-/*******************************************************************************\r
- * ============LICENSE_START==================================================\r
- * * org.onap.dmaap\r
- * * ===========================================================================\r
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
- * * ===========================================================================\r
- * * Licensed under the Apache License, Version 2.0 (the "License");\r
- * * you may not use this file except in compliance with the License.\r
- * * You may obtain a copy of the License at\r
- * * \r
- * * http://www.apache.org/licenses/LICENSE-2.0\r
- * * \r
- * * Unless required by applicable law or agreed to in writing, software\r
- * * distributed under the License is distributed on an "AS IS" BASIS,\r
- * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * * See the License for the specific language governing permissions and\r
- * * limitations under the License.\r
- * * ============LICENSE_END====================================================\r
- * *\r
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
- * *\r
- ******************************************************************************/\r
-\r
-\r
-package org.onap.dmaap.datarouter.node;\r
-\r
-import javax.servlet.*;\r
-import javax.servlet.http.*;\r
-import java.util.*;\r
-import java.util.regex.*;\r
-import java.io.*;\r
-import java.nio.file.*;\r
-import org.apache.log4j.Logger;\r
-import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;\r
-\r
-import com.att.eelf.configuration.EELFLogger;\r
-import com.att.eelf.configuration.EELFManager;\r
-\r
-import java.net.*;\r
-\r
-/**\r
- * Servlet for handling all http and https requests to the data router node\r
- * <p>\r
- * Handled requests are:\r
- * <br>\r
- * GET http://<i>node</i>/internal/fetchProv - fetch the provisioning data\r
- * <br>\r
- * PUT/DELETE https://<i>node</i>/internal/publish/<i>fileid</i> - n2n transfer\r
- * <br>\r
- * PUT/DELETE https://<i>node</i>/publish/<i>feedid</i>/<i>fileid</i> - publsh request\r
- */\r
-public class NodeServlet extends HttpServlet {\r
- private static Logger logger = Logger.getLogger("org.onap.dmaap.datarouter.node.NodeServlet");\r
- private static NodeConfigManager config;\r
- private static Pattern MetaDataPattern;\r
- private static SubnetMatcher internalsubnet = new SubnetMatcher("135.207.136.128/25");\r
- //Adding EELF Logger Rally:US664892 \r
- private static EELFLogger eelflogger = EELFManager.getInstance().getLogger("org.onap.dmaap.datarouter.node.NodeServlet");\r
-\r
- static {\r
- try {\r
- String ws = "\\s*";\r
- // assume that \\ and \" have been replaced by X\r
- String string = "\"[^\"]*\"";\r
- //String string = "\"(?:[^\"\\\\]|\\\\.)*\"";\r
- String number = "[+-]?(?:\\.\\d+|(?:0|[1-9]\\d*)(?:\\.\\d*)?)(?:[eE][+-]?\\d+)?";\r
- String value = "(?:" + string + "|" + number + "|null|true|false)";\r
- String item = string + ws + ":" + ws + value + ws;\r
- String object = ws + "\\{" + ws + "(?:" + item + "(?:" + "," + ws + item + ")*)?\\}" + ws;\r
- MetaDataPattern = Pattern.compile(object, Pattern.DOTALL);\r
- } catch (Exception e) {\r
- }\r
- }\r
- /**\r
- * Get the NodeConfigurationManager\r
- */\r
- public void init() {\r
- config = NodeConfigManager.getInstance();\r
- logger.info("NODE0101 Node Servlet Configured");\r
- }\r
- private boolean down(HttpServletResponse resp) throws IOException {\r
- if (config.isShutdown() || !config.isConfigured()) {\r
- resp.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);\r
- logger.info("NODE0102 Rejecting request: Service is being quiesced");\r
- return(true);\r
- }\r
- return(false);\r
- }\r
- /**\r
- * Handle a GET for /internal/fetchProv\r
- */\r
- protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {\r
- NodeUtils.setIpAndFqdnForEelf("doGet");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),getIdFromPath(req)+"");\r
- if (down(resp)) {\r
- return;\r
- }\r
- String path = req.getPathInfo();\r
- String qs = req.getQueryString();\r
- String ip = req.getRemoteAddr();\r
- if (qs != null) {\r
- path = path + "?" + qs;\r
- }\r
- if ("/internal/fetchProv".equals(path)) {\r
- config.gofetch(ip);\r
- resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
