/*
* Copyright 2009-2016 the original author or authors.
*
* 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.springframework.security.remoting.dns;
import static org.assertj.core.api.Assertions.*;
import static org.mockito.Mockito.*;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import javax.naming.directory.Attributes;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.BasicAttributes;
import javax.naming.directory.DirContext;
import org.junit.Before;
import org.junit.Test;
/**
*
* @author Mike Wiesner
* @since 3.0
*/
public class JndiDnsResolverTests {
private JndiDnsResolver dnsResolver;
private InitialContextFactory contextFactory;
private DirContext context;
@Before
public void setup() {
contextFactory = mock(InitialContextFactory.class);
context = mock(DirContext.class);
dnsResolver = new JndiDnsResolver();
dnsResolver.setCtxFactory(contextFactory);
when(contextFactory.getCtx()).thenReturn(context);
}
@Test
public void testResolveIpAddress() throws Exception {
Attributes records = new BasicAttributes("A", "63.246.7.80");
when(context.getAttributes("www.springsource.com", new String[] { "A" }))
.thenReturn(records);
String ipAddress = dnsResolver.resolveIpAddress("www.springsource.com");
assertThat(ipAddress).isEqualTo("63.246.7.80");
}
@Test(expected = DnsEntryNotFoundException.class)
public void testResolveIpAddressNotExisting() throws Exception {
when(context.getAttributes(any(String.class), any(String[].class))).thenThrow(
new NameNotFoundException("not found"));
dnsResolver.resolveIpAddress("notexisting.ansdansdugiuzgguzgioansdiandwq.foo");
}
@Test
public void testResolveServiceEntry() throws Exception {
BasicAttributes records = createSrvRecords();
when(context.getAttributes("_ldap._tcp.springsource.com", new String[] { "SRV" }))
.thenReturn(records);
String hostname = dnsResolver.resolveServiceEntry("ldap", "springsource.com");
assertThat(hostname).isEqualTo("kdc.springsource.com");
}
@Test(expected = DnsEntryNotFoundException.class)
public void testResolveServiceEntryNotExisting() throws Exception {
when(context.getAttributes(any(String.class), any(String[].class))).thenThrow(
new NameNotFoundException("not found"));
dnsResolver.resolveServiceEntry("wrong", "secpod.de");
}
@Test
public void testResolveServiceIpAddress() throws Exception {
BasicAttributes srvRecords = createSrvRecords();
BasicAttributes aRecords = new BasicAttributes("A", "63.246.7.80");
when(context.getAttributes("_ldap._tcp.springsource.com", new String[] { "SRV" }))
.thenReturn(srvRecords);
when(context.getAttributes("kdc.springsource.com", new String[] { "A" }))
.thenReturn(aRecords);
String ipAddress = dnsResolver
.resolveServiceIpAddress("ldap", "springsource.com");
assertThat(ipAddress).isEqualTo("63.246.7.80");
}
@Test(expected = DnsLookupException.class)
public void testUnknowError() throws Exception {
when(context.getAttributes(any(String.class), any(String[].class))).thenThrow(
new NamingException("error"));
dnsResolver.resolveIpAddress("");
}
private BasicAttributes createSrvRecords() {
BasicAttributes records = new BasicAttributes();
BasicAttribute record = new BasicAttribute("SRV");
// the structure of the service records is:
// priority weight port hostname
// for more information: http://en.wikipedia.org/wiki/SRV_record
record.add("20 80 389 kdc3.springsource.com.");
record.add("10 70 389 kdc.springsource.com.");
record.add("20 20 389 kdc4.springsource.com.");
record.add("10 30 389 kdc2.springsource.com");
records.put(record);
return records;
}
}