private String getOriginOrReferer(HttpServletRequest pReq) {
String origin = pReq.getHeader("Origin");
if (origin == null) {
origin = pReq.getHeader("Referer");
}
return origin != null ? origin.replaceAll("[\\n\\r]*", "") : null;
}
/**
* OPTION requests are treated as CORS preflight requests
*
* @param req the original request
* @param resp the response the answer are written to
*/
@Override
protected void doOptions(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
Map<String, String> responseHeaders =
requestHandler.handleCorsPreflightRequest(
req.getHeader("Origin"), req.getHeader("Access-Control-Request-Headers"));
for (Map.Entry<String, String> entry : responseHeaders.entrySet()) {
resp.setHeader(entry.getKey(), entry.getValue());
}
}
// Set an appropriate CORS header if requested and if allowed
private void setCorsHeader(HttpServletRequest pReq, HttpServletResponse pResp) {
String origin = requestHandler.extractCorsOrigin(pReq.getHeader("Origin"));
if (origin != null) {
pResp.setHeader("Access-Control-Allow-Origin", origin);
pResp.setHeader("Access-Control-Allow-Credentials", "true");
}
}
/**
* Returns an array with all accepted content types. if the root directory was specified.
*
* @return database
*/
public String[] produces() {
final String accept = req.getHeader("Accept");
if (accept == null) return new String[0];
final String[] acc = accept.split("\\s*,\\s*");
final int as = acc.length;
for (int a = 0; a < as; a++) {
if (acc[a].indexOf(';') != -1) acc[a] = acc[a].replaceAll("\\w*;.*", "");
}
return acc;
}
@Override
public Map<String, String> getHeaders() {
final Map<String, String> map = new HashMap<>();
final Enumeration<String> en = req.getHeaderNames();
while (en.hasMoreElements()) {
final String name = en.nextElement();
final String val = req.getHeader(name);
map.put(name, val);
}
return map;
}
/**
* 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]);
}
}
}
/**
* Process HTTP request.
*
* @param act Action.
* @param req Http request.
* @param res Http response.
*/
private void processRequest(String act, HttpServletRequest req, HttpServletResponse res) {
res.setContentType("application/json");
res.setCharacterEncoding("UTF-8");
GridRestCommand cmd = command(req);
if (cmd == null) {
res.setStatus(HttpServletResponse.SC_BAD_REQUEST);
return;
}
if (!authChecker.apply(req.getHeader("X-Signature"))) {
res.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
GridRestResponse cmdRes;
Map<String, Object> params = parameters(req);
try {
GridRestRequest cmdReq = createRequest(cmd, params, req);
if (log.isDebugEnabled()) log.debug("Initialized command request: " + cmdReq);
cmdRes = hnd.handle(cmdReq);
if (cmdRes == null)
throw new IllegalStateException("Received null result from handler: " + hnd);
byte[] sesTok = cmdRes.sessionTokenBytes();
if (sesTok != null) cmdRes.setSessionToken(U.byteArray2HexString(sesTok));
res.setStatus(HttpServletResponse.SC_OK);
} catch (Exception e) {
res.setStatus(HttpServletResponse.SC_OK);
U.error(log, "Failed to process HTTP request [action=" + act + ", req=" + req + ']', e);
cmdRes = new GridRestResponse(STATUS_FAILED, e.getMessage());
} catch (Throwable e) {
U.error(log, "Failed to process HTTP request [action=" + act + ", req=" + req + ']', e);
throw e;
}
JsonConfig cfg = new GridJettyJsonConfig();
// Workaround for not needed transformation of string into JSON object.
if (cmdRes.getResponse() instanceof String)
cfg.registerJsonValueProcessor(cmdRes.getClass(), "response", SKIP_STR_VAL_PROC);
if (cmdRes.getResponse() instanceof GridClientTaskResultBean
&& ((GridClientTaskResultBean) cmdRes.getResponse()).getResult() instanceof String)
cfg.registerJsonValueProcessor(cmdRes.getResponse().getClass(), "result", SKIP_STR_VAL_PROC);
JSON json;
try {
json = JSONSerializer.toJSON(cmdRes, cfg);
} catch (JSONException e) {
U.error(log, "Failed to convert response to JSON: " + cmdRes, e);
json = JSONSerializer.toJSON(new GridRestResponse(STATUS_FAILED, e.getMessage()), cfg);
}
try {
if (log.isDebugEnabled())
log.debug("Parsed command response into JSON object: " + json.toString(2));
res.getWriter().write(json.toString());
if (log.isDebugEnabled())
log.debug(
"Processed HTTP request [action=" + act + ", jsonRes=" + cmdRes + ", req=" + req + ']');
} catch (IOException e) {
U.error(log, "Failed to send HTTP response: " + json.toString(2), e);
}
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType(XML_RESPONSE_HEADER); // Talkback happens in XML form.
response.setCharacterEncoding("UTF-8"); // Unicode++
request.setCharacterEncoding("UTF-8");
PrintWriter out = null; // The talkback buffer.
