
 
 FMLLibrariesTask::FMLLibrariesTask(MinecraftInstance * inst)
 {
@@ -60,7 +62,7 @@ void FMLLibrariesTask::executeTask()
     // download missing libs to our place
     setStatus(tr("Downloading FML libraries..."));
     auto dljob = new NetJob("FML libraries");
-    auto metacache = ENV->metacache();
+    auto metacache = APPLICATION->metacache();
     for (auto &lib : fmlLibsToProcess)
     {
         auto entry = metacache->resolveEntry("fmllibs", lib.filename);
@@ -72,7 +74,7 @@ void FMLLibrariesTask::executeTask()
     connect(dljob, &NetJob::failed, this, &FMLLibrariesTask::fmllibsFailed);
     connect(dljob, &NetJob::progress, this, &FMLLibrariesTask::progress);
     downloadJob.reset(dljob);
-    downloadJob->start();
+    downloadJob->start(APPLICATION->network());
 }
 
 bool FMLLibrariesTask::canAbort() const
@@ -87,7 +89,7 @@ void FMLLibrariesTask::fmllibsFinished()
     {
         setStatus(tr("Copying FML libraries into the instance..."));
         MinecraftInstance *inst = (MinecraftInstance *)m_inst;
-        auto metacache = ENV->metacache();
+        auto metacache = APPLICATION->metacache();
         int index = 0;
         for (auto &lib : fmlLibsToProcess)
         {
diff --git a/launcher/minecraft/update/FMLLibrariesTask.h b/launcher/minecraft/update/FMLLibrariesTask.h
index a1e70ed4..2e5ad83a 100644
--- a/launcher/minecraft/update/FMLLibrariesTask.h
+++ b/launcher/minecraft/update/FMLLibrariesTask.h
@@ -25,7 +25,7 @@ public slots:
 
 private:
     MinecraftInstance *m_inst;
-    NetJobPtr downloadJob;
+    NetJob::Ptr downloadJob;
     QList<FMLlib> fmlLibsToProcess;
 };
 
diff --git a/launcher/minecraft/update/LibrariesTask.cpp b/launcher/minecraft/update/LibrariesTask.cpp
index 40f0a78c..065b4e06 100644
--- a/launcher/minecraft/update/LibrariesTask.cpp
+++ b/launcher/minecraft/update/LibrariesTask.cpp
@@ -1,8 +1,10 @@
-#include "Env.h"
 #include "LibrariesTask.h"
+
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
 
+#include "Application.h"
+
 LibrariesTask::LibrariesTask(MinecraftInstance * inst)
 {
     m_inst = inst;
@@ -21,7 +23,7 @@ void LibrariesTask::executeTask()
     auto job = new NetJob(tr("Libraries for instance %1").arg(inst->name()));
     downloadJob.reset(job);
 
-    auto metacache = ENV->metacache();
+    auto metacache = APPLICATION->metacache();
 
     auto processArtifactPool = [&](const QList<LibraryPtr> & pool, QStringList & errors, const QString & localPath)
     {
@@ -63,7 +65,7 @@ void LibrariesTask::executeTask()
     connect(downloadJob.get(), &NetJob::succeeded, this, &LibrariesTask::emitSucceeded);
     connect(downloadJob.get(), &NetJob::failed, this, &LibrariesTask::jarlibFailed);
     connect(downloadJob.get(), &NetJob::progress, this, &LibrariesTask::progress);
-    downloadJob->start();
+    downloadJob->start(APPLICATION->network());
 }
 
 bool LibrariesTask::canAbort() const
diff --git a/launcher/minecraft/update/LibrariesTask.h b/launcher/minecraft/update/LibrariesTask.h
index 49f76932..b966ad6c 100644
--- a/launcher/minecraft/update/LibrariesTask.h
+++ b/launcher/minecraft/update/LibrariesTask.h
@@ -22,5 +22,5 @@ public slots:
 
 private:
     MinecraftInstance *m_inst;
-    NetJobPtr downloadJob;
+    NetJob::Ptr downloadJob;
 };
diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
index 66b592bb..9ef32db1 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.cpp
@@ -1,13 +1,13 @@
-#include <Env.h>
-#include <quazip.h>
-#include <QtConcurrent/QtConcurrent>
-#include <MMCZip.h>
-#include <minecraft/OneSixVersionFormat.h>
-#include <Version.h>
-#include <net/ChecksumValidator.h>
 #include "ATLPackInstallTask.h"
 
-#include "BuildConfig.h"
+#include <QtConcurrent/QtConcurrent>
+
+#include <quazip.h>
+
+#include "MMCZip.h"
+#include "minecraft/OneSixVersionFormat.h"
+#include "Version.h"
+#include "net/ChecksumValidator.h"
 #include "FileSystem.h"
 #include "Json.h"
 #include "minecraft/MinecraftInstance.h"
@@ -17,6 +17,9 @@
 #include "meta/Version.h"
 #include "meta/VersionList.h"
 
+#include "BuildConfig.h"
+#include "Application.h"
+
 namespace ATLauncher {
 
 PackInstallTask::PackInstallTask(UserInteractionSupport *support, QString pack, QString version)
@@ -43,7 +46,7 @@ void PackInstallTask::executeTask()
             .arg(m_pack).arg(m_version_name);
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 
     QObject::connect(netJob, &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
     QObject::connect(netJob, &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
@@ -76,7 +79,7 @@ void PackInstallTask::onDownloadSucceeded()
     }
     m_version = version;
 
-    auto vlist = ENV->metadataIndex()->get("net.minecraft");
+    auto vlist = APPLICATION->metadataIndex()->get("net.minecraft");
     if(!vlist)
     {
         emitFailed(tr("Failed to get local metadata index for %1").arg("net.minecraft"));
@@ -157,7 +160,7 @@ QString PackInstallTask::getDirForModType(ModType type, QString raw)
 QString PackInstallTask::getVersionForLoader(QString uid)
 {
     if(m_version.loader.recommended || m_version.loader.latest || m_version.loader.choose) {
-        auto vlist = ENV->metadataIndex()->get(uid);
+        auto vlist = APPLICATION->metadataIndex()->get(uid);
         if(!vlist)
         {
             emitFailed(tr("Failed to get local metadata index for %1").arg(uid));
@@ -409,7 +412,7 @@ void PackInstallTask::installConfigs()
     auto path = QString("Configs/%1/%2.zip").arg(m_pack).arg(m_version_name);
     auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "packs/%1/versions/%2/Configs.zip")
             .arg(m_pack).arg(m_version_name);
-    auto entry = ENV->metacache()->resolveEntry("ATLauncherPacks", path);
+    auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", path);
     entry->setStale(true);
 
     auto dl = Net::Download::makeCached(url, entry);
@@ -438,7 +441,7 @@ void PackInstallTask::installConfigs()
         setProgress(current, total);
     });
 
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 }
 
 void PackInstallTask::extractConfigs()
@@ -516,7 +519,7 @@ void PackInstallTask::downloadMods()
         auto cacheName = fileName.completeBaseName() + "-" + mod.md5 + "." + fileName.suffix();
 
         if (mod.type == ModType::Extract || mod.type == ModType::TexturePackExtract || mod.type == ModType::ResourcePackExtract) {
-            auto entry = ENV->metacache()->resolveEntry("ATLauncherPacks", cacheName);
+            auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", cacheName);
             entry->setStale(true);
             modsToExtract.insert(entry->getFullPath(), mod);
 
@@ -528,7 +531,7 @@ void PackInstallTask::downloadMods()
             jobPtr->addNetAction(dl);
         }
         else if(mod.type == ModType::Decomp) {
-            auto entry = ENV->metacache()->resolveEntry("ATLauncherPacks", cacheName);
+            auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", cacheName);
             entry->setStale(true);
             modsToDecomp.insert(entry->getFullPath(), mod);
 
@@ -543,7 +546,7 @@ void PackInstallTask::downloadMods()
             auto relpath = getDirForModType(mod.type, mod.type_raw);
             if(relpath == Q_NULLPTR) continue;
 
-            auto entry = ENV->metacache()->resolveEntry("ATLauncherPacks", cacheName);
+            auto entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", cacheName);
             entry->setStale(true);
 
             auto dl = Net::Download::makeCached(url, entry);
@@ -558,7 +561,7 @@ void PackInstallTask::downloadMods()
             modsToCopy[entry->getFullPath()] = path;
 
             if(mod.type == ModType::Forge) {
-                auto vlist = ENV->metadataIndex()->get("net.minecraftforge");
+                auto vlist = APPLICATION->metadataIndex()->get("net.minecraftforge");
                 if(vlist)
                 {
                     auto ver = vlist->getVersion(mod.version);
@@ -593,7 +596,7 @@ void PackInstallTask::downloadMods()
         setProgress(current, total);
     });
 
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 }
 
 void PackInstallTask::onModsDownloaded() {
diff --git a/launcher/modplatform/atlauncher/ATLPackInstallTask.h b/launcher/modplatform/atlauncher/ATLPackInstallTask.h
index 39e2b013..f8ea2d54 100644
--- a/launcher/modplatform/atlauncher/ATLPackInstallTask.h
+++ b/launcher/modplatform/atlauncher/ATLPackInstallTask.h
@@ -74,7 +74,7 @@ private:
 
     bool abortable = false;
 
-    NetJobPtr jobPtr;
+    NetJob::Ptr jobPtr;
     QByteArray response;
 
     QString m_pack;
diff --git a/launcher/modplatform/flame/FileResolvingTask.cpp b/launcher/modplatform/flame/FileResolvingTask.cpp
index 295574f0..06f0cf2b 100644
--- a/launcher/modplatform/flame/FileResolvingTask.cpp
+++ b/launcher/modplatform/flame/FileResolvingTask.cpp
@@ -5,8 +5,8 @@ namespace {
     const char * metabase = "https://cursemeta.dries007.net";
 }
 
-Flame::FileResolvingTask::FileResolvingTask(Flame::Manifest& toProcess)
-    : m_toProcess(toProcess)
+Flame::FileResolvingTask::FileResolvingTask(shared_qobject_ptr<QNetworkAccessManager> network, Flame::Manifest& toProcess)
+    : m_network(network), m_toProcess(toProcess)
 {
 }
 
