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Exerimental Minimal Tomcat for Programmatic Use
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.connector;
import java.io.BufferedReader;
import java.io.EOFException;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.security.Principal;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
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.Set;
import java.util.TreeMap;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.naming.NamingException;
import javax.security.auth.Subject;
import jakarta.servlet.AsyncContext;
import jakarta.servlet.DispatcherType;
import jakarta.servlet.FilterChain;
import jakarta.servlet.MultipartConfigElement;
import jakarta.servlet.RequestDispatcher;
import jakarta.servlet.ServletConnection;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletInputStream;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletRequestAttributeEvent;
import jakarta.servlet.ServletRequestAttributeListener;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.SessionTrackingMode;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServletMapping;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletRequestWrapper;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import jakarta.servlet.http.HttpUpgradeHandler;
import jakarta.servlet.http.Part;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Globals;
import org.apache.catalina.Host;
import org.apache.catalina.Manager;
import org.apache.catalina.Realm;
import org.apache.catalina.Session;
import org.apache.catalina.TomcatPrincipal;
import org.apache.catalina.Wrapper;
import org.apache.catalina.core.ApplicationFilterChain;
import org.apache.catalina.core.ApplicationMapping;
import org.apache.catalina.core.ApplicationPart;
import org.apache.catalina.core.ApplicationSessionCookieConfig;
import org.apache.catalina.core.AsyncContextImpl;
import org.apache.catalina.mapper.MappingData;
import org.apache.catalina.util.ParameterMap;
import org.apache.catalina.util.RequestUtil;
import org.apache.catalina.util.TLSUtil;
import org.apache.catalina.util.URLEncoder;
import org.apache.coyote.ActionCode;
import org.apache.coyote.BadRequestException;
import org.apache.coyote.UpgradeToken;
import org.apache.coyote.http11.upgrade.InternalHttpUpgradeHandler;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.InstanceManager;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tomcat.util.buf.B2CConverter;
import org.apache.tomcat.util.buf.ByteChunk;
import org.apache.tomcat.util.buf.CharsetHolder;
import org.apache.tomcat.util.buf.EncodedSolidusHandling;
import org.apache.tomcat.util.buf.MessageBytes;
import org.apache.tomcat.util.buf.StringUtils;
import org.apache.tomcat.util.buf.UDecoder;
import org.apache.tomcat.util.http.CookieProcessor;
import org.apache.tomcat.util.http.FastHttpDateFormat;
import org.apache.tomcat.util.http.InvalidParameterException;
import org.apache.tomcat.util.http.Parameters;
import org.apache.tomcat.util.http.Rfc6265CookieProcessor;
import org.apache.tomcat.util.http.ServerCookie;
import org.apache.tomcat.util.http.ServerCookies;
import org.apache.tomcat.util.http.fileupload.FileItem;
import org.apache.tomcat.util.http.fileupload.FileUpload;
import org.apache.tomcat.util.http.fileupload.disk.DiskFileItemFactory;
import org.apache.tomcat.util.http.fileupload.impl.InvalidContentTypeException;
import org.apache.tomcat.util.http.fileupload.impl.SizeException;
import org.apache.tomcat.util.http.fileupload.servlet.ServletRequestContext;
import org.apache.tomcat.util.http.parser.AcceptLanguage;
import org.apache.tomcat.util.http.parser.Upgrade;
import org.apache.tomcat.util.net.SSLSupport;
import org.apache.tomcat.util.res.StringManager;
import org.ietf.jgss.GSSCredential;
import org.ietf.jgss.GSSException;
/**
* Wrapper object for the Coyote request.
*
* @author Remy Maucherat
* @author Craig R. McClanahan
*/
public class Request implements HttpServletRequest {
private static final String HTTP_UPGRADE_HEADER_NAME = "upgrade";
private static final Log log = LogFactory.getLog(Request.class);
/**
* Create a new Request object associated with the given Connector.
*
* @param connector The Connector with which this Request object will always be associated. In normal usage this
* must be non-null. In some test scenarios, it may be possible to use a null Connector
* without triggering an NPE.
* @param coyoteRequest The Coyote request with which this Request object will always be associated. In normal usage
* this must be non-null. In some test scenarios, it may be possible to use a null request
* without triggering an NPE.
*/
public Request(Connector connector, org.apache.coyote.Request coyoteRequest) {
this.connector = connector;
this.coyoteRequest = coyoteRequest;
inputBuffer = new InputBuffer(coyoteRequest);
}
// ------------------------------------------------------------- Properties
/**
* Coyote request.
*/
protected final org.apache.coyote.Request coyoteRequest;
/**
* Get the Coyote request.
*
* @return the Coyote request object
*/
public org.apache.coyote.Request getCoyoteRequest() {
return this.coyoteRequest;
}
// ----------------------------------------------------- Variables
/**
* The string manager for this package.
*/
protected static final StringManager sm = StringManager.getManager(Request.class);
/**
* The set of cookies associated with this Request.
*/
protected Cookie[] cookies = null;
/**
* The default Locale if none are specified.
*/
protected static final Locale defaultLocale = Locale.getDefault();
/**
* The attributes associated with this Request, keyed by attribute name.
*/
private final Map attributes = new ConcurrentHashMap<>();
/**
* Flag that indicates if SSL attributes have been parsed to improve performance for applications (usually
* frameworks) that make multiple calls to {@link Request#getAttributeNames()}.
*/
protected boolean sslAttributesParsed = false;
/**
* The preferred Locales associated with this Request.
*/
protected final ArrayList locales = new ArrayList<>();
/**
* Internal notes associated with this request by Catalina components and event listeners.
*/
private final transient HashMap notes = new HashMap<>();
/**
* Authentication type.
*/
protected String authType = null;
/**
* The current dispatcher type.
*/
protected DispatcherType internalDispatcherType = null;
/**
* The associated input buffer.
*/
protected final InputBuffer inputBuffer;
/**
* ServletInputStream.
*/
protected CoyoteInputStream inputStream;
/**
* Reader.
*/
protected CoyoteReader reader;
/**
* Using stream flag.
*/
protected boolean usingInputStream = false;
/**
* Using reader flag.
*/
protected boolean usingReader = false;
/**
* User principal.
*/
protected Principal userPrincipal = null;
/**
* Request parameters parsed flag.
*/
protected boolean parametersParsed = false;
/**
* Cookie headers parsed flag. Indicates that the cookie headers have been parsed into ServerCookies.
*/
protected boolean cookiesParsed = false;
/**
* Cookie parsed flag. Indicates that the ServerCookies have been converted into user facing Cookie objects.
*/
protected boolean cookiesConverted = false;
/**
* Secure flag.
*/
protected boolean secure = false;
/**
* The Subject associated with the current AccessControlContext
*/
protected transient Subject subject = null;
/**
* Post data buffer.
*/
protected static final int CACHED_POST_LEN = 8192;
protected byte[] postData = null;
/**
* Hash map used in the getParametersMap method.
*/
protected ParameterMap parameterMap = new ParameterMap<>();
/**
* The exception thrown, if any when parsing the parameters including parts.
*/
protected IllegalStateException parametersParseException = null;
/**
* The parts, if any, uploaded with this request.
*/
protected Collection parts = null;
/**
* The exception thrown, if any when parsing the parts.
*/
protected Exception partsParseException = null;
/**
* The currently active session for this request.
*/
protected Session session = null;
/**
* The current request dispatcher path.
*/
protected Object requestDispatcherPath = null;
/**
* Was the requested session ID received in a cookie?
*/
protected boolean requestedSessionCookie = false;
/**
* The requested session ID (if any) for this request.
*/
protected String requestedSessionId = null;
/**
* Was the requested session ID received in a URL?
*/
protected boolean requestedSessionURL = false;
/**
* Was the requested session ID obtained from the SSL session?
*/
protected boolean requestedSessionSSL = false;
/**
* Parse locales.
*/
protected boolean localesParsed = false;
/**
* Local port
*/
protected int localPort = -1;
/**
* Remote address.
*/
protected String remoteAddr = null;
/**
* Connection peer address.
*/
protected String peerAddr = null;
/**
* Remote host.
*/
protected String remoteHost = null;
/**
* Remote port
*/
protected int remotePort = -1;
/**
* Local address
*/
protected String localAddr = null;
/**
* Local address
*/
protected String localName = null;
/**
* AsyncContext
*/
private volatile AsyncContextImpl asyncContext = null;
protected Boolean asyncSupported = null;
private HttpServletRequest applicationRequest = null;
// --------------------------------------------------------- Public Methods
protected void addPathParameter(String name, String value) {
coyoteRequest.addPathParameter(name, value);
}
protected String getPathParameter(String name) {
return coyoteRequest.getPathParameter(name);
}
public void setAsyncSupported(boolean asyncSupported) {
this.asyncSupported = Boolean.valueOf(asyncSupported);
}
/**
* Release all object references, and initialize instance variables, in preparation for reuse of this object.