// handle startrecord
Integer startRecord = 0;
if (!(request.getParameter("startRecord") == null)) {
try {
startRecord = Integer.parseInt(request.getParameter("startRecord")) - 1;
} catch (NumberFormatException e) {
startRecord = 0;
}
}
// maximumrecords
Integer maximumRecords = Integer.parseInt(this.config.getProperty("default_maximumRecords"));
if (!(request.getParameter("maximumRecords") == null)) {
maximumRecords = Integer.parseInt(request.getParameter("maximumRecords"));
}
// operation
String operation = request.getParameter("operation");
// x_collection
String x_collection = request.getParameter("x-collection");
if (x_collection == null) x_collection = this.config.getProperty("default_x_collection");
if (x_collection == null) operation = null;
// sortkeys
String sortKeys = request.getParameter("sortKeys");
// sortorder
String sortOrder = request.getParameter("sortOrder");
// recordschema
String recordSchema = request.getParameter("recordSchema");
if (recordSchema == null) recordSchema = "dc";
if (recordSchema.equalsIgnoreCase("dcx")) {
recordSchema = "dcx";
}
if (recordSchema.equalsIgnoreCase("solr")) {
recordSchema = "solr";
}
// query request
String query = request.getParameter("query");
String q = request.getParameter("q");
// who is requestor ?
String remote_ip = request.getHeader("X-FORWARDED-FOR");
if (remote_ip == null) {
remote_ip = request.getRemoteAddr().trim();
} else {
remote_ip = request.getHeader("X-FORWARDED-FOR");
}
// handle debug
Boolean debug = Boolean.parseBoolean(request.getParameter("debug"));
if (!debug) {
out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), "UTF8"), true);
}
// handle query
if ((query == null) && (q != null)) {
query = q;
} else {
if ((query != null) && (q == null)) {
q = query;
} else {
operation = null;
}
}
// handle operation
if (operation == null) {
if (query != null) {
operation = "searchRetrieve";
} else {
operation = "explain";
}
}
// searchRetrieve
if (operation.equalsIgnoreCase("searchRetrieve")) {
if (query == null) {
operation = "explain";
log.debug(operation + ":" + query);
}
}
// start talking back.
String[] sq = {""};
String solrquery = "";
// facet
String facet = null;
List<FacetField> fct = null;
if (request.getParameter("facet") != null) {
facet = request.getParameter("facet");
log.debug("facet : " + facet);
}
if (operation == null) {
operation = "searchretrieve";
} else { // explain response
if (operation.equalsIgnoreCase("explain")) {
log.debug("operation = explain");
out.write("<srw:explainResponse xmlns:srw=\"http://www.loc.gov/zing/srw/\">");
out.write("</srw:explainResponse>");
} else { // DEBUG routine
operation = "searchretrieve";
String triplequery = null;
if (query.matches(".*?\\[.+?\\].*?")) { // New symantic syntax
triplequery = symantic_query(query);
query = query.split("\\[")[0] + " " + triplequery;
log.fatal(triplequery);
solrquery = CQLtoLucene.translate(query, log, config);
} else {
solrquery = CQLtoLucene.translate(query, log, config);
}
log.debug(solrquery);
if (debug == true) {
response.setContentType(HTML_RESPONSE_HEADER);
out = new PrintWriter(new OutputStreamWriter(response.getOutputStream(), "UTF8"), true);
out.write("<html><body>\n\n");
out.write("'" + remote_ip + "'<br>\n");
out.write("<form action='http://www.kbresearch.nl/kbSRU'>");
