mirror of
https://github.com/vanitasvitae/Smack.git
synced 2024-10-31 17:25:58 +01:00
Add SCRAM-SHA1 support
Thanks to Stefan Karlsson for helping with the implementation. Also add SASLMechanism.checkIfSuccessfulOrThrow(), to increase the security by verifying the mechanisms state at the end of SASL authentication. SASLMechanism now has a SASLPrep StringTransformer. Refactor SHA1 functions out of StringUtils into SHA1 utility class. Add MAC utility class. Make DummyConnection getSentpacket() methods use generics to make unit testing SCRAM-SHA1 easier. Fixes SMACK-398
This commit is contained in:
parent
6a2bc0c02d
commit
403ecff2b2
18 changed files with 704 additions and 80 deletions
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@ -343,6 +343,7 @@ public class SASLAuthentication {
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if (success.getData() != null) {
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if (success.getData() != null) {
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challengeReceived(success.getData(), true);
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challengeReceived(success.getData(), true);
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}
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}
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currentMechanism.checkIfSuccessfulOrThrow();
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authenticationSuccessful = true;
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authenticationSuccessful = true;
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// Wake up the thread that is waiting in the #authenticate method
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// Wake up the thread that is waiting in the #authenticate method
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synchronized (this) {
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synchronized (this) {
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@ -29,6 +29,7 @@ import java.util.logging.Logger;
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import org.jivesoftware.smack.compression.Java7ZlibInputOutputStream;
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import org.jivesoftware.smack.compression.Java7ZlibInputOutputStream;
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import org.jivesoftware.smack.initializer.SmackInitializer;
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import org.jivesoftware.smack.initializer.SmackInitializer;
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import org.jivesoftware.smack.sasl.core.SCRAMSHA1Mechanism;
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import org.jivesoftware.smack.util.FileUtils;
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import org.jivesoftware.smack.util.FileUtils;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import org.xmlpull.v1.XmlPullParserException;
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@ -130,6 +131,8 @@ public final class SmackInitialization {
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// Ignore.
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// Ignore.
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}
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}
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SASLAuthentication.registerSASLMechanism(new SCRAMSHA1Mechanism());
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SmackConfiguration.smackInitialized = true;
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SmackConfiguration.smackInitialized = true;
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}
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}
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@ -55,4 +55,9 @@ public class SASLAnonymous extends SASLMechanism {
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return new SASLAnonymous();
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return new SASLAnonymous();
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}
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}
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@Override
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public void checkIfSuccessfulOrThrow() throws SmackException {
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// SASL Anonymous is always successful :)
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}
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}
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}
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@ -21,6 +21,7 @@ import org.jivesoftware.smack.SmackException.NotConnectedException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.AuthMechanism;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.AuthMechanism;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.Response;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.Response;
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import org.jivesoftware.smack.util.StringTransformer;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.stringencoder.Base64;
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import org.jivesoftware.smack.util.stringencoder.Base64;
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@ -71,6 +72,22 @@ public abstract class SASLMechanism implements Comparable<SASLMechanism> {
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public static final String GSSAPI = "GSSAPI";
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public static final String GSSAPI = "GSSAPI";
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public static final String PLAIN = "PLAIN";
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public static final String PLAIN = "PLAIN";
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// TODO Remove once Smack's min Android API is 9, where java.text.Normalizer is available
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private static StringTransformer saslPrepTransformer;
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/**
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* Set the SASLPrep StringTransformer.
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* <p>
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* A simple SASLPrep StringTransformer would be for example: <code>java.text.Normalizer.normalize(string, Form.NFKC);</code>
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* </p>
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*
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* @param stringTransformer set StringTransformer to use for SASLPrep.
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* @see <a href="http://tools.ietf.org/html/rfc4013">RFC 4013 - SASLprep: Stringprep Profile for User Names and Passwords</a>
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*/
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public static void setSaslPrepTransformer(StringTransformer stringTransformer) {
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saslPrepTransformer = stringTransformer;
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}
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protected XMPPConnection connection;
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protected XMPPConnection connection;
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/**
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/**
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@ -238,6 +255,8 @@ public abstract class SASLMechanism implements Comparable<SASLMechanism> {
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public abstract int getPriority();
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public abstract int getPriority();
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public abstract void checkIfSuccessfulOrThrow() throws SmackException;
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public SASLMechanism instanceForAuthentication(XMPPConnection connection) {
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public SASLMechanism instanceForAuthentication(XMPPConnection connection) {
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SASLMechanism saslMechansim = newInstance();
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SASLMechanism saslMechansim = newInstance();
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saslMechansim.connection = connection;
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saslMechansim.connection = connection;
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@ -249,4 +268,19 @@ public abstract class SASLMechanism implements Comparable<SASLMechanism> {
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protected static byte[] toBytes(String string) {
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protected static byte[] toBytes(String string) {
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return StringUtils.toBytes(string);
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return StringUtils.toBytes(string);
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}
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}
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/**
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* SASLprep the given String.