*/
public void recycle() {
internalDispatcherType = null;
requestDispatcherPath = null;
authType = null;
inputBuffer.recycle();
usingInputStream = false;
usingReader = false;
userPrincipal = null;
subject = null;
parametersParsed = false;
if (parts != null) {
for (Part part : parts) {
try {
part.delete();
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString("coyoteRequest.deletePartFailed", part.getName()), t);
}
}
parts = null;
}
parametersParseException = null;
partsParseException = null;
locales.clear();
localesParsed = false;
secure = false;
remoteAddr = null;
peerAddr = null;
remoteHost = null;
remotePort = -1;
localPort = -1;
localAddr = null;
localName = null;
attributes.clear();
sslAttributesParsed = false;
notes.clear();
recycleSessionInfo();
recycleCookieInfo(false);
if (getDiscardFacades()) {
parameterMap = new ParameterMap<>();
} else {
parameterMap.setLocked(false);
parameterMap.clear();
}
mappingData.recycle();
applicationMapping.recycle();
applicationRequest = null;
if (getDiscardFacades()) {
if (facade != null) {
facade.clear();
facade = null;
}
if (inputStream != null) {
inputStream.clear();
inputStream = null;
}
if (reader != null) {
reader.clear();
reader = null;
}
}
asyncSupported = null;
if (asyncContext != null) {
asyncContext.recycle();
asyncContext = null;
}
}
protected void recycleSessionInfo() {
if (session != null) {
try {
session.endAccess();
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
log.warn(sm.getString("coyoteRequest.sessionEndAccessFail"), t);
}
}
session = null;
requestedSessionCookie = false;
requestedSessionId = null;
requestedSessionURL = false;
requestedSessionSSL = false;
}
protected void recycleCookieInfo(boolean recycleCoyote) {
cookiesParsed = false;
cookiesConverted = false;
cookies = null;
if (recycleCoyote) {
getCoyoteRequest().getCookies().recycle();
}
}
// -------------------------------------------------------- Request Methods
/**
* Associated Catalina connector.
*/
protected final Connector connector;
/**
* @return the Connector through which this Request was received.
*/
public Connector getConnector() {
return this.connector;
}
/**
* Return the Context within which this Request is being processed.
*
* This is available as soon as the appropriate Context is identified. Note that availability of a Context allows
* getContextPath() to return a value, and thus enables parsing of the request URI.
*
* @return the Context mapped with the request
*/
public Context getContext() {
return mappingData.context;
}
/**
* Get the recycling strategy of the facade objects.
*
* @return the value of the flag as set on the connector, or true if no connector is associated with
* this request
*/
public boolean getDiscardFacades() {
return (connector == null) ? true : connector.getDiscardFacades();
}
/**
* Filter chain associated with the request.
*/
protected FilterChain filterChain = null;
/**
* Get filter chain associated with the request.
*
* @return the associated filter chain
*/
public FilterChain getFilterChain() {
return this.filterChain;
}
/**
* Set filter chain associated with the request.
*
* @param filterChain new filter chain
*/
public void setFilterChain(FilterChain filterChain) {
this.filterChain = filterChain;
}
/**
* @return the Host within which this Request is being processed.
*/
public Host getHost() {
return mappingData.host;
}
/**
* Mapping data.
*/
protected final MappingData mappingData = new MappingData();
private final ApplicationMapping applicationMapping = new ApplicationMapping(mappingData);
/**
* @return mapping data.
*/
public MappingData getMappingData() {
return mappingData;
}
/**
* The facade associated with this request.
*/
protected RequestFacade facade = null;
/**
* @return the ServletRequest for which this object is the facade. This method must be implemented by a
* subclass.
*/
public HttpServletRequest getRequest() {
if (facade == null) {
facade = new RequestFacade(this);
}
if (applicationRequest == null) {
applicationRequest = facade;
}
return applicationRequest;
}
/**
* Set a wrapped HttpServletRequest to pass to the application. Components wishing to wrap the request should obtain
* the request via {@link #getRequest()}, wrap it and then call this method with the wrapped request.
*
* @param applicationRequest The wrapped request to pass to the application
*/
public void setRequest(HttpServletRequest applicationRequest) {
// Check the wrapper wraps this request
ServletRequest r = applicationRequest;
while (r instanceof HttpServletRequestWrapper) {
r = ((HttpServletRequestWrapper) r).getRequest();
}
if (r != facade) {
throw new IllegalArgumentException(sm.getString("request.illegalWrap"));
}
this.applicationRequest = applicationRequest;
}
/**
* The response with which this request is associated.
*/
protected Response response = null;
/**
* @return the Response with which this Request is associated.
*/
public Response getResponse() {
return this.response;
}
/**
* Set the Response with which this Request is associated.
*
* @param response The new associated response
*/
public void setResponse(Response response) {
this.response = response;
}
/**
* @return the input stream associated with this Request.
*/
public InputStream getStream() {
if (inputStream == null) {
inputStream = new CoyoteInputStream(inputBuffer);
}
return inputStream;
}
/**
* URI byte to char converter.
*/
protected B2CConverter URIConverter = null;
/**
* @return the URI converter.
*/
protected B2CConverter getURIConverter() {
return URIConverter;
}
/**
* Set the URI converter.
*
* @param URIConverter the new URI converter
*/
protected void setURIConverter(B2CConverter URIConverter) {
this.URIConverter = URIConverter;
}
/**
* @return the Wrapper within which this Request is being processed.
*/
public Wrapper getWrapper() {
return mappingData.wrapper;
}
// ------------------------------------------------- Request Public Methods
/**
* Create and return a ServletInputStream to read the content associated with this Request.
*
* @return the created input stream
*
* @exception IOException if an input/output error occurs
*/
public ServletInputStream createInputStream() throws IOException {
if (inputStream == null) {
inputStream = new CoyoteInputStream(inputBuffer);
}
return inputStream;
}
/**
* Perform whatever actions are required to flush and close the input stream or reader, in a single operation.
*
* @exception IOException if an input/output error occurs
*/
public void finishRequest() throws IOException {
if (response.getStatus() == HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE) {
checkSwallowInput();
}
}
/**
* @return the object bound with the specified name to the internal notes for this request, or null if
* no such binding exists.
*
* @param name Name of the note to be returned
*/
public Object getNote(String name) {
return notes.get(name);
}
/**
* Remove any object bound to the specified name in the internal notes for this request.
*
* @param name Name of the note to be removed
*/
public void removeNote(String name) {
notes.remove(name);
}
/**
* Set the port number of the server to process this request.
*
* @param port The server port
*/
public void setLocalPort(int port) {
localPort = port;
}
/**
* Bind an object to a specified name in the internal notes associated with this request, replacing any existing
* binding for this name.
*
* @param name Name to which the object should be bound
* @param value Object to be bound to the specified name
*/
public void setNote(String name, Object value) {
notes.put(name, value);
}
/**
* Set the IP address of the remote client associated with this Request.
*
* @param remoteAddr The remote IP address
*/
public void setRemoteAddr(String remoteAddr) {
this.remoteAddr = remoteAddr;
}
/**
* Set the fully qualified name of the remote client associated with this Request.
*
* @param remoteHost The remote host name
*/
public void setRemoteHost(String remoteHost) {
this.remoteHost = remoteHost;
}
/**
* Set the value to be returned by isSecure() for this Request.
*
* @param secure The new isSecure value
*/
public void setSecure(boolean secure) {
this.secure = secure;
}
/**
* Set the port number of the server to process this request.
*
* @param port The server port
*/
public void setServerPort(int port) {
coyoteRequest.setServerPort(port);
}
// ------------------------------------------------- ServletRequest Methods
@SuppressWarnings("deprecation")
@Override
public Object getAttribute(String name) {
// Special attributes
SpecialAttributeAdapter adapter = specialAttributes.get(name);
if (adapter != null) {
return adapter.get(this, name);
}
Object attr = attributes.get(name);
if (attr != null) {
return attr;
}
attr = coyoteRequest.getAttribute(name);
if (attr != null) {
return attr;
}
if (!sslAttributesParsed && TLSUtil.isTLSRequestAttribute(name)) {
coyoteRequest.action(ActionCode.REQ_SSL_ATTRIBUTE, coyoteRequest);
attr = coyoteRequest.getAttribute(Globals.CERTIFICATES_ATTR);
if (attr != null) {
attributes.put(Globals.CERTIFICATES_ATTR, attr);
}
attr = coyoteRequest.getAttribute(Globals.SECURE_PROTOCOL_ATTR);
if (attr != null) {
attributes.put(Globals.SECURE_PROTOCOL_ATTR, attr);
attributes.put(SSLSupport.PROTOCOL_VERSION_KEY, attr);
}
attr = coyoteRequest.getAttribute(Globals.CIPHER_SUITE_ATTR);
if (attr != null) {
attributes.put(Globals.CIPHER_SUITE_ATTR, attr);
}
attr = coyoteRequest.getAttribute(Globals.KEY_SIZE_ATTR);
if (attr != null) {
attributes.put(Globals.KEY_SIZE_ATTR, attr);
}
attr = coyoteRequest.getAttribute(Globals.SSL_SESSION_ID_ATTR);
if (attr != null) {
attributes.put(Globals.SSL_SESSION_ID_ATTR, attr);
}
attr = coyoteRequest.getAttribute(Globals.SSL_SESSION_MGR_ATTR);
if (attr != null) {
attributes.put(Globals.SSL_SESSION_MGR_ATTR, attr);
}
attr = coyoteRequest.getAttribute(SSLSupport.REQUESTED_PROTOCOL_VERSIONS_KEY);
if (attr != null) {
attributes.put(SSLSupport.REQUESTED_PROTOCOL_VERSIONS_KEY, attr);
}
attr = coyoteRequest.getAttribute(SSLSupport.REQUESTED_CIPHERS_KEY);
if (attr != null) {
attributes.put(SSLSupport.REQUESTED_CIPHERS_KEY, attr);
}
attr = attributes.get(name);
sslAttributesParsed = true;
}
return attr;
}
@Override
public long getContentLengthLong() {
return coyoteRequest.getContentLengthLong();
}
/**
* {@inheritDoc}
*
* The attribute names returned will only be those for the attributes set via {@link #setAttribute(String, Object)}.
