Expand-JsonWebTokenPayload.ps1
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<#
.SYNOPSIS Extract Json Web Token (JWT) from JWS structure to PowerShell object. .EXAMPLE PS C:\>$MsalToken.IdToken | Expand-JsonWebTokenPayload Extract Json Web Token (JWT) from JWS structure to PowerShell object. .INPUTS System.String #> function Expand-JsonWebTokenPayload { [CmdletBinding()] [Alias('Expand-JwtPayload')] [OutputType([PSCustomObject])] param ( # JSON Web Signature (JWS) [Parameter(Mandatory=$true, Position=0, ValueFromPipeline=$true)] [string[]] $InputObjects ) process { foreach ($InputObject in $InputObjects) { [string] $JwsPayload = $InputObject.Split('.')[1] $JwtDecoded = $JwsPayload | ConvertFrom-Base64String -Base64Url | ConvertFrom-Json Write-Output $JwtDecoded } } } |