Github user m4rkmckenna commented on a diff in the pull request:
https://github.com/apache/brooklyn-server/pull/519#discussion_r96662638
--- Diff:
rest/rest-resources/src/main/java/org/apache/brooklyn/rest/filter/CorsImplSupplierFilter.java
---
@@ -0,0 +1,81 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.brooklyn.rest.filter;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+import com.google.common.reflect.TypeToken;
+import org.apache.brooklyn.api.mgmt.ManagementContext;
+import org.apache.brooklyn.config.ConfigKey;
+import org.apache.brooklyn.core.BrooklynFeatureEnablement;
+import org.apache.brooklyn.core.config.ConfigKeys;
+import org.apache.brooklyn.util.JavaGroovyEquivalents;
+import org.apache.cxf.rs.security.cors.CrossOriginResourceSharingFilter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.annotation.Nullable;
+import javax.ws.rs.container.ContainerRequestContext;
+import javax.ws.rs.container.ContainerResponseContext;
+import javax.ws.rs.ext.Provider;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * @see BrooklynFeatureEnablement#FEATURE_CORS_CXF_PROPERTY
+ */
+@Provider
+public class CorsImplSupplierFilter extends
CrossOriginResourceSharingFilter {
+ public static final ConfigKey<List<String>> ALLOWED_ORIGINS =
ConfigKeys.newConfigKey(new TypeToken<List<String>>() {},
+ BrooklynFeatureEnablement.FEATURE_CORS_CXF_PROPERTY +
".allowedOrigins",
+ "List of allowed origins. Access-Control-Allow-Origin header
will be returned to client if Origin header in request is matching exactly a
value among the list allowed origins. " +
+ "If AllowedOrigins is empty or not specified then all
origins are allowed. " +
+ "No wildcard allowed origins are supported.",
+ Collections.<String>emptyList());
+ private static final Logger LOGGER =
LoggerFactory.getLogger(CorsImplSupplierFilter.class);
+
+ private static final boolean brooklynFeatureEnabled =
BrooklynFeatureEnablement.isEnabled(BrooklynFeatureEnablement.FEATURE_CORS_CXF_PROPERTY);
+ static {
+ if (brooklynFeatureEnabled) {
+ LOGGER.info("CORS brooklyn feature enabled.");
+ }
+ }
+
+ @VisibleForTesting
+ public CorsImplSupplierFilter(@Nullable ManagementContext mgmt) {
+ setFindResourceMethod(false);
+ Preconditions.checkNotNull(mgmt,"ManagementContext should be
suppplied to CORS filter.");
+ setAllowOrigins(JavaGroovyEquivalents.<List<String>>elvis(
+ mgmt.getConfig().getConfig(ALLOWED_ORIGINS),
Collections.<String>emptyList()));
--- End diff --
@bostko Please expose all configuration the filter provides as it is all
needed
See
https://cxf.apache.org/javadoc/latest/org/apache/cxf/rs/security/cors/CrossOriginResourceSharingFilter.html
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