Hi
How to search entries with french accents in the filter ?
I have two users :
First user (InetOrgPerson):
cn=Albert Einstein
uid=aeinstein
...
Second user (InetOrgPerson):
cn=rédacteur1
uid=rédacteur1
...
and a group (GroupOfUniqueNames) with 2 members :
uniqueMember=uid=aeinstein,ou=Users,dc=example,dc=com
uniqueMember=uid=rédacteur1,ou=Users,dc=example,dc=com
I have wrote a sample to find dn of users and the groups of users (by dn).
I can find the two users but only the group of Albert
the output of the test :
------ Albert -------------
dn of User = uid=aeinstein,ou=Users,dc=example, dc=com
search groups true
Base=dc=example, dc=com
Filter=(&(uniqueMember=uid=aeinstein,ou=Users,dc=example,
dc=com)(ObjectClass=GroupOfUniqueNames))
cn=userAdmins,ou=Groups,dc=example, dc=com
------ rédacteur1 : escape filter -------------
dn of User = uid=rédacteur1,ou=Users,dc=example, dc=com
search groups true
Base=dc=example, dc=com
Filter=(&(uniqueMember=uid=r\c3\a9dacteur1,ou=Users,dc=example,
dc=com)(ObjectClass=GroupOfUniqueNames))
not found
------ rédacteur1 : not escape filter -------------
dn of User = uid=rédacteur1,ou=Users,dc=example, dc=com
search groups false
Base=dc=example, dc=com
Filter=(&(uniqueMember=uid=rédacteur1,ou=Users,dc=example,
dc=com)(ObjectClass=GroupOfUniqueNames))
not found
here the code :
package tests;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.Properties;
import java.util.Map.Entry;
import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.NoInitialContextException;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext;
public class LdapSearch
{
InitialLdapContext ldapContext = null;
String dn="uid=admin,ou=system";
String pwd="secret";
String baseSearch="dc=example, dc=com";
String member="uniqueMember";
String groupClass="GroupOfUniqueNames";
String fistUser="Albert Einstein";
String secondUser="rédacteur1";
public static String charToUtf8Hex(char c)
{
String ss = new String();
StringBuffer b = new StringBuffer();
ss += c;
byte[] bs;
try
{
bs = ss.getBytes("UTF-8");
for (int k = 0; k < bs.length; k++) {
b.append("\\");
b.append(UnicodeFormatter.byteToHex(bs[k]));
}
} catch (UnsupportedEncodingException e)
{
}
return b.toString();
}
public static String native2ascii(String s){
StringBuffer sb = new StringBuffer(s.length()*2);
char[] array=s.toCharArray();
for (int i = 0; i < array.length; i++) {
switch(array[i]){
case '(':
case ')':
case '\\':
case '*':
sb.append( UnicodeFormatter.charToUtf8Hex(array[i]) );
break;
default:
if (array[i] <= 0x7f) {
sb.append(array[i]);
} else {
sb.append( UnicodeFormatter.charToUtf8Hex(array[i]) );
}
break;
}
}
return sb.toString();
}
private InitialLdapContext initializeLdapContext(final String dn, final Object
credential) throws NamingException {
InitialLdapContext ldapContext = null;
final Properties ldapEnvironment = new Properties();
ldapEnvironment.setProperty(Context.PROVIDER_URL, "ldap://localhost:10389";);
ldapEnvironment.setProperty(Context.SECURITY_AUTHENTICATION, "simple");
ldapEnvironment.setProperty(Context.SECURITY_PRINCIPAL, dn);
ldapEnvironment.put(Context.SECURITY_CREDENTIALS, credential);
ldapEnvironment.put( "java.naming.ldap.version", "3" );
ldapEnvironment.put(Context.REFERRAL, "follow");
ldapEnvironment.setProperty(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory");
// traceLdapEnv(env);
ldapContext = new InitialLdapContext(ldapEnvironment, null);
return ldapContext;
}
private String getDNOfUser(final String userName, boolean escapeValue) throws
NoInitialContextException, NamingException {
String dn = null;
final StringBuffer filter = new StringBuffer();
filter.append("(&(cn=");
if (escapeValue)
filter.append(native2ascii(userName));
else
filter.append(userName);
filter.append(")(ObjectClass=inetOrgPerson))");
final String[] attrNames = new String[0];
final SearchControls constraints = new SearchControls();