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*
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* @param string the String to sasl prep.
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* @return the given String SASL preped
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* @see <a href="http://tools.ietf.org/html/rfc4013">RFC 4013 - SASLprep: Stringprep Profile for User Names and Passwords</a>
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*/
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protected static String saslPrep(String string) {
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StringTransformer stringTransformer = saslPrepTransformer;
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if (stringTransformer != null) {
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return stringTransformer.transform(string);
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}
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return string;
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}
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}
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}
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@ -0,0 +1,346 @@
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/**
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*
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* Copyright 2014 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.sasl.core;
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import java.security.InvalidKeyException;
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import java.security.SecureRandom;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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import javax.security.auth.callback.CallbackHandler;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.sasl.SASLMechanism;
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import org.jivesoftware.smack.util.ByteUtils;
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import org.jivesoftware.smack.util.MAC;
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import org.jivesoftware.smack.util.SHA1;
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import org.jivesoftware.smack.util.stringencoder.Base64;
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import org.jxmpp.util.cache.Cache;
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import org.jxmpp.util.cache.LruCache;
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public class SCRAMSHA1Mechanism extends SASLMechanism {
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public static final String NAME = "SCRAM-SHA-1";
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private static final int RANDOM_ASCII_BYTE_COUNT = 32;
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private static final String DEFAULT_GS2_HEADER = "n,,";
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private static final byte[] CLIENT_KEY_BYTES = toBytes("Client Key");
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private static final byte[] SERVER_KEY_BYTES = toBytes("Server Key");
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private static final byte[] ONE = new byte[] { 0, 0, 0, 1 };
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private static final SecureRandom RANDOM = new SecureRandom();
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private static final Cache<String, Keys> CACHE = new LruCache<String, Keys>(10);
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private enum State {
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INITIAL,
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AUTH_TEXT_SENT,
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RESPONSE_SENT,
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VALID_SERVER_RESPONSE,
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}
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/**
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* The state of the this instance of SASL SCRAM-SHA1 authentication.
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*/
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private State state = State.INITIAL;
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/**
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* The client's random ASCII which is used as nonce
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*/
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private String clientRandomAscii;
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private String clientFirstMessageBare;
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private byte[] serverSignature;
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@Override
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protected void authenticateInternal(CallbackHandler cbh) throws SmackException {
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throw new UnsupportedOperationException("CallbackHandler not (yet) supported");
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}
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@Override
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protected byte[] getAuthenticationText() throws SmackException {
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clientRandomAscii = getRandomAscii();
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String saslPrepedAuthcId = saslPrep(authenticationId);
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clientFirstMessageBare = "n=" + escape(saslPrepedAuthcId) + ",r=" + clientRandomAscii;
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String clientFirstMessage = DEFAULT_GS2_HEADER + clientFirstMessageBare;
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state = State.AUTH_TEXT_SENT;
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return toBytes(clientFirstMessage);
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}
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@Override
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public String getName() {
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return NAME;
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}
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@Override
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public int getPriority() {
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return 110;
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}
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@Override
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public SCRAMSHA1Mechanism newInstance() {
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return new SCRAMSHA1Mechanism();
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}
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@Override
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public void checkIfSuccessfulOrThrow() throws SmackException {
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if (state != State.VALID_SERVER_RESPONSE) {
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throw new SmackException("SCRAM-SHA1 is missing valid server response");
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}
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}
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@Override
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protected byte[] evaluateChallenge(byte[] challenge) throws SmackException {
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final String challengeString = new String(challenge);
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switch (state) {
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case AUTH_TEXT_SENT:
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final String serverFirstMessage = challengeString;
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Map<Character, String> attributes = parseAttributes(challengeString);
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// Handle server random ASCII (nonce)
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String rvalue = attributes.get('r');
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if (rvalue == null) {
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throw new SmackException("Server random ASCII is null");
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}
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if (rvalue.length() <= clientRandomAscii.length()) {
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throw new SmackException("Server random ASCII is shorter then client random ASCII");
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}
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String receivedClientRandomAscii = rvalue.substring(0, clientRandomAscii.length());
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if (!receivedClientRandomAscii.equals(clientRandomAscii)) {
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throw new SmackException("Received client random ASCII does not match client random ASCII");
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}
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// Handle iterations
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int iterations;
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String iterationsString = attributes.get('i');
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if (iterationsString == null) {
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throw new SmackException("Iterations attribute not set");
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}
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try {
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iterations = Integer.parseInt(iterationsString);
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}
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catch (NumberFormatException e) {
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throw new SmackException("Exception parsing iterations", e);
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}
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// Handle salt
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String salt = attributes.get('s');
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if (salt == null) {
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throw new SmackException("SALT not send");
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}
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// Parsing and error checking is done, we can now begin to calculate the values
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// First the client-final-message-without-proof
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String clientFinalMessageWithoutProof = "c=" + Base64.encode(DEFAULT_GS2_HEADER) + ",r=" + rvalue;
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// AuthMessage := client-first-message-bare + "," + server-first-message + "," +
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// client-final-message-without-proof
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byte[] authMessage = toBytes(clientFirstMessageBare + ',' + serverFirstMessage + ','
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+ clientFinalMessageWithoutProof);
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// RFC 5802 § 5.1 "Note that a client implementation MAY cache ClientKey&ServerKey … for later reauthentication …
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// as it is likely that the server is going to advertise the same salt value upon reauthentication."
