/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.sdk.sasl;
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import javax.security.auth.callback.NameCallback;
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import javax.security.auth.callback.PasswordCallback;
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import javax.security.auth.callback.UnsupportedCallbackException;
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import javax.security.sasl.Sasl;
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import javax.security.sasl.SaslClient;
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import javax.security.sasl.SaslException;
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import org.opends.sdk.DN;
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import org.opends.sdk.util.ByteString;
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import org.opends.sdk.util.Validator;
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/**
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* CRAM-MD5 SASL bind request.
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*/
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public final class CRAMMD5SASLBindRequest extends
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SASLBindRequest<CRAMMD5SASLBindRequest>
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{
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/**
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* The name of the SASL mechanism based on CRAM-MD5 authentication.
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*/
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public static final String SASL_MECHANISM_CRAM_MD5 = "CRAM-MD5";
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private String authenticationID;
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private ByteString password;
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private NameCallbackHandler authIDHandler;
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private PasswordCallbackHandler passHandler;
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private class CRAMMD5SASLContext extends AbstractSASLContext
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{
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private SaslClient saslClient;
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private ByteString outgoingCredentials = null;
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private CRAMMD5SASLContext(String serverName) throws SaslException {
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saslClient =
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Sasl.createSaslClient(new String[] { SASL_MECHANISM_CRAM_MD5 },
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null, SASL_DEFAULT_PROTOCOL, serverName, null, this);
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if (saslClient.hasInitialResponse())
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{
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byte[] bytes = saslClient.evaluateChallenge(new byte[0]);
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if (bytes != null)
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{
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this.outgoingCredentials = ByteString.wrap(bytes);
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}
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}
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}
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public void dispose() throws SaslException
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{
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saslClient.dispose();
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}
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public boolean evaluateCredentials(ByteString incomingCredentials)
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throws SaslException
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{
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byte[] bytes =
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saslClient.evaluateChallenge(incomingCredentials.toByteArray());
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if (bytes != null)
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{
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this.outgoingCredentials = ByteString.wrap(bytes);
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}
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else
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{
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this.outgoingCredentials = null;
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}
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return isComplete();
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}
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public ByteString getSASLCredentials()
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{
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return outgoingCredentials;
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}
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public boolean isComplete()
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{
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return saslClient.isComplete();
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}
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public boolean isSecure()
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{
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return false;
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}
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@Override
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protected void handle(NameCallback callback)
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throws UnsupportedCallbackException
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{
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if (authIDHandler == null)
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{
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callback.setName(authenticationID);
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}
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else
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{
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if(authIDHandler.handle(callback))
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{
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authenticationID = callback.getName();
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authIDHandler = null;
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}
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}
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}
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@Override
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protected void handle(PasswordCallback callback)
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throws UnsupportedCallbackException
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{
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if (passHandler == null)
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{
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callback.setPassword(password.toString().toCharArray());
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}
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else
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{
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if(passHandler.handle(callback))
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{
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password = ByteString.valueOf(callback.getPassword());
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passHandler = null;
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}
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}
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}
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public CRAMMD5SASLBindRequest getSASLBindRequest() {
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return CRAMMD5SASLBindRequest.this;
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}
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}
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public CRAMMD5SASLBindRequest(DN authenticationDN, ByteString password)
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{
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Validator.ensureNotNull(authenticationDN, password);
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this.authenticationID = "dn:" + authenticationDN.toString();
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this.password = password;
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}
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public CRAMMD5SASLBindRequest(String authenticationID,
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ByteString password)
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{
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Validator.ensureNotNull(authenticationID, password);
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this.authenticationID = authenticationID;
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this.password = password;
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}
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public String getAuthenticationID()
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{
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return authenticationID;
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}
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public NameCallbackHandler getAuthIDHandler()
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{
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return authIDHandler;
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}
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public PasswordCallbackHandler getPassHandler()
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{
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return passHandler;
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}
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public ByteString getPassword()
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{
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return password;
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}
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public String getSASLMechanism()
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{
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return SASL_MECHANISM_CRAM_MD5;
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}
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public SASLContext getClientContext(String serverName) throws SaslException
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{
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return new CRAMMD5SASLContext(serverName);
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}
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public CRAMMD5SASLBindRequest setAuthenticationID(
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String authenticationID)
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{
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Validator.ensureNotNull(authenticationID);
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this.authenticationID = authenticationID;
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return this;
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}
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public CRAMMD5SASLBindRequest setAuthIDHandler(
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NameCallbackHandler authIDHandler)
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{
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this.authIDHandler = authIDHandler;
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return this;
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}
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public CRAMMD5SASLBindRequest setPassHandler(
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PasswordCallbackHandler passHandler)
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{
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this.passHandler = passHandler;
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return this;
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}
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public CRAMMD5SASLBindRequest setPassword(ByteString password)
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{
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Validator.ensureNotNull(password);
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this.password = password;
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return this;
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}
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@Override
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public String toString()
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{
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StringBuilder builder = new StringBuilder();
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builder.append("CRAMMD5SASLBindRequest(bindDN=");
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builder.append(getName());
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builder.append(", authentication=SASL");
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builder.append(", saslMechanism=");
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builder.append(getSASLMechanism());
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builder.append(", authenticationID=");
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builder.append(authenticationID);
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builder.append(", password=");
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builder.append(password);
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builder.append(", controls=");
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builder.append(getControls());
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builder.append(")");
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return builder.toString();
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}
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}
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