feat: Create a copy of old Tardigrade-Backend with reuse of new Storj-Backend

14 files changed, 298 insertions, 57 deletions

diff --git a/Duplicati/Library/Backend/Storj/Duplicati.Library.Backend.Storj.csproj b/Duplicati/Library/Backend/Storj/Duplicati.Library.Backend.Storj.csproj
index c44e61a61..a6ff45a31 100644
--- a/Duplicati/Library/Backend/Storj/Duplicati.Library.Backend.Storj.csproj
+++ b/Duplicati/Library/Backend/Storj/Duplicati.Library.Backend.Storj.csproj
@@ -7,8 +7,8 @@
     <ProjectGuid>{AE035E01-C917-4F13-A35E-78F21C1A2F17}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
-    <RootNamespace>Duplicati.Library.Backend.Tardigrade</RootNamespace>
-    <AssemblyName>Duplicati.Library.Backend.Tardigrade</AssemblyName>
+    <RootNamespace>Duplicati.Library.Backend.Storj</RootNamespace>
+    <AssemblyName>Duplicati.Library.Backend.Storj</AssemblyName>
     <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <Deterministic>true</Deterministic>
diff --git a/Duplicati/Library/Backend/Storj/Properties/AssemblyInfo.cs b/Duplicati/Library/Backend/Storj/Properties/AssemblyInfo.cs
index 5f3cc907e..27b1092b7 100644
--- a/Duplicati/Library/Backend/Storj/Properties/AssemblyInfo.cs
+++ b/Duplicati/Library/Backend/Storj/Properties/AssemblyInfo.cs
@@ -34,3 +34,4 @@ using System.Runtime.InteropServices;
 // [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
 [assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly:InternalsVisibleTo("Duplicati.Library.Backend.Tardigrade")]
diff --git a/Duplicati/Library/Backend/Storj/StorjBackend.cs b/Duplicati/Library/Backend/Storj/StorjBackend.cs
index 8cc80caca..715aeef12 100644
--- a/Duplicati/Library/Backend/Storj/StorjBackend.cs
+++ b/Duplicati/Library/Backend/Storj/StorjBackend.cs
@@ -12,20 +12,10 @@ using uplink.NET.Interfaces;
 using uplink.NET.Models;
 using uplink.NET.Services;
 
-namespace Duplicati.Library.Backend.Tardigrade
+namespace Duplicati.Library.Backend.Storj
 {
-    public class Tardigrade : IStreamingBackend
+    public class Storj : IStreamingBackend
     {
-        #region Deprecated parameters - Should be removed in one of the next duplicati versions
-        private const string TARDIGRADE_AUTH_METHOD = "tardigrade-auth-method";
-        private const string TARDIGRADE_SATELLITE = "tardigrade-satellite";
-        private const string TARDIGRADE_API_KEY = "tardigrade-api-key";
-        private const string TARDIGRADE_SECRET = "tardigrade-secret";
-        private const string TARDIGRADE_SHARED_ACCESS = "tardigrade-shared-access";
-        private const string TARDIGRADE_BUCKET = "tardigrade-bucket";
-        private const string TARDIGRADE_FOLDER = "tardigrade-folder";
-        #endregion
-
         private const string STORJ_AUTH_METHOD = "storj-auth-method";
         private const string STORJ_SATELLITE = "storj-satellite";
         private const string STORJ_API_KEY = "storj-api-key";
@@ -34,7 +24,7 @@ namespace Duplicati.Library.Backend.Tardigrade
         private const string STORJ_BUCKET = "storj-bucket";
         private const string STORJ_FOLDER = "storj-folder";
 
-        private const string PROTOCOL_KEY = "tardigrade"; //Should be "storj" - but for historic reasons this stays "tardigrade" to not affect existing configurations
+        private const string PROTOCOL_KEY = "storj";
         private const string STORJ_PARTNER_ID = "duplicati";
 
         private readonly string _satellite;
@@ -83,45 +73,35 @@ namespace Duplicati.Library.Backend.Tardigrade
 
         // ReSharper disable once UnusedMember.Global
         // This constructor is needed by the BackendLoader.
-        public Tardigrade()
+        public Storj()
         {
         }
 
         // ReSharper disable once UnusedMember.Global
         // This constructor is needed by the BackendLoader.
-        public Tardigrade(string url, Dictionary<string, string> options)
+        public Storj(string url, Dictionary<string, string> options)
         {
             InitStorjLibrary();
 