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final String cacheKey = password + ',' + salt;
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byte[] serverKey, clientKey;
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Keys keys = CACHE.get(cacheKey);
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if (keys == null) {
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// SaltedPassword := Hi(Normalize(password), salt, i)
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byte[] saltedPassword = hi(saslPrep(password), Base64.decode(salt), iterations);
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// ServerKey := HMAC(SaltedPassword, "Server Key")
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serverKey = hmac(saltedPassword, SERVER_KEY_BYTES);
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// ServerSignature := HMAC(ServerKey, AuthMessage)
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serverSignature = hmac(serverKey, authMessage);
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// ClientKey := HMAC(SaltedPassword, "Client Key")
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clientKey = hmac(saltedPassword, CLIENT_KEY_BYTES);
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keys = new Keys(clientKey, serverKey);
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CACHE.put(cacheKey, keys);
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}
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else {
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serverKey = keys.serverKey;
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clientKey = keys.clientKey;
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}
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// StoredKey := H(ClientKey)
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byte[] storedKey = SHA1.bytes(clientKey);
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// ClientSignature := HMAC(StoredKey, AuthMessage)
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byte[] clientSignature = hmac(storedKey, authMessage);
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// ClientProof := ClientKey XOR ClientSignature
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byte[] clientProof = new byte[clientKey.length];
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for (int i = 0; i < clientProof.length; i++) {
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clientProof[i] = (byte) (clientKey[i] ^ clientSignature[i]);
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}
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String clientFinalMessage = clientFinalMessageWithoutProof + ",p=" + Base64.encodeToString(clientProof);
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state = State.RESPONSE_SENT;
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return toBytes(clientFinalMessage);
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case RESPONSE_SENT:
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String clientCalculatedServerFinalMessage = "v=" + Base64.encodeToString(serverSignature);
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if (!clientCalculatedServerFinalMessage.equals(challengeString)) {
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throw new SmackException("Server final message does not match calculated one");
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}
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state = State.VALID_SERVER_RESPONSE;
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break;
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default:
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throw new SmackException("Invalid state");
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}
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return null;
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}
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private static Map<Character, String> parseAttributes(String string) throws SmackException {
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if (string.length() == 0) {
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return Collections.emptyMap();
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}
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String[] keyValuePairs = string.split(",");
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Map<Character, String> res = new HashMap<Character, String>(keyValuePairs.length, 1);
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for (String keyValuePair : keyValuePairs) {
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if (keyValuePair.length() < 3) {
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throw new SmackException("Invalid Key-Value pair: " + keyValuePair);
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}
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char key = keyValuePair.charAt(0);
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if (keyValuePair.charAt(1) != '=') {
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throw new SmackException("Invalid Key-Value pair: " + keyValuePair);
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}
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String value = keyValuePair.substring(2);
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res.put(key, value);
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}
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return res;
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}
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/**
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* Generate random ASCII.
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* <p>
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* This method is non-static and package-private for unit testing purposes.
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* </p>
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* @return A String of 32 random printable ASCII characters.
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*/
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String getRandomAscii() {
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int count = 0;
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char[] randomAscii = new char[RANDOM_ASCII_BYTE_COUNT];
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while (count < RANDOM_ASCII_BYTE_COUNT) {
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int r = RANDOM.nextInt(128);
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char c = (char) r;
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// RFC 5802 § 5.1 specifies 'r:' to exclude the ',' character and to be only printable ASCII characters
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if (!isPrintableNonCommaAsciiChar(c)) {
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continue;
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}
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|
randomAscii[count++] = c;
|
||||||
|
}
|
||||||
|
return new String(randomAscii);
|
||||||
|
}
|
||||||
|
|
||||||
|
private static boolean isPrintableNonCommaAsciiChar(char c) {
|
||||||
|
if (c == ',') {
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
return c >= 32 && c < 127;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Escapes usernames or passwords for SASL SCRAM-SHA1.
|
||||||
|
* <p>
|
||||||
|
* According to RFC 5802 § 5.1 'n:'
|
||||||
|
* "The characters ',' or '=' in usernames are sent as '=2C' and '=3D' respectively."
