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//
// ========================================================================
// Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.security.authentication;
import java.io.InputStream;
import java.security.KeyStore;
import java.security.Principal;
import java.security.cert.CRL;
import java.security.cert.X509Certificate;
import java.util.Collection;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.security.ServerAuthException;
import org.eclipse.jetty.security.UserAuthentication;
import org.eclipse.jetty.server.Authentication;
import org.eclipse.jetty.server.Authentication.User;
import org.eclipse.jetty.server.UserIdentity;
import org.eclipse.jetty.util.B64Code;
import org.eclipse.jetty.util.security.CertificateUtils;
import org.eclipse.jetty.util.security.CertificateValidator;
import org.eclipse.jetty.util.security.Constraint;
import org.eclipse.jetty.util.security.Password;
/**
* @version $Rev: 4793 $ $Date: 2009-03-19 00:00:01 +0100 (Thu, 19 Mar 2009) $
*/
public class ClientCertAuthenticator extends LoginAuthenticator
{
/** String name of keystore password property. */
private static final String PASSWORD_PROPERTY = "org.eclipse.jetty.ssl.password";
/** Truststore path */
private String _trustStorePath;
/** Truststore provider name */
private String _trustStoreProvider;
/** Truststore type */
private String _trustStoreType = "JKS";
/** Truststore password */
private transient Password _trustStorePassword;
/** Set to true if SSL certificate validation is required */
private boolean _validateCerts;
/** Path to file that contains Certificate Revocation List */
private String _crlPath;
/** Maximum certification path length (n - number of intermediate certs, -1 for unlimited) */
private int _maxCertPathLength = -1;
/** CRL Distribution Points (CRLDP) support */
private boolean _enableCRLDP = false;
/** On-Line Certificate Status Protocol (OCSP) support */
private boolean _enableOCSP = false;
/** Location of OCSP Responder */
private String _ocspResponderURL;
public ClientCertAuthenticator()
{
super();
}
public String getAuthMethod()
{
return Constraint.__CERT_AUTH;
}
/**
* @return Authentication for request
* @throws ServerAuthException
*/
public Authentication validateRequest(ServletRequest req, ServletResponse res, boolean mandatory) throws ServerAuthException
{
if (!mandatory)
return new DeferredAuthentication(this);
HttpServletRequest request = (HttpServletRequest)req;
HttpServletResponse response = (HttpServletResponse)res;
X509Certificate[] certs = (X509Certificate[]) request.getAttribute("javax.servlet.request.X509Certificate");
try
{
// Need certificates.
if (certs != null && certs.length > 0)
{
if (_validateCerts)
{
KeyStore trustStore = getKeyStore(null,
_trustStorePath, _trustStoreType, _trustStoreProvider,
_trustStorePassword == null ? null :_trustStorePassword.toString());
Collection crls = loadCRL(_crlPath);
CertificateValidator validator = new CertificateValidator(trustStore, crls);
validator.validate(certs);
}
for (X509Certificate cert: certs)
{
if (cert==null)
continue;
Principal principal = cert.getSubjectDN();
if (principal == null) principal = cert.getIssuerDN();
final String username = principal == null ? "clientcert" : principal.getName();
final char[] credential = B64Code.encode(cert.getSignature());
UserIdentity user = login(username, credential, req);
if (user!=null)
{
return new UserAuthentication(getAuthMethod(),user);
}
}
}
if (!DeferredAuthentication.isDeferred(response))
{
response.sendError(HttpServletResponse.SC_FORBIDDEN);
return Authentication.SEND_FAILURE;
}
return Authentication.UNAUTHENTICATED;
}
catch (Exception e)
{
throw new ServerAuthException(e.getMessage());
}
}
/* ------------------------------------------------------------ */
/**
* Loads keystore using an input stream or a file path in the same
* order of precedence.
*
* Required for integrations to be able to override the mechanism
* used to load a keystore in order to provide their own implementation.
*
* @param storeStream keystore input stream
* @param storePath path of keystore file
* @param storeType keystore type
* @param storeProvider keystore provider
* @param storePassword keystore password
* @return created keystore
* @throws Exception
*/
protected KeyStore getKeyStore(InputStream storeStream, String storePath, String storeType, String storeProvider, String storePassword) throws Exception
{
return CertificateUtils.getKeyStore(storeStream, storePath, storeType, storeProvider, storePassword);
}
/* ------------------------------------------------------------ */
/**
* Loads certificate revocation list (CRL) from a file.
