1 files changed, 36 insertions, 0 deletions
diff --git a/jdisc-security-filters/src/main/java/com/yahoo/jdisc/http/filter/security/cors/CorsResponseFilter.java b/jdisc-security-filters/src/main/java/com/yahoo/jdisc/http/filter/security/cors/CorsResponseFilter.java
new file mode 100644
index 00000000000..d0b9e4ce7c9
--- /dev/null
+++ b/jdisc-security-filters/src/main/java/com/yahoo/jdisc/http/filter/security/cors/CorsResponseFilter.java
@@ -0,0 +1,36 @@
+// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.jdisc.http.filter.security.cors;
+
+import com.google.inject.Inject;
+import com.yahoo.jdisc.AbstractResource;
+import com.yahoo.jdisc.http.filter.DiscFilterResponse;
+import com.yahoo.jdisc.http.filter.RequestView;
+import com.yahoo.jdisc.http.filter.SecurityResponseFilter;
+import com.yahoo.yolean.chain.Provides;
+
+import java.util.HashSet;
+import java.util.Set;
+
+
+/**
+ * @author gv
+ * @author Tony Vaagenes
+ * @author bjorncs
+ */
+@Provides("CorsResponseFilter")
+public class CorsResponseFilter extends AbstractResource implements SecurityResponseFilter {
+
+    private final Set<String> allowedUrls;
+
+    @Inject
+    public CorsResponseFilter(CorsFilterConfig config) {
+        this.allowedUrls = new HashSet<>(config.allowedUrls());
+    }
+
+    @Override
+    public void filter(DiscFilterResponse response, RequestView request) {
+        CorsLogic.createCorsResponseHeaders(request.getFirstHeader("Origin").orElse(null), allowedUrls)
+                .forEach(response::setHeader);
+    }
+
+}