@@ -14,7 +14,7 @@ void Flame::FileResolvingTask::executeTask()
 {
     setStatus(tr("Resolving mod IDs..."));
     setProgress(0, m_toProcess.files.size());
-    m_dljob.reset(new NetJob("Mod id resolver"));
+    m_dljob = new NetJob("Mod id resolver");
     results.resize(m_toProcess.files.size());
     int index = 0;
     for(auto & file: m_toProcess.files)
@@ -27,7 +27,7 @@ void Flame::FileResolvingTask::executeTask()
         index ++;
     }
     connect(m_dljob.get(), &NetJob::finished, this, &Flame::FileResolvingTask::netJobFinished);
-    m_dljob->start();
+    m_dljob->start(m_network);
 }
 
 void Flame::FileResolvingTask::netJobFinished()
diff --git a/launcher/modplatform/flame/FileResolvingTask.h b/launcher/modplatform/flame/FileResolvingTask.h
index 78a38fcb..5e5adcd7 100644
--- a/launcher/modplatform/flame/FileResolvingTask.h
+++ b/launcher/modplatform/flame/FileResolvingTask.h
@@ -10,7 +10,7 @@ class FileResolvingTask : public Task
 {
     Q_OBJECT
 public:
-    explicit FileResolvingTask(Flame::Manifest &toProcess);
+    explicit FileResolvingTask(shared_qobject_ptr<QNetworkAccessManager> network, Flame::Manifest &toProcess);
     virtual ~FileResolvingTask() {};
 
     const Flame::Manifest &getResults() const
@@ -25,8 +25,9 @@ protected slots:
     void netJobFinished();
 
 private: /* data */
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
     Flame::Manifest m_toProcess;
     QVector<QByteArray> results;
-    NetJobPtr m_dljob;
+    NetJob::Ptr m_dljob;
 };
 }
diff --git a/launcher/modplatform/legacy_ftb/PackFetchTask.cpp b/launcher/modplatform/legacy_ftb/PackFetchTask.cpp
index c2ef6436..ecf36188 100644
--- a/launcher/modplatform/legacy_ftb/PackFetchTask.cpp
+++ b/launcher/modplatform/legacy_ftb/PackFetchTask.cpp
@@ -2,7 +2,8 @@
 #include "PrivatePackManager.h"
 
 #include <QDomDocument>
-#include <BuildConfig.h>
+#include "BuildConfig.h"
+#include "Application.h"
 
 namespace LegacyFTB {
 
@@ -11,21 +12,20 @@ void PackFetchTask::fetch()
     publicPacks.clear();
     thirdPartyPacks.clear();
 
-    NetJob *netJob = new NetJob("LegacyFTB::ModpackFetch");
+    jobPtr = new NetJob("LegacyFTB::ModpackFetch");
 
     QUrl publicPacksUrl = QUrl(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/modpacks.xml");
     qDebug() << "Downloading public version info from" << publicPacksUrl.toString();
-    netJob->addNetAction(Net::Download::makeByteArray(publicPacksUrl, &publicModpacksXmlFileData));
+    jobPtr->addNetAction(Net::Download::makeByteArray(publicPacksUrl, &publicModpacksXmlFileData));
 
     QUrl thirdPartyUrl = QUrl(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/thirdparty.xml");
     qDebug() << "Downloading thirdparty version info from" << thirdPartyUrl.toString();
-    netJob->addNetAction(Net::Download::makeByteArray(thirdPartyUrl, &thirdPartyModpacksXmlFileData));
+    jobPtr->addNetAction(Net::Download::makeByteArray(thirdPartyUrl, &thirdPartyModpacksXmlFileData));
 
-    QObject::connect(netJob, &NetJob::succeeded, this, &PackFetchTask::fileDownloadFinished);
-    QObject::connect(netJob, &NetJob::failed, this, &PackFetchTask::fileDownloadFailed);
+    QObject::connect(jobPtr.get(), &NetJob::succeeded, this, &PackFetchTask::fileDownloadFinished);
+    QObject::connect(jobPtr.get(), &NetJob::failed, this, &PackFetchTask::fileDownloadFailed);
 
-    jobPtr.reset(netJob);
-    netJob->start();
+    jobPtr->start(m_network);
 }
 
 void PackFetchTask::fetchPrivate(const QStringList & toFetch)
@@ -63,7 +63,7 @@ void PackFetchTask::fetchPrivate(const QStringList & toFetch)
             delete data;
         });
 
-        job->start();
+        job->start(m_network);
     }
 }
 
diff --git a/launcher/modplatform/legacy_ftb/PackFetchTask.h b/launcher/modplatform/legacy_ftb/PackFetchTask.h
index 3ab32fab..f1667e90 100644
--- a/launcher/modplatform/legacy_ftb/PackFetchTask.h
+++ b/launcher/modplatform/legacy_ftb/PackFetchTask.h
@@ -13,14 +13,15 @@ class PackFetchTask : public QObject {
     Q_OBJECT
 
 public:
-    PackFetchTask() = default;
+    PackFetchTask(shared_qobject_ptr<QNetworkAccessManager> network) : QObject(nullptr), m_network(network) {};
     virtual ~PackFetchTask() = default;
 
     void fetch();
     void fetchPrivate(const QStringList &toFetch);
 
 private:
-    NetJobPtr jobPtr;
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
+    NetJob::Ptr jobPtr;
 
     QByteArray publicModpacksXmlFileData;
     QByteArray thirdPartyModpacksXmlFileData;
diff --git a/launcher/modplatform/legacy_ftb/PackInstallTask.cpp b/launcher/modplatform/legacy_ftb/PackInstallTask.cpp
index 70b0ab94..64aecb39 100644
--- a/launcher/modplatform/legacy_ftb/PackInstallTask.cpp
+++ b/launcher/modplatform/legacy_ftb/PackInstallTask.cpp
@@ -1,24 +1,25 @@
 #include "PackInstallTask.h"
 
-#include "Env.h"
-#include "MMCZip.h"
+#include <QtConcurrent>
 
+#include "MMCZip.h"
 #include "BaseInstance.h"
 #include "FileSystem.h"
 #include "settings/INISettingsObject.h"
 #include "minecraft/MinecraftInstance.h"
 #include "minecraft/PackProfile.h"
 #include "minecraft/GradleSpecifier.h"
-#include "BuildConfig.h"
 
-#include <QtConcurrent>
+#include "BuildConfig.h"
+#include "Application.h"
 
 namespace LegacyFTB {
 
-PackInstallTask::PackInstallTask(Modpack pack, QString version)
+PackInstallTask::PackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network, Modpack pack, QString version)
 {
     m_pack = pack;
     m_version = version;
+    m_network = network;
 }
 
 void PackInstallTask::executeTask()
@@ -31,8 +32,8 @@ void PackInstallTask::downloadPack()
     setStatus(tr("Downloading zip for %1").arg(m_pack.name));
 
     auto packoffset = QString("%1/%2/%3").arg(m_pack.dir, m_version.replace(".", "_"), m_pack.file);
-    auto entry = ENV->metacache()->resolveEntry("FTBPacks", packoffset);
-    NetJob *job = new NetJob("Download FTB Pack");
+    auto entry = APPLICATION->metacache()->resolveEntry("FTBPacks", packoffset);
+    netJobContainer = new NetJob("Download FTB Pack");
 
     entry->setStale(true);
     QString url;
@@ -44,14 +45,13 @@ void PackInstallTask::downloadPack()
     {
         url = QString(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "modpacks/%1").arg(packoffset);
     }
-    job->addNetAction(Net::Download::makeCached(url, entry));
+    netJobContainer->addNetAction(Net::Download::makeCached(url, entry));
     archivePath = entry->getFullPath();
 
-    netJobContainer.reset(job);
-    connect(job, &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
-    connect(job, &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
-    connect(job, &NetJob::progress, this, &PackInstallTask::onDownloadProgress);
-    job->start();
+    connect(netJobContainer.get(), &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
+    connect(netJobContainer.get(), &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
+    connect(netJobContainer.get(), &NetJob::progress, this, &PackInstallTask::onDownloadProgress);
+    netJobContainer->start(m_network);
 
     progress(1, 4);
 }
diff --git a/launcher/modplatform/legacy_ftb/PackInstallTask.h b/launcher/modplatform/legacy_ftb/PackInstallTask.h
index 600f72e7..305635a1 100644
--- a/launcher/modplatform/legacy_ftb/PackInstallTask.h
+++ b/launcher/modplatform/legacy_ftb/PackInstallTask.h
@@ -8,6 +8,8 @@
 #include "meta/VersionList.h"
 #include "PackHelpers.h"
 
+#include "net/NetJob.h"
+
 #include <nonstd/optional>
 
 namespace LegacyFTB {
@@ -17,7 +19,7 @@ class PackInstallTask : public InstanceTask
     Q_OBJECT
 
 public:
-    explicit PackInstallTask(Modpack pack, QString version);
+    explicit PackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network, Modpack pack, QString version);
     virtual ~PackInstallTask(){}
 
     bool canAbort() const override { return true; }
@@ -41,11 +43,12 @@ private slots:
     void onUnzipCanceled();
 
 private: /* data */
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
     bool abortable = false;
     std::unique_ptr<QuaZip> m_packZip;
     QFuture<nonstd::optional<QStringList>> m_extractFuture;
     QFutureWatcher<nonstd::optional<QStringList>> m_extractFutureWatcher;
-    NetJobPtr netJobContainer;
+    NetJob::Ptr netJobContainer;
     QString archivePath;
 
     Modpack m_pack;
diff --git a/launcher/modplatform/modpacksch/FTBPackInstallTask.cpp b/launcher/modplatform/modpacksch/FTBPackInstallTask.cpp
index 785d3dd6..563b5cfa 100644
--- a/launcher/modplatform/modpacksch/FTBPackInstallTask.cpp
+++ b/launcher/modplatform/modpacksch/FTBPackInstallTask.cpp
@@ -1,7 +1,5 @@
 #include "FTBPackInstallTask.h"
 
-#include "BuildConfig.h"
-#include "Env.h"
 #include "FileSystem.h"
 #include "Json.h"
 #include "minecraft/MinecraftInstance.h"
@@ -9,6 +7,9 @@
 #include "net/ChecksumValidator.h"
 #include "settings/INISettingsObject.h"
 
+#include "BuildConfig.h"
+#include "Application.h"
+
 namespace ModpacksCH {
 
 PackInstallTask::PackInstallTask(Modpack pack, QString version)
@@ -50,7 +51,7 @@ void PackInstallTask::executeTask()
             .arg(m_pack.id).arg(version.id);
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 
     QObject::connect(netJob, &NetJob::succeeded, this, &PackInstallTask::onDownloadSucceeded);
     QObject::connect(netJob, &NetJob::failed, this, &PackInstallTask::onDownloadFailed);
@@ -95,14 +96,14 @@ void PackInstallTask::downloadPack()
 {
     setStatus(tr("Downloading mods..."));
 
-    jobPtr.reset(new NetJob(tr("Mod download")));
+    jobPtr = new NetJob(tr("Mod download"));
     for(auto file : m_version.files) {
         if(file.serverOnly) continue;
 
         QFileInfo fileName(file.name);
         auto cacheName = fileName.completeBaseName() + "-" + file.sha1 + "." + fileName.suffix();
 
-        auto entry = ENV->metacache()->resolveEntry("ModpacksCHPacks", cacheName);
+        auto entry = APPLICATION->metacache()->resolveEntry("ModpacksCHPacks", cacheName);
         entry->setStale(true);
 
         auto relpath = FS::PathCombine("minecraft", file.path, file.name);
@@ -141,7 +142,7 @@ void PackInstallTask::downloadPack()
         setProgress(current, total);
     });
 