* Tomcat internal attributes will not be included although they are accessible via {@link #getAttribute(String)}.
* The Tomcat internal attributes include:
*
* - {@link Globals#DISPATCHER_TYPE_ATTR}
* - {@link Globals#DISPATCHER_REQUEST_PATH_ATTR}
* - {@link Globals#ASYNC_SUPPORTED_ATTR}
* - {@link Globals#CERTIFICATES_ATTR} (SSL connections only)
* - {@link Globals#SECURE_PROTOCOL_ATTR} (SSL connections only)
* - {@link Globals#CIPHER_SUITE_ATTR} (SSL connections only)
* - {@link Globals#KEY_SIZE_ATTR} (SSL connections only)
* - {@link Globals#SSL_SESSION_ID_ATTR} (SSL connections only)
* - {@link Globals#SSL_SESSION_MGR_ATTR} (SSL connections only)
*
* The underlying connector may also expose request attributes. These all have names starting with
* "org.apache.tomcat" and include:
*
* - {@link Globals#SENDFILE_SUPPORTED_ATTR}
*
* Connector implementations may return some, all or none of these attributes and may also support additional
* attributes.
*/
@Override
public Enumeration getAttributeNames() {
if (isSecure() && !sslAttributesParsed) {
getAttribute(Globals.CERTIFICATES_ATTR);
}
// Take a copy to prevent ConcurrentModificationExceptions if used to
// remove attributes
Set names = new HashSet<>(attributes.keySet());
return Collections.enumeration(names);
}
@Override
public String getCharacterEncoding() {
String characterEncoding = coyoteRequest.getCharsetHolder().getName();
if (characterEncoding == null) {
Context context = getContext();
if (context != null) {
characterEncoding = context.getRequestCharacterEncoding();
}
}
return characterEncoding;
}
private Charset getCharset() {
Charset charset = coyoteRequest.getCharsetHolder().getCharset();
if (charset == null) {
Context context = getContext();
if (context != null) {
charset = CharsetHolder.getInstance(context.getRequestCharacterEncoding()).getCharset();
}
}
if (charset == null) {
charset = org.apache.coyote.Constants.DEFAULT_BODY_CHARSET;
}
return charset;
}
@Override
public int getContentLength() {
return coyoteRequest.getContentLength();
}
@Override
public String getContentType() {
return coyoteRequest.getContentType();
}
/**
* Set the content type for this Request.
*
* @param contentType The content type
*/
public void setContentType(String contentType) {
coyoteRequest.setContentType(contentType);
}
@Override
public ServletInputStream getInputStream() throws IOException {
if (usingReader) {
throw new IllegalStateException(sm.getString("coyoteRequest.getInputStream.ise"));
}
usingInputStream = true;
if (inputStream == null) {
inputStream = new CoyoteInputStream(inputBuffer);
}
return inputStream;
}
@Override
public Locale getLocale() {
if (!localesParsed) {
parseLocales();
}
if (locales.size() > 0) {
return locales.get(0);
}
return defaultLocale;
}
@Override
public Enumeration getLocales() {
if (!localesParsed) {
parseLocales();
}
if (locales.size() > 0) {
return Collections.enumeration(locales);
}
ArrayList results = new ArrayList<>();
results.add(defaultLocale);
return Collections.enumeration(results);
}
@Override
public String getParameter(String name) {
parseParameters();
return coyoteRequest.getParameters().getParameter(name);
}
@Override
public Map getParameterMap() {
if (parameterMap.isLocked()) {
return parameterMap;
}
Enumeration enumeration = getParameterNames();
while (enumeration.hasMoreElements()) {
String name = enumeration.nextElement();
String[] values = getParameterValues(name);
parameterMap.put(name, values);
}
parameterMap.setLocked(true);
return parameterMap;
}
@Override
public Enumeration getParameterNames() {
parseParameters();
return coyoteRequest.getParameters().getParameterNames();
}
@Override
public String[] getParameterValues(String name) {
parseParameters();
return coyoteRequest.getParameters().getParameterValues(name);
}
@Override
public String getProtocol() {
return coyoteRequest.protocol().toStringType();
}
@Override
public BufferedReader getReader() throws IOException {
if (usingInputStream) {
throw new IllegalStateException(sm.getString("coyoteRequest.getReader.ise"));
}
// InputBuffer has no easily accessible reference chain to the Context
// to check for a default request character encoding at the Context.
// Therefore, if a Context default should be used, it is set explicitly
// here. Need to do this before setting usingReader.
if (coyoteRequest.getCharsetHolder().getName() == null) {
// Nothing currently set explicitly.
// Check the context
Context context = getContext();
if (context != null) {
String enc = context.getRequestCharacterEncoding();
if (enc != null) {
// Explicitly set the context default so it is visible to
// InputBuffer when creating the Reader.
setCharacterEncoding(enc);
}
}
}
usingReader = true;
inputBuffer.checkConverter();
if (reader == null) {
reader = new CoyoteReader(inputBuffer);
}
return reader;
}
@Override
public String getRemoteAddr() {
if (remoteAddr == null) {
coyoteRequest.action(ActionCode.REQ_HOST_ADDR_ATTRIBUTE, coyoteRequest);
remoteAddr = coyoteRequest.remoteAddr().toString();
}
return remoteAddr;
}
/**
* @return the connection peer IP address making this Request.
*/
public String getPeerAddr() {
if (peerAddr == null) {
coyoteRequest.action(ActionCode.REQ_PEER_ADDR_ATTRIBUTE, coyoteRequest);
peerAddr = coyoteRequest.peerAddr().toString();
}
return peerAddr;
}
@Override
public String getRemoteHost() {
if (remoteHost == null) {
if (!connector.getEnableLookups()) {
remoteHost = getRemoteAddr();
} else {
coyoteRequest.action(ActionCode.REQ_HOST_ATTRIBUTE, coyoteRequest);
remoteHost = coyoteRequest.remoteHost().toString();
}
}
return remoteHost;
}
@Override
public int getRemotePort() {
if (remotePort == -1) {
coyoteRequest.action(ActionCode.REQ_REMOTEPORT_ATTRIBUTE, coyoteRequest);
remotePort = coyoteRequest.getRemotePort();
}
return remotePort;
}
@Override
public String getLocalName() {
if (localName == null) {
coyoteRequest.action(ActionCode.REQ_LOCAL_NAME_ATTRIBUTE, coyoteRequest);
localName = coyoteRequest.localName().toString();
}
return localName;
}
@Override
public String getLocalAddr() {
if (localAddr == null) {
coyoteRequest.action(ActionCode.REQ_LOCAL_ADDR_ATTRIBUTE, coyoteRequest);
localAddr = coyoteRequest.localAddr().toString();
}
return localAddr;
}
@Override
public int getLocalPort() {
if (localPort == -1) {
coyoteRequest.action(ActionCode.REQ_LOCALPORT_ATTRIBUTE, coyoteRequest);
localPort = coyoteRequest.getLocalPort();
}
return localPort;
}
@Override
public RequestDispatcher getRequestDispatcher(String path) {
Context context = getContext();
if (context == null) {
return null;
}
if (path == null) {
return null;
}
int fragmentPos = path.indexOf('#');
if (fragmentPos > -1) {
log.warn(sm.getString("request.fragmentInDispatchPath", path));
path = path.substring(0, fragmentPos);
}
// If the path is already context-relative, just pass it through
if (path.startsWith("/")) {
return context.getServletContext().getRequestDispatcher(path);
}
/*
* Relative to what, exactly?
*
* From the Servlet 4.0 Javadoc: - The pathname specified may be relative, although it cannot extend outside the
* current servlet context. - If it is relative, it must be relative against the current servlet
*
* From Section 9.1 of the spec: - The servlet container uses information in the request object to transform the
* given relative path against the current servlet to a complete path.
