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Jon Elverkilde
authored
Merge pull request #112 from pusher/feature/E2E-encryption
Feature: end-to-end encryption for private encrypted channels
2 parents 7810cda + 948fdb6 commit 4481174

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‎.github/workflows/build.yml

+10-3
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@@ -26,6 +26,13 @@ jobs:
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PUSHER_APP_KEY: ${{ secrets.CI_APP_KEY }}
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PUSHER_APP_SECRET: ${{ secrets.CI_APP_SECRET }}
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PUSHER_APP_CLUSTER: ${{ secrets.CI_APP_CLUSTER }}
29-
run: vstest.console.exe /Parallel /Platform:x64 "./PusherClient.Tests/bin/Release/PusherClient.Tests.dll" /TestAdapterPath:"./PusherClient.Tests/bin/Release/"
30-
- name: Test pack
31-
run: msbuild /t:Pack /p:configuration=release PusherClient/PusherClient.csproj
29+
run: vstest.console.exe /Parallel /Platform:x64 "./PusherClient.Tests/bin/Release/net45/PusherClient.Tests.dll" /TestAdapterPath:"./PusherClient.Tests/bin/Release/net45"
30+
- name: Write code signing key
31+
env:
32+
CI_CODE_SIGN_KEY: ${{ secrets.CI_CODE_SIGN_KEY }}
33+
run: |
34+
./StrongName/WritePusherKey.ps1
35+
- name: Test strong name signing
36+
run: msbuild /p:SignAssembly=true /p:deterministic=true /p:msbuildArchitecture=x64 /p:configuration=Release pusher-dotnet-client.sln
37+
- name: Test pack with strong named assembly
38+
run: msbuild /t:Pack /p:SignAssembly=true /p:configuration=release PusherClient/PusherClient.csproj

‎.github/workflows/publish.yml

+7-2
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@@ -15,9 +15,14 @@ jobs:
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uses: microsoft/[email protected]
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- name: Restore dependencies
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run: nuget restore pusher-dotnet-client.sln
18+
- name: Write code signing key
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env:
20+
CI_CODE_SIGN_KEY: ${{ secrets.CI_CODE_SIGN_KEY }}
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run: |
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./StrongName/WritePusherKey.ps1
1823
- name: Build
19-
run: msbuild /p:deterministic=true /p:msbuildArchitecture=x64 /p:configuration=Release pusher-dotnet-client.sln
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run: msbuild /p:SignAssembly=true /p:deterministic=true /p:msbuildArchitecture=x64 /p:configuration=Release pusher-dotnet-client.sln
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- name: Pack
21-
run: msbuild /t:Pack /p:configuration=release PusherClient/PusherClient.csproj
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run: msbuild /t:Pack /p:SignAssembly=true /p:configuration=release PusherClient/PusherClient.csproj
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- name: Publish
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run: nuget push PusherClient\bin\release\PusherClient.*.nupkg -NonInteractive -Source https://api.nuget.org/v3/index.json -SkipDuplicate -ApiKey ${{ secrets.NUGET_API_KEY }}

‎.gitignore

+3
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@@ -35,6 +35,9 @@ TestResults/
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# Secrets file
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AppConfig.test.json
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# Signing key
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PusherClient.snk
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# Custom
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_ReSharper.*/
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packages/

‎AuthHost/App.config

-11
Original file line numberDiff line numberDiff line change
@@ -3,15 +3,4 @@
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<appSettings>
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<add key="Port" value="8888" />
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</appSettings>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1" />
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</startup>
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<runtime>
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<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
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<dependentAssembly>
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<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
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<bindingRedirect oldVersion="0.0.0.0-12.0.0.0" newVersion="12.0.0.0" />
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</dependentAssembly>
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</assemblyBinding>
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</runtime>
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</configuration>