out.write("<input type=text name=q value='" + query + "' size=120>");
out.write("<input type=hidden name=debug value=True>");
out.write("<input type=submit>");
out.write("<table border=1><tr><td>");
out.write("q</td><td>" + query + "</td></tr><tr>");
out.write("<td>query out</td><td>" + URLDecoder.decode(solrquery) + "</td></tr>");
out.write(
"<tr><td>SOLR_URL</td><td> <a href='"
+ this.config.getProperty(
"collection." + x_collection.toLowerCase() + ".solr_baseurl")
+ "/?q="
+ solrquery
+ "'>"
+ this.config.getProperty(
"collection." + x_collection.toLowerCase() + ".solr_baseurl")
+ "/select/?q="
+ solrquery
+ "</a><br>"
+ this.config.getProperty("solr_url")
+ solrquery
+ "</td></tr>");
out.write(
"<b>SOLR_QUERY</b> : <BR> <iframe width=900 height=400 src='"
+ this.config.getProperty(
"collection." + x_collection.toLowerCase() + ".solr_baseurl")
+ "/../?q="
+ solrquery
+ "'></iframe><BR>");
out.write(
"<b>SRU_QUERY</b> : <BR> <a href="
+ this.config.getProperty("baseurl")
+ "?q="
+ query
+ "'>"
+ this.config.getProperty("baseurl")
+ "?q="
+ query
+ "</a><br><iframe width=901 height=400 src='http://www.kbresearch.nl/kbSRU/?q="
+ query
+ "'></iframe><BR>");
out.write(
"<br><b>JSRU_QUERY</b> : <BR><a href='http://jsru.kb.nl/sru/?query="
+ query
+ "&x-collection="
+ x_collection
+ "'>http://jsru.kb.nl/sru/?query="
+ query
+ "&x-collection=GGC</a><br><iframe width=900 height=400 src='http://jsru.kb.nl/sru/?query="
+ query
+ "&x-collection=GGC'></iframe>");
} else { // XML SearchRetrieve response
String url =
this.config.getProperty("collection." + x_collection.toLowerCase() + ".solr_baseurl");
String buffer = "";
CommonsHttpSolrServer server = null;
server = new CommonsHttpSolrServer(url);
log.fatal("URSING " + url);
server.setParser(new XMLResponseParser());
int numfound = 0;
try {
SolrQuery do_query = new SolrQuery();
do_query.setQuery(solrquery);
do_query.setRows(maximumRecords);
do_query.setStart(startRecord);
if ((sortKeys != null) && (sortKeys.length() > 1)) {
if (sortOrder != null) {
if (sortOrder.equals("asc")) {
do_query.setSortField(sortKeys, SolrQuery.ORDER.asc);
}
if (sortOrder.equals("desc")) {
do_query.setSortField(sortKeys, SolrQuery.ORDER.desc);
}
} else {
for (String str : sortKeys.trim().split(",")) {
str = str.trim();
if (str.length() > 1) {
if (str.equals("date")) {
do_query.setSortField("date_date", SolrQuery.ORDER.desc);
log.debug("SORTORDERDEBUG | DATE! " + str + " | ");
break;
} else {
do_query.setSortField(str + "_str", SolrQuery.ORDER.asc);
log.debug("SORTORDERDEBUG | " + str + " | ");
break;
}
}
}
}
}
if (facet != null) {
if (facet.indexOf(",") > 1) {
for (String str : facet.split(",")) {
if (str.indexOf("date") > 1) {
do_query.addFacetField(str);
} else {
do_query.addFacetField(str);
}
// do_query.setParam("facet.method", "enum");
}
// q.setFacetSort(false);
} else {
do_query.addFacetField(facet);
}
do_query.setFacet(true);
do_query.setFacetMinCount(1);
do_query.setFacetLimit(-1);
}
log.fatal(solrquery);
QueryResponse rsp = null;
boolean do_err = false;
boolean do_sugg = false;
SolrDocumentList sdl = null;
String diag = "";
StringBuffer suggest = new StringBuffer("");
String content = "1";
SolrQuery spellq = do_query;
try {
rsp = server.query(do_query);
} catch (SolrServerException e) {
String header = this.SRW_HEADER.replaceAll("\\$numberOfRecords", "0");
out.write(header);
