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//
//  ========================================================================
//  Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.server.handler;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.net.URLClassLoader;
import java.security.AccessController;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.EventListener;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.Future;

import javax.servlet.DispatcherType;
import javax.servlet.Filter;
import javax.servlet.FilterRegistration;
import javax.servlet.FilterRegistration.Dynamic;
import javax.servlet.RequestDispatcher;
import javax.servlet.Servlet;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextAttributeEvent;
import javax.servlet.ServletContextAttributeListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletException;
import javax.servlet.ServletRegistration;
import javax.servlet.ServletRequestAttributeListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.SessionCookieConfig;
import javax.servlet.SessionTrackingMode;
import javax.servlet.descriptor.JspConfigDescriptor;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.eclipse.jetty.http.MimeTypes;
import org.eclipse.jetty.server.ClassLoaderDump;
import org.eclipse.jetty.server.Dispatcher;
import org.eclipse.jetty.server.Handler;
import org.eclipse.jetty.server.HandlerContainer;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.util.Attributes;
import org.eclipse.jetty.util.AttributesMap;
import org.eclipse.jetty.util.FutureCallback;
import org.eclipse.jetty.util.Loader;
import org.eclipse.jetty.util.StringUtil;
import org.eclipse.jetty.util.URIUtil;
import org.eclipse.jetty.util.annotation.ManagedAttribute;
import org.eclipse.jetty.util.annotation.ManagedObject;
import org.eclipse.jetty.util.component.Graceful;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.eclipse.jetty.util.resource.Resource;

/* ------------------------------------------------------------ */
/**
 * ContextHandler.
 *
 * This handler wraps a call to handle by setting the context and servlet path, plus setting the context classloader.
 *
 * 

* If the context init parameter "org.eclipse.jetty.server.context.ManagedAttributes" is set to a comma separated list of names, then they are treated as * context attribute names, which if set as attributes are passed to the servers Container so that they may be managed with JMX. *

* The maximum size of a form that can be processed by this context is controlled by the system properties org.eclipse.jetty.server.Request.maxFormKeys * and org.eclipse.jetty.server.Request.maxFormContentSize. These can also be configured with {@link #setMaxFormContentSize(int)} and {@link #setMaxFormKeys(int)} *

* This servers executore is made available via a context attributed "org.eclipse.jetty.server.Executor". * * @org.apache.xbean.XBean description="Creates a basic HTTP context" */ @ManagedObject("URI Context") public class ContextHandler extends ScopedHandler implements Attributes, Graceful { public final static int SERVLET_MAJOR_VERSION=3; public final static int SERVLET_MINOR_VERSION=1; public static final Class[] SERVLET_LISTENER_TYPES = new Class[] {ServletContextListener.class, ServletContextAttributeListener.class, ServletRequestListener.class, ServletRequestAttributeListener.class}; public static final int DEFAULT_LISTENER_TYPE_INDEX = 1; public static final int EXTENDED_LISTENER_TYPE_INDEX = 0; final private static String __unimplmented="Unimplemented - use org.eclipse.jetty.servlet.ServletContextHandler"; private static final Logger LOG = Log.getLogger(ContextHandler.class); private static final ThreadLocal __context = new ThreadLocal(); /** * If a context attribute with this name is set, it is interpreted as a comma separated list of attribute name. Any other context attributes that are set * with a name from this list will result in a call to {@link #setManagedAttribute(String, Object)}, which typically initiates the creation of a JMX MBean * for the attribute value. */ public static final String MANAGED_ATTRIBUTES = "org.eclipse.jetty.server.context.ManagedAttributes"; /* ------------------------------------------------------------ */ /** * Get the current ServletContext implementation. * * @return ServletContext implementation */ public static Context getCurrentContext() { return __context.get(); } /* ------------------------------------------------------------ */ public static ContextHandler getContextHandler(ServletContext context) { if(context instanceof ContextHandler.Context) return ((ContextHandler.Context)context).getContextHandler(); Context c= getCurrentContext(); if (c!=null) return c.getContextHandler(); return null; } protected Context _scontext; private final AttributesMap _attributes; private final Map _initParams; private ClassLoader _classLoader; private String _contextPath = "/"; private String _displayName; private Resource _baseResource; private MimeTypes _mimeTypes; private Map _localeEncodingMap; private String[] _welcomeFiles; private ErrorHandler _errorHandler; private String[] _vhosts; private Logger _logger; private boolean _allowNullPathInfo; private int _maxFormKeys = Integer.getInteger("org.eclipse.jetty.server.Request.maxFormKeys",-1).intValue(); private int _maxFormContentSize = Integer.getInteger("org.eclipse.jetty.server.Request.maxFormContentSize",-1).intValue(); private boolean _compactPath = false; private final List _eventListeners=new CopyOnWriteArrayList<>(); private final List _programmaticListeners=new CopyOnWriteArrayList<>(); private final List _contextListeners=new CopyOnWriteArrayList<>(); private final List _contextAttributeListeners=new CopyOnWriteArrayList<>(); private final List _requestListeners=new CopyOnWriteArrayList<>(); private final List _requestAttributeListeners=new CopyOnWriteArrayList<>(); private final List _durableListeners = new CopyOnWriteArrayList<>(); private Map _managedAttributes; private String[] _protectedTargets; private final CopyOnWriteArrayList _aliasChecks = new CopyOnWriteArrayList(); public enum Availability { UNAVAILABLE,STARTING,AVAILABLE,SHUTDOWN,}; private volatile Availability _availability; /* ------------------------------------------------------------ */ /** * */ public ContextHandler() { super(); _scontext = new Context(); _attributes = new AttributesMap(); _initParams = new HashMap(); addAliasCheck(new ApproveNonExistentDirectoryAliases()); } /* ------------------------------------------------------------ */ /** * */ protected ContextHandler(Context context) { super(); _scontext = context; _attributes = new AttributesMap(); _initParams = new HashMap(); addAliasCheck(new ApproveNonExistentDirectoryAliases()); } /* ------------------------------------------------------------ */ /** * */ public ContextHandler(String contextPath) { this(); setContextPath(contextPath); } /* ------------------------------------------------------------ */ /** * */ public ContextHandler(HandlerContainer parent, String contextPath) { this(); setContextPath(contextPath); if (parent instanceof HandlerWrapper) ((HandlerWrapper)parent).setHandler(this); else if (parent instanceof HandlerCollection) ((HandlerCollection)parent).addHandler(this); } /* ------------------------------------------------------------ */ @Override public void dump(Appendable out, String indent) throws IOException { dumpBeans(out,indent, Collections.singletonList(new ClassLoaderDump(getClassLoader())), _initParams.entrySet(), _attributes.getAttributeEntrySet(), _scontext.getAttributeEntrySet()); } /* ------------------------------------------------------------ */ public Context getServletContext() { return _scontext; } /* ------------------------------------------------------------ */ /** * @return the allowNullPathInfo true if /context is not redirected to /context/ */ @ManagedAttribute("Checks if the /context is not redirected to /context/") public boolean getAllowNullPathInfo() { return _allowNullPathInfo; } /* ------------------------------------------------------------ */ /** * @param allowNullPathInfo * true if /context is not redirected to /context/ */ public void setAllowNullPathInfo(boolean allowNullPathInfo) { _allowNullPathInfo = allowNullPathInfo; } /* ------------------------------------------------------------ */ @Override public void setServer(Server server) { super.setServer(server); if (_errorHandler != null) _errorHandler.setServer(server); } /* ------------------------------------------------------------ */ /** * Set the virtual hosts for the context. Only requests that have a matching host header or fully qualified URL will be passed to that context with a * virtual host name. A context with no virtual host names or a null virtual host name is available to all requests that are not served by a context with a * matching virtual host name. * * @param vhosts * Array of virtual hosts that this context responds to. A null host name or null/empty array means any hostname is acceptable. Host names may be * String representation of IP addresses. Host names may start with '*.' to wildcard one level of names. Hosts may start with '@', in which case they * will match the {@link Connector#getName()} for the request. */ public void setVirtualHosts(String[] vhosts) { if (vhosts == null) { _vhosts = vhosts; } else { _vhosts = new String[vhosts.length]; for (int i = 0; i < vhosts.length; i++) _vhosts[i] = normalizeHostname(vhosts[i]); } } /* ------------------------------------------------------------ */ /** Either set virtual hosts or add to an existing set of virtual hosts. * * @param virtualHosts * Array of virtual hosts that this context responds to. A null host name or null/empty array means any hostname is acceptable. Host names may be * String representation of IP addresses. Host names may start with '*.' to wildcard one level of names. Host names may start with '@', in which case they * will match the {@link Connector#getName()} for the request. */ public void addVirtualHosts(String[] virtualHosts) { if (virtualHosts == null) // since this is add, we don't null the old ones { return; } else { List currentVirtualHosts = null; if (_vhosts != null) { currentVirtualHosts = new ArrayList(Arrays.asList(_vhosts)); } else { currentVirtualHosts = new ArrayList(); } for (int i = 0; i < virtualHosts.length; i++) { String normVhost = normalizeHostname(virtualHosts[i]); if (!currentVirtualHosts.contains(normVhost)) { currentVirtualHosts.add(normVhost); } } _vhosts = currentVirtualHosts.toArray(new String[0]); } } /* ------------------------------------------------------------ */ /** * Removes an array of virtual host entries, if this removes all entries the _vhosts will be set to null * * @param virtualHosts * Array of virtual hosts that this context responds to. A null host name or null/empty array means any hostname is acceptable. Host names may be * String representation of IP addresses. Host names may start with '*.' to wildcard one level of names. */ public void removeVirtualHosts(String[] virtualHosts) { if (virtualHosts == null) { return; // do nothing } else if ( _vhosts == null || _vhosts.length == 0) { return; // do nothing } else { List existingVirtualHosts = new ArrayList(Arrays.asList(_vhosts)); for (int i = 0; i < virtualHosts.length; i++) { String toRemoveVirtualHost = normalizeHostname(virtualHosts[i]); if (existingVirtualHosts.contains(toRemoveVirtualHost)) { existingVirtualHosts.remove(toRemoveVirtualHost); } } if (existingVirtualHosts.isEmpty()) { _vhosts = null; // if we ended up removing them all, just null out _vhosts } else { _vhosts = existingVirtualHosts.toArray(new String[0]); } } } /* ------------------------------------------------------------ */ /** * Get the virtual hosts for the context. Only requests that have a matching host header or fully qualified URL will be passed to that context with a * virtual host name. A context with no virtual host names or a null virtual host name is available to all requests that are not served by a context with a * matching virtual host name. * * @return Array of virtual hosts that this context responds to. A null host name or empty array means any hostname is acceptable. Host names may be String * representation of IP addresses. Host names may start with '*.' to wildcard one level of names. */ @ManagedAttribute(value="Virtual hosts accepted by the context", readonly=true) public String[] getVirtualHosts() { return _vhosts; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttribute(java.lang.String) */ @Override public Object getAttribute(String name) { return _attributes.getAttribute(name); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttributeNames() */ @Override public Enumeration getAttributeNames() { return AttributesMap.getAttributeNamesCopy(_attributes); } /* ------------------------------------------------------------ */ /** * @return Returns the attributes. */ public Attributes getAttributes() { return _attributes; } /* ------------------------------------------------------------ */ /** * @return Returns the classLoader. */ public ClassLoader getClassLoader() { return _classLoader; } /* ------------------------------------------------------------ */ /** * Make best effort to extract a file classpath from the context classloader * * @return Returns the classLoader. */ @ManagedAttribute("The file classpath") public String getClassPath() { if (_classLoader == null || !(_classLoader instanceof URLClassLoader)) return null; URLClassLoader loader = (URLClassLoader)_classLoader; URL[] urls = loader.getURLs(); StringBuilder classpath = new StringBuilder(); for (int i = 0; i < urls.length; i++) { try { Resource resource = newResource(urls[i]); File file = resource.getFile(); if (file != null && file.exists()) { if (classpath.length() > 0) classpath.append(File.pathSeparatorChar); classpath.append(file.getAbsolutePath()); } } catch (IOException e) { LOG.debug(e); } } if (classpath.length() == 0) return null; return classpath.toString(); } /* ------------------------------------------------------------ */ /** * @return Returns the _contextPath. */ @ManagedAttribute("True if URLs are compacted to replace the multiple '/'s with a single '/'") public String getContextPath() { return _contextPath; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameter(java.lang.String) */ public String getInitParameter(String name) { return _initParams.get(name); } /* ------------------------------------------------------------ */ /* */ public String setInitParameter(String name, String value) { return _initParams.put(name,value); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameterNames() */ public Enumeration getInitParameterNames() { return Collections.enumeration(_initParams.keySet()); } /* ------------------------------------------------------------ */ /** * @return Returns the initParams. */ @ManagedAttribute("Initial Parameter map for the context") public Map getInitParams() { return _initParams; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServletContextName() */ @ManagedAttribute(value="Display name of the Context", readonly=true) public String getDisplayName() { return _displayName; } /* ------------------------------------------------------------ */ public EventListener[] getEventListeners() { return _eventListeners.toArray(new EventListener[_eventListeners.size()]); } /* ------------------------------------------------------------ */ /** * Set the context event listeners. * * @param eventListeners * the event listeners * @see ServletContextListener * @see ServletContextAttributeListener * @see ServletRequestListener * @see ServletRequestAttributeListener */ public void setEventListeners(EventListener[] eventListeners) { _contextListeners.clear(); _contextAttributeListeners.clear(); _requestListeners.clear(); _requestAttributeListeners.clear(); _eventListeners.clear(); if (eventListeners!=null) for (EventListener listener : eventListeners) addEventListener(listener); } /* ------------------------------------------------------------ */ /** * Add a context event listeners. * * @see ServletContextListener * @see ServletContextAttributeListener * @see ServletRequestListener * @see ServletRequestAttributeListener */ public void addEventListener(EventListener listener) { _eventListeners.add(listener); if (!