/**
* Constructor.
*
* @param rq request
* @param rs response
* @throws IOException I/O exception
*/
public HTTPContext(final HttpServletRequest rq, final HttpServletResponse rs) throws IOException {
req = rq;
res = rs;
final String m = rq.getMethod();
method = HTTPMethod.get(m);
final StringBuilder uri = new StringBuilder(req.getRequestURL());
final String qs = req.getQueryString();
if (qs != null) uri.append('?').append(qs);
log(false, m, uri);
// set UTF8 as default encoding (can be overwritten)
res.setCharacterEncoding(UTF8);
segments = toSegments(req.getPathInfo());
path = join(0);
user = System.getProperty(DBUSER);
pass = System.getProperty(DBPASS);
// set session-specific credentials
final String auth = req.getHeader(AUTHORIZATION);
if (auth != null) {
final String[] values = auth.split(" ");
if (values[0].equals(BASIC)) {
final String[] cred = Base64.decode(values[1]).split(":", 2);
if (cred.length != 2) throw new LoginException(NOPASSWD);
user = cred[0];
pass = cred[1];
} else {
throw new LoginException(WHICHAUTH, values[0]);
}
}
}
@Override
public void parseRequestParameters(
final Map<String, String> params, final Map<String, com.bradmcevoy.http.FileItem> files)
throws RequestParseException {
try {
if (isMultiPart()) {
parseQueryString(params, req.getQueryString());
@SuppressWarnings("unchecked")
final List<FileItem> items = new ServletFileUpload().parseRequest(req);
for (final FileItem item : items) {
if (item.isFormField()) params.put(item.getFieldName(), item.getString());
else files.put(item.getFieldName(), new FileItemWrapper(item));
}
} else {
final Enumeration<String> en = req.getParameterNames();
while (en.hasMoreElements()) {
final String nm = en.nextElement();
final String val = req.getParameter(nm);
params.put(nm, val);
}
}
} catch (final FileUploadException ex) {
throw new RequestParseException("FileUploadException", ex);
} catch (final Throwable ex) {
throw new RequestParseException(ex.getMessage(), ex);
}
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
System.out.println("queryString: " + request.getQueryString());
out.println("FILTER-QUERYSTRING:" + (request.getQueryString() != null ? "PASS" : "FAIL"));
}
/**
* Forward this request to the CatalogServices servlet ("/catalog.html").
*
* @param req request
* @param res response
* @throws IOException on IO error
* @throws ServletException other error
*/
public static void forwardToCatalogServices(HttpServletRequest req, HttpServletResponse res)
throws IOException, ServletException {
String reqs = "catalog=" + getReletiveURL(req);
String query = req.getQueryString();
if (query != null) reqs = reqs + "&" + query;
log.info("forwardToCatalogServices(): request string = \"/catalog.html?" + reqs + "\"");
// dispatch to CatalogHtml servlet
RequestForwardUtils.forwardRequestRelativeToCurrentContext("/catalog.html?" + reqs, req, res);
}
/**
* Show the pieces of the request, for debugging
*
* @param req the HttpServletRequest
* @return parsed request
*/
public static String getRequestParsed(HttpServletRequest req) {
return req.getRequestURI()
+ " = "
+ req.getContextPath()
+ "(context), "
+ req.getServletPath()
+ "(servletPath), "
+ req.getPathInfo()
+ "(pathInfo), "
+ req.getQueryString()
+ "(query)";
}
@SuppressWarnings("unchecked")
private void handleAction(
RenderVelocityAction action, String cmd, Vector[] args, HttpServletRequest request) {
if (action != null) {
// add parameter from path
for (int p = 0; p < args[0].size(); p++) {
action.putParam((String) args[0].get(p), (String) args[1].get(p));
}
VelocityContext c = new VelocityContext();
try {
c.put("action", action);
c.put("encoding", action.encoding);
c.put("cmd", cmd);
// c.put("au", action.user);
c.put("reqaddress", request.getRemoteAddr());
c.put("scheme", request.getScheme());
c.put("querystring", request.getQueryString());
if (c.get("querystring") == null) {
c.put("querystring", "");
}
String requesturl = request.getRequestURL().toString();
// c.put("mid", ma.user.mandantid);
c.put("request", request);
c.put("requesturl", requesturl);
c.put("server", request.getServerName());
c.put("port", request.getServerPort());
String ref = request.getHeader("Referer");
if (ref == null) {
ref = "#";
}
c.put("referer", ref);
// process and render template
action.process(c);
} catch (Exception ex) {
ex.printStackTrace();
// action.makeErrorOutput("Internal Error", null, c);
}
}
}
public URL getUrl(HttpServletRequest req) throws IOException {
String servletPath = req.getServletPath();
String selectedServerFullPath = getServerAddress(servletPath);
String queryString = req.getQueryString();
String newUrl = "";
HttpSession session = req.getSession(false);
newUrl = selectedServerFullPath + servletPath;
if (req.getRequestedSessionId() != null)
newUrl = newUrl + ";jsessionid=" + req.getRequestedSessionId();
if (queryString != null) newUrl = newUrl + "?" + queryString;
// if (session != null) newUrl = newUrl + ";jsessionid=" + session.getId();
return new URL(newUrl);
}
/**
* Constructor.
