jetty filter with annotation

cherkavi · web-flow · commit 9c640b7a64e6 · 2023-02-06T16:18:21.000+01:00
diff --git a/JWTTokenRequestTracker-filter.java b/JWTTokenRequestTracker-filter.java
@@ -0,0 +1,34 @@
+// servlet filter, apply filter only for endpoint with annotation
+import com.ubs.jetty.api.rest.security.KeyCloakJWTBody;
+import com.ubs.jetty.api.rest.usage.JWTTokenTracking;
+import com.ubs.jetty.authentication.AuthenticationUtil;
+import com.ubs.metrics.postgres.usertracking.UserTracking;
+import com.ubs.metrics.postgres.usertracking.UserTrackingDAO;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
+import javax.annotation.Priority;
+import javax.inject.Inject;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.Priorities;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerRequestFilter;
+import javax.ws.rs.core.Context;
+import javax.ws.rs.ext.Provider;
+import lombok.Setter;
+
+@Provider
+@JWTTokenTracking // filter will work only for methods with this annotation
+@Priority(Priorities.USER)
+public class JWTTokenRequestTracker implements ContainerRequestFilter {
+
+  @Context @Setter private HttpServletRequest request;
+
+  static Cache<String, UserTracking> jwtUserCache = CacheBuilder.newBuilder().maximumSize(2000).expireAfterWrite(360, TimeUnit.SECONDS).build();
+
+  @Override
+  public void filter(ContainerRequestContext requestContext) throws IOException {
+    KeyCloakJWTBody keyCloakJWTBody = AuthenticationUtil.getKeyCloakJWTBodyFromRequest(request);
+    ...
+  }
+
+}