(isStarted() || isStarting())) _durableListeners.add(listener); if (listener instanceof ServletContextListener) _contextListeners.add((ServletContextListener)listener); if (listener instanceof ServletContextAttributeListener) _contextAttributeListeners.add((ServletContextAttributeListener)listener); if (listener instanceof ServletRequestListener) _requestListeners.add((ServletRequestListener)listener); if (listener instanceof ServletRequestAttributeListener) _requestAttributeListeners.add((ServletRequestAttributeListener)listener); } /* ------------------------------------------------------------ */ /** * Remove a context event listeners. * * @see ServletContextListener * @see ServletContextAttributeListener * @see ServletRequestListener * @see ServletRequestAttributeListener */ public void removeEventListener(EventListener listener) { _eventListeners.remove(listener); if (listener instanceof ServletContextListener) _contextListeners.remove(listener); if (listener instanceof ServletContextAttributeListener) _contextAttributeListeners.remove(listener); if (listener instanceof ServletRequestListener) _requestListeners.remove(listener); if (listener instanceof ServletRequestAttributeListener) _requestAttributeListeners.remove(listener); } /* ------------------------------------------------------------ */ /** * Apply any necessary restrictions on a programmatic added listener. * * @param listener */ protected void addProgrammaticListener (EventListener listener) { _programmaticListeners.add(listener); } /* ------------------------------------------------------------ */ protected boolean isProgrammaticListener(EventListener listener) { return _programmaticListeners.contains(listener); } /* ------------------------------------------------------------ */ /** * @return true if this context is accepting new requests */ @ManagedAttribute("true for graceful shutdown, which allows existing requests to complete") public boolean isShutdown() { switch(_availability) { case SHUTDOWN: return true; default: return false; } } /* ------------------------------------------------------------ */ /** * Set shutdown status. This field allows for graceful shutdown of a context. A started context may be put into non accepting state so that existing * requests can complete, but no new requests are accepted. * */ @Override public Future shutdown() { _availability = isRunning() ? Availability.SHUTDOWN : Availability.UNAVAILABLE; return new FutureCallback(true); } /* ------------------------------------------------------------ */ /** * @return false if this context is unavailable (sends 503) */ public boolean isAvailable() { return _availability==Availability.AVAILABLE; } /* ------------------------------------------------------------ */ /** * Set Available status. */ public void setAvailable(boolean available) { synchronized (this) { if (available && isRunning()) _availability = Availability.AVAILABLE; else if (!available || !isRunning()) _availability = Availability.UNAVAILABLE; } } /* ------------------------------------------------------------ */ public Logger getLogger() { return _logger; } /* ------------------------------------------------------------ */ public void setLogger(Logger logger) { _logger = logger; } /* ------------------------------------------------------------ */ /* * @see org.eclipse.thread.AbstractLifeCycle#doStart() */ @Override protected void doStart() throws Exception { _availability = Availability.STARTING; if (_contextPath == null) throw new IllegalStateException("Null contextPath"); _logger = Log.getLogger(getDisplayName() == null?getContextPath():getDisplayName()); ClassLoader old_classloader = null; Thread current_thread = null; Context old_context = null; _attributes.setAttribute("org.eclipse.jetty.server.Executor",getServer().getThreadPool()); try { // Set the classloader if (_classLoader != null) { current_thread = Thread.currentThread(); old_classloader = current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } if (_mimeTypes == null) _mimeTypes = new MimeTypes(); old_context = __context.get(); __context.set(_scontext); // defers the calling of super.doStart() startContext(); _availability = Availability.AVAILABLE; LOG.info("Started {}", this); } finally { __context.set(old_context); // reset the classloader if (_classLoader != null && current_thread!=null) current_thread.setContextClassLoader(old_classloader); } } /* ------------------------------------------------------------ */ /** * Extensible startContext. this method is called from {@link ContextHandler#doStart()} instead of a call to super.doStart(). This allows derived classes to * insert additional handling (Eg configuration) before the call to super.doStart by this method will start contained handlers. * * @see org.eclipse.jetty.server.handler.ContextHandler.Context */ protected void startContext() throws Exception { String managedAttributes = _initParams.get(MANAGED_ATTRIBUTES); if (managedAttributes != null) { _managedAttributes = new HashMap(); String[] attributes = managedAttributes.split(","); for (String attribute : attributes) { _managedAttributes.put(attribute.trim(),null); } Enumeration e = _scontext.getAttributeNames(); while (e.hasMoreElements()) { String name = e.nextElement(); Object value = _scontext.getAttribute(name); checkManagedAttribute(name,value); } } super.doStart(); // Call context listeners if (!_contextListeners.isEmpty()) { ServletContextEvent event = new ServletContextEvent(_scontext); for (ServletContextListener listener:_contextListeners) callContextInitialized(listener, event); } } /* ------------------------------------------------------------ */ protected void callContextInitialized (ServletContextListener l, ServletContextEvent e) { if (LOG.isDebugEnabled()) LOG.debug("contextInitialized: {}->{}",e,l); l.contextInitialized(e); } /* ------------------------------------------------------------ */ protected void callContextDestroyed (ServletContextListener l, ServletContextEvent e) { if (LOG.isDebugEnabled()) LOG.debug("contextDestroyed: {}->{}",e,l); l.contextDestroyed(e); } /* ------------------------------------------------------------ */ /* * @see org.eclipse.thread.AbstractLifeCycle#doStop() */ @Override protected void doStop() throws Exception { _availability = Availability.UNAVAILABLE; ClassLoader old_classloader = null; Thread current_thread = null; Context old_context = __context.get(); __context.set(_scontext); try { // Set the classloader if (_classLoader != null) { current_thread = Thread.currentThread(); old_classloader = current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } super.doStop(); // Context listeners if (!_contextListeners.isEmpty()) { ServletContextEvent event = new ServletContextEvent(_scontext); for (int i = _contextListeners.size(); i-->0;) callContextDestroyed(_contextListeners.get(i),event); } //retain only durable listeners setEventListeners(_durableListeners.toArray(new EventListener[_durableListeners.size()])); _durableListeners.clear(); if (_errorHandler != null) _errorHandler.stop(); Enumeration e = _scontext.getAttributeNames(); while (e.hasMoreElements()) { String name = e.nextElement(); checkManagedAttribute(name,null); } for (EventListener l : _programmaticListeners) removeEventListener(l); _programmaticListeners.clear(); } finally { LOG.info("Stopped {}", this); __context.set(old_context); // reset the classloader if (_classLoader != null && current_thread!=null) current_thread.setContextClassLoader(old_classloader); } _scontext.clearAttributes(); } public boolean checkVirtualHost(final Request baseRequest) { if (_vhosts != null && _vhosts.length > 0) { String vhost = normalizeHostname(baseRequest.getServerName()); boolean match = false; boolean connectorName = false; boolean connectorMatch = false; for (String contextVhost:_vhosts) { if (contextVhost == null || contextVhost.length()==0) continue; char c=contextVhost.charAt(0); switch (c) { case '*': if (contextVhost.startsWith("*.")) // wildcard only at the beginning, and only for one additional subdomain level match = match || contextVhost.regionMatches(true,2,vhost,vhost.indexOf(".") + 1,contextVhost.length() - 2); break; case '@': connectorName=true; String name=baseRequest.getHttpChannel().getConnector().getName(); boolean m=name!