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
constraints.setCountLimit(1);
constraints.setReturningAttributes(attrNames);
NamingEnumeration results = null;
results = this.ldapContext.search(this.baseSearch, filter.toString(), null,
constraints);
if (results.hasMore()) {
final SearchResult sr = (SearchResult) results.next();
if (sr.isRelative() == true) {
dn = sr.getName() + "," + this.baseSearch;
} else {
dn = sr.getName();
}
}
if (results != null) {
results.close();
}
return dn;
}
private Collection<String> getGroups(String sDN, boolean escapeValue) throws
NamingException
{
final ArrayList<String> listDNs = new ArrayList<String>();
String sBaseSearch = null;
final StringBuffer sFilter = new StringBuffer();
sBaseSearch = this.baseSearch;
sFilter.append("(&(");
sFilter.append(member);
sFilter.append("=");
if (escapeValue)
sFilter.append(native2ascii(sDN));
else
sFilter.append(sDN);
sFilter.append(")(ObjectClass=");
sFilter.append(groupClass);
sFilter.append("))");
final String[] attrNames = new String[0];
final SearchControls constraints = new SearchControls();
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
constraints.setCountLimit(0); // no limit
constraints.setReturningAttributes(attrNames);
NamingEnumeration results = null;
System.out.println("\t\t\tBase=" + sBaseSearch);
System.out.println("\t\t\tFilter=" + sFilter.toString());
results = this.ldapContext.search(sBaseSearch, sFilter.toString(), null,
constraints);
while (results.hasMoreElements()) {
final SearchResult sr = (SearchResult) results.nextElement();
final StringBuffer dn = new StringBuffer();
dn.append(sr.getName());
if (sr.isRelative() == true) {
dn.append(",");
dn.append(this.baseSearch);
}
listDNs.add(dn.toString());
}
if (results != null)
results.close();
return listDNs;
}
public static void main(String[] args) throws NamingException
{
LdapSearch ldapSearch = new LdapSearch();
ldapSearch.ldapContext = ldapSearch.initializeLdapContext(ldapSearch.dn,
ldapSearch.pwd.getBytes());
String userDn = ldapSearch.getDNOfUser(ldapSearch.fistUser, true);
if (userDn != null)
{
System.out.println("dn of User = " + userDn);
System.out.println("search groups true");
Collection<String>groups=ldapSearch.getGroups(userDn,true);
if (groups.size() > 0){
for (String s : groups)
System.out.println(s);
}
else
System.out.println("not found");
System.out.println("search groups false");
groups=ldapSearch.getGroups(userDn,false);
if (groups.size() > 0){
for (String s : groups)
System.out.println(s);
}
else
System.out.println("not found");
}
else
System.out.println(ldapSearch.fistUser + " not found");
userDn = ldapSearch.getDNOfUser(ldapSearch.secondUser, true);
if (userDn != null)
{
System.out.println("dn of User = " + userDn);
System.out.println("search groups true");
Collection<String>groups=ldapSearch.getGroups(userDn,true);
if (groups.size() > 0){
for (String s : groups)
System.out.println(s);
}
else
System.out.println("not found");
System.out.println("search groups false");
groups=ldapSearch.getGroups(userDn,false);
if (groups.size() > 0){
for (String s : groups)
System.out.println(s);
}
else
System.out.println("not found");
}
else
System.out.println(ldapSearch.secondUser + "(true) not found");
userDn = ldapSearch.getDNOfUser(ldapSearch.secondUser, false);
if (userDn != null)
{
System.out.println("dn of User = " + userDn);
System.out.println("search groups true");
Collection<String>groups=ldapSearch.getGroups(userDn,true);
if (groups.size() > 0){
for (String s : groups)
System.out.println(s);
}
else
System.out.println("not found");
System.out.println("search groups false");
groups=ldapSearch.getGroups(userDn,false);
if (groups.size() > 0){
for (String s : groups)
System.out.println(s);
}
else
System.out.println("not found");
}
else
System.out.println(ldapSearch.secondUser + "(false) not found");
}
}
