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SASLTest.java
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SASLTest.java
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package org.jgroups.protocols;
import static org.testng.AssertJUnit.assertTrue;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.sasl.AuthorizeCallback;
import javax.security.sasl.RealmCallback;
import org.jgroups.Address;
import org.jgroups.Event;
import org.jgroups.Global;
import org.jgroups.JChannel;
import org.jgroups.Membership;
import org.jgroups.View;
import org.jgroups.protocols.pbcast.GMS;
import org.jgroups.protocols.pbcast.NAKACK2;
import org.jgroups.protocols.pbcast.STABLE;
import org.jgroups.stack.Protocol;
import org.jgroups.stack.ProtocolStack;
import org.jgroups.util.Util;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;
@Test(groups = Global.FUNCTIONAL, singleThreaded = true)
public class SASLTest {
private static final String REALM = "MyRealm";
private JChannel a;
private JChannel b;
private static JChannel createChannel(String channelName, String mech, String username) throws Exception {
SASL sasl = new SASL();
sasl.setMech(mech);
sasl.setClientCallbackHandler(new MyCallbackHandler(username));
sasl.setServerCallbackHandler(new MyCallbackHandler(username));
sasl.setTimeout(5000);
sasl.sasl_props.put("com.sun.security.sasl.digest.realm", REALM);
sasl.setLevel("trace");
GMS gms = new GMS();
gms.setJoinTimeout(3000);
return new JChannel(new Protocol[] { new SHARED_LOOPBACK(), new PING(), new MERGE3(), new NAKACK2(),
new UNICAST3(), new STABLE(), sasl, gms }).name(channelName);
}
public void testSASLDigestMD5() throws Exception {
a = createChannel("A", "DIGEST-MD5", "jack");
b = createChannel("B", "DIGEST-MD5", "jack");
a.connect("SaslTest");
b.connect("SaslTest");
assertTrue(b.isConnected());
}
@Test(expectedExceptions = SecurityException.class)
public void testSASLDigestMD5Failure() throws Throwable {
a = createChannel("A", "DIGEST-MD5", "jack");
b = createChannel("B", "DIGEST-MD5", "jill");
a.connect("SaslTest");
try {
b.connect("SaslTest");
} catch (Exception e) {
if (e.getCause() != null)
throw e.getCause();
}
}
public void testSASLDigestMD5Merge() throws Exception {
a = createChannel("A", "DIGEST-MD5", "jack");
b = createChannel("B", "DIGEST-MD5", "jack");
a.connect("SaslTest");
b.connect("SaslTest");
assertTrue(b.isConnected());
print(a, b);
createPartitions(a, b);
print(a, b);
assertTrue(checkViewSize(1, a, b));
dropDiscard(a, b);
mergePartitions(a, b);
for(int i = 0; i < 10 && !checkViewSize(2, a, b); i++) {
Util.sleep(500);
}
assertTrue(viewContains(a.getView(), a, b));
assertTrue(viewContains(b.getView(), a, b));
}
private boolean viewContains(View view, JChannel... channels) {
boolean b = true;
for (JChannel ch : channels) {
b = b && view.containsMember(ch.getAddress());
}
return b;
}
private void dropDiscard(JChannel... channels) {
for (JChannel ch : channels) {
ch.getProtocolStack().removeProtocol(DISCARD.class);
}
}
private boolean checkViewSize(int expectedSize, JChannel... channels) {
boolean b = true;
for (JChannel ch : channels) {
b = b && ch.getView().size() == expectedSize;
}
return b;
}
@AfterMethod
public void cleanup() {
a.close();
b.close();
}
private static void createPartitions(JChannel... channels) throws Exception {
for (JChannel ch : channels) {
DISCARD discard = new DISCARD();
discard.setDiscardAll(true);
ch.getProtocolStack().insertProtocol(discard, ProtocolStack.ABOVE, TP.class);
}
for (JChannel ch : channels) {
View view = View.create(ch.getAddress(), 10, ch.getAddress());
GMS gms = (GMS) ch.getProtocolStack().findProtocol(GMS.class);
gms.installView(view);
}
}
private static void mergePartitions(JChannel... channels) throws Exception {
Membership membership = new Membership();
for (JChannel ch : channels) {
membership.add(ch.getAddress());
}
membership.sort();
Address leaderAddress = membership.elementAt(0);
JChannel leader = findChannelByAddress(leaderAddress, channels);
GMS gms = (GMS) leader.getProtocolStack().findProtocol(GMS.class);
gms.setLevel("trace");
Map<Address, View> views = new HashMap<Address, View>();
for (JChannel ch : channels) {
views.put(ch.getAddress(), ch.getView());
}
gms.up(new Event(Event.MERGE, views));
}
private static JChannel findChannelByAddress(Address address, JChannel... channels) {
for (JChannel ch : channels) {
if (ch.getAddress().equals(address)) {
return ch;
}
}
return null;
}
private static void print(JChannel... channels) {
for (JChannel ch : channels) {
System.out.println(ch.getName() + ": " + ch.getView());
}
}
public static class MyCallbackHandler implements CallbackHandler {
final private String password;
public MyCallbackHandler(String password) {
this.password = password;
}
@Override
public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {
for (Callback callback : callbacks) {
if (callback instanceof NameCallback) {
NameCallback nameCallback = (NameCallback) callback;
nameCallback.setName("user");
} else if (callback instanceof PasswordCallback) {
PasswordCallback passwordCallback = (PasswordCallback) callback;
passwordCallback.setPassword(password.toCharArray());
} else if (callback instanceof AuthorizeCallback) {
AuthorizeCallback authorizeCallback = (AuthorizeCallback) callback;
authorizeCallback.setAuthorized(
authorizeCallback.getAuthenticationID().equals(authorizeCallback.getAuthorizationID()));
} else if (callback instanceof RealmCallback) {
RealmCallback realmCallback = (RealmCallback) callback;
realmCallback.setText(REALM);
} else {
throw new UnsupportedCallbackException(callback);
}
}
}
}
}