- return;\r
- } else if (path.startsWith("/internal/resetSubscription/")) {\r
- String subid = path.substring(28);\r
- if (subid.length() != 0 && subid.indexOf('/') == -1) {\r
- NodeMain.resetQueue(subid, ip);\r
- resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
- return;\r
- }\r
- }\r
- if (internalsubnet.matches(NodeUtils.getInetAddress(ip))) {\r
- if (path.startsWith("/internal/logs/")) {\r
- String f = path.substring(15);\r
- File fn = new File(config.getLogDir() + "/" + f);\r
- if (f.indexOf('/') != -1 || !fn.isFile()) {\r
- logger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip);\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND);\r
- return;\r
- }\r
- byte[] buf = new byte[65536];\r
- resp.setContentType("text/plain");\r
- resp.setContentLength((int)fn.length());\r
- resp.setStatus(200);\r
- InputStream is = new FileInputStream(fn);\r
- OutputStream os = resp.getOutputStream();\r
- int i;\r
- while ((i = is.read(buf)) > 0) {\r
- os.write(buf, 0, i);\r
- }\r
- is.close();\r
- return;\r
- }\r
- if (path.startsWith("/internal/rtt/")) {\r
- String xip = path.substring(14);\r
- long st = System.currentTimeMillis();\r
- String status = " unknown";\r
- try {\r
- Socket s = new Socket(xip, 443);\r
- s.close();\r
- status = " connected";\r
- } catch (Exception e) {\r
- status = " error " + e.toString();\r
- }\r
- long dur = System.currentTimeMillis() - st;\r
- resp.setContentType("text/plain");\r
- resp.setStatus(200);\r
- byte[] buf = (dur + status + "\n").getBytes();\r
- resp.setContentLength(buf.length);\r
- resp.getOutputStream().write(buf);\r
- return;\r
- }\r
- }\r
- logger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip);\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND);\r
- return;\r
- }\r
- /**\r
- * Handle all PUT requests\r
- */\r
- protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {\r
- NodeUtils.setIpAndFqdnForEelf("doPut");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),getIdFromPath(req)+"");\r
- common(req, resp, true);\r
- }\r
- /**\r
- * Handle all DELETE requests\r
- */\r
- protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {\r
- NodeUtils.setIpAndFqdnForEelf("doDelete");\r
- eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-ATT-DR-ON-BEHALF-OF"),getIdFromPath(req)+"");\r
- common(req, resp, false);\r
- }\r
- private void common(HttpServletRequest req, HttpServletResponse resp, boolean isput) throws ServletException, IOException {\r
- if (down(resp)) {\r
- return;\r
- }\r
- if (!req.isSecure()) {\r
- logger.info("NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, "https required on publish requests");\r
- return;\r
- }\r
- String fileid = req.getPathInfo();\r
- if (fileid == null) {\r
- logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI. Expecting <feed-publishing-url>/<fileid>.");\r
- return;\r
- }\r
- String feedid = null;\r
- String user = null;\r
- String credentials = req.getHeader("Authorization");\r
- if (credentials == null) {\r
- logger.info("NODE0106 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Authorization header required");\r
- return;\r
- }\r
- String ip = req.getRemoteAddr();\r
- String lip = req.getLocalAddr();\r
- String pubid = null;\r
- String xpubid = null;\r
- String rcvd = NodeUtils.logts(System.currentTimeMillis()) + ";from=" + ip + ";by=" + lip;\r
- Target[] targets = null;\r
- if (fileid.startsWith("/publish/")) {\r
- fileid = fileid.substring(9);\r
- int i = fileid.indexOf('/');\r
- if (i == -1 || i == fileid.length() - 1) {\r
- logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI. Expecting <feed-publishing-url>/<fileid>. Possible missing fileid.");\r
- return;\r
- }\r
- feedid = fileid.substring(0, i);\r
- fileid = fileid.substring(i + 1);\r
- pubid = config.getPublishId();\r
- xpubid = req.getHeader("X-ATT-DR-PUBLISH-ID");\r
- targets = config.getTargets(feedid);\r
- } else if (fileid.startsWith("/internal/publish/")) {\r
- if (!config.isAnotherNode(credentials, ip)) {\r
- logger.info("NODE0107 Rejecting unauthorized node-to-node transfer attempt from " + ip);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN);\r
- return;\r
- }\r
- fileid = fileid.substring(18);\r
- pubid = req.getHeader("X-ATT-DR-PUBLISH-ID");\r
