X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=datarouter-node%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fdmaap%2Fdatarouter%2Fnode%2FNodeServlet.java;h=4dbe0e754972af0224a2e9765ddb81042ff3e017;hb=HEAD;hp=d665080b54606388f4f419eb8a71ed8cb6a25dda;hpb=15b5a700e4d2ea3572d38ccf1a8120040e23a038;p=dmaap%2Fdatarouter.git diff --git a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java index d665080b..4dbe0e75 100644 --- a/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java +++ b/datarouter-node/src/main/java/org/onap/dmaap/datarouter/node/NodeServlet.java @@ -24,15 +24,11 @@ package org.onap.dmaap.datarouter.node; +import static org.onap.dmaap.datarouter.node.utils.NodeUtils.sendResponseError; + import com.att.eelf.configuration.EELFLogger; import com.att.eelf.configuration.EELFManager; -import org.jetbrains.annotations.Nullable; -import org.onap.dmaap.datarouter.node.eelf.EelfMsgs; -import org.slf4j.MDC; - -import javax.servlet.http.HttpServlet; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; +import jakarta.servlet.http.HttpServlet; import java.io.File; import java.io.FileOutputStream; import java.io.FileWriter; @@ -45,13 +41,19 @@ import java.nio.file.Path; import java.nio.file.Paths; import java.util.Enumeration; import java.util.regex.Pattern; - -import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError; +import jakarta.servlet.http.HttpServletRequest; +import jakarta.servlet.http.HttpServletResponse; +import org.jetbrains.annotations.Nullable; +import org.onap.dmaap.datarouter.node.delivery.Delivery; +import org.onap.dmaap.datarouter.node.eelf.EelfMsgs; +import org.onap.dmaap.datarouter.node.log.StatusLog; +import org.onap.dmaap.datarouter.node.utils.NodeUtils; +import org.slf4j.MDC; /** - * Servlet for handling all http and https requests to the data router node - *

- * Handled requests are: + * Servlet for handling all http and https requests to the data router node. + * + *

Handled requests are: *
* GET http://node/internal/fetchProv - fetch the provisioning data *
@@ -61,47 +63,51 @@ import static org.onap.dmaap.datarouter.node.NodeUtils.sendResponseError; */ public class NodeServlet extends HttpServlet { - private static NodeConfigManager config; - private static Pattern MetaDataPattern; - private static EELFLogger eelfLogger = EELFManager.getInstance().getLogger(NodeServlet.class); - private final Delivery delivery; + private static final String FROM = " from "; + private static final String INVALID_REQUEST_URI = "Invalid request URI. Expecting /."; + private static final String IO_EXCEPTION = "IOException"; + private static final String ON_BEHALF_OF = "X-DMAAP-DR-ON-BEHALF-OF"; + private final NodeConfigManager config; + private static final Pattern metaDataPattern; + private static final EELFLogger eelfLogger = EELFManager.getInstance().getLogger(NodeServlet.class); static { final String ws = "\\s*"; // assume that \\ and \" have been replaced by X final String string = "\"[^\"]*\""; - //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); + metaDataPattern = Pattern.compile(object, Pattern.DOTALL); } - NodeServlet(Delivery delivery) { + private final Delivery delivery; + + NodeServlet(Delivery delivery, NodeConfigManager nodeConfigManager) { + config = nodeConfigManager; this.delivery = delivery; } /** - * Get the NodeConfigurationManager + * Get the NodeConfigurationManager. */ @Override public void init() { - config = NodeConfigManager.getInstance(); - eelfLogger.info("NODE0101 Node Servlet Configured"); + eelfLogger.debug("NODE0101 Node Servlet Configured"); } - private boolean down(HttpServletResponse resp) throws IOException { + 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"); + eelfLogger.error("NODE0102 Rejecting request: Service is being quiesced"); return true; } return false; } /** - * Handle a GET for /internal/fetchProv + * Handle a GET for /internal/fetchProv. */ @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) { @@ -109,15 +115,10 @@ public class NodeServlet extends HttpServlet { NodeUtils.setRequestIdAndInvocationId(req); eelfLogger.info(EelfMsgs.ENTRY); try { - eelfLogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader("X-DMAAP-DR-ON-BEHALF-OF"), - getIdFromPath(req) + ""); - try { - if (down(resp)) { - return; - } - - } catch (IOException ioe) { - eelfLogger.error("IOException", ioe); + eelfLogger.debug(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(); @@ -132,13 +133,13 @@ public class NodeServlet extends HttpServlet { } else if (path.startsWith("/internal/resetSubscription/")) { String subid = path.substring(28); if (subid.length() != 0 && subid.indexOf('/') == -1) { - NodeMain.resetQueue(subid, ip); + NodeServer.resetQueue(subid, ip); resp.setStatus(HttpServletResponse.SC_NO_CONTENT); return; } } - eelfLogger.info("NODE0103 Rejecting invalid GET of " + path + " from " + ip); + eelfLogger.debug("NODE0103 Rejecting invalid GET of " + path + FROM + ip); sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, eelfLogger); } finally { eelfLogger.info(EelfMsgs.EXIT); @@ -146,103 +147,85 @@ public class NodeServlet extends HttpServlet { } /** - * Handle all PUT requests + * 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("X-DMAAP-DR-ON-BEHALF-OF"), - getIdFromPath(req) + ""); + eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF), + getIdFromPath(req) + ""); try { common(req, resp, true); } catch (IOException ioe) { - eelfLogger.error("IOException", ioe); + eelfLogger.error(IO_EXCEPTION, ioe); eelfLogger.info(EelfMsgs.EXIT); } } /** - * Handle all DELETE requests + * 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("X-DMAAP-DR-ON-BEHALF-OF"), - getIdFromPath(req) + ""); + eelfLogger.debug(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(ON_BEHALF_OF), + getIdFromPath(req) + ""); try { common(req, resp, false); } catch (IOException ioe) { - eelfLogger.error("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; + if (fileid == null) { + return; + } String feedid = null; String user = null; String ip = req.getRemoteAddr(); String lip = req.getLocalAddr(); String pubid = null; - String xpubid = null; String rcvd = NodeUtils.logts(System.currentTimeMillis()) + ";from=" + ip + ";by=" + lip; - Target[] targets = null; - boolean isAAFFeed = false; + Target[] targets; if (fileid.startsWith("/delete/")) { deleteFile(req, resp, fileid, pubid); return; } String credentials = req.getHeader("Authorization"); if (credentials == null) { - eelfLogger.error("NODE0106 Rejecting unauthenticated PUT or DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + 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/")) { + if (fileid.startsWith(PUBLISH)) { fileid = fileid.substring(9); - int i = fileid.indexOf('/'); - if (i == -1 || i == fileid.length() - 1) { - eelfLogger.error("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + 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 /. Possible missing fileid."); + "Invalid request URI. Expecting /. Possible missing fileid."); eelfLogger.info(EelfMsgs.EXIT); return; } - feedid = fileid.substring(0, i); - - if (config.getCadiEnabeld()) { - String path = req.getPathInfo(); - if (!path.startsWith("/internal") && feedid != null) { - String aafInstance = config.getAafInstance(feedid); - if (!(aafInstance.equalsIgnoreCase("legacy"))) { - 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("NODE0106 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(i + 1); + feedid = fileid.substring(0, index); + fileid = fileid.substring(index + 1); pubid = config.getPublishId(); - xpubid = req.getHeader("X-DMAAP-DR-PUBLISH-ID"); targets = config.getTargets(feedid); - } else if (fileid.startsWith("/internal/publish/")) { + } 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); @@ -250,22 +233,21 @@ public class NodeServlet extends HttpServlet { 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 + pubid = generateAndValidatePublishId(req); targets = config.parseRouting(req.getHeader("X-DMAAP-DR-ROUTING")); } else { - eelfLogger.error("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + 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. Expecting /."); + INVALID_REQUEST_URI); eelfLogger.info(EelfMsgs.EXIT); return; } if (fileid.indexOf('/') != -1) { - eelfLogger.error("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + 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. Expecting /."); + INVALID_REQUEST_URI); eelfLogger.info(EelfMsgs.EXIT); return; } @@ -278,37 +260,18 @@ public class NodeServlet extends HttpServlet { if (xp != 443) { hp = hp + ":" + xp; } - String logurl = "https://" + hp + "/internal/publish/" + fileid; + 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("NODE0106 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"; - } + logurl = HTTPS + hp + PUBLISH + feedid + "/" + fileid; + String reason = config.isPublishPermitted(feedid, credentials, ip); + if (reason != null) { + eelfLogger.info("NODE0111 Rejecting unauthorized publish attempt to feed " + feedid + " fileid " + + fileid + " from " + ip + " reason " + reason); + resp.sendError(javax.servlet.http.HttpServletResponse.SC_FORBIDDEN, reason); + eelfLogger.info(EelfMsgs.EXIT); + return; } - //Cadi code Ends + user = config.getAuthUser(feedid, credentials); String newnode = config.getIngressNode(feedid, user, ip); if (newnode != null) { String port = ""; @@ -316,43 +279,44 @@ public class NodeServlet extends HttpServlet { 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 + String redirto = HTTPS + newnode + port + PUBLISH + feedid + "/" + fileid; + eelfLogger + .debug("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/")) { + 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"); - OutputStream dos = null; Writer mw = null; - InputStream is = null; try { - StringBuffer mx = new StringBuffer(); + StringBuilder mx = new StringBuilder(); mx.append(req.getMethod()).append('\t').append(fileid).append('\n'); - Enumeration hnames = req.getHeaderNames(); + Enumeration hnames = req.getHeaderNames(); String ctype = null; boolean hasRequestIdHeader = false; boolean hasInvocationIdHeader = false; while (hnames.hasMoreElements()) { - String hn = (String) hnames.nextElement(); + String hn = 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); + 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(); + String hv = hvals.nextElement(); if ("content-type".equals(hnlc)) { ctype = hv; } @@ -364,13 +328,17 @@ public class NodeServlet extends HttpServlet { } 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 + 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 + 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; @@ -388,37 +356,22 @@ public class NodeServlet extends HttpServlet { } mx.append("X-DMAAP-DR-RECEIVED\t").append(rcvd).append('\n'); String metadata = mx.toString(); - byte[] buf = new byte[1024 * 1024]; - int i; - try { - is = req.getInputStream(); - dos = new FileOutputStream(data); - while ((i = is.read(buf)) > 0) { - dos.write(buf, 0, i); - } - is.close(); - is = null; - dos.close(); - dos = null; - } catch (IOException ioe) { - long exlen = -1; - try { - exlen = Long.parseLong(req.getHeader("Content-Length")); - } catch (Exception e) { - eelfLogger.error("NODE0529 Exception common: " + e); - } - StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user, ioe.getMessage()); - eelfLogger.info(EelfMsgs.EXIT); - throw ioe; + 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 + //Handle this? : unknown destination continue; } - String dbase = PathUtil.cleanString(di.getSpool() + "/" + pubid); //Fortify scan fixes-Path Manipulation + 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); @@ -426,46 +379,31 @@ public class NodeServlet extends HttpServlet { mw.write("X-DMAAP-DR-ROUTING\t" + t.getRouting() + "\n"); } mw.close(); - meta.renameTo(new File(dbase + ".M")); - + if (!meta.renameTo(new File(dbase + ".M"))) { + eelfLogger.error("Rename of file " + dbase + " failed."); + } } resp.setStatus(HttpServletResponse.SC_NO_CONTENT); try { resp.getOutputStream().close(); } catch (IOException ioe) { - long exlen = -1; - try { - exlen = Long.parseLong(req.getHeader("Content-Length")); - } catch (Exception e) { - eelfLogger.error("NODE00000 Exception common", e); - } - StatusLog.logPubFail(pubid, feedid, logurl, req.getMethod(), ctype, exlen, data.length(), ip, user, ioe.getMessage()); + 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); - + 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); + 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.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 (is != null) { - try { - is.close(); - } catch (Exception e) { - eelfLogger.error("NODE0530 Exception common: " + e); - } - } - if (dos != null) { - try { - dos.close(); - } catch (Exception e) { - eelfLogger.error("NODE0531 Exception common: " + e); - } - } if (mw != null) { try { mw.close(); @@ -474,43 +412,77 @@ public class NodeServlet extends HttpServlet { } } try { - data.delete(); + Files.delete(data.toPath()); + Files.delete(meta.toPath()); } catch (Exception e) { eelfLogger.error("NODE0533 Exception common: " + e); } - try { - meta.delete(); - } catch (Exception e) { - eelfLogger.error("NODE0534 Exception common: " + e); + } + } + + private String generateAndValidatePublishId(HttpServletRequest req) throws IOException { + String newPubId = req.getHeader("X-DMAAP-DR-PUBLISH-ID"); + + String regex = ".