jenkins/core/src/main/java/hudson/Functions.java

2662 lines
97 KiB
Java

/*
* The MIT License
*
* Copyright (c) 2004-2010, Sun Microsystems, Inc., Kohsuke Kawaguchi,
* Yahoo! Inc., Stephen Connolly, Tom Huybrechts, Alan Harder, Manufacture
* Francaise des Pneumatiques Michelin, Romain Seguy
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson;
import edu.umd.cs.findbugs.annotations.CheckForNull;
import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import hudson.cli.CLICommand;
import hudson.console.ConsoleAnnotationDescriptor;
import hudson.console.ConsoleAnnotatorFactory;
import hudson.init.InitMilestone;
import hudson.model.AbstractProject;
import hudson.model.Action;
import hudson.model.Actionable;
import hudson.model.Computer;
import hudson.model.Describable;
import hudson.model.Descriptor;
import hudson.model.DescriptorVisibilityFilter;
import hudson.model.Item;
import hudson.model.ItemGroup;
import hudson.model.Items;
import hudson.model.JDK;
import hudson.model.Job;
import hudson.model.JobPropertyDescriptor;
import hudson.model.ModelObject;
import hudson.model.Node;
import hudson.model.PageDecorator;
import hudson.model.PaneStatusProperties;
import hudson.model.ParameterDefinition;
import hudson.model.ParameterDefinition.ParameterDescriptor;
import hudson.model.PasswordParameterDefinition;
import hudson.model.RootAction;
import hudson.model.Run;
import hudson.model.Slave;
import hudson.model.TimeZoneProperty;
import hudson.model.TopLevelItem;
import hudson.model.User;
import hudson.model.View;
import hudson.scm.SCM;
import hudson.scm.SCMDescriptor;
import hudson.search.SearchFactory;
import hudson.search.SearchableModelObject;
import hudson.security.ACL;
import hudson.security.AccessControlled;
import hudson.security.AuthorizationStrategy;
import hudson.security.GlobalSecurityConfiguration;
import hudson.security.Permission;
import hudson.security.SecurityRealm;
import hudson.security.captcha.CaptchaSupport;
import hudson.security.csrf.CrumbIssuer;
import hudson.slaves.Cloud;
import hudson.slaves.ComputerLauncher;
import hudson.slaves.JNLPLauncher;
import hudson.slaves.NodeProperty;
import hudson.slaves.NodePropertyDescriptor;
import hudson.slaves.RetentionStrategy;
import hudson.tasks.BuildStepDescriptor;
import hudson.tasks.BuildWrapper;
import hudson.tasks.BuildWrappers;
import hudson.tasks.Builder;
import hudson.tasks.Publisher;
import hudson.tasks.UserAvatarResolver;
import hudson.util.Area;
import hudson.util.FormValidation.CheckMethod;
import hudson.util.HudsonIsLoading;
import hudson.util.HudsonIsRestarting;
import hudson.util.Iterators;
import hudson.util.RunList;
import hudson.util.Secret;
import hudson.util.jna.GNUCLibrary;
import hudson.views.MyViewsTabBar;
import hudson.views.ViewsTabBar;
import hudson.widgets.RenderOnDemandClosure;
import io.jenkins.servlet.http.CookieWrapper;
import io.jenkins.servlet.http.HttpServletRequestWrapper;
import io.jenkins.servlet.http.HttpServletResponseWrapper;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.io.PrintWriter;
import java.io.Serializable;
import java.io.StringWriter;
import java.lang.management.LockInfo;
import java.lang.management.ManagementFactory;
import java.lang.management.MonitorInfo;
import java.lang.management.ThreadInfo;
import java.lang.management.ThreadMXBean;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.text.MessageFormat;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.ConcurrentModificationException;
import java.util.Date;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.SortedMap;
import java.util.TimeZone;
import java.util.TreeMap;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.Predicate;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import java.util.logging.SimpleFormatter;
import java.util.regex.Pattern;
import java.util.stream.Collectors;
import jenkins.console.ConsoleUrlProvider;
import jenkins.console.DefaultConsoleUrlProvider;
import jenkins.console.WithConsoleUrl;
import jenkins.model.GlobalConfiguration;
import jenkins.model.GlobalConfigurationCategory;
import jenkins.model.Jenkins;
import jenkins.model.ModelObjectWithChildren;
import jenkins.model.ModelObjectWithContextMenu;
import jenkins.model.SimplePageDecorator;
import jenkins.model.details.Detail;
import jenkins.model.details.DetailFactory;
import jenkins.model.details.DetailGroup;
import jenkins.util.SystemProperties;
import org.apache.commons.jelly.JellyContext;
import org.apache.commons.jelly.JellyTagException;
import org.apache.commons.jelly.Script;
import org.apache.commons.jelly.XMLOutput;
import org.apache.commons.jexl.parser.ASTSizeFunction;
import org.apache.commons.jexl.util.Introspector;
import org.jenkins.ui.icon.Icon;
import org.jenkins.ui.icon.IconSet;
import org.jvnet.tiger_types.Types;
import org.kohsuke.accmod.Restricted;
import org.kohsuke.accmod.restrictions.DoNotUse;
import org.kohsuke.accmod.restrictions.NoExternalUse;
import org.kohsuke.stapler.Ancestor;
import org.kohsuke.stapler.RawHtmlArgument;
import org.kohsuke.stapler.Stapler;
import org.kohsuke.stapler.StaplerRequest;
import org.kohsuke.stapler.StaplerRequest2;
import org.springframework.security.access.AccessDeniedException;
/**
* Utility functions used in views.
*
* <p>
* An instance of this class is created for each request and made accessible
* from view pages via the variable 'h' (h stands for Hudson.)
*
* @author Kohsuke Kawaguchi
*/
@SuppressWarnings("rawtypes")
public class Functions {
private static final AtomicLong iota = new AtomicLong();
private static Logger LOGGER = Logger.getLogger(Functions.class.getName());
public Functions() {
}
/**
* Generates an unique ID.
*/
public String generateId() {
return "id" + iota.getAndIncrement();
}
public static boolean isModel(Object o) {
return o instanceof ModelObject;
}
public static boolean isModelWithContextMenu(Object o) {
return o instanceof ModelObjectWithContextMenu;
}
public static boolean isModelWithChildren(Object o) {
return o instanceof ModelObjectWithChildren;
}
@Deprecated
public static boolean isMatrixProject(Object o) {
return o != null && o.getClass().getName().equals("hudson.matrix.MatrixProject");
}
public static String xsDate(Calendar cal) {
return Util.XS_DATETIME_FORMATTER2.format(cal.toInstant());
}
@Restricted(NoExternalUse.class)
public static String iso8601DateTime(Date date) {
return Util.XS_DATETIME_FORMATTER2.format(date.toInstant());
}
/**
* Returns a localized string for the specified date, not including time.
*/
@Restricted(NoExternalUse.class)
public static String localDate(Date date) {
return DateFormat.getDateInstance(DateFormat.SHORT).format(date);
}
public static String rfc822Date(Calendar cal) {
return DateTimeFormatter.RFC_1123_DATE_TIME.format(ZonedDateTime.ofInstant(cal.toInstant(), ZoneId.systemDefault()));
}
/**
* Returns a human-readable string describing the time difference between now and the specified date.
*/
@Restricted(NoExternalUse.class)
public static String getTimeSpanString(Date date) {
return Util.getTimeSpanString(Math.abs(date.getTime() - new Date().getTime()));
}
/**
* During Jenkins start-up, before {@link InitMilestone#PLUGINS_STARTED} the extensions lists will be empty
* and they are not guaranteed to be fully populated until after {@link InitMilestone#EXTENSIONS_AUGMENTED},
* similarly, during termination after {@link Jenkins#isTerminating()} is set, it is no longer safe to access
* the extensions lists.
* If you attempt to access the extensions list from a UI thread while the extensions are being loaded you will
* hit a big honking great monitor lock that will block until the effective extension list has been determined
* (as if a plugin fails to start, all of the failed plugin's extensions and any dependent plugins' extensions
* will have to be evicted from the list of extensions. In practical terms this only affects the
* "Jenkins is loading" screen, but as that screen uses the generic layouts we provide this utility method
* so that the generic layouts can avoid iterating extension lists while Jenkins is starting up.
* If you attempt to access the extensions list from a UI thread while Jenkins is being shut down, the extensions
* themselves may no longer be in a valid state and could attempt to revive themselves and block termination.
* In actual terms the termination only affects those views required to render {@link HudsonIsRestarting}'s
* {@code index.jelly} which is the same set as the {@link HudsonIsLoading} pages so it makes sense to
* use both checks here.
*
* @return {@code true} if the extensions lists have been populated.
* @since 1.607
*/
public static boolean isExtensionsAvailable() {
final Jenkins jenkins = Jenkins.getInstanceOrNull();
return jenkins != null && jenkins.getInitLevel().compareTo(InitMilestone.EXTENSIONS_AUGMENTED) >= 0
&& !jenkins.isTerminating();
}
public static void initPageVariables(JellyContext context) {
StaplerRequest2 currentRequest = Stapler.getCurrentRequest2();
currentRequest.getWebApp().getDispatchValidator().allowDispatch(currentRequest, Stapler.getCurrentResponse2());
String rootURL = currentRequest.getContextPath();
Functions h = new Functions();
context.setVariable("h", h);
// The path starts with a "/" character but does not end with a "/" character.
context.setVariable("rootURL", rootURL);
/*
load static resources from the path dedicated to a specific version.
This "/static/VERSION/abc/def.ghi" path is interpreted by stapler to be
the same thing as "/abc/def.ghi", but this avoids the stale cache
problem when the user upgrades to new Jenkins. Stapler also sets a long
future expiration dates for such static resources.
see https://wiki.jenkins-ci.org/display/JENKINS/Hyperlinks+in+HTML
*/
context.setVariable("resURL", rootURL + getResourcePath());
context.setVariable("imagesURL", rootURL + getResourcePath() + "/images");
context.setVariable("divBasedFormLayout", true);
context.setVariable("userAgent", currentRequest.getHeader("User-Agent"));
IconSet.initPageVariables(context);
}
/**
* Given {@code c=MyList (extends ArrayList<Foo>), base=List}, compute the parameterization of 'base'
* that's assignable from 'c' (in this case {@code List<Foo>}), and return its n-th type parameter
* (n=0 would return {@code Foo}).
*
* <p>
* This method is useful for doing type arithmetic.
*
* @throws AssertionError
* if c' is not parameterized.
*/
public static <B> Class getTypeParameter(Class<? extends B> c, Class<B> base, int n) {
Type parameterization = Types.getBaseClass(c, base);
if (parameterization instanceof ParameterizedType pt) {
return Types.erasure(Types.getTypeArgument(pt, n));
} else {
throw new AssertionError(c + " doesn't properly parameterize " + base);
}
}
public JDK.DescriptorImpl getJDKDescriptor() {
return Jenkins.get().getDescriptorByType(JDK.DescriptorImpl.class);
}
/**
* Prints the integer as a string that represents difference,
* like "-5", "+/-0", "+3".
