/**
* Create a new BrowserID object.
*
* @param message The http message.
* @param protocol The protocol name.
* @param callbacks {@link burp.IBurpExtenderCallbacks}
*/
public BrowserID(
IHttpRequestResponse message, String protocol, IBurpExtenderCallbacks callbacks) {
super(message, protocol, callbacks);
super.setToken(findToken());
super.setProtocolflowID(analyseProtocol());
add(this, getProtocolflowID());
}
/**
* Analyse the protocol for the right table.
*
* @return The protocol flow id.
*/
@Override
public int analyseProtocol() {
logging.log(
getClass(), "\nAnalyse: " + getProtocol() + " with ID: " + getToken(), Logging.DEBUG);
ArrayList<SSOProtocol> last_protocolflow = SSOProtocol.getLastProtocolFlow();
if (last_protocolflow != null) {
double listsize = (double) last_protocolflow.size();
double protocol = 0;
double token = 0;
long tmp = 0;
long curr_time = 0;
long last_time = 0;
boolean wait = true;
for (SSOProtocol sso : last_protocolflow) {
if (sso.getProtocol().substring(0, 5).equals(this.getProtocol().substring(0, 5))) {
logging.log(getClass(), sso.getProtocol(), Logging.DEBUG);
protocol++;
}
if (sso.getToken().equals(this.getToken())) {
logging.log(getClass(), sso.getToken(), Logging.DEBUG);
token++;
}
if (wait) {
wait = false;
} else {
curr_time = sso.getTimestamp();
tmp += curr_time - last_time;
logging.log(getClass(), "Diff: " + (curr_time - last_time), Logging.DEBUG);
}
last_time = sso.getTimestamp();
}
if (listsize >= 0) {
double diff_time = ((double) tmp / listsize);
double curr_diff_time =
getTimestamp() - last_protocolflow.get(last_protocolflow.size() - 1).getTimestamp();
double time_bonus = 0;
logging.log(getClass(), "CurrDiff:" + curr_diff_time + " Diff:" + diff_time, Logging.DEBUG);
if (curr_diff_time <= (diff_time + 4000)) {
time_bonus = 0.35;
}
double prob = ((protocol / listsize) + (token / listsize) * 2) / 3 + (time_bonus);
logging.log(getClass(), "Probability: " + prob, Logging.DEBUG);
if (prob >= 0.6) {
return getIDOfLastList();
}
}
}
return newProtocolflowID();
}