- targets = config.parseRouting(req.getHeader("X-ATT-DR-ROUTING"));\r
- } else {\r
- logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI. Expecting <feed-publishing-url>/<fileid>.");\r
- return;\r
- }\r
- if (fileid.indexOf('/') != -1) {\r
- logger.info("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req.getRemoteAddr());\r
- resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid request URI. Expecting <feed-publishing-url>/<fileid>.");\r
- return;\r
- }\r
- String qs = req.getQueryString();\r
- if (qs != null) {\r
- fileid = fileid + "?" + qs;\r
- }\r
- String hp = config.getMyName();\r
- int xp = config.getExtHttpsPort();\r
- if (xp != 443) {\r
- hp = hp + ":" + xp;\r
- }\r
- String logurl = "https://" + hp + "/internal/publish/" + fileid;\r
- if (feedid != null) {\r
- logurl = "https://" + hp + "/publish/" + feedid + "/" + fileid;\r
- String reason = config.isPublishPermitted(feedid, credentials, ip);\r
- if (reason != null) {\r
- logger.info("NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid " + fileid + " from " + ip + " reason " + reason);\r
- resp.sendError(HttpServletResponse.SC_FORBIDDEN,reason);\r
- return;\r
- }\r
- user = config.getAuthUser(feedid, credentials);\r
- String newnode = config.getIngressNode(feedid, user, ip);\r
- if (newnode != null) {\r
- String port = "";\r
- int iport = config.getExtHttpsPort();\r
- if (iport != 443) {\r
- port = ":" + iport;\r
- }\r
- String redirto = "https://" + newnode + port + "/publish/" + feedid + "/" + fileid;\r
- logger.info("NODE0108 Redirecting publish attempt for feed " + feedid + " user " + user + " ip " + ip + " to " + redirto);\r
- resp.sendRedirect(redirto);\r
- return;\r
- }\r
- resp.setHeader("X-ATT-DR-PUBLISH-ID", pubid);\r
- }\r
- String fbase = config.getSpoolDir() + "/" + pubid;\r
- File data = new File(fbase);\r
- File meta = new File(fbase + ".M");\r
- OutputStream dos = null;\r
- Writer mw = null;\r
- InputStream is = null;\r
- try {\r
- StringBuffer mx = new StringBuffer();\r
- mx.append(req.getMethod()).append('\t').append(fileid).append('\n');\r
- Enumeration hnames = req.getHeaderNames();\r
- String ctype = null;\r
- while (hnames.hasMoreElements()) {\r
- String hn = (String)hnames.nextElement();\r
- String hnlc = hn.toLowerCase();\r
- if ((isput && ("content-type".equals(hnlc) ||\r
- "content-language".equals(hnlc) ||\r
- "content-md5".equals(hnlc) ||\r
- "content-range".equals(hnlc))) ||\r
- "x-att-dr-meta".equals(hnlc) ||\r
- (feedid == null && "x-att-dr-received".equals(hnlc)) ||\r
- (hnlc.startsWith("x-") && !hnlc.startsWith("x-att-dr-"))) {\r
- Enumeration hvals = req.getHeaders(hn);\r
- while (hvals.hasMoreElements()) {\r
- String hv = (String)hvals.nextElement();\r
- if ("content-type".equals(hnlc)) {\r
- ctype = hv;\r
- }\r
- if ("x-att-dr-meta".equals(hnlc)) {\r
- if (hv.length() > 4096) {\r
- logger.info("NODE0109 Rejecting publish attempt with metadata too long for feed " + feedid + " user " + user + " ip " + ip);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Metadata too long");\r
- return;\r
- }\r
- if (!MetaDataPattern.matcher(hv.replaceAll("\\\\.", "X")).matches()) {\r
- logger.info("NODE0109 Rejecting publish attempt with malformed metadata for feed " + feedid + " user " + user + " ip " + ip);\r
- resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed metadata");\r
- return;\r
- }\r
- }\r
- mx.append(hn).append('\t').append(hv).append('\n');\r
- }\r
- }\r
- }\r
- mx.append("X-ATT-DR-RECEIVED\t").append(rcvd).append('\n');\r
- String metadata = mx.toString();\r
- byte[] buf = new byte[1024 * 1024];\r
- int i;\r
- try {\r
- is = req.getInputStream();\r
- dos = new FileOutputStream(data);\r
- while ((i = is.read(buf)) > 0) {\r
- dos.write(buf, 0, i);\r
- }\r
- is.close();\r
- is = null;\r
- dos.close();\r
- dos = null;\r
- } catch (IOException ioe) {\r
- long exlen = -1;\r
- try {\r
- exlen = Long.parseLong(req.getHeader("Content-Length"));\r
- } catch (Exception e) {\r
- }\r
- StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user, ioe.getMessage());\r
- throw ioe;\r
- }\r
- Path dpath = Paths.get(fbase);\r
- for (Target t: targets) {\r
- DestInfo di = t.getDestInfo();\r
- if (di == null) {\r
- // TODO: unknown destination\r
- continue;\r
- }\r
- String dbase = di.getSpool() + "/" + pubid;\r
