eoinmcdonnell113 commented on code in PR #1200:
URL: https://github.com/apache/ranger/pull/1200#discussion_r3924691975
##########
security-admin/src/main/java/org/apache/ranger/biz/SessionMgr.java:
##########
@@ -498,6 +516,142 @@ public Date getLastSuccessLoginAuthTimeByUserId(String
loginId) {
return null;
}
+ public static boolean isConcurrentSessionExpired(HttpSession session) {
+ if (session == null) {
+ return false;
+ }
+
+ try {
+ return
Boolean.TRUE.equals(session.getAttribute(SESSION_ATTR_CONCURRENT_EXPIRED));
+ } catch (IllegalStateException e) {
+ return false;
+ }
+ }
+
+ public static boolean isConcurrentSessionExpiredSso(HttpSession session) {
+ if (session == null) {
+ return false;
+ }
+
+ try {
+ return
Boolean.TRUE.equals(session.getAttribute(SESSION_ATTR_CONCURRENT_EXPIRED_SSO));
+ } catch (IllegalStateException e) {
+ return false;
+ }
+ }
+
+ /**
+ * When {@code ranger.session.limit.concurrency} is exceeded, expire the
oldest UI sessions
+ * so the new login succeeds. SSO sessions are marked expired for Knox
logout redirect.
+ */
+ protected void enforceConcurrentSessionLimit(String loginId, HttpSession
currentSession) {
+ int limit =
PropertiesUtil.getIntProperty(PROP_SESSION_LIMIT_CONCURRENCY, 0);
+
+ if (limit <= 0 || StringUtils.isBlank(loginId) || currentSession ==
null) {
+ return;
+ }
+
+ List<HttpSession> otherSessions = findActiveUiSessionsForUser(loginId,
currentSession);
+
+ if (otherSessions.size() < limit) {
+ return;
+ }
+
+ otherSessions.sort(Comparator.comparingLong(session -> {
+ try {
+ return session.getCreationTime();
+ } catch (IllegalStateException e) {
+ return 0L;
+ }
+ }));
+
+ int toExpire = otherSessions.size() - limit + 1;
+
+ logger.info("Concurrent session limit {} exceeded for user {};
expiring {} older session(s)", limit, loginId, toExpire);
+
+ for (int i = 0; i < toExpire; i++) {
+ expireConcurrentSession(otherSessions.get(i));
+ }
+ }
+
+ static boolean isPluginOrSecureDownloadRequest(String uri) {
+ if (StringUtils.isEmpty(uri)) {
+ return false;
+ }
+
+ return uri.contains("/secure/policies/download/")
Review Comment:
Thanks. Audit-skip and quota-skip now share
isPluginOrSecureDownloadRequest().
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