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/*
* 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.net.InetAddress;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import javax.management.ObjectName;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.LifecycleState;
import org.apache.catalina.Service;
import org.apache.catalina.core.AprLifecycleListener;
import org.apache.catalina.mbeans.MBeanUtils;
import org.apache.catalina.util.LifecycleMBeanBase;
import org.apache.coyote.Adapter;
import org.apache.coyote.ProtocolHandler;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.IntrospectionUtils;
import org.apache.tomcat.util.http.mapper.Mapper;
import org.apache.tomcat.util.res.StringManager;
/**
* Implementation of a Coyote connector.
*
* @author Craig R. McClanahan
* @author Remy Maucherat
*/
public class Connector extends LifecycleMBeanBase {
private static final Log log = LogFactory.getLog(Connector.class);
/**
* Alternate flag to enable recycling of facades.
*/
public static final boolean RECYCLE_FACADES =
Boolean.parseBoolean(System.getProperty("org.apache.catalina.connector.RECYCLE_FACADES", "false"));
// ------------------------------------------------------------ Constructor
public Connector() {
this(null);
}
public Connector(String protocol) {
setProtocol(protocol);
// Instantiate protocol handler
try {
Class clazz = Class.forName(protocolHandlerClassName);
this.protocolHandler = (ProtocolHandler) clazz.newInstance();
} catch (Exception e) {
log.error(sm.getString(
"coyoteConnector.protocolHandlerInstantiationFailed"), e);
}
}
// ----------------------------------------------------- Instance Variables
/**
* The Service we are associated with (if any).
*/
protected Service service = null;
/**
* Do we allow TRACE ?
*/
protected boolean allowTrace = false;
/**
* Default timeout for asynchronous requests (ms).
*/
protected long asyncTimeout = 10000;
/**
* The "enable DNS lookups" flag for this Connector.
*/
protected boolean enableLookups = false;
/*
* Is generation of X-Powered-By response header enabled/disabled?
*/
protected boolean xpoweredBy = false;
/**
* Descriptive information about this Connector implementation.
*/
protected static final String info =
"org.apache.catalina.connector.Connector/2.1";
/**
* The port number on which we listen for requests.
*/
protected int port = -1;
/**
* The server name to which we should pretend requests to this Connector
* were directed. This is useful when operating Tomcat behind a proxy
* server, so that redirects get constructed accurately. If not specified,
* the server name included in the Host header is used.
*/
protected String proxyName = null;
/**
* The server port to which we should pretend requests to this Connector
* were directed. This is useful when operating Tomcat behind a proxy
* server, so that redirects get constructed accurately. If not specified,
* the port number specified by the port property is used.
*/
protected int proxyPort = 0;
/**
* The redirect port for non-SSL to SSL redirects.
*/
protected int redirectPort = 443;
/**
* The request scheme that will be set on all requests received
* through this connector.
*/
protected String scheme = "http";
/**
* The secure connection flag that will be set on all requests received
* through this connector.
*/
protected boolean secure = false;
/**
* The string manager for this package.
*/
protected static final StringManager sm =
StringManager.getManager(Constants.Package);
/**
* The maximum number of parameters (GET plus POST) which will be
* automatically parsed by the container. 10000 by default. A value of less
* than 0 means no limit.
*/
protected int maxParameterCount = 10000;
/**
* Maximum size of a POST which will be automatically parsed by the
* container. 2MB by default.
*/
protected int maxPostSize = 2 * 1024 * 1024;
/**
* Maximum size of a POST which will be saved by the container
* during authentication. 4kB by default
*/
protected int maxSavePostSize = 4 * 1024;
/**
* Comma-separated list of HTTP methods that will be parsed according
* to POST-style rules for application/x-www-form-urlencoded request bodies.
*/
protected String parseBodyMethods = "POST";
/**
* A Set of methods determined by {@link #parseBodyMethods}.
*/
protected HashSet parseBodyMethodsSet;
/**
* Flag to use IP-based virtual hosting.
*/
protected boolean useIPVHosts = false;
/**
* Coyote Protocol handler class name.
* Defaults to the Coyote HTTP/1.1 protocolHandler.
*/
protected String protocolHandlerClassName =
"org.apache.coyote.http11.Http11Protocol";
/**
* Coyote protocol handler.
*/
protected ProtocolHandler protocolHandler = null;
/**
* Coyote adapter.
*/
protected Adapter adapter = null;
/**
* Mapper.
