1 files changed, 54 insertions, 0 deletions
diff --git a/grpc-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/grpc/cds/BasicAuthClientInterceptor.java b/grpc-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/grpc/cds/BasicAuthClientInterceptor.java
new file mode 100644
index 00000000..5d2e848c
--- /dev/null
+++ b/grpc-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/grpc/cds/BasicAuthClientInterceptor.java
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2019 Bell Canada.
+ *
+ * Licensed 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.onap.ccsdk.sli.adaptors.grpc.cds;
+
+import io.grpc.CallOptions;
+import io.grpc.Channel;
+import io.grpc.ClientCall;
+import io.grpc.ClientInterceptor;
+import io.grpc.ForwardingClientCall;
+import io.grpc.Metadata;
+import io.grpc.Metadata.Key;
+import io.grpc.MethodDescriptor;
+import org.apache.http.HttpHeaders;
+import org.onap.ccsdk.sli.adaptors.grpc.GrpcProperties;
+
+public class BasicAuthClientInterceptor implements ClientInterceptor {
+
+    private GrpcProperties props;
+
+    public BasicAuthClientInterceptor(GrpcProperties props) {
+        this.props = props;
+    }
+
+    @Override
+    public <ReqT, RespT> ClientCall<ReqT, RespT> interceptCall(
+        MethodDescriptor<ReqT, RespT> method,
+        CallOptions callOptions,
+        Channel channel) {
+
+        Key<String> authHeader = Key.of(HttpHeaders.AUTHORIZATION, Metadata.ASCII_STRING_MARSHALLER);
+
+        return new ForwardingClientCall.SimpleForwardingClientCall<ReqT, RespT>(
+            channel.newCall(method, callOptions)) {
+            @Override
+            public void start(Listener<RespT> responseListener, Metadata headers) {
+                headers.put(authHeader, props.getAuth());
+                super.start(responseListener, headers);
+            }
+        };
+    }
+}