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 }
 
 void PackInstallTask::install()
diff --git a/launcher/modplatform/modpacksch/FTBPackInstallTask.h b/launcher/modplatform/modpacksch/FTBPackInstallTask.h
index fdd84c4e..23362dc9 100644
--- a/launcher/modplatform/modpacksch/FTBPackInstallTask.h
+++ b/launcher/modplatform/modpacksch/FTBPackInstallTask.h
@@ -32,7 +32,7 @@ private:
 private:
     bool abortable = false;
 
-    NetJobPtr jobPtr;
+    NetJob::Ptr jobPtr;
     QByteArray response;
 
     Modpack m_pack;
diff --git a/launcher/modplatform/technic/SingleZipPackInstallTask.cpp b/launcher/modplatform/technic/SingleZipPackInstallTask.cpp
index f2aa37a0..0ab9f3c0 100644
--- a/launcher/modplatform/technic/SingleZipPackInstallTask.cpp
+++ b/launcher/modplatform/technic/SingleZipPackInstallTask.cpp
@@ -15,12 +15,13 @@
 
 #include "SingleZipPackInstallTask.h"
 
-#include "Env.h"
+#include <QtConcurrent>
+
 #include "MMCZip.h"
 #include "TechnicPackProcessor.h"
+#include "FileSystem.h"
 
-#include <QtConcurrent>
-#include <FileSystem.h>
+#include "Application.h"
 
 Technic::SingleZipPackInstallTask::SingleZipPackInstallTask(const QUrl &sourceUrl, const QString &minecraftVersion)
 {
@@ -41,7 +42,7 @@ void Technic::SingleZipPackInstallTask::executeTask()
     setStatus(tr("Downloading modpack:\n%1").arg(m_sourceUrl.toString()));
 
     const QString path = m_sourceUrl.host() + '/' + m_sourceUrl.path();
-    auto entry = ENV->metacache()->resolveEntry("general", path);
+    auto entry = APPLICATION->metacache()->resolveEntry("general", path);
     entry->setStale(true);
     m_filesNetJob.reset(new NetJob(tr("Modpack download")));
     m_filesNetJob->addNetAction(Net::Download::makeCached(m_sourceUrl, entry));
@@ -50,7 +51,7 @@ void Technic::SingleZipPackInstallTask::executeTask()
     connect(job, &NetJob::succeeded, this, &Technic::SingleZipPackInstallTask::downloadSucceeded);
     connect(job, &NetJob::progress, this, &Technic::SingleZipPackInstallTask::downloadProgressChanged);
     connect(job, &NetJob::failed, this, &Technic::SingleZipPackInstallTask::downloadFailed);
-    m_filesNetJob->start();
+    m_filesNetJob->start(APPLICATION->network());
 }
 
 void Technic::SingleZipPackInstallTask::downloadSucceeded()
diff --git a/launcher/modplatform/technic/SingleZipPackInstallTask.h b/launcher/modplatform/technic/SingleZipPackInstallTask.h
index 80f10a98..74f60941 100644
--- a/launcher/modplatform/technic/SingleZipPackInstallTask.h
+++ b/launcher/modplatform/technic/SingleZipPackInstallTask.h
@@ -55,7 +55,7 @@ private:
     QUrl m_sourceUrl;
     QString m_minecraftVersion;
     QString m_archivePath;
-    NetJobPtr m_filesNetJob;
+    NetJob::Ptr m_filesNetJob;
     std::unique_ptr<QuaZip> m_packZip;
     QFuture<nonstd::optional<QStringList>> m_extractFuture;
     QFutureWatcher<nonstd::optional<QStringList>> m_extractFutureWatcher;
diff --git a/launcher/modplatform/technic/SolderPackInstallTask.cpp b/launcher/modplatform/technic/SolderPackInstallTask.cpp
index 1b4186d4..2492ee81 100644
--- a/launcher/modplatform/technic/SolderPackInstallTask.cpp
+++ b/launcher/modplatform/technic/SolderPackInstallTask.cpp
@@ -21,10 +21,14 @@
 #include <MMCZip.h>
 #include "TechnicPackProcessor.h"
 
-Technic::SolderPackInstallTask::SolderPackInstallTask(const QUrl &sourceUrl, const QString &minecraftVersion)
-{
+Technic::SolderPackInstallTask::SolderPackInstallTask(
+    shared_qobject_ptr<QNetworkAccessManager> network,
+    const QUrl &sourceUrl,
+    const QString &minecraftVersion
+) {
     m_sourceUrl = sourceUrl;
     m_minecraftVersion = minecraftVersion;
+    m_network = network;
 }
 
 bool Technic::SolderPackInstallTask::abort() {
@@ -43,7 +47,7 @@ void Technic::SolderPackInstallTask::executeTask()
     auto job = m_filesNetJob.get();
     connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::versionSucceeded);
     connect(job, &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
-    m_filesNetJob->start();
+    m_filesNetJob->start(m_network);
 }
 
 void Technic::SolderPackInstallTask::versionSucceeded()
@@ -68,7 +72,7 @@ void Technic::SolderPackInstallTask::versionSucceeded()
     auto job = m_filesNetJob.get();
     connect(job, &NetJob::succeeded, this, &Technic::SolderPackInstallTask::fileListSucceeded);
     connect(job, &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
-    m_filesNetJob->start();
+    m_filesNetJob->start(m_network);
 }
 
 void Technic::SolderPackInstallTask::fileListSucceeded()
@@ -109,7 +113,7 @@ void Technic::SolderPackInstallTask::fileListSucceeded()
     connect(m_filesNetJob.get(), &NetJob::succeeded, this, &Technic::SolderPackInstallTask::downloadSucceeded);
     connect(m_filesNetJob.get(), &NetJob::progress, this, &Technic::SolderPackInstallTask::downloadProgressChanged);
     connect(m_filesNetJob.get(), &NetJob::failed, this, &Technic::SolderPackInstallTask::downloadFailed);
-    m_filesNetJob->start();
+    m_filesNetJob->start(m_network);
 }
 
 void Technic::SolderPackInstallTask::downloadSucceeded()
diff --git a/launcher/modplatform/technic/SolderPackInstallTask.h b/launcher/modplatform/technic/SolderPackInstallTask.h
index 6e1057eb..9b2058d8 100644
--- a/launcher/modplatform/technic/SolderPackInstallTask.h
+++ b/launcher/modplatform/technic/SolderPackInstallTask.h
@@ -27,7 +27,7 @@ namespace Technic
     {
         Q_OBJECT
     public:
-        explicit SolderPackInstallTask(const QUrl &sourceUrl, const QString &minecraftVersion);
+        explicit SolderPackInstallTask(shared_qobject_ptr<QNetworkAccessManager> network, const QUrl &sourceUrl, const QString &minecraftVersion);
 
         bool canAbort() const override { return true; }
         bool abort() override;
@@ -48,7 +48,9 @@ namespace Technic
     private:
         bool m_abortable = false;
 
-        NetJobPtr m_filesNetJob;
+        shared_qobject_ptr<QNetworkAccessManager> m_network;
+
+        NetJob::Ptr m_filesNetJob;
         QUrl m_sourceUrl;
         QString m_minecraftVersion;
         QByteArray m_response;
diff --git a/launcher/net/Download.cpp b/launcher/net/Download.cpp
index 48c49dde..b314573f 100644
--- a/launcher/net/Download.cpp
+++ b/launcher/net/Download.cpp
@@ -15,16 +15,17 @@
 
 #include "Download.h"
 
-#include "BuildConfig.h"
 #include <QFileInfo>
 #include <QDateTime>
 #include <QDebug>
-#include "Env.h"
-#include <FileSystem.h>
+
+#include "FileSystem.h"
 #include "ChecksumValidator.h"
 #include "MetaCacheSink.h"
 #include "ByteArraySink.h"
 
+#include "BuildConfig.h"
+
 namespace Net {
 
 Download::Download():NetAction()
@@ -41,7 +42,7 @@ Download::Ptr Download::makeCached(QUrl url, MetaEntryPtr entry, Options options
     auto cachedNode = new MetaCacheSink(entry, md5Node);
     dl->m_sink.reset(cachedNode);
     dl->m_target_path = entry->getFullPath();
-    return std::shared_ptr<Download>(dl);
+    return dl;
 }
 
 Download::Ptr Download::makeByteArray(QUrl url, QByteArray *output, Options options)
@@ -50,7 +51,7 @@ Download::Ptr Download::makeByteArray(QUrl url, QByteArray *output, Options opti
     dl->m_url = url;
     dl->m_options = options;
     dl->m_sink.reset(new ByteArraySink(output));
-    return std::shared_ptr<Download>(dl);
+    return dl;
 }
 
 Download::Ptr Download::makeFile(QUrl url, QString path, Options options)
@@ -59,7 +60,7 @@ Download::Ptr Download::makeFile(QUrl url, QString path, Options options)
     dl->m_url = url;
     dl->m_options = options;
     dl->m_sink.reset(new FileSink(path));
-    return std::shared_ptr<Download>(dl);
+    return dl;
 }
 
 void Download::addValidator(Validator * v)
@@ -67,7 +68,7 @@ void Download::addValidator(Validator * v)
     m_sink->addValidator(v);
 }
 
-void Download::start()
+void Download::startImpl()
 {
     if(m_status == Job_Aborted)
     {
@@ -97,7 +98,7 @@ void Download::start()
 
     request.setHeader(QNetworkRequest::UserAgentHeader, BuildConfig.USER_AGENT);
 
-    QNetworkReply *rep =  ENV->network().get(request);
+    QNetworkReply *rep = m_network->get(request);
 
     m_reply.reset(rep);
     connect(rep, SIGNAL(downloadProgress(qint64, qint64)), SLOT(downloadProgress(qint64, qint64)));
@@ -207,7 +208,7 @@ bool Download::handleRedirect()
 
     m_url = QUrl(redirect.toString());
     qDebug() << "Following redirect to " << m_url.toString();
-    start();
+    start(m_network);
     return true;
 }
 
diff --git a/launcher/net/Download.h b/launcher/net/Download.h
index a224bb86..0f9bfe7f 100644
--- a/launcher/net/Download.h
+++ b/launcher/net/Download.h
@@ -20,13 +20,15 @@
 #include "Validator.h"
 #include "Sink.h"
 
+#include "QObjectPtr.h"
+
 namespace Net {
 class Download : public NetAction
 {
     Q_OBJECT
 
 public: /* types */
-    typedef std::shared_ptr<class Download> Ptr;
+    typedef shared_qobject_ptr<class Download> Ptr;
     enum class Option
     {
         NoOptions = 0,
@@ -62,7 +64,7 @@ protected slots:
     void downloadReadyRead() override;
 
 public slots:
-    void start() override;
+    void startImpl() override;
 
 private: /* data */
     // FIXME: remove this, it has no business being here.
diff --git a/launcher/net/FileSink.cpp b/launcher/net/FileSink.cpp
index 8b3e917d..7e9b8929 100644
--- a/launcher/net/FileSink.cpp
+++ b/launcher/net/FileSink.cpp
@@ -1,7 +1,6 @@
 #include "FileSink.h"
 #include <QFile>
 #include <QFileInfo>
-#include "Env.h"
 #include "FileSystem.h"
 
 namespace Net {
diff --git a/launcher/net/HttpMetaCache.cpp b/launcher/net/HttpMetaCache.cpp
index 4bc8fbc8..8734e0bf 100644
--- a/launcher/net/HttpMetaCache.cpp
+++ b/launcher/net/HttpMetaCache.cpp
@@ -13,7 +13,6 @@
  * limitations under the License.
  */
 