*
* It is undefined whether the requestURI is used or whether servletPath and pathInfo are used. Given that the
* RequestURI includes the contextPath (and extracting that is messy) , using the servletPath and pathInfo looks
* to be the more reasonable choice.
*/
// Convert a request-relative path to a context-relative one
String servletPath = (String) getAttribute(RequestDispatcher.INCLUDE_SERVLET_PATH);
if (servletPath == null) {
servletPath = getServletPath();
}
// Add the path info, if there is any
String pathInfo = getPathInfo();
String requestPath = null;
if (pathInfo == null) {
requestPath = servletPath;
} else {
requestPath = servletPath + pathInfo;
}
int pos = requestPath.lastIndexOf('/');
String relative = null;
if (context.getDispatchersUseEncodedPaths()) {
if (pos >= 0) {
relative = URLEncoder.DEFAULT.encode(requestPath.substring(0, pos + 1), StandardCharsets.UTF_8) + path;
} else {
relative = URLEncoder.DEFAULT.encode(requestPath, StandardCharsets.UTF_8) + path;
}
} else {
if (pos >= 0) {
relative = requestPath.substring(0, pos + 1) + path;
} else {
relative = requestPath + path;
}
}
return context.getServletContext().getRequestDispatcher(relative);
}
@Override
public String getScheme() {
return coyoteRequest.scheme().toStringType();
}
@Override
public String getServerName() {
return coyoteRequest.serverName().toString();
}
@Override
public int getServerPort() {
return coyoteRequest.getServerPort();
}
@Override
public boolean isSecure() {
return secure;
}
@Override
public void removeAttribute(String name) {
// Remove the specified attribute
// Pass special attributes to the native layer
if (name.startsWith("org.apache.tomcat.")) {
coyoteRequest.getAttributes().remove(name);
}
boolean found = attributes.containsKey(name);
if (found) {
Object value = attributes.get(name);
attributes.remove(name);
// Notify interested application event listeners
notifyAttributeRemoved(name, value);
}
}
@Override
public void setAttribute(String name, Object value) {
// Name cannot be null
if (name == null) {
throw new IllegalArgumentException(sm.getString("coyoteRequest.setAttribute.namenull"));
}
// Null value is the same as removeAttribute()
if (value == null) {
removeAttribute(name);
return;
}
// Special attributes
SpecialAttributeAdapter adapter = specialAttributes.get(name);
if (adapter != null) {
adapter.set(this, name, value);
return;
}
// Add or replace the specified attribute
Object oldValue = attributes.put(name, value);
// Pass special attributes to the native layer
if (name.startsWith("org.apache.tomcat.")) {
coyoteRequest.setAttribute(name, value);
}
// Notify interested application event listeners
notifyAttributeAssigned(name, value, oldValue);
}
/**
* Notify interested listeners that attribute has been assigned a value.
*
* @param name Attribute name
* @param value New attribute value
* @param oldValue Old attribute value
*/
private void notifyAttributeAssigned(String name, Object value, Object oldValue) {
Context context = getContext();
if (context == null) {
return;
}
Object listeners[] = context.getApplicationEventListeners();
if (listeners == null || listeners.length == 0) {
return;
}
boolean replaced = (oldValue != null);
ServletRequestAttributeEvent event = null;
if (replaced) {
event = new ServletRequestAttributeEvent(context.getServletContext(), getRequest(), name, oldValue);
} else {
event = new ServletRequestAttributeEvent(context.getServletContext(), getRequest(), name, value);
}
for (Object o : listeners) {
if (!(o instanceof ServletRequestAttributeListener)) {
continue;
}
ServletRequestAttributeListener listener = (ServletRequestAttributeListener) o;
try {
if (replaced) {
listener.attributeReplaced(event);
} else {
listener.attributeAdded(event);
}
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
// Error valve will pick this exception up and display it to user
attributes.put(RequestDispatcher.ERROR_EXCEPTION, t);
context.getLogger().error(sm.getString("coyoteRequest.attributeEvent"), t);
}
}
}
/**
* Notify interested listeners that attribute has been removed.
*
* @param name Attribute name
* @param value Attribute value
*/
private void notifyAttributeRemoved(String name, Object value) {
Context context = getContext();
Object listeners[] = context.getApplicationEventListeners();
if (listeners == null || listeners.length == 0) {
return;
}
ServletRequestAttributeEvent event =
new ServletRequestAttributeEvent(context.getServletContext(), getRequest(), name, value);
for (Object o : listeners) {
if (!(o instanceof ServletRequestAttributeListener)) {
continue;
}
ServletRequestAttributeListener listener = (ServletRequestAttributeListener) o;
try {
listener.attributeRemoved(event);
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
// Error valve will pick this exception up and display it to user
attributes.put(RequestDispatcher.ERROR_EXCEPTION, t);
context.getLogger().error(sm.getString("coyoteRequest.attributeEvent"), t);
}
}
}
@Override
public void setCharacterEncoding(String enc) throws UnsupportedEncodingException {
if (usingReader) {
return;
}
CharsetHolder charsetHolder = CharsetHolder.getInstance(enc);
charsetHolder.validate();
// Save the validated encoding
coyoteRequest.setCharsetHolder(charsetHolder);
}
@Override
public void setCharacterEncoding(Charset charset) {
if (usingReader) {
return;
}
// Save the validated encoding
coyoteRequest.setCharsetHolder(CharsetHolder.getInstance(charset));
}
@Override
public ServletContext getServletContext() {
return getContext().getServletContext();
}
@Override
public AsyncContext startAsync() {
return startAsync(getRequest(), response.getResponse());
}
@Override
public AsyncContext startAsync(ServletRequest request, ServletResponse response) {
if (!isAsyncSupported()) {
IllegalStateException ise = new IllegalStateException(sm.getString("request.asyncNotSupported"));
log.warn(sm.getString("coyoteRequest.noAsync", StringUtils.join(getNonAsyncClassNames())), ise);
throw ise;
}
if (asyncContext == null) {
asyncContext = new AsyncContextImpl(this);
}
asyncContext.setStarted(getContext(), request, response,
request == getRequest() && response == getResponse().getResponse());
asyncContext.setTimeout(getConnector().getAsyncTimeout());
return asyncContext;
}
private Set getNonAsyncClassNames() {
Set result = new HashSet<>();
Wrapper wrapper = getWrapper();
if (!wrapper.isAsyncSupported()) {
result.add(wrapper.getServletClass());
}
FilterChain filterChain = getFilterChain();
if (filterChain instanceof ApplicationFilterChain) {
((ApplicationFilterChain) filterChain).findNonAsyncFilters(result);
} else {
result.add(sm.getString("coyoteRequest.filterAsyncSupportUnknown"));
}
Container c = wrapper;
while (c != null) {
c.getPipeline().findNonAsyncValves(result);
c = c.getParent();
}
return result;
}
@Override
public boolean isAsyncStarted() {
if (asyncContext == null) {
return false;
}
return asyncContext.isStarted();
}
public boolean isAsyncDispatching() {
if (asyncContext == null) {
return false;
}
AtomicBoolean result = new AtomicBoolean(false);
coyoteRequest.action(ActionCode.ASYNC_IS_DISPATCHING, result);
return result.get();
}
public boolean isAsyncCompleting() {
if (asyncContext == null) {
return false;
}
AtomicBoolean result = new AtomicBoolean(false);
coyoteRequest.action(ActionCode.ASYNC_IS_COMPLETING, result);
return result.get();
}
public boolean isAsync() {
if (asyncContext == null) {
return false;
}
AtomicBoolean result = new AtomicBoolean(false);
coyoteRequest.action(ActionCode.ASYNC_IS_ASYNC, result);
return result.get();
}
@Override
public boolean isAsyncSupported() {
if (this.asyncSupported == null) {
return true;
}
return asyncSupported.booleanValue();
}
@Override
public AsyncContext getAsyncContext() {
if (!isAsyncStarted()) {
throw new IllegalStateException(sm.getString("request.notAsync"));
}
return asyncContext;
}
public AsyncContextImpl getAsyncContextInternal() {
return asyncContext;
}
@Override
public DispatcherType getDispatcherType() {
if (internalDispatcherType == null) {
return DispatcherType.REQUEST;
}
return this.internalDispatcherType;
}
@Override
public String getRequestId() {
return coyoteRequest.getRequestId();
}
@Override
public String getProtocolRequestId() {
return coyoteRequest.getProtocolRequestId();
}
@Override
public ServletConnection getServletConnection() {
return coyoteRequest.getServletConnection();
}
// ---------------------------------------------------- HttpRequest Methods
/**
* Add a Cookie to the set of Cookies associated with this Request.
*
* @param cookie The new cookie
*/
public void addCookie(Cookie cookie) {
if (!cookiesConverted) {
convertCookies();
}
int size = 0;
if (cookies != null) {
size = cookies.length;
}
Cookie[] newCookies = new Cookie[size + 1];
if (cookies != null) {
System.arraycopy(cookies, 0, newCookies, 0, size);
}
newCookies[size] = cookie;
cookies = newCookies;
}
/**
* Add a Locale to the set of preferred Locales for this Request. The first added Locale will be the first one
* returned by getLocales().
