/* build the trust source set*/
private static Set getTrustedSourceList() throws SessionException {
Set result = new HashSet();
try {
String rawList = SystemProperties.get(Constants.TRUSTED_SOURCE_LIST);
if (rawList != null) {
StringTokenizer stk = new StringTokenizer(rawList, ",");
while (stk.hasMoreTokens()) {
result.add(InetAddress.getByName(stk.nextToken()));
}
} else {
// use platform server list as a default fallback
Vector psl = WebtopNaming.getPlatformServerList();
if (psl == null) {
throw new SessionException(SessionBundle.rbName, "emptyTrustedSourceList", null);
}
for (Enumeration e = psl.elements(); e.hasMoreElements(); ) {
try {
URL url = new URL((String) e.nextElement());
result.add(InetAddress.getByName(url.getHost()));
} catch (Exception ex) {
debug.error("SessionUtils.getTrustedSourceList : " + "Validating Host exception", ex);
}
}
}
} catch (Exception e) {
throw new SessionException(e);
}
return result;
}
private boolean validateRequest(HttpServletRequest servletRequest) {
try {
String encryptedCookie =
CookieUtils.getCookieValueFromReq(servletRequest, SessionService.securityCookieName);
if (encryptedCookie == null) {
SessionService.sessionDebug.error(
"GetHttpSession.validateRequest: " + "no Security Cookie in the request");
return false;
}
String decryptedCookie =
(String) AccessController.doPrivileged(new DecodeAction(encryptedCookie));
StringTokenizer st = new StringTokenizer(decryptedCookie, "@");
String serverURL = st.nextToken();
long requestTimeStamp = Long.parseLong(st.nextToken());
long currentTime = System.currentTimeMillis();
if (Math.abs(currentTime - requestTimeStamp) > MAX_TIMESTAMP_DIFF) {
SessionService.sessionDebug.error(
"GetHttpSession.validateRequest: " + "Max time elapsed for the Request");
return false;
}
Vector platformServerList = WebtopNaming.getPlatformServerList();
if (!platformServerList.contains(serverURL)) {
SessionService.sessionDebug.error(
"GetHttpSession.validateRequest: "
+ "request host :"
+ serverURL
+ "was not part of the platformServerList");
}
return true;
} catch (Exception e) {
SessionService.sessionDebug.error(
"GetHttpSession.validateRequest: " + "Exception while validating the request ", e);
return false;
}
}