-            options.TryGetValue(STORJ_AUTH_METHOD, out string auth_method);
-            if (string.IsNullOrEmpty(auth_method))
-                auth_method = options[TARDIGRADE_AUTH_METHOD];
+            var auth_method = options[STORJ_AUTH_METHOD];
             if (auth_method == "Access grant")
             {
                 //Create an access from the access grant
-                options.TryGetValue(STORJ_SHARED_ACCESS, out string shared_access);
-                if (string.IsNullOrEmpty(shared_access))
-                    shared_access = options[TARDIGRADE_SHARED_ACCESS];
+                var shared_access = options[STORJ_SHARED_ACCESS];
                 _access = new Access(shared_access, new Config() { UserAgent = STORJ_PARTNER_ID });
             }
             else
             {
                 //Create an access for a satellite, API key and encryption passphrase
-                options.TryGetValue(STORJ_SATELLITE, out _satellite);
-                if (string.IsNullOrEmpty(_satellite))
-                    _satellite = options[TARDIGRADE_SATELLITE];
+                _satellite = options[STORJ_SATELLITE];
 
-                if (options.ContainsKey(TARDIGRADE_API_KEY) || options.ContainsKey(STORJ_API_KEY))
+                if (options.ContainsKey(STORJ_API_KEY))
                 {
-                    options.TryGetValue(STORJ_API_KEY, out _api_key);
-                    if (string.IsNullOrEmpty(_api_key))
-                        _api_key = options[TARDIGRADE_API_KEY];
+                    _api_key = options[STORJ_API_KEY];
                 }
-                if (options.ContainsKey(TARDIGRADE_SECRET) || options.ContainsKey(STORJ_SECRET))
+                if (options.ContainsKey(STORJ_SECRET))
                 {
-                    options.TryGetValue(STORJ_SECRET, out _secret);
-                    if (string.IsNullOrEmpty(_secret))
-                        _secret = options[TARDIGRADE_SECRET];
+                    _secret = options[STORJ_SECRET];
                 }
 
                 _access = new Access(_satellite, _api_key, _secret, new Config() { UserAgent = STORJ_PARTNER_ID });
@@ -131,22 +111,18 @@ namespace Duplicati.Library.Backend.Tardigrade
             _objectService = new ObjectService(_access);
 
             //If no bucket was provided use the default "duplicati"-bucket
-            if (options.ContainsKey(TARDIGRADE_BUCKET) || options.ContainsKey(STORJ_BUCKET))
+            if (options.ContainsKey(STORJ_BUCKET))
             {
-                options.TryGetValue(STORJ_BUCKET, out _bucket);
-                if (string.IsNullOrEmpty(_bucket))
-                    _bucket = options[TARDIGRADE_BUCKET];
+                _bucket = options[STORJ_BUCKET];
             }
             else
             {
                 _bucket = "duplicati";
             }
 
-            if (options.ContainsKey(TARDIGRADE_FOLDER) || options.ContainsKey(STORJ_FOLDER))
+            if (options.ContainsKey(STORJ_FOLDER))
             {
-                options.TryGetValue(STORJ_FOLDER, out _folder);
-                if (string.IsNullOrEmpty(_folder))
-                    _folder = options[TARDIGRADE_FOLDER];
+                _folder = options[STORJ_FOLDER];
             }
         }
 