*
* @param rq request
* @param rs response
* @param servlet calling servlet instance
* @throws IOException I/O exception
*/
public HTTPContext(
final HttpServletRequest rq, final HttpServletResponse rs, final BaseXServlet servlet)
throws IOException {
req = rq;
res = rs;
params = new HTTPParams(this);
method = rq.getMethod();
final StringBuilder uri = new StringBuilder(req.getRequestURL());
final String qs = req.getQueryString();
if (qs != null) uri.append('?').append(qs);
log('[' + method + "] " + uri, null);
// set UTF8 as default encoding (can be overwritten)
res.setCharacterEncoding(UTF8);
segments = decode(toSegments(req.getPathInfo()));
// adopt servlet-specific credentials or use global ones
final GlobalOptions mprop = context().globalopts;
user = servlet.user != null ? servlet.user : mprop.get(GlobalOptions.USER);
pass = servlet.pass != null ? servlet.pass : mprop.get(GlobalOptions.PASSWORD);
// overwrite credentials with session-specific data
final String auth = req.getHeader(AUTHORIZATION);
if (auth != null) {
final String[] values = auth.split(" ");
if (values[0].equals(BASIC)) {
final String[] cred = org.basex.util.Base64.decode(values[1]).split(":", 2);
if (cred.length != 2) throw new LoginException(NOPASSWD);
user = cred[0];
pass = cred[1];
} else {
throw new LoginException(WHICHAUTH, values[0]);
}
}
}
/**
* Constructs a new MultipartRequest to handle the specified request, saving any uploaded files to
* the given directory, and limiting the upload size to the specified length. If the content is
* too large, an IOException is thrown. This constructor actually parses the
* <tt>multipart/form-data</tt> and throws an IOException if there's any problem reading or
* parsing the request.
*
* <p>To avoid file collisions, this constructor takes an implementation of the FileRenamePolicy
* interface to allow a pluggable rename policy.
*
* @param request the servlet request.
* @param saveDirectory the directory in which to save any uploaded files.
* @param maxPostSize the maximum size of the POST content.
* @param encoding the encoding of the response, such as ISO-8859-1
* @param policy a pluggable file rename policy
* @exception IOException if the uploaded content is larger than <tt>maxPostSize</tt> or there's a
* problem reading or parsing the request.
*/
public MultipartRequest(
HttpServletRequest request,
String saveDirectory,
int maxPostSize,
String encoding,
FileRenamePolicy policy)
throws IOException {
// Sanity check values
if (request == null) throw new IllegalArgumentException("request cannot be null");
if (saveDirectory == null) throw new IllegalArgumentException("saveDirectory cannot be null");
if (maxPostSize <= 0) {
throw new IllegalArgumentException("maxPostSize must be positive");
}
// Save the dir
File dir = new File(saveDirectory);
// Check saveDirectory is truly a directory
if (!dir.isDirectory()) throw new IllegalArgumentException("Not a directory: " + saveDirectory);
// Check saveDirectory is writable
if (!dir.canWrite()) throw new IllegalArgumentException("Not writable: " + saveDirectory);
// Parse the incoming multipart, storing files in the dir provided,
// and populate the meta objects which describe what we found
MultipartParser parser = new MultipartParser(request, maxPostSize, true, true, encoding);
// Some people like to fetch query string parameters from
// MultipartRequest, so here we make that possible. Thanks to
// Ben Johnson, [email protected], for the idea.
if (request.getQueryString() != null) {
// Let HttpUtils create a name->String[] structure
Hashtable queryParameters = HttpUtils.parseQueryString(request.getQueryString());
// For our own use, name it a name->Vector structure
Enumeration queryParameterNames = queryParameters.keys();
while (queryParameterNames.hasMoreElements()) {
Object paramName = queryParameterNames.nextElement();
String[] values = (String[]) queryParameters.get(paramName);
Vector newValues = new Vector();
for (int i = 0; i < values.length; i++) {
newValues.add(values[i]);
}
parameters.put(paramName, newValues);
}
}
Part part;
while ((part = parser.readNextPart()) != null) {
String name = part.getName();
if (name == null) {
throw new IOException("Malformed input: parameter name missing (known Opera 7 bug)");
}
if (part.isParam()) {
// It's a parameter part, add it to the vector of values
ParamPart paramPart = (ParamPart) part;
String value = paramPart.getStringValue();
Vector existingValues = (Vector) parameters.get(name);
if (existingValues == null) {
existingValues = new Vector();
parameters.put(name, existingValues);
}
existingValues.addElement(value);
} else if (part.isFile()) {
// It's a file part
FilePart filePart = (FilePart) part;
String fileName = filePart.getFileName();
if (fileName != null) {
filePart.setRenamePolicy(policy); // null policy is OK
// The part actually contained a file
filePart.writeTo(dir);
files.put(
name,
new UploadedFile(
dir.toString(), filePart.getFileName(), fileName, filePart.getContentType()));
} else {
// The field did not contain a file
files.put(name, new UploadedFile(null, null, null, null));