*"; + + if(newPubId.matches(regex)){ + return newPubId; + } + throw new IOException("Invalid Header X-DMAAP-DR-PUBLISH-ID"); + } + + 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 i = fileid.indexOf('/'); - if (i == -1 || i == fileid.length() - 1) { - eelfLogger.error("NODE0112 Rejecting bad URI for DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + 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 /."); + "Invalid request URI. Expecting /."); eelfLogger.info(EelfMsgs.EXIT); return; } - String subscriptionId = fileid.substring(0, i); + String subscriptionId = fileid.substring(0, index); int subId = Integer.parseInt(subscriptionId); - pubid = fileid.substring(i + 1); - String errorMessage = "Unable to delete files (" + pubid + ", " + pubid + ".M) from DR Node: " - + config.getMyName() + "."; + 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 + ".M) from DR Node: " - + config.getMyName()); + eelfLogger.debug("NODE0115 Successfully deleted files (" + pubid + ", " + pubid + FROM_DR_MESSAGE + + config.getMyName()); resp.setStatus(HttpServletResponse.SC_OK); eelfLogger.info(EelfMsgs.EXIT); } else { @@ -519,8 +491,8 @@ public class NodeServlet extends HttpServlet { eelfLogger.info(EelfMsgs.EXIT); } } catch (IOException ioe) { - eelfLogger.error("NODE0117 Unable to delete files (" + pubid + ", " + pubid + ".M) from DR Node: " - + config.getMyName(), ioe); + eelfLogger.error("NODE0117 Unable to delete files (" + pubid + ", " + pubid + FROM_DR_MESSAGE + + config.getMyName(), ioe); eelfLogger.info(EelfMsgs.EXIT); } } @@ -531,39 +503,40 @@ public class NodeServlet extends HttpServlet { eelfLogger.info(EelfMsgs.EXIT); return null; } - if (!req.isSecure()) { + if (!req.isSecure() && config.isTlsEnabled()) { eelfLogger.error( - "NODE0104 Rejecting insecure PUT or DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + "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("NODE0105 Rejecting bad URI for PUT or DELETE of " + req.getPathInfo() + " from " + req - .getRemoteAddr()); + 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. Expecting /."); + INVALID_REQUEST_URI); eelfLogger.info(EelfMsgs.EXIT); return null; } return fileid; } - private boolean isAuthorizedToDelete(HttpServletResponse resp, String subscriptionId, String errorMessage) throws IOException { + 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"); + + 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); + eelfLogger.error("NODE0114 " + errorMessage + " Error: Subscription " + subscriptionId + + " does not exist", npe); resp.sendError(HttpServletResponse.SC_NOT_FOUND); eelfLogger.info(EelfMsgs.EXIT); return false; @@ -582,4 +555,88 @@ public class NodeServlet extends HttpServlet { return -1; } } + + /** + * Utility class that validates the path url formed from + * the string passed in the request parameters. + */ + static class PathUtil { + + private PathUtil() { + throw new IllegalStateException("Utility Class"); + } + + /** + * This method takes String as the parameter and return the filtered path string. + * + * @param string String to clean + * @return A cleaned String + */ + static String cleanString(String string) { + if (string == null) { + return null; + } + StringBuilder cleanString = new StringBuilder(); + for (int i = 0; i < string.length(); ++i) { + cleanString.append(cleanChar(string.charAt(i))); + } + return cleanString.toString(); + } + + /** + * This method filters the valid special characters in path string. + * + * @param character The char to be cleaned + * @return The cleaned char + */ + private static char cleanChar(char character) { + // 0 - 9 + for (int i = 48; i < 58; ++i) { + if (character == i) { + return (char) i; + } + } + // 'A' - 'Z' + for (int i = 65; i < 91; ++i) { + if (character == i) { + return (char) i; + } + } + // 'a' - 'z' + for (int i = 97; i < 123; ++i) { + if (character == i) { + return (char) i; + } + } + return getValidCharacter(character); + } + + private static char getValidCharacter(char character) { + // other valid characters + switch (character) { + case '/': + return '/'; + case '.': + return '.'; + case '-': + return '-'; + case ':': + return ':'; + case '?': + return '?'; + case '&': + return '&'; + case '=': + return '='; + case '#': + return '#'; + case '_': + return '_'; + case ' ': + return ' '; + default: + return '%'; + } + } + } }