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.

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    DECLARE @jws int
    EXEC @hr = sp_OACreate 'Chilkat.Jws', @jws OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    --  Load the JWS compact serialization.
    DECLARE @jwsCompact nvarchar(4000)
    SELECT @jwsCompact = 'eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>'
    EXEC sp_OAMethod @jws, 'LoadJws', @success OUT, @jwsCompact
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @jws, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jws
        RETURN
      END

    --  Return the JWS payload as text, decoded using the given charset.
    DECLARE @payload nvarchar(4000)
    EXEC sp_OAMethod @jws, 'GetPayload', @payload OUT, 'utf-8'
    EXEC sp_OAGetProperty @jws, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @jws, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @jws
        RETURN
      END

    PRINT @payload

    EXEC @hr = sp_OADestroy @jws


END
GO