*
* @param locale The new preferred Locale
*/
public void addLocale(Locale locale) {
locales.add(locale);
}
/**
* Clear the collection of Cookies associated with this Request.
*/
public void clearCookies() {
cookiesParsed = true;
cookiesConverted = true;
cookies = null;
}
/**
* Clear the collection of Locales associated with this Request.
*/
public void clearLocales() {
locales.clear();
}
/**
* Set the authentication type used for this request, if any; otherwise set the type to null. Typical
* values are "BASIC", "DIGEST", or "SSL".
*
* @param type The authentication type used
*/
public void setAuthType(String type) {
this.authType = type;
}
/**
* Set the path information for this Request. This will normally be called when the associated Context is mapping
* the Request to a particular Wrapper.
*
* @param path The path information
*/
public void setPathInfo(String path) {
mappingData.pathInfo.setString(path);
}
/**
* Set a flag indicating whether or not the requested session ID for this request came in through a cookie. This is
* normally called by the HTTP Connector, when it parses the request headers.
*
* @param flag The new flag
*/
public void setRequestedSessionCookie(boolean flag) {
this.requestedSessionCookie = flag;
}
/**
* Set the requested session ID for this request. This is normally called by the HTTP Connector, when it parses the
* request headers.
*
* @param id The new session id
*/
public void setRequestedSessionId(String id) {
this.requestedSessionId = id;
}
/**
* Set a flag indicating whether or not the requested session ID for this request came in through a URL. This is
* normally called by the HTTP Connector, when it parses the request headers.
*
* @param flag The new flag
*/
public void setRequestedSessionURL(boolean flag) {
this.requestedSessionURL = flag;
}
/**
* Set a flag indicating whether or not the requested session ID for this request came in through SSL. This is
* normally called by the HTTP Connector, when it parses the request headers.
*
* @param flag The new flag
*/
public void setRequestedSessionSSL(boolean flag) {
this.requestedSessionSSL = flag;
}
/**
* Get the decoded request URI.
*
* @return the URL decoded request URI
*/
public String getDecodedRequestURI() {
return coyoteRequest.decodedURI().toString();
}
/**
* Get the decoded request URI.
*
* @return the URL decoded request URI
*/
public MessageBytes getDecodedRequestURIMB() {
return coyoteRequest.decodedURI();
}
/**
* Set the Principal who has been authenticated for this Request. This value is also used to calculate the value to
* be returned by the getRemoteUser() method.
*
* @param principal The user Principal
*/
public void setUserPrincipal(final Principal principal) {
userPrincipal = principal;
}
// --------------------------------------------- HttpServletRequest Methods
@Override
public boolean isTrailerFieldsReady() {
return coyoteRequest.isTrailerFieldsReady();
}
@Override
public Map getTrailerFields() {
if (!isTrailerFieldsReady()) {
throw new IllegalStateException(sm.getString("coyoteRequest.trailersNotReady"));
}
// No need for a defensive copy since a new Map is returned for every call.
return coyoteRequest.getTrailerFields();
}
@SuppressWarnings("unchecked")
@Override
public T upgrade(Class httpUpgradeHandlerClass)
throws IOException, ServletException {
T handler;
InstanceManager instanceManager = null;
try {
// Do not go through the instance manager for internal Tomcat classes since they don't
// need injection
if (InternalHttpUpgradeHandler.class.isAssignableFrom(httpUpgradeHandlerClass)) {
handler = httpUpgradeHandlerClass.getConstructor().newInstance();
} else {
instanceManager = getContext().getInstanceManager();
handler = (T) instanceManager.newInstance(httpUpgradeHandlerClass);
}
} catch (ReflectiveOperationException | NamingException | IllegalArgumentException | SecurityException e) {
throw new ServletException(e);
}
UpgradeToken upgradeToken = new UpgradeToken(handler, getContext(), instanceManager,
getUpgradeProtocolName(httpUpgradeHandlerClass));
coyoteRequest.action(ActionCode.UPGRADE, upgradeToken);
// Output required by RFC2616. Protocol specific headers should have
// already been set.
response.setStatus(HttpServletResponse.SC_SWITCHING_PROTOCOLS);
return handler;
}
private String getUpgradeProtocolName(Class httpUpgradeHandlerClass) {
// Ideal - the caller has already explicitly set the selected protocol
// on the response
String result = response.getHeader(HTTP_UPGRADE_HEADER_NAME);
if (result == null) {
// If the request's upgrade header contains a single protocol that
// is the protocol that must have been selected
List upgradeProtocols = Upgrade.parse(getHeaders(HTTP_UPGRADE_HEADER_NAME));
if (upgradeProtocols != null && upgradeProtocols.size() == 1) {
result = upgradeProtocols.get(0).toString();
}
}
if (result == null) {
// Ugly but use the class name - it is better than nothing
result = httpUpgradeHandlerClass.getName();
}
return result;
}
@Override
public String getAuthType() {
return authType;
}
@Override
public String getContextPath() {
int lastSlash = mappingData.contextSlashCount;
// Special case handling for the root context
if (lastSlash == 0) {
return "";
}
String canonicalContextPath = getServletContext().getContextPath();
String uri = getRequestURI();
int pos = 0;
if (!getContext().getAllowMultipleLeadingForwardSlashInPath()) {
// Ensure that the returned value only starts with a single '/'.
// This prevents the value being misinterpreted as a protocol-
// relative URI if used with sendRedirect().
do {
pos++;
} while (pos < uri.length() && uri.charAt(pos) == '/');
pos--;
uri = uri.substring(pos);
}
char[] uriChars = uri.toCharArray();
// Need at least the number of slashes in the context path
while (lastSlash > 0) {
pos = nextSlash(uriChars, pos + 1);
if (pos == -1) {
break;
}
lastSlash--;
}
// Now allow for path parameters, normalization and/or encoding.
// Essentially, keep extending the candidate path up to the next slash
// until the decoded and normalized candidate path (with the path
// parameters removed) is the same as the canonical path.
String candidate;
if (pos == -1) {
candidate = uri;
} else {
candidate = uri.substring(0, pos);
}
candidate = removePathParameters(candidate);
candidate = UDecoder.URLDecode(candidate, connector.getURICharset());
candidate = org.apache.tomcat.util.http.RequestUtil.normalize(candidate);
boolean match = canonicalContextPath.equals(candidate);
while (!match && pos != -1) {
pos = nextSlash(uriChars, pos + 1);
if (pos == -1) {
candidate = uri;
} else {
candidate = uri.substring(0, pos);
}
candidate = removePathParameters(candidate);
candidate = UDecoder.URLDecode(candidate, connector.getURICharset());
candidate = org.apache.tomcat.util.http.RequestUtil.normalize(candidate);
match = canonicalContextPath.equals(candidate);
}
if (match) {
if (pos == -1) {
return uri;
} else {
return uri.substring(0, pos);
}
} else {
// Should never happen
throw new IllegalStateException(
sm.getString("coyoteRequest.getContextPath.ise", canonicalContextPath, uri));
}
}
private String removePathParameters(String input) {
int nextSemiColon = input.indexOf(';');
// Shortcut
if (nextSemiColon == -1) {
return input;
}
StringBuilder result = new StringBuilder(input.length());
result.append(input.substring(0, nextSemiColon));
while (true) {
int nextSlash = input.indexOf('/', nextSemiColon);
if (nextSlash == -1) {
break;
}
nextSemiColon = input.indexOf(';', nextSlash);
if (nextSemiColon == -1) {
result.append(input.substring(nextSlash));
break;
} else {
result.append(input.substring(nextSlash, nextSemiColon));
}
}
return result.toString();
}
private int nextSlash(char[] uri, int startPos) {
int len = uri.length;
int pos = startPos;
while (pos < len) {
if (uri[pos] == '/') {
return pos;
} else if (connector.getEncodedSolidusHandlingInternal() == EncodedSolidusHandling.DECODE &&
uri[pos] == '%' && pos + 2 < len && uri[pos + 1] == '2' &&
(uri[pos + 2] == 'f' || uri[pos + 2] == 'F')) {
return pos;
}
pos++;
}
return -1;
}
@Override
public Cookie[] getCookies() {
if (!cookiesConverted) {
convertCookies();
}
return cookies;
}
/**
* Return the server representation of the cookies associated with this request. Triggers parsing of the Cookie HTTP
* headers (but not conversion to Cookie objects) if the headers have not yet been parsed.
