Java Code Examples for io.vertx.core.http.Cookie#getValue()

protected void handleRedirectBack(final RoutingContext exchange) {
    Cookie redirect = exchange.getCookie(locationCookie);
    String location;
    if (redirect != null) {
        location = redirect.getValue();
        exchange.response().addCookie(redirect.setMaxAge(0));
    } else {
        location = exchange.request().scheme() + "://" + exchange.request().host() + landingPage;
    }
    exchange.response().setStatusCode(302);
    exchange.response().headers().add(HttpHeaderNames.LOCATION, location);
    exchange.response().end();
}
 

@Override
public String readAttribute(final RoutingContext exchange) {
    Cookie cookie = exchange.getCookie(cookieName);
    if (cookie == null) {
        return null;
    }
    return cookie.getValue();
}
 

private String getSessionId(RoutingContext  context) {
  if (cookieless) {
    // cookieless sessions store the session on the path or the request
    // a session is identified by a sequence of characters between braces
    String path = context.normalizedPath();
    int s = -1;
    int e = -1;
    for (int i = 0; i < path.length(); i++) {
      if (path.charAt(i) == '(') {
        s = i + 1;
        continue;
      }
      if (path.charAt(i) == ')') {
        // if not open parenthesis yet
        // this is a false end, continue looking
        if (s != -1) {
          e = i;
          break;
        }
      }
    }
    if (s != -1 && e != -1 && s < e) {
      return path.substring(s, e);
    }
  } else {
    Cookie cookie = context.getCookie(sessionCookieName);
    if (cookie != null) {
      // Look up sessionId
      return cookie.getValue();
    }
  }

  return null;
}
 

public static HttpCookie toHttpCookie(Cookie cookie) {
    return new HttpCookie(cookie.getName(), cookie.getValue());
}
 

public RestoreResult restore(RoutingContext context) {
    Cookie existing = context.getCookie(cookieName);
    // If there is no credential cookie, we have nothing to restore.
    if (existing == null) {
        // Enforce new login.
        return null;
    }
    String val = existing.getValue();
    try {
        Cipher cipher = Cipher.getInstance(ENC_ALGORITHM);
        ByteBuffer byteBuffer = ByteBuffer.wrap(Base64.getDecoder().decode(val.getBytes(StandardCharsets.UTF_8)));
        int ivLength = byteBuffer.get();
        byte[] iv = new byte[ivLength];
        byteBuffer.get(iv);
        byte[] encrypted = new byte[byteBuffer.remaining()];
        byteBuffer.get(encrypted);
        cipher.init(Cipher.DECRYPT_MODE, secretKey, new GCMParameterSpec(ENC_TAG_LENGTH, iv));
        String result = new String(cipher.doFinal(encrypted), StandardCharsets.UTF_8);
        int sep = result.indexOf(":");
        // If parsing fails, something is wrong and we need to enforce a new login.
        if (sep == -1) {
            // Enforce new login.
            log.debugf("%s cookie parsing failed. Is encryption-key set for all instances?", cookieName);
            return null;
        }
        long expireIdle = Long.parseLong(result.substring(0, sep));
        long now = System.currentTimeMillis();
        log.debugf("Current time: %s, Expire idle timeout: %s, expireIdle - now is: %d - %d = %d",
                new Date(now).toString(), new Date(expireIdle).toString(), expireIdle, now, expireIdle - now);
        // We don't attempt renewal, idle timeout already expired.
        if (now > expireIdle) {
            // Enforce new login.
            return null;
        }
        boolean newCookieNeeded = (timeoutMillis - (expireIdle - now)) > newCookieIntervalMillis;
        log.debugf("Is new cookie needed? ( %d - ( %d - %d)) > %d : %b", timeoutMillis, expireIdle, now,
                newCookieIntervalMillis, newCookieNeeded);
        return new RestoreResult(result.substring(sep + 1), newCookieNeeded);
    } catch (Exception e) {
        log.debug("Failed to restore persistent user session", e);
        return null;
    }
}