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[Get-(File)Hash] Use namespaces and add Pscx check

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This commit is contained in:
Alexander Karatarakis 2017-11-05 18:10:48 -08:00
parent 524adf93aa
commit 4bd9ad6969
1 changed files with 25 additions and 14 deletions
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39
scripts/fetchDependency.ps1
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@ -31,6 +31,30 @@ function Get-Credential-Backwards-Compatible()
}
}
function Get-Hash-SHA265()
{
if (Test-Command -commandName 'Microsoft.PowerShell.Utility\Get-FileHash')
{
Write-Verbose("Hashing with Microsoft.PowerShell.Utility\Get-FileHash")
$downloadedFileHash = (Get-FileHash -Path $downloadPath -Algorithm SHA256).Hash
}
elseif(Test-Command -commandName 'Pscx\Get-Hash')
{
Write-Verbose("Hashing with Pscx\Get-Hash")
$downloadedFileHash = (Get-Hash -Path $downloadPath -Algorithm SHA256).HashString
}
else
{
Write-Verbose("Hashing with .NET")
$hashAlgorithm = [Security.Cryptography.HashAlgorithm]::Create("SHA256")
$fileAsByteArray = [io.File]::ReadAllBytes($downloadPath)
$hashByteArray = $hashAlgorithm.ComputeHash($fileAsByteArray)
$downloadedFileHash = -Join ($hashByteArray | ForEach-Object {"{0:x2}" -f $_})
}
return $downloadedFileHash.ToLower()
}
if (Test-Module -moduleName 'BitsTransfer')
{
Import-Module BitsTransfer -Verbose:$false
@ -233,20 +257,7 @@ function SelectProgram([Parameter(Mandatory=$true)][string]$Dependency)
performDownload $Dependency $url $downloadsDir $downloadPath $downloadVersion $requiredVersion
#calculating the hash
if (Test-Command -commandName 'Get-FileHash')
{
$downloadedFileHash = (Get-FileHash -Path $downloadPath -Algorithm SHA256).Hash
}
else
{
$hashAlgorithm = [Security.Cryptography.HashAlgorithm]::Create("SHA256")
$fileAsByteArray = [io.File]::ReadAllBytes($downloadPath)
$hashByteArray = $hashAlgorithm.ComputeHash($fileAsByteArray)
$downloadedFileHash = -Join ($hashByteArray | ForEach-Object {"{0:x2}" -f $_})
}
$downloadedFileHash = $downloadedFileHash.ToLower()
$downloadedFileHash = Get-Hash-SHA265 $downloadPath
if ($expectedDownloadedFileHash -ne $downloadedFileHash)
{
Write-Host ("`nFile does not have expected hash:`n" +