diag = this.SRW_DIAG.replaceAll("\\$error", e.getMessage());
do_err = true;
rsp = null;
}
log.fatal("query done..");
if (!(do_err)) { // XML dc response
SolrDocumentList docs = rsp.getResults();
numfound = (int) docs.getNumFound();
int count = startRecord;
String header =
this.SRW_HEADER.replaceAll("\\$numberOfRecords", Integer.toString(numfound));
out.write(header);
out.write("<srw:records>");
Iterator<SolrDocument> iter = rsp.getResults().iterator();
while (iter.hasNext()) {
count += 1;
if (recordSchema.equalsIgnoreCase("dc")) {
SolrDocument resultDoc = iter.next();
content = (String) resultDoc.getFieldValue("id");
out.write("<srw:record>");
out.write("<srw:recordPacking>xml</srw:recordPacking>");
out.write("<srw:recordSchema>info:srw/schema/1/dc-v1.1</srw:recordSchema>");
out.write(
"<srw:recordData xmlns:srw_dc=\"info:srw/schema/1/dc-v1.1\" xmlns:mods=\"http://www.loc.gov/mods\" xmlns:dcterms=\"http://purl.org/dc/terms/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:dcx=\"http://krait.kb.nl/coop/tel/handbook/telterms.html\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:marcrel=\"http://www.loc.gov/loc.terms/relators/OTH\" xmlns:facets=\"info:srw/extension/4/facets\" >");
StringBuffer result = new StringBuffer("");
construct_lucene_dc(result, resultDoc);
out.write(result.toString());
out.write("</srw:recordData>");
out.write(
"<srw:recordPosition>" + Integer.toString(count) + "</srw:recordPosition>");
out.write("</srw:record>");
}
if (recordSchema.equalsIgnoreCase("solr")) {
SolrDocument resultDoc = iter.next();
content = (String) resultDoc.getFieldValue("id");
out.write("<srw:record>");
out.write("<srw:recordPacking>xml</srw:recordPacking>");
out.write("<srw:recordSchema>info:srw/schema/1/solr</srw:recordSchema>");
out.write("<srw:recordData xmlns:expand=\"http://www.kbresearch.nl/expand\">");
StringBuffer result = new StringBuffer("");
construct_lucene_solr(result, resultDoc);
out.write(result.toString());
out.write("</srw:recordData>");
out.write(
"<srw:recordPosition>" + Integer.toString(count) + "</srw:recordPosition>");
out.write("</srw:record>");
}
if (recordSchema.equalsIgnoreCase("dcx")) { // XML dcx response
out.write("<srw:record>");
out.write("<srw:recordPacking>xml</srw:recordPacking>");
out.write("<srw:recordSchema>info:srw/schema/1/dc-v1.1</srw:recordSchema>");
out.write(
"<srw:recordData><srw_dc:dc xmlns:srw_dc=\"info:srw/schema/1/dc-v1.1\" xmlns:mods=\"http://www.loc.gov/mods\" xmlns:dcterms=\"http://purl.org/dc/terms/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:dcx=\"http://krait.kb.nl/coop/tel/handbook/telterms.html\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:marcrel=\"http://www.loc.gov/marc.relators/\" xmlns:expand=\"http://www.kbresearch.nl/expand\" xmlns:skos=\"http://www.w3.org/2004/02/skos/core#\" xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" >");
SolrDocument resultDoc = iter.next();
content = (String) resultDoc.getFieldValue("id");
String dcx_data =
helpers.getOAIdcx(
"http://services.kb.nl/mdo/oai?verb=GetRecord&identifier=" + content,
log);
if (x_collection.equalsIgnoreCase("ggc-thes")) {
dcx_data =
helpers.getOAIdcx(
"http://serviceso.kb.nl/mdo/oai?verb=GetRecord&identifier=" + content,
log);
}
if (!(dcx_data.length() == 0)) {
out.write(dcx_data);
} else {
// Should not do this!!