|
||||||
|
* </p>
|
||||||
|
*
|
||||||
|
* @param string
|
||||||
|
* @return the escaped string
|
||||||
|
*/
|
||||||
|
private static String escape(String string) {
|
||||||
|
StringBuilder sb = new StringBuilder((int) (string.length() * 1.1));
|
||||||
|
for (int i = 0; i < string.length(); i++) {
|
||||||
|
char c = string.charAt(i);
|
||||||
|
switch (c) {
|
||||||
|
case ',':
|
||||||
|
sb.append("=2C");
|
||||||
|
break;
|
||||||
|
case '=':
|
||||||
|
sb.append("=3D");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
sb.append(c);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return sb.toString();
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* RFC 5802 § 2.2 HMAC(key, str)
|
||||||
|
*
|
||||||
|
* @param key
|
||||||
|
* @param str
|
||||||
|
* @return
|
||||||
|
* @throws SmackException
|
||||||
|
*/
|
||||||
|
private static byte[] hmac(byte[] key, byte[] str) throws SmackException {
|
||||||
|
try {
|
||||||
|
return MAC.hmacsha1(key, str);
|
||||||
|
}
|
||||||
|
catch (InvalidKeyException e) {
|
||||||
|
throw new SmackException(NAME + " HMAC-SHA1 Exception", e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* RFC 5802 § 2.2 Hi(str, salt, i)
|
||||||
|
* <p>
|
||||||
|
* Hi() is, essentially, PBKDF2 [RFC2898] with HMAC() as the pseudorandom function
|
||||||
|
* (PRF) and with dkLen == output length of HMAC() == output length of H().
|
||||||
|
* </p>
|
||||||
|
*
|
||||||
|
* @param str
|
||||||
|
* @param salt
|
||||||
|
* @param iterations
|
||||||
|
* @return
|
||||||
|
* @throws SmackException
|
||||||
|
*/
|
||||||
|
private static byte[] hi(String str, byte[] salt, int iterations) throws SmackException {
|
||||||
|
byte[] key = str.getBytes();
|
||||||
|
// U1 := HMAC(str, salt + INT(1))
|
||||||
|
byte[] u = hmac(key, ByteUtils.concact(salt, ONE));
|
||||||
|
byte[] res = u.clone();
|
||||||
|
for (int i = 1; i < iterations; i++) {
|
||||||
|
u = hmac(key, u);
|
||||||
|
for (int j = 0; j < u.length; j++) {
|
||||||
|
res[j] ^= u[j];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
private static class Keys {
|
||||||
|
private final byte[] clientKey;
|
||||||
|
private final byte[] serverKey;
|
||||||
|
|
||||||
|
public Keys(byte[] clientKey, byte[] serverKey) {
|
||||||
|
this.clientKey = clientKey;
|
||||||
|
this.serverKey = serverKey;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
|
@ -52,6 +52,14 @@ public class SaslStreamElements {
|
||||||
xml.closeElement(ELEMENT);
|
xml.closeElement(ELEMENT);
|
||||||
return xml;
|
return xml;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public String getMechanism() {
|
||||||
|
return mechanism;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String getAuthenticationText() {
|
||||||
|
return authenticationText;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -100,6 +108,10 @@ public class SaslStreamElements {
|
||||||
xml.closeElement(ELEMENT);
|
xml.closeElement(ELEMENT);
|
||||||
return xml;
|
return xml;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public String getAuthenticationText() {
|
||||||
|
return authenticationText;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
@ -0,0 +1,54 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* Copyright © 2014 Florian Schmaus
|
||||||
|
*
|
||||||
|
* Licensed 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.jivesoftware.smack.util;
|
||||||
|
|
||||||
|
import java.security.InvalidKeyException;
|
||||||
|
import java.security.NoSuchAlgorithmException;
|
||||||
|
|
||||||
|
import javax.crypto.Mac;
|
||||||
|
import javax.crypto.spec.SecretKeySpec;
|
||||||
|
|
||||||
|
public class MAC {
|
||||||
|
|
||||||
|
public static final String HMACSHA1 = "HmacSHA1";
|
||||||
|
|
||||||
|
private static Mac HMAC_SHA1;
|
||||||
|
|
||||||
|
static {
|
||||||
|
try {
|
||||||
|
HMAC_SHA1 = Mac.getInstance(HMACSHA1);
|
||||||
|
}
|
||||||
|
catch (NoSuchAlgorithmException e) {
|
||||||
|
// Smack wont be able to function normally if this exception is thrown, wrap it into
|
||||||
|
// an ISE and make the user aware of the problem.
|
||||||
|
throw new IllegalStateException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
public static synchronized byte[] hmacsha1(SecretKeySpec key, byte[] input) throws InvalidKeyException {
|
||||||
|
HMAC_SHA1.init(key);
|
||||||
|
return HMAC_SHA1.doFinal(input);
|
||||||
|
}
|
||||||
|
|
||||||
|
public static byte[] hmacsha1(byte[] keyBytes, byte[] input) throws InvalidKeyException {
|
||||||
|
SecretKeySpec key = new SecretKeySpec(keyBytes, HMACSHA1);
|
||||||
|
return hmacsha1(key, input);
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
}
|
|
@ -0,0 +1,57 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* Copyright © 2014 Florian Schmaus
|
||||||
|
*
|
||||||
|
* Licensed 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.jivesoftware.smack.util;
|
||||||
|
|
||||||
|
import java.security.MessageDigest;
|
||||||
|
import java.security.NoSuchAlgorithmException;
|
||||||
|
|
||||||
|
public class SHA1 {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Used by the hash method.
