/** Sends out the raw polling log output. */
public void doPollingLog(StaplerRequest req, StaplerResponse rsp) throws IOException {
rsp.setContentType("text/plain;charset=UTF-8");
// Prevent jelly from flushing stream so Content-Length header can be added afterwards
FlushProofOutputStream out = new FlushProofOutputStream(rsp.getCompressedOutputStream(req));
getPollingLogText().writeLogTo(0, out);
out.close();
}
/** Serves <tt>help.html</tt> from the resource of {@link #clazz}. */
public void doHelp(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
String path = req.getRestOfPath();
if (path.contains("..")) throw new ServletException("Illegal path: " + path);
path = path.replace('/', '-');
for (Class c = clazz; c != null; c = c.getSuperclass()) {
RequestDispatcher rd = Stapler.getCurrentRequest().getView(c, "help" + path);
if (rd != null) { // Jelly-generated help page
rd.forward(req, rsp);
return;
}
InputStream in = getHelpStream(c, path);
if (in != null) {
// TODO: generalize macro expansion and perhaps even support JEXL
rsp.setContentType("text/html;charset=UTF-8");
String literal = IOUtils.toString(in, "UTF-8");
rsp.getWriter()
.println(
Util.replaceMacro(
literal, Collections.singletonMap("rootURL", req.getContextPath())));
in.close();
return;
}
}
rsp.sendError(SC_NOT_FOUND);
}
@Restricted(DoNotUse.class)
public void doStatic(StaplerRequest req, StaplerResponse rsp) throws Exception {
rsp.setContentType("text/html;charset=UTF-8");
PrintWriter pw = rsp.getWriter();
pw.println("<html><head><title>Jenkins Workflow Reference</title></head><body>");
pw.println("<h1>Steps</h1>");
for (StepDescriptor d : getStepDescriptors(false)) {
generateStepHelp(d, pw);
}
pw.println("<h1>Advanced/Deprecated Steps</h1>");
for (StepDescriptor d : getStepDescriptors(true)) {
generateStepHelp(d, pw);
}
pw.println("<h1>Variables</h1>");
for (GlobalVariable v : getGlobalVariables()) {
pw.println("<h2><code>" + v.getName() + "</code></h2>");
RequestDispatcher rd = req.getView(v, "help");
if (rd != null) {
pw.println("(help for variables not currently supported here)");
/* TODO RequestDispatcher.include sends that content, but then closes the stream and prevents further output from appearing.
Also ${rootURL} etc. are not set, but no idea what JellyContext to pass to Functions.initPageVariables
Not clear how to fix these issues except by rewriting all of this to be driven from a static.jelly page.
Also need to use new PrintWriter(new OutputStreamWriter(rsp.getOutputStream(), "UTF-8")) and pw.flush() at the end
(cannot use getWriter since RequestDispatcher.include will call getOutputStream).
rd.include(req, rsp);
*/
} else {
pw.println("(no help)");
}
}
pw.println("</body></html>");
}
private void writeBody(StaplerResponse response, JSONObject body) throws IOException {
response.setContentType("application/json");
PrintWriter writer = response.getWriter();
writer.write(body.toString());
writer.flush();
writer.close();
}
/** Generate schema. */
public void doSchema(StaplerRequest req, StaplerResponse rsp)
throws IOException, ServletException {
setHeaders(rsp);
rsp.setContentType("application/xml");
StreamResult r = new StreamResult(rsp.getOutputStream());
new SchemaGenerator(new ModelBuilder().get(bean.getClass())).generateSchema(r);
r.getOutputStream().close();
}
/**
* Used by OpenSearch auto-completion. Returns JSON array of the form:
*
* <pre>
* ["queryString",["comp1","comp2",...]]