‎AuthHost/AuthHost.csproj

+19-125
Original file line numberDiff line numberDiff line change
@@ -1,134 +1,28 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
1+
<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
5-
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProjectGuid>{218EE921-5E27-4E15-9382-42DD2F40857C}</ProjectGuid>
3+
<TargetFrameworks>net45</TargetFrameworks>
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<IsPackable>false</IsPackable>
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<OutputType>Exe</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>AuthHost</RootNamespace>
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<AssemblyName>AuthHost</AssemblyName>
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<TargetFrameworkVersion>v4.7.1</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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<TargetFrameworkProfile />
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<NuGetPackageImportStamp>
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</NuGetPackageImportStamp>
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<Authors>Pusher</Authors>
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<Company>Pusher.com</Company>
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<Product>PusherClient</Product>
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<Copyright>Copyright © Pusher 2021</Copyright>
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<Description>An example authentication host for use with the Pusher example app</Description>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<Prefer32Bit>false</Prefer32Bit>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<PlatformTarget>AnyCPU</PlatformTarget>
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<Prefer32Bit>false</Prefer32Bit>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="Microsoft.Threading.Tasks, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
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</Reference>
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<Reference Include="Microsoft.Threading.Tasks.Extensions, Version=1.0.12.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
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</Reference>
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<Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop, Version=1.0.168.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
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</Reference>
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<Reference Include="Nancy, Version=1.4.4.0, Culture=neutral, processorArchitecture=MSIL">
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<HintPath>..\packages\Nancy.1.4.4\lib\net40\Nancy.dll</HintPath>
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</Reference>
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<Reference Include="Nancy.Hosting.Self, Version=1.4.1.0, Culture=neutral, processorArchitecture=MSIL">
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<HintPath>..\packages\Nancy.Hosting.Self.1.4.1\lib\net40\Nancy.Hosting.Self.dll</HintPath>
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</Reference>
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<Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
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<HintPath>..\packages\Newtonsoft.Json.12.0.3\lib\net45\Newtonsoft.Json.dll</HintPath>
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</Reference>
58-
<Reference Include="PusherServer, Version=4.4.0.0, Culture=neutral, processorArchitecture=MSIL">
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<HintPath>..\packages\PusherServer.4.4.0\lib\net45\PusherServer.dll</HintPath>
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</Reference>
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<Reference Include="SuperSocket.ClientEngine, Version=0.10.0.0, Culture=neutral, PublicKeyToken=ee9af13f57f00acc, processorArchitecture=MSIL">
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<HintPath>..\packages\SuperSocket.ClientEngine.Core.0.10.0\lib\net45\SuperSocket.ClientEngine.dll</HintPath>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.ComponentModel.Composition" />
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<Reference Include="System.Configuration" />
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<Reference Include="System.Core" />
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<Reference Include="System.Linq, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Linq.4.3.0\lib\net463\System.Linq.dll</HintPath>
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<Private>True</Private>
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<Private>True</Private>
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</Reference>
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<Reference Include="System.Net" />
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<Reference Include="System.Net.Http" />
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<Reference Include="System.Runtime, Version=4.1.1.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Runtime.4.3.1\lib\net462\System.Runtime.dll</HintPath>
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<Private>True</Private>
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<Private>True</Private>
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</Reference>
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<Reference Include="System.Runtime.Extensions, Version=4.1.1.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
81-
<HintPath>..\packages\System.Runtime.Extensions.4.3.1\lib\net462\System.Runtime.Extensions.dll</HintPath>
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<Private>True</Private>
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<Private>True</Private>
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</Reference>
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<Reference Include="System.Runtime.InteropServices, Version=4.1.1.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Runtime.InteropServices.4.3.0\lib\net463\System.Runtime.InteropServices.dll</HintPath>
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<Private>True</Private>
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<Private>True</Private>
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</Reference>
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<Reference Include="System.Text.RegularExpressions, Version=4.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
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<HintPath>..\packages\System.Text.RegularExpressions.4.3.1\lib\net463\System.Text.RegularExpressions.dll</HintPath>
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<Private>True</Private>
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<Private>True</Private>
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</Reference>
95-
<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
98-
<Reference Include="System.Data" />
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<Reference Include="System.Xml" />
100-
<Reference Include="WebSocket4Net, Version=0.15.2.11, Culture=neutral, PublicKeyToken=eb4e154b696bf72a, processorArchitecture=MSIL">
101-
<HintPath>..\packages\WebSocket4Net.0.15.2\lib\net45\WebSocket4Net.dll</HintPath>
102-
</Reference>
103-
</ItemGroup>
12+
10413
<ItemGroup>
105-
<Compile Include="AuthModule.cs" />
106-
<Compile Include="Program.cs" />
107-
<Compile Include="Properties\AssemblyInfo.cs" />
14+
<PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
15+
<PackageReference Include="Nancy" Version="1.4.4" />
16+
<PackageReference Include="Nancy.Hosting.Self" Version="1.4.1" />
17+
<PackageReference Include="PusherServer" Version="4.6.0" />
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</ItemGroup>
19+
10920
<ItemGroup>
110-
<None Include="App.config" />
111-
<None Include="packages.config" />
21+
<Reference Include="System.Configuration" />
11222
</ItemGroup>
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11324
<ItemGroup>
114-
<ProjectReference Include="..\PusherClient.Tests.Utilities\PusherClient.Tests.Utilities.csproj">
115-
<Project>{00f1f3be-1210-4d06-89ca-f1e17898384c}</Project>
116-
<Name>PusherClient.Tests.Utilities</Name>
117-
</ProjectReference>
25+
<ProjectReference Include="..\PusherClient.Tests.Utilities\PusherClient.Tests.Utilities.csproj" />
11826
</ItemGroup>
119-
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
120-
<Import Project="..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" />
121-
<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
122-
<PropertyGroup>
123-
<ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
124-
</PropertyGroup>
125-
<Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.Bcl.Build.1.0.21\build\Microsoft.Bcl.Build.targets'))" />
126-
</Target>
127-
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
128-
Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>
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</Project>