|
||||||
|
*/
|
||||||
|
private static MessageDigest SHA1_DIGEST;
|
||||||
|
|
||||||
|
static {
|
||||||
|
try {
|
||||||
|
SHA1_DIGEST = MessageDigest.getInstance(StringUtils.SHA1);
|
||||||
|
}
|
||||||
|
catch (NoSuchAlgorithmException e) {
|
||||||
|
// Smack wont be able to function normally if this exception is thrown, wrap it into
|
||||||
|
// an ISE and make the user aware of the problem.
|
||||||
|
throw new IllegalStateException(e);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public static synchronized byte[] bytes(byte[] bytes) {
|
||||||
|
SHA1_DIGEST.update(bytes);
|
||||||
|
return SHA1_DIGEST.digest();
|
||||||
|
}
|
||||||
|
|
||||||
|
public static byte[] bytes(String string) {
|
||||||
|
return bytes(StringUtils.toBytes(string));
|
||||||
|
}
|
||||||
|
|
||||||
|
public static String hex(byte[] bytes) {
|
||||||
|
return StringUtils.encodeHex(bytes(bytes));
|
||||||
|
}
|
||||||
|
|
||||||
|
public static String hex(String string) {
|
||||||
|
return hex(StringUtils.toBytes(string));
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
|
@ -18,8 +18,6 @@
|
||||||
package org.jivesoftware.smack.util;
|
package org.jivesoftware.smack.util;
|
||||||
|
|
||||||
import java.io.UnsupportedEncodingException;
|
import java.io.UnsupportedEncodingException;
|
||||||
import java.security.MessageDigest;
|
|
||||||
import java.security.NoSuchAlgorithmException;
|
|
||||||
import java.util.Collection;
|
import java.util.Collection;
|
||||||
import java.util.Random;
|
import java.util.Random;
|
||||||
|
|
||||||
|
@ -100,11 +98,6 @@ public class StringUtils {
|
||||||
return out;
|
return out;
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
|
||||||
* Used by the hash method.
|
|
||||||
*/
|
|
||||||
private static MessageDigest digest = null;
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Hashes a String using the SHA-1 algorithm and returns the result as a
|
* Hashes a String using the SHA-1 algorithm and returns the result as a
|
||||||
* String of hexadecimal numbers. This method is synchronized to avoid
|
* String of hexadecimal numbers. This method is synchronized to avoid
|
||||||
|
@ -120,21 +113,11 @@ public class StringUtils {
|
||||||
*
|
*
|
||||||
* @param data the String to compute the hash of.
|
* @param data the String to compute the hash of.
|
||||||
* @return a hashed version of the passed-in String
|
* @return a hashed version of the passed-in String
|
||||||
|
* @deprecated use {@link org.jivesoftware.smack.util.SHA1#hex(String)} instead.
|
||||||
*/
|
*/
|
||||||
|
@Deprecated
|
||||||
public synchronized static String hash(String data) {
|
public synchronized static String hash(String data) {
|
||||||
if (digest == null) {
|
return org.jivesoftware.smack.util.SHA1.hex(data);
|
||||||
try {
|
|
||||||
digest = MessageDigest.getInstance(SHA1);
|
|
||||||
}
|
|
||||||
catch (NoSuchAlgorithmException nsae) {
|
|
||||||
// Smack wont be able to function normally if this exception is thrown, wrap it into
|
|
||||||
// an ISE and make the user aware of the problem.
|
|
||||||
throw new IllegalStateException(nsae);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// Now, compute hash.
|
|
||||||
digest.update(toBytes(data));
|
|
||||||
return encodeHex(digest.digest());
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
@ -23,9 +23,9 @@ import java.util.concurrent.BlockingQueue;
|
||||||
import java.util.concurrent.LinkedBlockingQueue;
|
import java.util.concurrent.LinkedBlockingQueue;
|
||||||
import java.util.concurrent.TimeUnit;
|
import java.util.concurrent.TimeUnit;
|
||||||
|
|
||||||
import org.jivesoftware.smack.packet.Element;
|
|
||||||
import org.jivesoftware.smack.packet.Packet;
|
import org.jivesoftware.smack.packet.Packet;
|
||||||
import org.jivesoftware.smack.packet.PlainStreamElement;
|
import org.jivesoftware.smack.packet.PlainStreamElement;
|
||||||
|
import org.jivesoftware.smack.packet.TopLevelStreamElement;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* A dummy implementation of {@link XMPPConnection}, intended to be used during
|
* A dummy implementation of {@link XMPPConnection}, intended to be used during
|
||||||
|
@ -53,7 +53,7 @@ public class DummyConnection extends AbstractXMPPConnection {
|
||||||
private String connectionID;
|
private String connectionID;
|
||||||
private Roster roster;
|
private Roster roster;
|
||||||
|
|
||||||
private final BlockingQueue<Element> queue = new LinkedBlockingQueue<Element>();
|
private final BlockingQueue<TopLevelStreamElement> queue = new LinkedBlockingQueue<TopLevelStreamElement>();
|
||||||
|
|
||||||
public DummyConnection() {
|
public DummyConnection() {
|
||||||
this(new ConnectionConfiguration("example.com"));
|
this(new ConnectionConfiguration("example.com"));
|
||||||
|
@ -211,8 +211,9 @@ public class DummyConnection extends AbstractXMPPConnection {
|
||||||
* @return a sent packet.