- Files.createLink(Paths.get(dbase), dpath);\r
- mw = new FileWriter(meta);\r
- mw.write(metadata);\r
- if (di.getSubId() == null) {\r
- mw.write("X-ATT-DR-ROUTING\t" + t.getRouting() + "\n");\r
- }\r
- mw.close();\r
- meta.renameTo(new File(dbase + ".M"));\r
- }\r
- resp.setStatus(HttpServletResponse.SC_NO_CONTENT);\r
- resp.getOutputStream().close();\r
- StatusLog.logPub(pubid, feedid, logurl, req.getMethod(), ctype, data.length(), ip, user, HttpServletResponse.SC_NO_CONTENT);\r
- } catch (IOException ioe) {\r
- logger.info("NODE0110 IO Exception receiving publish attempt for feed " + feedid + " user " + user + " ip " + ip + " " + ioe.toString(), ioe);\r
- throw ioe;\r
- } finally {\r
- if (is != null) { try { is.close(); } catch (Exception e) {}}\r
- if (dos != null) { try { dos.close(); } catch (Exception e) {}}\r
- if (mw != null) { try { mw.close(); } catch (Exception e) {}}\r
- try { data.delete(); } catch (Exception e) {}\r
- try { meta.delete(); } catch (Exception e) {}\r
- }\r
- }\r
- \r
- private int getIdFromPath(HttpServletRequest req) {\r
- String path = req.getPathInfo();\r
- if (path == null || path.length() < 2)\r
- return -1;\r
- try {\r
- return Integer.parseInt(path.substring(1));\r
- } catch (NumberFormatException e) {\r
- return -1;\r
- }\r
- }\r
-}\r
+/*******************************************************************************
+ * ============LICENSE_START==================================================
+ * * org.onap.dmaap
+ * * ===========================================================================
+ * * Copyright © 2017 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====================================================
+ * *
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * *
+ ******************************************************************************/
+
+
+package org.onap.dmaap.datarouter.node;
+
+import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Enumeration;
+import java.util.regex.Pattern;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.jetbrains.annotations.Nullable;
+import org.onap.dmaap.datarouter.node.eelf.EelfMsgs;
+import org.slf4j.MDC;
+
+/**
+ * Servlet for handling all http and https requests to the data router node.
+ *
+ * <p>Handled requests are:
+ * <br>
+ * GET http://<i>node</i>/internal/fetchProv - fetch the provisioning data
+ * <br>
+ * PUT/DELETE https://<i>node</i>/internal/publish/<i>fileid</i> - n2n transfer
+ * <br>
+ * PUT/DELETE https://<i>node</i>/publish/<i>feedid</i>/<i>fileid</i> - publsh request
+ */
+public class NodeServlet extends HttpServlet {
+
+ private static final String FROM = " from ";
+ private static final String INVALID_REQUEST_URI = "Invalid request URI. Expecting <feed-publishing-url>/<fileid>.";
+ private static final String IO_EXCEPTION = "IOException";
+ private static final String ON_BEHALF_OF = "X-DMAAP-DR-ON-BEHALF-OF";
+ private static NodeConfigManager config;
+ private static Pattern metaDataPattern;
+ private static EELFLogger eelfLogger = EELFManager.getInstance().getLogger(NodeServlet.class);
+
+ static {
+ final String ws = "\\s*";
+ // assume that \\ and \" have been replaced by X
+ final String string = "\"[^\"]*\"";
+ final String number = "[+-]?(?:\\.\\d+|(?:0|[1-9]\\d*)(?:\\.\\d*)?)(?:[eE][+-]?\\d+)?";
+ final String value = "(?:" + string + "|" + number + "|null|true|false)";
+ final String item = string + ws + ":" + ws + value + ws;
+ final String object = ws + "\\{" + ws + "(?:" + item + "(?:" + "," + ws + item + ")*)?\\}" + ws;
+ metaDataPattern = Pattern.compile(object, Pattern.DOTALL);
+ }
+
+ private final Delivery delivery;
+
+ NodeServlet(Delivery delivery) {
+ this.delivery = delivery;
+ }
+
+ /**
+ * Get the NodeConfigurationManager.
+ */
+ @Override
+ public void init() {
+ config = NodeConfigManager.getInstance();
+ eelfLogger.info("NODE0101 Node Servlet Configured");
+ }
+
+ private boolean down(HttpServletResponse resp) {
+ if (config.isShutdown() || !config.isConfigured()) {
+ sendResponseError(resp, HttpServletResponse.SC_SERVICE_UNAVAILABLE, eelfLogger);
+ eelfLogger.info("NODE0102 Rejecting request: Service is being quiesced");
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Handle a GET for /internal/fetchProv.