-#include "Env.h"
 #include "HttpMetaCache.h"
 #include "FileSystem.h"
 
diff --git a/launcher/net/MetaCacheSink.cpp b/launcher/net/MetaCacheSink.cpp
index ae9314f1..5cdf0460 100644
--- a/launcher/net/MetaCacheSink.cpp
+++ b/launcher/net/MetaCacheSink.cpp
@@ -1,8 +1,8 @@
 #include "MetaCacheSink.h"
 #include <QFile>
 #include <QFileInfo>
-#include "Env.h"
 #include "FileSystem.h"
+#include "Application.h"
 
 namespace Net {
 
@@ -53,7 +53,7 @@ JobStatus MetaCacheSink::finalizeCache(QNetworkReply & reply)
     }
     m_entry->setLocalChangedTimestamp(output_file_info.lastModified().toUTC().toMSecsSinceEpoch());
     m_entry->setStale(false);
-    ENV->metacache()->updateEntry(m_entry);
+    APPLICATION->metacache()->updateEntry(m_entry);
     return Job_Finished;
 }
 
diff --git a/launcher/net/NetAction.h b/launcher/net/NetAction.h
index c13c187f..efb20953 100644
--- a/launcher/net/NetAction.h
+++ b/launcher/net/NetAction.h
@@ -35,14 +35,15 @@ enum JobStatus
     Job_Failed_Proceed
 };
 
-typedef std::shared_ptr<class NetAction> NetActionPtr;
 class NetAction : public QObject
 {
     Q_OBJECT
 protected:
-    explicit NetAction() : QObject(0) {};
+    explicit NetAction() : QObject(nullptr) {};
 
 public:
+    using Ptr = shared_qobject_ptr<NetAction>;
+
     virtual ~NetAction() {};
 
     bool isRunning() const
@@ -93,9 +94,17 @@ protected slots:
     virtual void downloadReadyRead() = 0;
 
 public slots:
-    virtual void start() = 0;
+    void start(shared_qobject_ptr<QNetworkAccessManager> network) {
+        m_network = network;
+        startImpl();
+    }
+
+protected:
+    virtual void startImpl() = 0;
 
 public:
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
+
     /// index within the parent job, FIXME: nuke
     int m_index_within_job = 0;
 
diff --git a/launcher/net/NetJob.cpp b/launcher/net/NetJob.cpp
index 029d9e34..9bad89ed 100644
--- a/launcher/net/NetJob.cpp
+++ b/launcher/net/NetJob.cpp
@@ -144,7 +144,7 @@ void NetJob::startMoreParts()
         connect(part.get(), SIGNAL(aborted(int)), SLOT(partAborted(int)));
         connect(part.get(), SIGNAL(netActionProgress(int, qint64, qint64)),
                 SLOT(partProgress(int, qint64, qint64)));
-        part->start();
+        part->start(m_network);
     }
 }
 
@@ -194,7 +194,7 @@ bool NetJob::abort()
     return fullyAborted;
 }
 
-bool NetJob::addNetAction(NetActionPtr action)
+bool NetJob::addNetAction(NetAction::Ptr action)
 {
     action->m_index_within_job = downloads.size();
     downloads.append(action);
diff --git a/launcher/net/NetJob.h b/launcher/net/NetJob.h
index 338f8e71..45b9bc0f 100644
--- a/launcher/net/NetJob.h
+++ b/launcher/net/NetJob.h
@@ -22,33 +22,34 @@
 #include "QObjectPtr.h"
 
 class NetJob;
-typedef shared_qobject_ptr<NetJob> NetJobPtr;
 
 class NetJob : public Task
 {
     Q_OBJECT
 public:
+    using Ptr = shared_qobject_ptr<NetJob>;
+
     explicit NetJob(QString job_name) : Task()
     {
         setObjectName(job_name);
     }
     virtual ~NetJob();
 
-    bool addNetAction(NetActionPtr action);
+    bool addNetAction(NetAction::Ptr action);
 
-    NetActionPtr operator[](int index)
+    NetAction::Ptr operator[](int index)
     {
         return downloads[index];
     }
-    const NetActionPtr at(const int index)
+    const NetAction::Ptr at(const int index)
     {
         return downloads.at(index);
     }
-    NetActionPtr first()
+    NetAction::Ptr first()
     {
         if (downloads.size())
             return downloads[0];
-        return NetActionPtr();
+        return NetAction::Ptr();
     }
     int size() const
     {
@@ -64,6 +65,19 @@ private slots:
 public slots:
     virtual void executeTask() override;
     virtual bool abort() override;
+    virtual void start(shared_qobject_ptr<QNetworkAccessManager> network) {
+        m_network = network;
+        start();
+    }
+
+protected slots:
+    void start() override {
+        if(!m_network) {
+            throw "Missing network while trying to start " + objectName();
+            return;
+        }
+        Task::start();
+    }
 
 private slots:
     void partProgress(int index, qint64 bytesReceived, qint64 bytesTotal);
@@ -72,13 +86,15 @@ private slots:
     void partAborted(int index);
 
 private:
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
+
     struct part_info
     {
         qint64 current_progress = 0;
         qint64 total_progress = 1;
         int failures = 0;
     };
-    QList<NetActionPtr> downloads;
+    QList<NetAction::Ptr> downloads;
     QList<part_info> parts_progress;
     QQueue<int> m_todo;
     QSet<int> m_doing;
diff --git a/launcher/net/PasteUpload.cpp b/launcher/net/PasteUpload.cpp
index 159c3e2a..4b69b68a 100644
--- a/launcher/net/PasteUpload.cpp
+++ b/launcher/net/PasteUpload.cpp
@@ -1,11 +1,12 @@
 #include "PasteUpload.h"
-#include "Env.h"
+#include "BuildConfig.h"
+#include "Application.h"
+
 #include <QDebug>
 #include <QJsonObject>
 #include <QJsonArray>
 #include <QJsonDocument>
 #include <QFile>
-#include <BuildConfig.h>
 
 PasteUpload::PasteUpload(QWidget *window, QString text, QString key) : m_window(window)
 {
@@ -41,7 +42,7 @@ void PasteUpload::executeTask()
     request.setRawHeader("Content-Length", QByteArray::number(m_jsonContent.size()));
     request.setRawHeader("X-Auth-Token", m_key.toStdString().c_str());
 
-    QNetworkReply *rep = ENV->network().post(request, m_jsonContent);
+    QNetworkReply *rep = APPLICATION->network()->post(request, m_jsonContent);
 
     m_reply = std::shared_ptr<QNetworkReply>(rep);
     setStatus(tr("Uploading to paste.ee"));
diff --git a/launcher/news/NewsChecker.cpp b/launcher/news/NewsChecker.cpp
index c66f49e1..77d428a5 100644
--- a/launcher/news/NewsChecker.cpp
+++ b/launcher/news/NewsChecker.cpp
@@ -20,8 +20,9 @@
 
 #include <QDebug>
 
-NewsChecker::NewsChecker(const QString& feedUrl)
+NewsChecker::NewsChecker(shared_qobject_ptr<QNetworkAccessManager> network, const QString& feedUrl)
 {
+    m_network = network;
     m_feedUrl = feedUrl;
 }
 
@@ -41,7 +42,7 @@ void NewsChecker::reloadNews()
     QObject::connect(job, &NetJob::succeeded, this, &NewsChecker::rssDownloadFinished);
     QObject::connect(job, &NetJob::failed, this, &NewsChecker::rssDownloadFailed);
     m_newsNetJob.reset(job);
-    job->start();
+    job->start(m_network);
 }
 
 void NewsChecker::rssDownloadFinished()
diff --git a/launcher/news/NewsChecker.h b/launcher/news/NewsChecker.h
index 84b1f552..8467a541 100644
--- a/launcher/news/NewsChecker.h
+++ b/launcher/news/NewsChecker.h
@@ -30,7 +30,7 @@ public:
     /*!
      * Constructs a news reader to read from the given RSS feed URL.
      */
-    NewsChecker(const QString& feedUrl);
+    NewsChecker(shared_qobject_ptr<QNetworkAccessManager> network, const QString& feedUrl);
 
     /*!
      * Returns the error message for the last time the news was loaded.
@@ -80,7 +80,7 @@ protected: /* data */
     QList<NewsEntryPtr> m_newsEntries;
 
     //! The network job to use to load the news.
-    NetJobPtr m_newsNetJob;
+    NetJob::Ptr m_newsNetJob;
 
     //! True if news has been loaded.
     bool m_loadedNews;
@@ -93,6 +93,8 @@ protected: /* data */
      */
     QString m_lastLoadError;
 
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
+
 protected slots:
     /// Emits newsLoaded() and sets m_lastLoadError to empty string.
     void succeed();
diff --git a/launcher/notifications/NotificationChecker.cpp b/launcher/notifications/NotificationChecker.cpp
index 4ccd3d6c..00c918f8 100644
--- a/launcher/notifications/NotificationChecker.cpp
+++ b/launcher/notifications/NotificationChecker.cpp
@@ -5,9 +5,9 @@
 #include <QJsonArray>
 #include <QDebug>
 
-#include "Env.h"
 #include "net/Download.h"
 
+#include "Application.h"
 
 NotificationChecker::NotificationChecker(QObject *parent)
     : QObject(parent)
@@ -53,11 +53,11 @@ void NotificationChecker::checkForNotifications()
         return;
     }
     m_checkJob.reset(new NetJob("Checking for notifications"));
-    auto entry = ENV->metacache()->resolveEntry("root", "notifications.json");
+    auto entry = APPLICATION->metacache()->resolveEntry("root", "notifications.json");
     entry->setStale(true);
     m_checkJob->addNetAction(m_download = Net::Download::makeCached(m_notificationsUrl, entry));
     connect(m_download.get(), &Net::Download::succeeded, this, &NotificationChecker::downloadSucceeded);
-    m_checkJob->start();
+    m_checkJob->start(APPLICATION->network());
 }
 
 void NotificationChecker::downloadSucceeded(int)
diff --git a/launcher/notifications/NotificationChecker.h b/launcher/notifications/NotificationChecker.h
index eb2b32a2..0f305f33 100644
--- a/launcher/notifications/NotificationChecker.h
+++ b/launcher/notifications/NotificationChecker.h
@@ -52,7 +52,7 @@ private:
 private:
     QList<NotificationEntry> m_entries;
     QUrl m_notificationsUrl;
-    NetJobPtr m_checkJob;
+    NetJob::Ptr m_checkJob;
     Net::Download::Ptr m_download;
 
