Update to Keycloak 21.0.0

 pom.xml

@@ -22,7 +22,7 @@

    <groupId>org.keycloak</groupId>
    <artifactId>keycloak-protocol-cas</artifactId>
    <version>20.0.5</version>
    <version>21.0.0</version>
    <name>Keycloak CAS Protocol</name>
    <description />

@@ -36,7 +36,7 @@
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.target>1.8</maven.compiler.target>
        <maven.compiler.source>1.8</maven.compiler.source>
        <project.build.outputTimestamp>1676969243</project.build.outputTimestamp>
        <project.build.outputTimestamp>1677228457</project.build.outputTimestamp>
    </properties>

    <dependencies>

 src/main/java/org/keycloak/protocol/cas/CASLoginProtocolFactory.java

@@ -86,8 +86,8 @@
    }

    @Override
    public Object createProtocolEndpoint(RealmModel realm, EventBuilder event) {
        return new CASLoginProtocolService(realm, event);
    public Object createProtocolEndpoint(KeycloakSession session, EventBuilder event) {
        return new CASLoginProtocolService(session, event);
    }

    @Override

 src/main/java/org/keycloak/protocol/cas/CASLoginProtocolService.java

@@ -12,11 +12,9 @@
import javax.ws.rs.core.*;

public class CASLoginProtocolService {
    private KeycloakSession session;
    private RealmModel realm;
    private EventBuilder event;

    @Context
    private KeycloakSession session;

    @Context
    private HttpHeaders headers;
@@ -24,8 +22,9 @@
    @Context
    private HttpRequest request;

    public CASLoginProtocolService(RealmModel realm, EventBuilder event) {
        this.realm = realm;
    public CASLoginProtocolService(KeycloakSession session, EventBuilder event) {
        this.session = session;
        this.realm = session.getContext().getRealm();
        this.event = event;
    }

@@ -35,7 +34,7 @@

    @Path("login")
    public Object login() {
        AuthorizationEndpoint endpoint = new AuthorizationEndpoint(realm, event);
        AuthorizationEndpoint endpoint = new AuthorizationEndpoint(session, event);
        ResteasyProviderFactory.getInstance().injectProperties(endpoint);
        return endpoint;
    }

 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;
@@ -26,8 +26,8 @@
    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);
    }

@@ -53,7 +53,7 @@
        updateAuthenticationSession();

        // So back button doesn't work
        CacheControlUtil.noBackButtonCacheControlHeader();
        CacheControlUtil.noBackButtonCacheControlHeader(session);

        if (renew) {
            authenticationSession.setClientNote(CASLoginProtocol.RENEW_PARAM, "true");