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Simply ScimEventListener code

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This commit is contained in:
Alex Morel 2024-06-18 16:07:54 +02:00
parent 5976031ac6
commit 764767185e
2 changed files with 109 additions and 53 deletions
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150
src/main/java/sh/libre/scim/event/ScimEventListenerProvider.java
View file

@ -16,6 +16,11 @@ import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* An {@link java.util.EventListener} in charge of reaction to Keycloak models
* modification (e.g. User creation, Group deletion, membership modifications...)
* by propagating it to all registered SCIM servers.
*/
public class ScimEventListenerProvider implements EventListenerProvider {
private static final Logger LOGGER = Logger.getLogger(ScimEventListenerProvider.class);
@ -36,14 +41,13 @@ public class ScimEventListenerProvider implements EventListenerProvider {
dispatcher = new ScimDispatcher(session);
}
@Override
public void close() {
}
@Override
public void onEvent(Event event) {
// React to User-related event : creation, deletion, update
EventType eventType = event.getType();
String eventUserId = event.getUserId();
LOGGER.infof("[SCIM] Propagate User Event %s - %s", eventType, eventUserId);
switch (eventType) {
case REGISTER -> {
UserModel user = getUser(eventUserId);
@ -54,81 +58,123 @@ public class ScimEventListenerProvider implements EventListenerProvider {
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
}
case DELETE_ACCOUNT -> dispatcher.dispatchUserModificationToAll(client -> client.delete(eventUserId));
default -> LOGGER.trace("ignore event " + eventType);
default -> {
// No other event has to be propagated to SCIM Servers
}
}
}
@Override
public void onEvent(AdminEvent event, boolean includeRepresentation) {
// Step 1: check if event is relevant for propagation through SCIM
Pattern pattern = patterns.get(event.getResourceType());
if (pattern == null)
return;
Matcher matcher = pattern.matcher(event.getResourcePath());
if (!matcher.find())
return;
// Step 2: propagate event (if needed) according to its resource type
switch (event.getResourceType()) {
case USER -> {
String userId = matcher.group(1);
LOGGER.infof("%s %s", userId, event.getOperationType());
switch (event.getOperationType()) {
case CREATE -> {
UserModel user = getUser(userId);
dispatcher.dispatchUserModificationToAll(client -> client.create(user));
user.getGroupsStream().forEach(group -> {
dispatcher.dispatchGroupModificationToAll(client -> client.replace(group));
});
}
case UPDATE -> {
UserModel user = getUser(userId);
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
}
case DELETE -> dispatcher.dispatchUserModificationToAll(client -> client.delete(userId));
}
handleUserEvent(event, userId);
}
case GROUP -> {
String groupId = matcher.group(1);
LOGGER.infof("group %s %s", groupId, event.getOperationType());
switch (event.getOperationType()) {
case CREATE -> {
GroupModel group = getGroup(groupId);
dispatcher.dispatchGroupModificationToAll(client -> client.create(group));
}
case UPDATE -> {
GroupModel group = getGroup(groupId);
dispatcher.dispatchGroupModificationToAll(client -> client.replace(group));
}
case DELETE -> dispatcher.dispatchGroupModificationToAll(client -> client.delete(groupId));
}
handleGroupEvent(event, groupId);
}
case GROUP_MEMBERSHIP -> {
String userId = matcher.group(1);
String groupId = matcher.group(2);
LOGGER.infof("%s %s from %s", event.getOperationType(), userId, groupId);
GroupModel group = getGroup(groupId);
group.setSingleAttribute("scim-dirty", BooleanUtils.TRUE);
UserModel user = getUser(userId);
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
handleGroupMemberShipEvent(event, userId, groupId);
}
case REALM_ROLE_MAPPING -> {
String type = matcher.group(1);
String id = matcher.group(2);
LOGGER.infof("%s %s %s roles", event.getOperationType(), type, id);