+ */
+ @Override
+ protected void doGet(HttpServletRequest req, HttpServletResponse resp) {
+ NodeUtils.setIpAndFqdnForEelf("doGet");
+ NodeUtils.setRequestIdAndInvocationId(req);
+ eelfLogger.info(EelfMsgs.ENTRY);
+ try {
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
+ getIdFromPath(req) + "");
+ if (down(resp)) {
+ return;
+ }
+ String path = req.getPathInfo();
+ String qs = req.getQueryString();
+ String ip = req.getRemoteAddr();
+ if (qs != null) {
+ path = path + "?" + qs;
+ }
+ if ("/internal/fetchProv".equals(path)) {
+ config.gofetch(ip);
+ resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+ return;
+ } else if (path.startsWith("/internal/resetSubscription/")) {
+ String subid = path.substring(28);
+ if (subid.length() != 0 && subid.indexOf('/') == -1) {
+ NodeMain.resetQueue(subid, ip);
+ resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+ return;
+ }
+ }
+
+ eelfLogger.info("NODE0103 Rejecting invalid GET of " + path + FROM + ip);
+ sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, eelfLogger);
+ } finally {
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ /**
+ * Handle all PUT requests.
+ */
+ @Override
+ protected void doPut(HttpServletRequest req, HttpServletResponse resp) {
+ NodeUtils.setIpAndFqdnForEelf("doPut");
+ NodeUtils.setRequestIdAndInvocationId(req);
+ eelfLogger.info(EelfMsgs.ENTRY);
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
+ getIdFromPath(req) + "");
+ try {
+ common(req, resp, true);
+ } catch (IOException ioe) {
+ eelfLogger.error(IO_EXCEPTION, ioe);
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ /**
+ * Handle all DELETE requests.
+ */
+ @Override
+ protected void doDelete(HttpServletRequest req, HttpServletResponse resp) {
+ NodeUtils.setIpAndFqdnForEelf("doDelete");
+ NodeUtils.setRequestIdAndInvocationId(req);
+ eelfLogger.info(EelfMsgs.ENTRY);
+ eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF),
+ getIdFromPath(req) + "");
+ try {
+ common(req, resp, false);
+ } catch (IOException ioe) {
+ eelfLogger.error(IO_EXCEPTION, ioe);
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ private void common(HttpServletRequest req, HttpServletResponse resp, boolean isput) throws IOException {
+ final String PUBLISH = "/publish/";
+ final String INTERNAL_PUBLISH = "/internal/publish/";
+ final String HTTPS = "https://";
+ final String USER = " user ";
+ String fileid = getFileId(req, resp);
+ if (fileid == null) {
+ return;
+ }
+ String feedid = null;
+ String user = null;
+ String ip = req.getRemoteAddr();
+ String lip = req.getLocalAddr();
+ String pubid = null;
+ String rcvd = NodeUtils.logts(System.currentTimeMillis()) + ";from=" + ip + ";by=" + lip;
+ Target[] targets = null;
+ boolean isAAFFeed = false;
+ if (fileid.startsWith("/delete/")) {
+ deleteFile(req, resp, fileid, pubid);
+ return;
+ }
+ String credentials = req.getHeader("Authorization");
+ if (credentials == null) {
+ eelfLogger.error("NODE0306 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Authorization header required");
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ if (fileid.startsWith(PUBLISH)) {
+ fileid = fileid.substring(9);
+ int index = fileid.indexOf('/');
+ if (index == -1 || index == fileid.length() - 1) {
+ eelfLogger.error("NODE0205 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+ "Invalid request URI. Expecting <feed-publishing-url>/<fileid>. Possible missing fileid.");
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ feedid = fileid.substring(0, index);
+
+ if (config.getCadiEnabled()) {
+ String path = req.getPathInfo();
+ if (!path.startsWith("/internal") && feedid != null) {
+ String aafInstance = config.getAafInstance(feedid);
+ if (!("legacy".equalsIgnoreCase(aafInstance))) {
+ isAAFFeed = true;
+ String permission = config.getPermission(aafInstance);
+ eelfLogger.info("NodeServlet.common() permission string - " + permission);
+ //Check in CADI Framework API if user has AAF permission or not
+ if (!req.isUserInRole(permission)) {
+ String message = "AAF disallows access to permission string - " + permission;
