public WebhookNotification parse(String signature, String payload) {
Pattern p = Pattern.compile("[^A-Za-z0-9+=/\n]");
Matcher m = p.matcher(payload);
if (m.find()) {
throw new InvalidSignatureException("payload contains illegal characters");
}
validateSignature(signature, payload);
String xmlPayload = new String(Base64.decodeBase64(payload));
NodeWrapper node = NodeWrapperFactory.instance.create(xmlPayload);
return new WebhookNotification(node);
}
private String buildPayload(WebhookNotification.Kind kind, String id) {
DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
String timestamp = dateFormat.format(new Date());
String payload =
"<notification><timestamp type=\"datetime\">"
+ timestamp
+ "</timestamp><kind>"
+ kind
+ "</kind><subject>"
+ subjectXml(kind, id)
+ "</subject></notification>";
return Base64.encodeBase64String(payload.getBytes()).trim();
}
public static String decodeClientToken(String rawClientToken) {
String decodedClientToken =
new String(Base64.decodeBase64(rawClientToken), Charset.forName("UTF-8"));
return decodedClientToken.replace("\\u0026", "&");
}