trigger: none 

variables:
  - name: BuildXL.LogsDirectory
    value: $(Build.SourcesDirectory)\Out\Logs\pr-$(Build.BuildNumber)
  - name: BuildXL.PreReleaseTag
    value: pr.public.apiscan
  - name: BuildXL.SemanticVersion
    value: 0.0.$(Build.BuildNumber)
  - name: BuildXL.Configuration
    value: Release
  - name: Codeql.Enabled
    value: false
  - name: ServiceConnection.ID
    value: f8d656f9-65f2-4c67-93ba-fb4ec491e20e

jobs:
- job: APIScan
  displayName: APIScan
  timeoutInMinutes: 120
  cancelTimeoutInMinutes: 1
  pool:
    name: BuildXL-DevOpsAgents-Selfhost
    os: windows
  steps:
  - checkout: self
    fetchDepth: 1

  - template: /.azdo/common/journaling.yml # Enable journaling
  - template: /.azdo/common/set-msvc-version.yml

  # It should give us enough coverage to run with the default qualifier
  # We only care to scan binaries we produce, so we are using an output filter pointing to the Out\Bin\$(BuildXL.Configuration)\win-x64 folder
  - task: CmdLine@2
    displayName: BuildXL (cscDebugType=pdbOnly) 
    inputs:
      script: 'bxl.cmd -DeployConfig $(BuildXL.Configuration) /p:[Sdk.BuildXL]microsoftInternal=0 /p:[Sdk.BuildXL]cscDebugType=pdbOnly /logsDirectory:$(BuildXL.LogsDirectory) /p:[BuildXL.Branding]SemanticVersion=$(BuildXL.SemanticVersion) /p:[BuildXL.Branding]PrereleaseTag=$(BuildXL.PreReleaseTag) /logOutput:FullOutputOnWarningOrError /processRetries:3 Out\Bin\$(BuildXL.Configuration)\win-x64\*'

  - task: PublishPipelineArtifact@1
    displayName: Upload logs
    condition: always()
    continueOnError: True
    inputs:
      path: $(BuildXL.LogsDirectory)
      artifactName: BuildXL logs

  # Some of the DLLs in the BuildXL deployment correspond to stock libraries brought in via NuGet. We only want to scan our very own BuildXL DLLs, so
  # we use the produced PDBs as an indicator of that. As a way to isolate them and only scan those, we use separate binaries & symbols directories, where only
  # the identified DLLs are copied
  - powershell: |
      $bxlDir = '$(Build.SourcesDirectory)\Out\Bin\Release\win-x64'
      $binariesDir = '$(Agent.TempDirectory)\APIScan\Binaries'
      $symbolsDir = '$(Agent.TempDirectory)\APIScan\Symbols'

      New-Item -Path $binariesDir -ItemType Directory
      New-Item -Path $symbolsDir -ItemType Directory

       # Get all the .pdb, .dll and .exe files from bxlDir recursively
      $pdbFiles = Get-ChildItem -Path $bxlDir -Filter "*.pdb" -Recurse
      $dllFiles = Get-ChildItem -Path $bxlDir -Filter "*.dll" -Recurse

      Write-Host "Copying files from '$($bxlDir)' to '$($symbolsDir)'"

      # Copy all .pdb files to symbolsDir
      $pdbFiles | ForEach-Object {
          Copy-Item -Path $_.FullName -Destination $symbolsDir
          Write-Host "Copying '$($_.FullName)'"
      }

      # Loop through each .pdb file
      # TODO: there might be dlls with duplicate name in nested directories that actually target different frameworks. We should maybe
      # instead do a recursive copy preserving the dir structure and make apiscan perform a recursive scan
      foreach ($pdbFile in $pdbFiles) {
          # Check if there's a .dll or .exe file with the same name
          $matchingDllFile = $dllFiles | Where-Object { $_.BaseName -eq $pdbFile.BaseName }
        
          # Copy the matching .dll and files to binariesDir
          if ($null -ne $matchingDllFile) {
              Copy-Item -Path $matchingDllFile.FullName -Destination $binariesDir
              Write-Host "Copying '$($matchingDllFile.FullName)'"
          }
      }
    failOnStderr: true
    displayName: 'Prepare binary and symbol file'
    continueOnError: false
  
  - task: AzureCLI@2
    displayName: 'Get service connection details'
    inputs:
      azureSubscription: 'BuildXL - APIScan'
      addSpnToEnvironment: true
      scriptType: bash
      scriptLocation: 'inlineScript'
      inlineScript: |
        echo "##vso[task.setvariable variable=APIScan-clientId;]$servicePrincipalId"
        echo "##vso[task.setvariable variable=APIScan-tenantId;]$tenantId"

  - task: APIScan@2
    displayName: 'Run APIScan via Guardian'
    env:
      AzureServicesAuthConnectionString: RunAs=App;AppId=$(APIScan-clientId);TenantId=$(APIScan-tenantId);ServiceConnectionId=$(ServiceConnection.ID);
      SYSTEM_ACCESSTOKEN: $(System.AccessToken)
    inputs:
      softwareFolder: '$(Agent.TempDirectory)\APIScan\Binaries'
      softwareName: 'BuildXL'
      softwareVersionNum: '$(BuildXL.SemanticVersion)'
      softwareBuildNum: '$(Build.BuildId)'
      symbolsFolder: 'SRV*https://symweb.azurefd.net;$(Agent.TempDirectory)\APIScan\Symbols'
      azureSubscription: 'BuildXL - APIScan'
  
  - task: PostAnalysis@2
    continueOnError: true
    inputs:
      GdnBreakAllTools: false
      GdnBreakGdnToolApiScan: true
      GdnBreakGdnToolApiScanSeverity: 'Warning'


  # Publish the analysis artifacts
  - task: PublishSecurityAnalysisLogs@3
    condition: always()
    inputs:
      ArtifactName: 'CodeAnalysisLog'
      ArtifactType: 'Container'
      AllTools: false
      APIScan: true
      ToolLogsNotFoundAction: 'Standard'