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UWP project failed on GitHub Actions because certificate is invalid APPX0107

I have a project in GitHub that have UWP project in here.

I want to setup GitHub Actions for this project with this main.yml configuration

When GitHub Actions want to build my solution with below commands

- name: Library build

  run: |

    cd src

    nuget restore

    msbuild PCLAppConfig.sln /verbosity:normal /t:Rebuild /p:Configuration=Release

I see failed error with below error in UWP building

2020-03-23T13:07:20.1871936Z "D:\a\PCLAppConfig\PCLAppConfig\src\PCLAppConfig.sln" (Rebuild target) (1) ->
2020-03-23T13:07:20.1872322Z "D:\a\PCLAppConfig\PCLAppConfig\src\DemoApp\DemoApp.UWP\DemoApp.UWP.csproj" (Rebuild target) (10) ->
2020-03-23T13:07:20.1872524Z (_GenerateCurrentProjectAppxManifest target) -> 
2020-03-23T13:07:20.1872807Z   C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Microsoft\VisualStudio\v16.0\AppxPackage\Microsoft.AppXPackage.Targets(2650,5): warning APPX0107: The certificate specified is not valid for signing. For more information about valid certificates, see http://go.microsoft.com/fwlink/?LinkID=241478. [D:\a\PCLAppConfig\PCLAppConfig\src\DemoApp\DemoApp.UWP\DemoApp.UWP.csproj]
2020-03-23T13:07:20.1873172Z 
2020-03-23T13:07:20.1873447Z 
2020-03-23T13:07:20.1873657Z "D:\a\PCLAppConfig\PCLAppConfig\src\PCLAppConfig.sln" (Rebuild target) (1) ->
2020-03-23T13:07:20.1873802Z "D:\a\PCLAppConfig\PCLAppConfig\src\DemoApp\DemoApp.UWP\DemoApp.UWP.csproj" (Rebuild target) (10) ->
2020-03-23T13:07:20.1873935Z (_GenerateAppxPackageFile target) -> 
2020-03-23T13:07:20.1874153Z   C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\MSBuild\Microsoft\VisualStudio\v16.0\AppxPackage\Microsoft.AppXPackage.Targets(3402,5): error APPX0107: The certificate specified is not valid for signing. For more information about valid certificates, see http://go.microsoft.com/fwlink/?LinkID=241478. [D:\a\PCLAppConfig\PCLAppConfig\src\DemoApp\DemoApp.UWP\DemoApp.UWP.csproj]
2020-03-23T13:07:20.1874919Z 
2020-03-23T13:07:20.1875022Z     4 Warning(s)
2020-03-23T13:07:20.1875125Z     1 Error(s)
2020-03-23T13:07:20.1875697Z 
2020-03-23T13:07:20.1875988Z Time Elapsed 00:03:28.50
2020-03-23T13:07:20.6575030Z ##[error]Process completed with exit code 1.

the note is if I run msbuild PCLAppConfig.sln /verbosity:normal /t:Rebuild /p:Configuration=Release in local computer, build is successfully and does not have any error, and I can run UWP app locally.

My question is what is my problem? and how can I resolve this?

Solution

  • You should set the PackageCertificateKeyFile and sure the file push to the GitHub. And you should add the password to your pfx file.

        /p:PackageCertificateKeyFile=Package_TemporaryKey.pfx /p:PackageCertificatePassword="123"

    Please replace the Package_TemporaryKey.pfx and the password.

    If you do not want to push the pfx file to GitHub that you can use github secrets

    The first is parse the pfx file as base64 string.

    The second is set the pfx file base64 string to github secrets.

    And then you can use this base64 string before you start build.

    Decode the Base64 encoded Pfx
- name: Decode the Pfx
  run: |
    $pfx_cert_byte = [System.Convert]::FromBase64String("${{ secrets.Base64_Encoded_Pfx }}")
    $currentDirectory = Get-Location
    $certificatePath = Join-Path -Path $currentDirectory -ChildPath $env:Wap_Project_Directory -AdditionalChildPath $env:SigningCertificate
    [IO.File]::WriteAllBytes("$certificatePath", $pfx_cert_byte)

    And you can find my sample code in github

    Edit

    I read your code and found the DemoApp.UWP_TemporaryKey.pfx and Windows_TemporaryKey.pfx file. Because my Internet speed is very poor, and could you clean your code by git clean -xdf and then use commandline to compile in locally? Maybe you should explicitly specify which file to use.