out.write("<srw:record>");
out.write("<srw:recordPacking>xml</srw:recordPacking>");
out.write("<srw:recordSchema>info:srw/schema/1/dc-v1.1</srw:recordSchema>");
out.write(
"<srw:recordData xmlns:srw_dc=\"info:srw/schema/1/dc-v1.1\" xmlns:mods=\"http://www.loc.gov/mods\" xmlns:dcterms=\"http://purl.org/dc/terms/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:dcx=\"http://krait.kb.nl/coop/tel/handbook/telterms.html\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:marcrel=\"http://www.loc.gov/loc.terms/relators/OTH\" >");
StringBuffer result = new StringBuffer("");
construct_lucene_dc(result, resultDoc);
out.write(result.toString());
out.write("</srw:recordData>");
out.write(
"<srw:recordPosition>" + Integer.toString(count) + "</srw:recordPosition>");
out.write("</srw:record>");
}
out.write("</srw_dc:dc>");
StringBuffer expand_data;
boolean expand = false;
if (content.startsWith("GGC-THES:AC:")) {
String tmp_content = "";
tmp_content = content.replaceFirst("GGC-THES:AC:", "");
log.fatal("calling get");
expand_data =
new StringBuffer(
helpers.getExpand(
"http://www.kbresearch.nl/general/lod_new/get/"
+ tmp_content
+ "?format=rdf",
log));
log.fatal("get finini");
if (expand_data.toString().length() > 4) {
out.write(
"<srw_dc:expand xmlns:srw_dc=\"info:srw/schema/1/dc-v1.1\" xmlns:expand=\"http://www.kbresearch.nl/expand\" xmlns:skos=\"http://www.w3.org/2004/02/skos/core#\" xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" >");
out.write(expand_data.toString());
expand = true;
}
} else {
expand_data =
new StringBuffer(
helpers.getExpand(
"http://www.kbresearch.nl/ANP.cgi?q=" + content, log));
if (expand_data.toString().length() > 0) {
if (!expand) {
out.write(
"<srw_dc:expand xmlns:srw_dc=\"info:srw/schema/1/dc-v1.1\" xmlns:expand=\"http://www.kbresearch.nl/expand\" xmlns:skos=\"http://www.w3.org/2004/02/skos/core#\" xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\" >");
expand = true;
}
out.write(expand_data.toString());
}
}
if (expand) {
out.write("</srw_dc:expand>");
}
out.write("</srw:recordData>");
out.write(
"<srw:recordPosition>" + Integer.toString(count) + "</srw:recordPosition>");
out.write("</srw:record>");
}
}
}
if ((do_err) || (numfound == 0)) {
log.fatal("I haz suggestions");
try {
spellq.setParam("spellcheck", true);
spellq.setQueryType("/spell");
server = new CommonsHttpSolrServer(url);
rsp = server.query(spellq);
sdl = rsp.getResults();
SpellCheckResponse spell;
spell = rsp.getSpellCheckResponse();
List<SpellCheckResponse.Suggestion> suggestions = spell.getSuggestions();
if (suggestions.isEmpty() == false) {
suggest.append("<srw:extraResponseData>");
suggest.append("<suggestions>");
for (SpellCheckResponse.Suggestion sugg : suggestions) {
suggest.append("<suggestionfor>" + sugg.getToken() + "</suggestionfor>");
for (String item : sugg.getSuggestions()) {
suggest.append("<suggestion>" + item + "</suggestion>");
}
suggest.append("</suggestions>");
suggest.append("</srw:extraResponseData>");
}
do_sugg = true;
}
} catch (Exception e) {
rsp = null;
// log.fatal(e.toString());
}
;
}
;
if (!do_err) {
if (facet != null) {
try {
fct = rsp.getFacetFields();
out.write("<srw:facets>");
for (String str : facet.split(",")) {
out.write("<srw:facet>");
out.write("<srw:facetType>");
out.write(str);
out.write("</srw:facetType>");
for (FacetField f : fct) {
log.debug(f.getName());
// if (f.getName().equals(str+"_str") || (f.getName().equals(str+"_date")) ) {
List<FacetField.Count> facetEnties = f.getValues();
for (FacetField.Count fcount : facetEnties) {
out.write("<srw:facetValue>");
out.write("<srw:valueString>");
out.write(helpers.xmlEncode(fcount.getName()));
out.write("</srw:valueString>");
out.write("<srw:count>");
out.write(Double.toString(fcount.getCount()));
out.write("</srw:count>");
out.write("</srw:facetValue>");
// }
}
}
out.write("</srw:facet>");
}
out.write("</srw:facets>");
startRecord += 1;
} catch (Exception e) {
}
// log.fatal(e.toString()); }
}
} else {
out.write(diag);
}
out.write("</srw:records>"); // SearchRetrieve response footer
String footer = this.SRW_FOOTER.replaceAll("\\$query", helpers.xmlEncode(query));
footer = footer.replaceAll("\\$startRecord", (startRecord).toString());
footer = footer.replaceAll("\\$maximumRecords", maximumRecords.toString());
footer = footer.replaceAll("\\$recordSchema", recordSchema);
if (do_sugg) {
out.write(suggest.toString());