*/
public static String getDiffString(int i) {
if (i == 0) return "±0";
String s = Integer.toString(i);
if (i > 0) return "+" + s;
else return s;
}
/**
* {@link #getDiffString(int)} that doesn't show anything for +/-0
*/
public static String getDiffString2(int i) {
if (i == 0) return "";
String s = Integer.toString(i);
if (i > 0) return "+" + s;
else return s;
}
/**
* {@link #getDiffString2(int)} that puts the result into prefix and suffix
* if there's something to print
*/
public static String getDiffString2(String prefix, int i, String suffix) {
if (i == 0) return "";
String s = Integer.toString(i);
if (i > 0) return prefix + "+" + s + suffix;
else return prefix + s + suffix;
}
/**
* Adds the proper suffix.
*/
public static String addSuffix(int n, String singular, String plural) {
StringBuilder buf = new StringBuilder();
buf.append(n).append(' ');
if (n == 1)
buf.append(singular);
else
buf.append(plural);
return buf.toString();
}
/**
* @since 2.475
*/
public static RunUrl decompose(StaplerRequest2 req) {
List<Ancestor> ancestors = req.getAncestors();
// find the first and last Run instances
Ancestor f = null, l = null;
for (Ancestor anc : ancestors) {
if (anc.getObject() instanceof Run) {
if (f == null) f = anc;
l = anc;
}
}
if (l == null) return null; // there was no Run object
String head = f.getPrev().getUrl() + '/';
String base = l.getUrl();
String reqUri = req.getOriginalRequestURI();
// Find "rest" or URI by removing N path components.
// Not using reqUri.substring(f.getUrl().length()) to avoid mismatches due to
// url-encoding or extra slashes. Former may occur in Tomcat (despite the spec saying
// this string is not decoded, Tomcat apparently decodes this string. You see ' '
// instead of '%20', which is what the browser has sent), latter may occur in some
// proxy or URL-rewriting setups where extra slashes are inadvertently added.
String furl = f.getUrl();
int slashCount = 0;
// Count components in ancestor URL
for (int i = furl.indexOf('/'); i >= 0; i = furl.indexOf('/', i + 1)) slashCount++;
// Remove that many from request URL, ignoring extra slashes
String rest = reqUri.replaceFirst("(?:/+[^/]*){" + slashCount + "}", "");
return new RunUrl((Run) f.getObject(), head, base, rest);
}
/**
* @deprecated use {@link #decompose(StaplerRequest2)}
*/
@Deprecated
public static RunUrl decompose(StaplerRequest req) {
return decompose(StaplerRequest.toStaplerRequest2(req));
}
/**
* If we know the user's screen resolution, return it. Otherwise null.
* @since 1.213
*/
public static Area getScreenResolution() {
Cookie res = Functions.getCookie(Stapler.getCurrentRequest2(), "screenResolution");
if (res != null)
return Area.parse(res.getValue());
return null;
}
@Restricted(NoExternalUse.class)
public static boolean useHidingPasswordFields() {
return SystemProperties.getBoolean(Functions.class.getName() + ".hidingPasswordFields", true);
}
/**
* URL decomposed for easier computation of relevant URLs.
*
* <p>
* The decomposed URL will be of the form:
* <pre>
* aaaaaa/524/bbbbb/cccc
* -head-| N |---rest---
* ----- base -----|
* </pre>
*
* <p>
* The head portion is the part of the URL from the {@link Jenkins}
* object to the first {@link Run} subtype. When "next/prev build"
* is chosen, this part remains intact.
*
* <p>
* The {@code 524} is the path from {@link Job} to {@link Run}.
*
* <p>
* The {@code bbb} portion is the path after that till the last
* {@link Run} subtype. The {@code ccc} portion is the part
* after that.
*/
public static final class RunUrl {
private final String head, base, rest;
private final Run run;
public RunUrl(Run run, String head, String base, String rest) {
this.run = run;
this.head = head;
this.base = base;
this.rest = rest;
}
public String getBaseUrl() {
return base;
}
/**
* Returns the same page in the next build.
*/
public String getNextBuildUrl() {
return getUrl(run.getNextBuild());
}
/**
* Returns the same page in the previous build.
*/
public String getPreviousBuildUrl() {
return getUrl(run.getPreviousBuild());
}
private String getUrl(Run n) {
if (n == null)
return null;
else {
return head + n.getNumber() + rest;
}
}
}
public static Node.Mode[] getNodeModes() {
return Node.Mode.values();
}
public static String getProjectListString(List<AbstractProject> projects) {
return Items.toNameList(projects);
}
/**
* @deprecated as of 1.294
* JEXL now supports the real ternary operator "x?y:z", so this work around
* is no longer necessary.
*/
@Deprecated
public static Object ifThenElse(boolean cond, Object thenValue, Object elseValue) {
return cond ? thenValue : elseValue;
}
public static String appendIfNotNull(String text, String suffix, String nullText) {
return text == null ? nullText : text + suffix;
}
public static Map getSystemProperties() {
return new TreeMap<>(System.getProperties());
}
/**
* Gets the system property indicated by the specified key.
*
* Delegates to {@link SystemProperties#getString(String)}.
*/
@Restricted(DoNotUse.class)
public static String getSystemProperty(String key) {
return SystemProperties.getString(key);
}
public static Map getEnvVars() {
return new TreeMap<>(EnvVars.masterEnvVars);
}
public static boolean isWindows() {
return File.pathSeparatorChar == ';';
}
public static boolean isGlibcSupported() {
try {
GNUCLibrary.LIBC.getpid();
return true;
} catch (Throwable t) {
return false;
}
}
public static List<LogRecord> getLogRecords() {
return Jenkins.logRecords;
}
public static String printLogRecord(LogRecord r) {
return formatter.format(r);
}
@Restricted(NoExternalUse.class)
public static String[] printLogRecordHtml(LogRecord r, LogRecord prior) {
String[] oldParts = prior == null ? new String[4] : logRecordPreformat(prior);
String[] newParts = logRecordPreformat(r);
for (int i = 0; i < /* not 4 */3; i++) {
newParts[i] = "<span class='" + (newParts[i].equals(oldParts[i]) ? "logrecord-metadata-old" : "logrecord-metadata-new") + "'>" + newParts[i] + "</span>";
}
newParts[3] = Util.xmlEscape(newParts[3]);
return newParts;
}
/**
* Partially formats a log record.
* @return date, source, level, message+thrown
* @see SimpleFormatter#format(LogRecord)
*/
private static String[] logRecordPreformat(LogRecord r) {
String source;
if (r.getSourceClassName() == null) {
source = r.getLoggerName() == null ? "" : r.getLoggerName();
} else {
if (r.getSourceMethodName() == null) {
source = r.getSourceClassName();
} else {
source = r.getSourceClassName() + " " + r.getSourceMethodName();
}
}
String message = new SimpleFormatter().formatMessage(r) + "\n";
Throwable x = r.getThrown();
return new String[] {
String.format("%1$tb %1$td, %1$tY %1$tl:%1$tM:%1$tS %1$Tp", new Date(r.getMillis())),
source,
r.getLevel().getLocalizedName(),
x == null ? message : message + printThrowable(x) + "\n",
};
}
/**
* Reverses a collection so that it can be easily walked in reverse order.
* @since 1.525
*/
public static <T> Iterable<T> reverse(Collection<T> collection) {
List<T> list = new ArrayList<>(collection);
Collections.reverse(list);
return list;
}
/**
* @since 2.475
*/
public static Cookie getCookie(HttpServletRequest req, String name) {
Cookie[] cookies = req.getCookies();
if (cookies != null) {
for (Cookie cookie : cookies) {
if (cookie.getName().equals(name)) {
return cookie;
}
}
}
return null;
}
/**
* @deprecated use {@link #getCookie(HttpServletRequest, String)}
*/
@Deprecated
public static javax.servlet.http.Cookie getCookie(javax.servlet.http.HttpServletRequest req, String name) {
return CookieWrapper.fromJakartaServletHttpCookie(getCookie(HttpServletRequestWrapper.toJakartaHttpServletRequest(req), name));
}
/**
* @since 2.475
*/
public static String getCookie(HttpServletRequest req, String name, String defaultValue) {
Cookie c = getCookie(req, name);
if (c == null || c.getValue() == null) return defaultValue;
return c.getValue();
}
/**
* @deprecated use {@link #getCookie(HttpServletRequest, String, String)}
*/
@Deprecated
public static String getCookie(javax.servlet.http.HttpServletRequest req, String name, String defaultValue) {
return getCookie(HttpServletRequestWrapper.toJakartaHttpServletRequest(req), name, defaultValue);
}
private static final Pattern ICON_SIZE = Pattern.compile("\\d+x\\d+");
@Restricted(NoExternalUse.class)
public static String validateIconSize(String iconSize) throws SecurityException {
if (!ICON_SIZE.matcher(iconSize).matches()) {
throw new SecurityException("invalid iconSize");
}
return iconSize;
}
/**
* No longer used, to be removed after enough plugins have adopted a version of the test harness with
* <a href="https://github.com/jenkinsci/jenkins-test-harness/pull/874">jenkins-test-harness/pull/874</a> in it.
*
* @deprecated removed without replacement
*/
@SuppressFBWarnings(value = "MS_SHOULD_BE_FINAL", justification = "for script console")
@Deprecated(forRemoval = true, since = "TODO")
public static boolean DEBUG_YUI;
/**
* Creates a sub map by using the given range (both ends inclusive).
*/
public static <V> SortedMap<Integer, V> filter(SortedMap<Integer, V> map, String from, String to) {
if (from == null && to == null) return map;
if (to == null)
return map.headMap(Integer.parseInt(from) - 1);
if (from == null)
return map.tailMap(Integer.parseInt(to));
return map.subMap(Integer.parseInt(to), Integer.parseInt(from) - 1);
}
/**
* Creates a sub map by using the given range (upper end inclusive).
*/
@Restricted(NoExternalUse.class)
public static <V> SortedMap<Integer, V> filterExcludingFrom(SortedMap<Integer, V> map, String from, String to) {
if (from == null && to == null) return map;
if (to == null)
return map.headMap(Integer.parseInt(from));
if (from == null)
return map.tailMap(Integer.parseInt(to));
return map.subMap(Integer.parseInt(to), Integer.parseInt(from));
}
private static final SimpleFormatter formatter = new SimpleFormatter();
/**
* No longer used.
