Invoke-Uplift-ActionResourceDownload.ps1
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# helpers . "$PSScriptRoot/Invoke-Uplift-ActionResourceDownloadVS17.ps1" function Get-LatestStatus($resourceContainer, $customFileName = $null) { Write-DebugMessage "[~] checking /latest status" Write-DebugMessage " - customFileName: $customFileName" $filePath = $resourceContainer.LatestFilePath $checksumPath = $resourceContainer.LatestChecksumFilePath $metadataPath = $resourceContainer.LatestMetadataFilePath if($null -ne $customFileName) { $filePath = Join-Path -Path $resourceContainer.LatestDirPath -ChildPath $customFileName $checksumPath = "$filePath.sha256" } $fileOk = Test-Path $filePath $checksumOk = Test-Path $checksumPath $metadataOk = Test-Path $metadataPath Write-DebugMessage "- fileOk : $fileOk $($filePath)" Write-DebugMessage "- checksumOk: $checksumOk $($checksumPath)" Write-DebugMessage "- metadataOk: $metadataOk $($metadataPath)" return ( $fileOk -and $checksumOk -and $metadataOk) } function Write-LatestMetadata($resourceContainer, $customFileName) { Write-DebugMessage "[+] saving metadata file" $fileName = $resourceContainer.ResourceFileName if($null -ne $customFileName) { $fileName = $customFileName } $metadata = New-Object PSObject -Property @{} $metadataPath = $resourceContainer.LatestMetadataFilePath $metadata | Add-Member -Name 'file_name' ` -Type NoteProperty -Force -Value $fileName # checksum file always follows name convention: # "file-name.extention" + ".sha256" # we should not even expose it here # $metadata | Add-Member -Name 'checksum_file_name' ` # -Type NoteProperty -Force -Value ($resourceContainer.ResourceFileName + ".sha256") $metadataJSON = $metadata | ConvertTo-Json -Depth 10 Write-DebugMessage "metadata path: $metadataPath" Write-DebugMessage "metadata json: $metadataJSON" $metadataJSON | Out-File $metadataPath -Force } function New-ChecksumFile { [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSShouldProcess", "", Scope="Function")] [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseShouldProcessForStateChangingFunctions", "", Scope="Function")] param( $originalFilePath, $checksumType = "SHA256" ) $originalFileName = (Split-Path $originalFilePath -Leaf) $originalFileChecksum = Get-FileHash -Algorithm $checksumType $originalFilePath $checksumFilePath = ("$originalFilePath.$checksumType").ToLower() $checksumFileValue = $originalFileChecksum.Hash.ToUpper() + " " + $originalFileName Write-DebugMessage "[+] saving checksum file" Write-DebugMessage " - path : $checksumFilePath" Write-DebugMessage " - value: $originalFileChecksum" Write-DebugMessage " - checksumFileValue: $checksumFileValue" $checksumFileValue | Out-File $checksumFilePath -Force | Out-Null } function Get-ResourceContainer($resource, $dstDir, $force = $false) { Write-DebugMessage "[~] creating resource container:" Write-DebugMessage " - resource: $resource" Write-DebugMessage " - dstDir : $dstDir" Write-DebugMessage " - force : $force" # always to lower # that simplifies further static web site hosting # and potential transfers to Amazon/Azure and other clouds $id = $resource.id.ToLower() $resourceDir = Join-Path -Path $dstDir -ChildPath $id $resourceFileName = (Get-ResourceFileName $resource) $container = New-Object PsObject -Property @{ Resource = $resource ResourceId = $id ResourceType = Get-ResourceType $resource Force = $force LatestDirPath = (Join-Path -Path $resourceDir -ChildPath "latest") LatestFilePath = (Join-Path -Path $resourceDir -ChildPath "latest" -AdditionalChildPath $resourceFileName) LatestChecksumFilePath = (Join-Path -Path $resourceDir -ChildPath "latest" -AdditionalChildPath ($resourceFileName + ".sha256") ) LatestMetadataFilePath = (Join-Path -Path $resourceDir -ChildPath "latest" -AdditionalChildPath "__metadata.uplift.json") StagingDirPath = (Join-Path -Path $resourceDir -ChildPath "download-staging") StagingFilePath = (Join-Path -Path $resourceDir -ChildPath "download-staging" -AdditionalChildPath $resourceFileName) CacheDirPath = (Join-Path -Path $resourceDir -ChildPath "cache") CacheFilePath = (Join-Path -Path $resourceDir -ChildPath "cache" -AdditionalChildPath $resourceFileName) ResourceDirPath = $resourceDir DestinationPath = $dstDir ResourceFileName = (Get-ResourceFileName $resource) } Write-DebugMessage "[~] container" Write-DebugMessage " - data: $container" Write-DebugMessage "[~] ensuring all dir paths" New-Folder $container.StagingDirPath New-Folder $container.LatestDirPath New-Folder $container.CacheDirPath New-Folder $container.ResourceDirPath New-Folder $container.DestinationPath return $container } function Invoke-StagingDownload($resourceContainer) { Invoke-ResourceFolderDownload $resourceContainer ` $resourceContainer.Resource.uri ` $resourceContainer.StagingFilePath } function Invoke-CacheDownload($resourceContainer) { Invoke-ResourceFolderDownload $resourceContainer ` $resourceContainer.Resource.uri ` $resourceContainer.CacheFilePath } function Invoke-ResourceFolderDownload($resourceContainer, $src, $dst) { Write-InfoMessage "[~] checking if file was already downloaded" if( (Confirm-FileValidity $resourceContainer $dst) -eq $True) { if($resourceContainer.Force -eq $True) { Write-InfoMessage "[~] -force, existing file is ok but will download again" } else { Write-InfoMessage "[~] using existing file: checksum is ok" New-ChecksumFile $dst return } } Write-InfoMessage "[~] downloading file" Write-DebugMessage " -dst: $dst" # download $preferredTool = Get-CommandOptionValue @("-t", "-tool") $null $null Invoke-DownloadFile ` $src ` $dst ` $preferredTool # validate download Write-InfoMessage "[~] validating file checksum" if( (Confirm-FileValidity $resourceContainer $dst) -eq $True) { Write-DebugMessage "[+] checksum is ok" } else { throw "[!] checksum validation failed for file: $dst" } # create checksum file New-ChecksumFile $dst } function Invoke-LatestDownload($resourceContainer) { # move all from staging to /latest # make metadata json file so that client can lookup information about files $stagingDirPath = $resourceContainer.StagingDirPath $latestDirPath = $resourceContainer.LatestDirPath # clean up latest Write-DebugMessage "[~] cleaning latest dir: $latestDirPath" Invoke-CleanFolder $latestDirPath Write-InfoMessage "[~] moving /download-staging to /latest" Write-DebugMessage " - src: $stagingDirPath/*" Write-DebugMessage " - dsr: $latestDirPath" Move-Item "$stagingDirPath/*" ` $latestDirPath ` -Force Write-InfoMessage "[~] writing metadata" Write-LatestMetadata $resourceContainer } function Invoke-DownloadResource($resource, $dstDir, $force = $False) { $jsonString = $resource | ConvertTo-Json -depth 5 Write-DebugMessage "Downloading JSON data:`n$jsonString" $resourceContainer = Get-ResourceContainer $resource $dstDir $force Write-DebugMessage "container: $($resourceContainer | ConvertTo-JSON -depth 5 )" switch($resourceContainer.ResourceType) { "uplift/http-file" { return Invoke-DownloadResourceHttpFile $resourceContainer } "uplift/ms-visualstudio-2017-dist" { return Invoke-DownloadResourceVS17Dist $resourceContainer } default { throw "Unknown resource type: $($resource.ResourceType)"} } return 0 } function Invoke-DownloadResourceHttpFile($resourceContainer) { Write-DebugMessage "Downloading http resource" $shouldDownload = $true # latest exists? $latestStatus = Get-LatestStatus $resourceContainer if($latestStatus -eq $True) { if($resourceContainer.Force -eq $True) { Write-WarnMessage "[~] -force is set, /latest is OK but will download again" $shouldDownload = $True } else { Write-InfoMessage "[+] /latest is OK, won't download" $shouldDownload = $False } } else { Write-DebugMessage "[~] /latest is NOT OK, will download it" } if($shouldDownload) { # download to staging # check if anything in cache? # check and create checksums Invoke-StagingDownload $resourceContainer # move staging to latest # fill cache, store needed files in cache Invoke-LatestDownload $resourceContainer } Write-InfoMessage "[+] completed!" } function Invoke-ActionResourceDownload () { [System.ComponentModel.CategoryAttribute("ActionCommand")] [System.ComponentModel.DescriptionAttribute("Downloads resource file into local repository")] param( $commandOptions ) $thirdOption = $commandOptions.Third if( [String]::IsNullOrEmpty($thirdOption) -eq $True ) { throw "A resource name is required. Try 7z-1805-x64 or 7z-1805-" } Write-DebugMessage "cmd option: $thirdOption" $resources = Get-AllResourcesMatch $thirdOption $resourceCount = $resources.Count $resourceIndex = 0 if($resourceCount -eq 0) { throw "Cannot find any resource matching name: $thirdOption" } else { Write-InfoMessage "Found $resourceCount resource(s) matching id: $thirdOption" } $repoFolderPath = Get-LocalRepositoryPath $commandOptions $errors = @{} foreach($resource in $resources) { $resourceIndex = $resourceIndex + 1 $resourceId = $resource.id try { Write-InfoMessage "[$resourceIndex/$resourceCount] resource: $resourceId" $result = Invoke-DownloadResource $resource $repoFolderPath (Get-ForceStatus) Write-DebugMessage " - result: $result" } catch { Write-ErrorMessage "Error while downloading resource: $resourceId" Write-ErrorMessage $_ $errors[$resourceId] = $_ } } return $errors.Count return 0 } |