     QString m_appVersionChannel;
diff --git a/launcher/pages/global/AccountListPage.cpp b/launcher/pages/global/AccountListPage.cpp
index d0138dcc..1e175df7 100644
--- a/launcher/pages/global/AccountListPage.cpp
+++ b/launcher/pages/global/AccountListPage.cpp
@@ -22,7 +22,6 @@
 #include <QDebug>
 
 #include "net/NetJob.h"
-#include "Env.h"
 
 #include "dialogs/ProgressDialog.h"
 #include "dialogs/LoginDialog.h"
diff --git a/launcher/pages/global/ProxyPage.cpp b/launcher/pages/global/ProxyPage.cpp
index 622b8ef3..5bc8199e 100644
--- a/launcher/pages/global/ProxyPage.cpp
+++ b/launcher/pages/global/ProxyPage.cpp
@@ -20,7 +20,7 @@
 
 #include "settings/SettingsObject.h"
 #include "Application.h"
-#include "Env.h"
+#include "Application.h"
 
 ProxyPage::ProxyPage(QWidget *parent) : QWidget(parent), ui(new Ui::ProxyPage)
 {
@@ -77,8 +77,13 @@ void ProxyPage::applySettings()
     s->set("ProxyUser", ui->proxyUserEdit->text());
     s->set("ProxyPass", ui->proxyPassEdit->text());
 
-    ENV->updateProxySettings(proxyType, ui->proxyAddrEdit->text(), ui->proxyPortEdit->value(),
-            ui->proxyUserEdit->text(), ui->proxyPassEdit->text());
+    APPLICATION->updateProxySettings(
+        proxyType,
+        ui->proxyAddrEdit->text(),
+        ui->proxyPortEdit->value(),
+        ui->proxyUserEdit->text(),
+        ui->proxyPassEdit->text()
+    );
 }
 void ProxyPage::loadSettings()
 {
diff --git a/launcher/pages/instance/ScreenshotsPage.cpp b/launcher/pages/instance/ScreenshotsPage.cpp
index f303e9fa..b2d440c3 100644
--- a/launcher/pages/instance/ScreenshotsPage.cpp
+++ b/launcher/pages/instance/ScreenshotsPage.cpp
@@ -302,8 +302,8 @@ void ScreenshotsPage::on_actionUpload_triggered()
     if (selection.isEmpty())
         return;
 
-    QList<ScreenshotPtr> uploaded;
-    auto job = NetJobPtr(new NetJob("Screenshot Upload"));
+    QList<ScreenShot::Ptr> uploaded;
+    auto job = NetJob::Ptr(new NetJob("Screenshot Upload"));
     if(selection.size() < 2)
     {
         auto item = selection.at(0);
@@ -344,7 +344,7 @@ void ScreenshotsPage::on_actionUpload_triggered()
         job->addNetAction(ImgurUpload::make(screenshot));
     }
     SequentialTask task;
-    auto albumTask = NetJobPtr(new NetJob("Imgur Album Creation"));
+    auto albumTask = NetJob::Ptr(new NetJob("Imgur Album Creation"));
     auto imgurAlbum = ImgurAlbumCreation::make(uploaded);
     albumTask->addNetAction(imgurAlbum);
     task.addTask(job);
diff --git a/launcher/pages/instance/VersionPage.cpp b/launcher/pages/instance/VersionPage.cpp
index 15d5d8d5..d36f7b8d 100644
--- a/launcher/pages/instance/VersionPage.cpp
+++ b/launcher/pages/instance/VersionPage.cpp
@@ -420,7 +420,7 @@ void VersionPage::on_actionDownload_All_triggered()
 
 void VersionPage::on_actionInstall_Forge_triggered()
 {
-    auto vlist = ENV->metadataIndex()->get("net.minecraftforge");
+    auto vlist = APPLICATION->metadataIndex()->get("net.minecraftforge");
     if(!vlist)
     {
         return;
@@ -449,7 +449,7 @@ void VersionPage::on_actionInstall_Forge_triggered()
 
 void VersionPage::on_actionInstall_Fabric_triggered()
 {
-    auto vlist = ENV->metadataIndex()->get("net.fabricmc.fabric-loader");
+    auto vlist = APPLICATION->metadataIndex()->get("net.fabricmc.fabric-loader");
     if(!vlist)
     {
         return;
@@ -494,7 +494,7 @@ void VersionPage::on_actionAdd_Empty_triggered()
 
 void VersionPage::on_actionInstall_LiteLoader_triggered()
 {
-    auto vlist = ENV->metadataIndex()->get("com.mumfrey.liteloader");
+    auto vlist = APPLICATION->metadataIndex()->get("com.mumfrey.liteloader");
     if(!vlist)
     {
         return;
diff --git a/launcher/pages/modplatform/VanillaPage.cpp b/launcher/pages/modplatform/VanillaPage.cpp
index 6dbc3970..4527d1a0 100644
--- a/launcher/pages/modplatform/VanillaPage.cpp
+++ b/launcher/pages/modplatform/VanillaPage.cpp
@@ -1,16 +1,15 @@
 #include "VanillaPage.h"
 #include "ui_VanillaPage.h"
 
-#include "Application.h"
-
-#include <meta/Index.h>
-#include <meta/VersionList.h>
-#include <dialogs/NewInstanceDialog.h>
-#include <Filter.h>
-#include <Env.h>
-#include <InstanceCreationTask.h>
 #include <QTabBar>
 
+#include "Application.h"
+#include "meta/Index.h"
+#include "meta/VersionList.h"
+#include "dialogs/NewInstanceDialog.h"
+#include "Filter.h"
+#include "InstanceCreationTask.h"
+
 VanillaPage::VanillaPage(NewInstanceDialog *dialog, QWidget *parent)
     : QWidget(parent), dialog(dialog), ui(new Ui::VanillaPage)
 {
@@ -31,7 +30,7 @@ void VanillaPage::openedImpl()
 {
     if(!initialized)
     {
-        auto vlist = ENV->metadataIndex()->get("net.minecraft");
+        auto vlist = APPLICATION->metadataIndex()->get("net.minecraft");
         ui->versionList->initialize(vlist.get());
         initialized = true;
     }
diff --git a/launcher/pages/modplatform/atlauncher/AtlListModel.cpp b/launcher/pages/modplatform/atlauncher/AtlListModel.cpp
index 68234f6b..e8c6deee 100644
--- a/launcher/pages/modplatform/atlauncher/AtlListModel.cpp
+++ b/launcher/pages/modplatform/atlauncher/AtlListModel.cpp
@@ -2,7 +2,6 @@
 
 #include <BuildConfig.h>
 #include <Application.h>
-#include <Env.h>
 #include <Json.h>
 
 namespace Atl {
@@ -75,7 +74,7 @@ void ListModel::request()
     auto url = QString(BuildConfig.ATL_DOWNLOAD_SERVER_URL + "launcher/json/packsnew.json");
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(url), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 
     QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::requestFinished);
     QObject::connect(netJob, &NetJob::failed, this, &ListModel::requestFailed);
@@ -134,7 +133,7 @@ void ListModel::getLogo(const QString &logo, const QString &logoUrl, LogoCallbac
 {
     if(m_logoMap.contains(logo))
     {
-        callback(ENV->metacache()->resolveEntry("ATLauncherPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
+        callback(APPLICATION->metacache()->resolveEntry("ATLauncherPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
     }
     else
     {
@@ -167,7 +166,7 @@ void ListModel::requestLogo(QString file, QString url)
         return;
     }
 
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("ATLauncherPacks", QString("logos/%1").arg(file.section(".", 0, 0)));
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("ATLauncherPacks", QString("logos/%1").arg(file.section(".", 0, 0)));
     NetJob *job = new NetJob(QString("ATLauncher Icon Download %1").arg(file));
     job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
 
@@ -186,7 +185,7 @@ void ListModel::requestLogo(QString file, QString url)
         emit logoFailed(file);
     });
 
-    job->start();
+    job->start(APPLICATION->network());
 
     m_loadingLogos.append(file);
 }
diff --git a/launcher/pages/modplatform/atlauncher/AtlListModel.h b/launcher/pages/modplatform/atlauncher/AtlListModel.h
index 2d30a64e..79aa8180 100644
--- a/launcher/pages/modplatform/atlauncher/AtlListModel.h
+++ b/launcher/pages/modplatform/atlauncher/AtlListModel.h
@@ -45,7 +45,7 @@ private:
     LogoMap m_logoMap;
     QMap<QString, LogoCallback> waitingCallbacks;
 
-    NetJobPtr jobPtr;
+    NetJob::Ptr jobPtr;
     QByteArray response;
 };
 
diff --git a/launcher/pages/modplatform/flame/FlameModel.cpp b/launcher/pages/modplatform/flame/FlameModel.cpp
index c983eefd..a05ab641 100644
--- a/launcher/pages/modplatform/flame/FlameModel.cpp
+++ b/launcher/pages/modplatform/flame/FlameModel.cpp
@@ -9,7 +9,6 @@
 #include <QLabel>
 
 #include <RWStorage.h>
-#include <Env.h>
 
 namespace Flame {
 
@@ -100,7 +99,7 @@ void ListModel::requestLogo(QString logo, QString url)
         return;
     }
 
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("FlamePacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("FlamePacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
     NetJob *job = new NetJob(QString("Flame Icon Download %1").arg(logo));
     job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
 
@@ -119,7 +118,7 @@ void ListModel::requestLogo(QString logo, QString url)
         emit logoFailed(logo);
     });
 
-    job->start();
+    job->start(APPLICATION->network());
 
     m_loadingLogos.append(logo);
 }
@@ -128,7 +127,7 @@ void ListModel::getLogo(const QString &logo, const QString &logoUrl, LogoCallbac
 {
     if(m_logoMap.contains(logo))
     {
-        callback(ENV->metacache()->resolveEntry("FlamePacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
+        callback(APPLICATION->metacache()->resolveEntry("FlamePacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
     }
     else
     {
@@ -172,7 +171,7 @@ void ListModel::performPaginatedSearch()
     ).arg(nextSearchOffset).arg(currentSearchTerm).arg(currentSort);
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
     QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::searchRequestFinished);
     QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
 }
diff --git a/launcher/pages/modplatform/flame/FlameModel.h b/launcher/pages/modplatform/flame/FlameModel.h
index 24383db0..536f6add 100644
--- a/launcher/pages/modplatform/flame/FlameModel.h
+++ b/launcher/pages/modplatform/flame/FlameModel.h
@@ -69,7 +69,7 @@ private:
         ResetRequested,
         Finished
     } searchState = None;
-    NetJobPtr jobPtr;
+    NetJob::Ptr jobPtr;
     QByteArray response;
 };
 
diff --git a/launcher/pages/modplatform/flame/FlamePage.cpp b/launcher/pages/modplatform/flame/FlamePage.cpp
index 11fc4222..b3e30d5a 100644
--- a/launcher/pages/modplatform/flame/FlamePage.cpp
+++ b/launcher/pages/modplatform/flame/FlamePage.cpp
@@ -139,7 +139,7 @@ void FlamePage::onSelectionChanged(QModelIndex first, QModelIndex second)
 
             suggestCurrent();
         });
-        netJob->start();
+        netJob->start(APPLICATION->network());
     }
     else
     {
diff --git a/launcher/pages/modplatform/ftb/FtbListModel.cpp b/launcher/pages/modplatform/ftb/FtbListModel.cpp
index 16a744cf..59cd0b85 100644
--- a/launcher/pages/modplatform/ftb/FtbListModel.cpp
+++ b/launcher/pages/modplatform/ftb/FtbListModel.cpp
@@ -1,7 +1,6 @@
 #include "FtbListModel.h"
 
