PowerShell

Get the JWS Payload as a String

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetPayload, which returns the payload of a loaded JWS as text, decoded using the given charset.

Background. In practice, validate the signature before trusting the payload. Getting the payload retrieves the signed content.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

$jws = New-Object Chilkat.Jws

#  Load the JWS compact serialization.
$jwsCompact = "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>"
$success = $jws.LoadJws($jwsCompact)
if ($success -eq $false) {
    $($jws.LastErrorText)
    exit
}

#  Return the JWS payload as text, decoded using the given charset.
$payload = $jws.GetPayload("utf-8")
if ($jws.LastMethodSuccess -eq $false) {
    $($jws.LastErrorText)
    exit
}

$($payload)