+ eelfLogger.error("NODE0307 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo()
+ + FROM + req.getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ }
+ }
+ }
+
+ fileid = fileid.substring(index + 1);
+ pubid = config.getPublishId();
+ targets = config.getTargets(feedid);
+ } else if (fileid.startsWith(INTERNAL_PUBLISH)) {
+ if (!config.isAnotherNode(credentials, ip)) {
+ eelfLogger.error("NODE0107 Rejecting unauthorized node-to-node transfer attempt from " + ip);
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ fileid = fileid.substring(18);
+ pubid = req.getHeader("X-DMAAP-DR-PUBLISH-ID");
+ user = "datartr"; // SP6 : Added usr as datartr to avoid null entries for internal routing
+ targets = config.parseRouting(req.getHeader("X-DMAAP-DR-ROUTING"));
+ } else {
+ eelfLogger.error("NODE0204 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+ INVALID_REQUEST_URI);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ if (fileid.indexOf('/') != -1) {
+ eelfLogger.error("NODE0202 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+ INVALID_REQUEST_URI);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ String qs = req.getQueryString();
+ if (qs != null) {
+ fileid = fileid + "?" + qs;
+ }
+ String hp = config.getMyName();
+ int xp = config.getExtHttpsPort();
+ if (xp != 443) {
+ hp = hp + ":" + xp;
+ }
+ String logurl = HTTPS + hp + INTERNAL_PUBLISH + fileid;
+ if (feedid != null) {
+ logurl = HTTPS + hp + PUBLISH + feedid + "/" + fileid;
+ //Cadi code starts
+ if (!isAAFFeed) {
+ String reason = config.isPublishPermitted(feedid, credentials, ip);
+ if (reason != null) {
+ eelfLogger.error("NODE0111 Rejecting unauthorized publish attempt to feed " + PathUtil
+ .cleanString(feedid) + " fileid " + PathUtil.cleanString(fileid) + FROM + PathUtil
+ .cleanString(ip) + " reason " + PathUtil.cleanString(reason));
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, reason);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ user = config.getAuthUser(feedid, credentials);
+ } else {
+ String reason = config.isPublishPermitted(feedid, ip);
+ if (reason != null) {
+ eelfLogger.error("NODE0111 Rejecting unauthorized publish attempt to feed " + PathUtil
+ .cleanString(feedid) + " fileid " + PathUtil.cleanString(fileid) + FROM + PathUtil
+ .cleanString(ip) + " reason Invalid AAF user- " + PathUtil.cleanString(reason));
+ String message = "Invalid AAF user- " + PathUtil.cleanString(reason);
+ eelfLogger.info("NODE0308 Rejecting unauthenticated PUT or DELETE of " + PathUtil
+ .cleanString(req.getPathInfo()) + FROM + PathUtil.cleanString(req.getRemoteAddr()));
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+ return;
+ }
+ if ((req.getUserPrincipal() != null) && (req.getUserPrincipal().getName() != null)) {
+ String userName = req.getUserPrincipal().getName();
+ String[] attid = userName.split("@");
+ user = attid[0];
+ } else {
+ user = "AAFUser";
+ }
+ }
+ //Cadi code Ends
+ String newnode = config.getIngressNode(feedid, user, ip);
+ if (newnode != null) {
+ String port = "";
+ int iport = config.getExtHttpsPort();
+ if (iport != 443) {
+ port = ":" + iport;
+ }
+ String redirto = HTTPS + newnode + port + PUBLISH + feedid + "/" + fileid;
+ eelfLogger
+ .info("NODE0108 Redirecting publish attempt for feed " + PathUtil.cleanString(feedid) + USER
+ + PathUtil.cleanString(user) + " ip " + PathUtil.cleanString(ip) + " to " + PathUtil
+ .cleanString(redirto)); //Fortify scan fixes - log forging
+ resp.sendRedirect(PathUtil.cleanString(redirto)); //Fortify scan fixes-open redirect - 2 issues
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ resp.setHeader("X-DMAAP-DR-PUBLISH-ID", pubid);
+ }
+ if (req.getPathInfo().startsWith(INTERNAL_PUBLISH)) {
+ feedid = req.getHeader("X-DMAAP-DR-FEED-ID");
+ }
+ String fbase = PathUtil.cleanString(config.getSpoolDir() + "/" + pubid); //Fortify scan fixes-Path manipulation
+ File data = new File(fbase);
+ File meta = new File(fbase + ".M");
+ Writer mw = null;
+ try {
+ StringBuilder mx = new StringBuilder();
+ mx.append(req.getMethod()).append('\t').append(fileid).append('\n');