 #include "BuildConfig.h"
-#include "Env.h"
 #include "Application.h"
 #include "Json.h"
 
@@ -78,7 +77,7 @@ void ListModel::getLogo(const QString &logo, const QString &logoUrl, LogoCallbac
 {
     if(m_logoMap.contains(logo))
     {
-        callback(ENV->metacache()->resolveEntry("ModpacksCHPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
+        callback(APPLICATION->metacache()->resolveEntry("ModpacksCHPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
     }
     else
     {
@@ -96,7 +95,7 @@ void ListModel::request()
     auto url = QString(BuildConfig.MODPACKSCH_API_BASE_URL + "public/modpack/all");
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(url), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 
     QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::requestFinished);
     QObject::connect(netJob, &NetJob::failed, this, &ListModel::requestFailed);
@@ -140,7 +139,7 @@ void ListModel::requestPack()
             .arg(currentPack);
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
 
     QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::packRequestFinished);
     QObject::connect(netJob, &NetJob::failed, this, &ListModel::packRequestFailed);
@@ -252,7 +251,7 @@ void ListModel::requestLogo(QString logo, QString url)
         return;
     }
 
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("ModpacksCHPacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("ModpacksCHPacks", QString("logos/%1").arg(logo.section(".", 0, 0)));
 
     bool stale = entry->isStale();
 
@@ -273,7 +272,7 @@ void ListModel::requestLogo(QString logo, QString url)
     auto &newLogoEntry = m_logoMap[logo];
     newLogoEntry.downloadJob = job;
     newLogoEntry.fullpath = fullPath;
-    job->start();
+    job->start(APPLICATION->network());
 }
 
 }
diff --git a/launcher/pages/modplatform/ftb/FtbListModel.h b/launcher/pages/modplatform/ftb/FtbListModel.h
index 2d6e91da..e2b73c25 100644
--- a/launcher/pages/modplatform/ftb/FtbListModel.h
+++ b/launcher/pages/modplatform/ftb/FtbListModel.h
@@ -10,7 +10,7 @@ namespace Ftb {
 
 struct Logo {
     QString fullpath;
-    NetJobPtr downloadJob;
+    NetJob::Ptr downloadJob;
     QIcon result;
     bool failed = false;
 };
@@ -52,7 +52,7 @@ private:
     QList<ModpacksCH::Modpack> modpacks;
     LogoMap m_logoMap;
 
-    NetJobPtr jobPtr;
+    NetJob::Ptr jobPtr;
     int currentPack;
     QList<int> remainingPacks;
     QByteArray response;
diff --git a/launcher/pages/modplatform/legacy_ftb/ListModel.cpp b/launcher/pages/modplatform/legacy_ftb/ListModel.cpp
index dfef278b..5fa932b7 100644
--- a/launcher/pages/modplatform/legacy_ftb/ListModel.cpp
+++ b/launcher/pages/modplatform/legacy_ftb/ListModel.cpp
@@ -8,7 +8,6 @@
 #include <QLabel>
 
 #include <RWStorage.h>
-#include <Env.h>
 
 #include <BuildConfig.h>
 
@@ -216,7 +215,7 @@ void ListModel::requestLogo(QString file)
         return;
     }
 
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("FTBPacks", QString("logos/%1").arg(file.section(".", 0, 0)));
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("FTBPacks", QString("logos/%1").arg(file.section(".", 0, 0)));
     NetJob *job = new NetJob(QString("FTB Icon Download for %1").arg(file));
     job->addNetAction(Net::Download::makeCached(QUrl(QString(BuildConfig.LEGACY_FTB_CDN_BASE_URL + "static/%1").arg(file)), entry));
 
@@ -235,7 +234,7 @@ void ListModel::requestLogo(QString file)
         emit logoFailed(file);
     });
 
-    job->start();
+    job->start(APPLICATION->network());
 
     m_loadingLogos.append(file);
 }
@@ -244,7 +243,7 @@ void ListModel::getLogo(const QString &logo, LogoCallback callback)
 {
     if(m_logoMap.contains(logo))
     {
-        callback(ENV->metacache()->resolveEntry("FTBPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
+        callback(APPLICATION->metacache()->resolveEntry("FTBPacks", QString("logos/%1").arg(logo.section(".", 0, 0)))->getFullPath());
     }
     else
     {
diff --git a/launcher/pages/modplatform/legacy_ftb/Page.cpp b/launcher/pages/modplatform/legacy_ftb/Page.cpp
index 93002a87..ecd9fece 100644
--- a/launcher/pages/modplatform/legacy_ftb/Page.cpp
+++ b/launcher/pages/modplatform/legacy_ftb/Page.cpp
@@ -16,7 +16,7 @@ namespace LegacyFTB {
 Page::Page(NewInstanceDialog* dialog, QWidget *parent)
     : QWidget(parent), dialog(dialog), ui(new Ui::Page)
 {
-    ftbFetchTask.reset(new PackFetchTask());
+    ftbFetchTask.reset(new PackFetchTask(APPLICATION->network()));
     ftbPrivatePacks.reset(new PrivatePackManager());
 
     ui->setupUi(this);
@@ -133,7 +133,7 @@ void Page::suggestCurrent()
         return;
     }
 
-    dialog->setSuggestedPack(selected.name, new PackInstallTask(selected, selectedVersion));
+    dialog->setSuggestedPack(selected.name, new PackInstallTask(APPLICATION->network(), selected, selectedVersion));
     QString editedLogoName;
     if(selected.logo.toLower().startsWith("ftb"))
     {
diff --git a/launcher/pages/modplatform/technic/TechnicModel.cpp b/launcher/pages/modplatform/technic/TechnicModel.cpp
index a07395ef..63c2d4c4 100644
--- a/launcher/pages/modplatform/technic/TechnicModel.cpp
+++ b/launcher/pages/modplatform/technic/TechnicModel.cpp
@@ -14,7 +14,6 @@
  */
 
 #include "TechnicModel.h"
-#include "Env.h"
 #include "Application.h"
 #include "Json.h"
 
@@ -105,7 +104,7 @@ void Technic::ListModel::performSearch()
     }
     netJob->addNetAction(Net::Download::makeByteArray(QUrl(searchUrl), &response));
     jobPtr = netJob;
-    jobPtr->start();
+    jobPtr->start(APPLICATION->network());
     QObject::connect(netJob, &NetJob::succeeded, this, &ListModel::searchRequestFinished);
     QObject::connect(netJob, &NetJob::failed, this, &ListModel::searchRequestFailed);
 }
@@ -163,7 +162,7 @@ void Technic::ListModel::getLogo(const QString& logo, const QString& logoUrl, Te
 {
     if(m_logoMap.contains(logo))
     {
-        callback(ENV->metacache()->resolveEntry("TechnicPacks", QString("logos/%1").arg(logo))->getFullPath());
+        callback(APPLICATION->metacache()->resolveEntry("TechnicPacks", QString("logos/%1").arg(logo))->getFullPath());
     }
     else
     {
@@ -216,7 +215,7 @@ void Technic::ListModel::requestLogo(QString logo, QString url)
         return;
     }
 
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("TechnicPacks", QString("logos/%1").arg(logo));
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("TechnicPacks", QString("logos/%1").arg(logo));
     NetJob *job = new NetJob(QString("Technic Icon Download %1").arg(logo));
     job->addNetAction(Net::Download::makeCached(QUrl(url), entry));
 
@@ -232,7 +231,7 @@ void Technic::ListModel::requestLogo(QString logo, QString url)
         logoFailed(logo);
     });
 
-    job->start();
+    job->start(APPLICATION->network());
 
     m_loadingLogos.append(logo);
 }
diff --git a/launcher/pages/modplatform/technic/TechnicModel.h b/launcher/pages/modplatform/technic/TechnicModel.h
index 82a03842..e80e6e7c 100644
--- a/launcher/pages/modplatform/technic/TechnicModel.h
+++ b/launcher/pages/modplatform/technic/TechnicModel.h
@@ -63,7 +63,7 @@ private:
         ResetRequested,
         Finished
     } searchState = None;
-    NetJobPtr jobPtr;
+    NetJob::Ptr jobPtr;
     QByteArray response;
 };
 
diff --git a/launcher/pages/modplatform/technic/TechnicPage.cpp b/launcher/pages/modplatform/technic/TechnicPage.cpp
index 2befda04..1e4f4106 100644
--- a/launcher/pages/modplatform/technic/TechnicPage.cpp
+++ b/launcher/pages/modplatform/technic/TechnicPage.cpp
@@ -164,7 +164,7 @@ void TechnicPage::suggestCurrent()
         current.metadataLoaded = true;
         metadataLoaded();
     });
-    netJob->start();
+    netJob->start(APPLICATION->network());
 }
 
 // expects current.metadataLoaded to be true
@@ -193,6 +193,6 @@ void TechnicPage::metadataLoaded()
     else
     {
         while (current.url.endsWith('/')) current.url.chop(1);
-        dialog->setSuggestedPack(current.name, new Technic::SolderPackInstallTask(current.url + "/modpack/" + current.slug, current.minecraftVersion));
+        dialog->setSuggestedPack(current.name, new Technic::SolderPackInstallTask(APPLICATION->network(), current.url + "/modpack/" + current.slug, current.minecraftVersion));
     }
 }
diff --git a/launcher/screenshots/ImgurAlbumCreation.cpp b/launcher/screenshots/ImgurAlbumCreation.cpp
index d1b21f5f..d5de302a 100644
--- a/launcher/screenshots/ImgurAlbumCreation.cpp
+++ b/launcher/screenshots/ImgurAlbumCreation.cpp
@@ -5,18 +5,18 @@
 #include <QJsonObject>
 #include <QUrl>
 #include <QStringList>
-
-#include "BuildConfig.h"
-#include "Env.h"
 #include <QDebug>
 
-ImgurAlbumCreation::ImgurAlbumCreation(QList<ScreenshotPtr> screenshots) : NetAction(), m_screenshots(screenshots)
+#include "BuildConfig.h"
+#include "Application.h"
+
+ImgurAlbumCreation::ImgurAlbumCreation(QList<ScreenShot::Ptr> screenshots) : NetAction(), m_screenshots(screenshots)
 {
     m_url = BuildConfig.IMGUR_BASE_URL + "album.json";
     m_status = Job_NotStarted;
 }
 
