Glassfish example source code file (CoyoteAdapter.java)
The Glassfish CoyoteAdapter.java source code/*
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package org.apache.catalina.connector;
import com.sun.appserv.ProxyHandler;
import com.sun.grizzly.config.ContextRootInfo;
import com.sun.grizzly.tcp.ActionCode;
import com.sun.grizzly.tcp.Adapter;
import com.sun.grizzly.util.buf.ByteChunk;
import com.sun.grizzly.util.buf.CharChunk;
import com.sun.grizzly.util.buf.MessageBytes;
import com.sun.grizzly.util.http.mapper.MappingData;
import org.apache.catalina.*;
import org.apache.catalina.core.ContainerBase;
import org.apache.catalina.util.ServerInfo;
import org.apache.catalina.util.StringManager;
import org.glassfish.web.valve.GlassFishValve;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Implementation of a request processor which delegates the processing to a
* Coyote processor.
*
* @author Craig R. McClanahan
* @author Remy Maucherat
* @version $Revision: 1.34 $ $Date: 2007/08/24 18:38:28 $
*/
public class CoyoteAdapter
implements Adapter
{
private static Logger log = Logger.getLogger(CoyoteAdapter.class.getName());
// -------------------------------------------------------------- Constants
private static final String POWERED_BY = "Servlet/3.0 JSP/2.2 " +
"(" + ServerInfo.getServerInfo() + " Java/" +
System.getProperty("java.vm.vendor") + "/" +
System.getProperty("java.specification.version") + ")";
protected boolean v3Enabled =
Boolean.valueOf(System.getProperty("v3.grizzly.useMapper", "true")).booleanValue();
public static final int ADAPTER_NOTES = 1;
static final String JVM_ROUTE = System.getProperty("jvmRoute");
protected static final boolean ALLOW_BACKSLASH =
Boolean.valueOf(System.getProperty("com.sun.grizzly.tcp.tomcat5.CoyoteAdapter.ALLOW_BACKSLASH", "false")).booleanValue();
private static final boolean COLLAPSE_ADJACENT_SLASHES =
Boolean.valueOf(System.getProperty(
"com.sun.enterprise.web.collapseAdjacentSlashes", "true")).booleanValue();
/**
* When mod_jk is used, the adapter must be invoked the same way
* Tomcat does by invoking service(...) and the afterService(...). This
* is a hack to make it compatible with Tomcat 5|6.
*/
private boolean compatWithTomcat = false;
private String serverName = ServerInfo.getPublicServerInfo();
// Make sure this value is always aligned with {@link ContainerMapper}
// (@see com.sun.enterprise.v3.service.impl.ContainerMapper)
private final static int MAPPING_DATA = 12;
// ----------------------------------------------------------- Constructors
/**
* Construct a new CoyoteProcessor associated with the specified connector.
*
* @param connector CoyoteConnector that owns this processor
*/
public CoyoteAdapter(Connector connector) {
super();
this.connector = connector;
this.debug = connector.getDebug();
}
// ----------------------------------------------------- Instance Variables
/**
* The CoyoteConnector with which this processor is associated.
*/
private Connector connector = null;
/**
* The debugging detail level for this component.
*/
private int debug = 0;
/**
* The string manager for this package.
*/
protected static final StringManager sm =
StringManager.getManager(Constants.Package);
// -------------------------------------------------------- Adapter Methods
/**
* Service method.
*/
@Override
public void service(com.sun.grizzly.tcp.Request req,
com.sun.grizzly.tcp.Response res)
throws Exception {
res.setAllowCustomReasonPhrase(Constants.USE_CUSTOM_STATUS_MSG_IN_HEADER);
Request request = (Request) req.getNote(ADAPTER_NOTES);
Response response = (Response) res.getNote(ADAPTER_NOTES);
// Grizzly already parsed, decoded, and mapped the request.
