Invoke-DownloadMsixPackage.ps1
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<#
.SYNOPSIS This script downloads the converted MSIX installer. .DESCRIPTION This script reads the conversion Id and download location and invokes the download MSIX REST API. .PARAMETER ConversionId The Conversion Id is required. .PARAMETER Env Optional parameter of the environment value. .PARAMETER downloadLocation Specifies a path to a location. The value of downloadLocation is used exactly as it is typed. No characters are interpreted as wildcards. If the path includes escape characters, enclose it in single quotation marks. Single quotation marks tell Windows PowerShell not to interpret any characters as escape sequences. .OUTPUTS The file gets downloaded to the provided location. #> # Uncomment for debugging # Set-PSDebug -Trace 2 # function to the validate the checksum of the downloaded file function Compare-SHA256() { param ( [Parameter(Mandatory, HelpMessage = "Please provide location of the file.", Position=0)] [string] $fileName, [Parameter(Mandatory, HelpMessage = "Please provide the SHA256 value of the file.", Position=1)] [string] $hash ) $calculatedHash = (Get-FileHash $fileName -Algorithm SHA256).Hash.ToUpper() $calculatedHash -eq $hash.ToUpper() } function Invoke-DownloadMsixPackage() { # Conversion Id as a mandatory input # Destination location to save the file param ( [Parameter(Mandatory, HelpMessage = "Please provide a valid conversion Id.", Position=0)] [ValidatePattern( "^([0-9A-Fa-f]{8}[-][0-9A-Fa-f]{4}[-][0-9A-Fa-f]{4}[-][0-9A-Fa-f]{4}[-][0-9A-Fa-f]{12})$", ErrorMessage = "Conversion Id {0} is not valid." )] [string] $ConversionId, [Parameter(HelpMessage = "Optional Parameter: Enter the location where you want to save the installer file", Position=1)] [string] $DownloadLocation, [Parameter(HelpMessage = "Optional Parameter: Please provide the environment value.")] [string]$Env ) # Get Environment value if ( !$Env ) { $Env = "msix" } $global:devRestEndPoint = $(Get-Content "$PSScriptRoot/config.json" | ConvertFrom-Json).$Env.url Write-Debug "The entered conversion Id is $ConversionId" if ([string]::IsNullOrEmpty($DownloadLocation)) { $DownloadLocation = (Get-Location) } if (!(Test-Path -Path "$DownloadLocation")) { Write-Output "Download location not valid" Write-Output "Download location: $DownloadLocation" return } # Get Full Absolute download path $DownloadLocation = [System.IO.Path]::GetFullPath($DownloadLocation) $DownloadLocation = $DownloadLocation.TrimEnd('\') Write-Debug "The download location is $DownloadLocation " Try { # REST API invocation Authenticate($Env) $restEndpoint = $global:devRestEndPoint + "download/v1/msix/" + $ConversionId $header = @{ authorization=$global:bearerToken } $Response = ConvertFrom-Json $([String]::new((Invoke-WebRequest -Uri $restEndpoint -Header $header -MaximumRedirection 1).Content)) # Destination to save the file $DownloadLocation = $DownloadLocation + "\" + $Response.packageName # Trigger download Start-BitsTransfer -Source $Response.uri -Destination $DownloadLocation # Make the file readonly for now Set-ItemProperty -Path $DownloadLocation -Name IsReadOnly -Value $true # Compare the checksum if (Compare-SHA256 $DownloadLocation $Response.checksum) { Write-Debug "Checksum validation succeeded for the downloaded file." Write-Output "Successfully downloaded file : $DownloadLocation" # Give executable permissions on the file Set-ItemProperty -Path $DownloadLocation -Name IsReadOnly -Value $false return } else { Write-Output "Checksum validation failed, file might be corrupted. Kindly try again!" Write-Debug "Removing file: $DownloadLocation" Set-ItemProperty -Path $DownloadLocation -Name IsReadOnly -Value $false Remove-Item -Path $DownloadLocation return } } Catch { if (Test-Path -Path $DownloadLocation -PathType Leaf) { Set-ItemProperty -Path $DownloadLocation -Name IsReadOnly -Value $false Remove-Item -Path $DownloadLocation } Register-Error($_) } } |