* </pre>
*
* See http://developer.mozilla.org/en/docs/Supporting_search_suggestions_in_search_plugins
*/
public void doSuggestOpenSearch(StaplerRequest req, StaplerResponse rsp, @QueryParameter String q)
throws IOException, ServletException {
rsp.setContentType(Flavor.JSON.contentType);
DataWriter w = Flavor.JSON.createDataWriter(null, rsp);
w.startArray();
w.value(q);
w.startArray();
for (SuggestedItem item : getSuggestions(req, q)) w.value(item.getPath());
w.endArray();
w.endArray();
}
/**
* @param rsp The stapler response to write the output to.
* @throws IOException
*/
private void writeJSON(StaplerResponse rsp, JSONObject jsonObject) throws IOException {
rsp.setContentType("application/json");
PrintWriter w = rsp.getWriter();
if (jsonObject == null) {
w.write("null");
} else {
w.write(jsonObject.toString());
}
w.flush();
w.close();
}
@WebMethod(name = "heapdump.hprof")
public void doHeapDump(StaplerRequest req, StaplerResponse rsp)
throws IOException, InterruptedException {
owner.checkPermission(Jenkins.RUN_SCRIPTS);
rsp.setContentType("application/octet-stream");
FilePath dump = obtain();
try {
dump.copyTo(rsp.getCompressedOutputStream(req));
} finally {
dump.delete();
}
}
/**
* Check whether the "incorrect version" msg should be displayed, and returns what the currently
* configured version is, in a json.
*/
public void doVersionCheck(StaplerRequest req, StaplerResponse rsp, @QueryParameter String url)
throws IOException {
rsp.setContentType("text/plain;charset=UTF-8");
JSONObject versionJSON = new JSONObject();
String error_display_style = "none";
if (!isGoodCNVersion(url)) {
error_display_style = "inline";
}
versionJSON.element("error_display_style", error_display_style);
VersionNumber version = getVersion(url);
if (version != null) {
versionJSON.element("version", version.toString());
} else {
versionJSON.element("version", "unknown");
}
rsp.getWriter().print(versionJSON.toString());
}
/**
* Accepts <tt>config.xml</tt> submission, as well as serve it.
*/
@WebMethod(name = "config.xml")
public void doConfigDotXml(StaplerRequest req, StaplerResponse rsp)
throws IOException {
if (req.getMethod().equals("GET")) {
// read
checkPermission(EXTENDED_READ);
rsp.setContentType("application/xml");
IOUtils.copy(getConfigFile().getFile(),rsp.getOutputStream());
return;
}
if (req.getMethod().equals("POST")) {
// submission
updateByXml((Source)new StreamSource(req.getReader()));
return;
}
// huh?
rsp.sendError(SC_BAD_REQUEST);
}
private void _errorWithMarkup(String message, String cssClass)
throws IOException, ServletException {
if (message == null) {
ok();
} else {
response.setContentType("text/html;charset=UTF-8");
// 1x16 spacer needed for IE since it doesn't support min-height
response
.getWriter()
.print(
"<div class="
+ cssClass
+ "><img src='"
+ request.getContextPath()
+ Hudson.RESOURCE_PATH
+ "/images/none.gif' height=16 width=1>"
+ message
+ "</div>");
}
}
/** Dumps the contents of the export table. */
public void doDumpExportTable(StaplerRequest req, StaplerResponse rsp)
throws IOException, ServletException, InterruptedException {
// this is a debug probe and may expose sensitive information
checkPermission(Jenkins.ADMINISTER);
rsp.setContentType("text/plain");
PrintWriter w = new PrintWriter(rsp.getCompressedWriter(req));
VirtualChannel vc = getChannel();
if (vc instanceof Channel) {
w.println("Master to slave");
((Channel) vc).dumpExportTable(w);
w.flush(); // flush here once so that even if the dump from the slave fails, the client
// gets some useful info
w.println("\n\n\nSlave to master");
w.print(vc.call(new DumpExportTableTask()));
} else {
w.println(Messages.Computer_BadChannel());
}
w.close();
}
/** Accepts <tt>config.xml</tt> submission, as well as serve it. */
@WebMethod(name = "config.xml")
public void doConfigDotXml(StaplerRequest req, StaplerResponse rsp)
throws IOException, ServletException {
checkPermission(Jenkins.ADMINISTER);
if (req.getMethod().equals("GET")) {
// read
rsp.setContentType("application/xml");
Jenkins.XSTREAM2.toXML(getNode(), rsp.getOutputStream());
return;
}
if (req.getMethod().equals("POST")) {
// submission
Node result = (Node) Jenkins.XSTREAM2.fromXML(req.getReader());
replaceBy(result);
return;
}
// huh?
