From fb26284c00e09e656732eb7ca4570afd052e0067 Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Fri, 21 Jun 2024 11:47:01 +0000
Subject: [PATCH] Improve error reporting in CAS ticket validation
---
src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java | 86 +++++++++++++++++++++++--------------------
1 files changed, 46 insertions(+), 40 deletions(-)
diff --git a/src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java b/src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java
index aff46db..1dc2eef 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java
@@ -1,90 +1,97 @@
package org.keycloak.protocol.cas.endpoints;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.core.MultivaluedMap;
+import jakarta.ws.rs.core.Response;
import org.jboss.logging.Logger;
import org.keycloak.events.Details;
import org.keycloak.events.Errors;
import org.keycloak.events.EventBuilder;
import org.keycloak.events.EventType;
import org.keycloak.models.ClientModel;
-import org.keycloak.models.ClientSessionModel;
-import org.keycloak.models.RealmModel;
+import org.keycloak.models.KeycloakSession;
import org.keycloak.protocol.AuthorizationEndpointBase;
import org.keycloak.protocol.cas.CASLoginProtocol;
import org.keycloak.protocol.oidc.utils.RedirectUtils;
import org.keycloak.services.ErrorPageException;
import org.keycloak.services.messages.Messages;
import org.keycloak.services.util.CacheControlUtil;
-
-import javax.ws.rs.GET;
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response;
+import org.keycloak.sessions.AuthenticationSessionModel;
public class AuthorizationEndpoint extends AuthorizationEndpointBase {
private static final Logger logger = Logger.getLogger(AuthorizationEndpoint.class);
private ClientModel client;
- private ClientSessionModel clientSession;
+ private AuthenticationSessionModel authenticationSession;
private String redirectUri;
- public AuthorizationEndpoint(RealmModel realm, EventBuilder event) {
- super(realm, event);
+ public AuthorizationEndpoint(KeycloakSession session, EventBuilder event) {
+ super(session, event);
event.event(EventType.LOGIN);
}
@GET
public Response build() {
- MultivaluedMap<String, String> params = uriInfo.getQueryParameters();
+ MultivaluedMap<String, String> params = session.getContext().getUri().getQueryParameters();
String service = params.getFirst(CASLoginProtocol.SERVICE_PARAM);
- boolean renew = "true".equalsIgnoreCase(params.getFirst(CASLoginProtocol.RENEW_PARAM));
- boolean gateway = "true".equalsIgnoreCase(params.getFirst(CASLoginProtocol.GATEWAY_PARAM));
+
+ boolean isSaml11Request = false;
+ if (service == null && params.containsKey(CASLoginProtocol.TARGET_PARAM)) {
+ // SAML 1.1 authorization uses the TARGET parameter instead of service
+ service = params.getFirst(CASLoginProtocol.TARGET_PARAM);
+ isSaml11Request = true;
+ }
+ boolean renew = params.containsKey(CASLoginProtocol.RENEW_PARAM);
+ boolean gateway = params.containsKey(CASLoginProtocol.GATEWAY_PARAM);
checkSsl();
checkRealm();
checkClient(service);
- createClientSession();
+ authenticationSession = createAuthenticationSession(client, null);
+ updateAuthenticationSession();
+
// So back button doesn't work
- CacheControlUtil.noBackButtonCacheControlHeader();
+ CacheControlUtil.noBackButtonCacheControlHeader(session);
+
+ if (renew) {
+ authenticationSession.setClientNote(CASLoginProtocol.RENEW_PARAM, "true");
+ }
+ if (gateway) {
+ authenticationSession.setClientNote(CASLoginProtocol.GATEWAY_PARAM, "true");
+ }
+ if (isSaml11Request) {
+ // Flag the session so we can return the ticket as "SAMLart" in the response
+ authenticationSession.setClientNote(CASLoginProtocol.TARGET_PARAM, "true");
+ }
this.event.event(EventType.LOGIN);
- return handleBrowserAuthenticationRequest(clientSession, new CASLoginProtocol(session, realm, uriInfo, headers, event, renew), gateway, false);
- }
-
- private void checkSsl() {
- if (!uriInfo.getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(clientConnection)) {
- event.error(Errors.SSL_REQUIRED);
- throw new ErrorPageException(session, Messages.HTTPS_REQUIRED);
- }
- }
-
- private void checkRealm() {
- if (!realm.isEnabled()) {
- event.error(Errors.REALM_DISABLED);
- throw new ErrorPageException(session, Messages.REALM_NOT_ENABLED);
- }
+ return handleBrowserAuthenticationRequest(authenticationSession, new CASLoginProtocol(session, realm, session.getContext().getUri(), headers, event), gateway, false);
}
private void checkClient(String service) {
if (service == null) {
event.error(Errors.INVALID_REQUEST);
- throw new ErrorPageException(session, Messages.MISSING_PARAMETER, CASLoginProtocol.SERVICE_PARAM);
+ throw new ErrorPageException(session, Response.Status.BAD_REQUEST, Messages.MISSING_PARAMETER, CASLoginProtocol.SERVICE_PARAM);
}
- client = realm.getClients().stream()
+ event.detail(Details.REDIRECT_URI, service);
+
+ client = realm.getClientsStream()
.filter(c -> CASLoginProtocol.LOGIN_PROTOCOL.equals(c.getProtocol()))
- .filter(c -> RedirectUtils.verifyRedirectUri(uriInfo, service, realm, c) != null)
+ .filter(c -> RedirectUtils.verifyRedirectUri(session, service, c) != null)
.findFirst().orElse(null);
if (client == null) {
event.error(Errors.CLIENT_NOT_FOUND);
- throw new ErrorPageException(session, Messages.CLIENT_NOT_FOUND);
+ throw new ErrorPageException(session, Response.Status.BAD_REQUEST, Messages.CLIENT_NOT_FOUND);
}
if (!client.isEnabled()) {
event.error(Errors.CLIENT_DISABLED);
- throw new ErrorPageException(session, Messages.CLIENT_DISABLED);
+ throw new ErrorPageException(session, Response.Status.BAD_REQUEST, Messages.CLIENT_DISABLED);
}
- redirectUri = RedirectUtils.verifyRedirectUri(uriInfo, service, realm, client);
+ redirectUri = RedirectUtils.verifyRedirectUri(session, service, client);
event.client(client.getClientId());
event.detail(Details.REDIRECT_URI, redirectUri);
@@ -92,10 +99,9 @@
session.getContext().setClient(client);
}
- private void createClientSession() {
- clientSession = session.sessions().createClientSession(realm, client);
- clientSession.setAuthMethod(CASLoginProtocol.LOGIN_PROTOCOL);
- clientSession.setRedirectUri(redirectUri);
- clientSession.setAction(ClientSessionModel.Action.AUTHENTICATE.name());
+ private void updateAuthenticationSession() {
+ authenticationSession.setProtocol(CASLoginProtocol.LOGIN_PROTOCOL);
+ authenticationSession.setRedirectUri(redirectUri);
+ authenticationSession.setAction(AuthenticationSessionModel.Action.AUTHENTICATE.name());
}
}
--
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