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Caches the id-to-user mapping for the evaluation in the current session #32138

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Merged
mhajas merged 1 commit into from
Aug 16, 2024
Merged

Caches the id-to-user mapping for the evaluation in the current session #32138

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32 changes: 23 additions & 9 deletions ...private/src/main/java/org/keycloak/authorization/policy/evaluation/DefaultEvaluation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -168,20 +168,34 @@ public boolean isUserInGroup(String id, String groupId, boolean checkParent) {
return user.isMemberOf(group);
}

private final String USER_CACHE_SESSION_ATTRIBUTE = DefaultEvaluation.class.getName() + ".userCache";
private UserModel getUser(String id, KeycloakSession session) {
RealmModel realm = session.getContext().getRealm();
UserModel user = session.users().getUserById(realm, id);

if (Objects.isNull(user)) {
user = session.users().getUserByUsername(realm ,id);
}
if (Objects.isNull(user)) {
user = session.users().getUserByEmail(realm, id);
@SuppressWarnings("unchecked") HashMap<String, UserModel> cache = (HashMap<String, UserModel>) session.getAttribute(USER_CACHE_SESSION_ATTRIBUTE);
if (cache == null) {
cache = new HashMap<>();
session.setAttribute(USER_CACHE_SESSION_ATTRIBUTE, cache);
}
UserModel user = cache.get(id);

if (Objects.isNull(user)) {
user = session.users().getServiceAccount(realm.getClientById(id));
if (cache.containsKey(id)) {
return null;
}
RealmModel realm = session.getContext().getRealm();
user = session.users().getUserById(realm, id);
if (Objects.isNull(user)) {
user = session.users().getUserByUsername(realm, id);
}
if (Objects.isNull(user)) {
user = session.users().getUserByEmail(realm, id);
}
if (Objects.isNull(user)) {
user = session.users().getServiceAccount(realm.getClientById(id));
}
}

cache.put(id, user);

return user;
}

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