rsp.sendError(SC_BAD_REQUEST);
}
/** Accepts and serves the job description */
public void doDescription(StaplerRequest req, StaplerResponse rsp) throws IOException {
if (req.getMethod().equals("GET")) {
// read
rsp.setContentType("text/plain;charset=UTF-8");
rsp.getWriter().write(Util.fixNull(this.getDescription()));
return;
}
if (req.getMethod().equals("POST")) {
checkPermission(CONFIGURE);
// submission
if (req.getParameter("description") != null) {
this.setDescription(req.getParameter("description"));
rsp.sendError(SC_NO_CONTENT);
return;
}
}
// huh?
rsp.sendError(SC_BAD_REQUEST);
}
public void buildWithParameters(StaplerRequest req, StaplerResponse rsp)
throws IOException, ServletException {
List<ParameterValue> values = new ArrayList<ParameterValue>();
for (ParameterDefinition d : this.getParameterDefinitions()) {
ParameterValue value = d.createValue(req);
if (value != null) {
values.add(value);
}
}
CauseAction buildCause = null;
if (owner instanceof InheritanceProject) {
buildCause = ((InheritanceProject) owner).getBuildCauseOverride(req);
} else {
buildCause = new CauseAction(new Cause.UserIdCause());
}
TimeDuration delay =
(req.hasParameter("delay"))
? TimeDuration.fromString(req.getParameter("delay"))
: new TimeDuration(0);
Jenkins.getInstance()
.getQueue()
.schedule(
owner,
(int) delay.as(TimeUnit.SECONDS),
new ParametersAction(values),
buildCause,
new VersioningAction(this.getVersioningMap()));
if (requestWantsJson(req)) {
rsp.setContentType("application/json");
rsp.serveExposedBean(req, owner, Flavor.JSON);
} else {
// send the user back to the job top page.
rsp.sendRedirect(".");
}
}
/**
* Serve a page at this URL.
*
* @param request
* @param response
* @throws IOException
*/
public void doIndex(StaplerRequest request, StaplerResponse response) throws IOException {
int precision = getPrecision(request);
response.setContentType("text/plain;charset=UTF-8");
PrintWriter writer = response.getWriter();
TimestampsReader reader = new TimestampsReader(build);
boolean timestampsFound = false;
while (true) {
List<Timestamp> timestamps = reader.read(1000);
if (timestamps.isEmpty()) {
break;
}
timestampsFound = true;
for (Timestamp timestamp : timestamps) {
writer.write(formatTimestamp(timestamp, precision));
}
}
if (!timestampsFound) {
writeConsoleNotes(writer, precision);
}
writer.flush();
}
/**
* Serves a file from the file system (Maps the URL to a directory in a file system.)
*
* @param icon The icon file name, like "folder-open.gif"
* @param serveDirIndex True to generate the directory index. False to serve "index.html"
* @deprecated as of 1.297 Instead of calling this method explicitly, just return the {@link
* DirectoryBrowserSupport} object from the {@code doXYZ} method and let Stapler generate a
* response for you.
*/
public void serveFile(
StaplerRequest req, StaplerResponse rsp, FilePath root, String icon, boolean serveDirIndex)
throws IOException, ServletException, InterruptedException {
// handle form submission
String pattern = req.getParameter("pattern");
if (pattern == null) pattern = req.getParameter("path"); // compatibility with Hudson<1.129
if (pattern != null) {
rsp.sendRedirect2(pattern);
return;
}
String path = getPath(req);
if (path.replace('\\', '/').indexOf("/../") != -1) {
// don't serve anything other than files in the artifacts dir
rsp.sendError(HttpServletResponse.SC_BAD_REQUEST);
return;
}
// split the path to the base directory portion "abc/def/ghi" which doesn't include any
// wildcard,
// and the GLOB portion "**/*.xml" (the rest)
StringBuilder _base = new StringBuilder();
StringBuilder _rest = new StringBuilder();
int restSize = -1; // number of ".." needed to go back to the 'base' level.