*
* @deprecated auto refresh has been removed
*/
@Deprecated
public static void configureAutoRefresh(HttpServletRequest request, HttpServletResponse response, boolean noAutoRefresh) {
/* feature has been removed */
}
@Deprecated
public static boolean isAutoRefresh(HttpServletRequest request) {
return false;
}
public static boolean isCollapsed(String paneId) {
return PaneStatusProperties.forCurrentUser().isCollapsed(paneId);
}
@Restricted(NoExternalUse.class)
public static boolean isUserTimeZoneOverride() {
return TimeZoneProperty.forCurrentUser() != null;
}
@CheckForNull
@Restricted(NoExternalUse.class)
public static String getUserTimeZone() {
return TimeZoneProperty.forCurrentUser();
}
@Restricted(NoExternalUse.class)
public static String getUserTimeZonePostfix(Date date) {
if (!isUserTimeZoneOverride()) {
return "";
}
TimeZone tz = TimeZone.getTimeZone(getUserTimeZone());
return tz.getDisplayName(tz.inDaylightTime(date), TimeZone.SHORT, getCurrentLocale());
}
@Restricted(NoExternalUse.class)
public static long getHourLocalTimezone() {
// Work around JENKINS-68215. When JENKINS-68215 is resolved, this logic can be moved back to Jelly.
TimeZone tz = TimeZone.getDefault();
return TimeUnit.MILLISECONDS.toHours(tz.getRawOffset() + tz.getDSTSavings());
}
/**
* Finds the given object in the ancestor list and returns its URL.
* This is used to determine the "current" URL assigned to the given object,
* so that one can compute relative URLs from it.
*
* @since 2.475
*/
public static String getNearestAncestorUrl(StaplerRequest2 req, Object it) {
List list = req.getAncestors();
for (int i = list.size() - 1; i >= 0; i--) {
Ancestor anc = (Ancestor) list.get(i);
if (anc.getObject() == it)
return anc.getUrl();
}
return null;
}
/**
* @deprecated use {@link #getNearestAncestorUrl(StaplerRequest2, Object)}
*/
@Deprecated
public static String getNearestAncestorUrl(StaplerRequest req, Object it) {
return getNearestAncestorUrl(StaplerRequest.toStaplerRequest2(req), it);
}
/**
* Finds the inner-most {@link SearchableModelObject} in scope.
*/
public static String getSearchURL() {
List list = Stapler.getCurrentRequest2().getAncestors();
for (int i = list.size() - 1; i >= 0; i--) {
Ancestor anc = (Ancestor) list.get(i);
if (anc.getObject() instanceof SearchableModelObject)
return anc.getUrl() + "/search/";
}
return null;
}
public static String appendSpaceIfNotNull(String n) {
if (n == null) return null;
else return n + ' ';
}
/**
* One nbsp per 10 pixels in given size, which may be a plain number or "NxN"
* (like an iconSize). Useful in a sortable table heading.
*/
public static String nbspIndent(String size) {
int i = size.indexOf('x');
i = Integer.parseInt(i > 0 ? size.substring(0, i) : size) / 10;
return "&nbsp;".repeat(Math.max(0, i - 1));
}
public static String getWin32ErrorMessage(IOException e) {
return Util.getWin32ErrorMessage(e);
}
public static boolean isMultiline(String s) {
if (s == null) return false;
return s.indexOf('\r') >= 0 || s.indexOf('\n') >= 0;
}
/**
* Percent-encodes space and non-ASCII UTF-8 characters for use in URLs.
* <pre>
* Input example 1: !"£$%^&amp;*()_+}{:@~?&gt;&lt;|¬`,./;'#[]- =
* Output example 1: !"%C2%A3$%^&amp;*()_+}{:@~?&gt;&lt;|%C2%AC`,./;'#[]-%20=
* </pre>
* Notes:
* <ul>
* <li>a blank space will render as %20</li>
* <li>this methods only escapes non-ASCII but leaves other URL-unsafe characters, such as '#'</li>
* <li>{@link hudson.Util#rawEncode(String)} in the {@link hudson.Util} library should generally be used instead (do check the documentation for that method)</li>
* </ul>
*/
public static String encode(String s) {
return Util.encode(s);
}
/**
* Shortcut function for calling {@link URLEncoder#encode(String,String)} (with UTF-8 encoding).<br>
* Useful for encoding URL query parameters in jelly code (as in {@code "...?param=${h.urlEncode(something)}"}).<br>
* For convenience in jelly code, it also accepts null parameter, and then returns an empty string.
* <pre>
* Input example 1: &amp; " ' &lt; &gt;
* Output example 1: %26+%22+%27+%3C+%3E
* Input example 2: !"£$%^&amp;*()_+}{:@~?&gt;&lt;|¬`,./;'#[]-=
* Output example 2: %21%22%C2%A3%24%25%5E%26*%28%29_%2B%7D%7B%3A%40%7E%3F%3E%3C%7C%C2%AC%60%2C.%2F%3B%27%23%5B%5D-%3D
* </pre>
* Note: A blank space will render as + (You can see this in above examples)
*
* @since 2.200
*/
public static String urlEncode(String s) {
if (s == null) {
return "";
}
return URLEncoder.encode(s, StandardCharsets.UTF_8);
}
/**
* Transforms the input string so it renders as written in HTML output: newlines are converted to HTML line breaks, consecutive spaces are retained as {@code &amp;nbsp;}, and HTML metacharacters are escaped.
* <pre>
* Input example 1: &amp; " ' &lt; &gt;
* Output example 1: &amp;amp; &amp;quot; &amp;#039; &amp;lt; &amp;gt;
* Input example 2: !"£$%^&amp;*()_+}{:@~?&gt;&lt;|¬`,./;'#[]-=
* Output example 2: !&amp;quot;£$%^&amp;amp;*()_+}{:@~?&amp;gt;&amp;lt;|¬`,./;&amp;#039;#[]-=
* </pre>
* @see #xmlEscape
* @see hudson.Util#escape
*/
public static String escape(String s) {
return Util.escape(s);
}
/**
* Escapes XML unsafe characters
* <pre>
* Input example 1: &lt; &gt; &amp;
* Output example 1: &amp;lt; &amp;gt; &amp;amp;
* Input example 2: !"£$%^&amp;*()_+}{:@~?&gt;&lt;|¬`,./;'#[]-=
* Output example 2: !"£$%^&amp;amp;*()_+}{:@~?&amp;gt;&amp;lt;|¬`,./;'#[]-=
* </pre>
* @see hudson.Util#xmlEscape
*/
public static String xmlEscape(String s) {
return Util.xmlEscape(s);
}
public static String xmlUnescape(String s) {
return s.replace("&lt;", "<").replace("&gt;", ">").replace("&amp;", "&");
}
/**
* Escapes a string so it can be used in an HTML attribute value.
* <pre>
* Input example 1: &amp; " ' &lt; &gt;
* Output example 1: &amp;amp; &amp;quot; &amp;#39; &amp;lt; &amp;gt;
* Input example 2: !"£$%^&amp;*()_+}{:@~?&gt;&lt;|¬`,./;'#[]-=
* Output example 2: !&amp;quot;£$%^&amp;amp;*()_+}{:@~?&amp;gt;&amp;lt;|¬`,./;&amp;#39;#[]-=
* </pre>
* Note: 2 consecutive blank spaces will not render any special chars.
*/
public static String htmlAttributeEscape(String text) {
StringBuilder buf = new StringBuilder(text.length() + 64);
for (int i = 0; i < text.length(); i++) {
char ch = text.charAt(i);
if (ch == '<')
buf.append("&lt;");
else
if (ch == '>')
buf.append("&gt;");
else
if (ch == '&')
buf.append("&amp;");
else
if (ch == '"')
buf.append("&quot;");
else
if (ch == '\'')
buf.append("&#39;");
else
buf.append(ch);
}
return buf.toString();
}
public static void checkPermission(Permission permission) {
checkPermission(Jenkins.get(), permission);
}
public static void checkPermission(AccessControlled object, Permission permission) {
if (permission != null) {
object.checkPermission(permission);
}
}
/**
* This version is so that the 'checkPermission' on {@code layout.jelly}
* degrades gracefully if "it" is not an {@link AccessControlled} object.
* Otherwise it will perform no check and that problem is hard to notice.
*/
public static void checkPermission(Object object, Permission permission) {
if (permission == null)
return;
if (object instanceof AccessControlled)
checkPermission((AccessControlled) object, permission);
else {
List<Ancestor> ancs = Stapler.getCurrentRequest2().getAncestors();
for (Ancestor anc : Iterators.reverse(ancs)) {
Object o = anc.getObject();
if (o instanceof AccessControlled) {
checkPermission((AccessControlled) o, permission);
return;
}
}
checkPermission(Jenkins.get(), permission);
}
}
/**
* Returns true if the current user has the given permission.
*
* @param permission
* If null, returns true. This defaulting is convenient in making the use of this method terse.
*/
public static boolean hasPermission(Permission permission) {
return hasPermission(Jenkins.get(), permission);
}
/**
* This version is so that the 'hasPermission' can degrade gracefully
* if "it" is not an {@link AccessControlled} object.
*/
public static boolean hasPermission(Object object, Permission permission) {
if (permission == null)
return true;
if (object instanceof AccessControlled)
return ((AccessControlled) object).hasPermission(permission);
else {
List<Ancestor> ancs = Stapler.getCurrentRequest2().getAncestors();
for (Ancestor anc : Iterators.reverse(ancs)) {
Object o = anc.getObject();
if (o instanceof AccessControlled) {
return ((AccessControlled) o).hasPermission(permission);
}
}
return Jenkins.get().hasPermission(permission);
}
}
/**
* Infers the hudson installation URL from the given request.
*
* @since 2.475
*/
public static String inferHudsonURL(StaplerRequest2 req) {
String rootUrl = Jenkins.get().getRootUrl();
if (rootUrl != null)
// prefer the one explicitly configured, to work with load-balancer, frontend, etc.
return rootUrl;
StringBuilder buf = new StringBuilder();
buf.append(req.getScheme()).append("://");
buf.append(req.getServerName());
if (! (req.getScheme().equals("http") && req.getLocalPort() == 80 || req.getScheme().equals("https") && req.getLocalPort() == 443))
buf.append(':').append(req.getLocalPort());
buf.append(req.getContextPath()).append('/');
return buf.toString();
}
/**
* @deprecated use {@link #inferHudsonURL(StaplerRequest2)}
*/
@Deprecated
public static String inferHudsonURL(StaplerRequest req) {
return inferHudsonURL(StaplerRequest.toStaplerRequest2(req));
}
/**
* Returns the link to be displayed in the footer of the UI.