@@ -162,16 +138,6 @@ namespace Duplicati.Library.Backend.Tardigrade
             get
             {
                 return new List<ICommandLineArgument>(new ICommandLineArgument[] {
-                    //Obsolete ones
-                    new CommandLineArgument(TARDIGRADE_AUTH_METHOD, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjAuthMethodDescriptionShort, Strings.Storj.StorjAuthMethodDescriptionLong, "API key", null, null, "This is deprecated, use storj-auth-method instead"),
-                    new CommandLineArgument(TARDIGRADE_SATELLITE, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjSatelliteDescriptionShort, Strings.Storj.StorjSatelliteDescriptionLong, "us1.storj.io:7777", null, null, "This is deprecated, use storj-satellite instead"),
-                    new CommandLineArgument(TARDIGRADE_API_KEY, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjAPIKeyDescriptionShort, Strings.Storj.StorjAPIKeyDescriptionLong, null, null, null, "This is deprecated, use storj-api-key instead"),
-                    new CommandLineArgument(TARDIGRADE_SECRET, CommandLineArgument.ArgumentType.Password, Strings.Storj.StorjSecretDescriptionShort, Strings.Storj.StorjSecretDescriptionLong, null, null, null, "This is deprecated, use storj-secret instead"),
-                    new CommandLineArgument(TARDIGRADE_SHARED_ACCESS, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjSharedAccessDescriptionShort, Strings.Storj.StorjSharedAccessDescriptionLong, null, null, null, "This is deprecated, use storj-shared-access instead"),
-                    new CommandLineArgument(TARDIGRADE_BUCKET, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjBucketDescriptionShort, Strings.Storj.StorjBucketDescriptionLong, null, null, null, "This is deprecated, use storj-bucket instead"),
-                    new CommandLineArgument(TARDIGRADE_FOLDER, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjFolderDescriptionShort, Strings.Storj.StorjFolderDescriptionLong, null, null, null, "This is deprecated, use storj-folder instead"),
-
-                    //Current ones
                     new CommandLineArgument(STORJ_AUTH_METHOD, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjAuthMethodDescriptionShort, Strings.Storj.StorjAuthMethodDescriptionLong, "API key"),
                     new CommandLineArgument(STORJ_SATELLITE, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjSatelliteDescriptionShort, Strings.Storj.StorjSatelliteDescriptionLong, "us1.storj.io:7777"),
                     new CommandLineArgument(STORJ_API_KEY, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjAPIKeyDescriptionShort, Strings.Storj.StorjAPIKeyDescriptionLong),
diff --git a/Duplicati/Library/Backend/Storj/StorjConfig.cs b/Duplicati/Library/Backend/Storj/StorjConfig.cs
index 5fea0da2d..7b449645f 100644
--- a/Duplicati/Library/Backend/Storj/StorjConfig.cs
+++ b/Duplicati/Library/Backend/Storj/StorjConfig.cs
@@ -5,7 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace Duplicati.Library.Backend.Tardigrade
+namespace Duplicati.Library.Backend.Storj
 {
     public class StorjConfig : IWebModule
     {
@@ -56,11 +56,11 @@ namespace Duplicati.Library.Backend.Tardigrade
             switch (ct)
             {
                 case ConfigType.Satellites:
-                    return Tardigrade.KNOWN_STORJ_SATELLITES;
+                    return Storj.KNOWN_STORJ_SATELLITES;
                 case ConfigType.AuthenticationMethods:
-                    return Tardigrade.KNOWN_AUTHENTICATION_METHODS;
+                    return Storj.KNOWN_AUTHENTICATION_METHODS;
                 default:
-                    return Tardigrade.KNOWN_STORJ_SATELLITES;
+                    return Storj.KNOWN_STORJ_SATELLITES;
             }
         }
         #endregion
diff --git a/Duplicati/Library/Backend/Storj/StorjFile.cs b/Duplicati/Library/Backend/Storj/StorjFile.cs
index 783273f16..626e25397 100644
--- a/Duplicati/Library/Backend/Storj/StorjFile.cs
+++ b/Duplicati/Library/Backend/Storj/StorjFile.cs
@@ -5,7 +5,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace Duplicati.Library.Backend.Tardigrade
+namespace Duplicati.Library.Backend.Storj
 {
     public class StorjFile : IFileEntry
     {
diff --git a/Duplicati/Library/Backend/Tardigrade/Duplicati.Library.Backend.Tardigrade.csproj b/Duplicati/Library/Backend/Tardigrade/Duplicati.Library.Backend.Tardigrade.csproj
new file mode 100644
index 000000000..a37d1d2e1
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/Duplicati.Library.Backend.Tardigrade.csproj
