@Restricted(DoNotUse.class) // accessed via REST API
public HttpResponse doGenerateSnippet(StaplerRequest req, @QueryParameter String json)
throws Exception {
// TODO JENKINS-31458 is there not an easier way to do this?
JSONObject jsonO = JSONObject.fromObject(json);
Jenkins j = Jenkins.getActiveInstance();
Class<?> c = j.getPluginManager().uberClassLoader.loadClass(jsonO.getString("stapler-class"));
StepDescriptor descriptor = (StepDescriptor) j.getDescriptor(c.asSubclass(Step.class));
Object o;
try {
o = descriptor.newInstance(req, jsonO);
} catch (RuntimeException x) { // e.g. IllegalArgumentException
return HttpResponses.plainText(Functions.printThrowable(x));
}
try {
String groovy = object2Groovy(o);
if (descriptor.isAdvanced()) {
String warning = Messages.Snippetizer_this_step_should_not_normally_be_used_in();
groovy = "// " + warning + "\n" + groovy;
}
return HttpResponses.plainText(groovy);
} catch (UnsupportedOperationException x) {
Logger.getLogger(CpsFlowExecution.class.getName())
.log(Level.WARNING, "failed to render " + json, x);
return HttpResponses.plainText(x.getMessage());
}
}
@Override
public Builder newInstance(StaplerRequest req, JSONObject formData) throws FormException {
// TODO f:dropdownDescriptorSelector does not seem to work sensibly: the super method uses
// RequestImpl.bindJSON and ignores any StepDescriptor.newInstance override.
// Cf. Snippetizer.doGenerateSnippet, which also seems to lack a standard way of parsing
// part of a form using databinding.
JSONObject s = formData.getJSONObject("s");
Jenkins j = Jenkins.getActiveInstance();
Class<?> c;
try {
c = j.getPluginManager().uberClassLoader.loadClass(s.getString("stapler-class"));
} catch (ClassNotFoundException x) {
throw new FormException(x, "s");
}
Descriptor<?> descriptor = j.getDescriptor(c.asSubclass(Step.class));
return new StepBuilder((Step) descriptor.newInstance(req, s));
}
private String obtainClassOwnership() {
if (this.classOwnership != null) {
return this.classOwnership;
}
if (pm == null) {
Jenkins j = Jenkins.getInstance();
if (j != null) {
pm = j.getPluginManager();
}
}
if (pm == null) {
return null;
}
// TODO: possibly recursively scan super class to discover dependencies
PluginWrapper p = pm.whichPlugin(hudson.plugins.promoted_builds.PromotionProcess.class);
this.classOwnership = p != null ? p.getShortName() + '@' + trimVersion(p.getVersion()) : null;
return this.classOwnership;
}
static {
// register option handlers that are defined
ClassLoaders cls = new ClassLoaders();
Jenkins j = Jenkins.getInstance();
if (j != null) { // only when running on the master
cls.put(j.getPluginManager().uberClassLoader);
ResourceNameIterator servicesIter =
new DiscoverServiceNames(cls).findResourceNames(OptionHandler.class.getName());
final ResourceClassIterator itr = new DiscoverClasses(cls).findResourceClasses(servicesIter);
while (itr.hasNext()) {
Class h = itr.nextResourceClass().loadClass();
Class c =
Types.erasure(Types.getTypeArgument(Types.getBaseClass(h, OptionHandler.class), 0));
CmdLineParser.registerHandler(c, h);
}
}
}
/** Gets the encrypted usage stat data to be sent to the Hudson server. */
public String getStatData() throws IOException {
Jenkins j = Jenkins.getInstance();
JSONObject o = new JSONObject();
o.put("stat", 1);
o.put("install", j.getLegacyInstanceId());
o.put("servletContainer", j.servletContext.getServerInfo());
o.put("version", Jenkins.VERSION);
List<JSONObject> nodes = new ArrayList<JSONObject>();
for (Computer c : j.getComputers()) {
JSONObject n = new JSONObject();
if (c.getNode() == j) {
n.put("master", true);
n.put("jvm-vendor", System.getProperty("java.vm.vendor"));
n.put("jvm-name", System.getProperty("java.vm.name"));
n.put("jvm-version", System.getProperty("java.version"));
}
n.put("executors", c.getNumExecutors());
DescriptorImpl descriptor = j.getDescriptorByType(DescriptorImpl.class);
n.put("os", descriptor.get(c));
nodes.add(n);
}
o.put("nodes", nodes);
List<JSONObject> plugins = new ArrayList<JSONObject>();
for (PluginWrapper pw : j.getPluginManager().getPlugins()) {
if (!pw.isActive()) continue; // treat disabled plugins as if they are uninstalled
JSONObject p = new JSONObject();
p.put("name", pw.getShortName());
p.put("version", pw.getVersion());
plugins.add(p);
}
o.put("plugins", plugins);
JSONObject jobs = new JSONObject();
List<TopLevelItem> items = j.getAllItems(TopLevelItem.class);
for (TopLevelItemDescriptor d : Items.all()) {
int cnt = 0;
for (TopLevelItem item : items) {
if (item.getDescriptor() == d) cnt++;
}
jobs.put(d.getJsonSafeClassName(), cnt);
}
o.put("jobs", jobs);
try {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
// json -> UTF-8 encode -> gzip -> encrypt -> base64 -> string
OutputStreamWriter w =
new OutputStreamWriter(
new GZIPOutputStream(new CombinedCipherOutputStream(baos, getKey(), "AES")), "UTF-8");
try {
o.write(w);
} finally {
IOUtils.closeQuietly(w);
}
return new String(Base64.encode(baos.toByteArray()));
} catch (GeneralSecurityException e) {
throw new Error(e); // impossible
}
}