*/
public static String getFooterURL() {
if (footerURL == null) {
footerURL = SystemProperties.getString("hudson.footerURL");
if (footerURL == null || footerURL.isBlank()) {
footerURL = "https://www.jenkins.io/";
}
}
return footerURL;
}
private static String footerURL = null;
public static List<JobPropertyDescriptor> getJobPropertyDescriptors(Class<? extends Job> clazz) {
return JobPropertyDescriptor.getPropertyDescriptors(clazz);
}
public static List<JobPropertyDescriptor> getJobPropertyDescriptors(Job job) {
return DescriptorVisibilityFilter.apply(job, JobPropertyDescriptor.getPropertyDescriptors(job.getClass()));
}
public static List<Descriptor<BuildWrapper>> getBuildWrapperDescriptors(AbstractProject<?, ?> project) {
return BuildWrappers.getFor(project);
}
public static List<Descriptor<SecurityRealm>> getSecurityRealmDescriptors() {
return SecurityRealm.all();
}
public static List<Descriptor<AuthorizationStrategy>> getAuthorizationStrategyDescriptors() {
return AuthorizationStrategy.all();
}
public static List<Descriptor<Builder>> getBuilderDescriptors(AbstractProject<?, ?> project) {
return BuildStepDescriptor.filter(Builder.all(), project.getClass());
}
public static List<Descriptor<Publisher>> getPublisherDescriptors(AbstractProject<?, ?> project) {
return BuildStepDescriptor.filter(Publisher.all(), project.getClass());
}
public static List<SCMDescriptor<?>> getSCMDescriptors(AbstractProject<?, ?> project) {
return SCM._for((Job) project);
}
/**
* @since 2.12
* @deprecated replaced by {@link Slave.SlaveDescriptor#computerLauncherDescriptors(Slave)}
*/
@Deprecated
@Restricted(DoNotUse.class)
@RestrictedSince("2.12")
public static List<Descriptor<ComputerLauncher>> getComputerLauncherDescriptors() {
return Jenkins.get().getDescriptorList(ComputerLauncher.class);
}
/**
* @since 2.12
* @deprecated replaced by {@link Slave.SlaveDescriptor#retentionStrategyDescriptors(Slave)}
*/
@Deprecated
@Restricted(DoNotUse.class)
@RestrictedSince("2.12")
public static List<Descriptor<RetentionStrategy<?>>> getRetentionStrategyDescriptors() {
return RetentionStrategy.all();
}
public static List<ParameterDescriptor> getParameterDescriptors() {
return ParameterDefinition.all();
}
public static List<Descriptor<CaptchaSupport>> getCaptchaSupportDescriptors() {
return CaptchaSupport.all();
}
public static List<Descriptor<ViewsTabBar>> getViewsTabBarDescriptors() {
return ViewsTabBar.all();
}
public static List<Descriptor<MyViewsTabBar>> getMyViewsTabBarDescriptors() {
return MyViewsTabBar.all();
}
/**
* @deprecated replaced by {@link Slave.SlaveDescriptor#nodePropertyDescriptors(Slave)}
* @since 2.12
*/
@Deprecated
@Restricted(DoNotUse.class)
@RestrictedSince("2.12")
public static List<NodePropertyDescriptor> getNodePropertyDescriptors(Class<? extends Node> clazz) {
List<NodePropertyDescriptor> result = new ArrayList<>();
Collection<NodePropertyDescriptor> list = (Collection) Jenkins.get().getDescriptorList(NodeProperty.class);
for (NodePropertyDescriptor npd : list) {
if (npd.isApplicable(clazz)) {
result.add(npd);
}
}
return result;
}
/**
* Returns those node properties which can be configured as global node properties.
*
* @since 1.520
*/
public static List<NodePropertyDescriptor> getGlobalNodePropertyDescriptors() {
List<NodePropertyDescriptor> result = new ArrayList<>();
Collection<NodePropertyDescriptor> list = (Collection) Jenkins.get().getDescriptorList(NodeProperty.class);
for (NodePropertyDescriptor npd : list) {
if (npd.isApplicableAsGlobal()) {
result.add(npd);
}
}
return result;
}
/**
* Gets all the descriptors sorted by their inheritance tree of {@link Describable}
* so that descriptors of similar types come nearby.
*
* <p>
* We sort them by {@link Extension#ordinal()} but only for {@link GlobalConfiguration}s,
* as the value is normally used to compare similar kinds of extensions, and we needed
* {@link GlobalConfiguration}s to be able to position themselves in a layer above.
* This however creates some asymmetry between regular {@link Descriptor}s and {@link GlobalConfiguration}s.
* Perhaps it is better to introduce another annotation element? But then,
* extensions shouldn't normally concern themselves about ordering too much, and the only reason
* we needed this for {@link GlobalConfiguration}s are for backward compatibility.
*
* @param predicate
* Filter the descriptors based on this predicate
* @since 1.494
* @deprecated use {@link #getSortedDescriptorsForGlobalConfigByDescriptor(Predicate)}
*/
@Deprecated
@Restricted(NoExternalUse.class)
public static Collection<Descriptor> getSortedDescriptorsForGlobalConfig(com.google.common.base.Predicate<GlobalConfigurationCategory> predicate) {
ExtensionList<Descriptor> exts = ExtensionList.lookup(Descriptor.class);
List<Tag> r = new ArrayList<>(exts.size());
for (ExtensionComponent<Descriptor> c : exts.getComponents()) {
Descriptor d = c.getInstance();
if (d.getGlobalConfigPage() == null) continue;
if (!Jenkins.get().hasPermission(d.getRequiredGlobalConfigPagePermission())) {
continue;
}
if (predicate.apply(d.getCategory())) {
r.add(new Tag(c.ordinal(), d));
}
}
Collections.sort(r);
List<Descriptor> answer = new ArrayList<>(r.size());
for (Tag d : r) answer.add(d.d);
return DescriptorVisibilityFilter.apply(Jenkins.get(), answer);
}
/**
* Gets all the descriptors sorted by their inheritance tree of {@link Describable}
* so that descriptors of similar types come nearby.
*
* <p>
* We sort them by {@link Extension#ordinal()} but only for {@link GlobalConfiguration}s,
* as the value is normally used to compare similar kinds of extensions, and we needed
* {@link GlobalConfiguration}s to be able to position themselves in a layer above.
* This however creates some asymmetry between regular {@link Descriptor}s and {@link GlobalConfiguration}s.
* Perhaps it is better to introduce another annotation element? But then,
* extensions shouldn't normally concern themselves about ordering too much, and the only reason
* we needed this for {@link GlobalConfiguration}s are for backward compatibility.
*
* @param predicate
* Filter the descriptors based on this predicate
* @since 2.222
*/
public static Collection<Descriptor> getSortedDescriptorsForGlobalConfigByDescriptor(Predicate<Descriptor> predicate) {
ExtensionList<Descriptor> exts = ExtensionList.lookup(Descriptor.class);
List<Tag> r = new ArrayList<>(exts.size());
for (ExtensionComponent<Descriptor> c : exts.getComponents()) {
Descriptor d = c.getInstance();
if (d.getGlobalConfigPage() == null) continue;
if (predicate.test(d)) {
r.add(new Tag(c.ordinal(), d));
}
}
Collections.sort(r);
List<Descriptor> answer = new ArrayList<>(r.size());
for (Tag d : r) answer.add(d.d);
return DescriptorVisibilityFilter.apply(Jenkins.get(), answer);
}
/**
* Like {@link #getSortedDescriptorsForGlobalConfigByDescriptor(Predicate)} but with a constant truth predicate, to include all descriptors.
*/
public static Collection<Descriptor> getSortedDescriptorsForGlobalConfigByDescriptor() {
return getSortedDescriptorsForGlobalConfigByDescriptor(descriptor -> true);
}
/**
* @deprecated This is rather meaningless.
*/
@Deprecated
public static Collection<Descriptor> getSortedDescriptorsForGlobalConfigNoSecurity() {
return getSortedDescriptorsForGlobalConfigByDescriptor(d -> GlobalSecurityConfiguration.FILTER.negate().test(d));
}
/**
* Descriptors in the global configuration form that users with {@link Jenkins#MANAGE} permission can configure.
*
* @since 1.506
*/
public static Collection<Descriptor> getSortedDescriptorsForGlobalConfigUnclassified() {
return getSortedDescriptorsForGlobalConfigByDescriptor(d -> d.getCategory() instanceof GlobalConfigurationCategory.Unclassified && Jenkins.get().hasPermission(d.getRequiredGlobalConfigPagePermission()));
}
/**
* Descriptors shown in the global configuration form to users with {@link Jenkins#SYSTEM_READ} permission.
*
* @since 2.222
*/
@Restricted(NoExternalUse.class)
public static Collection<Descriptor> getSortedDescriptorsForGlobalConfigUnclassifiedReadable() {
return getSortedDescriptorsForGlobalConfigByDescriptor(d -> d.getCategory() instanceof GlobalConfigurationCategory.Unclassified && (
Jenkins.get().hasPermission(d.getRequiredGlobalConfigPagePermission()) || Jenkins.get().hasPermission(Jenkins.SYSTEM_READ)));
}
/**
* Checks if the current security principal has one of the supplied permissions.
*
* @since 2.238
*/
public static boolean hasAnyPermission(AccessControlled ac, Permission[] permissions) {
if (permissions == null || permissions.length == 0) {
return true;
}
return ac.hasAnyPermission(permissions);
}
/**
* This version is so that the 'hasAnyPermission'
* degrades gracefully if "it" is not an {@link AccessControlled} object.
* Otherwise it will perform no check and that problem is hard to notice.
*
* @since 2.238
*/
public static boolean hasAnyPermission(Object object, Permission[] permissions) {
if (permissions == null || permissions.length == 0) {
return true;
}
if (object instanceof AccessControlled)
return hasAnyPermission((AccessControlled) object, permissions);
else {
AccessControlled ac = Stapler.getCurrentRequest2().findAncestorObject(AccessControlled.class);
if (ac != null) {
return hasAnyPermission(ac, permissions);
}
return hasAnyPermission(Jenkins.get(), permissions);
}
}
/**
* Checks if the current security principal has one of the supplied permissions.
*
* @throws AccessDeniedException
* if the user doesn't have the permission.
*
* @since 2.222
*/
public static void checkAnyPermission(AccessControlled ac, Permission[] permissions) {
if (permissions == null || permissions.length == 0) {
return;
}
ac.checkAnyPermission(permissions);
}
/**
* This version is so that the 'checkAnyPermission' on {@code layout.jelly}
* degrades gracefully if "it" is not an {@link AccessControlled} object.
* Otherwise it will perform no check and that problem is hard to notice.