+ Enumeration hnames = req.getHeaderNames();
+ String ctype = null;
+ boolean hasRequestIdHeader = false;
+ boolean hasInvocationIdHeader = false;
+ while (hnames.hasMoreElements()) {
+ String hn = (String) hnames.nextElement();
+ String hnlc = hn.toLowerCase();
+ if ((isput && ("content-type".equals(hnlc)
+ || "content-language".equals(hnlc)
+ || "content-md5".equals(hnlc)
+ || "content-range".equals(hnlc)))
+ || "x-dmaap-dr-meta".equals(hnlc)
+ || (feedid == null && "x-dmaap-dr-received".equals(hnlc))
+ || (hnlc.startsWith("x-") && !hnlc.startsWith("x-dmaap-dr-"))) {
+ Enumeration hvals = req.getHeaders(hn);
+ while (hvals.hasMoreElements()) {
+ String hv = (String) hvals.nextElement();
+ if ("content-type".equals(hnlc)) {
+ ctype = hv;
+ }
+ if ("x-onap-requestid".equals(hnlc)) {
+ hasRequestIdHeader = true;
+ }
+ if ("x-invocationid".equals(hnlc)) {
+ hasInvocationIdHeader = true;
+ }
+ if ("x-dmaap-dr-meta".equals(hnlc)) {
+ if (hv.length() > 4096) {
+ eelfLogger.error("NODE0109 Rejecting publish attempt with metadata too long for feed "
+ + PathUtil.cleanString(feedid) + USER + PathUtil.cleanString(user) + " ip "
+ + PathUtil.cleanString(ip)); //Fortify scan fixes - log forging
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Metadata too long");
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ if (!metaDataPattern.matcher(hv.replaceAll("\\\\.", "X")).matches()) {
+ eelfLogger.error("NODE0109 Rejecting publish attempt with malformed metadata for feed "
+ + PathUtil.cleanString(feedid) + USER + PathUtil.cleanString(user) + " ip "
+ + PathUtil.cleanString(ip)); //Fortify scan fixes - log forging
+ resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Malformed metadata");
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ }
+ mx.append(hn).append('\t').append(hv).append('\n');
+ }
+ }
+ }
+ if (!hasRequestIdHeader) {
+ mx.append("X-ONAP-RequestID\t").append(MDC.get("RequestId")).append('\n');
+ }
+ if (!hasInvocationIdHeader) {
+ mx.append("X-InvocationID\t").append(MDC.get("InvocationId")).append('\n');
+ }
+ mx.append("X-DMAAP-DR-RECEIVED\t").append(rcvd).append('\n');
+ String metadata = mx.toString();
+ long exlen = getExlen(req);
+ String message = writeInputStreamToFile(req, data);
+ if (message != null) {
+ StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user,
+ message);
+ throw new IOException(message);
+ }
+ Path dpath = Paths.get(fbase);
+ for (Target t : targets) {
+ DestInfo di = t.getDestInfo();
+ if (di == null) {
+ // TODO: unknown destination
+ continue;
+ }
+ String dbase = PathUtil
+ .cleanString(di.getSpool() + "/" + pubid); //Fortify scan fixes-Path Manipulation
+ Files.createLink(Paths.get(dbase), dpath);
+ mw = new FileWriter(meta);
+ mw.write(metadata);
+ if (di.getSubId() == null) {
+ mw.write("X-DMAAP-DR-ROUTING\t" + t.getRouting() + "\n");
+ }
+ mw.close();
+ meta.renameTo(new File(dbase + ".M"));
+ }
+ resp.setStatus(HttpServletResponse.SC_NO_CONTENT);
+ try {
+ resp.getOutputStream().close();
+ } catch (IOException ioe) {
+ StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user,
+ ioe.getMessage());
+ //Fortify scan fixes - log forging
+ eelfLogger.error("NODE0110 IO Exception while closing IO stream " + PathUtil.cleanString(feedid)
+ + USER + PathUtil.cleanString(user) + " ip " + PathUtil.cleanString(ip) + " " + ioe
+ .toString(), ioe);
+ throw ioe;
+ }
+
+ StatusLog.logPub(pubid, feedid, logurl, req.getMethod(), ctype, data.length(), ip, user,
+ HttpServletResponse.SC_NO_CONTENT);
+ } catch (IOException ioe) {
+ eelfLogger.error("NODE0110 IO Exception receiving publish attempt for feed " + feedid + USER + user
+ + " ip " + ip + " " + ioe.toString(), ioe);
+ eelfLogger.info(EelfMsgs.EXIT);
+ throw ioe;
+ } finally {
+ if (mw != null) {
+ try {
+ mw.close();
+ } catch (Exception e) {
+ eelfLogger.error("NODE0532 Exception common: " + e);
+ }
+ }
+ try {
+ data.delete();
+ } catch (Exception e) {
+ eelfLogger.error("NODE0533 Exception common: " + e);
+ }
+ try {
+ meta.delete();
+ } catch (Exception e) {
+ eelfLogger.error("NODE0534 Exception common: " + e);
+ }
+ }
+ }
+
