MaxandGitHub
ca5bb08c07
Converted python script to powershell for machines where is not powershell installed
94 lines
2.5 KiB
PowerShell
94 lines
2.5 KiB
PowerShell
Set-StrictMode -Version 5
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function HexToBase64
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{
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param
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(
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[Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)]
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[string]$s
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)
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[array]$return = @()
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for ($i = 0; $i -lt $s.Length ; $i += 2) {
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$return += [Byte]::Parse($s.Substring($i, 2), [System.Globalization.NumberStyles]::HexNumber)
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}
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Write-Output $([Convert]::ToBase64String($return))
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}
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function Verify-Hashes
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{
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[CmdletBinding(PositionalBinding=$false)]
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param
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(
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[Parameter(Mandatory=$true)]
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[ValidateNotNullOrEmpty()]
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[string]$filename
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)
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[int]$errorCount = 0
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[int]$checked = 0
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if(-not $(Test-Path $filename)) {
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Write-Host "Specified file does not exist: $filename"
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return -1
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}
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[string]$folder = Split-Path -Path $filename
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$remoteVolumes = (Get-Content $filename) -Join "`n" | ConvertFrom-Json
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foreach ($remoteVolume in $remoteVolumes) {
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[string]$volFileName = $remoteVolume.Name
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[long]$volFileSize = $remoteVolume.Size
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[string]$volFilePath = Join-Path -Path $folder -ChildPath $volFileName
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if(-not $(Test-Path $volFilePath)) {
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Write-Host "File missing: $volFilePath" -ForegroundColor Red
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$errorCount++
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} else {
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$checked++
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Write-Host "Verifying file $volFileName"
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$shaHash = Get-FileHash -Path $volFilePath -Algorithm SHA256
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if($remoteVolume.Hash -ne $(HexToBase64 $shaHash.Hash)) {
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Write-Host "*** Hash check failed for file: $volFileName" -ForegroundColor Red
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$errorCount++
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}
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}
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}
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if($errorCount -gt 0) {
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Write-Host "Errors were found" -ForegroundColor Red
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} else {
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Write-Host "No errors found" -ForegroundColor Green
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}
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return $errorCount
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}
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[string]$argument = ""
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if ($args.Length -eq 1) { $argument = $args[0] }
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else { $argument = $PSScriptRoot }
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if(-not $(Test-Path $argument)) {
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Write-Host "No such file or directory: $argument" -ForegroundColor Red
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}
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if(Test-Path $argument -PathType Leaf) {
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Verify-Hashes -filename $argument
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} else {
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[int] $files = 0
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Get-ChildItem $argument -Filter "*-verification.json" |
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Foreach-Object {
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$files++
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Write-Host "Verifying file: $_.Name"
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Verify-Hashes -filename $_.FullName
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}
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if ($files -eq 0) { Write-Host "No verification files in folder: $argument" }
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} |