Xbase++

Get the JWS Payload into BinData

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetPayloadBd, which writes the payload of a loaded JWS as raw bytes into a BinData.

Background. This is used when the payload is binary. In practice, validate the signature before trusting the payload.

Chilkat Xbase++ Downloads

Download Chilkat for Xbase++

Xbase++

LOCAL nSuccess
LOCAL oJws
LOCAL cJwsCompact
LOCAL oBdPayload

nSuccess := 0

oJws := CreateObject("Chilkat.Jws")

//  Load the JWS compact serialization.
cJwsCompact := "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>"
nSuccess := oJws:LoadJws(cJwsCompact)
IF (nSuccess == 0)
    ? oJws:LastErrorText
    oJws:destroy()
    RETURN
ENDIF

//  Get the JWS payload as raw bytes into a BinData.
oBdPayload := CreateObject("Chilkat.BinData")
nSuccess := oJws:GetPayloadBd(oBdPayload)
IF (nSuccess == 0)
    ? oJws:LastErrorText
    oJws:destroy()
    oBdPayload:destroy()
    RETURN
ENDIF

? "Payload is " + Str(oBdPayload:NumBytes) + " bytes."

oJws:destroy()
oBdPayload:destroy()