}
}
}
}
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws IOException, ServletException {
// 权限判断
StringBuffer sb = new StringBuffer();
String actionType = null;
String queryString = null;
String userid = null;
String isCanAccess = "1";
HttpServletRequest hrequest = (HttpServletRequest) request;
String strContext = hrequest.getContextPath();
if (request instanceof HttpServletRequest) {
// 获取用户信息
userid = (String) hrequest.getSession().getAttribute("AuthorizedUserID");
strContext = hrequest.getContextPath();
queryString = hrequest.getQueryString(); // 整个参数串
actionType = hrequest.getParameter("actionType"); // 一般操作
if (actionType == null) {
actionType = hrequest.getParameter("formSN"); // 针对查询的操作
if (actionType != null) {
actionType = "formSN=" + actionType;
}
} else {
actionType = "actionType=" + actionType;
}
}
if (actionType != null) { // 如果参数不为空，则判断权限，通过存储过程判断
DBConnectionManager dbManager = new DBConnectionManager();
CallableStatement cstmt = null;
Connection conn = null;
try {
conn = dbManager.getConnection();
String query = "{call pkg_security.userAccessFunction(?,?,?,?)}";
cstmt = conn.prepareCall(query);
cstmt.registerOutParameter(1, OracleTypes.VARCHAR);
cstmt.setString(2, userid);
cstmt.setString(3, actionType == null ? null : actionType.trim());
cstmt.setString(4, queryString == null ? null : queryString.trim());
cstmt.execute();
isCanAccess = cstmt.getString(1);
} catch (SQLException e) {
e.printStackTrace();
} finally {
try {
if (cstmt != null) {
cstmt.close();
}
} catch (Exception ex) {
if (conn != null)
try {
conn.close();
} catch (SQLException e1) {
e1.printStackTrace();
}
}
if (conn != null)
try {
conn.close();
} catch (SQLException e1) {
e1.printStackTrace();
}
}
}
// 如果没有权限，定位到提示页面。
if (!isCanAccess.equals("1")) {
HttpServletResponse out = (HttpServletResponse) response;
out.sendRedirect(strContext + "/common/erroraccess.jsp");
return;
} else {
// 汉字问题
HttpServletRequest httpRequest = (HttpServletRequest) request;
httpRequest.setCharacterEncoding(encoding);
// chain.doFilter(request, response);
// 压缩传输
HttpServletResponse httpResponse = (HttpServletResponse) response;
String uri = httpRequest.getRequestURI();
String transferEncoding = getGZIPEncoding((HttpServletRequest) request);
if (transferEncoding == null) {
setResponseHeader(httpResponse, uri, transferEncoding);
chain.doFilter(request, response);
} else {
if (!uri.endsWith("dd.xml")) // 不处理的有哪些??????
{
chain.doFilter(request, response);
} else {
System.out.println("FrameworkFilter:: Filter handle dd.xml");
setResponseHeader(httpResponse, uri, transferEncoding);
httpResponse.setHeader("Content-Encoding", transferEncoding);
GZIPEncodableResponse wrappedResponse =
new GZIPEncodableResponse((HttpServletResponse) response);
chain.doFilter(request, wrappedResponse);
wrappedResponse.flush();
}
}
}
// Pass control on to the next filter
// chain.doFilter(request, response);
}
// get pathInfo and parmameters from servlet call
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws ServletException, IOException {
PrintWriter pw = null;
try {
long startms = System.currentTimeMillis();
if (cat == null || rm.nexradList == null) { // something major wrong
res.sendError(
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"radarServer Radar Station/Catalog initialization problem");
return;
}
// setup
String pathInfo = req.getPathInfo();
if (pathInfo == null) pathInfo = "";
RadarType radarType = RadarType.nexrad; // default
if (pathInfo.indexOf('/', 1) > 1) {
String rt = pathInfo.substring(1, pathInfo.indexOf('/', 1));
radarType = RadarType.valueOf(rt);
}
// default is xml, assume errors will be recorded by logger from this point
if (!pathInfo.endsWith("html")) {
pw = res.getWriter();
res.setContentType("text/xml; charset=iso-8859-1"); // default
}
// radar query
if (req.getQueryString() != null) {
// log.debug("RadarServer query ="+ req.getQueryString() );
if (log.isDebugEnabled())
log.debug("<documentation>\n" + req.getQueryString() + "</documentation>\n");
rm.radarQuery(radarType, req, res, pw);
if (log.isDebugEnabled())
log.debug("after doGet " + (System.currentTimeMillis() - startms));
pw.flush();
return;
}
// return radarCollections catalog xml or html
if (pathInfo.startsWith("/catalog.xml") || pathInfo.startsWith("/dataset.xml")) {
InvCatalogFactory factory = InvCatalogFactory.getDefaultFactory(false); // no validation
String catAsString = factory.writeXML(cat);
pw.println(catAsString);
res.setStatus(HttpServletResponse.SC_OK);
pw.flush();
return;
} else if (pathInfo.startsWith("/catalog.html") || pathInfo.startsWith("/dataset.html")) {
try {
int i =
HtmlWriter.getInstance().writeCatalog(req, res, cat, true); // show catalog as HTML
} catch (Exception e) {
log.error("Radar HtmlWriter failed ", e);
res.sendError(
HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
"radarServer HtmlWriter error " + pathInfo);
return;
}
return;
}
// level2 and level3 catalog/dataset
if (pathInfo.contains("level2/catalog.")
|| pathInfo.contains("level3/catalog.")
|| pathInfo.contains("level2/dataset.")
