OIDC okta testing

src/modules/rest/api/src/main/java/it/geosolutions/geostore/services/rest/model/SessionToken.java

@@ -5,10 +5,12 @@
 
 @XmlRootElement
 public class SessionToken {
-    String token_type;
-    String access_token;
-    String refresh_token;
-    Long expires;
+    private String token_type;
+    private String access_token;
+    private String refresh_token;
+    private Long expires;
+    private String error;
+    private String warning;
 
     @XmlElement(name = "token_type")
     public String getTokenType() {
@@ -38,11 +40,29 @@ public void setExpires(Long expires) {
     }
 
     @XmlElement(name = "refresh_token")
+    public String getRefreshToken() {
+        return refresh_token;
+    }
+
     public void setRefreshToken(String refresh_token) {
         this.refresh_token = refresh_token;
     }
 
-    public String getRefreshToken() {
-        return refresh_token;
+    @XmlElement(name = "error")
+    public String getError() {
+        return error;
+    }
+
+    public void setError(String error) {
+        this.error = error;
+    }
+
+    @XmlElement(name = "warning")
+    public String getWarning() {
+        return warning;
+    }
+
+    public void setWarning(String warning) {
+        this.warning = warning;
     }
 }

src/modules/rest/impl/src/main/java/it/geosolutions/geostore/services/rest/security/keycloak/KeycloakSessionServiceDelegate.java

@@ -138,6 +138,16 @@ private SessionToken sessionToken(String accessToken, String refreshToken, Date
     public void doLogout(String sessionId) {
         HttpServletRequest request = OAuth2Utils.getRequest();
         HttpServletResponse response = OAuth2Utils.getResponse();
+        AdapterConfig configuration =
+                GeoStoreContext.bean(KeyCloakConfiguration.class).readAdapterConfig();
+
+        // Check if request, response, or configuration are null
+        if (request == null || response == null || configuration == null) {
+            LOGGER.warn(
+                    "Request, response, or configuration is null, unable to proceed with logout.");
+            return;
+        }
+
         KeyCloakHelper helper = GeoStoreContext.bean(KeyCloakHelper.class);
         KeycloakDeployment deployment = helper.getDeployment(request, response);
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
@@ -146,12 +156,10 @@ public void doLogout(String sessionId) {
             refreshToken = ((KeycloakTokenDetails) authentication.getDetails()).getRefreshToken();
         }
         String logoutUrl = deployment.getLogoutUrl().build().toString();
-        AdapterConfig adapterConfig =
-                GeoStoreContext.bean(KeyCloakConfiguration.class).readAdapterConfig();
-        Configuration clientConfiguration = helper.getClientConfiguration(adapterConfig);
+        Configuration clientConfiguration = helper.getClientConfiguration(configuration);
         Http http = new Http(clientConfiguration, (params, headers) -> {});
-        String clientId = adapterConfig.getResource();
-        String secret = (String) adapterConfig.getCredentials().get("secret");
+        String clientId = configuration.getResource();
+        String secret = (String) configuration.getCredentials().get("secret");
         try {
             http.post(logoutUrl)
                     .form()