// Let's re-use this info here, before firing the
// requestStartEvent probe, so that the mapping data will be
// available to any probe event listener via standard
// ServletRequest APIs (such as getContextPath())
MappingData md = (MappingData)req.getNote(MAPPING_DATA);
if (md == null){
v3Enabled = false;
} else {
v3Enabled = true;
}
if (request == null) {
// Create objects
request = (Request) connector.createRequest();
request.setCoyoteRequest(req);
response = (Response) connector.createResponse();
response.setCoyoteResponse(res);
// Link objects
request.setResponse(response);
response.setRequest(request);
// Set as notes
req.setNote(ADAPTER_NOTES, request);
res.setNote(ADAPTER_NOTES, response);
// Set query string encoding
req.getParameters().setQueryStringEncoding
(connector.getURIEncoding());
}
if (v3Enabled && !compatWithTomcat) {
if (md != null) {
request.setMappingData(md);
request.updatePaths(md);
}
}
try {
doService(req, request, res, response);
} catch (IOException e) {
// Recycle the wrapper request and response
request.recycle();
response.recycle();
} catch (Throwable t) {
log.log(Level.SEVERE, sm.getString("coyoteAdapter.service"), t);
// Recycle the wrapper request and response
request.recycle();
response.recycle();
}
}
private void doService(com.sun.grizzly.tcp.Request req,
Request request,
com.sun.grizzly.tcp.Response res,
Response response)
throws Exception {
// START SJSAS 6331392
// Check connector for disabled state
if (!connector.isEnabled()) {
String msg = sm.getString("coyoteAdapter.listenerOff",
String.valueOf(connector.getPort()));
if (log.isLoggable(Level.FINE)) {
log.fine(msg);
}
response.sendError(HttpServletResponse.SC_NOT_FOUND, msg);
return;
}
// END SJSAS 6331392
if (connector.isXpoweredBy()) {
response.addHeader("X-Powered-By", POWERED_BY);
}
// Parse and set Catalina and configuration specific
// request parameters
if ( postParseRequest(req, request, res, response) ) {
// START S1AS 6188932
boolean authPassthroughEnabled =
connector.getAuthPassthroughEnabled();
ProxyHandler proxyHandler = connector.getProxyHandler();
if (authPassthroughEnabled && proxyHandler != null) {
// START SJSAS 6397218
if (proxyHandler.getSSLKeysize(
(HttpServletRequest)request.getRequest()) > 0) {
request.setSecure(true);
}
// END SJSAS 6397218
X509Certificate[] certs = null;
try {
certs = proxyHandler.getSSLClientCertificateChain(
request.getRequest());
} catch (CertificateException ce) {
log.log(Level.SEVERE,
sm.getString("coyoteAdapter.proxyAuthCertError"),
ce);
}
if (certs != null) {
request.setAttribute(Globals.CERTIFICATES_ATTR,
certs);
}
}
// END S1AS 6188932
if (serverName != null && !serverName.isEmpty()) {
response.addHeader("Server", serverName);
}
// Invoke the web container
connector.requestStartEvent(request.getRequest(),
request.getHost(), request.getContext());
Container container = connector.getContainer();
try {
if (container.getPipeline().hasNonBasicValves() ||
container.hasCustomPipeline()) {
container.getPipeline().invoke(request, response);
} else {
// Invoke host directly
Host host = request.getHost();
if (host == null) {
response.sendError(HttpServletResponse.SC_BAD_REQUEST);
response.setDetailMessage(sm.getString(
"standardEngine.noHost",
request.getRequest().getServerName()));
return;
}
if (host.getPipeline().hasNonBasicValves() ||
host.hasCustomPipeline()) {
host.getPipeline().invoke(request, response);
} else {
GlassFishValve hostValve = host.getPipeline().getBasic();
hostValve.invoke(request, response);
// Error handling
hostValve.postInvoke(request, response);
}
}
} finally {
connector.requestEndEvent(request.getRequest(),
request.getHost(), request.getContext(),
response.getStatus());
}
}
/* GlassFish Issue 798
response.finishResponse();
req.action( ActionCode.ACTION_POST_REQUEST , null);
*/
// START GlassFish Issue 798
if (compatWithTomcat) {
afterService(req, res);
}
// END GlassFish Issue 798
}
// START GlassFish Issue 798
/**
* Finish the response and close the connection based on the connection
* header.