|| pathInfo.contains("level3/dataset.")) {
level2level3catalog(radarType, pathInfo, pw, req, res);
return;
}
// return stations of dataset
if (pathInfo.endsWith("stations.xml")) {
pathInfo = pathInfo.replace("/stations.xml", "");
Element rootElem = new Element("stationsList");
Document doc = new Document(rootElem);
doc = rm.stationsXML(radarType, doc, rootElem, pathInfo.substring(1));
XMLOutputter fmt = new XMLOutputter(Format.getPrettyFormat());
pw.println(fmt.outputString(doc));
pw.flush();
return;
}
// return specific dataset information, ie IDD
if (pathInfo.endsWith("dataset.xml") || pathInfo.endsWith("catalog.xml")) {
datasetInfoXml(radarType, pathInfo, pw);
return;
}
// needs work nobody using it now
// return Dataset information in html form format
if (pathInfo.endsWith("dataset.html") || pathInfo.endsWith("catalog.html")) {
datasetInfoHtml(radarType, pathInfo, pw, res);
return;
}
// mal formed request with no exceptions
res.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (FileNotFoundException e) {
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_NOT_FOUND);
} catch (Throwable e) {
log.error("RadarServer.doGet failed", e);
if (!res.isCommitted()) res.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
} // end doGet
public Writer getErrorReport(
Writer to, final HttpServletRequest request, CharTransformer escape) throws IOException {
final Writer logMsg = new StringWriter();
final Writer tee = new org.mmbase.util.ChainedWriter(to, logMsg);
Writer msg = tee;
LinkedList<Throwable> stack = getStack();
String ticket = new Date().toString();
Map<String, String> props;
try {
props = org.mmbase.util.ApplicationContextReader.getProperties("mmbase_errorpage");
} catch (javax.naming.NamingException ne) {
props = Collections.emptyMap();
log.info(ne);
}
if (request != null) {
{
msg.append("Headers\n----------\n");
// request properties
for (Object name : Collections.list(request.getHeaderNames())) {
msg.append(
escape.transform(
name + ": " + escape.transform(request.getHeader((String) name)) + "\n"));
}
}
{
msg.append("\nAttributes\n----------\n");
Pattern p = requestIgnore;
if (p == null && props.get("request_ignore") != null) {
p = Pattern.compile(props.get("request_ignore"));
}
for (Object name : Collections.list(request.getAttributeNames())) {
if (p == null || !p.matcher((String) name).matches()) {
msg.append(
escape.transform(name + ": " + request.getAttribute((String) name) + "\n"));
}
}
}
if (Boolean.TRUE.equals(showSession)
|| (showSession == null && !"false".equals(props.get("show_session")))) {
HttpSession ses = request.getSession(false);
if (ses != null) {
msg.append("\nSession\n----------\n");
Pattern p = sessionIgnore;
if (p == null && props.get("session_ignore") != null) {
p = Pattern.compile(props.get("session_ignore"));
}
for (Object name : Collections.list(ses.getAttributeNames())) {
if (p == null || !p.matcher((String) name).matches()) {
msg.append(escape.transform(name + ": " + ses.getAttribute((String) name) + "\n"));
}
}
}
}
}
msg.append("\n");
msg.append("Misc. properties\n----------\n");
if (request != null) {
msg.append("method: ").append(escape.transform(request.getMethod())).append("\n");
msg.append("querystring: ").append(escape.transform(request.getQueryString())).append("\n");
msg.append("requesturl: ")
.append(escape.transform(request.getRequestURL().toString()))
.append("\n");
}
if (Boolean.TRUE.equals(showMMBaseVersion)
|| (showMMBaseVersion == null && !"false".equals(props.get("show_mmbase_version")))) {
msg.append("mmbase version: ").append(org.mmbase.Version.get()).append("\n");
}
msg.append("status: ").append("").append(String.valueOf(status)).append("\n\n");
if (request != null) {
msg.append("Parameters\n----------\n");
// request parameters
Enumeration en = request.getParameterNames();
while (en.hasMoreElements()) {
String name = (String) en.nextElement();
msg.append(name)
.append(": ")
.append(escape.transform(request.getParameter(name)))
.append("\n");
}
}
msg.append("\nException ")
.append(ticket)
.append("\n----------\n\n")
.append(
exception != null
? (escape.transform(exception.getClass().getName()))
: "NO EXCEPTION")
.append(": ");
int wroteCauses = 0;
while (!stack.isEmpty()) {
Throwable t = stack.removeFirst();
// add stack stacktraces
if (t != null) {
if (stack.isEmpty()) { // write last message always
msg = tee;
}
String message = t.getMessage();
if (msg != tee) {
to.append("\n=== skipped(see log) : ")
.append(escape.transform(t.getClass().getName()))
.append(": ")
.append(message)
.append("\n");
}
msg.append("\n\n").append(escape.transform(t.getClass().getName() + ": " + message));
StackTraceElement[] stackTrace = t.getStackTrace();
for (StackTraceElement e : stackTrace) {
msg.append("\n at ").append(escape.transform(e.toString()));
}
if (!stack.isEmpty()) {
msg.append("\n-------caused:\n");
}
wroteCauses++;
if (wroteCauses >= MAX_CAUSES) {
msg = logMsg;
}
}
}
// write errors to log
if (status == 500) {
try {
if (props.get("to") != null && props.get("to").length() > 0) {
javax.naming.Context initCtx = new javax.naming.InitialContext();
javax.naming.Context envCtx = (javax.naming.Context) initCtx.lookup("java:comp/env");
Object mailSession = envCtx.lookup("mail/Session");
Class sessionClass = Class.forName("javax.mail.Session");
Class recipientTypeClass = Class.forName("javax.mail.Message$RecipientType");
Class messageClass = Class.forName("javax.mail.internet.MimeMessage");
Object mail = messageClass.getConstructor(sessionClass).newInstance(mailSession);
messageClass
.getMethod("addRecipients", recipientTypeClass, String.class)
.invoke(mail, recipientTypeClass.getDeclaredField("TO").get(null), props.get("to"));
messageClass.getMethod("setSubject", String.class).invoke(mail, ticket);
mail.getClass().getMethod("setText", String.class).invoke(mail, logMsg.toString());
Class.forName("javax.mail.Transport")
.getMethod("send", Class.forName("javax.mail.Message"))
.invoke(null, mail);
tee.append("\nmailed to (").append(String.valueOf(props)).append(")");
}
} catch (Exception nnfe) {
tee.append("\nnot mailed (").append(String.valueOf(nnfe)).append(")");
if (log.isDebugEnabled()) {
log.debug(nnfe.getMessage(), nnfe);
}
}
log.error("TICKET " + ticket + ":\n" + logMsg);
}
return to;
}
/**
* ************************************************************************ Default handler for
* OPeNDAP ascii requests. Returns OPeNDAP DAP2 data in comma delimited ascii columns for
* ingestion into some not so OPeNDAP enabled application such as MS-Excel. Accepts constraint
* expressions in exactly the same way as the regular OPeNDAP dataserver.