=null && contextVhost.length()==name.length()+1 && contextVhost.endsWith(name); match = match || m; connectorMatch = connectorMatch || m; break; default: match = match || contextVhost.equalsIgnoreCase(vhost); } } if (!match || connectorName && !connectorMatch) return false; } return true; } public boolean checkContextPath(String uri) { // Are we not the root context? if (_contextPath.length() > 1) { // reject requests that are not for us if (!uri.startsWith(_contextPath)) return false; if (uri.length() > _contextPath.length() && uri.charAt(_contextPath.length()) != '/') return false; } return true; } /* ------------------------------------------------------------ */ /* * @see org.eclipse.jetty.server.Handler#handle(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse) */ public boolean checkContext(final String target, final Request baseRequest, final HttpServletResponse response) throws IOException { DispatcherType dispatch = baseRequest.getDispatcherType(); // Check the vhosts if (!checkVirtualHost(baseRequest)) return false; if (!checkContextPath(target)) return false; // Are we not the root context? // redirect null path infos if (!_allowNullPathInfo && _contextPath.length() == target.length() && _contextPath.length()>1) { // context request must end with / baseRequest.setHandled(true); if (baseRequest.getQueryString() != null) response.sendRedirect(URIUtil.addPaths(baseRequest.getRequestURI(),URIUtil.SLASH) + "?" + baseRequest.getQueryString()); else response.sendRedirect(URIUtil.addPaths(baseRequest.getRequestURI(),URIUtil.SLASH)); return false; } switch (_availability) { case SHUTDOWN: case UNAVAILABLE: baseRequest.setHandled(true); response.sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE); return false; default: if ((DispatcherType.REQUEST.equals(dispatch) && baseRequest.isHandled())) return false; } return true; } /* ------------------------------------------------------------ */ /** * @see org.eclipse.jetty.server.handler.ScopedHandler#doScope(java.lang.String, org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, * javax.servlet.http.HttpServletResponse) */ @Override public void doScope(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { if (LOG.isDebugEnabled()) LOG.debug("scope {}|{}|{} @ {}",baseRequest.getContextPath(),baseRequest.getServletPath(),baseRequest.getPathInfo(),this); Context old_context = null; String old_context_path = null; String old_servlet_path = null; String old_path_info = null; ClassLoader old_classloader = null; Thread current_thread = null; String pathInfo = target; DispatcherType dispatch = baseRequest.getDispatcherType(); old_context = baseRequest.getContext(); // Are we already in this context? if (old_context != _scontext) { // check the target. if (DispatcherType.REQUEST.equals(dispatch) || DispatcherType.ASYNC.equals(dispatch) || DispatcherType.ERROR.equals(dispatch) && baseRequest.getHttpChannelState().isAsync()) { if (_compactPath) target = URIUtil.compactPath(target); if (!checkContext(target,baseRequest,response)) return; if (target.length() > _contextPath.length()) { if (_contextPath.length() > 1) target = target.substring(_contextPath.length()); pathInfo = target; } else if (_contextPath.length() == 1) { target = URIUtil.SLASH; pathInfo = URIUtil.SLASH; } else { target = URIUtil.SLASH; pathInfo = null; } } // Set the classloader if (_classLoader != null) { current_thread = Thread.currentThread(); old_classloader = current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } } try { old_context_path = baseRequest.getContextPath(); old_servlet_path = baseRequest.getServletPath(); old_path_info = baseRequest.getPathInfo(); // Update the paths baseRequest.setContext(_scontext); __context.set(_scontext); if (!DispatcherType.INCLUDE.equals(dispatch) && target.startsWith("/")) { if (_contextPath.length() == 1) baseRequest.setContextPath(""); else baseRequest.setContextPath(_contextPath); baseRequest.setServletPath(null); baseRequest.setPathInfo(pathInfo); } if (LOG.isDebugEnabled()) LOG.debug("context={}|{}|{} @ {}",baseRequest.getContextPath(),baseRequest.getServletPath(), baseRequest.getPathInfo(),this); // start manual inline of nextScope(target,baseRequest,request,response); if (never()) nextScope(target,baseRequest,request,response); else if (_nextScope != null) _nextScope.doScope(target,baseRequest,request,response); else if (_outerScope != null) _outerScope.doHandle(target,baseRequest,request,response); else doHandle(target,baseRequest,request,response); // end manual inline (pathentic attempt to reduce stack depth) } finally { if (old_context != _scontext) { // reset the classloader if (_classLoader != null && current_thread!=null) { current_thread.setContextClassLoader(old_classloader); } // reset the context and servlet path. baseRequest.setContext(old_context); __context.set(old_context); baseRequest.setContextPath(old_context_path); baseRequest.setServletPath(old_servlet_path); baseRequest.setPathInfo(old_path_info); } } } /* ------------------------------------------------------------ */ /** * @see org.eclipse.jetty.server.handler.ScopedHandler#doHandle(java.lang.String, org.eclipse.jetty.server.Request, javax.servlet.http.HttpServletRequest, * javax.servlet.http.HttpServletResponse) */ @Override public void doHandle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { final DispatcherType dispatch = baseRequest.getDispatcherType(); final boolean new_context = baseRequest.takeNewContext(); try { if (new_context) { // Handle the REALLY SILLY request events! if (!_requestAttributeListeners.isEmpty()) for (ServletRequestAttributeListener l :_requestAttributeListeners) baseRequest.addEventListener(l); if (!_requestListeners.isEmpty()) { final ServletRequestEvent sre = new ServletRequestEvent(_scontext,request); for (ServletRequestListener l : _requestListeners) l.requestInitialized(sre); } } if (DispatcherType.REQUEST.equals(dispatch) && isProtectedTarget(target)) { response.sendError(HttpServletResponse.SC_NOT_FOUND); baseRequest.setHandled(true); return; } // start manual inline of nextHandle(target,baseRequest,request,response); // noinspection ConstantIfStatement if (never()) nextHandle(target,baseRequest,request,response); else if (_nextScope != null && _nextScope == _handler) _nextScope.doHandle(target,baseRequest,request,response); else if (_handler != null) _handler.handle(target,baseRequest,request,response); // end manual inline } finally { // Handle more REALLY SILLY request events! if (new_context) { if (!_requestListeners.isEmpty()) { final ServletRequestEvent sre = new ServletRequestEvent(_scontext,request); for (int i=_requestListeners.size();i-->0;) _requestListeners.get(i).requestDestroyed(sre); } if (!_requestAttributeListeners.isEmpty()) { for (int i=_requestAttributeListeners.size();i-->0;) baseRequest.removeEventListener(_requestAttributeListeners.get(i)); } } } } /* ------------------------------------------------------------ */ /* * Handle a runnable in this context */ public void handle(Runnable runnable) { ClassLoader old_classloader = null; Thread current_thread = null; Context old_context = null; try { old_context = __context.get(); __context.set(_scontext); // Set the classloader if (_classLoader != null) { current_thread = Thread.currentThread(); old_classloader = current_thread.getContextClassLoader(); current_thread.setContextClassLoader(_classLoader); } runnable.run(); } finally { __context.set(old_context); if (old_classloader != null && current_thread!=null) { current_thread.setContextClassLoader(old_classloader); } } } /* ------------------------------------------------------------ */ /** * Check the target. Called by {@link #handle(String, Request, HttpServletRequest, HttpServletResponse)} when a target within a context is determined. If * the target is protected, 404 is returned. */ /* ------------------------------------------------------------ */ public boolean isProtectedTarget(String target) { if (target == null || _protectedTargets == null) return false; while (target.startsWith("//")) target=URIUtil.compactPath(target); for (int i=0; i<_protectedTargets.length; i++) { String t=_protectedTargets[i]; if (StringUtil.startsWithIgnoreCase(target,t)) { if (target.length()==t.length()) return true; // Check that the target prefix really is a path segment, thus // it can end with /, a query, a target or a parameter char c=target.charAt(t.length()); if (c=='/'||c=='?'