switch (type) {
case "users" -> {
UserModel user = getUser(id);
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
}
case "groups" -> {
GroupModel group = getGroup(id);
session.users().getGroupMembersStream(session.getContext().getRealm(), group).forEach(user -> {
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
});
}
}
handleRoleMappingEvent(event, type, id);
}
default -> {
// No other resource modification has to be propagated to SCIM Servers
}
}
}
private void handleUserEvent(AdminEvent userEvent, String userId) {
LOGGER.infof("[SCIM] Propagate User %s - %s", userEvent.getOperationType(), userId);
switch (userEvent.getOperationType()) {
case CREATE -> {
UserModel user = getUser(userId);
dispatcher.dispatchUserModificationToAll(client -> client.create(user));
user.getGroupsStream().forEach(group ->
dispatcher.dispatchGroupModificationToAll(client -> client.replace(group)
));
}
case UPDATE -> {
UserModel user = getUser(userId);
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
}
case DELETE -> dispatcher.dispatchUserModificationToAll(client -> client.delete(userId));
default -> {
// ACTION userEvent are not relevant, nothing to do
}
}
}
/**
* Propagating the given group-related event to SCIM servers.
*
* @param event the event to propagate
* @param groupId event target's id
*/
private void handleGroupEvent(AdminEvent event, String groupId) {
LOGGER.infof("[SCIM] Propagate Group %s - %s", event.getOperationType(), groupId);
switch (event.getOperationType()) {
case CREATE -> {
GroupModel group = getGroup(groupId);
dispatcher.dispatchGroupModificationToAll(client -> client.create(group));
}
case UPDATE -> {
GroupModel group = getGroup(groupId);
dispatcher.dispatchGroupModificationToAll(client -> client.replace(group));
}
case DELETE -> dispatcher.dispatchGroupModificationToAll(client -> client.delete(groupId));
default -> {
// ACTION event are not relevant, nothing to do
}
}
}
private void handleGroupMemberShipEvent(AdminEvent groupMemberShipEvent, String userId, String groupId) {
LOGGER.infof("[SCIM] Propagate GroupMemberShip %s - User %s Group %s", groupMemberShipEvent.getOperationType(), userId, groupId);
GroupModel group = getGroup(groupId);
group.setSingleAttribute("scim-dirty", BooleanUtils.TRUE);
UserModel user = getUser(userId);
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
}
private void handleRoleMappingEvent(AdminEvent roleMappingEvent, String type, String id) {
LOGGER.infof("[SCIM] Propagate RoleMapping %s - %s %s", roleMappingEvent.getOperationType(), type, id);
switch (type) {
case "users" -> {
UserModel user = getUser(id);
dispatcher.dispatchUserModificationToAll(client -> client.replace(user));
}
case "groups" -> {
GroupModel group = getGroup(id);
session.users()
.getGroupMembersStream(session.getContext().getRealm(), group)
.forEach(user ->
dispatcher.dispatchUserModificationToAll(client -> client.replace(user)
));
}
default -> {
// No other type is relevant for propagation
}
}
}
private UserModel getUser(String id) {
return session.users().getUserById(session.getContext().getRealm(), id);
}
@ -136,4 +182,10 @@ public class ScimEventListenerProvider implements EventListenerProvider {
private GroupModel getGroup(String id) {
return session.groups().getGroupById(session.getContext().getRealm(), id);
}
@Override
public void close() {
// Nothing to close here
}
}

12
src/main/java/sh/libre/scim/event/ScimEventListenerProviderFactory.java
View file

@ -13,20 +13,24 @@ public class ScimEventListenerProviderFactory implements EventListenerProviderFa
return new ScimEventListenerProvider(session);
}
@Override
public String getId() {
return "scim";
}
@Override
public void init(Scope config) {
// Nothing to initialize
}
@Override
public void postInit(KeycloakSessionFactory factory) {
// Nothing to initialize
}
@Override
public void close() {
// Nothing to close
}
@Override
public String getId() {
return "scim";
}
}