*/
protected Mapper mapper = new Mapper();
/**
* Mapper listener.
*/
protected MapperListener mapperListener = new MapperListener(mapper, this);
/**
* URI encoding.
*/
protected String URIEncoding = null;
/**
* URI encoding as body.
*/
protected boolean useBodyEncodingForURI = false;
protected static HashMap replacements =
new HashMap();
static {
replacements.put("acceptCount", "backlog");
replacements.put("connectionLinger", "soLinger");
replacements.put("connectionTimeout", "soTimeout");
replacements.put("rootFile", "rootfile");
}
// ------------------------------------------------------------- Properties
/**
* Return a configured property.
*/
public Object getProperty(String name) {
String repl = name;
if (replacements.get(name) != null) {
repl = replacements.get(name);
}
return IntrospectionUtils.getProperty(protocolHandler, repl);
}
/**
* Set a configured property.
*/
public boolean setProperty(String name, String value) {
String repl = name;
if (replacements.get(name) != null) {
repl = replacements.get(name);
}
return IntrospectionUtils.setProperty(protocolHandler, repl, value);
}
/**
* Return a configured property.
*/
public Object getAttribute(String name) {
return getProperty(name);
}
/**
* Set a configured property.
*/
public void setAttribute(String name, Object value) {
setProperty(name, String.valueOf(value));
}
/**
* Return the Service with which we are associated (if any).
*/
public Service getService() {
return (this.service);
}
/**
* Set the Service with which we are associated (if any).
*
* @param service The service that owns this Engine
*/
public void setService(Service service) {
this.service = service;
}
/**
* True if the TRACE method is allowed. Default value is "false".
*/
public boolean getAllowTrace() {
return (this.allowTrace);
}
/**
* Set the allowTrace flag, to disable or enable the TRACE HTTP method.
*
* @param allowTrace The new allowTrace flag
*/
public void setAllowTrace(boolean allowTrace) {
this.allowTrace = allowTrace;
setProperty("allowTrace", String.valueOf(allowTrace));
}
/**
* Return the default timeout for async requests in ms.
*/
public long getAsyncTimeout() {
return asyncTimeout;
}
/**
* Set the default timeout for async requests.
*
* @param asyncTimeout The new timeout in ms.
*/
public void setAsyncTimeout(long asyncTimeout) {
this.asyncTimeout= asyncTimeout;
setProperty("asyncTimeout", String.valueOf(asyncTimeout));
}
/**
* Return the "enable DNS lookups" flag.
*/
public boolean getEnableLookups() {
return (this.enableLookups);
}
/**
* Set the "enable DNS lookups" flag.
*
* @param enableLookups The new "enable DNS lookups" flag value
*/
public void setEnableLookups(boolean enableLookups) {
this.enableLookups = enableLookups;
setProperty("enableLookups", String.valueOf(enableLookups));
}
/**
* Return descriptive information about this Connector implementation.
*/
public String getInfo() {
return (info);
}
/**
* Return the mapper.
*/
public Mapper getMapper() {
return (mapper);
}
/**
* Return the maximum number of headers that are allowed by the container. A
* value of less than 0 means no limit.
*/
public int getMaxHeaderCount() {
return ((Integer) getProperty("maxHeaderCount")).intValue();
}
/**
* Set the maximum number of headers in a request that are allowed by the
* container. A value of less than 0 means no limit.
*
* @param maxHeaderCount The new setting
*/
public void setMaxHeaderCount(int maxHeaderCount) {
setProperty("maxHeaderCount", String.valueOf(maxHeaderCount));
}
/**
* Return the maximum number of parameters (GET plus POST) that will be
* automatically parsed by the container. A value of less than 0 means no
* limit.
*/
public int getMaxParameterCount() {
return maxParameterCount;
}
/**
* Set the maximum number of parameters (GET plus POST) that will be
* automatically parsed by the container. A value of less than 0 means no
* limit.
*
* @param maxParameterCount The new setting
*/
public void setMaxParameterCount(int maxParameterCount) {
this.maxParameterCount = maxParameterCount;
}
/**
* Return the maximum size of a POST which will be automatically
* parsed by the container.
*/
public int getMaxPostSize() {
return (maxPostSize);
}
/**
* Set the maximum size of a POST which will be automatically
* parsed by the container.
