mirror of
https://github.com/Icinga/icinga-powershell-framework.git
synced 2025-12-20 23:00:35 -05:00
33 lines
1.3 KiB
PowerShell
33 lines
1.3 KiB
PowerShell
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function Get-IcingaFileHash()
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{
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param (
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[string]$Path,
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[ValidateSet('SHA1', 'SHA256', 'SHA384', 'SHA512', 'MD5')]
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[string]$Algorithm = 'SHA256'
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);
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if ([string]::IsNullOrEmpty($Path) -Or ((Test-Path -Path $Path) -eq $FALSE)) {
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Write-IcingaConsoleError 'Your path is either not specified or does not exist';
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return $null;
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}
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$FileHasher = New-Object "System.Security.Cryptography.${Algorithm}CryptoServiceProvider";
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if ($null -eq $FileHasher) {
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Write-IcingaConsoleError 'Unable to create cryptography objects for algorithm "{0}"' -Objects $Algorithm;
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return $null;
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}
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# Read the file specified in $FilePath as a Byte array
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[System.IO.Stream]$FileStream = [System.IO.File]::OpenRead($Path)
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[Byte[]]$FileHash = $FileHasher.ComputeHash($FileStream)
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[string]$HashString = [BitConverter]::ToString($FileHash).Replace('-', '');
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$RetValue = New-Object -TypeName PSObject;
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$RetValue | Add-Member -MemberType NoteProperty -Name 'Algorithm' -Value $Algorithm.ToUpper();
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$RetValue | Add-Member -MemberType NoteProperty -Name 'Hash' -Value $HashString;
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$RetValue | Add-Member -MemberType NoteProperty -Name 'Path' -Value $Path;
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return $RetValue;
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}
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