|
* @return a sent packet.
|
||||||
* @throws InterruptedException
|
* @throws InterruptedException
|
||||||
*/
|
*/
|
||||||
public Packet getSentPacket() throws InterruptedException {
|
@SuppressWarnings("unchecked")
|
||||||
return (Packet) queue.poll();
|
public <P extends TopLevelStreamElement> P getSentPacket() throws InterruptedException {
|
||||||
|
return (P) queue.poll();
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -224,8 +225,9 @@ public class DummyConnection extends AbstractXMPPConnection {
|
||||||
* @return a sent packet.
|
* @return a sent packet.
|
||||||
* @throws InterruptedException
|
* @throws InterruptedException
|
||||||
*/
|
*/
|
||||||
public Packet getSentPacket(int wait) throws InterruptedException {
|
@SuppressWarnings("unchecked")
|
||||||
return (Packet) queue.poll(wait, TimeUnit.SECONDS);
|
public <P extends TopLevelStreamElement> P getSentPacket(int wait) throws InterruptedException {
|
||||||
|
return (P) queue.poll(wait, TimeUnit.SECONDS);
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
@ -0,0 +1,72 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* Copyright 2014 Florian Schmaus
|
||||||
|
*
|
||||||
|
* Licensed 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.jivesoftware.smack.sasl.core;
|
||||||
|
|
||||||
|
import static org.junit.Assert.assertEquals;
|
||||||
|
|
||||||
|
import org.jivesoftware.smack.DummyConnection;
|
||||||
|
import org.jivesoftware.smack.SmackException;
|
||||||
|
import org.jivesoftware.smack.SmackException.NotConnectedException;
|
||||||
|
import org.jivesoftware.smack.sasl.packet.SaslStreamElements.AuthMechanism;
|
||||||
|
import org.jivesoftware.smack.sasl.packet.SaslStreamElements.Response;
|
||||||
|
import org.jivesoftware.smack.test.util.SmackTestSuite;
|
||||||
|
import org.jivesoftware.smack.util.stringencoder.Base64;
|
||||||
|
import org.junit.Before;
|
||||||
|
import org.junit.Test;
|
||||||
|
|
||||||
|
public class SCRAMSHA1MechanismTest {
|
||||||
|
|
||||||
|
public static final String USERNAME = "user";
|
||||||
|
public static final String PASSWORD = "pencil";
|
||||||
|
public static final String CLIENT_FIRST_MESSAGE = "n,,n=user,r=fyko+d2lbbFgONRv9qkxdawL";
|
||||||
|
public static final String SERVER_FIRST_MESSAGE = "r=fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j,s=QSXCR+Q6sek8bf92,i=4096";
|
||||||
|
public static final String CLIENT_FINAL_MESSAGE = "c=biws,r=fyko+d2lbbFgONRv9qkxdawL3rfcNHYJY1ZVvWVs7j,p=v0X8v3Bz2T0CJGbJQyF0X+HI4Ts=";
|
||||||
|
public static final String SERVER_FINAL_MESSAGE = "v=rmF9pqV8S7suAoZWja4dJRkFsKQ=";
|
||||||
|
|
||||||
|
@Before
|
||||||
|
public void init() {
|
||||||
|
SmackTestSuite.init();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testScramSha1Mechanism() throws NotConnectedException, SmackException, InterruptedException {
|
||||||
|
final DummyConnection con = new DummyConnection();
|
||||||
|
SCRAMSHA1Mechanism mech = new SCRAMSHA1Mechanism() {
|
||||||
|
@Override
|
||||||
|
public String getRandomAscii() {
|
||||||
|
this.connection = con;
|
||||||
|
return "fyko+d2lbbFgONRv9qkxdawL";
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
mech.authenticate(USERNAME, "unusedFoo", "unusedBar", PASSWORD);
|
||||||
|
AuthMechanism authMechanism = con.getSentPacket();
|
||||||
|
assertEquals(SCRAMSHA1Mechanism.NAME, authMechanism.getMechanism());
|
||||||
|
assertEquals(CLIENT_FIRST_MESSAGE, saslLayerString(authMechanism.getAuthenticationText()));
|
||||||
|
|
||||||
|
mech.challengeReceived(Base64.encode(SERVER_FIRST_MESSAGE), false);
|
||||||
|
Response response = con.getSentPacket();
|
||||||
|
assertEquals(CLIENT_FINAL_MESSAGE, saslLayerString(response.getAuthenticationText()));
|
||||||
|
|
||||||
|
mech.challengeReceived(Base64.encode(SERVER_FINAL_MESSAGE), true);
|
||||||
|
mech.checkIfSuccessfulOrThrow();
|
||||||
|
}
|
||||||
|
|
||||||
|
private static String saslLayerString(String string) {
|
||||||
|
return Base64.decodeToString(string);
|
||||||
|
}
|
||||||
|
}
|
|
@ -0,0 +1,82 @@
|
||||||
|
/**
|
||||||
|
*
|
||||||
|
* Copyright 2003-2007 Jive Software.