*
* @param maxPostSize The new maximum size in bytes of a POST which will
* be automatically parsed by the container
*/
public void setMaxPostSize(int maxPostSize) {
this.maxPostSize = maxPostSize;
}
/**
* Return the maximum size of a POST which will be saved by the container
* during authentication.
*/
public int getMaxSavePostSize() {
return (maxSavePostSize);
}
/**
* Set the maximum size of a POST which will be saved by the container
* during authentication.
*
* @param maxSavePostSize The new maximum size in bytes of a POST which will
* be saved by the container during authentication.
*/
public void setMaxSavePostSize(int maxSavePostSize) {
this.maxSavePostSize = maxSavePostSize;
setProperty("maxSavePostSize", String.valueOf(maxSavePostSize));
}
public String getParseBodyMethods() {
return this.parseBodyMethods;
}
public void setParseBodyMethods(String methods) {
HashSet methodSet = new HashSet();
if( null != methods ) {
methodSet.addAll(Arrays.asList(methods.split("\\s*,\\s*")));
}
if( methodSet.contains("TRACE") ) {
throw new IllegalArgumentException(sm.getString("coyoteConnector.parseBodyMethodNoTrace"));
}
this.parseBodyMethods = methods;
this.parseBodyMethodsSet = methodSet;
}
protected boolean isParseBodyMethod(String method) {
return parseBodyMethodsSet.contains(method);
}
/**
* Return the port number on which this connector is configured to listen
* for requests. The special value of 0 means select a random free port
* when the socket is bound.
*/
public int getPort() {
return (this.port);
}
/**
* Set the port number on which we listen for requests.
*
* @param port The new port number
*/
public void setPort(int port) {
this.port = port;
setProperty("port", String.valueOf(port));
}
/**
* Return the port number on which this connector is listening to requests.
* If the special value for {@link #port} of zero is used then this method
* will report the actual port bound.
*/
public int getLocalPort() {
return ((Integer) getProperty("localPort")).intValue();
}
/**
* Return the Coyote protocol handler in use.
*/
public String getProtocol() {
if ("org.apache.coyote.http11.Http11Protocol".equals
(getProtocolHandlerClassName())
|| "org.apache.coyote.http11.Http11AprProtocol".equals
(getProtocolHandlerClassName())) {
return "HTTP/1.1";
} else if ("org.apache.coyote.ajp.AjpProtocol".equals
(getProtocolHandlerClassName())
|| "org.apache.coyote.ajp.AjpAprProtocol".equals
(getProtocolHandlerClassName())) {
return "AJP/1.3";
}
return getProtocolHandlerClassName();
}
/**
* Set the Coyote protocol which will be used by the connector.
*
* @param protocol The Coyote protocol name
*/
public void setProtocol(String protocol) {
if (AprLifecycleListener.isAprAvailable()) {
if ("HTTP/1.1".equals(protocol)) {
setProtocolHandlerClassName
("org.apache.coyote.http11.Http11AprProtocol");
} else if ("AJP/1.3".equals(protocol)) {
setProtocolHandlerClassName
("org.apache.coyote.ajp.AjpAprProtocol");
} else if (protocol != null) {
setProtocolHandlerClassName(protocol);
} else {
setProtocolHandlerClassName
("org.apache.coyote.http11.Http11AprProtocol");
}
} else {
if ("HTTP/1.1".equals(protocol)) {
setProtocolHandlerClassName
("org.apache.coyote.http11.Http11Protocol");
} else if ("AJP/1.3".equals(protocol)) {
setProtocolHandlerClassName
("org.apache.coyote.ajp.AjpProtocol");
} else if (protocol != null) {
setProtocolHandlerClassName(protocol);
}
}
}
/**
* Return the class name of the Coyote protocol handler in use.
*/
public String getProtocolHandlerClassName() {
return (this.protocolHandlerClassName);
}
/**
* Set the class name of the Coyote protocol handler which will be used
* by the connector.
*
* @param protocolHandlerClassName The new class name
*/
public void setProtocolHandlerClassName(String protocolHandlerClassName) {
this.protocolHandlerClassName = protocolHandlerClassName;
}
/**
* Return the protocol handler associated with the connector.
*/
public ProtocolHandler getProtocolHandler() {
return (this.protocolHandler);
}
/**
* Return the proxy server name for this Connector.
*/
public String getProxyName() {
return (this.proxyName);
}
/**
* Set the proxy server name for this Connector.