||c=='#'||c==';') return true; } } return false; } /* ------------------------------------------------------------ */ /** * @param targets Array of URL prefix. Each prefix is in the form /path and will match * either /path exactly or /path/anything */ public void setProtectedTargets (String[] targets) { if (targets == null) { _protectedTargets = null; return; } _protectedTargets = Arrays.copyOf(targets, targets.length); } /* ------------------------------------------------------------ */ public String[] getProtectedTargets() { if (_protectedTargets == null) return null; return Arrays.copyOf(_protectedTargets, _protectedTargets.length); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#removeAttribute(java.lang.String) */ @Override public void removeAttribute(String name) { checkManagedAttribute(name,null); _attributes.removeAttribute(name); } /* ------------------------------------------------------------ */ /* * Set a context attribute. Attributes set via this API cannot be overriden by the ServletContext.setAttribute API. Their lifecycle spans the stop/start of * a context. No attribute listener events are triggered by this API. * * @see javax.servlet.ServletContext#setAttribute(java.lang.String, java.lang.Object) */ @Override public void setAttribute( String name, Object value) { checkManagedAttribute(name,value); _attributes.setAttribute(name,value); } /* ------------------------------------------------------------ */ /** * @param attributes * The attributes to set. */ public void setAttributes(Attributes attributes) { _attributes.clearAttributes(); _attributes.addAll(attributes); Enumeration e = _attributes.getAttributeNames(); while (e.hasMoreElements()) { String name = e.nextElement(); checkManagedAttribute(name,attributes.getAttribute(name)); } } /* ------------------------------------------------------------ */ @Override public void clearAttributes() { Enumeration e = _attributes.getAttributeNames(); while (e.hasMoreElements()) { String name = e.nextElement(); checkManagedAttribute(name,null); } _attributes.clearAttributes(); } /* ------------------------------------------------------------ */ public void checkManagedAttribute(String name, Object value) { if (_managedAttributes != null && _managedAttributes.containsKey(name)) { setManagedAttribute(name,value); } } /* ------------------------------------------------------------ */ public void setManagedAttribute(String name, Object value) { Object old = _managedAttributes.put(name,value); updateBean(old,value); } /* ------------------------------------------------------------ */ /** * @param classLoader * The classLoader to set. */ public void setClassLoader(ClassLoader classLoader) { _classLoader = classLoader; } /* ------------------------------------------------------------ */ /** * @param contextPath * The _contextPath to set. */ public void setContextPath(String contextPath) { if (contextPath == null) throw new IllegalArgumentException("null contextPath"); if (contextPath.endsWith("/*")) { LOG.warn(this+" contextPath ends with /*"); contextPath=contextPath.substring(0,contextPath.length()-2); } else if (contextPath.length()>1 && contextPath.endsWith("/")) { LOG.warn(this+" contextPath ends with /"); contextPath=contextPath.substring(0,contextPath.length()-1); } if (contextPath.length()==0) { LOG.warn("Empty contextPath"); contextPath="/"; } _contextPath = contextPath; if (getServer() != null && (getServer().isStarting() || getServer().isStarted())) { Handler[] contextCollections = getServer().getChildHandlersByClass(ContextHandlerCollection.class); for (int h = 0; contextCollections != null && h < contextCollections.length; h++) ((ContextHandlerCollection)contextCollections[h]).mapContexts(); } } /* ------------------------------------------------------------ */ /** * @param servletContextName * The servletContextName to set. */ public void setDisplayName(String servletContextName) { _displayName = servletContextName; } /* ------------------------------------------------------------ */ /** * @return Returns the resourceBase. */ public Resource getBaseResource() { if (_baseResource == null) return null; return _baseResource; } /* ------------------------------------------------------------ */ /** * @return Returns the base resource as a string. */ @ManagedAttribute("document root for context") public String getResourceBase() { if (_baseResource == null) return null; return _baseResource.toString(); } /* ------------------------------------------------------------ */ /** * Set the base resource for this context. * @param base The resource used as the base for all static content of this context. * @see #setResourceBase(String) */ public void setBaseResource(Resource base) { _baseResource = base; } /* ------------------------------------------------------------ */ /** * Set the base resource for this context. * @param resourceBase A string representing the base resource for the context. Any string accepted * by {@link Resource#newResource(String)} may be passed and the call is equivalent to * setBaseResource(newResource(resourceBase)); */ public void setResourceBase(String resourceBase) { try { setBaseResource(newResource(resourceBase)); } catch (Exception e) { LOG.warn(e.toString()); LOG.debug(e); throw new IllegalArgumentException(resourceBase); } } /* ------------------------------------------------------------ */ /** * @return Returns the mimeTypes. */ public MimeTypes getMimeTypes() { if (_mimeTypes == null) _mimeTypes = new MimeTypes(); return _mimeTypes; } /* ------------------------------------------------------------ */ /** * @param mimeTypes * The mimeTypes to set. */ public void setMimeTypes(MimeTypes mimeTypes) { _mimeTypes = mimeTypes; } /* ------------------------------------------------------------ */ /** */ public void setWelcomeFiles(String[] files) { _welcomeFiles = files; } /* ------------------------------------------------------------ */ /** * @return The names of the files which the server should consider to be welcome files in this context. * @see The Servlet Specification * @see #setWelcomeFiles */ @ManagedAttribute(value="Partial URIs of directory welcome files", readonly=true) public String[] getWelcomeFiles() { return _welcomeFiles; } /* ------------------------------------------------------------ */ /** * @return Returns the errorHandler. */ @ManagedAttribute("The error handler to use for the context") public ErrorHandler getErrorHandler() { return _errorHandler; } /* ------------------------------------------------------------ */ /** * @param errorHandler * The errorHandler to set. */ public void setErrorHandler(ErrorHandler errorHandler) { if (errorHandler != null) errorHandler.setServer(getServer()); updateBean(_errorHandler,errorHandler); _errorHandler = errorHandler; } /* ------------------------------------------------------------ */ @ManagedAttribute("The maximum content size") public int getMaxFormContentSize() { return _maxFormContentSize; } /* ------------------------------------------------------------ */ /** * Set the maximum size of a form post, to protect against DOS attacks from large forms. * @param maxSize */ public void setMaxFormContentSize(int maxSize) { _maxFormContentSize = maxSize; } /* ------------------------------------------------------------ */ public int getMaxFormKeys() { return _maxFormKeys; } /* ------------------------------------------------------------ */ /** * Set the maximum number of form Keys to protect against DOS attack from crafted hash keys. * @param max */ public void setMaxFormKeys(int max) { _maxFormKeys = max; } /* ------------------------------------------------------------ */ /** * @return True if URLs are compacted to replace multiple '/'s with a single '/' */ public boolean isCompactPath() { return _compactPath; } /* ------------------------------------------------------------ */ /** * @param compactPath * True if URLs are compacted to replace multiple '/'s with a single '/' */ public void setCompactPath(boolean compactPath) { _compactPath = compactPath; } /* ------------------------------------------------------------ */ @Override public String toString() { String[] vhosts = getVirtualHosts(); StringBuilder b = new StringBuilder(); Package pkg = getClass().getPackage(); if (pkg != null) { String p = pkg.getName(); if (p != null && p.length() > 0) { String[] ss = p.split("\\."); for (String s : ss) b.append(s.charAt(0)).append('.'); } } b.append(getClass().getSimpleName()).append('@').append(Integer.toString(hashCode(),16)); b.append('{').append(getContextPath()).append(',').append(getBaseResource()).append(',').append(_availability); if (vhosts != null && vhosts.length > 0) b.append(',').append(vhosts[0]); b.append('}'); return b.toString(); } /* ------------------------------------------------------------ */ public synchronized Class loadClass(String className) throws ClassNotFoundException { if (className == null) return null; if (_classLoader == null) return Loader.loadClass(this.getClass(),className); return _classLoader.loadClass(className); } /* ------------------------------------------------------------ */ public void addLocaleEncoding(String locale, String encoding) { if (_localeEncodingMap == null) _localeEncodingMap = new HashMap(); _localeEncodingMap.put(locale,encoding); } /* ------------------------------------------------------------ */ public String getLocaleEncoding(String locale) { if (_localeEncodingMap == null) return null; String encoding = _localeEncodingMap.get(locale); return encoding; } /* ------------------------------------------------------------ */ /** * Get the character encoding for a locale. The full locale name is first looked up in the map of encodings. If no encoding is found, then the locale * language is looked up. * * @param locale * a Locale value * @return a String representing the character encoding for the locale or null if none found. */ public String getLocaleEncoding(Locale locale) { if (_localeEncodingMap == null) return null; String encoding = _localeEncodingMap.get(locale.toString()); if (encoding == null) encoding = _localeEncodingMap.get(locale.getLanguage()); return encoding; } /* ------------------------------------------------------------ */ /** * Get all of the locale encodings * * @return a map of all the locale encodings: key is name of the locale and value is the char encoding */ public Map getLocaleEncodings() { if (_localeEncodingMap == null) return null; return Collections.unmodifiableMap(_localeEncodingMap); } /* ------------------------------------------------------------ */ /* */ public Resource getResource(String path) throws MalformedURLException { if (path == null || !path.startsWith(URIUtil.SLASH)) throw new MalformedURLException(path); if (_baseResource == null) return null; try { path = URIUtil.canonicalPath(path); Resource resource = _baseResource.addPath(path); if (checkAlias(path,resource)) return resource; return null; } catch (Exception e) { LOG.ignore(e); } return null; } /* ------------------------------------------------------------ */ /** * @param path * @param resource * @return True if the alias is OK */ public boolean checkAlias(String path, Resource resource) { // Is the resource aliased? if (resource.getAlias() != null) { if (LOG.isDebugEnabled()) LOG.debug("Aliased resource: " + resource + "~=" + resource.getAlias()); // alias checks for (Iterator i=_aliasChecks.iterator();i.hasNext();) { AliasCheck check = i.next(); if (check.check(path,resource)) { if (LOG.isDebugEnabled()) LOG.debug("Aliased resource: " + resource + " approved by " + check); return true; } } return false; } return true; } /* ------------------------------------------------------------ */ /** * Convert URL to Resource wrapper for {@link Resource#newResource(URL)} enables extensions to provide alternate resource implementations. */ public Resource newResource(URL url) throws IOException { return Resource.newResource(url); } /* ------------------------------------------------------------ */ /** * Convert URL to Resource wrapper for {@link Resource#newResource(URL)} enables extensions to provide alternate resource implementations. */ public Resource newResource(URI uri) throws IOException { return Resource.newResource(uri); } /* ------------------------------------------------------------ */ /** * Convert a URL or path to a Resource. The default implementation is a wrapper for {@link Resource#newResource(String)}. * * @param urlOrPath * The URL or path to convert * @return The Resource for the URL/path * @throws IOException * The Resource could not be created. */ public Resource newResource(String urlOrPath) throws IOException { return Resource.newResource(urlOrPath); } /* ------------------------------------------------------------ */ /* */ public Set getResourcePaths(String path) { try { path = URIUtil.canonicalPath(path); Resource resource = getResource(path); if (resource != null && resource.exists()) { if (!path.endsWith(URIUtil.SLASH)) path = path + URIUtil.SLASH; String[] l = resource.list(); if (l != null) { HashSet set = new HashSet(); for (int i = 0; i < l.length; i++) set.add(path + l[i]); return set; } } } catch (Exception e) { LOG.ignore(e); } return Collections.emptySet(); } /* ------------------------------------------------------------ */ private String normalizeHostname(String host) { if (host == null) return null; if (host.endsWith(".")) return host.substring(0,host.length() - 1); return host; } /* ------------------------------------------------------------ */ /** * Add an AliasCheck instance to possibly permit aliased resources * @param check The alias checker */ public void addAliasCheck(AliasCheck check) { _aliasChecks.add(check); } /* ------------------------------------------------------------ */ /** * @return Mutable list of Alias checks */ public List getAliasChecks() { return _aliasChecks; } /* ------------------------------------------------------------ */ /** * @param checks list of AliasCheck instances */ public void setAliasChecks(List checks) { _aliasChecks.clear(); _aliasChecks.addAll(checks); } /* ------------------------------------------------------------ */ /** * Context. *

* A partial implementation of {@link javax.servlet.ServletContext}. A complete implementation is provided by the derived {@link ContextHandler}. *

* * */ public class Context extends NoContext { protected boolean _enabled = true; //whether or not the dynamic API is enabled for callers protected boolean _extendedListenerTypes = false; /* ------------------------------------------------------------ */ protected Context() { } /* ------------------------------------------------------------ */ public ContextHandler getContextHandler() { return ContextHandler.this; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getContext(java.lang.String) */ @Override public ServletContext getContext(String uripath) { List contexts = new ArrayList(); Handler[] handlers = getServer().getChildHandlersByClass(ContextHandler.class); String matched_path = null; for (Handler handler : handlers) { if (handler == null) continue; ContextHandler ch = (ContextHandler)handler; String context_path = ch.getContextPath(); if (uripath.equals(context_path) || (uripath.startsWith(context_path) && uripath.charAt(context_path.length()) == '/') || "/".equals(context_path)) { // look first for vhost matching context only if (getVirtualHosts() != null && getVirtualHosts().length > 0) { if (ch.getVirtualHosts() != null && ch.getVirtualHosts().length > 0) { for (String h1 : getVirtualHosts()) for (String h2 : ch.getVirtualHosts()) if (h1.equals(h2)) { if (matched_path == null || context_path.length() > matched_path.length()) { contexts.clear(); matched_path = context_path; } if (matched_path.equals(context_path)) contexts.add(ch); } } } else { if (matched_path == null || context_path.length() > matched_path.length()) { contexts.clear(); matched_path = context_path; } if (matched_path.equals(context_path)) contexts.add(ch); } } } if (contexts.size() > 0) return contexts.get(0)._scontext; // try again ignoring virtual hosts matched_path = null; for (Handler handler : handlers) { if (handler == null) continue; ContextHandler ch = (ContextHandler)handler; String context_path = ch.getContextPath(); if (uripath.equals(context_path) || (uripath.startsWith(context_path) && uripath.charAt(context_path.length()) == '/') || "/".equals(context_path)) { if (matched_path == null || context_path.length() > matched_path.length()) { contexts.clear(); matched_path = context_path; } if (matched_path != null && matched_path.equals(context_path)) contexts.add(ch); } } if (contexts.size() > 0) return contexts.get(0)._scontext; return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getMimeType(java.lang.String) */ @Override public String getMimeType(String file) { if (_mimeTypes == null) return null; return _mimeTypes.getMimeByExtension(file); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getRequestDispatcher(java.lang.String) */ @Override public RequestDispatcher getRequestDispatcher(String uriInContext) { if (uriInContext == null) return null; if (!uriInContext.startsWith("/")) return null; try { String query = null; int q = 0; if ((q = uriInContext.indexOf('?')) > 0) { query = uriInContext.substring(q + 1); uriInContext = uriInContext.substring(0,q); } String pathInContext = URIUtil.canonicalPath(URIUtil.decodePath(uriInContext)); if (pathInContext!