From ca5bb08c071e37be9613ce5df2bdfd6a9a2f8563 Mon Sep 17 00:00:00 2001
From: Max <michal@naiman.eu>
Date: Sat, 20 Aug 2016 00:22:33 +0200
Subject: [PATCH] Add files via upload

Converted python script to powershell for machines where is not powershell installed
---
 Tools/Verification/DuplicatiVerify.ps1 | 94 ++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Tools/Verification/DuplicatiVerify.ps1

diff --git a/Tools/Verification/DuplicatiVerify.ps1 b/Tools/Verification/DuplicatiVerify.ps1
new file mode 100644
index 000000000..08f52c47d
--- /dev/null
+++ b/Tools/Verification/DuplicatiVerify.ps1
@@ -0,0 +1,94 @@
+Set-StrictMode -Version 5
+
+function HexToBase64
+{
+    param
+    (
+        [Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)]
+        [string]$s
+    )
+    [array]$return = @()
+ 
+    for ($i = 0; $i -lt $s.Length ; $i += 2) {
+        $return += [Byte]::Parse($s.Substring($i, 2), [System.Globalization.NumberStyles]::HexNumber)
+    }
+ 
+    Write-Output $([Convert]::ToBase64String($return))
+}
+
+function Verify-Hashes
+{
+	[CmdletBinding(PositionalBinding=$false)]
+	param
+	(
+		[Parameter(Mandatory=$true)]
+		[ValidateNotNullOrEmpty()]
+		[string]$filename
+	)
+	
+    [int]$errorCount = 0
+    [int]$checked = 0
+
+    if(-not $(Test-Path $filename)) {
+        Write-Host "Specified file does not exist: $filename"
+        return -1
+    }
+    
+    [string]$folder = Split-Path -Path $filename
+
+    $remoteVolumes = (Get-Content $filename) -Join "`n" | ConvertFrom-Json
+
+    foreach ($remoteVolume in $remoteVolumes) {
+        [string]$volFileName = $remoteVolume.Name
+        [long]$volFileSize = $remoteVolume.Size
+        [string]$volFilePath = Join-Path -Path $folder -ChildPath $volFileName
+
+        if(-not $(Test-Path $volFilePath)) {
+            Write-Host "File missing: $volFilePath" -ForegroundColor Red
+            $errorCount++
+        } else {
+            $checked++
+        
+            Write-Host "Verifying file $volFileName"
+
+            $shaHash = Get-FileHash -Path $volFilePath -Algorithm SHA256
+
+            if($remoteVolume.Hash -ne $(HexToBase64 $shaHash.Hash)) {
+                Write-Host "*** Hash check failed for file: $volFileName" -ForegroundColor Red
+                $errorCount++
+            }
+        }
+    }
+
+    if($errorCount -gt 0) {
+        Write-Host "Errors were found" -ForegroundColor Red
+    } else {
+        Write-Host "No errors found" -ForegroundColor Green
+    }
+
+    return $errorCount
+}
+
+[string]$argument = ""
+if ($args.Length -eq 1) { $argument = $args[0] }
+else { $argument = $PSScriptRoot }
+
+
+if(-not $(Test-Path $argument)) {
+    Write-Host "No such file or directory: $argument" -ForegroundColor Red
+}
+
+if(Test-Path $argument -PathType Leaf) {
+    Verify-Hashes -filename $argument
+} else {
+    [int] $files = 0
+
+    Get-ChildItem $argument -Filter "*-verification.json" | 
+    Foreach-Object {
+        $files++
+        Write-Host "Verifying file: $_.Name"
+        Verify-Hashes -filename $_.FullName
+    }
+
+    if ($files -eq 0) { Write-Host "No verification files in folder: $argument" }
+}
\ No newline at end of file