*/
@Override
public void afterService(com.sun.grizzly.tcp.Request req,
com.sun.grizzly.tcp.Response res)
throws Exception{
Request request = (Request) req.getNote(ADAPTER_NOTES);
Response response = (Response) res.getNote(ADAPTER_NOTES);
if ( request == null || response == null) return;
try{
if (!res.isSuspended()){
response.finishResponse();
req.action( ActionCode.ACTION_POST_REQUEST , null);
} else {
if (request != null) {
request.onAfterService();
}
}
} catch (Throwable t) {
log.log(Level.SEVERE, sm.getString("coyoteAdapter.service"), t);
} finally {
if (!res.isSuspended()){
// Recycle the wrapper request and response
request.recycle();
response.recycle();
}
}
}
// END GlassFish Issue 798
// ------------------------------------------------------ Protected Methods
/**
* Parse additional request parameters.
*/
protected boolean postParseRequest(com.sun.grizzly.tcp.Request req,
Request request,
com.sun.grizzly.tcp.Response res,
Response response)
throws Exception {
// XXX the processor may have set a correct scheme and port prior to this point,
// in ajp13 protocols dont make sense to get the port from the connector...
// otherwise, use connector configuration
if (! req.scheme().isNull()) {
// use processor specified scheme to determine secure state
request.setSecure(req.scheme().equals("https"));
} else {
// use connector scheme and secure configuration, (defaults to
// "http" and false respectively)
req.scheme().setString(connector.getScheme());
request.setSecure(connector.getSecure());
}
// FIXME: the code below doesnt belongs to here,
// this is only have sense
// in Http11, not in ajp13..
// At this point the Host header has been processed.
// Override if the proxyPort/proxyHost are set
String proxyName = connector.getProxyName();
int proxyPort = connector.getProxyPort();
if (proxyPort != 0) {
req.setServerPort(proxyPort);
}
if (proxyName != null) {
req.serverName().setString(proxyName);
}
// URI decoding
MessageBytes decodedURI = req.decodedURI();
if (compatWithTomcat || !v3Enabled) {
decodedURI.duplicate(req.requestURI());
try {
req.getURLDecoder().convert(decodedURI, false);
} catch (IOException ioe) {
res.setStatus(400);
res.setMessage("Invalid URI: " + ioe.getMessage());
return false;
}
/* GlassFish Issue 2339
// Normalize decoded URI
if (!normalize(req.decodedURI())) {
res.setStatus(400);
res.setMessage("Invalid URI");
return false;
}
*/
// Set the remote principal
String principal = req.getRemoteUser().toString();
if (principal != null) {
request.setUserPrincipal(new CoyotePrincipal(principal));
}
// Set the authorization type
String authtype = req.getAuthType().toString();
if (authtype != null) {
request.setAuthType(authtype);
}
/* CR 6309511
// URI character decoding
convertURI(decodedURI, request);
// Parse session Id
parseSessionId(req, request);
*/
// START CR 6309511
// URI character decoding
request.convertURI(decodedURI);
// START GlassFish Issue 2339
// Normalize decoded URI
if (!normalize(decodedURI)) {
res.setStatus(400);
res.setMessage("Invalid URI");
return false;
}
// END GlassFish Issue 2339
}
// END CR 6309511
/*
* Remove any parameters from the URI, so they won't be considered
* by the mapping algorithm, and save them in a temporary CharChunk,
* so that any session id param may be parsed once the target
* context, which may use a custom session parameter name, has been
* identified
*/
CharChunk uriParamsCC = request.getURIParams();
CharChunk uriCC = decodedURI.getCharChunk();
int semicolon = uriCC.indexOf(';');
if (semicolon > 0) {
uriParamsCC.setChars(uriCC.getBuffer(), semicolon,
uriCC.getEnd() - semicolon);
decodedURI.setChars(uriCC.getBuffer(), uriCC.getStart(),
semicolon);
}
if (compatWithTomcat || !v3Enabled) {
