1 files changed, 58 insertions, 0 deletions
diff --git a/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/AbstractServletFilter.java b/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/AbstractServletFilter.java
new file mode 100644
index 0000000..bf165f9
--- /dev/null
+++ b/reference/logging-filter/logging-filter-base/src/main/java/org/onap/logging/filter/base/AbstractServletFilter.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - Logging
+ * ================================================================================
+ * Copyright (C) 2019 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.logging.filter.base;
+
+import java.util.Enumeration;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.ws.rs.core.HttpHeaders;
+
+public abstract class AbstractServletFilter {
+    protected static final String REDACTED = "***REDACTED***";
+
+    protected String getSecureRequestHeaders(HttpServletRequest httpRequest) {
+        StringBuilder sb = new StringBuilder();
+        String header;
+        for (Enumeration<String> e = httpRequest.getHeaderNames(); e.hasMoreElements();) {
+            header = e.nextElement();
+            sb.append(header);
+            sb.append(":");
+            if (header.equalsIgnoreCase(HttpHeaders.AUTHORIZATION)) {
+                sb.append(REDACTED);
+            } else {
+                sb.append(httpRequest.getHeader(header));
+            }
+            sb.append(";");
+        }
+        return sb.toString();
+    }
+
+    protected String formatResponseHeaders(HttpServletResponse response) {
+        StringBuilder sb = new StringBuilder();
+        for (String headerName : response.getHeaderNames()) {
+            sb.append(headerName);
+            sb.append(":");
+            sb.append(response.getHeader(headerName));
+            sb.append(";");
+        }
+        return sb.toString();
+    }
+}