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React Native

Get the JWS Payload into a StringBuilder

See more JSON Web Signatures (JWS) Examples

Demonstrates Jws.GetPayloadSb, which writes the payload of a loaded JWS as text into a StringBuilder, decoded using the given charset.

Background. In practice, validate the signature before trusting the payload.

Chilkat React Native Downloads

React Native
import { Jws, StringBuilder } from '@chilkat/react-native'

function chilkatExample() {
  const jws = new Jws();

  // Load the JWS compact serialization.
  const jwsCompact = 'eyJhbGciOiJIUzI1NiJ9.VGhpcyBpcyB0aGUgY29udGVudCB0byBzaWduLg.<signature>';
  try {
    jws.loadJws(jwsCompact);
  } catch {
    console.log(jws.lastErrorText);
    return;
  }

  // Get the JWS payload as text into a StringBuilder, decoded using the given charset.
  const sbPayload = new StringBuilder();
  try {
    jws.getPayloadSb('utf-8', sbPayload);
  } catch {
    console.log(jws.lastErrorText);
    return;
  }

  console.log(sbPayload.getAsString());
}