|
||||||
|
*
|
||||||
|
* Licensed 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.jivesoftware.smack.util;
|
||||||
|
|
||||||
|
import static org.junit.Assert.assertEquals;
|
||||||
|
import static org.junit.Assert.assertTrue;
|
||||||
|
import static org.junit.Assert.fail;
|
||||||
|
|
||||||
|
import org.junit.Test;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* A test case for the SHA1 class.
|
||||||
|
*/
|
||||||
|
public class SHA1Test {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testHash() {
|
||||||
|
// Test null
|
||||||
|
// @TODO - should the StringUtils.hash(String) method be fixed to handle null input?
|
||||||
|
try {
|
||||||
|
SHA1.hex((String) null);
|
||||||
|
fail();
|
||||||
|
}
|
||||||
|
catch (NullPointerException npe) {
|
||||||
|
assertTrue(true);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Test empty String
|
||||||
|
String result = SHA1.hex("");
|
||||||
|
assertEquals("da39a3ee5e6b4b0d3255bfef95601890afd80709", result);
|
||||||
|
|
||||||
|
// Test a known hash
|
||||||
|
String adminInHash = "d033e22ae348aeb5660fc2140aec35850c4da997";
|
||||||
|
result = SHA1.hex("admin");
|
||||||
|
assertEquals(adminInHash, result);
|
||||||
|
|
||||||
|
// Test a random String - make sure all resulting characters are valid hash characters
|
||||||
|
// and that the returned string is 32 characters long.
|
||||||
|
String random = "jive software blah and stuff this is pretty cool";
|
||||||
|
result = SHA1.hex(random);
|
||||||
|
assertTrue(isValidHash(result));
|
||||||
|
|
||||||
|
// Test junk input:
|
||||||
|
String junk = "\n\n\t\b\r!@(!)^(#)@+_-\u2031\u09291\u00A9\u00BD\u0394\u00F8";
|
||||||
|
result = SHA1.hex(junk);
|
||||||
|
assertTrue(isValidHash(result));
|
||||||
|
}
|
||||||
|
|
||||||
|
/* ----- Utility methods and vars ----- */
|
||||||
|
|
||||||
|
private final String HASH_CHARS = "0123456789abcdef";
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns true if the input string is valid md5 hash, false otherwise.
|
||||||
|
*/
|
||||||
|
private boolean isValidHash(String result) {
|
||||||
|
boolean valid = true;
|
||||||
|
for (int i=0; i<result.length(); i++) {
|
||||||
|
char c = result.charAt(i);
|
||||||
|
if (HASH_CHARS.indexOf(c) < 0) {
|
||||||
|
valid = false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return valid;
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
|
@ -20,7 +20,6 @@ package org.jivesoftware.smack.util;
|
||||||
import static org.junit.Assert.assertEquals;
|
import static org.junit.Assert.assertEquals;
|
||||||
import static org.junit.Assert.assertNull;
|
import static org.junit.Assert.assertNull;
|
||||||
import static org.junit.Assert.assertTrue;
|
import static org.junit.Assert.assertTrue;
|
||||||
import static org.junit.Assert.fail;
|
|
||||||
|
|
||||||
import org.junit.Test;
|
import org.junit.Test;
|
||||||
|
|
||||||
|
@ -72,57 +71,6 @@ public class StringUtilsTest {
|
||||||
assertEquals(expected.toString(), actual.toString());
|
assertEquals(expected.toString(), actual.toString());
|
||||||
}
|
}
|
||||||
|
|
||||||
@Test
|
|
||||||
public void testHash() {
|
|
||||||
// Test null
|
|
||||||
// @TODO - should the StringUtils.hash(String) method be fixed to handle null input?