*
* @param request
* @param response
* @param dataSet
* @throws opendap.dap.DAP2Exception
* @throws ParseException
*/
public void sendASCII(HttpServletRequest request, HttpServletResponse response, String dataSet)
throws DAP2Exception, ParseException {
if (Debug.isSet("showResponse"))
System.out.println(
"Sending OPeNDAP ASCII Data For: "
+ dataSet
+ " CE: '"
+ request.getQueryString()
+ "'");
String requestURL, ce;
DConnect2 url;
DataDDS dds;
if (request.getQueryString() == null) {
ce = "";
} else {
ce = "?" + request.getQueryString();
}
int suffixIndex = request.getRequestURL().toString().lastIndexOf(".");
requestURL = request.getRequestURL().substring(0, suffixIndex);
if (Debug.isSet("showResponse")) {
System.out.println("New Request URL Resource: '" + requestURL + "'");
System.out.println("New Request Constraint Expression: '" + ce + "'");
}
try {
if (_Debug) System.out.println("Making connection to .dods service...");
url = new DConnect2(requestURL, true);
if (_Debug) System.out.println("Requesting data...");
dds = url.getData(ce, null, new asciiFactory());
if (_Debug) System.out.println(" ASC DDS: ");
if (_Debug) dds.print(System.out);
PrintWriter pw = new PrintWriter(response.getOutputStream());
PrintWriter pwDebug = new PrintWriter(System.out);
if (dds != null) {
dds.print(pw);
pw.println("---------------------------------------------");
String s = "";
Enumeration e = dds.getVariables();
while (e.hasMoreElements()) {
BaseType bt = (BaseType) e.nextElement();
if (_Debug) ((toASCII) bt).toASCII(pwDebug, true, null, true);
// bt.toASCII(pw,addName,getNAme(),true);
((toASCII) bt).toASCII(pw, true, null, true);
}
} else {
String betterURL =
request.getRequestURL().substring(0, request.getRequestURL().lastIndexOf("."))
+ ".dods?"
+ request.getQueryString();
pw.println("-- ASCII RESPONSE HANDLER PROBLEM --");
pw.println("");
pw.println("The ASCII response handler was unable to obtain requested data set.");
pw.println("");
pw.println("Because this handler calls it's own OPeNDAP server to get the requested");
pw.println("data the source error is obscured.");
pw.println("");
pw.println("To get a better idea of what is going wrong, try requesting the URL:");
pw.println("");
pw.println(" " + betterURL);
pw.println("");
pw.println("And then look carefully at the returned document. Note that if you");
pw.println("are using a browser to access the URL the returned document will");
pw.println("more than likely be treated as a download and written to your");
pw.println("local disk. It should be a file with the extension \".dods\"");
pw.println("");
pw.println("Locate it, open it with a text editor, and find your");
pw.println("way to happiness and inner peace.");
pw.println("");
}
// pw.println("</pre>");
pw.flush();
if (_Debug) pwDebug.flush();
} catch (FileNotFoundException fnfe) {
System.out.println("OUCH! FileNotFoundException: " + fnfe.getMessage());
fnfe.printStackTrace(System.out);
} catch (MalformedURLException mue) {
System.out.println("OUCH! MalformedURLException: " + mue.getMessage());
mue.printStackTrace(System.out);
} catch (IOException ioe) {
System.out.println("OUCH! IOException: " + ioe.getMessage());
ioe.printStackTrace(System.out);
} catch (Throwable t) {
System.out.println("OUCH! Throwable: " + t.getMessage());
t.printStackTrace(System.out);
}
if (_Debug) System.out.println(" GetAsciiHandler done");
}
/**
* Show details about the request
*
* @param servlet used to get teh servlet context, may be null
* @param req the request
* @return string showing the details of the request.
