PureBasic

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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PureBasic

IncludeFile "CkJws.pb"

Procedure ChilkatExample()

    success.i = 0

    jws.i = CkJws::ckCreate()
    If jws.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ;  Load the JWS compact serialization.
    jwsCompact.s = "eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>"
    success = CkJws::ckLoadJws(jws,jwsCompact)
    If success = 0
        Debug CkJws::ckLastErrorText(jws)
        CkJws::ckDispose(jws)
        ProcedureReturn
    EndIf

    ;  Return the JWS payload as text, decoded using the given charset.
    payload.s = CkJws::ckGetPayload(jws,"utf-8")
    If CkJws::ckLastMethodSuccess(jws) = 0
        Debug CkJws::ckLastErrorText(jws)
        CkJws::ckDispose(jws)
        ProcedureReturn
    EndIf

    Debug payload


    CkJws::ckDispose(jws)


    ProcedureReturn
EndProcedure