@@ -0,0 +1,130 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{AE035E01-C917-4F13-F35E-78F21C1A2F17}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Duplicati.Library.Backend.Tardigrade</RootNamespace>
+    <AssemblyName>Duplicati.Library.Backend.Tardigrade</AssemblyName>
+    <TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+    <NuGetPackageImportStamp>
+    </NuGetPackageImportStamp>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x64</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="SQLite-net, Version=1.7.335.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\sqlite-net-pcl.1.7.335\lib\netstandard2.0\SQLite-net.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.batteries_v2, Version=2.0.3.851, Culture=neutral, PublicKeyToken=8226ea5df37bcae9, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\SQLitePCLRaw.bundle_green.2.0.3\lib\net461\SQLitePCLRaw.batteries_v2.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.core, Version=2.0.3.851, Culture=neutral, PublicKeyToken=1488e028ca7ab535, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\SQLitePCLRaw.core.2.0.3\lib\netstandard2.0\SQLitePCLRaw.core.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.nativelibrary, Version=2.0.3.851, Culture=neutral, PublicKeyToken=502ed628492ab262, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\SQLitePCLRaw.bundle_green.2.0.3\lib\net461\SQLitePCLRaw.nativelibrary.dll</HintPath>
+    </Reference>
+    <Reference Include="SQLitePCLRaw.provider.dynamic_cdecl, Version=2.0.3.851, Culture=neutral, PublicKeyToken=b68184102cba0b3b, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\SQLitePCLRaw.provider.dynamic_cdecl.2.0.3\lib\netstandard2.0\SQLitePCLRaw.provider.dynamic_cdecl.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Buffers, Version=4.0.2.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\System.Buffers.4.4.0\lib\netstandard2.0\System.Buffers.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Core" />
+    <Reference Include="System.Memory, Version=4.0.1.1, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\System.Memory.4.5.3\lib\netstandard2.0\System.Memory.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Numerics" />
+    <Reference Include="System.Numerics.Vectors, Version=4.1.3.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\System.Numerics.Vectors.4.4.0\lib\net46\System.Numerics.Vectors.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\System.Runtime.CompilerServices.Unsafe.4.5.2\lib\netstandard2.0\System.Runtime.CompilerServices.Unsafe.dll</HintPath>
+    </Reference>
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+    <Reference Include="uplink.NET, Version=2.6.0.0, Culture=neutral, processorArchitecture=MSIL">
+      <HintPath>..\..\..\..\packages\uplink.NET.2.6.1451\lib\netstandard2.0\uplink.NET.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Strings.cs" />
+    <Compile Include="TardigradeBackend.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\Common\Duplicati.Library.Common.csproj">
+      <Project>{d63e53e4-a458-4c2f-914d-92f715f58acf}</Project>
+      <Name>Duplicati.Library.Common</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Interface\Duplicati.Library.Interface.csproj">
+      <Project>{c5899f45-b0ff-483c-9d38-24a9fcaab237}</Project>
+      <Name>Duplicati.Library.Interface</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Localization\Duplicati.Library.Localization.csproj">
+      <Project>{b68f2214-951f-4f78-8488-66e1ed3f50bf}</Project>
+      <Name>Duplicati.Library.Localization</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\..\Utility\Duplicati.Library.Utility.csproj">
+      <Project>{de3e5d4c-51ab-4e5e-bee8-e636cebfba65}</Project>
+      <Name>Duplicati.Library.Utility</Name>
+    </ProjectReference>
+    <ProjectReference Include="..\Storj\Duplicati.Library.Backend.Storj.csproj">
+      <Project>{ae035e01-c917-4f13-a35e-78f21c1a2f17}</Project>
+      <Name>Duplicati.Library.Backend.Storj</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="libstorj_uplink.dylib">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="libstorj_uplink.so">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Content Include="win-x64\storj_uplink.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+    <Content Include="win-x86\storj_uplink.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
+    <PropertyGroup>