=null) { String uri = URIUtil.addPaths(getContextPath(),uriInContext); ContextHandler context = ContextHandler.this; return new Dispatcher(context,uri,pathInContext,query); } } catch (Exception e) { LOG.ignore(e); } return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getRealPath(java.lang.String) */ @Override public String getRealPath(String path) { if (path == null) return null; if (path.length() == 0) path = URIUtil.SLASH; else if (path.charAt(0) != '/') path = URIUtil.SLASH + path; try { Resource resource = ContextHandler.this.getResource(path); if (resource != null) { File file = resource.getFile(); if (file != null) return file.getCanonicalPath(); } } catch (Exception e) { LOG.ignore(e); } return null; } /* ------------------------------------------------------------ */ @Override public URL getResource(String path) throws MalformedURLException { Resource resource = ContextHandler.this.getResource(path); if (resource != null && resource.exists()) return resource.getURL(); return null; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getResourceAsStream(java.lang.String) */ @Override public InputStream getResourceAsStream(String path) { try { URL url = getResource(path); if (url == null) return null; Resource r = Resource.newResource(url); return r.getInputStream(); } catch (Exception e) { LOG.ignore(e); return null; } } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getResourcePaths(java.lang.String) */ @Override public Set getResourcePaths(String path) { return ContextHandler.this.getResourcePaths(path); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#log(java.lang.Exception, java.lang.String) */ @Override public void log(Exception exception, String msg) { _logger.warn(msg,exception); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#log(java.lang.String) */ @Override public void log(String msg) { _logger.info(msg); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#log(java.lang.String, java.lang.Throwable) */ @Override public void log(String message, Throwable throwable) { _logger.warn(message,throwable); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameter(java.lang.String) */ @Override public String getInitParameter(String name) { return ContextHandler.this.getInitParameter(name); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getInitParameterNames() */ @Override public Enumeration getInitParameterNames() { return ContextHandler.this.getInitParameterNames(); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttribute(java.lang.String) */ @Override public synchronized Object getAttribute(String name) { Object o = ContextHandler.this.getAttribute(name); if (o == null) o = super.getAttribute(name); return o; } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getAttributeNames() */ @Override public synchronized Enumeration getAttributeNames() { HashSet set = new HashSet(); Enumeration e = super.getAttributeNames(); while (e.hasMoreElements()) set.add(e.nextElement()); e = _attributes.getAttributeNames(); while (e.hasMoreElements()) set.add(e.nextElement()); return Collections.enumeration(set); } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#setAttribute(java.lang.String, java.lang.Object) */ @Override public synchronized void setAttribute(String name, Object value) { checkManagedAttribute(name,value); Object old_value = super.getAttribute(name); if (value == null) super.removeAttribute(name); else super.setAttribute(name,value); if (!_contextAttributeListeners.isEmpty()) { ServletContextAttributeEvent event = new ServletContextAttributeEvent(_scontext,name,old_value == null?value:old_value); for (ServletContextAttributeListener l : _contextAttributeListeners) { if (old_value == null) l.attributeAdded(event); else if (value == null) l.attributeRemoved(event); else l.attributeReplaced(event); } } } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#removeAttribute(java.lang.String) */ @Override public synchronized void removeAttribute(String name) { checkManagedAttribute(name,null); Object old_value = super.getAttribute(name); super.removeAttribute(name); if (old_value != null &&!_contextAttributeListeners.isEmpty()) { ServletContextAttributeEvent event = new ServletContextAttributeEvent(_scontext,name,old_value); for (ServletContextAttributeListener l : _contextAttributeListeners) l.attributeRemoved(event); } } /* ------------------------------------------------------------ */ /* * @see javax.servlet.ServletContext#getServletContextName() */ @Override public String getServletContextName() { String name = ContextHandler.this.getDisplayName(); if (name == null) name = ContextHandler.this.getContextPath(); return name; } /* ------------------------------------------------------------ */ @Override public String getContextPath() { if ((_contextPath != null) && _contextPath.equals(URIUtil.SLASH)) return ""; return _contextPath; } /* ------------------------------------------------------------ */ @Override public String toString() { return "ServletContext@" + ContextHandler.this.toString(); } /* ------------------------------------------------------------ */ @Override public boolean setInitParameter(String name, String value) { if (ContextHandler.this.getInitParameter(name) != null) return false; ContextHandler.this.getInitParams().put(name,value); return true; } @Override public void addListener(String className) { if (!_enabled) throw new UnsupportedOperationException(); try { @SuppressWarnings("unchecked") Class clazz = _classLoader==null?Loader.loadClass(ContextHandler.class,className):_classLoader.loadClass(className); addListener(clazz); } catch (ClassNotFoundException e) { throw new IllegalArgumentException(e); } } @Override public void addListener(T t) { if (!_enabled) throw new UnsupportedOperationException(); checkListener(t.getClass()); ContextHandler.this.addEventListener(t); ContextHandler.this.addProgrammaticListener(t); } @Override public void addListener(Class listenerClass) { if (!_enabled) throw new UnsupportedOperationException(); try { EventListener e = createListener(listenerClass); addListener(e); } catch (ServletException e) { throw new IllegalArgumentException(e); } } @Override public T createListener(Class clazz) throws ServletException { try { return createInstance(clazz); } catch (Exception e) { throw new ServletException(e); } } public void checkListener (Class listener) throws IllegalStateException { boolean ok = false; int startIndex = (isExtendedListenerTypes()?EXTENDED_LISTENER_TYPE_INDEX:DEFAULT_LISTENER_TYPE_INDEX); for (int i=startIndex;i reflect = Loader.loadClass(getClass(), "sun.reflect.Reflection"); Method getCallerClass = reflect.getMethod("getCallerClass", Integer.TYPE); Class caller = (Class)getCallerClass.invoke(null, 2); boolean ok = false; ClassLoader callerLoader = caller.getClassLoader(); while (!ok && callerLoader != null) { if (callerLoader == _classLoader) ok = true; else callerLoader = callerLoader.getParent(); } if (ok) return _classLoader; } catch (Exception e) { LOG.warn("Unable to check classloader of caller",e); } AccessController.checkPermission(new RuntimePermission("getClassLoader")); return _classLoader; } } @Override public JspConfigDescriptor getJspConfigDescriptor() { LOG.warn(__unimplmented); return null; } public void setJspConfigDescriptor(JspConfigDescriptor d) { } @Override public void declareRoles(String... roleNames) { if (!isStarting()) throw new IllegalStateException (); if (!