*/
public static void checkAnyPermission(Object object, Permission[] permissions) {
if (permissions == null || permissions.length == 0) {
return;
}
if (object instanceof AccessControlled)
checkAnyPermission((AccessControlled) object, permissions);
else {
List<Ancestor> ancs = Stapler.getCurrentRequest2().getAncestors();
for (Ancestor anc : Iterators.reverse(ancs)) {
Object o = anc.getObject();
if (o instanceof AccessControlled) {
checkAnyPermission((AccessControlled) o, permissions);
return;
}
}
checkAnyPermission(Jenkins.get(), permissions);
}
}
private static class Tag implements Comparable<Tag> {
double ordinal;
String hierarchy;
Descriptor d;
Tag(double ordinal, Descriptor d) {
this.ordinal = ordinal;
this.d = d;
this.hierarchy = buildSuperclassHierarchy(d.clazz, new StringBuilder()).toString();
}
private StringBuilder buildSuperclassHierarchy(Class c, StringBuilder buf) {
Class sc = c.getSuperclass();
if (sc != null) buildSuperclassHierarchy(sc, buf).append(':');
return buf.append(c.getName());
}
@Override
public int compareTo(Tag that) {
int r = Double.compare(that.ordinal, this.ordinal);
if (r != 0) return r; // descending for ordinal by reversing the order for compare
return this.hierarchy.compareTo(that.hierarchy);
}
}
/**
* Computes the path to the icon of the given action
* from the context path.
*/
public static String getIconFilePath(Action a) {
String name = a.getIconFileName();
if (name == null) {
return null;
}
if (name.startsWith("symbol-")) {
return name;
}
if (name.startsWith("/"))
return name.substring(1);
else
return "images/24x24/" + name;
}
/**
* Works like JSTL build-in size(x) function,
* but handle null gracefully.
*/
public static int size2(Object o) throws Exception {
if (o == null) return 0;
return ASTSizeFunction.sizeOf(o, Introspector.getUberspect());
}
/**
* Computes the relative path from the current page to the given item.
*/
public static String getRelativeLinkTo(Item p) {
Map<Object, String> ancestors = new HashMap<>();
View view = null;
StaplerRequest2 request = Stapler.getCurrentRequest2();
for (Ancestor a : request.getAncestors()) {
ancestors.put(a.getObject(), a.getRelativePath());
if (a.getObject() instanceof View)
view = (View) a.getObject();
}
String path = ancestors.get(p);
if (path != null) {
return normalizeURI(path + '/');
}
Item i = p;
String url = "";
while (true) {
ItemGroup ig = i.getParent();
url = i.getShortUrl() + url;
if (ig == Jenkins.get() || (view != null && ig == view.getOwner().getItemGroup())) {
assert i instanceof TopLevelItem;
if (view != null) {
// assume p and the current page belong to the same view, so return a relative path
// (even if they did not, View.getItem does not by default verify ownership)
return normalizeURI(ancestors.get(view) + '/' + url);
} else {
// otherwise return a path from the root Hudson
return normalizeURI(request.getContextPath() + '/' + p.getUrl());
}
}
path = ancestors.get(ig);
if (path != null) {
return normalizeURI(path + '/' + url);
}
assert ig instanceof Item; // if not, ig must have been the Hudson instance
i = (Item) ig;
}
}
private static String normalizeURI(String uri) {
return URI.create(uri).normalize().toString();
}
/**
* Gets all the {@link TopLevelItem}s recursively in the {@link ItemGroup} tree.
*
* @since 1.512
*/
public static List<TopLevelItem> getAllTopLevelItems(ItemGroup root) {
return root.getAllItems(TopLevelItem.class);
}
/**
* Gets the relative name or display name to the given item from the specified group.
*
* @since 1.515
* @param p the Item we want the relative display name.
* If {@code null}, a {@code null} will be returned by the method
* @param g the ItemGroup used as point of reference for the item.
* If the group is not specified, item's path will be used.
* @param useDisplayName if true, returns a display name, otherwise returns a name
* @return
* String like "foo » bar".
* {@code null} if item is null or if one of its parents is not an {@link Item}.
*/
@Nullable
public static String getRelativeNameFrom(@CheckForNull Item p, @CheckForNull ItemGroup g, boolean useDisplayName) {
if (p == null) return null;
if (g == null) return useDisplayName ? p.getFullDisplayName() : p.getFullName();
String separationString = useDisplayName ? " » " : "/";
// first list up all the parents
Map<ItemGroup, Integer> parents = new HashMap<>();
int depth = 0;
while (g != null) {
parents.put(g, depth++);
if (g instanceof Item)
g = ((Item) g).getParent();
else
g = null;
}
StringBuilder buf = new StringBuilder();
Item i = p;
while (true) {
if (!buf.isEmpty()) buf.insert(0, separationString);
buf.insert(0, useDisplayName ? i.getDisplayName() : i.getName());
ItemGroup gr = i.getParent();
Integer d = parents.get(gr);
if (d != null) {
for (int j = d; j > 0; j--) {
buf.insert(0, separationString);
buf.insert(0, "..");
}
return buf.toString();
}
if (gr instanceof Item)
i = (Item) gr;
else // Parent is a group, but not an item
return null;
}
}
/**
* Gets the name to the given item relative to given group.
*
* @since 1.515
* @param p the Item we want the relative display name
* If {@code null}, the method will immediately return {@code null}.
* @param g the ItemGroup used as point of reference for the item
* @return
* String like "foo/bar".
* {@code null} if the item is {@code null} or if one of its parents is not an {@link Item}.
*/
@Nullable
public static String getRelativeNameFrom(@CheckForNull Item p, @CheckForNull ItemGroup g) {
return getRelativeNameFrom(p, g, false);
}
/**
* Gets the relative display name to the given item from the specified group.
*
* @since 1.512
* @param p the Item we want the relative display name.
* If {@code null}, the method will immediately return {@code null}.
* @param g the ItemGroup used as point of reference for the item
* @return
* String like "Foo » Bar".
* {@code null} if the item is {@code null} or if one of its parents is not an {@link Item}.
*/
@Nullable
public static String getRelativeDisplayNameFrom(@CheckForNull Item p, @CheckForNull ItemGroup g) {
return getRelativeNameFrom(p, g, true);
}
public static Map<Thread, StackTraceElement[]> dumpAllThreads() {
Map<Thread, StackTraceElement[]> sorted = new TreeMap<>(new ThreadSorter());
sorted.putAll(Thread.getAllStackTraces());
return sorted;
}
public static ThreadInfo[] getThreadInfos() {
ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
return mbean.dumpAllThreads(mbean.isObjectMonitorUsageSupported(), mbean.isSynchronizerUsageSupported());
}
public static ThreadGroupMap sortThreadsAndGetGroupMap(ThreadInfo[] list) {
ThreadGroupMap sorter = new ThreadGroupMap();
Arrays.sort(list, sorter);
return sorter;
}
// Common code for sorting Threads/ThreadInfos by ThreadGroup
private static class ThreadSorterBase {
protected Map<Long, String> map = new HashMap<>();
ThreadSorterBase() {
ThreadGroup tg = Thread.currentThread().getThreadGroup();
while (tg.getParent() != null) tg = tg.getParent();
Thread[] threads = new Thread[tg.activeCount() * 2];
int threadsLen = tg.enumerate(threads, true);
for (int i = 0; i < threadsLen; i++) {
ThreadGroup group = threads[i].getThreadGroup();
map.put(threads[i].getId(), group != null ? group.getName() : null);
}
}
protected int compare(long idA, long idB) {
String tga = map.get(idA), tgb = map.get(idB);
int result = (tga != null ? -1 : 0) + (tgb != null ? 1 : 0); // Will be non-zero if only one is null
if (result == 0 && tga != null)
result = tga.compareToIgnoreCase(tgb);
return result;
}
}
public static class ThreadGroupMap extends ThreadSorterBase implements Comparator<ThreadInfo>, Serializable {
private static final long serialVersionUID = 7803975728695308444L;
/**
* @return ThreadGroup name or null if unknown
*/
public String getThreadGroup(ThreadInfo ti) {
return map.get(ti.getThreadId());
}
@Override
public int compare(ThreadInfo a, ThreadInfo b) {
int result = compare(a.getThreadId(), b.getThreadId());
if (result == 0)
result = a.getThreadName().compareToIgnoreCase(b.getThreadName());
return result;
}
}
private static class ThreadSorter extends ThreadSorterBase implements Comparator<Thread>, Serializable {
private static final long serialVersionUID = 5053631350439192685L;
@Override
public int compare(Thread a, Thread b) {
int result = compare(a.getId(), b.getId());
if (result == 0)
result = a.getName().compareToIgnoreCase(b.getName());
return result;
}
}
/**
* @deprecated Now always true.
*/
@Deprecated
public static boolean isMustangOrAbove() {
return true;
}
// ThreadInfo.toString() truncates the stack trace by first 8, so needed my own version
public static String dumpThreadInfo(ThreadInfo ti, ThreadGroupMap map) {
String grp = map.getThreadGroup(ti);
StringBuilder sb = new StringBuilder("\"" + ti.getThreadName() + "\"" +
" Id=" + ti.getThreadId() + " Group=" +
(grp != null ? grp : "?") + " " +
ti.getThreadState());
if (ti.getLockName() != null) {
sb.append(" on " + ti.getLockName());
}
if (ti.getLockOwnerName() != null) {
sb.append(" owned by \"" + ti.getLockOwnerName() +
"\" Id=" + ti.getLockOwnerId());
}
if (ti.isSuspended()) {
sb.append(" (suspended)");
}
if (ti.isInNative()) {
sb.append(" (in native)");
}
sb.append('\n');
StackTraceElement[] stackTrace = ti.getStackTrace();
for (int i = 0; i < stackTrace.length; i++) {
StackTraceElement ste = stackTrace[i];
sb.append("\tat ").append(ste);
sb.append('\n');
if (i == 0 && ti.getLockInfo() != null) {
Thread.State ts = ti.getThreadState();
switch (ts) {
case BLOCKED:
sb.append("\t- blocked on ").append(ti.getLockInfo());
sb.append('\n');
break;
case WAITING:
case TIMED_WAITING:
sb.append("\t- waiting on ").append(ti.getLockInfo());
sb.append('\n');
break;
default:
}
}
for (MonitorInfo mi : ti.getLockedMonitors()) {
if (mi.getLockedStackDepth() == i) {
sb.append("\t- locked ").append(mi);
sb.append('\n');
}
}
}
LockInfo[] locks = ti.getLockedSynchronizers();
if (locks.length > 0) {
sb.append("\n\tNumber of locked synchronizers = " + locks.length);
sb.append('\n');
for (LockInfo li : locks) {
sb.append("\t- ").append(li);
sb.append('\n');
}
}
sb.append('\n');
return sb.toString();
}
public static <T> Collection<T> emptyList() {
return Collections.emptyList();
}
/**
* Escape a string so variable values can be used in inline JavaScript in views.
* Note that inline JavaScript and especially passing variables is discouraged, see the documentation for alternatives.
