1 files changed, 50 insertions, 0 deletions
diff --git a/aai-aaf-auth/src/main/java/org/onap/aai/aaf/filters/PayloadBufferingRequestWrapper.java b/aai-aaf-auth/src/main/java/org/onap/aai/aaf/filters/PayloadBufferingRequestWrapper.java
new file mode 100644
index 00000000..eb8a61dd
--- /dev/null
+++ b/aai-aaf-auth/src/main/java/org/onap/aai/aaf/filters/PayloadBufferingRequestWrapper.java
@@ -0,0 +1,50 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.aai.aaf.filters;
+
+import org.apache.commons.io.IOUtils;
+import org.onap.aaf.cadi.BufferedServletInputStream;
+
+import javax.servlet.ServletInputStream;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletRequestWrapper;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+
+/**
+ * This class buffers the payload of the servlet request. The reason is that we access the payload multiple times,
+ * which is not supported by the request per se.
+ */
+
+class PayloadBufferingRequestWrapper extends HttpServletRequestWrapper {
+
+    private byte[] buffer;
+
+    PayloadBufferingRequestWrapper(HttpServletRequest req) throws IOException {
+        super(req);
+        this.buffer = IOUtils.toByteArray(req.getInputStream());
+    }
+
+    @Override
+    public ServletInputStream getInputStream() {
+        ByteArrayInputStream bais = new ByteArrayInputStream(this.buffer);
+        return new BufferedServletInputStream(bais);
+    }
+}