_enabled) throw new UnsupportedOperationException(); } public void setEnabled(boolean enabled) { _enabled = enabled; } public boolean isEnabled() { return _enabled; } public T createInstance (Class clazz) throws Exception { T o = clazz.newInstance(); return o; } } public static class NoContext extends AttributesMap implements ServletContext { private int _effectiveMajorVersion = SERVLET_MAJOR_VERSION; private int _effectiveMinorVersion = SERVLET_MINOR_VERSION; /* ------------------------------------------------------------ */ public NoContext() { } @Override public ServletContext getContext(String uripath) { return null; } @Override public int getMajorVersion() { return SERVLET_MAJOR_VERSION; } @Override public String getMimeType(String file) { return null; } @Override public int getMinorVersion() { return SERVLET_MINOR_VERSION; } @Override public RequestDispatcher getNamedDispatcher(String name) { return null; } @Override public RequestDispatcher getRequestDispatcher(String uriInContext) { return null; } @Override public String getRealPath(String path) { return null; } @Override public URL getResource(String path) throws MalformedURLException { return null; } @Override public InputStream getResourceAsStream(String path) { return null; } @Override public Set getResourcePaths(String path) { return null; } @Override public String getServerInfo() { // NOTE: DO NOT CHANGE // this is used by weld to detect Jetty // implementation version // See: https://github.com/weld/core/blob/master/environments/servlet/core/src/main/java/org/jboss/weld/environment/jetty/JettyContainer.java // and its touch(ContainerContext) method return "jetty/" + Server.getVersion(); } @Override @Deprecated public Servlet getServlet(String name) throws ServletException { return null; } @SuppressWarnings("unchecked") @Override @Deprecated public Enumeration getServletNames() { return Collections.enumeration(Collections.EMPTY_LIST); } @SuppressWarnings("unchecked") @Override @Deprecated public Enumeration getServlets() { return Collections.enumeration(Collections.EMPTY_LIST); } @Override public void log(Exception exception, String msg) { LOG.warn(msg,exception); } @Override public void log(String msg) { LOG.info(msg); } @Override public void log(String message, Throwable throwable) { LOG.warn(message,throwable); } @Override public String getInitParameter(String name) { return null; } @SuppressWarnings("unchecked") @Override public Enumeration getInitParameterNames() { return Collections.enumeration(Collections.EMPTY_LIST); } @Override public String getServletContextName() { return "No Context"; } @Override public String getContextPath() { return null; } @Override public boolean setInitParameter(String name, String value) { return false; } @Override public Dynamic addFilter(String filterName, Class filterClass) { LOG.warn(__unimplmented); return null; } @Override public Dynamic addFilter(String filterName, Filter filter) { LOG.warn(__unimplmented); return null; } @Override public Dynamic addFilter(String filterName, String className) { LOG.warn(__unimplmented); return null; } @Override public javax.servlet.ServletRegistration.Dynamic addServlet(String servletName, Class servletClass) { LOG.warn(__unimplmented); return null; } @Override public javax.servlet.ServletRegistration.Dynamic addServlet(String servletName, Servlet servlet) { LOG.warn(__unimplmented); return null; } @Override public javax.servlet.ServletRegistration.Dynamic addServlet(String servletName, String className) { LOG.warn(__unimplmented); return null; } @Override public T createFilter(Class c) throws ServletException { LOG.warn(__unimplmented); return null; } @Override public T createServlet(Class c) throws ServletException { LOG.warn(__unimplmented); return null; } @Override public Set getDefaultSessionTrackingModes() { LOG.warn(__unimplmented); return null; } @Override public Set getEffectiveSessionTrackingModes() { LOG.warn(__unimplmented); return null; } @Override public FilterRegistration getFilterRegistration(String filterName) { LOG.warn(__unimplmented); return null; } @Override public Map getFilterRegistrations() { LOG.warn(__unimplmented); return null; } @Override public ServletRegistration getServletRegistration(String servletName) { LOG.warn(__unimplmented); return null; } @Override public Map getServletRegistrations() { LOG.warn(__unimplmented); return null; } @Override public SessionCookieConfig getSessionCookieConfig() { LOG.warn(__unimplmented); return null; } @Override public void setSessionTrackingModes(Set sessionTrackingModes) { LOG.warn(__unimplmented); } @Override public void addListener(String className) { LOG.warn(__unimplmented); } @Override public void addListener(T t) { LOG.warn(__unimplmented); } @Override public void addListener(Class listenerClass) { LOG.warn(__unimplmented); } @Override public T createListener(Class clazz) throws ServletException { try { return clazz.newInstance(); } catch (InstantiationException e) { throw new ServletException(e); } catch (IllegalAccessException e) { throw new ServletException(e); } } @Override public ClassLoader getClassLoader() { AccessController.checkPermission(new RuntimePermission("getClassLoader")); return ContextHandler.class.getClassLoader(); } @Override public int getEffectiveMajorVersion() { return _effectiveMajorVersion; } @Override public int getEffectiveMinorVersion() { return _effectiveMinorVersion; } public void setEffectiveMajorVersion (int v) { _effectiveMajorVersion = v; } public void setEffectiveMinorVersion (int v) { _effectiveMinorVersion = v; } @Override public JspConfigDescriptor getJspConfigDescriptor() { LOG.warn(__unimplmented); return null; } @Override public void declareRoles(String... roleNames) { LOG.warn(__unimplmented); } /** * @see javax.servlet.ServletContext#getVirtualServerName() */ @Override public String getVirtualServerName() { // TODO 3.1 Auto-generated method stub return null; } } /* ------------------------------------------------------------ */ /** Interface to check aliases */ public interface AliasCheck { /* ------------------------------------------------------------ */ /** Check an alias * @param path The path the aliased resource was created for * @param resource The aliased resourced * @return True if the resource is OK to be served. */ boolean check(String path, Resource resource); } /* ------------------------------------------------------------ */ /** Approve all aliases. */ public static class ApproveAliases implements AliasCheck { @Override public boolean check(String path, Resource resource) { return true; } } /* ------------------------------------------------------------ */ /** Approve Aliases with same suffix. * Eg. a symbolic link from /foobar.html to /somewhere/wibble.html would be * approved because both the resource and alias end with ".html". */ @Deprecated public static class ApproveSameSuffixAliases implements AliasCheck { { LOG.warn("ApproveSameSuffixAlias is not safe for production"); } @Override public boolean check(String path, Resource resource) { int dot = path.lastIndexOf('.'); if (dot<0) return false; String suffix=path.substring(dot); return resource.toString().endsWith(suffix); } } /* ------------------------------------------------------------ */ /** Approve Aliases with a path prefix. * Eg. a symbolic link from /dirA/foobar.html to /dirB/foobar.html would be * approved because both the resource and alias end with "/foobar.html". */ @Deprecated public static class ApprovePathPrefixAliases implements AliasCheck { { LOG.warn("ApprovePathPrefixAliases is not safe for production"); } @Override public boolean check(String path, Resource resource) { int slash = path.lastIndexOf('/'); if (slash<0 || slash==path.length()-1) return false; String suffix=path.substring(slash); return resource.toString().endsWith(suffix); } } /* ------------------------------------------------------------ */ /** Approve Aliases of a non existent directory. * If a directory "/foobar/" does not exist, then the resource is * aliased to "/foobar". Accept such aliases. */ public static class ApproveNonExistentDirectoryAliases implements AliasCheck { @Override public boolean check(String path, Resource resource) { if (resource.exists()) return false; String a=resource.getAlias().toString(); String r=resource.getURL().toString(); if (a.length()>r.length()) return a.startsWith(r) && a.length()==r.length()+1 && a.endsWith("/"); if (a.length()




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