* <pre>
* Input example : \ \\ ' "
* Output example: \\ \\\\ \' \"
* </pre>
* @see <a href="https://www.jenkins.io/doc/developer/security/xss-prevention/#passing-values-to-javascript">Passing values to JavaScript</a>
*/
public static String jsStringEscape(String s) {
if (s == null) return null;
StringBuilder buf = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
char ch = s.charAt(i);
switch (ch) {
case '\'':
buf.append("\\'");
break;
case '\\':
buf.append("\\\\");
break;
case '"':
buf.append("\\\"");
break;
default:
buf.append(ch);
}
}
return buf.toString();
}
/**
* Converts "abc" to "Abc".
*/
public static String capitalize(String s) {
if (s == null || s.isEmpty()) return s;
return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}
public static String getVersion() {
return Jenkins.VERSION;
}
/**
* Resource path prefix.
*/
public static String getResourcePath() {
return Jenkins.RESOURCE_PATH;
}
public static String getViewResource(Object it, String path) {
Class clazz = it.getClass();
if (it instanceof Class)
clazz = (Class) it;
if (it instanceof Descriptor)
clazz = ((Descriptor) it).clazz;
String buf = Stapler.getCurrentRequest2().getContextPath() + Jenkins.VIEW_RESOURCE_PATH + '/' +
clazz.getName().replace('.', '/').replace('$', '/') +
'/' + path;
return buf;
}
public static boolean hasView(Object it, String path) throws IOException {
if (it == null) return false;
return Stapler.getCurrentRequest2().getView(it, path) != null;
}
/**
* Can be used to check a checkbox by default.
* Used from views like {@code h.defaultToTrue(scm.useUpdate)}.
* The expression will evaluate to true if scm is null.
*/
public static boolean defaultToTrue(Boolean b) {
if (b == null) return true;
return b;
}
/**
* If the value exists, return that value. Otherwise return the default value.
* <p>
* Starting 1.294, JEXL supports the elvis operator "x?:y" that supersedes this.
*
* @since 1.150
*/
public static <T> T defaulted(T value, T defaultValue) {
return value != null ? value : defaultValue;
}
/**
* Prints a stack trace from an exception into a readable form.
* Unlike {@link Throwable#printStackTrace(PrintWriter)}, this implementation follows the suggestion of JDK-6507809
* to produce a linear trace even when {@link Throwable#getCause} is used.
* @param t Input {@link Throwable}
* @return If {@code t} is not null, generally a multiline string ending in a (platform-specific) newline;
* otherwise, the method returns a default
* &quot;No exception details&quot; string.
*/
public static @NonNull String printThrowable(@CheckForNull Throwable t) {
if (t == null) {
return Messages.Functions_NoExceptionDetails();
}
StringBuilder s = new StringBuilder();
doPrintStackTrace(s, t, null, "", new HashSet<>());
return s.toString();
}
@SuppressFBWarnings(value = "INFORMATION_EXPOSURE_THROUGH_AN_ERROR_MESSAGE", justification = "Jenkins handles this issue differently or doesn't care about it")
private static void doPrintStackTrace(@NonNull StringBuilder s, @NonNull Throwable t, @CheckForNull Throwable higher, @NonNull String prefix, @NonNull Set<Throwable> encountered) {
if (!encountered.add(t)) {
s.append("<cycle to ").append(t).append(">\n");
return;
}
if (Util.isOverridden(Throwable.class, t.getClass(), "printStackTrace", PrintWriter.class)) {
StringWriter sw = new StringWriter();
t.printStackTrace(new PrintWriter(sw));
s.append(sw);
return;
}
Throwable lower = t.getCause();
if (lower != null) {
doPrintStackTrace(s, lower, t, prefix, encountered);
}
for (Throwable suppressed : t.getSuppressed()) {
s.append(prefix).append("Also: ");
doPrintStackTrace(s, suppressed, t, prefix + "\t", encountered);
}
if (lower != null) {
s.append(prefix).append("Caused: ");
}
String summary = t.toString();
if (lower != null) {
String suffix = ": " + lower;
if (summary.endsWith(suffix)) {
summary = summary.substring(0, summary.length() - suffix.length());
}
}
s.append(summary).append(System.lineSeparator());
StackTraceElement[] trace = t.getStackTrace();
int end = trace.length;
if (higher != null) {
StackTraceElement[] higherTrace = higher.getStackTrace();
while (end > 0) {
int higherEnd = end + higherTrace.length - trace.length;
if (higherEnd <= 0 || !higherTrace[higherEnd - 1].equals(trace[end - 1])) {
break;
}
end--;
}
}
for (int i = 0; i < end; i++) {
s.append(prefix).append("\tat ").append(trace[i]).append(System.lineSeparator());
}
}
/**
* Like {@link Throwable#printStackTrace(PrintWriter)} but using {@link #printThrowable} format.
* @param t an exception to print
* @param pw the log
* @since 2.43
*/
@SuppressFBWarnings(value = "XSS_SERVLET", justification = "TODO needs triage")
public static void printStackTrace(@CheckForNull Throwable t, @NonNull PrintWriter pw) {
pw.println(printThrowable(t).trim());
}
/**
* Like {@link Throwable#printStackTrace(PrintStream)} but using {@link #printThrowable} format.
* @param t an exception to print
* @param ps the log
* @since 2.43
*/
public static void printStackTrace(@CheckForNull Throwable t, @NonNull PrintStream ps) {
ps.println(printThrowable(t).trim());
}
/**
* Counts the number of rows needed for textarea to fit the content.
* Minimum 5 rows.
*/
public static int determineRows(String s) {
if (s == null) return 5;
return Math.max(5, LINE_END.split(s).length);
}
/**
* Converts the Hudson build status to CruiseControl build status,
* which is either Success, Failure, Exception, or Unknown.
*
* @deprecated This functionality has been moved to ccxml plugin.
*/
@Deprecated
@Restricted(DoNotUse.class)
@RestrictedSince("2.173")
public static String toCCStatus(Item i) {
return "Unknown";
}
private static final Pattern LINE_END = Pattern.compile("\r?\n");
/**
* Checks if the current user is anonymous.
*/
public static boolean isAnonymous() {
return ACL.isAnonymous2(Jenkins.getAuthentication2());
}
/**
* When called from within JEXL expression evaluation,
* this method returns the current {@link JellyContext} used
* to evaluate the script.
*
* @since 1.164
*/
public static JellyContext getCurrentJellyContext() {
JellyContext context = ExpressionFactory2.CURRENT_CONTEXT.get();
assert context != null;
return context;
}
/**
* Evaluate a Jelly script and return output as a String.
*
* @since 1.267
*/
public static String runScript(Script script) throws JellyTagException {
StringWriter out = new StringWriter();
script.run(getCurrentJellyContext(), XMLOutput.createXMLOutput(out));
return out.toString();
}
/**
* Returns a sub-list if the given list is bigger than the specified {@code maxSize}.
* <strong>Warning:</strong> do not call this with a {@link RunList}, or you will break lazy loading!
*/
public static <T> List<T> subList(List<T> base, int maxSize) {
if (maxSize < base.size())
return base.subList(0, maxSize);
else
return base;
}
/**
* Combine path components via '/' while handling leading/trailing '/' to avoid duplicates.
*/
public static String joinPath(String... components) {
StringBuilder buf = new StringBuilder();
for (String s : components) {
if (s.isEmpty()) continue;
if (!buf.isEmpty()) {
if (buf.charAt(buf.length() - 1) != '/')
buf.append('/');
if (s.charAt(0) == '/') s = s.substring(1);
}
buf.append(s);
}
return buf.toString();
}
/**
* Computes the hyperlink to actions, to handle the situation when the {@link Action#getUrlName()}
* returns absolute URL.
*
* @return null in case the action should not be presented to the user.
*/
public static @CheckForNull String getActionUrl(String itUrl, Action action) {
String urlName = action.getUrlName();
if (urlName == null) return null; // Should not be displayed
try {
if (new URI(urlName).isAbsolute()) {
return urlName;
}
} catch (URISyntaxException x) {
Logger.getLogger(Functions.class.getName()).log(Level.WARNING, "Failed to parse URL for {0}: {1}", new Object[] {action, x});
return null;
}
if (urlName.startsWith("/"))
return joinPath(Stapler.getCurrentRequest2().getContextPath(), urlName);
else
// relative URL name
return joinPath(Stapler.getCurrentRequest2().getContextPath() + '/' + itUrl, urlName);
}
/**
* Computes the link to the console for the run for the specified object, taking {@link ConsoleUrlProvider} into account.
* @param withConsoleUrl the object to compute a console url for (can be {@link Run}, a {@code PlaceholderExecutable}...)
* @return the absolute URL for accessing the build console for the given object, or null if there is no console URL defined for the object.
* @since 2.433
*/
public static @CheckForNull String getConsoleUrl(WithConsoleUrl withConsoleUrl) {
String consoleUrl = withConsoleUrl.getConsoleUrl();
return consoleUrl != null ? Stapler.getCurrentRequest2().getContextPath() + '/' + consoleUrl : null;
}
/**
* @param run the run
* @return the Console Provider for the given run, if null, the default Console Provider
*/
public static ConsoleUrlProvider getConsoleProviderFor(Run<?, ?> run) {
return Optional.ofNullable(ConsoleUrlProvider.getProvider(run)).orElse(new DefaultConsoleUrlProvider());
}
/**
* Escapes the character unsafe for e-mail address.
* See <a href="https://en.wikipedia.org/wiki/Email_address">the Wikipedia page</a> for the details,
* but here the vocabulary is even more restricted.
*/
public static String toEmailSafeString(String projectName) {
// TODO: escape non-ASCII characters
StringBuilder buf = new StringBuilder(projectName.length());
for (int i = 0; i < projectName.length(); i++) {
char ch = projectName.charAt(i);
if (('a' <= ch && ch <= 'z')
|| ('A' <= ch && ch <= 'Z')
|| ('0' <= ch && ch <= '9')
|| "-_.".indexOf(ch) >= 0)
buf.append(ch);
else
buf.append('_'); // escape
}
return String.valueOf(buf);
}
/**
* Obtains the host name of the Hudson server that clients can use to talk back to.
* <p>
* This was primarily used in {@code jenkins-agent.jnlp.jelly} to specify the destination
* that the agents talk to.
*
* @deprecated use {@link JNLPLauncher#getInboundAgentUrl}
*/
@Deprecated
public String getServerName() {
// Try to infer this from the configured root URL.
// This makes it work correctly when Hudson runs behind a reverse proxy.