}
out.write(footer);
} catch (MalformedURLException e) {
out.write(e.getMessage());
} catch (IOException e) {
out.write("TO ERR is Human");
}
}
}
}
out.close();
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
InetAddress serverIp = null;
Enumeration interfaces = NetworkInterface.getNetworkInterfaces();
String hostname = "", clientIp = "", userAgent = "";
try {
serverIp = InetAddress.getLocalHost();
hostname = serverIp.getHostName();
clientIp = request.getHeader("X-FORWARDED-FOR");
if (clientIp == null) {
clientIp = request.getRemoteAddr();
}
userAgent = request.getHeader("user-agent");
} catch (UnknownHostException e) {
e.printStackTrace();
}
response.setContentType("text/html");
PrintWriter writer = response.getWriter();
writer.println("<html>");
writer.println("<head>");
writer.println("<title>Sample Application Page</title>");
writer.println("</head>");
writer.println("<body bgcolor=white>");
writer.println("<table border=\"0\">");
writer.println("<tr>");
writer.println("<td>");
writer.println("<h1>Sample Application</h1>");
writer.println("</td>");
writer.println("</tr>");
writer.println("<tr>");
writer.println("<td>");
// writer.println("Server IP address: <strong>" + serverIp.getHostAddress() +
// "</strong>");
writer.println("Server IP addresses: <strong>");
while (interfaces.hasMoreElements()) {
NetworkInterface n = (NetworkInterface) interfaces.nextElement();
Enumeration inetAddresses = n.getInetAddresses();
while (inetAddresses.hasMoreElements()) {
InetAddress address = (InetAddress) inetAddresses.nextElement();
if (address.getHostAddress().substring(0, 6).compareTo("10.42.") == 0)
writer.println(address.getHostAddress() + " ");
}
}
writer.println("</strong>");
writer.println("</td>");
writer.println("</tr>");
writer.println("<tr>");
writer.println("<td>");
writer.println("Server Hostname: <strong>" + hostname + "</strong>");
writer.println("</td>");
writer.println("</tr>");
writer.println("<tr>");
writer.println("<td>");
writer.println("Your current IP address: <strong>" + clientIp + "</strong>");
writer.println("</td>");
writer.println("</tr>");
writer.println("<tr>");
writer.println("<td>");
writer.println("Your current User-Agent: <strong>" + userAgent + "</strong>");
writer.println("</td>");
writer.println("</tr>");
writer.println("</table>");
writer.println("</body>");
writer.println("</html>");
}
/** Common request handling. */
public void service(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resetState();
boolean success = false;
HttpSession session = req.getSession(false);
try {
this.req = req;
this.resp = resp;
if (log.isDebug()) {
logParams();
}
resp.setContentType("text/html");
if (!mayPageBeCached()) {
resp.setHeader("pragma", "no-cache");
resp.setHeader("Cache-control", "no-cache");
}
reqURL = new URL(UrlUtil.getRequestURL(req));
clientAddr = getLocalIPAddr();
// check that current user has permission to run this servlet
if (!isServletAllowed(myServletDescr())) {
displayWarningInLieuOfPage("You are not authorized to use " + myServletDescr().heading);
return;
}
// check whether servlet is disabled
String reason = ServletUtil.servletDisabledReason(myServletDescr().getServletName());
if (reason != null) {
displayWarningInLieuOfPage("This function is disabled. " + reason);
return;
}
if (session != null) {
session.setAttribute(SESSION_KEY_RUNNING_SERVLET, getHeading());
String reqHost = req.getRemoteHost();
String forw = req.getHeader(HttpFields.__XForwardedFor);
if (!StringUtil.isNullString(forw)) {
reqHost += " (proxies for " + forw + ")";
}
session.setAttribute(SESSION_KEY_REQUEST_HOST, reqHost);
}
lockssHandleRequest();
success = (errMsg == null);
} catch (ServletException e) {
log.error("Servlet threw", e);
throw e;
} catch (IOException e) {
log.error("Servlet threw", e);
throw e;
} catch (RuntimeException e) {
log.error("Servlet threw", e);
throw e;
} finally {
if (session != null) {
session.setAttribute(SESSION_KEY_RUNNING_SERVLET, null);
session.setAttribute(LockssFormAuthenticator.__J_AUTH_ACTIVITY, TimeBase.nowMs());
}
if ("please".equalsIgnoreCase(req.getHeader("X-Lockss-Result"))) {
log.debug3("X-Lockss-Result: " + (success ? "Ok" : "Fail"));
resp.setHeader("X-Lockss-Result", success ? "Ok" : "Fail");
}
resetMyLocals();
resetLocals();
}
}
@Override
public String getRequestHeader(final Header header) {
return req.getHeader(header.code);
}