boolean zip = false; // if we are asked to serve a zip file bundle
boolean plain = false; // if asked to serve a plain text directory listing
{
boolean inBase = true;
StringTokenizer pathTokens = new StringTokenizer(path, "/");
while (pathTokens.hasMoreTokens()) {
String pathElement = pathTokens.nextToken();
// Treat * and ? as wildcard unless they match a literal filename
if ((pathElement.contains("?") || pathElement.contains("*"))
&& inBase
&& !(new FilePath(root, (_base.length() > 0 ? _base + "/" : "") + pathElement)
.exists())) inBase = false;
if (pathElement.equals("*zip*")) {
// the expected syntax is foo/bar/*zip*/bar.zip
// the last 'bar.zip' portion is to causes browses to set a good default file name.
// so the 'rest' portion ends here.
zip = true;
break;
}
if (pathElement.equals("*plain*")) {
plain = true;
break;
}
StringBuilder sb = inBase ? _base : _rest;
if (sb.length() > 0) sb.append('/');
sb.append(pathElement);
if (!inBase) restSize++;
}
}
restSize = Math.max(restSize, 0);
String base = _base.toString();
String rest = _rest.toString();
// this is the base file/directory
FilePath baseFile = new FilePath(root, base);
if (baseFile.isDirectory()) {
if (zip) {
rsp.setContentType("application/zip");
baseFile.zip(rsp.getOutputStream(), rest);
return;
}
if (plain) {
rsp.setContentType("text/plain;charset=UTF-8");
OutputStream os = rsp.getOutputStream();
try {
for (String kid : baseFile.act(new SimpleChildList())) {
os.write(kid.getBytes("UTF-8"));
os.write('\n');
}
os.flush();
} finally {
os.close();
}
return;
}
if (rest.length() == 0) {
// if the target page to be displayed is a directory and the path doesn't end with '/',
// redirect
StringBuffer reqUrl = req.getRequestURL();
if (reqUrl.charAt(reqUrl.length() - 1) != '/') {
rsp.sendRedirect2(reqUrl.append('/').toString());
return;
}
}
FileCallable<List<List<Path>>> glob = null;
if (rest.length() > 0) {
// the rest is Ant glob pattern
glob = new PatternScanner(rest, createBackRef(restSize));
} else if (serveDirIndex) {
// serve directory index
glob = new ChildPathBuilder();
}
if (glob != null) {
// serve glob
req.setAttribute("it", this);
List<Path> parentPaths = buildParentPath(base, restSize);
req.setAttribute("parentPath", parentPaths);
req.setAttribute("backPath", createBackRef(restSize));
req.setAttribute("topPath", createBackRef(parentPaths.size() + restSize));
req.setAttribute("files", baseFile.act(glob));
req.setAttribute("icon", icon);
req.setAttribute("path", path);
req.setAttribute("pattern", rest);
req.setAttribute("dir", baseFile);
req.getView(this, "dir.jelly").forward(req, rsp);
return;
}
// convert a directory service request to a single file service request by serving
// 'index.html'
baseFile = baseFile.child(indexFileName);
}
// serve a single file
if (!baseFile.exists()) {
rsp.sendError(HttpServletResponse.SC_NOT_FOUND);
return;
}
boolean view = rest.equals("*view*");
if (rest.equals("*fingerprint*")) {
rsp.forward(Hudson.getInstance().getFingerprint(baseFile.digest()), "/", req);
return;
}
ContentInfo ci = baseFile.act(new ContentInfo());
if (LOGGER.isLoggable(Level.FINE))
LOGGER.fine(
"Serving "
+ baseFile
+ " with lastModified="
+ ci.lastModified
+ ", contentLength="
+ ci.contentLength);
InputStream in = baseFile.read();
if (view) {
// for binary files, provide the file name for download
rsp.setHeader("Content-Disposition", "inline; filename=" + baseFile.getName());