*
* @param proxyName The new proxy server name
*/
public void setProxyName(String proxyName) {
if(proxyName != null && proxyName.length() > 0) {
this.proxyName = proxyName;
setProperty("proxyName", proxyName);
} else {
this.proxyName = null;
}
}
/**
* Return the proxy server port for this Connector.
*/
public int getProxyPort() {
return (this.proxyPort);
}
/**
* Set the proxy server port for this Connector.
*
* @param proxyPort The new proxy server port
*/
public void setProxyPort(int proxyPort) {
this.proxyPort = proxyPort;
setProperty("proxyPort", String.valueOf(proxyPort));
}
/**
* Return the port number to which a request should be redirected if
* it comes in on a non-SSL port and is subject to a security constraint
* with a transport guarantee that requires SSL.
*/
public int getRedirectPort() {
return (this.redirectPort);
}
/**
* Set the redirect port number.
*
* @param redirectPort The redirect port number (non-SSL to SSL)
*/
public void setRedirectPort(int redirectPort) {
this.redirectPort = redirectPort;
setProperty("redirectPort", String.valueOf(redirectPort));
}
/**
* Return the scheme that will be assigned to requests received
* through this connector. Default value is "http".
*/
public String getScheme() {
return (this.scheme);
}
/**
* Set the scheme that will be assigned to requests received through
* this connector.
*
* @param scheme The new scheme
*/
public void setScheme(String scheme) {
this.scheme = scheme;
}
/**
* Return the secure connection flag that will be assigned to requests
* received through this connector. Default value is "false".
*/
public boolean getSecure() {
return (this.secure);
}
/**
* Set the secure connection flag that will be assigned to requests
* received through this connector.
*
* @param secure The new secure connection flag
*/
public void setSecure(boolean secure) {
this.secure = secure;
setProperty("secure", Boolean.toString(secure));
}
/**
* Return the character encoding to be used for the URI.
*/
public String getURIEncoding() {
return (this.URIEncoding);
}
/**
* Set the URI encoding to be used for the URI.
*
* @param URIEncoding The new URI character encoding.
*/
public void setURIEncoding(String URIEncoding) {
this.URIEncoding = URIEncoding;
setProperty("uRIEncoding", URIEncoding);
}
/**
* Return the true if the entity body encoding should be used for the URI.
*/
public boolean getUseBodyEncodingForURI() {
return (this.useBodyEncodingForURI);
}
/**
* Set if the entity body encoding should be used for the URI.
*
* @param useBodyEncodingForURI The new value for the flag.
*/
public void setUseBodyEncodingForURI(boolean useBodyEncodingForURI) {
this.useBodyEncodingForURI = useBodyEncodingForURI;
setProperty
("useBodyEncodingForURI", String.valueOf(useBodyEncodingForURI));
}
/**
* Indicates whether the generation of an X-Powered-By response header for
* servlet-generated responses is enabled or disabled for this Connector.
*
* @return true if generation of X-Powered-By response header is enabled,
* false otherwise
*/
public boolean getXpoweredBy() {
return xpoweredBy;
}
/**
* Enables or disables the generation of an X-Powered-By header (with value
* Servlet/2.5) for all servlet-generated responses returned by this
* Connector.
*
* @param xpoweredBy true if generation of X-Powered-By response header is
* to be enabled, false otherwise
*/
public void setXpoweredBy(boolean xpoweredBy) {
this.xpoweredBy = xpoweredBy;
setProperty("xpoweredBy", String.valueOf(xpoweredBy));
}
/**
* Enable the use of IP-based virtual hosting.
*
* @param useIPVHosts true if Hosts are identified by IP,
* false/code> if Hosts are identified by name.
*/
public void setUseIPVHosts(boolean useIPVHosts) {
this.useIPVHosts = useIPVHosts;
setProperty("useIPVHosts", String.valueOf(useIPVHosts));
}
/**
* Test if IP-based virtual hosting is enabled.
*/
public boolean getUseIPVHosts() {
return useIPVHosts;
}
public String getExecutorName() {
Object obj = protocolHandler.getExecutor();
if (obj instanceof org.apache.catalina.Executor) {
return ((org.apache.catalina.Executor) obj).getName();
}
return "Internal";
}
// --------------------------------------------------------- Public Methods
/**
* Create (or allocate) and return a Request object suitable for
* specifying the contents of a Request to the responsible Container.