‎AuthHost/AuthModule.cs

+38-2
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@@ -1,5 +1,7 @@
11
using System;
2+
using System.Threading.Tasks;
23
using Nancy;
4+
using PusherClient;
35
using PusherClient.Tests.Utilities;
46
using PusherServer;
57

@@ -14,9 +16,16 @@ public class AuthModule : NancyModule
1416

1517
public string PusherApplicationSecret => Config.AppSecret;
1618

19+
public const string EncryptionMasterKeyText = "Rk4twMwEogcmx5dpV+6puT+nNidXoRd3smLvWR57FbQ=";
20+
1721
public AuthModule()
1822
{
19-
var provider = new Pusher(PusherApplicationId, PusherApplicationKey, PusherApplicationSecret);
23+
PusherServer.PusherOptions options = new PusherServer.PusherOptions
24+
{
25+
EncryptionMasterKey = Convert.FromBase64String(EncryptionMasterKeyText),
26+
Cluster = Config.Cluster,
27+
};
28+
var provider = new PusherServer.Pusher(PusherApplicationId, PusherApplicationKey, PusherApplicationSecret, options);
2029

2130
Post["/auth/{username}", ctx => ctx.Request.Form.channel_name && ctx.Request.Form.socket_id] = _ =>
2231
{
@@ -27,7 +36,7 @@ public AuthModule()
2736

2837
string authData = null;
2938

30-
if (channelName.StartsWith("presence-"))
39+
if (Channel.GetChannelType(channelName) == ChannelTypes.Presence)
3140
{
3241
var channelData = new PresenceChannelData
3342
{
@@ -42,8 +51,35 @@ public AuthModule()
4251
authData = provider.Authenticate(channelName, socketId).ToJson();
4352
}
4453

54+
if (Channel.GetChannelType(channelName) == ChannelTypes.PrivateEncrypted)
55+
{
56+
#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
57+
SendSecretMessageAsync();
58+
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
59+
}
60+
4561
return authData;
4662
};
4763
}
64+
65+
private async Task SendSecretMessageAsync()
66+
{
67+
await Task.Delay(5000).ConfigureAwait(false);
68+
PusherServer.PusherOptions options = new PusherServer.PusherOptions
69+
{
70+
EncryptionMasterKey = Convert.FromBase64String(EncryptionMasterKeyText),
71+
Cluster = Config.Cluster,
72+
};
73+
string channelName = "private-encrypted-channel";
74+
string eventName = "secret-event";
75+
var provider = new PusherServer.Pusher(PusherApplicationId, PusherApplicationKey, PusherApplicationSecret, options);
76+
string secretMessage = $"sent secret at {DateTime.Now} on '{channelName}' using event '{eventName}'.";
77+
await provider.TriggerAsync(channelName, eventName, new
78+
{
79+
Name = nameof(AuthModule),
80+
Message = secretMessage,
81+
}).ConfigureAwait(false);
82+
Console.WriteLine(secretMessage);
83+
}
4884
}
4985
}

‎AuthHost/Properties/AssemblyInfo.cs

-36
This file was deleted.

‎AuthHost/packages.config

-18
This file was deleted.

‎CHANGELOG.md

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11
# Changelog
22

3+
## 2.1.0
4+
* [ADDED] Strong name to the PusherClient assembly.
5+
* [ADDED] Support for the authentication header on the HttpAuthorizer.
6+
* [ADDED] End-to-end encryption for private encrypted channels.
7+
* [ADDED] Method Channel.UnsubscribeAsync.
8+
* [ADDED] Host to PusherOptions.
9+
* [FIXED] The intermittent WebsocketAutoReconnect issue The socket is connecting, cannot connect again!
10+
311
## 2.0.1
412
* [FIXED] Filter on event name in event emitter.
513

‎ExampleApplication/App.config

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<?xml version="1.0" encoding="utf-8"?>
22
<configuration>
3-
<startup>
4-
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.1" />
5-
</startup>
63
<system.diagnostics>
74
<sources>
85
<source name="Pusher" switchValue="Information, Warning, Error">
@@ -13,16 +10,4 @@
1310
</sources>
1411
<trace autoflush="true" />
1512
</system.diagnostics>
16-
<runtime>
17-
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
18-
<dependentAssembly>
19-
<assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
20-
<bindingRedirect oldVersion="0.0.0.0-12.0.0.0" newVersion="12.0.0.0" />
21-
</dependentAssembly>
22-
<dependentAssembly>
23-
<assemblyIdentity name="System.Runtime.Extensions" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
24-
<bindingRedirect oldVersion="0.0.0.0-4.1.1.0" newVersion="4.1.1.0" />
25-
</dependentAssembly>
26-
</assemblyBinding>
27-
</runtime>
2813
</configuration>

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