-void ImgurAlbumCreation::start()
+void ImgurAlbumCreation::startImpl()
 {
     m_status = Job_InProgress;
     QNetworkRequest request(m_url);
@@ -33,7 +33,7 @@ void ImgurAlbumCreation::start()
 
     const QByteArray data = "deletehashes=" + hashes.join(',').toUtf8() + "&title=Minecraft%20Screenshots&privacy=hidden";
 
-    QNetworkReply *rep = ENV->network().post(request, data);
+    QNetworkReply *rep = APPLICATION->network()->post(request, data);
 
     m_reply.reset(rep);
     connect(rep, &QNetworkReply::uploadProgress, this, &ImgurAlbumCreation::downloadProgress);
diff --git a/launcher/screenshots/ImgurAlbumCreation.h b/launcher/screenshots/ImgurAlbumCreation.h
index 954637e6..cb048a23 100644
--- a/launcher/screenshots/ImgurAlbumCreation.h
+++ b/launcher/screenshots/ImgurAlbumCreation.h
@@ -1,13 +1,14 @@
 #pragma once
 #include "net/NetAction.h"
 #include "Screenshot.h"
+#include "QObjectPtr.h"
 
-typedef std::shared_ptr<class ImgurAlbumCreation> ImgurAlbumCreationPtr;
+typedef shared_qobject_ptr<class ImgurAlbumCreation> ImgurAlbumCreationPtr;
 class ImgurAlbumCreation : public NetAction
 {
 public:
-    explicit ImgurAlbumCreation(QList<ScreenshotPtr> screenshots);
-    static ImgurAlbumCreationPtr make(QList<ScreenshotPtr> screenshots)
+    explicit ImgurAlbumCreation(QList<ScreenShot::Ptr> screenshots);
+    static ImgurAlbumCreationPtr make(QList<ScreenShot::Ptr> screenshots)
     {
         return ImgurAlbumCreationPtr(new ImgurAlbumCreation(screenshots));
     }
@@ -32,10 +33,10 @@ slots:
 
 public
 slots:
-    virtual void start();
+    virtual void startImpl();
 
 private:
-    QList<ScreenshotPtr> m_screenshots;
+    QList<ScreenShot::Ptr> m_screenshots;
 
     QString m_deleteHash;
     QString m_id;
diff --git a/launcher/screenshots/ImgurUpload.cpp b/launcher/screenshots/ImgurUpload.cpp
index dfdbf2e8..76a84947 100644
--- a/launcher/screenshots/ImgurUpload.cpp
+++ b/launcher/screenshots/ImgurUpload.cpp
@@ -1,4 +1,5 @@
 #include "ImgurUpload.h"
+#include "BuildConfig.h"
 
 #include <QNetworkRequest>
 #include <QHttpMultiPart>
@@ -7,18 +8,15 @@
 #include <QHttpPart>
 #include <QFile>
 #include <QUrl>
-
-#include "BuildConfig.h"
-#include "Env.h"
 #include <QDebug>
 
-ImgurUpload::ImgurUpload(ScreenshotPtr shot) : NetAction(), m_shot(shot)
+ImgurUpload::ImgurUpload(ScreenShot::Ptr shot) : NetAction(), m_shot(shot)
 {
     m_url = BuildConfig.IMGUR_BASE_URL + "upload.json";
     m_status = Job_NotStarted;
 }
 
-void ImgurUpload::start()
+void ImgurUpload::startImpl()
 {
     finished = false;
     m_status = Job_InProgress;
@@ -49,7 +47,7 @@ void ImgurUpload::start()
     namePart.setBody(m_shot->m_file.baseName().toUtf8());
     multipart->append(namePart);
 
-    QNetworkReply *rep = ENV->network().post(request, multipart);
+    QNetworkReply *rep = m_network->post(request, multipart);
 
     m_reply.reset(rep);
     connect(rep, &QNetworkReply::uploadProgress, this, &ImgurUpload::downloadProgress);
diff --git a/launcher/screenshots/ImgurUpload.h b/launcher/screenshots/ImgurUpload.h
index 0507d499..ac57d1ba 100644
--- a/launcher/screenshots/ImgurUpload.h
+++ b/launcher/screenshots/ImgurUpload.h
@@ -1,15 +1,15 @@
 #pragma once
+#include "QObjectPtr.h"
 #include "net/NetAction.h"
 #include "Screenshot.h"
 
-typedef std::shared_ptr<class ImgurUpload> ImgurUploadPtr;
-class ImgurUpload : public NetAction
-{
+class ImgurUpload : public NetAction {
 public:
-    explicit ImgurUpload(ScreenshotPtr shot);
-    static ImgurUploadPtr make(ScreenshotPtr shot)
-    {
-        return ImgurUploadPtr(new ImgurUpload(shot));
+    using Ptr = shared_qobject_ptr<ImgurUpload>;
+
+    explicit ImgurUpload(ScreenShot::Ptr shot);
+    static Ptr make(ScreenShot::Ptr shot) {
+        return Ptr(new ImgurUpload(shot));
     }
 
 protected
@@ -17,15 +17,13 @@ slots:
     virtual void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
     virtual void downloadError(QNetworkReply::NetworkError error);
     virtual void downloadFinished();
-    virtual void downloadReadyRead()
-    {
-    }
+    virtual void downloadReadyRead() {}
 
 public
 slots:
-    virtual void start();
+    void startImpl() override;
 
 private:
-    ScreenshotPtr m_shot;
+    ScreenShot::Ptr m_shot;
     bool finished = true;
 };
diff --git a/launcher/screenshots/Screenshot.h b/launcher/screenshots/Screenshot.h
index 9db3a8a1..ca45aabf 100644
--- a/launcher/screenshots/Screenshot.h
+++ b/launcher/screenshots/Screenshot.h
@@ -5,10 +5,10 @@
 #include <QFileInfo>
 #include <memory>
 
-struct ScreenShot
-{
-    ScreenShot(QFileInfo file)
-    {
+struct ScreenShot {
+    using Ptr = std::shared_ptr<ScreenShot>;
+
+    ScreenShot(QFileInfo file) {
         m_file = file;
     }
     QFileInfo m_file;
@@ -16,5 +16,3 @@ struct ScreenShot
     QString m_imgurId;
     QString m_imgurDeleteHash;
 };
-
-typedef std::shared_ptr<ScreenShot> ScreenshotPtr;
diff --git a/launcher/tasks/Task.h b/launcher/tasks/Task.h
index 2367f1ec..9cf08dbd 100644
--- a/launcher/tasks/Task.h
+++ b/launcher/tasks/Task.h
@@ -19,10 +19,14 @@
 #include <QString>
 #include <QStringList>
 
+#include "QObjectPtr.h"
+
 class Task : public QObject
 {
     Q_OBJECT
 public:
+    using Ptr = shared_qobject_ptr<Task>;
+
     enum class State
     {
         Inactive,
diff --git a/launcher/translations/TranslationsModel.cpp b/launcher/translations/TranslationsModel.cpp
index b96f87d7..ce53ac32 100644
--- a/launcher/translations/TranslationsModel.cpp
+++ b/launcher/translations/TranslationsModel.cpp
@@ -6,15 +6,17 @@
 #include <QDir>
 #include <QLibraryInfo>
 #include <QDebug>
-#include <FileSystem.h>
-#include <net/NetJob.h>
-#include <net/ChecksumValidator.h>
-#include <Env.h>
-#include <BuildConfig.h>
+
+#include "FileSystem.h"
+#include "net/NetJob.h"
+#include "net/ChecksumValidator.h"
+#include "BuildConfig.h"
 #include "Json.h"
 
 #include "POTranslator.h"
 
+#include "Application.h"
+
 const static QLatin1Literal defaultLangCode("en_US");
 
 enum class FileType
@@ -119,10 +121,10 @@ struct TranslationsModel::Private
     std::unique_ptr<QTranslator> m_qt_translator;
     std::unique_ptr<QTranslator> m_app_translator;
 
-    std::shared_ptr<Net::Download> m_index_task;
+    Net::Download::Ptr m_index_task;
     QString m_downloadingTranslation;
-    NetJobPtr m_dl_job;
-    NetJobPtr m_index_job;
+    NetJob::Ptr m_dl_job;
+    NetJob::Ptr m_index_job;
     QString m_nextDownload;
 
     std::unique_ptr<POTranslator> m_po_translator;
@@ -558,13 +560,13 @@ void TranslationsModel::downloadIndex()
     }
     qDebug() << "Downloading Translations Index...";
     d->m_index_job.reset(new NetJob("Translations Index"));
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("translations", "index_v2.json");
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "index_v2.json");
     entry->setStale(true);
     d->m_index_task = Net::Download::makeCached(QUrl("https://files.multimc.org/translations/index_v2.json"), entry);
     d->m_index_job->addNetAction(d->m_index_task);
     connect(d->m_index_job.get(), &NetJob::failed, this, &TranslationsModel::indexFailed);
     connect(d->m_index_job.get(), &NetJob::succeeded, this, &TranslationsModel::indexReceived);
-    d->m_index_job->start();
+    d->m_index_job->start(APPLICATION->network());
 }
 
 void TranslationsModel::updateLanguage(QString key)
@@ -601,7 +603,7 @@ void TranslationsModel::downloadTranslation(QString key)
     }
 
     d->m_downloadingTranslation = key;
-    MetaEntryPtr entry = ENV->metacache()->resolveEntry("translations", "mmc_" + key + ".qm");
+    MetaEntryPtr entry = APPLICATION->metacache()->resolveEntry("translations", "mmc_" + key + ".qm");
     entry->setStale(true);
 
     auto dl = Net::Download::makeCached(QUrl(BuildConfig.TRANSLATIONS_BASE_URL + lang->file_name), entry);
@@ -615,7 +617,7 @@ void TranslationsModel::downloadTranslation(QString key)
     connect(d->m_dl_job.get(), &NetJob::succeeded, this, &TranslationsModel::dlGood);
     connect(d->m_dl_job.get(), &NetJob::failed, this, &TranslationsModel::dlFailed);
 
-    d->m_dl_job->start();
+    d->m_dl_job->start(APPLICATION->network());
 }
 
 void TranslationsModel::downloadNext()
diff --git a/launcher/updater/DownloadTask.cpp b/launcher/updater/DownloadTask.cpp
index 875d9d84..eba59142 100644
--- a/launcher/updater/DownloadTask.cpp
+++ b/launcher/updater/DownloadTask.cpp
@@ -26,8 +26,12 @@
 namespace GoUpdate
 {
 
-DownloadTask::DownloadTask(Status status, QString target, QObject *parent)
-    : Task(parent), m_updateFilesDir(target)
+DownloadTask::DownloadTask(
+    shared_qobject_ptr<QNetworkAccessManager> network,
+    Status status,
+    QString target,
+    QObject *parent
+) : Task(parent), m_updateFilesDir(target), m_network(network)
 {
     m_status = status;
 
