DR AAF CADI integration

[dmaap/datarouter.git] / datarouter-node / src / main / java / org / onap / dmaap / datarouter / node / DRNodeCadiFilter.java

diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DRNodeCadiFilter.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DRNodeCadiFilter.java
new file mode 100644 (file)
index 0000000..b012259
--- /dev/null
+++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/DRNodeCadiFilter.java
@@ -0,0 +1,99 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2019 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+package org.onap.dmaap.datarouter.node;
+
+import org.apache.log4j.Logger;
+import org.onap.aaf.cadi.PropAccess;
+import org.onap.aaf.cadi.filter.CadiFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+
+public class DRNodeCadiFilter extends CadiFilter {
+    private static Logger logger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeServlet");
+
+    DRNodeCadiFilter(boolean init, PropAccess access) throws ServletException {
+        super(init, access);
+    }
+
+    @Override
+    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+        HttpServletRequest httpRequest = (HttpServletRequest) request;
+        String path = httpRequest.getPathInfo();
+        if (!(path.startsWith("/internal"))) {
+            if (!(httpRequest.getMethod().equalsIgnoreCase("POST"))) {
+                if (httpRequest.getMethod().equalsIgnoreCase("DELETE") && path.startsWith("/delete")) {
+                    chain.doFilter(request, response);
+                } else {
+                    String feedId = getFeedId(request, response);
+                    String aafDbInstance = NodeConfigManager.getInstance().getAafInstance(feedId);
+                    if (aafDbInstance != null && !aafDbInstance.equals("") && !aafDbInstance.equalsIgnoreCase("legacy")) {
+                        logger.info("DRNodeCadiFilter - doFilter: FeedId - " + feedId + ":" + "AAF Instance -" + aafDbInstance);
+                        super.doFilter(request, response, chain);
+                    } else {
+                        logger.info("DRNodeCadiFilter - doFilter: FeedId - " + feedId + ":" + "Legacy Feed");
+                        chain.doFilter(request, response);
+                    }
+                }
+            }
+        } else {
+            chain.doFilter(request, response);
+        }
+    }
+
+    private String getFeedId(ServletRequest request, ServletResponse response) {
+        HttpServletRequest req = (HttpServletRequest) request;
+        HttpServletResponse resp = (HttpServletResponse) response;
+        String fileid = req.getPathInfo();
+        if (fileid == null) {
+            logger.info("NODE0105 Rejecting bad URI for PUT " + req.getPathInfo() + " from " + req.getRemoteAddr());
+            try {
+                resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.");
+            } catch (IOException e) {
+                logger.error("NODE0541 DRNodeCadiFilter.getFeedId: ", e);
+            }
+            return null;
+        }
+        String feedid = "";
+
+        if (fileid.startsWith("/publish/")) {
+            fileid = fileid.substring(9);
+            int i = fileid.indexOf('/');
+            if (i == -1 || i == fileid.length() - 1) {
+                logger.info("NODE0105 Rejecting bad URI for PUT (publish) of " + req.getPathInfo() + " from " + req.getRemoteAddr());
+                try {
+                    resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI.  Expecting <feed-publishing-url>/<fileid>.  Possible missing fileid.");
+                } catch (IOException e) {
+                    logger.error("NODE0542 DRNodeCadiFilter.getFeedId: ", e);
+                }
+                return null;
+            }
+            feedid = fileid.substring(0, i);
+        }
+        return feedid;
+    }
+
+}