*
* @return the server cookies
*/
public ServerCookies getServerCookies() {
parseCookies();
return coyoteRequest.getCookies();
}
@Override
public long getDateHeader(String name) {
String value = getHeader(name);
if (value == null) {
return -1L;
}
// Attempt to convert the date header in a variety of formats
long result = FastHttpDateFormat.parseDate(value);
if (result != (-1L)) {
return result;
}
throw new IllegalArgumentException(value);
}
@Override
public String getHeader(String name) {
return coyoteRequest.getHeader(name);
}
@Override
public Enumeration getHeaders(String name) {
return coyoteRequest.getMimeHeaders().values(name);
}
@Override
public Enumeration getHeaderNames() {
return coyoteRequest.getMimeHeaders().names();
}
@Override
public int getIntHeader(String name) {
String value = getHeader(name);
if (value == null) {
return -1;
}
return Integer.parseInt(value);
}
@Override
public HttpServletMapping getHttpServletMapping() {
return applicationMapping.getHttpServletMapping();
}
@Override
public String getMethod() {
return coyoteRequest.method().toStringType();
}
@Override
public String getPathInfo() {
return mappingData.pathInfo.toStringType();
}
@Override
public String getPathTranslated() {
Context context = getContext();
if (context == null) {
return null;
}
if (getPathInfo() == null) {
return null;
}
return context.getServletContext().getRealPath(getPathInfo());
}
@Override
public String getQueryString() {
return coyoteRequest.queryString().toString();
}
@Override
public String getRemoteUser() {
if (userPrincipal == null) {
return null;
}
return userPrincipal.getName();
}
/**
* Get the request path.
*
* @return the request path
*/
public MessageBytes getRequestPathMB() {
return mappingData.requestPath;
}
@Override
public String getRequestedSessionId() {
return requestedSessionId;
}
@Override
public String getRequestURI() {
return coyoteRequest.requestURI().toStringType();
}
@Override
public StringBuffer getRequestURL() {
return RequestUtil.getRequestURL(this);
}
@Override
public String getServletPath() {
return mappingData.wrapperPath.toStringType();
}
@Override
public HttpSession getSession() {
return getSession(true);
}
@Override
public HttpSession getSession(boolean create) {
Session session = doGetSession(create);
if (session == null) {
return null;
}
return session.getSession();
}
@Override
public boolean isRequestedSessionIdFromCookie() {
if (requestedSessionId == null) {
return false;
}
return requestedSessionCookie;
}
@Override
public boolean isRequestedSessionIdFromURL() {
if (requestedSessionId == null) {
return false;
}
return requestedSessionURL;
}
@Override
public boolean isRequestedSessionIdValid() {
if (requestedSessionId == null) {
return false;
}
Context context = getContext();
if (context == null) {
return false;
}
/*
* As per PR #594, the manager could be provided by the web application and calls to findSession() could trigger
* class loading so set the thread context class loader appropriately to avoid ClassNotFoundException.
*/
ClassLoader originalClassLoader = context.bind(null);
try {
Manager manager = context.getManager();
if (manager == null) {
return false;
}
Session session = null;
try {
session = manager.findSession(requestedSessionId);
} catch (IOException e) {
// Can't find the session
}
if ((session == null) || !session.isValid()) {
// Check for parallel deployment contexts
if (getMappingData().contexts == null) {
return false;
} else {
for (int i = (getMappingData().contexts.length); i > 0; i--) {
Context ctxt = getMappingData().contexts[i - 1];
try {
if (ctxt.getManager().findSession(requestedSessionId) != null) {
return true;
}
} catch (IOException e) {
// Ignore
}
}
return false;
}
}
return true;
} finally {
context.unbind(originalClassLoader);
}
}
@Override
public boolean isUserInRole(String role) {
// Have we got an authenticated principal at all?
if (userPrincipal == null) {
return false;
}
// Identify the Realm we will use for checking role assignments
Context context = getContext();
if (context == null) {
return false;
}
// If the role is "*" then the return value must be false
// Servlet 31, section 13.3
if ("*".equals(role)) {
return false;
}
// If the role is "**" then, unless the application defines a role with
// that name, only check if the user is authenticated
if ("**".equals(role) && !context.findSecurityRole("**")) {
return userPrincipal != null;
}
Realm realm = context.getRealm();
if (realm == null) {
return false;
}
// Check for a role defined directly as a
return realm.hasRole(getWrapper(), userPrincipal, role);
}
/**
* @return the principal that has been authenticated for this Request.
*/
public Principal getPrincipal() {
return userPrincipal;
}
@Override
public Principal getUserPrincipal() {
if (userPrincipal instanceof TomcatPrincipal) {
GSSCredential gssCredential = ((TomcatPrincipal) userPrincipal).getGssCredential();
if (gssCredential != null) {
int left = -1;
try {
// Concurrent calls to this method from an expired session
// can trigger an ISE. If one thread calls logout() below
// before another thread calls getRemainingLifetime() then
// then since logout() eventually calls
// GSSCredential.dispose(), the subsequent call to
// GSSCredential.getRemainingLifetime() will throw an ISE.
// Avoiding the ISE would require locking in this method to
// protect against concurrent access to the GSSCredential.
// That would have a small performance impact. The ISE is
// rare so it is caught and handled rather than avoided.
left = gssCredential.getRemainingLifetime();
} catch (GSSException | IllegalStateException e) {
log.warn(sm.getString("coyoteRequest.gssLifetimeFail", userPrincipal.getName()), e);
}
// zero is expired. Exception above will mean left == -1
// Treat both as expired.
if (left <= 0) {
// GSS credential has expired. Need to re-authenticate.
try {
logout();
} catch (ServletException e) {
// Should never happen (no code called by logout()
// throws a ServletException
}
return null;
}
}
return ((TomcatPrincipal) userPrincipal).getUserPrincipal();
}
return userPrincipal;
}
/**
* @return the session associated with this Request, creating one if necessary.
*/
public Session getSessionInternal() {
return doGetSession(true);
}
/**
* Change the ID of the session that this request is associated with. There are several things that may trigger an
* ID change. These include moving between nodes in a cluster and session fixation prevention during the
* authentication process.
*
* @param newSessionId The session to change the session ID for
*/
public void changeSessionId(String newSessionId) {
// This should only ever be called if there was an old session ID but
// double check to be sure
if (requestedSessionId != null && requestedSessionId.length() > 0) {
requestedSessionId = newSessionId;
}
Context context = getContext();
if (context != null &&
!context.getServletContext().getEffectiveSessionTrackingModes().contains(SessionTrackingMode.COOKIE)) {
return;
}
if (response != null) {
Cookie newCookie = ApplicationSessionCookieConfig.createSessionCookie(context, newSessionId, isSecure());
response.addSessionCookieInternal(newCookie);
}
}
@Override
public String changeSessionId() {
Session session = this.getSessionInternal(false);
if (session == null) {
throw new IllegalStateException(sm.getString("coyoteRequest.changeSessionId"));
}
Manager manager = this.getContext().getManager();
String newSessionId = manager.rotateSessionId(session);
this.changeSessionId(newSessionId);
return newSessionId;
}
/**
* @return the session associated with this Request, creating one if necessary and requested.
*
* @param create Create a new session if one does not exist
*/
public Session getSessionInternal(boolean create) {
return doGetSession(create);
}
/**
* @return true if we have parsed parameters
*/
public boolean isParametersParsed() {
return parametersParsed;
}
/**
* @return true if an attempt has been made to read the request body and all of the request body has
* been read.
*/
public boolean isFinished() {
return coyoteRequest.isFinished();
}
/**
* Check the configuration for aborted uploads and if configured to do so, disable the swallowing of any remaining
* input and close the connection once the response has been written.
*/
protected void checkSwallowInput() {
Context context = getContext();
if (context != null && !context.getSwallowAbortedUploads()) {
coyoteRequest.action(ActionCode.DISABLE_SWALLOW_INPUT, null);
}
}
@Override
public boolean authenticate(HttpServletResponse response) throws IOException, ServletException {
if (response.isCommitted()) {
throw new IllegalStateException(sm.getString("coyoteRequest.authenticate.ise"));
}
return getContext().getAuthenticator().authenticate(this, response);
}
@Override
public void login(String username, String password) throws ServletException {
if (getAuthType() != null || getRemoteUser() != null || getUserPrincipal() != null) {
throw new ServletException(sm.getString("coyoteRequest.alreadyAuthenticated"));
}
getContext().getAuthenticator().login(username, password, this);
}
@Override
public void logout() throws ServletException {
getContext().getAuthenticator().logout(this);
}
@Override
public Collection getParts() throws IOException, IllegalStateException, ServletException {
parseParts();
if (partsParseException != null) {
if (partsParseException instanceof IOException) {
throw (IOException) partsParseException;
} else if (partsParseException instanceof IllegalStateException) {
throw (IllegalStateException) partsParseException;
} else if (partsParseException instanceof ServletException) {
throw (ServletException) partsParseException;
}
}
return parts;
}
private void parseParts() {
// Return immediately if the parts have already been parsed
if (parts != null || partsParseException != null) {
return;
}
Context context = getContext();
MultipartConfigElement mce = getWrapper().getMultipartConfigElement();
if (mce == null) {
if (context.getAllowCasualMultipartParsing()) {
mce = new MultipartConfigElement(null, connector.getMaxPostSize(), connector.getMaxPostSize(),
connector.getMaxPostSize());
} else {
partsParseException = new IllegalStateException(sm.getString("coyoteRequest.noMultipartConfig"));
return;
}
}
int maxParameterCount = getConnector().getMaxParameterCount();
Parameters parameters = coyoteRequest.getParameters();
parameters.setLimit(maxParameterCount);
File location;
String locationStr = mce.getLocation();
if (locationStr == null || locationStr.length() == 0) {
location = ((File) context.getServletContext().getAttribute(ServletContext.TEMPDIR));
} else {
// If relative, it is relative to TEMPDIR
location = new File(locationStr);
if (!location.isAbsolute()) {
location =
new File((File) context.getServletContext().getAttribute(ServletContext.TEMPDIR), locationStr)
.getAbsoluteFile();
}
}
if (!location.exists() && context.getCreateUploadTargets()) {
log.warn(sm.getString("coyoteRequest.uploadCreate", location.getAbsolutePath(),
getMappingData().wrapper.getName()));
if (!location.mkdirs()) {
log.warn(sm.getString("coyoteRequest.uploadCreateFail", location.getAbsolutePath()));
}
}
if (!location.isDirectory()) {
partsParseException = new IOException(sm.getString("coyoteRequest.uploadLocationInvalid", location));
return;
}
// Create a new file upload handler
DiskFileItemFactory factory = new DiskFileItemFactory();
try {
factory.setRepository(location.getCanonicalFile());
} catch (IOException ioe) {
partsParseException = ioe;
return;
}
factory.setSizeThreshold(mce.getFileSizeThreshold());
FileUpload upload = new FileUpload();
upload.setFileItemFactory(factory);
upload.setFileSizeMax(mce.getMaxFileSize());
upload.setSizeMax(mce.getMaxRequestSize());
if (maxParameterCount > -1) {
// There is a limit. The limit for parts needs to be reduced by
// the number of parameters we have already parsed.