// pseudo file name to let the Stapler set text/plain
rsp.serveFile(req, in, ci.lastModified, -1, ci.contentLength, "plain.txt");
} else {
rsp.serveFile(req, in, ci.lastModified, -1, ci.contentLength, baseFile.getName());
}
}
/** Exposes the bean as XML. */
public void doXml(
StaplerRequest req,
StaplerResponse rsp,
@QueryParameter String xpath,
@QueryParameter String wrapper,
@QueryParameter String tree,
@QueryParameter int depth)
throws IOException, ServletException {
setHeaders(rsp);
String[] excludes = req.getParameterValues("exclude");
if (xpath == null && excludes == null) {
// serve the whole thing
rsp.serveExposedBean(req, bean, Flavor.XML);
return;
}
StringWriter sw = new StringWriter();
// first write to String
Model p = MODEL_BUILDER.get(bean.getClass());
TreePruner pruner = (tree != null) ? new NamedPathPruner(tree) : new ByDepth(1 - depth);
p.writeTo(bean, pruner, Flavor.XML.createDataWriter(bean, sw));
// apply XPath
Object result;
try {
Document dom = new SAXReader().read(new StringReader(sw.toString()));
// apply exclusions
if (excludes != null) {
for (String exclude : excludes) {
List<org.dom4j.Node> list = (List<org.dom4j.Node>) dom.selectNodes(exclude);
for (org.dom4j.Node n : list) {
Element parent = n.getParent();
if (parent != null) parent.remove(n);
}
}
}
if (xpath == null) {
result = dom;
} else {
List list = dom.selectNodes(xpath);
if (wrapper != null) {
Element root = DocumentFactory.getInstance().createElement(wrapper);
for (Object o : list) {
if (o instanceof String) {
root.addText(o.toString());
} else {
root.add(((org.dom4j.Node) o).detach());
}
}
result = root;
} else if (list.isEmpty()) {
rsp.setStatus(HttpServletResponse.SC_NOT_FOUND);
rsp.getWriter().print(Messages.Api_NoXPathMatch(xpath));
return;
} else if (list.size() > 1) {
rsp.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
rsp.getWriter().print(Messages.Api_MultipleMatch(xpath, list.size()));
return;
} else {
result = list.get(0);
}
}
} catch (DocumentException e) {
LOGGER.log(Level.FINER, "Failed to do XPath/wrapper handling. XML is as follows:" + sw, e);
throw new IOException2(
"Failed to do XPath/wrapper handling. Turn on FINER logging to view XML.", e);
}
OutputStream o = rsp.getCompressedOutputStream(req);
try {
if (result instanceof CharacterData
|| result instanceof String
|| result instanceof Number
|| result instanceof Boolean) {
if (INSECURE) {
rsp.setContentType("text/plain;charset=UTF-8");
String text =
result instanceof CharacterData
? ((CharacterData) result).getText()
: result.toString();
o.write(text.getBytes("UTF-8"));
} else {
rsp.sendError(
HttpURLConnection.HTTP_FORBIDDEN,
"primitive XPath result sets forbidden; can use -Dhudson.model.Api.INSECURE=true if you run without security");
}
return;
}
// otherwise XML
rsp.setContentType("application/xml;charset=UTF-8");
new XMLWriter(o).write(result);
} finally {
o.close();
}
}
/** Sends out an arbitrary HTML fragment. */
public void respond(String html) throws IOException, ServletException {
response.setContentType("text/html");
response.getWriter().print(html);
}
protected void setContentType(StaplerResponse rsp) {
rsp.setContentType("text/plain;charset=UTF-8");
}
public void generateResponse(StaplerRequest req, StaplerResponse rsp, Object node)
throws IOException, ServletException {
rsp.setContentType("text/plain");
rsp.getWriter().print(msg.keyValueFormEncoding());
}