From c8625160e9f918bbf165894379f68c281cfc48de Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Fri, 24 Nov 2023 15:41:48 +0000
Subject: [PATCH] Switch to JDK 17 (already a Keycloak prerequisite)

---
 src/main/java/org/keycloak/protocol/cas/endpoints/AbstractValidateEndpoint.java |   42 +++++++++++++++---------------------------
 1 files changed, 15 insertions(+), 27 deletions(-)

diff --git a/src/main/java/org/keycloak/protocol/cas/endpoints/AbstractValidateEndpoint.java b/src/main/java/org/keycloak/protocol/cas/endpoints/AbstractValidateEndpoint.java
index ecec352..6ad1ad5 100644
--- a/src/main/java/org/keycloak/protocol/cas/endpoints/AbstractValidateEndpoint.java
+++ b/src/main/java/org/keycloak/protocol/cas/endpoints/AbstractValidateEndpoint.java
@@ -1,8 +1,7 @@
 package org.keycloak.protocol.cas.endpoints;
 
+import jakarta.ws.rs.core.Response;
 import org.jboss.logging.Logger;
-import org.jboss.resteasy.spi.HttpRequest;
-import org.keycloak.common.ClientConnection;
 import org.keycloak.events.Details;
 import org.keycloak.events.Errors;
 import org.keycloak.events.EventBuilder;
@@ -12,40 +11,32 @@
 import org.keycloak.protocol.cas.mappers.CASAttributeMapper;
 import org.keycloak.protocol.cas.representations.CASErrorCode;
 import org.keycloak.protocol.cas.utils.CASValidationException;
+import org.keycloak.protocol.oidc.utils.OAuth2CodeParser;
 import org.keycloak.protocol.oidc.utils.RedirectUtils;
 import org.keycloak.services.managers.AuthenticationManager;
-import org.keycloak.services.managers.ClientSessionCode;
 import org.keycloak.services.util.DefaultClientSessionContext;
 
-import javax.ws.rs.core.Context;
-import javax.ws.rs.core.HttpHeaders;
-import javax.ws.rs.core.Response;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 public abstract class AbstractValidateEndpoint {
     protected final Logger logger = Logger.getLogger(getClass());
-    @Context
     protected KeycloakSession session;
-    @Context
-    protected ClientConnection clientConnection;
-    @Context
-    protected HttpRequest request;
-    @Context
-    protected HttpHeaders headers;
     protected RealmModel realm;
     protected EventBuilder event;
     protected ClientModel client;
     protected AuthenticatedClientSessionModel clientSession;
 
-    public AbstractValidateEndpoint(RealmModel realm, EventBuilder event) {
+    public AbstractValidateEndpoint(KeycloakSession session, RealmModel realm, EventBuilder event) {
+        this.session = session;
         this.realm = realm;
         this.event = event;
     }
 
     protected void checkSsl() {
-        if (!session.getContext().getUri().getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(clientConnection)) {
+        if (!session.getContext().getUri().getBaseUri().getScheme().equals("https") && realm.getSslRequired().isRequired(session.getContext().getConnection())) {
             throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "HTTPS required", Response.Status.FORBIDDEN);
         }
     }
@@ -62,9 +53,11 @@
             throw new CASValidationException(CASErrorCode.INVALID_REQUEST, "Missing parameter: " + CASLoginProtocol.SERVICE_PARAM, Response.Status.BAD_REQUEST);
         }
 
-        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(session.getContext().getUri(), service, realm, c) != null)
+                .filter(c -> RedirectUtils.verifyRedirectUri(session, service, c) != null)
                 .findFirst().orElse(null);
         if (client == null) {
             event.error(Errors.CLIENT_NOT_FOUND);
@@ -93,13 +86,8 @@
 
         String code = ticket.substring(CASLoginProtocol.SERVICE_TICKET_PREFIX.length());
 
-        String[] parts = code.split("\\.");
-        if (parts.length == 4) {
-            event.detail(Details.CODE_ID, parts[2]);
-        }
-
-        ClientSessionCode.ParseResult<AuthenticatedClientSessionModel> parseResult = ClientSessionCode.parseResult(code, null, session, realm, client, event, AuthenticatedClientSessionModel.class);
-        if (parseResult.isAuthSessionNotFound() || parseResult.isIllegalHash()) {
+        OAuth2CodeParser.ParseResult parseResult = OAuth2CodeParser.parseCode(session, code, realm, event);
+        if (parseResult.isIllegalCode()) {
             event.error(Errors.INVALID_CODE);
 
             // Attempt to use same code twice should invalidate existing clientSession
@@ -113,7 +101,7 @@
 
         clientSession = parseResult.getClientSession();
 
-        if (parseResult.isExpiredToken()) {
+        if (parseResult.isExpiredCode()) {
             event.error(Errors.EXPIRED_CODE);
             throw new CASValidationException(CASErrorCode.INVALID_TICKET, "Code is expired", Response.Status.BAD_REQUEST);
         }
@@ -159,9 +147,9 @@
     protected Map<String, Object> getUserAttributes() {
         UserSessionModel userSession = clientSession.getUserSession();
         // CAS protocol does not support scopes, so pass null scopeParam
-        ClientSessionContext clientSessionCtx = DefaultClientSessionContext.fromClientSessionAndScopeParameter(clientSession, null);
+        ClientSessionContext clientSessionCtx = DefaultClientSessionContext.fromClientSessionAndScopeParameter(clientSession, null, session);
 
-        Set<ProtocolMapperModel> mappings = clientSessionCtx.getProtocolMappers();
+        Set<ProtocolMapperModel> mappings = clientSessionCtx.getProtocolMappersStream().collect(Collectors.toSet());
         KeycloakSessionFactory sessionFactory = session.getKeycloakSessionFactory();
         Map<String, Object> attributes = new HashMap<>();
         for (ProtocolMapperModel mapping : mappings) {

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