From 305397f3cdee10d6558eec3362a90ffde7da9b0b Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Wed, 30 Oct 2024 10:17:47 +0000
Subject: [PATCH] Workflows: reuse test.yml in release.yml

---
 src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java |   99 ++++++++++++++++++++++++++++++++++++++-----------
 1 files changed, 76 insertions(+), 23 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java b/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
index 8198a35..3961cfa 100644
--- a/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
+++ b/src/main/java/org/keycloak/protocol/cas/CASLoginProtocol.java
@@ -1,19 +1,24 @@
 package org.keycloak.protocol.cas;
 
+import jakarta.ws.rs.core.HttpHeaders;
+import jakarta.ws.rs.core.Response;
+import jakarta.ws.rs.core.UriInfo;
 import org.apache.http.HttpEntity;
 import org.jboss.logging.Logger;
 import org.keycloak.common.util.KeycloakUriBuilder;
+import org.keycloak.events.Details;
 import org.keycloak.events.EventBuilder;
 import org.keycloak.events.EventType;
+import org.keycloak.forms.login.LoginFormsProvider;
 import org.keycloak.models.*;
+import org.keycloak.protocol.ClientData;
 import org.keycloak.protocol.LoginProtocol;
+import org.keycloak.protocol.cas.endpoints.AbstractValidateEndpoint;
 import org.keycloak.protocol.cas.utils.LogoutHelper;
-import org.keycloak.services.managers.ClientSessionCode;
+import org.keycloak.services.ErrorPage;
 import org.keycloak.services.managers.ResourceAdminManager;
+import org.keycloak.sessions.AuthenticationSessionModel;
 
-import javax.ws.rs.core.HttpHeaders;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.core.UriInfo;
 import java.io.IOException;
 import java.net.URI;
 
@@ -23,15 +28,25 @@
     public static final String LOGIN_PROTOCOL = "cas";
 
     public static final String SERVICE_PARAM = "service";
+    public static final String TARGET_PARAM = "TARGET";
     public static final String RENEW_PARAM = "renew";
     public static final String GATEWAY_PARAM = "gateway";
     public static final String TICKET_PARAM = "ticket";
     public static final String FORMAT_PARAM = "format";
+    public static final String PGTURL_PARAM = "pgtUrl";
+    public static final String TARGET_SERVICE_PARAM = "targetService";
+    public static final String PGT_PARAM = "pgt";
 
     public static final String TICKET_RESPONSE_PARAM = "ticket";
+    public static final String SAMLART_RESPONSE_PARAM = "SAMLart";
 
     public static final String SERVICE_TICKET_PREFIX = "ST-";
-    public static final String SESSION_SERVICE_TICKET = "service_ticket";
+    public static final String PROXY_GRANTING_TICKET_IOU_PREFIX = "PGTIOU-";
+    public static final String PROXY_GRANTING_TICKET_PREFIX = "PGT-";
+    public static final String PROXY_TICKET_PREFIX = "PT-";
+    public static final String SESSION_TICKET = "service_ticket";
+
+    public static final String LOGOUT_REDIRECT_URI = "CAS_LOGOUT_REDIRECT_URI";
 
     protected KeycloakSession session;
     protected RealmModel realm;
@@ -81,14 +96,22 @@
     }
 
     @Override
-    public Response authenticated(UserSessionModel userSession, ClientSessionCode accessCode) {
-        ClientSessionModel clientSession = accessCode.getClientSession();
+    public Response authenticated(AuthenticationSessionModel authSession, UserSessionModel userSession, ClientSessionContext clientSessionCtx) {
+        AuthenticatedClientSessionModel clientSession = clientSessionCtx.getClientSession();
 
-        String service = clientSession.getRedirectUri();
+        String service = authSession.getRedirectUri();
         //TODO validate service
-        accessCode.setAction(ClientSessionModel.Action.CODE_TO_TOKEN.name());
+
         KeycloakUriBuilder uriBuilder = KeycloakUriBuilder.fromUri(service);
-        uriBuilder.queryParam(TICKET_RESPONSE_PARAM, SERVICE_TICKET_PREFIX + accessCode.getCode());
+
+        String loginTicket = AbstractValidateEndpoint.getST(session, clientSession, service);
+
+        if (authSession.getClientNotes().containsKey(CASLoginProtocol.TARGET_PARAM)) {
+            // This was a SAML 1.1 auth request so return the ticket ID as "SAMLart" instead of "ticket"
+            uriBuilder.queryParam(SAMLART_RESPONSE_PARAM, loginTicket);
+        } else {
+            uriBuilder.queryParam(TICKET_RESPONSE_PARAM, loginTicket);
+        }
 