@@ -63,7 +67,7 @@ void DownloadTask::loadVersionInfo()
     connect(netJob, &NetJob::succeeded, this, &DownloadTask::processDownloadedVersionInfo);
     connect(netJob, &NetJob::failed, this, &DownloadTask::vinfoDownloadFailed);
     m_vinfoNetJob.reset(netJob);
-    netJob->start();
+    netJob->start(m_network);
 }
 
 void DownloadTask::vinfoDownloadFailed()
@@ -117,7 +121,7 @@ void DownloadTask::processDownloadedVersionInfo()
     setStatus(tr("Processing file lists - figuring out how to install the update..."));
 
     // make a new netjob for the actual update files
-    NetJobPtr netJob (new NetJob("Update Files"));
+    NetJob::Ptr netJob (new NetJob("Update Files"));
 
     // fill netJob and operationList
     if (!processFileLists(m_currentVersionFileList, m_newVersionFileList, m_status.rootPath, m_updateFilesDir.path(), netJob, m_operations))
@@ -141,7 +145,7 @@ void DownloadTask::processDownloadedVersionInfo()
     }
     qDebug() << "Begin downloading update files to" << m_updateFilesDir.path();
     m_filesNetJob = netJob;
-    m_filesNetJob->start();
+    m_filesNetJob->start(m_network);
 }
 
 void DownloadTask::fileDownloadFinished()
diff --git a/launcher/updater/DownloadTask.h b/launcher/updater/DownloadTask.h
index fc5030b4..eac26238 100644
--- a/launcher/updater/DownloadTask.h
+++ b/launcher/updater/DownloadTask.h
@@ -35,7 +35,7 @@ public:
      *
      * target is a template - XXXXXX at the end will be replaced with a random generated string, ensuring uniqueness
      */
-    explicit DownloadTask(Status status, QString target, QObject* parent = 0);
+    explicit DownloadTask(shared_qobject_ptr<QNetworkAccessManager> network, Status status, QString target, QObject* parent = 0);
     virtual ~DownloadTask() {};
 
     /// Get the directory that will contain the update files.
@@ -62,13 +62,13 @@ protected:
      */
     void loadVersionInfo();
 
-    NetJobPtr m_vinfoNetJob;
+    NetJob::Ptr m_vinfoNetJob;
     QByteArray currentVersionFileListData;
     QByteArray newVersionFileListData;
     Net::Download::Ptr m_currentVersionFileListDownload;
     Net::Download::Ptr m_newVersionFileListDownload;
 
-    NetJobPtr m_filesNetJob;
+    NetJob::Ptr m_filesNetJob;
 
     Status m_status;
 
@@ -91,6 +91,9 @@ protected slots:
     void fileDownloadFinished();
     void fileDownloadFailed(QString reason);
     void fileDownloadProgressChanged(qint64 current, qint64 total);
+
+private:
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
 };
 
 }
diff --git a/launcher/updater/GoUpdate.cpp b/launcher/updater/GoUpdate.cpp
index 6167418e..76f68b55 100644
--- a/launcher/updater/GoUpdate.cpp
+++ b/launcher/updater/GoUpdate.cpp
@@ -68,7 +68,7 @@ bool processFileLists
     const VersionFileList &newVersion,
     const QString &rootPath,
     const QString &tempPath,
-    NetJobPtr job,
+    NetJob::Ptr job,
     OperationList &ops
 )
 {
diff --git a/launcher/updater/GoUpdate.h b/launcher/updater/GoUpdate.h
index 8058e543..46a679ef 100644
--- a/launcher/updater/GoUpdate.h
+++ b/launcher/updater/GoUpdate.h
@@ -117,7 +117,7 @@ bool processFileLists
     const VersionFileList &newVersion,
     const QString &rootPath,
     const QString &tempPath,
-    NetJobPtr job,
+    NetJob::Ptr job,
     OperationList &ops
 );
 
diff --git a/launcher/updater/UpdateChecker.cpp b/launcher/updater/UpdateChecker.cpp
index c96a6c9f..c72bbe0b 100644
--- a/launcher/updater/UpdateChecker.cpp
+++ b/launcher/updater/UpdateChecker.cpp
@@ -26,8 +26,9 @@
 #include "BuildConfig.h"
 #include "sys.h"
 
-UpdateChecker::UpdateChecker(QString channelUrl, QString currentChannel, int currentBuild)
+UpdateChecker::UpdateChecker(shared_qobject_ptr<QNetworkAccessManager> nam, QString channelUrl, QString currentChannel, int currentBuild)
 {
+    m_network = nam;
     m_channelUrl = channelUrl;
     m_currentChannel = currentChannel;
     m_currentBuild = currentBuild;
@@ -103,12 +104,11 @@ void UpdateChecker::checkForUpdate(QString updateChannel, bool notifyNoUpdate)
 
     QUrl indexUrl = QUrl(m_newRepoUrl).resolved(QUrl("index.json"));
 
-    auto job = new NetJob("GoUpdate Repository Index");
-    job->addNetAction(Net::Download::makeByteArray(indexUrl, &indexData));
-    connect(job, &NetJob::succeeded, [this, notifyNoUpdate](){ updateCheckFinished(notifyNoUpdate); });
-    connect(job, &NetJob::failed, this, &UpdateChecker::updateCheckFailed);
-    indexJob.reset(job);
-    job->start();
+    indexJob = new NetJob("GoUpdate Repository Index");
+    indexJob->addNetAction(Net::Download::makeByteArray(indexUrl, &indexData));
+    connect(indexJob.get(), &NetJob::succeeded, [this, notifyNoUpdate](){ updateCheckFinished(notifyNoUpdate); });
+    connect(indexJob.get(), &NetJob::failed, this, &UpdateChecker::updateCheckFailed);
+    indexJob->start(m_network);
 }
 
 void UpdateChecker::updateCheckFinished(bool notifyNoUpdate)
@@ -191,12 +191,11 @@ void UpdateChecker::updateChanList(bool notifyNoUpdate)
     }
 
     m_chanListLoading = true;
-    NetJob *job = new NetJob("Update System Channel List");
-    job->addNetAction(Net::Download::makeByteArray(QUrl(m_channelUrl), &chanlistData));
-    connect(job, &NetJob::succeeded, [this, notifyNoUpdate]() { chanListDownloadFinished(notifyNoUpdate); });
-    QObject::connect(job, &NetJob::failed, this, &UpdateChecker::chanListDownloadFailed);
-    chanListJob.reset(job);
-    job->start();
+    chanListJob = new NetJob("Update System Channel List");
+    chanListJob->addNetAction(Net::Download::makeByteArray(QUrl(m_channelUrl), &chanlistData));
+    connect(chanListJob.get(), &NetJob::succeeded, [this, notifyNoUpdate]() { chanListDownloadFinished(notifyNoUpdate); });
+    connect(chanListJob.get(), &NetJob::failed, this, &UpdateChecker::chanListDownloadFailed);
+    chanListJob->start(m_network);
 }
 
 void UpdateChecker::chanListDownloadFinished(bool notifyNoUpdate)
@@ -233,10 +232,12 @@ void UpdateChecker::chanListDownloadFinished(bool notifyNoUpdate)
     for (QJsonValue chanVal : channelArray)
     {
         QJsonObject channelObj = chanVal.toObject();
-        ChannelListEntry entry{channelObj.value("id").toVariant().toString(),
-                               channelObj.value("name").toVariant().toString(),
-                               channelObj.value("description").toVariant().toString(),
-                               channelObj.value("url").toVariant().toString()};
+        ChannelListEntry entry {
+            channelObj.value("id").toVariant().toString(),
+            channelObj.value("name").toVariant().toString(),
+            channelObj.value("description").toVariant().toString(),
+            channelObj.value("url").toVariant().toString()
+        };
         if (entry.id.isEmpty() || entry.name.isEmpty() || entry.url.isEmpty())
         {
             qCritical() << "Channel list entry with empty ID, name, or URL. Skipping.";
@@ -253,8 +254,9 @@ void UpdateChecker::chanListDownloadFinished(bool notifyNoUpdate)
     qDebug() << "Successfully loaded UpdateChecker channel list.";
 
     // If we're waiting to check for updates, do that now.
-    if (m_checkUpdateWaiting)
+    if (m_checkUpdateWaiting) {
         checkForUpdate(m_deferredUpdateChannel, notifyNoUpdate);
+    }
 
     emit channelListLoaded();
 }
diff --git a/launcher/updater/UpdateChecker.h b/launcher/updater/UpdateChecker.h
index 219c3c62..13ee4efd 100644
--- a/launcher/updater/UpdateChecker.h
+++ b/launcher/updater/UpdateChecker.h
@@ -23,7 +23,7 @@ class UpdateChecker : public QObject
     Q_OBJECT
 
 public:
-    UpdateChecker(QString channelUrl, QString currentChannel, int currentBuild);
+    UpdateChecker(shared_qobject_ptr<QNetworkAccessManager> nam, QString channelUrl, QString currentChannel, int currentBuild);
     void checkForUpdate(QString updateChannel, bool notifyNoUpdate);
 
     /*!
@@ -73,9 +73,11 @@ private slots:
 private:
     friend class UpdateCheckerTest;
 
-    NetJobPtr indexJob;
+    shared_qobject_ptr<QNetworkAccessManager> m_network;
+
+    NetJob::Ptr indexJob;
     QByteArray indexData;
-    NetJobPtr chanListJob;
+    NetJob::Ptr chanListJob;
     QByteArray chanlistData;
 
     QString m_channelUrl;
diff --git a/launcher/updater/UpdateChecker_test.cpp b/launcher/updater/UpdateChecker_test.cpp
index 5702d9c6..ec55a40e 100644
--- a/launcher/updater/UpdateChecker_test.cpp
+++ b/launcher/updater/UpdateChecker_test.cpp
@@ -91,7 +91,8 @@ slots:
         QFETCH(bool, valid);
         QFETCH(QList<UpdateChecker::ChannelListEntry>, result);
 
-        UpdateChecker checker(channelUrl, channel, 0);
+        shared_qobject_ptr<QNetworkAccessManager> nam = new QNetworkAccessManager();
+        UpdateChecker checker(nam, channelUrl, channel, 0);
 
         QSignalSpy channelListLoadedSpy(&checker, SIGNAL(channelListLoaded()));
         QVERIFY(channelListLoadedSpy.isValid());
@@ -119,7 +120,8 @@ slots:
         QString channelUrl = findTestDataUrl("data/channels.json");
         int currentBuild = 2;
 
-        UpdateChecker checker(channelUrl, channel, currentBuild);
+        shared_qobject_ptr<QNetworkAccessManager> nam = new QNetworkAccessManager();
+        UpdateChecker checker(nam, channelUrl, channel, currentBuild);
 
         QSignalSpy updateAvailableSpy(&checker, SIGNAL(updateAvailable(GoUpdate::Status)));
         QVERIFY(updateAvailableSpy.isValid());