*/
public static String showRequestDetail(HttpServlet servlet, HttpServletRequest req) {
StringBuilder sbuff = new StringBuilder();
sbuff.append("Request Info\n");
sbuff.append(" req.getServerName(): ").append(req.getServerName()).append("\n");
sbuff.append(" req.getServerPort(): ").append(req.getServerPort()).append("\n");
sbuff.append(" req.getContextPath:").append(req.getContextPath()).append("\n");
sbuff.append(" req.getServletPath:").append(req.getServletPath()).append("\n");
sbuff.append(" req.getPathInfo:").append(req.getPathInfo()).append("\n");
sbuff.append(" req.getQueryString:").append(req.getQueryString()).append("\n");
sbuff
.append(" getQueryStringDecoded:")
.append(EscapeStrings.urlDecode(req.getQueryString()))
.append("\n");
/*try {
sbuff.append(" getQueryStringDecoded:").append(URLDecoder.decode(req.getQueryString(), "UTF-8")).append("\n");
} catch (UnsupportedEncodingException e1) {
e1.printStackTrace();
}*/
sbuff.append(" req.getRequestURI:").append(req.getRequestURI()).append("\n");
sbuff.append(" getRequestBase:").append(getRequestBase(req)).append("\n");
sbuff.append(" getRequestServer:").append(getRequestServer(req)).append("\n");
sbuff.append(" getRequest:").append(getRequest(req)).append("\n");
sbuff.append("\n");
sbuff.append(" req.getPathTranslated:").append(req.getPathTranslated()).append("\n");
String path = req.getPathTranslated();
if ((path != null) && (servlet != null)) {
ServletContext context = servlet.getServletContext();
sbuff.append(" getMimeType:").append(context.getMimeType(path)).append("\n");
}
sbuff.append("\n");
sbuff.append(" req.getScheme:").append(req.getScheme()).append("\n");
sbuff.append(" req.getProtocol:").append(req.getProtocol()).append("\n");
sbuff.append(" req.getMethod:").append(req.getMethod()).append("\n");
sbuff.append("\n");
sbuff.append(" req.getContentType:").append(req.getContentType()).append("\n");
sbuff.append(" req.getContentLength:").append(req.getContentLength()).append("\n");
sbuff.append(" req.getRemoteAddr():").append(req.getRemoteAddr());
try {
sbuff
.append(" getRemoteHost():")
.append(java.net.InetAddress.getByName(req.getRemoteHost()).getHostName())
.append("\n");
} catch (java.net.UnknownHostException e) {
sbuff.append(" getRemoteHost():").append(e.getMessage()).append("\n");
}
sbuff.append(" getRemoteUser():").append(req.getRemoteUser()).append("\n");
sbuff.append("\n");
sbuff.append("Request Parameters:\n");
Enumeration params = req.getParameterNames();
while (params.hasMoreElements()) {
String name = (String) params.nextElement();
String values[] = req.getParameterValues(name);
if (values != null) {
for (int i = 0; i < values.length; i++) {
sbuff
.append(" ")
.append(name)
.append(" (")
.append(i)
.append("): ")
.append(values[i])
.append("\n");
}
}
}
sbuff.append("\n");
sbuff.append("Request Headers:\n");
Enumeration names = req.getHeaderNames();
while (names.hasMoreElements()) {
String name = (String) names.nextElement();
Enumeration values = req.getHeaders(name); // support multiple values
if (values != null) {
while (values.hasMoreElements()) {
String value = (String) values.nextElement();
sbuff.append(" ").append(name).append(": ").append(value).append("\n");
}
}
}
sbuff.append(" ------------------\n");
return sbuff.toString();
}
/**
* The entire request including query string
*
* @param req the HttpServletRequest
* @return entire parsed request
*/
public static String getRequest(HttpServletRequest req) {
String query = req.getQueryString();
return getRequestBase(req) + (query == null ? "" : "?" + query);
}
public void generateFileDetails(JspWriter out, HttpServletRequest req, Configuration conf)
throws IOException, InterruptedException {
int chunkSizeToView = 0;
long startOffset = 0;
int datanodePort;
String blockIdStr = null;
long currBlockId = 0;
blockIdStr = req.getParameter("blockId");
if (blockIdStr == null) {
out.print("Invalid input (blockId absent)");
return;
}
currBlockId = Long.parseLong(blockIdStr);
String datanodePortStr = req.getParameter("datanodePort");
if (datanodePortStr == null) {
out.print("Invalid input (datanodePort absent)");
return;
}
datanodePort = Integer.parseInt(datanodePortStr);
String namenodeInfoPortStr = req.getParameter("namenodeInfoPort");
int namenodeInfoPort = -1;
if (namenodeInfoPortStr != null) namenodeInfoPort = Integer.parseInt(namenodeInfoPortStr);
String chunkSizeToViewStr = req.getParameter("chunkSizeToView");
if (chunkSizeToViewStr != null && Integer.parseInt(chunkSizeToViewStr) > 0) {
chunkSizeToView = Integer.parseInt(chunkSizeToViewStr);
} else {
chunkSizeToView = JspHelper.getDefaultChunkSize(conf);
}
String startOffsetStr = req.getParameter("startOffset");
if (startOffsetStr == null || Long.parseLong(startOffsetStr) < 0) startOffset = 0;
else startOffset = Long.parseLong(startOffsetStr);
String filename = HtmlQuoting.unquoteHtmlChars(req.getParameter("filename"));
if (filename == null || filename.length() == 0) {
out.print("Invalid input");
return;
}
String blockSizeStr = req.getParameter("blockSize");
long blockSize = 0;
if (blockSizeStr == null || blockSizeStr.length() == 0) {
out.print("Invalid input");
return;
}
blockSize = Long.parseLong(blockSizeStr);
String tokenString = req.getParameter(JspHelper.DELEGATION_PARAMETER_NAME);
UserGroupInformation ugi = JspHelper.getUGI(req, conf);
DFSClient dfs = JspHelper.getDFSClient(ugi, jspHelper.nameNodeAddr, conf);
List<LocatedBlock> blocks =
dfs.namenode.getBlockLocations(filename, 0, Long.MAX_VALUE).getLocatedBlocks();
// Add the various links for looking at the file contents
// URL for downloading the full file
String downloadUrl =
"http://"
+ req.getServerName()
+ ":"
+ +req.getServerPort()
+ "/streamFile"
+ URLEncoder.encode(filename, "UTF-8")
+ "?"