+      <ErrorText>Dieses Projekt verweist auf mindestens ein NuGet-Paket, das auf diesem Computer fehlt. Verwenden Sie die Wiederherstellung von NuGet-Paketen, um die fehlenden Dateien herunterzuladen. Weitere Informationen finden Sie unter "http://go.microsoft.com/fwlink/?LinkID=322105". Die fehlende Datei ist "{0}".</ErrorText>
+    </PropertyGroup>
+    <Error Condition="!Exists('..\..\..\..\packages\SQLitePCLRaw.lib.e_sqlite3.2.0.3\build\net461\SQLitePCLRaw.lib.e_sqlite3.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\..\..\..\packages\SQLitePCLRaw.lib.e_sqlite3.2.0.3\build\net461\SQLitePCLRaw.lib.e_sqlite3.targets'))" />
+  </Target>
+  <Import Project="..\..\..\..\packages\SQLitePCLRaw.lib.e_sqlite3.2.0.3\build\net461\SQLitePCLRaw.lib.e_sqlite3.targets" Condition="Exists('..\..\..\..\packages\SQLitePCLRaw.lib.e_sqlite3.2.0.3\build\net461\SQLitePCLRaw.lib.e_sqlite3.targets')" />
+</Project>
\ No newline at end of file
diff --git a/Duplicati/Library/Backend/Tardigrade/Properties/AssemblyInfo.cs b/Duplicati/Library/Backend/Tardigrade/Properties/AssemblyInfo.cs
new file mode 100644
index 000000000..5f3cc907e
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/Properties/AssemblyInfo.cs
@@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("Duplicati.Library.Backend.Tardigrade")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("Duplicati.Library.Backend.Tardigrade")]
+[assembly: AssemblyCopyright("Copyright ©  2020")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf FALSE werden die Typen in dieser Assembly
+// für COM-Komponenten unsichtbar.  Wenn Sie auf einen Typ in dieser Assembly von
+// COM aus zugreifen müssen, sollten Sie das ComVisible-Attribut für diesen Typ auf "True" festlegen.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("ae035e01-c917-4f13-a35e-78f21c1a2f17")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder Standardwerte für die Build- und Revisionsnummern verwenden,
+// indem Sie "*" wie unten gezeigt eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Duplicati/Library/Backend/Tardigrade/Strings.cs b/Duplicati/Library/Backend/Tardigrade/Strings.cs
new file mode 100644
index 000000000..4d4eda2f1
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/Strings.cs
@@ -0,0 +1,15 @@
+using Duplicati.Library.Localization.Short;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Duplicati.Library.Backend.Strings
+{
+    internal static class Tardigrade
+    {
+        public static string DisplayName { get { return LC.L(@"Tardigrade Decentralised Cloud Storage"); } }
+        public static string Description { get { return LC.L(@"This backend can read and write data to the Tardigrade Decentralized Cloud Storage. It is deprecated - please move over to the new Storj DCS."); } }
+    }
+}
diff --git a/Duplicati/Library/Backend/Tardigrade/TardigradeBackend.cs b/Duplicati/Library/Backend/Tardigrade/TardigradeBackend.cs
new file mode 100644
index 000000000..2ef32099f
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/TardigradeBackend.cs
@@ -0,0 +1,80 @@
+using Duplicati.Library.Interface;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading;
+using System.Threading.Tasks;
+using uplink.NET.Interfaces;
+using uplink.NET.Models;
+using uplink.NET.Services;
+
+namespace Duplicati.Library.Backend.Tardigrade
+{
+
+    /// <summary>
+    /// This backend is deprecated! It will be removed in the future.
+    /// Tardigrade renamed to Storj DCS in Spring 2021 - but existing Tardigrade-Configurations could not be easily renamed.
+    /// So we decided to "copy" Tardigrade over to the new name Storj DCS. In order to reduce duplicate code, the old
+    /// Tardigrade-Backend hands it's logic over to Storj DCS. Only the UI-specific part, the config-parameters and
+    /// the protocol-key stay here named for Tardigrade.
+    /// </summary>
+    public class Tardigrade : Duplicati.Library.Backend.Storj.Storj
+    {
+        private const string TARDIGRADE_AUTH_METHOD = "tardigrade-auth-method";
+        private const string TARDIGRADE_SATELLITE = "tardigrade-satellite";
+        private const string TARDIGRADE_API_KEY = "tardigrade-api-key";
+        private const string TARDIGRADE_SECRET = "tardigrade-secret";
+        private const string TARDIGRADE_SHARED_ACCESS = "tardigrade-shared-access";
+        private const string TARDIGRADE_BUCKET = "tardigrade-bucket";
+        private const string TARDIGRADE_FOLDER = "tardigrade-folder";
+
+        private const string PROTOCOL_KEY = "tardigrade";
+
+        // ReSharper disable once UnusedMember.Global
+        // This constructor is needed by the BackendLoader.
+        public Tardigrade():base()
+        {