/*mod_jk*/
connector.getMapper().map(req.serverName(), decodedURI,
request.getMappingData());
MappingData md = request.getMappingData();
req.setNote(MAPPING_DATA, md);
request.updatePaths(md);
}
Object context = request.getMappingData().context;
if (context instanceof ContextRootInfo) {
// this block of code will be invoked when an AJP request is intended
// for an Adapter other than the CoyoteAdapter
final Adapter toInvoke = ((ContextRootInfo) context).getAdapter();
if (!"com.sun.enterprise.v3.services.impl.ContainerMapper".equals(toInvoke.getClass().getName())) {
toInvoke.service(req, res);
toInvoke.afterService(req, res);
return false;
}
}
Context ctx = (Context) context;
// Parse session id
if (ctx != null && !uriParamsCC.isNull()) {
request.parseSessionId(ctx.getSessionParameterName(), uriParamsCC);
}
// START GlassFish 1024
request.setDefaultContext(request.getMappingData().isDefaultContext);
// END GlassFish 1024
// START SJSAS 6253524
// request.setContext((Context) request.getMappingData().context);
// END SJSAS 6253524
// START SJSAS 6253524
request.setContext(ctx);
// END SJSAS 6253524
if (ctx != null && !uriParamsCC.isNull()) {
request.parseSessionVersion(uriParamsCC);
}
if (!uriParamsCC.isNull()) {
request.parseJReplica(uriParamsCC);
}
request.setWrapper((Wrapper) request.getMappingData().wrapper);
// Filter trace method
if (!connector.getAllowTrace()
&& req.method().equalsIgnoreCase("TRACE")) {
Wrapper wrapper = request.getWrapper();
String header = null;
if (wrapper != null) {
String[] methods = wrapper.getServletMethods();
if (methods != null) {
for (int i=0; i<methods.length; i++) {
// Exclude TRACE from methods returned in Allow header
if ("TRACE".equals(methods[i])) {
continue;
}
if (header == null) {
header = methods[i];
} else {
header += ", " + methods[i];
}
}
}
}
res.setStatus(405);
res.addHeader("Allow", header);
res.setMessage("TRACE method is not allowed");
return false;
}
// Possible redirect
MessageBytes redirectPathMB = request.getMappingData().redirectPath;
// START SJSAS 6253524
// if (!redirectPathMB.isNull()) {
// END SJSAS 6253524
// START SJSAS 6253524
if (!redirectPathMB.isNull()
&& (!ctx.hasAdHocPaths()
|| (ctx.getAdHocServletName(((HttpServletRequest)
request.getRequest()).getServletPath()) == null))) {
// END SJSAS 6253524
String redirectPath = redirectPathMB.toString();
String query = request.getQueryString();
if (request.isRequestedSessionIdFromURL()) {
// This is not optimal, but as this is not very common, it
// shouldn't matter
redirectPath = redirectPath + ";" + ctx.getSessionParameterName() + "="
+ request.getRequestedSessionId();
}
// START GlassFish 936
redirectPath = response.encode(redirectPath);
// END GlassFish 936
if (query != null) {
// This is not optimal, but as this is not very common, it
// shouldn't matter
redirectPath = redirectPath + "?" + query;
}
// START CR 6590921
boolean authPassthroughEnabled =
connector.getAuthPassthroughEnabled();
ProxyHandler proxyHandler = connector.getProxyHandler();
if (authPassthroughEnabled && proxyHandler != null) {
if (proxyHandler.getSSLKeysize(
(HttpServletRequest)request.getRequest()) > 0) {
request.setSecure(true);
}
}
// END CR 6590921
// Issue a permanent redirect
response.sendRedirect(redirectPath, false);
return false;
}
// Parse session Id
/* CR 6309511
parseSessionCookiesId(req, request);
*/
// START CR 6309511
request.parseSessionCookiesId();
// END CR 6309511
// START SJSAS 6346226
request.parseJrouteCookie();
// END SJSAS 6346226
return true;
}
/**
* Normalize URI.
* <p>
* This method normalizes "\", "//", "/./" and "/../". This method will
* return false when trying to go above the root, or if the URI contains
* a null byte.