// Must be under the limit else parsing parameters would have
// triggered an exception.
upload.setFileCountMax(maxParameterCount - parameters.size());
}
parts = new ArrayList<>();
try {
List items = upload.parseRequest(new ServletRequestContext(this));
int maxPostSize = getConnector().getMaxPostSize();
int postSize = 0;
Charset charset = getCharset();
for (FileItem item : items) {
ApplicationPart part = new ApplicationPart(item, location);
parts.add(part);
if (part.getSubmittedFileName() == null) {
String name = part.getName();
if (maxPostSize >= 0) {
// Have to calculate equivalent size. Not completely
// accurate but close enough.
postSize += name.getBytes(charset).length;
// Equals sign
postSize++;
// Value length
postSize += part.getSize();
// Value separator
postSize++;
if (postSize > maxPostSize) {
throw new IllegalStateException(sm.getString("coyoteRequest.maxPostSizeExceeded"));
}
}
String value = null;
try {
value = part.getString(charset.name());
} catch (UnsupportedEncodingException uee) {
// Not possible
}
parameters.addParameter(name, value);
}
}
} catch (InvalidContentTypeException e) {
partsParseException = new ServletException(e);
return;
} catch (SizeException e) {
checkSwallowInput();
partsParseException = new InvalidParameterException(e, HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE);
return;
} catch (IOException e) {
partsParseException = e;
return;
} catch (IllegalStateException e) {
checkSwallowInput();
partsParseException = e;
return;
}
}
@Override
public Part getPart(String name) throws IOException, IllegalStateException, ServletException {
for (Part part : getParts()) {
if (name.equals(part.getName())) {
return part;
}
}
return null;
}
// ------------------------------------------------------ Protected Methods
protected Session doGetSession(boolean create) {
// There cannot be a session if no context has been assigned yet
Context context = getContext();
if (context == null) {
return null;
}
// Return the current session if it exists and is valid
if ((session != null) && !session.isValid()) {
session = null;
}
if (session != null) {
return session;
}
// Return the requested session if it exists and is valid
Manager manager = context.getManager();
if (manager == null) {
return null; // Sessions are not supported
}
if (requestedSessionId != null) {
try {
session = manager.findSession(requestedSessionId);
} catch (IOException e) {
if (log.isDebugEnabled()) {
log.debug(sm.getString("request.session.failed", requestedSessionId, e.getMessage()), e);
} else {
log.info(sm.getString("request.session.failed", requestedSessionId, e.getMessage()));
}
session = null;
}
if ((session != null) && !session.isValid()) {
session = null;
}
if (session != null) {
session.access();
return session;
}
}
// Create a new session if requested and the response is not committed
if (!create) {
return null;
}
boolean trackModesIncludesCookie =
context.getServletContext().getEffectiveSessionTrackingModes().contains(SessionTrackingMode.COOKIE);
if (trackModesIncludesCookie && response.getResponse().isCommitted()) {
throw new IllegalStateException(sm.getString("coyoteRequest.sessionCreateCommitted"));
}
// Re-use session IDs provided by the client in very limited
// circumstances.
String sessionId = getRequestedSessionId();
if (requestedSessionSSL) {
// If the session ID has been obtained from the SSL handshake then
// use it.
} else if (("/".equals(context.getSessionCookiePath()) && isRequestedSessionIdFromCookie())) {
/*
* This is the common(ish) use case: using the same session ID with multiple web applications on the same
* host. Typically this is used by Portlet implementations. It only works if sessions are tracked via
* cookies. The cookie must have a path of "/" else it won't be provided for requests to all web
* applications.
*
* Any session ID provided by the client should be for a session that already exists somewhere on the host.
* Check if the context is configured for this to be confirmed.
*/
if (context.getValidateClientProvidedNewSessionId()) {
boolean found = false;
for (Container container : getHost().findChildren()) {
Manager m = ((Context) container).getManager();
if (m != null) {
try {
if (m.findSession(sessionId) != null) {
found = true;
break;
}
} catch (IOException e) {
// Ignore. Problems with this manager will be
// handled elsewhere.
}
}
}
if (!found) {
sessionId = null;
}
}
} else {
sessionId = null;
}
session = manager.createSession(sessionId);
// Creating a new session cookie based on that session
if (session != null && trackModesIncludesCookie) {
Cookie cookie =
ApplicationSessionCookieConfig.createSessionCookie(context, session.getIdInternal(), isSecure());
response.addSessionCookieInternal(cookie);
}
if (session == null) {
return null;
}
session.access();
return session;
}
protected String unescape(String s) {
if (s == null) {
return null;
}
if (s.indexOf('\\') == -1) {
return s;
}
StringBuilder buf = new StringBuilder();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
if (c != '\\') {
buf.append(c);
} else {
if (++i >= s.length()) {
throw new IllegalArgumentException();// invalid escape, hence invalid cookie
}
c = s.charAt(i);
buf.append(c);
}
}
return buf.toString();
}
private CookieProcessor getCookieProcessor() {
Context context = getContext();
if (context == null) {
// No context. Possible call from Valve before a Host level
// context rewrite when no ROOT content is configured. Use the
// default CookieProcessor.
return new Rfc6265CookieProcessor();
} else {
return context.getCookieProcessor();
}
}
/**
* Parse cookies. This only parses the cookies into the memory efficient ServerCookies structure. It does not
* populate the Cookie objects.
*/
protected void parseCookies() {
if (cookiesParsed) {
return;
}
cookiesParsed = true;
ServerCookies serverCookies = coyoteRequest.getCookies();
serverCookies.setLimit(connector.getMaxCookieCount());
getCookieProcessor().parseCookieHeader(coyoteRequest.getMimeHeaders(), serverCookies);
}
/**
* Converts the parsed cookies (parsing the Cookie headers first if they have not been parsed) into Cookie objects.
*/
protected void convertCookies() {
if (cookiesConverted) {
return;
}
cookiesConverted = true;
parseCookies();
ServerCookies serverCookies = coyoteRequest.getCookies();
int count = serverCookies.getCookieCount();
if (count <= 0) {
return;
}
cookies = new Cookie[count];
int idx = 0;
for (int i = 0; i < count; i++) {
ServerCookie scookie = serverCookies.getCookie(i);
try {
// We must unescape the '\\' escape character
Cookie cookie = new Cookie(scookie.getName().toString(), null);
scookie.getValue().getByteChunk().setCharset(getCookieProcessor().getCharset());
cookie.setValue(unescape(scookie.getValue().toString()));
cookies[idx++] = cookie;
} catch (IllegalArgumentException e) {
// Ignore bad cookie
}
}
if (idx < count) {
Cookie[] ncookies = new Cookie[idx];
System.arraycopy(cookies, 0, ncookies, 0, idx);
cookies = ncookies;
}
}
/**
* Parse request parameters.