*/
public Request createRequest() {
Request request = new Request();
request.setConnector(this);
return (request);
}
/**
* Create (or allocate) and return a Response object suitable for
* receiving the contents of a Response from the responsible Container.
*/
public Response createResponse() {
Response response = new Response();
response.setConnector(this);
return (response);
}
protected String createObjectNameKeyProperties(String type) {
Object addressObj = getProperty("address");
StringBuilder sb = new StringBuilder("type=");
sb.append(type);
sb.append(",port=");
int port = getPort();
if (port > 0) {
sb.append(port);
} else {
sb.append("auto-");
sb.append(getProperty("nameIndex"));
}
String address = "";
if (addressObj instanceof InetAddress) {
address = ((InetAddress) addressObj).getHostAddress();
} else if (addressObj != null) {
address = addressObj.toString();
}
if (address.length() > 0) {
sb.append(",address=");
sb.append(ObjectName.quote(address));
}
return sb.toString();
}
/**
* Pause the connector.
*/
public void pause() {
try {
protocolHandler.pause();
} catch (Exception e) {
log.error(sm.getString
("coyoteConnector.protocolHandlerPauseFailed"), e);
}
}
/**
* Pause the connector.
*/
public void resume() {
try {
protocolHandler.resume();
} catch (Exception e) {
log.error(sm.getString
("coyoteConnector.protocolHandlerResumeFailed"), e);
}
}
@Override
protected void initInternal() throws LifecycleException {
super.initInternal();
// Initialize adapter
adapter = new CoyoteAdapter(this);
protocolHandler.setAdapter(adapter);
// Make sure parseBodyMethodsSet has a default
if( null == parseBodyMethodsSet ) {
setParseBodyMethods(getParseBodyMethods());
}
if (protocolHandler.isAprRequired() &&
!AprLifecycleListener.isAprAvailable()) {
throw new LifecycleException(
sm.getString("coyoteConnector.protocolHandlerNoApr",
getProtocolHandlerClassName()));
}
try {
protocolHandler.init();
} catch (Exception e) {
throw new LifecycleException
(sm.getString
("coyoteConnector.protocolHandlerInitializationFailed"), e);
}
// Initialize mapper listener
mapperListener.init();
}
/**
* Begin processing requests via this Connector.
*
* @exception LifecycleException if a fatal startup error occurs
*/
@Override
protected void startInternal() throws LifecycleException {
// Validate settings before starting
if (getPort() < 0) {
throw new LifecycleException(sm.getString(
"coyoteConnector.invalidPort", Integer.valueOf(getPort())));
}
setState(LifecycleState.STARTING);
try {
protocolHandler.start();
} catch (Exception e) {
String errPrefix = "";
if(this.service != null) {
errPrefix += "service.getName(): \"" + this.service.getName() + "\"; ";
}
throw new LifecycleException
(errPrefix + " " + sm.getString
("coyoteConnector.protocolHandlerStartFailed"), e);
}
mapperListener.start();
}
/**
* Terminate processing requests via this Connector.
*
* @exception LifecycleException if a fatal shutdown error occurs
*/
@Override
protected void stopInternal() throws LifecycleException {
setState(LifecycleState.STOPPING);
try {
protocolHandler.stop();
} catch (Exception e) {
throw new LifecycleException
(sm.getString
("coyoteConnector.protocolHandlerStopFailed"), e);
}
mapperListener.stop();
}
@Override
protected void destroyInternal() throws LifecycleException {
mapperListener.destroy();
try {
protocolHandler.destroy();
} catch (Exception e) {
throw new LifecycleException
(sm.getString
("coyoteConnector.protocolHandlerDestroyFailed"), e);
}
if (getService() != null) {
getService().removeConnector(this);
}
super.destroyInternal();
}
/**
* Provide a useful toString() implementation as it may be used when logging
* Lifecycle errors to identify the component.
*/
@Override
public String toString() {
// Not worth caching this right now
StringBuilder sb = new StringBuilder("Connector[");
sb.append(getProtocol());
sb.append('-');
int port = getPort();
if (port > 0) {
sb.append(port);
} else {
sb.append("auto-");
sb.append(getProperty("nameIndex"));
}
sb.append(']');
return sb.toString();
}
// -------------------- JMX registration --------------------
@Override
protected String getDomainInternal() {
return MBeanUtils.getDomain(getService());
}
@Override
protected String getObjectNameKeyProperties() {
return createObjectNameKeyProperties("Connector");
}
}