*
* @param uriMB URI to be normalized
*/
public static boolean normalize(MessageBytes uriMB) {
int type = uriMB.getType();
if (type == MessageBytes.T_CHARS) {
return normalizeChars(uriMB);
} else {
return normalizeBytes(uriMB);
}
}
private static boolean normalizeBytes(MessageBytes uriMB) {
ByteChunk uriBC = uriMB.getByteChunk();
byte[] b = uriBC.getBytes();
int start = uriBC.getStart();
int end = uriBC.getEnd();
// An empty URL is not acceptable
if (start == end)
return false;
// URL * is acceptable
if ((end - start == 1) && b[start] == (byte) '*')
return true;
int pos = 0;
int index = 0;
// Replace '\' with '/'
// Check for null byte
for (pos = start; pos < end; pos++) {
if (b[pos] == (byte) '\\') {
if (ALLOW_BACKSLASH) {
b[pos] = (byte) '/';
} else {
return false;
}
}
if (b[pos] == (byte) 0) {
return false;
}
}
// The URL must start with '/'
if (b[start] != (byte) '/') {
return false;
}
// Replace "//" with "/"
if (COLLAPSE_ADJACENT_SLASHES) {
for (pos = start; pos < (end - 1); pos++) {
if (b[pos] == (byte) '/') {
while ((pos + 1 < end) && (b[pos + 1] == (byte) '/')) {
copyBytes(b, pos, pos + 1, end - pos - 1);
end--;
}
}
}
}
// If the URI ends with "/." or "/..", then we append an extra "/"
// Note: It is possible to extend the URI by 1 without any side effect
// as the next character is a non-significant WS.
if (((end - start) > 2) && (b[end - 1] == (byte) '.')) {
if ((b[end - 2] == (byte) '/')
|| ((b[end - 2] == (byte) '.')
&& (b[end - 3] == (byte) '/'))) {
b[end] = (byte) '/';
end++;
}
}
uriBC.setEnd(end);
index = 0;
// Resolve occurrences of "/./" in the normalized path
while (true) {
index = uriBC.indexOf("/./", 0, 3, index);
if (index < 0)
break;
copyBytes(b, start + index, start + index + 2,
end - start - index - 2);
end = end - 2;
uriBC.setEnd(end);
}
index = 0;
// Resolve occurrences of "/../" in the normalized path
while (true) {
index = uriBC.indexOf("/../", 0, 4, index);
if (index < 0)
break;
// Prevent from going outside our context
if (index == 0)
return false;
int index2 = -1;
for (pos = start + index - 1; (pos >= 0) && (index2 < 0); pos --) {
if (b[pos] == (byte) '/') {
index2 = pos;
}
}
copyBytes(b, start + index2, start + index + 3,
end - start - index - 3);
end = end + index2 - index - 3;
uriBC.setEnd(end);
index = index2;
}
uriBC.setBytes(b, start, end);
return true;
}
private static boolean normalizeChars(MessageBytes uriMB) {
CharChunk uriCC = uriMB.getCharChunk();
char[] c = uriCC.getChars();
int start = uriCC.getStart();
int end = uriCC.getEnd();
// URL * is acceptable
if ((end - start == 1) && c[start] == (char) '*')
return true;
int pos = 0;
int index = 0;
// Replace '\' with '/'
// Check for null char
for (pos = start; pos < end; pos++) {
if (c[pos] == (char) '\\') {
if (ALLOW_BACKSLASH) {
c[pos] = (char) '/';
} else {
return false;
}
}
if (c[pos] == (char) 0) {
return false;
}
}
// The URL must start with '/'
if (c[start] != (char) '/') {
return false;
}
// Replace "//" with "/"
if (COLLAPSE_ADJACENT_SLASHES) {
for (pos = start; pos < (end - 1); pos++) {
if (c[pos] == (char) '/') {
while ((pos + 1 < end) && (c[pos + 1] == (char) '/')) {
copyChars(c, pos, pos + 1, end - pos - 1);
end--;
}
}
}
}
// If the URI ends with "/." or "/..", then we append an extra "/"
// Note: It is possible to extend the URI by 1 without any side effect
// as the next character is a non-significant WS.
if (((end - start) > 2) && (c[end - 1] == (char) '.')) {
if ((c[end - 2] == (char) '/')
|| ((c[end - 2] == (char) '.')
