internal/functions/ConvertFrom-Base64StringWithNoPadding.ps1
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function ConvertFrom-Base64StringWithNoPadding( [string]$Data ) { <# .SYNOPSIS Helper function build valid Base64 strings from JWT access tokens .DESCRIPTION Helper function build valid Base64 strings from JWT access tokens .PARAMETER Data The Token to convert .EXAMPLE PS C:\> ConvertFrom-Base64StringWithNoPadding -Data $data build valid base64 string the content from variable $data #> $Data = $Data.Replace('-', '+').Replace('_', '/') switch ($Data.Length % 4) { 0 { break } 2 { $Data += '==' } 3 { $Data += '=' } default { throw New-Object ArgumentException('data') } } [System.Convert]::FromBase64String($Data) } |