+        }
+
+        // ReSharper disable once UnusedMember.Global
+        // This constructor is needed by the BackendLoader.
+        public Tardigrade(string url, Dictionary<string, string> options) :base(url, options)
+        {
+        }
+
+        public new string DisplayName
+        {
+            get { return Strings.Tardigrade.DisplayName; }
+        }
+
+        public new string ProtocolKey => PROTOCOL_KEY;
+
+        public new IList<ICommandLineArgument> SupportedCommands
+        {
+            get
+            {
+                return new List<ICommandLineArgument>(new ICommandLineArgument[] {
+                    new CommandLineArgument(TARDIGRADE_AUTH_METHOD, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjAuthMethodDescriptionShort, Strings.Storj.StorjAuthMethodDescriptionLong, "API key", null, null),
+                    new CommandLineArgument(TARDIGRADE_SATELLITE, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjSatelliteDescriptionShort, Strings.Storj.StorjSatelliteDescriptionLong, "us1.storj.io:7777", null, null),
+                    new CommandLineArgument(TARDIGRADE_API_KEY, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjAPIKeyDescriptionShort, Strings.Storj.StorjAPIKeyDescriptionLong, null, null, null),
+                    new CommandLineArgument(TARDIGRADE_SECRET, CommandLineArgument.ArgumentType.Password, Strings.Storj.StorjSecretDescriptionShort, Strings.Storj.StorjSecretDescriptionLong, null, null, null),
+                    new CommandLineArgument(TARDIGRADE_SHARED_ACCESS, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjSharedAccessDescriptionShort, Strings.Storj.StorjSharedAccessDescriptionLong, null, null, null),
+                    new CommandLineArgument(TARDIGRADE_BUCKET, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjBucketDescriptionShort, Strings.Storj.StorjBucketDescriptionLong, null, null, null),
+                    new CommandLineArgument(TARDIGRADE_FOLDER, CommandLineArgument.ArgumentType.String, Strings.Storj.StorjFolderDescriptionShort, Strings.Storj.StorjFolderDescriptionLong, null, null, null),
+                });
+            }
+        }
+
+        public new string Description
+        {
+            get
+            {
+                return Strings.Tardigrade.Description;
+            }
+        }
+    }
+}
diff --git a/Duplicati/Library/Backend/Tardigrade/libstorj_uplink.dylib b/Duplicati/Library/Backend/Tardigrade/libstorj_uplink.dylib
new file mode 100644
index 000000000..a3e4de942
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/libstorj_uplink.dylib
diff --git a/Duplicati/Library/Backend/Tardigrade/libstorj_uplink.so b/Duplicati/Library/Backend/Tardigrade/libstorj_uplink.so
new file mode 100644
index 000000000..0ecab8ba8
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/libstorj_uplink.so
diff --git a/Duplicati/Library/Backend/Tardigrade/packages.config b/Duplicati/Library/Backend/Tardigrade/packages.config
new file mode 100644
index 000000000..1592ab1f8
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/packages.config
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="sqlite-net-pcl" version="1.7.335" targetFramework="net471" />
+  <package id="SQLitePCLRaw.bundle_green" version="2.0.3" targetFramework="net471" />
+  <package id="SQLitePCLRaw.core" version="2.0.3" targetFramework="net471" />
+  <package id="SQLitePCLRaw.lib.e_sqlite3" version="2.0.3" targetFramework="net471" />
+  <package id="SQLitePCLRaw.provider.dynamic_cdecl" version="2.0.3" targetFramework="net471" />
+  <package id="System.Buffers" version="4.4.0" targetFramework="net471" />
+  <package id="System.Memory" version="4.5.3" targetFramework="net471" />
+  <package id="System.Numerics.Vectors" version="4.4.0" targetFramework="net471" />
+  <package id="System.Runtime.CompilerServices.Unsafe" version="4.5.2" targetFramework="net471" />
+  <package id="uplink.NET" version="2.6.1451" targetFramework="net471" />
+</packages>
\ No newline at end of file
diff --git a/Duplicati/Library/Backend/Tardigrade/win-x64/storj_uplink.dll b/Duplicati/Library/Backend/Tardigrade/win-x64/storj_uplink.dll
new file mode 100644
index 000000000..8b42a9c6b
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/win-x64/storj_uplink.dll
diff --git a/Duplicati/Library/Backend/Tardigrade/win-x86/storj_uplink.dll b/Duplicati/Library/Backend/Tardigrade/win-x86/storj_uplink.dll
new file mode 100644
index 000000000..c34a75d19
--- /dev/null
+++ b/Duplicati/Library/Backend/Tardigrade/win-x86/storj_uplink.dll