&& (c[end - 3] == (char) '/'))) {
c[end] = (char) '/';
end++;
}
}
uriCC.setEnd(end);
index = 0;
// Resolve occurrences of "/./" in the normalized path
while (true) {
index = uriCC.indexOf("/./", 0, 3, index);
if (index < 0)
break;
copyChars(c, start + index, start + index + 2,
end - start - index - 2);
end = end - 2;
uriCC.setEnd(end);
}
index = 0;
// Resolve occurrences of "/../" in the normalized path
while (true) {
index = uriCC.indexOf("/../", 0, 4, index);
if (index < 0)
break;
// Prevent from going outside our context
if (index == 0)
return false;
int index2 = -1;
for (pos = start + index - 1; (pos >= 0) && (index2 < 0); pos --) {
if (c[pos] == (char) '/') {
index2 = pos;
}
}
copyChars(c, start + index2, start + index + 3,
end - start - index - 3);
end = end + index2 - index - 3;
uriCC.setEnd(end);
index = index2;
}
uriCC.setChars(c, start, end);
return true;
}
// ------------------------------------------------------ Protected Methods
/**
* Copy an array of bytes to a different position. Used during
* normalization.
*/
protected static void copyBytes(byte[] b, int dest, int src, int len) {
for (int pos = 0; pos < len; pos++) {
b[pos + dest] = b[pos + src];
}
}
/**
* Copy an array of chars to a different position. Used during
* normalization.
*/
private static void copyChars(char[] c, int dest, int src, int len) {
for (int pos = 0; pos < len; pos++) {
c[pos + dest] = c[pos + src];
}
}
/**
* Log a message on the Logger associated with our Container (if any)
*
* @param message Message to be logged
*/
protected void log(String message) {
log.info( message );
}
/**
* Log a message on the Logger associated with our Container (if any)
*
* @param message Message to be logged
* @param throwable Associated exception
*/
protected void log(String message, Throwable throwable) {
log.log(Level.SEVERE, message, throwable);
}
/**
* Character conversion of the a US-ASCII MessageBytes.
*/
/* CR 6309511
protected void convertMB(MessageBytes mb) {
// This is of course only meaningful for bytes
if (mb.getType() != MessageBytes.T_BYTES)
return;
ByteChunk bc = mb.getByteChunk();
CharChunk cc = mb.getCharChunk();
cc.allocate(bc.getLength(), -1);
// Default encoding: fast conversion
byte[] bbuf = bc.getBuffer();
char[] cbuf = cc.getBuffer();
int start = bc.getStart();
for (int i = 0; i < bc.getLength(); i++) {
cbuf[i] = (char) (bbuf[i + start] & 0xff);
}
mb.setChars(cbuf, 0, bc.getLength());
}
*/
// START SJSAS 6349248
/**
* Notify all container event listeners that a particular event has
* occurred for this Adapter. The default implementation performs
* this notification synchronously using the calling thread.
*
* @param type Event type
* @param data Event data
*/
public void fireAdapterEvent(String type, Object data) {
if ( connector != null && connector.getContainer() != null) {
try{
((ContainerBase)connector.getContainer())
.fireContainerEvent(type,data);
} catch (Throwable t){
log.log(Level.SEVERE, sm.getString("coyoteAdapter.service"), t);
}
}
}
// END SJSAS 6349248
/**
* Return true when an instance is executed the same way it does in Tomcat.
*/
public boolean isCompatWithTomcat() {
return compatWithTomcat;
}
/**
* <tt>true if this class needs to be compatible with Tomcat
* Adapter class. Since Tomcat Adapter implementation doesn't support
* the afterService method, the afterService method must be invoked
* inside the service method.
*/
public void setCompatWithTomcat(boolean compatWithTomcat) {
this.compatWithTomcat = compatWithTomcat;
// Add server header
if (compatWithTomcat){
serverName = "Apache/" + serverName;
} else {
// Recalculate.
serverName = ServerInfo.getPublicServerInfo();
}
}
/**
* Gets the port of this CoyoteAdapter.
*
* @return the port of this CoyoteAdapter
*/
public int getPort() {
return connector.getPort();
}
}
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