Method isExpired

lib/src/main/java/com/auth0/android/jwt/JWT.java:161–171

Validates that this JWT was issued in the past and hasn't expired yet. @param leeway the time leeway in seconds in which the token should still be considered valid. @return if this JWT has already expired or not.

(long leeway)

     * @return if this JWT has already expired or not.
     */
    public boolean isExpired(long leeway) {
        if (leeway < 0) {
            throw new IllegalArgumentException("The leeway must be a positive value.");
        }
        long todayTime = (long) (Math.floor(new Date().getTime() / 1000) * 1000); //truncate millis
        Date futureToday = new Date(todayTime + leeway * 1000);
        Date pastToday = new Date(todayTime - leeway * 1000);
        boolean expValid = payload.exp == null || !pastToday.after(payload.exp);
        boolean iatValid = payload.iat == null || !futureToday.before(payload.iat);
        return !expValid || !iatValid;
    }

    /**
     * Returns the String representation of this JWT.