+ JspHelper.DELEGATION_PARAMETER_NAME
+ "="
+ tokenString;
out.print("<a name=\"viewOptions\"></a>");
out.print("<a href=\"" + downloadUrl + "\">Download this file</a><br>");
DatanodeInfo chosenNode;
// URL for TAIL
LocatedBlock lastBlk = blocks.get(blocks.size() - 1);
long blockId = lastBlk.getBlock().getBlockId();
try {
chosenNode = jspHelper.bestNode(lastBlk);
} catch (IOException e) {
out.print(e.toString());
dfs.close();
return;
}
String fqdn = InetAddress.getByName(chosenNode.getHost()).getCanonicalHostName();
String tailUrl =
"http://"
+ fqdn
+ ":"
+ chosenNode.getInfoPort()
+ "/tail.jsp?filename="
+ URLEncoder.encode(filename, "UTF-8")
+ "&namenodeInfoPort="
+ namenodeInfoPort
+ "&chunkSizeToView="
+ chunkSizeToView
+ "&referrer="
+ URLEncoder.encode(req.getRequestURL() + "?" + req.getQueryString(), "UTF-8")
+ JspHelper.getDelegationTokenUrlParam(tokenString);
out.print("<a href=\"" + tailUrl + "\">Tail this file</a><br>");
out.print("<form action=\"/browseBlock.jsp\" method=GET>");
out.print("<b>Chunk size to view (in bytes, up to file's DFS block size): </b>");
out.print("<input type=\"hidden\" name=\"blockId\" value=\"" + currBlockId + "\">");
out.print("<input type=\"hidden\" name=\"blockSize\" value=\"" + blockSize + "\">");
out.print("<input type=\"hidden\" name=\"startOffset\" value=\"" + startOffset + "\">");
out.print("<input type=\"hidden\" name=\"filename\" value=\"" + filename + "\">");
out.print("<input type=\"hidden\" name=\"datanodePort\" value=\"" + datanodePort + "\">");
out.print(
"<input type=\"hidden\" name=\"namenodeInfoPort\" value=\"" + namenodeInfoPort + "\">");
out.print(
"<input type=\"text\" name=\"chunkSizeToView\" value="
+ chunkSizeToView
+ " size=10 maxlength=10>");
out.print(" <input type=\"submit\" name=\"submit\" value=\"Refresh\">");
out.print("</form>");
out.print("<hr>");
out.print("<a name=\"blockDetails\"></a>");
out.print("<B>Total number of blocks: " + blocks.size() + "</B><br>");
// generate a table and dump the info
out.println("\n<table>");
for (LocatedBlock cur : blocks) {
out.print("<tr>");
blockId = cur.getBlock().getBlockId();
blockSize = cur.getBlock().getNumBytes();
String blk = "blk_" + Long.toString(blockId);
out.print("<td>" + Long.toString(blockId) + ":</td>");
DatanodeInfo[] locs = cur.getLocations();
for (int j = 0; j < locs.length; j++) {
String datanodeAddr = locs[j].getName();
datanodePort =
Integer.parseInt(
datanodeAddr.substring(datanodeAddr.indexOf(':') + 1, datanodeAddr.length()));
fqdn = InetAddress.getByName(locs[j].getHost()).getCanonicalHostName();
String blockUrl =
"http://"
+ fqdn
+ ":"
+ locs[j].getInfoPort()
+ "/browseBlock.jsp?blockId="
+ Long.toString(blockId)
+ "&blockSize="
+ blockSize
+ "&filename="
+ URLEncoder.encode(filename, "UTF-8")
+ "&datanodePort="
+ datanodePort
+ "&genstamp="
+ cur.getBlock().getGenerationStamp()
+ "&namenodeInfoPort="
+ namenodeInfoPort
+ "&chunkSizeToView="
+ chunkSizeToView;
out.print(
"<td> </td>" + "<td><a href=\"" + blockUrl + "\">" + datanodeAddr + "</a></td>");
}
out.println("</tr>");
}
out.println("</table>");
out.print("<hr>");
String namenodeHost = jspHelper.nameNodeAddr.getHostName();
out.print(
"<br><a href=\"http://"
+ InetAddress.getByName(namenodeHost).getCanonicalHostName()
+ ":"
+ namenodeInfoPort
+ "/dfshealth.jsp\">Go back to DFS home</a>");
dfs.close();
}
public void getEnv(VariableTable vt) {
Enumeration e = null;
HttpServletRequest request = (HttpServletRequest) (pageContext.getRequest());
HttpSession session = request.getSession(false);
String db_charset = "gb2312";
String url_charset = null;
vt.remove("SESSION.LOGINID");
vt.remove("SESSION.LOGINNAME");
vt.remove("SESSION.LOGINROLE");
if (vt.exists("WEBCHART.DB_CHARSET")) {
db_charset = vt.getString("WEBCHART.DB_CHARSET");
}
if (vt.exists("WEBCHART.URL_CHARSET")) {
url_charset = vt.getString("WEBCHART.URL_CHARSET");