String url = Jenkins.get().getRootUrl();
try {
if (url != null) {
String host = new URL(url).getHost();
if (host != null)
return host;
}
} catch (MalformedURLException e) {
// fall back to HTTP request
}
return Stapler.getCurrentRequest2().getServerName();
}
/**
* Determines the form validation check URL. See textbox.jelly
*
* @deprecated
* Use {@link #calcCheckUrl}
*/
@Deprecated
public String getCheckUrl(String userDefined, Object descriptor, String field) {
if (userDefined != null || field == null) return userDefined;
if (descriptor instanceof Descriptor d) {
return d.getCheckUrl(field);
}
return null;
}
/**
* Determines the parameters that client-side needs for a form validation check. See prepareDatabinding.jelly
* @since 1.528
*/
public void calcCheckUrl(Map attributes, String userDefined, Object descriptor, String field) {
if (userDefined != null || field == null) return;
if (descriptor instanceof Descriptor d) {
CheckMethod m = d.getCheckMethod(field);
attributes.put("checkUrl", m.toStemUrl());
attributes.put("checkDependsOn", m.getDependsOn());
}
}
/**
* If the given href link is matching the current page, return true.
*
* Used in {@code task.jelly} to decide if the page should be highlighted.
*/
public boolean hyperlinkMatchesCurrentPage(String href) {
String url = Stapler.getCurrentRequest2().getRequestURL().toString();
if (href == null || href.length() <= 1) return ".".equals(href) && url.endsWith("/");
url = URLDecoder.decode(url, StandardCharsets.UTF_8);
href = URLDecoder.decode(href, StandardCharsets.UTF_8);
if (url.endsWith("/")) url = url.substring(0, url.length() - 1);
if (href.endsWith("/")) href = href.substring(0, href.length() - 1);
return url.endsWith(href);
}
/**
* If the given {@code Action} is a {@link RootAction#isPrimaryAction() primary} {@code RootAction}, or a parent of the current page, return {@code true}.
* Used in {@code actions.jelly} to decide if the action should shown in the main header or the hamburger.
*/
@Restricted(NoExternalUse.class)
public static boolean showInPrimaryHeader(Action action) {
// regular Actions can be injected into Jenkins via a factory.
if (action instanceof RootAction ra) {
if (ra.isPrimaryAction()) {
return true;
}
}
String path = Stapler.getCurrentRequest2().getPathInfo();
if (path == null || path.equals("/")) {
// we are in the root page so there is nothing current
return false;
}
String actionPath = action.getUrlName();
if (actionPath == null) {
// we are not a primary action and can not ever be current when we have no URL
return false;
}
// RootActions are not expected to start with a `/` but some do and some do, and not all Actions will be RootActions
// but path will always start with a "/"
if (!actionPath.startsWith("/")) {
actionPath = '/' + actionPath;
}
// the action /foo should not match /foobar but should match /foo/bar
if (!actionPath.endsWith("/")) {
actionPath = actionPath + '/';
}
if (!path.endsWith("/")) {
path = path + '/';
}
return path.startsWith(actionPath);
}
/**
* @deprecated From JEXL expressions ({@code ${…}}) in {@code *.jelly} files
* you can use {@code [obj]} syntax to construct an {@code Object[]}
* (which may be usable where a {@link List} is expected)
* rather than {@code h.singletonList(obj)}.
*/
@Deprecated
public <T> List<T> singletonList(T t) {
return List.of(t);
}
/**
* Gets all the {@link PageDecorator}s.
*/
public static List<PageDecorator> getPageDecorators() {
// this method may be called to render start up errors, at which point Hudson doesn't exist yet. see JENKINS-3608
if (Jenkins.getInstanceOrNull() == null) return Collections.emptyList();
return PageDecorator.all();
}
/**
* Gets only one {@link SimplePageDecorator}.
* @since 2.128
*/
public static SimplePageDecorator getSimplePageDecorator() {
return SimplePageDecorator.first();
}
public static List<SimplePageDecorator> getSimplePageDecorators() {
return SimplePageDecorator.all();
}
public static List<Descriptor<Cloud>> getCloudDescriptors() {
return Cloud.all();
}
/**
* Prepend a prefix only when there's the specified body.
*/
public String prepend(String prefix, String body) {
if (body != null && !body.isEmpty())
return prefix + body;
return body;
}
public static List<Descriptor<CrumbIssuer>> getCrumbIssuerDescriptors() {
return CrumbIssuer.all();
}
/**
* @since 2.475
*/
public static String getCrumb(StaplerRequest2 req) {
Jenkins h = Jenkins.getInstanceOrNull();
CrumbIssuer issuer = h != null ? h.getCrumbIssuer() : null;
return issuer != null ? issuer.getCrumb(req) : "";
}
/**
* @deprecated use {@link #getCrumb(StaplerRequest2)}
*/
@Deprecated
public static String getCrumb(StaplerRequest req) {
return getCrumb(req != null ? StaplerRequest.toStaplerRequest2(req) : null);
}
public static String getCrumbRequestField() {
Jenkins h = Jenkins.getInstanceOrNull();
CrumbIssuer issuer = h != null ? h.getCrumbIssuer() : null;
return issuer != null ? issuer.getDescriptor().getCrumbRequestField() : "";
}
public static Date getCurrentTime() {
return new Date();
}
public static Locale getCurrentLocale() {
Locale locale = null;
StaplerRequest2 req = Stapler.getCurrentRequest2();
if (req != null)
locale = req.getLocale();
if (locale == null)
locale = Locale.getDefault();
return locale;
}
/**
* Generate a series of {@code <script>} tags to include {@code script.js}
* from {@link ConsoleAnnotatorFactory}s and {@link ConsoleAnnotationDescriptor}s.
*
* @see hudson.console.ConsoleAnnotatorFactory.RootAction
*/
public static String generateConsoleAnnotationScriptAndStylesheet() {
String cp = Stapler.getCurrentRequest2().getContextPath() + Jenkins.RESOURCE_PATH;
StringBuilder buf = new StringBuilder();
for (ConsoleAnnotatorFactory f : ConsoleAnnotatorFactory.all()) {
String path = cp + "/" + ConsoleAnnotatorFactory.class.getName() + "/" + f.getClass().getName();
if (f.hasScript())
buf.append("<script src='").append(path).append("/script.js'></script>");
if (f.hasStylesheet())
buf.append("<link rel='stylesheet' type='text/css' href='").append(path).append("/style.css' />");
}
for (ConsoleAnnotationDescriptor d : ConsoleAnnotationDescriptor.all()) {
String path = cp + "/descriptor/" + d.clazz.getName();
if (d.hasScript())
buf.append("<script src='").append(path).append("/script.js'></script>");
if (d.hasStylesheet())
buf.append("<link rel='stylesheet' type='text/css' href='").append(path).append("/style.css' />");
}
return buf.toString();
}
/**
* Work around for bug 6935026.
*/
public List<String> getLoggerNames() {
while (true) {
try {
List<String> r = new ArrayList<>();
Enumeration<String> e = LogManager.getLogManager().getLoggerNames();
while (e.hasMoreElements())
r.add(e.nextElement());
return r;
} catch (ConcurrentModificationException e) {
// retry
}
}
}
/**
* Used by {@code <f:password/>} so that we send an encrypted value to the client.
*/
public String getPasswordValue(Object o) {
if (o == null) {
return null;
}
/*
Return plain value if it's the default value for PasswordParameterDefinition.
This needs to work even when the user doesn't have CONFIGURE permission
*/
if (o.equals(PasswordParameterDefinition.DEFAULT_VALUE)) {
return o.toString();
}
/* Mask from Extended Read */
StaplerRequest2 req = Stapler.getCurrentRequest2();
if (o instanceof Secret || Secret.BLANK_NONSECRET_PASSWORD_FIELDS_WITHOUT_ITEM_CONFIGURE) {
if (req != null) {
Item item = req.findAncestorObject(Item.class);
if (item != null && !item.hasPermission(Item.CONFIGURE)) {
return "********";
}
Computer computer = req.findAncestorObject(Computer.class);
if (computer != null && !computer.hasPermission(Computer.CONFIGURE)) {
return "********";
}
}
}
/* Return encrypted value if it's a Secret */
if (o instanceof Secret) {
return ((Secret) o).getEncryptedValue();
}
/* Log a warning if we're in development mode (core or plugin): There's an f:password backed by a non-Secret */
if (req != null && (Boolean.getBoolean("hudson.hpi.run") || Boolean.getBoolean("hudson.Main.development"))) {
LOGGER.log(Level.WARNING, () -> "<f:password/> form control in " + getJellyViewsInformationForCurrentRequest() +
" is not backed by hudson.util.Secret. Learn more: https://www.jenkins.io/redirect/hudson.util.Secret");
}
/* Return plain value if it's not a Secret and the escape hatch is set */
if (!Secret.AUTO_ENCRYPT_PASSWORD_CONTROL) {
return o.toString();
}
/* Make it a Secret and return its encrypted value */
return Secret.fromString(o.toString()).getEncryptedValue();
}
private String getJellyViewsInformationForCurrentRequest() {
final Thread thread = Thread.currentThread();
String threadName = thread.getName();
// try to simplify based on org.kohsuke.stapler.jelly.JellyViewScript
// Views are expected to contain a slash and a period, neither as the first char, and the last slash before the first period: Class/view.jelly
// Nested classes use slashes, so we do not expect period before: Class/Nested/view.jelly
String views = Arrays.stream(threadName.split(" ")).filter(part -> {
int slash = part.lastIndexOf("/");
int firstPeriod = part.indexOf(".");
return slash > 0 && firstPeriod > 0 && slash < firstPeriod;
}).collect(Collectors.joining(" "));
if (views == null || views.isBlank()) {
// fallback to full thread name if there are no apparent views
return threadName;
}
return views;
}
public List filterDescriptors(Object context, Iterable descriptors) {
return DescriptorVisibilityFilter.apply(context, descriptors);
}
/**
* Returns true if we are running unit tests.
*/
public static boolean getIsUnitTest() {
return Main.isUnitTest;
}
/**
* Returns {@code true} if the {@link Run#ARTIFACTS} permission is enabled,
* {@code false} otherwise.
*
* <p>When the {@link Run#ARTIFACTS} permission is not turned on using the
* {@code hudson.security.ArtifactsPermission} system property, this
* permission must not be considered to be set to {@code false} for every
* user. It must rather be like if the permission doesn't exist at all
* (which means that every user has to have an access to the artifacts but
* the permission can't be configured in the security screen). Got it?</p>
*/
public static boolean isArtifactsPermissionEnabled() {
return SystemProperties.getBoolean("hudson.security.ArtifactsPermission");
}
/**
* Returns {@code true} if the {@link Item#WIPEOUT} permission is enabled,
* {@code false} otherwise.
*
* <p>The "Wipe Out Workspace" action available on jobs is controlled by the
* {@link Item#BUILD} permission. For some specific projects, however, it is
* not acceptable to let users have this possibility, even it they can
* trigger builds. As such, when enabling the {@code hudson.security.WipeOutPermission}
* system property, a new "WipeOut" permission will allow to have greater
* control on the "Wipe Out Workspace" action.</p>
*/
public static boolean isWipeOutPermissionEnabled() {
return SystemProperties.getBoolean("hudson.security.WipeOutPermission");
}
@Deprecated
public static String createRenderOnDemandProxy(JellyContext context, String attributesToCapture) {
return Stapler.getCurrentRequest2().createJavaScriptProxy(new RenderOnDemandClosure(context, attributesToCapture));
}
/**
* Called from renderOnDemand.jelly to generate the parameters for the proxy object generation.