|
|
||||||
try {
|
|
||||||
StringUtils.hash(null);
|
|
||||||
fail();
|
|
||||||
}
|
|
||||||
catch (NullPointerException npe) {
|
|
||||||
assertTrue(true);
|
|
||||||
}
|
|
||||||
|
|
||||||
// Test empty String
|
|
||||||
String result = StringUtils.hash("");
|
|
||||||
assertEquals("da39a3ee5e6b4b0d3255bfef95601890afd80709", result);
|
|
||||||
|
|
||||||
// Test a known hash
|
|
||||||
String adminInHash = "d033e22ae348aeb5660fc2140aec35850c4da997";
|
|
||||||
result = StringUtils.hash("admin");
|
|
||||||
assertEquals(adminInHash, result);
|
|
||||||
|
|
||||||
// Test a random String - make sure all resulting characters are valid hash characters
|
|
||||||
// and that the returned string is 32 characters long.
|
|
||||||
String random = "jive software blah and stuff this is pretty cool";
|
|
||||||
result = StringUtils.hash(random);
|
|
||||||
assertTrue(isValidHash(result));
|
|
||||||
|
|
||||||
// Test junk input:
|
|
||||||
String junk = "\n\n\t\b\r!@(!)^(#)@+_-\u2031\u09291\u00A9\u00BD\u0394\u00F8";
|
|
||||||
result = StringUtils.hash(junk);
|
|
||||||
assertTrue(isValidHash(result));
|
|
||||||
}
|
|
||||||
|
|
||||||
/* ----- Utility methods and vars ----- */
|
|
||||||
|
|
||||||
private final String HASH_CHARS = "0123456789abcdef";
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns true if the input string is valid md5 hash, false otherwise.
|
|
||||||
*/
|
|
||||||
private boolean isValidHash(String result) {
|
|
||||||
boolean valid = true;
|
|
||||||
for (int i=0; i<result.length(); i++) {
|
|
||||||
char c = result.charAt(i);
|
|
||||||
if (HASH_CHARS.indexOf(c) < 0) {
|
|
||||||
valid = false;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return valid;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Test
|
@Test
|
||||||
public void testEncodeHex() {
|
public void testEncodeHex() {
|
||||||
String input = "";
|
String input = "";
|
||||||
|
|
|
@ -20,7 +20,7 @@ import java.io.DataInputStream;
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
|
|
||||||
import org.jivesoftware.smack.SmackException;
|
import org.jivesoftware.smack.SmackException;
|
||||||
import org.jivesoftware.smack.util.StringUtils;
|
import org.jivesoftware.smack.util.SHA1;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* A collection of utility methods for SOcKS5 messages.
|
* A collection of utility methods for SOcKS5 messages.
|
||||||
|
@ -41,7 +41,7 @@ class Socks5Utils {
|
||||||
public static String createDigest(String sessionID, String initiatorJID, String targetJID) {
|
public static String createDigest(String sessionID, String initiatorJID, String targetJID) {
|
||||||
StringBuilder b = new StringBuilder();
|
StringBuilder b = new StringBuilder();
|
||||||
b.append(sessionID).append(initiatorJID).append(targetJID);
|
b.append(sessionID).append(initiatorJID).append(targetJID);
|
||||||
return StringUtils.hash(b.toString());
|
return SHA1.hex(b.toString());
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
|
|
@ -41,6 +41,13 @@ public abstract class SASLJavaXMechanism extends SASLMechanism {
|
||||||
@Override
|
@Override
|
||||||
public abstract String getName();
|
public abstract String getName();
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public final void checkIfSuccessfulOrThrow() throws SmackException {
|
||||||
|
if (!sc.isComplete()) {
|
||||||
|
throw new SmackException(getName() + " was not completed");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
protected void authenticateInternal()
|
protected void authenticateInternal()
|
||||||
throws SmackException {
|
throws SmackException {
|
||||||
|
|
|
@ -82,6 +82,14 @@ public class SASLDigestMD5Mechanism extends SASLMechanism {
|
||||||
return new SASLDigestMD5Mechanism();
|
return new SASLDigestMD5Mechanism();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void checkIfSuccessfulOrThrow() throws SmackException {
|
||||||
|
if (verifyServerResponse && state != State.VALID_SERVER_RESPONSE) {
|
||||||
|
throw new SmackException(NAME + " no valid server response");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
protected byte[] evaluateChallenge(byte[] challenge) throws SmackException {
|
protected byte[] evaluateChallenge(byte[] challenge) throws SmackException {
|
||||||
if (challenge.length == 0) {
|
if (challenge.length == 0) {
|
||||||
|
|
|
@ -61,4 +61,9 @@ public class SASLExternalMechanism extends SASLMechanism {
|
||||||
return new SASLExternalMechanism();
|
return new SASLExternalMechanism();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void checkIfSuccessfulOrThrow() throws SmackException {
|
||||||
|
// No check performed
|
||||||
|
}
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
|
@ -54,4 +54,9 @@ public class SASLPlainMechanism extends SASLMechanism {
|
||||||
public SASLPlainMechanism newInstance() {
|
public SASLPlainMechanism newInstance() {
|
||||||
return new SASLPlainMechanism();
|
return new SASLPlainMechanism();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void checkIfSuccessfulOrThrow() throws SmackException {
|
||||||
|
// No check performed
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in a new issue