public/ConvertFrom-JWT.ps1
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Function ConvertFrom-JWT { [CmdletBinding()] [OutputType([string])] Param ( [Parameter(Mandatory = $true)] [string] $Token ) begin { #region initialize Decoder Object $Serializer = [JWT.Serializers.JsonNetSerializer]::new() $Provider = [JWT.UtcDateTimeProvider]::new() $Validator = [JWT.JwtValidator]::new($Serializer, $provider) $Algorithm = [JWT.Algorithms.HMACSHA256Algorithm]::new() $UrlEncoder = [JWT.JwtBase64UrlEncoder]::new() $Decoder = [JWT.JwtDecoder]::new($Serializer, $Validator, $UrlEncoder, $Algorithm) #endregion } process { #region Decode JWT Token return [PSCustomObject]@{ 'Header' = ($Decoder.DecodeHeader($token) | ConvertFrom-Json) 'Payload' = ($Decoder.Decode($Token) | ConvertFrom-Json) } #endregion } end { Remove-Variable -Name Decoder } } |