}
if (session != null) {
e = session.getAttributeNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
Object value = session.getAttribute(name);
vt.add(name, java.sql.Types.VARCHAR);
if (value != null) vt.setValue(name, value.toString());
}
vt.add("SESSION.ID", java.sql.Types.VARCHAR);
vt.setValue("SESSION.ID", session.getId());
vt.add("SESSION.CREATE", java.sql.Types.VARCHAR);
vt.setValue(
"SESSION.CREATE",
DBOperation.toString(
new java.util.Date(session.getCreationTime()), "yyyy-MM-dd HH:mm:ss"));
vt.add("SESSION.ACCESS", java.sql.Types.VARCHAR);
vt.setValue(
"SESSION.ACCESS",
DBOperation.toString(
new java.util.Date(session.getLastAccessedTime()), "yyyy-MM-dd HH:mm:ss"));
}
e = request.getParameterNames();
while (e.hasMoreElements()) {
String name = (String) e.nextElement();
String value = request.getParameter(name);
;
String par_values[] = request.getParameterValues(name);
name = name.toUpperCase();
if (name.equalsIgnoreCase("WEBCHART.SECURITY")
|| name.equalsIgnoreCase("WEBCHART.DEFAULTACCESS")
|| name.equalsIgnoreCase("WEBCHART.ALLOW")
|| name.equalsIgnoreCase("WEBCHART.DENY")
|| name.equalsIgnoreCase("WEBCHART.IPSECURITY")
|| name.equalsIgnoreCase("WEBCHART.IPACCESS")
|| name.equalsIgnoreCase("WEBCHART.IPALLOW")
|| name.equalsIgnoreCase("WEBCHART.IPDENY")
|| name.equalsIgnoreCase("WEBCHART.XSLDOC")
|| name.equalsIgnoreCase("WEBCHART.IMAGEONLY")
|| name.equalsIgnoreCase("WEBCHART.XMLDATA")
|| name.equalsIgnoreCase("WEBCHART.LOGSQL")
|| name.equalsIgnoreCase("WEBCHART.DATATYPE")
|| name.equalsIgnoreCase("WEBCHART.URLS")
|| name.equalsIgnoreCase("WEBCHART.TOPURLS")
|| name.equalsIgnoreCase("WEBCHART.TOPCURR")
|| name.equalsIgnoreCase("WEBCHART.LEFTURLS")
|| name.equalsIgnoreCase("WEBCHART.LEFTCURR")
|| name.equalsIgnoreCase("WEBCHART.INPUTS")
|| name.equalsIgnoreCase("WEBCHART.CACHE")
|| name.equalsIgnoreCase("WEBCHART.DATA")
|| name.equalsIgnoreCase("WEBCHART.CSS")
|| name.equalsIgnoreCase("WEBCHART.RELOAD")
|| name.equalsIgnoreCase("WEBCHART.EXPIRE")
|| name.equalsIgnoreCase("WEBCHART.DMLKEY")
|| name.equalsIgnoreCase("WEBCHART.ENGINE")
|| name.equalsIgnoreCase("WEBCHART.EXCELURL")
|| name.equalsIgnoreCase("WEBCHART.DBID")
|| name.equalsIgnoreCase("WEBCHART.DBIDSEED")
|| name.equalsIgnoreCase("WEBCHART.SECUREFIELDS")
|| name.equalsIgnoreCase("WEBCHART.KEEP_CACHE_IMAGE")
|| name.equalsIgnoreCase("WEBCHART.KEEP_CACHE_TIME")
|| name.startsWith("WEBCHART.SECUREMEMO")
|| name.startsWith("WEBCHART.QUERY_")
|| name.startsWith("WEBCHART.HEADHTML_")
|| name.startsWith("WEBCHART.DATAHTML_")
|| name.startsWith("WEBCHART.VARLIST_")
|| name.startsWith("WEBCHART.FORALL_")
|| name.startsWith("WEBCHART.XMLDATA_")
|| name.startsWith("WEBCHART.TABLE_")
|| name.startsWith("WEBCHART.COLUMN_")
|| name.startsWith("SESSION.")) continue;
if (name.startsWith("WEBCHART.") && !name.equals("WEBCHART.DOCTYPE")) continue;
vt.add(name, java.sql.Types.VARCHAR);
if (par_values != null && par_values.length > 1) {
StringBuffer temp = new StringBuffer();
for (int i = 0; i < par_values.length; i++) {
if (par_values[i] != null && par_values[i].trim().length() > 0) {
if (temp.length() > 0) {
temp.append(",");
}
temp.append(par_values[i]);
}
}
value = temp.toString();
}
if (url_charset != null) {
try {
value = new String(value.getBytes(url_charset), db_charset);
} catch (java.io.UnsupportedEncodingException uee) {
}
;
}
vt.setValue(name, value);
}
vt.add("REQUEST.REMOTEADDR", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.REMOTEADDR", getClientIPAddr());
vt.add("REQUEST.REMOTEHOST", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.REMOTEHOST", request.getRemoteAddr());
vt.add("REQUEST.REFERER", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.REFERER", request.getHeader("Referer"));
vt.add("REQUEST.QUERYSTRING", java.sql.Types.VARCHAR);
vt.setValue("REQUEST.QUERYSTRING", request.getQueryString());
}