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SEC-2405: Use DirContextAdapter directly from search. Configure OBJECT_FACTORIES on DirContext created for ActiveDirectory.

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This commit is contained in:
Mattias Hellborg Arthursson
2013-11-20 09:22:52 +01:00
committed by Rob Winch
parent 9dbe30c81d
commit bc6fc518d3
3 changed files with 53 additions and 39 deletions
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62
ldap/src/main/java/org/springframework/security/ldap/SpringSecurityLdapTemplate.java
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@@ -1,10 +1,11 @@
/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
/*
* Copyright 2002-2013 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
* 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,
@@ -12,23 +13,8 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.ldap;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import javax.naming.CompositeName;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.PartialResultException;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
@@ -42,6 +28,18 @@ import org.springframework.ldap.core.LdapEncoder;
import org.springframework.ldap.core.LdapTemplate;
import org.springframework.util.Assert;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.PartialResultException;
import javax.naming.directory.Attributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
/**
* Extension of Spring LDAP's LdapTemplate class which adds extra functionality required by Spring Security.
@@ -55,6 +53,7 @@ public class SpringSecurityLdapTemplate extends LdapTemplate {
private static final Log logger = LogFactory.getLog(SpringSecurityLdapTemplate.class);
public static final String[] NO_ATTRS = new String[0];
private static final boolean RETURN_OBJECT = true;
//~ Instance fields ================================================================================================
@@ -207,7 +206,7 @@ public class SpringSecurityLdapTemplate extends LdapTemplate {
String base, String filter, Object[] params) throws NamingException {
final DistinguishedName ctxBaseDn = new DistinguishedName(ctx.getNameInNamespace());
final DistinguishedName searchBaseDn = new DistinguishedName(base);
final NamingEnumeration<SearchResult> resultsEnum = ctx.search(searchBaseDn, filter, params, searchControls);
final NamingEnumeration<SearchResult> resultsEnum = ctx.search(searchBaseDn, filter, params, buildControls(searchControls));
if (logger.isDebugEnabled()) {
logger.debug("Searching for entry under DN '" + ctxBaseDn
@@ -218,17 +217,13 @@ public class SpringSecurityLdapTemplate extends LdapTemplate {
try {
while (resultsEnum.hasMore()) {
SearchResult searchResult = resultsEnum.next();
// Work out the DN of the matched entry
DistinguishedName dn = new DistinguishedName(new CompositeName(searchResult.getName()));
if (base.length() > 0) {
dn.prepend(searchBaseDn);
}
DirContextAdapter dca = (DirContextAdapter) searchResult.getObject();
Assert.notNull(dca, "No object returned by search, DirContext is not correctly configured");
if (logger.isDebugEnabled()) {
logger.debug("Found DN: " + dn);
logger.debug("Found DN: " + dca.getDn());
}
results.add(new DirContextAdapter(searchResult.getAttributes(), dn, ctxBaseDn));
results.add(dca);
}
} catch (PartialResultException e) {
LdapUtils.closeEnumeration(resultsEnum);
@@ -246,6 +241,21 @@ public class SpringSecurityLdapTemplate extends LdapTemplate {
return results.iterator().next();
}
/**
* We need to make sure the search controls has the return object flag set to true, in order for
* the search to return DirContextAdapter instances.
* @param originalControls
* @return
*/
private static SearchControls buildControls(SearchControls originalControls) {
return new SearchControls(originalControls.getSearchScope(),
originalControls.getCountLimit(),
originalControls.getTimeLimit(),
originalControls.getReturningAttributes(),
RETURN_OBJECT,
originalControls.getDerefLinkFlag());
}
/**
* Sets the search controls which will be used for search operations by the template.
*

2
ldap/src/main/java/org/springframework/security/ldap/authentication/ad/ActiveDirectoryLdapAuthenticationProvider.java
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@@ -15,6 +15,7 @@ package org.springframework.security.ldap.authentication.ad;
import org.springframework.dao.IncorrectResultSizeDataAccessException;
import org.springframework.ldap.core.DirContextOperations;
import org.springframework.ldap.core.DistinguishedName;
import org.springframework.ldap.core.support.DefaultDirObjectFactory;
import org.springframework.ldap.support.LdapUtils;
import org.springframework.security.authentication.AccountExpiredException;
import org.springframework.security.authentication.BadCredentialsException;
@@ -174,6 +175,7 @@ public final class ActiveDirectoryLdapAuthenticationProvider extends AbstractLda
env.put(Context.PROVIDER_URL, bindUrl);
env.put(Context.SECURITY_CREDENTIALS, password);
env.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
env.put(Context.OBJECT_FACTORIES, DefaultDirObjectFactory.class.getName());
try {
return contextFactory.createContext(env);