*/
protected void parseParameters() {
doParseParameters();
if (parametersParseException != null) {
throw parametersParseException;
}
}
protected void doParseParameters() {
if (parametersParsed) {
return;
}
parametersParsed = true;
Parameters parameters = coyoteRequest.getParameters();
// Set this every time in case limit has been changed via JMX
int maxParameterCount = getConnector().getMaxParameterCount();
if (parts != null && maxParameterCount > 0) {
maxParameterCount -= parts.size();
}
parameters.setLimit(maxParameterCount);
// getCharacterEncoding() may have been overridden to search for
// hidden form field containing request encoding
Charset charset = getCharset();
boolean useBodyEncodingForURI = connector.getUseBodyEncodingForURI();
parameters.setCharset(charset);
if (useBodyEncodingForURI) {
parameters.setQueryStringCharset(charset);
}
// Note: If !useBodyEncodingForURI, the query string encoding is
// that set towards the start of CoyoteAdapter.service()
parameters.handleQueryParameters();
if (usingInputStream || usingReader) {
return;
}
String contentType = getContentType();
if (contentType == null) {
contentType = "";
}
int semicolon = contentType.indexOf(';');
if (semicolon >= 0) {
contentType = contentType.substring(0, semicolon).trim();
} else {
contentType = contentType.trim();
}
if ("multipart/form-data".equals(contentType)) {
parseParts();
if (partsParseException instanceof IllegalStateException) {
parametersParseException = (IllegalStateException) partsParseException;
} else if (partsParseException != null) {
parametersParseException = new InvalidParameterException(partsParseException);
}
return;
}
if (!getConnector().isParseBodyMethod(getMethod())) {
return;
}
if (!("application/x-www-form-urlencoded".equals(contentType))) {
return;
}
int len = getContentLength();
if (len > 0) {
int maxPostSize = connector.getMaxPostSize();
if ((maxPostSize >= 0) && (len > maxPostSize)) {
String message = sm.getString("coyoteRequest.postTooLarge");
Context context = getContext();
if (context != null && context.getLogger().isDebugEnabled()) {
context.getLogger().debug(message);
}
checkSwallowInput();
parametersParseException =
new InvalidParameterException(message, HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE);
return;
}
byte[] formData = null;
if (len < CACHED_POST_LEN) {
if (postData == null) {
postData = new byte[CACHED_POST_LEN];
}
formData = postData;
} else {
formData = new byte[len];
}
try {
readPostBodyFully(formData, len);
} catch (IOException e) {
Context context = getContext();
if (context != null && context.getLogger().isDebugEnabled()) {
context.getLogger().debug(sm.getString("coyoteRequest.parseParameters"), e);
}
if (e instanceof ClientAbortException) {
// Client has disconnected. Close immediately.
response.getCoyoteResponse().action(ActionCode.CLOSE_NOW, null);
}
if (e instanceof BadRequestException) {
parametersParseException = new InvalidParameterException(e);
} else {
parametersParseException = new InvalidParameterException(new BadRequestException(e));
}
return;
}
parameters.processParameters(formData, 0, len);
} else if ("chunked".equalsIgnoreCase(coyoteRequest.getHeader("transfer-encoding"))) {
byte[] formData = null;
try {
formData = readChunkedPostBody();
} catch (IllegalStateException ise) {
parametersParseException = ise;
return;
} catch (IOException e) {
Context context = getContext();
if (context != null && context.getLogger().isDebugEnabled()) {
context.getLogger().debug(sm.getString("coyoteRequest.parseParameters"), e);
}
if (e instanceof ClientAbortException) {
// Client has disconnected. Close immediately.
response.getCoyoteResponse().action(ActionCode.CLOSE_NOW, null);
}
if (e instanceof BadRequestException) {
parametersParseException = new InvalidParameterException(e);
} else {
parametersParseException = new InvalidParameterException(new BadRequestException(e));
}
return;
}
if (formData != null) {
parameters.processParameters(formData, 0, formData.length);
}
}
}
/**
* Read post body into an array.
*
* @param body The bytes array in which the body will be read
* @param len The body length
*
* @throws IOException if an IO exception occurred or EOF is reached before the body has been fully read
*/
protected void readPostBodyFully(byte[] body, int len) throws IOException {
int offset = 0;
do {
int inputLen = getStream().read(body, offset, len - offset);
if (inputLen <= 0) {
throw new EOFException();
}
offset += inputLen;
} while ((len - offset) > 0);
}
/**
* Read chunked post body.
*
* @return the post body as a bytes array
*
* @throws IOException if an IO exception occurred
*/
protected byte[] readChunkedPostBody() throws IOException {
ByteChunk body = new ByteChunk();
byte[] buffer = new byte[CACHED_POST_LEN];
int len = 0;
while (len > -1) {
len = getStream().read(buffer, 0, CACHED_POST_LEN);
if (connector.getMaxPostSize() >= 0 && (body.getLength() + len) > connector.getMaxPostSize()) {
// Too much data
checkSwallowInput();
throw new InvalidParameterException(sm.getString("coyoteRequest.chunkedPostTooLarge"),
HttpServletResponse.SC_REQUEST_ENTITY_TOO_LARGE);
}
if (len > 0) {
body.append(buffer, 0, len);
}
}
if (body.getLength() == 0) {
return null;
}
if (body.getLength() < body.getBuffer().length) {
int length = body.getLength();
byte[] result = new byte[length];
System.arraycopy(body.getBuffer(), 0, result, 0, length);
return result;
}
return body.getBuffer();
}
/**
* Parse request locales.
*/
protected void parseLocales() {
localesParsed = true;
// Store the accumulated languages that have been requested in
// a local collection, sorted by the quality value (so we can
// add Locales in descending order). The values will be ArrayLists
// containing the corresponding Locales to be added
TreeMap> locales = new TreeMap<>();
Enumeration values = getHeaders("accept-language");
while (values.hasMoreElements()) {
String value = values.nextElement();
parseLocalesHeader(value, locales);
}
// Process the quality values in highest->lowest order (due to
// negating the Double value when creating the key)
for (ArrayList list : locales.values()) {
for (Locale locale : list) {
addLocale(locale);
}
}
}
/**
* Parse accept-language header value.
*
* @param value the header value
* @param locales the map that will hold the result
*/
protected void parseLocalesHeader(String value, TreeMap> locales) {
List acceptLanguages;
try {
acceptLanguages = AcceptLanguage.parse(new StringReader(value));
} catch (IOException e) {
// Mal-formed headers are ignore. Do the same in the unlikely event
// of an IOException.
return;
}
for (AcceptLanguage acceptLanguage : acceptLanguages) {
// Add a new Locale to the list of Locales for this quality level
Double key = Double.valueOf(-acceptLanguage.getQuality()); // Reverse the order
locales.computeIfAbsent(key, k -> new ArrayList<>()).add(acceptLanguage.getLocale());
}
}
// ----------------------------------------------------- Special attributes handling
private interface SpecialAttributeAdapter {
Object get(Request request, String name);
void set(Request request, String name, Object value);
// None of special attributes support removal
// void remove(Request request, String name);
}
private static final Map specialAttributes = new HashMap<>();
static {
specialAttributes.put(Globals.DISPATCHER_TYPE_ATTR, new SpecialAttributeAdapter() {
@Override
public Object get(Request request, String name) {
return (request.internalDispatcherType == null) ? DispatcherType.REQUEST :
request.internalDispatcherType;
}
@Override
public void set(Request request, String name, Object value) {
request.internalDispatcherType = (DispatcherType) value;
}
});
specialAttributes.put(Globals.DISPATCHER_REQUEST_PATH_ATTR, new SpecialAttributeAdapter() {
@Override
public Object get(Request request, String name) {
return (request.requestDispatcherPath == null) ? request.getRequestPathMB().toString() :
request.requestDispatcherPath.toString();
}
@Override
public void set(Request request, String name, Object value) {
request.requestDispatcherPath = value;
}
});
specialAttributes.put(Globals.ASYNC_SUPPORTED_ATTR, new SpecialAttributeAdapter() {
@Override
public Object get(Request request, String name) {
return request.asyncSupported;
}
@Override
public void set(Request request, String name, Object value) {
Boolean oldValue = request.asyncSupported;
request.asyncSupported = (Boolean) value;
request.notifyAttributeAssigned(name, value, oldValue);
}
});
specialAttributes.put(Globals.GSS_CREDENTIAL_ATTR, new SpecialAttributeAdapter() {
@Override
public Object get(Request request, String name) {
if (request.userPrincipal instanceof TomcatPrincipal) {
return ((TomcatPrincipal) request.userPrincipal).getGssCredential();
}
return null;
}
@Override
public void set(Request request, String name, Object value) {
// NO-OP
}
});
specialAttributes.put(Globals.SENDFILE_SUPPORTED_ATTR, new SpecialAttributeAdapter() {
@Override
public Object get(Request request, String name) {
return Boolean.valueOf(request.getConnector().getProtocolHandler().isSendfileSupported() &&
request.getCoyoteRequest().getSendfile());
}
@Override
public void set(Request request, String name, Object value) {
// NO-OP
}
});
specialAttributes.put(Globals.REMOTE_IP_FILTER_SECURE, new SpecialAttributeAdapter() {
@Override
public Object get(Request request, String name) {
return Boolean.valueOf(request.isSecure());
}
@Override
public void set(Request request, String name, Object value) {
if (value instanceof Boolean) {
request.setSecure(((Boolean) value).booleanValue());
}
}
});
}
}