         URI redirectUri = uriBuilder.build();
 
@@ -97,25 +120,40 @@
     }
 
     @Override
-    public Response sendError(ClientSessionModel clientSession, Error error) {
-        return Response.serverError().entity(error).build();
+    public Response sendError(AuthenticationSessionModel authSession, Error error) {
+        if (authSession.getClientNotes().containsKey(CASLoginProtocol.GATEWAY_PARAM)) {
+            if (error == Error.PASSIVE_INTERACTION_REQUIRED || error == Error.PASSIVE_LOGIN_REQUIRED) {
+                return Response.status(302).location(URI.create(authSession.getRedirectUri())).build();
+            }
+        }
+        return ErrorPage.error(session, authSession, Response.Status.INTERNAL_SERVER_ERROR, error.name());
     }
 
     @Override
-    public void backchannelLogout(UserSessionModel userSession, ClientSessionModel clientSession) {
+    public ClientData getClientData(AuthenticationSessionModel authSession) {
+        return new ClientData(authSession.getRedirectUri(), null, null, null);
+    }
+
+    @Override
+    public Response sendError(ClientModel clientModel, ClientData clientData, Error error) {
+        return null;
+    }
+
+    @Override
+    public Response backchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
         String logoutUrl = clientSession.getRedirectUri();
-        String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_SERVICE_TICKET);
+        String serviceTicket = clientSession.getNote(CASLoginProtocol.SESSION_TICKET);
         //check if session is fully authenticated (i.e. serviceValidate has been called)
         if (serviceTicket != null && !serviceTicket.isEmpty()) {
             sendSingleLogoutRequest(logoutUrl, serviceTicket);
         }
         ClientModel client = clientSession.getClient();
-        new ResourceAdminManager(session).logoutClientSession(uriInfo.getRequestUri(), realm, client, clientSession);
+        return new ResourceAdminManager(session).logoutClientSession(realm, client, clientSession);
     }
 
     private void sendSingleLogoutRequest(String logoutUrl, String serviceTicket) {
-        HttpEntity requestEntity = LogoutHelper.buildSingleLogoutRequest(serviceTicket);
         try {
+            HttpEntity requestEntity = LogoutHelper.buildSingleLogoutRequest(serviceTicket);
             LogoutHelper.postWithRedirect(session, logoutUrl, requestEntity);
             logger.debug("Sent CAS single logout for service " + logoutUrl);
         } catch (IOException e) {
@@ -124,21 +162,36 @@
     }
 
     @Override
-    public Response frontchannelLogout(UserSessionModel userSession, ClientSessionModel clientSession) {
+    public Response frontchannelLogout(UserSessionModel userSession, AuthenticatedClientSessionModel clientSession) {
         // todo oidc redirect support
         throw new RuntimeException("NOT IMPLEMENTED");
     }
 
     @Override
-    public Response finishLogout(UserSessionModel userSession) {
-        event.event(EventType.LOGOUT);
-        event.user(userSession.getUser()).session(userSession).success();
-        return Response.ok().build();
+    public Response finishBrowserLogout(UserSessionModel userSession, AuthenticationSessionModel logoutSession) {
+        String redirectUri = userSession.getNote(CASLoginProtocol.LOGOUT_REDIRECT_URI);
+
+        event.event(EventType.LOGOUT)
+            .user(userSession.getUser())
+            .session(userSession)
+            .detail(Details.USERNAME, userSession.getUser().getUsername());
+
+        if (redirectUri != null) {
+            event.detail(Details.REDIRECT_URI, redirectUri);
+            event.success();
+            return Response.status(302).location(URI.create(redirectUri)).build();
+        }
+
+        event.success();
+
+        LoginFormsProvider infoPage = session.getProvider(LoginFormsProvider.class).setSuccess("Logout successful");
+        infoPage.setAttribute("skipLink", true);
+        return infoPage.createInfoPage();
     }
 
     @Override
-    public boolean requireReauthentication(UserSessionModel userSession, ClientSessionModel clientSession) {
-        return "true".equals(clientSession.getNote(CASLoginProtocol.RENEW_PARAM));
+    public boolean requireReauthentication(UserSessionModel userSession, AuthenticationSessionModel authSession) {
+        return "true".equals(authSession.getClientNote(CASLoginProtocol.RENEW_PARAM));
     }
 
     @Override

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