From 8d8a63c364818b969f90badeb271df3988e8ff56 Mon Sep 17 00:00:00 2001
From: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Date: Thu, 27 Apr 2023 08:47:17 +0000
Subject: [PATCH] Update to Keycloak 21.1.1

---
 src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java |   52 +++++++++++++++++++++++++++++-----------------------
 1 files changed, 29 insertions(+), 23 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 339051f..103249f 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/AuthorizationEndpoint.java
@@ -6,7 +6,7 @@
 import org.keycloak.events.EventBuilder;
 import org.keycloak.events.EventType;
 import org.keycloak.models.ClientModel;
-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;
@@ -26,15 +26,22 @@
     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 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);
 
@@ -42,46 +49,50 @@
         checkRealm();
         checkClient(service);
 
-        AuthorizationEndpointChecks checks = getOrCreateAuthenticationSession(client, null);
-        if (checks.response != null) {
-            return checks.response;
-        }
-
-        authenticationSession = checks.authSession;
+        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(authenticationSession, new CASLoginProtocol(session, realm, uriInfo, headers, event), gateway, false);
+        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);
@@ -93,10 +104,5 @@
         authenticationSession.setProtocol(CASLoginProtocol.LOGIN_PROTOCOL);
         authenticationSession.setRedirectUri(redirectUri);
         authenticationSession.setAction(AuthenticationSessionModel.Action.AUTHENTICATE.name());
-    }
-
-    @Override
-    protected boolean isNewRequest(AuthenticationSessionModel authSession, ClientModel clientFromRequest, String requestState) {
-        return true;
     }
 }

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