+ private String writeInputStreamToFile(HttpServletRequest req, File data) {
+ byte[] buf = new byte[1024 * 1024];
+ int bytesRead;
+ try (OutputStream dos = new FileOutputStream(data);
+ InputStream is = req.getInputStream()) {
+ while ((bytesRead = is.read(buf)) > 0) {
+ dos.write(buf, 0, bytesRead);
+ }
+ } catch (IOException ioe) {
+ eelfLogger.error("NODE0530 Exception common: " + ioe, ioe);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return ioe.getMessage();
+ }
+ return null;
+ }
+
+ private long getExlen(HttpServletRequest req) {
+ long exlen = -1;
+ try {
+ exlen = Long.parseLong(req.getHeader("Content-Length"));
+ } catch (Exception e) {
+ eelfLogger.error("NODE0529 Exception common: " + e);
+ }
+ return exlen;
+ }
+
+ private void deleteFile(HttpServletRequest req, HttpServletResponse resp, String fileid, String pubid) {
+ final String FROM_DR_MESSAGE = ".M) from DR Node: ";
+ try {
+ fileid = fileid.substring(8);
+ int index = fileid.indexOf('/');
+ if (index == -1 || index == fileid.length() - 1) {
+ eelfLogger.error("NODE0112 Rejecting bad URI for DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+ "Invalid request URI. Expecting <subId>/<pubId>.");
+ eelfLogger.info(EelfMsgs.EXIT);
+ return;
+ }
+ String subscriptionId = fileid.substring(0, index);
+ int subId = Integer.parseInt(subscriptionId);
+ pubid = fileid.substring(index + 1);
+ String errorMessage = "Unable to delete files (" + pubid + ", " + pubid + FROM_DR_MESSAGE
+ + config.getMyName() + ".";
+ int subIdDir = subId - (subId % 100);
+ if (!isAuthorizedToDelete(resp, subscriptionId, errorMessage)) {
+ return;
+ }
+ boolean result = delivery.markTaskSuccess(config.getSpoolBase() + "/s/" + subIdDir + "/" + subId, pubid);
+ if (result) {
+ eelfLogger.info("NODE0115 Successfully deleted files (" + pubid + ", " + pubid + FROM_DR_MESSAGE
+ + config.getMyName());
+ resp.setStatus(HttpServletResponse.SC_OK);
+ eelfLogger.info(EelfMsgs.EXIT);
+ } else {
+ eelfLogger.error("NODE0116 " + errorMessage);
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND, "File not found on server.");
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ } catch (IOException ioe) {
+ eelfLogger.error("NODE0117 Unable to delete files (" + pubid + ", " + pubid + FROM_DR_MESSAGE
+ + config.getMyName(), ioe);
+ eelfLogger.info(EelfMsgs.EXIT);
+ }
+ }
+
+ @Nullable
+ private String getFileId(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+ if (down(resp)) {
+ eelfLogger.info(EelfMsgs.EXIT);
+ return null;
+ }
+ if (!req.isSecure()) {
+ eelfLogger.error(
+ "NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_FORBIDDEN, "https required on publish requests");
+ eelfLogger.info(EelfMsgs.EXIT);
+ return null;
+ }
+ String fileid = req.getPathInfo();
+ if (fileid == null) {
+ eelfLogger.error("NODE0201 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + FROM + req
+ .getRemoteAddr());
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND,
+ INVALID_REQUEST_URI);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return null;
+ }
+ return fileid;
+ }
+
+ private boolean isAuthorizedToDelete(HttpServletResponse resp, String subscriptionId, String errorMessage)
+ throws IOException {
+ try {
+ boolean deletePermitted = config.isDeletePermitted(subscriptionId);
+ if (!deletePermitted) {
+ eelfLogger.error("NODE0113 " + errorMessage + " Error: Subscription "
+ + subscriptionId + " is not a privileged subscription");
+ resp.sendError(HttpServletResponse.SC_UNAUTHORIZED);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return false;
+ }
+ } catch (NullPointerException npe) {
+ eelfLogger.error("NODE0114 " + errorMessage + " Error: Subscription " + subscriptionId
+ + " does not exist", npe);
+ resp.sendError(HttpServletResponse.SC_NOT_FOUND);
+ eelfLogger.info(EelfMsgs.EXIT);
+ return false;
+ }
+ return true;
+ }
+
+ private int getIdFromPath(HttpServletRequest req) {
+ String path = req.getPathInfo();
+ if (path == null || path.length() < 2) {
+ return -1;
+ }
+ try {
+ return Integer.parseInt(path.substring(1));
+ } catch (NumberFormatException e) {
+ return -1;
+ }
+ }
+}