*
* @since 2.475
*/
@Restricted(NoExternalUse.class)
public static StaplerRequest2.RenderOnDemandParameters createRenderOnDemandProxyParameters(JellyContext context, String attributesToCapture) {
return Stapler.getCurrentRequest2().createJavaScriptProxyParameters(new RenderOnDemandClosure(context, attributesToCapture));
}
public static String getCurrentDescriptorByNameUrl() {
return Descriptor.getCurrentDescriptorByNameUrl();
}
public static String setCurrentDescriptorByNameUrl(String value) {
String o = getCurrentDescriptorByNameUrl();
Stapler.getCurrentRequest2().setAttribute("currentDescriptorByNameUrl", value);
return o;
}
public static void restoreCurrentDescriptorByNameUrl(String old) {
Stapler.getCurrentRequest2().setAttribute("currentDescriptorByNameUrl", old);
}
public static List<String> getRequestHeaders(String name) {
List<String> r = new ArrayList<>();
Enumeration e = Stapler.getCurrentRequest2().getHeaders(name);
while (e.hasMoreElements()) {
r.add(e.nextElement().toString());
}
return r;
}
/**
* Used for arguments to internationalized expressions to avoid escape
*/
public static Object rawHtml(Object o) {
return o == null ? null : new RawHtmlArgument(o);
}
public static ArrayList<CLICommand> getCLICommands() {
ArrayList<CLICommand> all = new ArrayList<>(CLICommand.all());
all.sort(Comparator.comparing(CLICommand::getName));
return all;
}
/**
* Returns an avatar image URL for the specified user and preferred image size
* @param user the user
* @param avatarSize the preferred size of the avatar image
* @return a URL string
* @since 1.433
*/
public static String getAvatar(User user, String avatarSize) {
return UserAvatarResolver.resolve(user, avatarSize);
}
/**
* @deprecated as of 1.451
* Use {@link #getAvatar}
*/
@Deprecated
public String getUserAvatar(User user, String avatarSize) {
return getAvatar(user, avatarSize);
}
/**
* Returns human readable information about file size
*
* @param size file size in bytes
* @return file size in appropriate unit
*/
public static String humanReadableByteSize(long size) {
String measure = "B";
if (size < 1024) {
return size + " " + measure;
}
double number = size;
if (number >= 1024) {
number = number / 1024;
measure = "KiB";
if (number >= 1024) {
number = number / 1024;
measure = "MiB";
if (number >= 1024) {
number = number / 1024;
measure = "GiB";
if (number >= 1024) {
number = number / 1024;
measure = "TiB";
}
}
}
}
DecimalFormat format = new DecimalFormat("#0.00");
return format.format(number) + " " + measure;
}
/**
* Get a string that can be safely broken to several lines when necessary.
*
* This implementation inserts {@code <wbr>} tags into string. It allows browsers
* to wrap line before any sequence of punctuation characters or anywhere
* in the middle of prolonged sequences of word characters.
*
* @since 1.517
*/
public static String breakableString(final String plain) {
if (plain == null) {
return null;
}
return plain.replaceAll("([\\p{Punct}&&[^;]]+\\w)", "<wbr>$1")
.replaceAll("([^\\p{Punct}\\s-]{20})(?=[^\\p{Punct}\\s-]{10})", "$1<wbr>")
;
}
/**
* Advertises the minimum set of HTTP headers that assist programmatic
* discovery of Jenkins.
*/
@SuppressFBWarnings(value = "UC_USELESS_VOID_METHOD", justification = "TODO needs triage")
public static void advertiseHeaders(HttpServletResponse rsp) {
Jenkins j = Jenkins.getInstanceOrNull();
if (j != null) {
rsp.setHeader("X-Hudson", "1.395");
rsp.setHeader("X-Jenkins", Jenkins.VERSION);
rsp.setHeader("X-Jenkins-Session", Jenkins.SESSION_HASH);
}
}
/**
* @deprecated use {@link #advertiseHeaders(HttpServletResponse)}
*/
@Deprecated
public static void advertiseHeaders(javax.servlet.http.HttpServletResponse rsp) {
advertiseHeaders(HttpServletResponseWrapper.toJakartaHttpServletResponse(rsp));
}
@Restricted(NoExternalUse.class) // for actions.jelly and ContextMenu.add
public static boolean isContextMenuVisible(Action a) {
if (a instanceof ModelObjectWithContextMenu.ContextMenuVisibility) {
return ((ModelObjectWithContextMenu.ContextMenuVisibility) a).isVisible();
} else {
return true;
}
}
@Restricted(NoExternalUse.class)
public static Icon tryGetIcon(String iconGuess) {
// Jenkins Symbols don't have metadata so return null
if (iconGuess == null || iconGuess.startsWith("symbol-")) {
return null;
}
Icon iconMetadata = IconSet.icons.getIconByClassSpec(iconGuess);
// `iconGuess` must be class names if it contains a whitespace.
// It may contains extra css classes unrelated to icons.
// Filter classes with `icon-` prefix.
if (iconMetadata == null && iconGuess.contains(" ")) {
iconMetadata = IconSet.icons.getIconByClassSpec(filterIconNameClasses(iconGuess));
}
if (iconMetadata == null) {
// Icon could be provided as a simple iconFileName e.g. "help.svg"
iconMetadata = IconSet.icons.getIconByClassSpec(IconSet.toNormalizedIconNameClass(iconGuess) + " icon-md");
}
if (iconMetadata == null) {
// Icon could be provided as an absolute iconFileName e.g. "/plugin/foo/abc.png"
iconMetadata = IconSet.icons.getIconByUrl(iconGuess);
}
return iconMetadata;
}
private static @NonNull String filterIconNameClasses(@NonNull String classNames) {
return Arrays.stream(classNames.split(" "))
.filter(className -> className.startsWith("icon-"))
.collect(Collectors.joining(" "));
}
@Restricted(NoExternalUse.class)
public static String extractPluginNameFromIconSrc(String iconSrc) {
if (iconSrc == null) {
return "";
}
if (!iconSrc.contains("plugin-")) {
return "";
}
String[] arr = iconSrc.split(" ");
for (String element : arr) {
if (element.startsWith("plugin-")) {
return element.replaceFirst("plugin-", "");
}
}
return "";
}
@Restricted(NoExternalUse.class)
public static String tryGetIconPath(String iconGuess, JellyContext context) {
if (iconGuess == null) {
return null;
}
if (iconGuess.startsWith("symbol-")) {
return iconGuess;
}
StaplerRequest2 currentRequest = Stapler.getCurrentRequest2();
String rootURL = currentRequest.getContextPath();
Icon iconMetadata = tryGetIcon(iconGuess);
String iconSource;
if (iconMetadata != null) {
iconSource = IconSet.tryTranslateTangoIconToSymbol(iconMetadata.getClassSpec(), () -> iconMetadata.getQualifiedUrl(context));
} else {
iconSource = guessIcon(iconGuess, rootURL);
}
return iconSource;
}
static String guessIcon(String iconGuess, String rootURL) {
String iconSource;
//noinspection HttpUrlsUsage
if (iconGuess.startsWith("http://") || iconGuess.startsWith("https://")) {
iconSource = iconGuess;
} else {
if (!iconGuess.startsWith("/")) {
iconGuess = "/" + iconGuess;
}
if (iconGuess.startsWith(rootURL)) {
if ((!rootURL.equals("/images") && !rootURL.equals("/plugin")) || iconGuess.startsWith(rootURL + rootURL)) {
iconGuess = iconGuess.substring(rootURL.length());
}
}
iconSource = rootURL + (iconGuess.startsWith("/images/") || iconGuess.startsWith("/plugin/") ? getResourcePath() : "") + iconGuess;
}
return iconSource;
}
@SuppressFBWarnings(value = "PREDICTABLE_RANDOM", justification = "True randomness isn't necessary for form item IDs")
@Restricted(NoExternalUse.class)
public static String generateItemId() {
return String.valueOf(Math.floor(Math.random() * 3000));
}
/**
* Returns a grouped list of Detail objects for the given Actionable object
*/
@Restricted(NoExternalUse.class)
public static Map<DetailGroup, List<Detail>> getDetailsFor(Actionable object) {
ExtensionList<DetailGroup> groupsExtensionList = ExtensionList.lookup(DetailGroup.class);
List<ExtensionComponent<DetailGroup>> components = groupsExtensionList.getComponents();
Map<String, Double> detailGroupOrdinal = components.stream()
.collect(Collectors.toMap(
(k) -> k.getInstance().getClass().getName(),
ExtensionComponent::ordinal
));
Map<DetailGroup, List<Detail>> result = new TreeMap<>(Comparator.comparingDouble(d -> detailGroupOrdinal.get(d.getClass().getName())));
for (DetailFactory taf : DetailFactory.factoriesFor(object.getClass())) {
List<Detail> details = taf.createFor(object);
details.forEach(e -> result.computeIfAbsent(e.getGroup(), k -> new ArrayList<>()).add(e));
}
for (Map.Entry<DetailGroup, List<Detail>> entry : result.entrySet()) {
List<Detail> detailList = entry.getValue();
detailList.sort(Comparator.comparingInt(Detail::getOrder));
}
return result;
}
@Restricted(NoExternalUse.class)
public static ExtensionList<SearchFactory> getSearchFactories() {
return SearchFactory.all();
}
/**
* @param keyboardShortcut the shortcut to be translated
* @return the translated shortcut, e.g. CMD+K to ⌘+K for macOS, CTRL+K for Windows
*/
@Restricted(NoExternalUse.class)
public static String translateModifierKeysForUsersPlatform(String keyboardShortcut) {
StaplerRequest2 currentRequest = Stapler.getCurrentRequest2();
currentRequest.getWebApp().getDispatchValidator().allowDispatch(currentRequest, Stapler.getCurrentResponse2());
String userAgent = currentRequest.getHeader("User-Agent");
if (userAgent != null) {
List<String> platformsThatUseCommand = List.of("MAC", "IPHONE", "IPAD");
boolean useCmdKey = platformsThatUseCommand.stream().anyMatch(e -> userAgent.toUpperCase().contains(e));
return keyboardShortcut.replace("CMD", useCmdKey ? "" : "CTRL");
} else {
return keyboardShortcut;
}
}
@Restricted(NoExternalUse.class)
public static String formatMessage(String format, Object args) {
if (format == null) {
return args.toString();
}
return MessageFormat.format(format, args);
}
}