*
* Required for integrations to be able to override the mechanism used to
* load CRL in order to provide their own implementation.
*
* @param crlPath path of certificate revocation list file
* @return a (possibly empty) collection view of java.security.cert.CRL objects initialized with the data from the
* input stream.
* @throws Exception
*/
protected Collection loadCRL(String crlPath) throws Exception
{
return CertificateUtils.loadCRL(crlPath);
}
public boolean secureResponse(ServletRequest req, ServletResponse res, boolean mandatory, User validatedUser) throws ServerAuthException
{
return true;
}
/* ------------------------------------------------------------ */
/**
* @return true if SSL certificate has to be validated
*/
public boolean isValidateCerts()
{
return _validateCerts;
}
/* ------------------------------------------------------------ */
/**
* @param validateCerts
* true if SSL certificates have to be validated
*/
public void setValidateCerts(boolean validateCerts)
{
_validateCerts = validateCerts;
}
/* ------------------------------------------------------------ */
/**
* @return The file name or URL of the trust store location
*/
public String getTrustStore()
{
return _trustStorePath;
}
/* ------------------------------------------------------------ */
/**
* @param trustStorePath
* The file name or URL of the trust store location
*/
public void setTrustStore(String trustStorePath)
{
_trustStorePath = trustStorePath;
}
/* ------------------------------------------------------------ */
/**
* @return The provider of the trust store
*/
public String getTrustStoreProvider()
{
return _trustStoreProvider;
}
/* ------------------------------------------------------------ */
/**
* @param trustStoreProvider
* The provider of the trust store
*/
public void setTrustStoreProvider(String trustStoreProvider)
{
_trustStoreProvider = trustStoreProvider;
}
/* ------------------------------------------------------------ */
/**
* @return The type of the trust store (default "JKS")
*/
public String getTrustStoreType()
{
return _trustStoreType;
}
/* ------------------------------------------------------------ */
/**
* @param trustStoreType
* The type of the trust store (default "JKS")
*/
public void setTrustStoreType(String trustStoreType)
{
_trustStoreType = trustStoreType;
}
/* ------------------------------------------------------------ */
/**
* @param password
* The password for the trust store
*/
public void setTrustStorePassword(String password)
{
_trustStorePassword = Password.getPassword(PASSWORD_PROPERTY,password,null);
}
/* ------------------------------------------------------------ */
/** Get the crlPath.
* @return the crlPath
*/
public String getCrlPath()
{
return _crlPath;
}
/* ------------------------------------------------------------ */
/** Set the crlPath.
* @param crlPath the crlPath to set
*/
public void setCrlPath(String crlPath)
{
_crlPath = crlPath;
}
/**
* @return Maximum number of intermediate certificates in
* the certification path (-1 for unlimited)
*/
public int getMaxCertPathLength()
{
return _maxCertPathLength;
}
/* ------------------------------------------------------------ */
/**
* @param maxCertPathLength
* maximum number of intermediate certificates in
* the certification path (-1 for unlimited)
*/
public void setMaxCertPathLength(int maxCertPathLength)
{
_maxCertPathLength = maxCertPathLength;
}
/* ------------------------------------------------------------ */
/**
* @return true if CRL Distribution Points support is enabled
*/
public boolean isEnableCRLDP()
{
return _enableCRLDP;
}
/* ------------------------------------------------------------ */
/** Enables CRL Distribution Points Support
* @param enableCRLDP true - turn on, false - turns off
*/
public void setEnableCRLDP(boolean enableCRLDP)
{
_enableCRLDP = enableCRLDP;
}
/* ------------------------------------------------------------ */
/**
* @return true if On-Line Certificate Status Protocol support is enabled
*/
public boolean isEnableOCSP()
{
return _enableOCSP;
}
/* ------------------------------------------------------------ */
/** Enables On-Line Certificate Status Protocol support
* @param enableOCSP true - turn on, false - turn off
*/
public void setEnableOCSP(boolean enableOCSP)
{
_enableOCSP = enableOCSP;
}
/* ------------------------------------------------------------ */
/**
* @return Location of the OCSP Responder
*/
public String getOcspResponderURL()
{
return _ocspResponderURL;
}
/* ------------------------------------------------------------ */
/** Set the location of the OCSP Responder.
* @param ocspResponderURL location of the OCSP Responder
*/
public void setOcspResponderURL(String ocspResponderURL)
{
_ocspResponderURL = ocspResponderURL;
}
}