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Date: Wed, 8 Apr 2009 15:33:31 +0200 (CEST)
From: jfmelian@free.fr
To: users@directory.apache.org
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Subject: [ApacheDS]  search with french accents
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Hi=20

How to search entries with french accents in the filter ?=20

I have two users :=20

First user (InetOrgPerson):=20
cn=3DAlbert Einstein=20
uid=3Daeinstein=20
...=20

Second user (InetOrgPerson):=20
cn=3Dr=C3=A9dacteur1=20
uid=3Dr=C3=A9dacteur1=20
...=20

and a group (GroupOfUniqueNames) with 2 members :=20

uniqueMember=3Duid=3Daeinstein,ou=3DUsers,dc=3Dexample,dc=3Dcom=20
uniqueMember=3Duid=3Dr=C3=A9dacteur1,ou=3DUsers,dc=3Dexample,dc=3Dcom=20


I have wrote a sample to find dn of users and the groups of users (by dn).=
=20
I can find the two users but only the group of Albert=20

the output of the test :=20


here the code :=20
package tests;=20

import java.io.UnsupportedEncodingException;=20
import java.util.ArrayList;=20
import java.util.Collection;=20
import java.util.Iterator;=20
import java.util.Properties;=20
import java.util.Map.Entry;=20

import javax.naming.Context;=20
import javax.naming.NamingEnumeration;=20
import javax.naming.NamingException;=20
import javax.naming.NoInitialContextException;=20
import javax.naming.directory.SearchControls;=20
import javax.naming.directory.SearchResult;=20
import javax.naming.ldap.InitialLdapContext;=20

public class LdapSearch=20
{=20
InitialLdapContext ldapContext =3D null;=20
String dn=3D"uid=3Dadmin,ou=3Dsystem";=20
String pwd=3D"secret";=20


String baseSearch=3D"dc=3Dexample, dc=3Dcom";=20
String member=3D"uniqueMember";=20
String groupClass=3D"GroupOfUniqueNames";=20
String fistUser=3D"Albert Einstein";=20
String secondUser=3D"r=C3=A9dacteur1";=20


public static String charToUtf8Hex(char c)=20
{=20
String ss =3D new String();=20
StringBuffer b =3D new StringBuffer();=20
ss +=3D c;=20
byte[] bs;=20
try=20
{=20
bs =3D ss.getBytes("UTF-8");=20
for (int k =3D 0; k < bs.length; k++) {=20
b.append("\\");=20
b.append(UnicodeFormatter.byteToHex(bs[k]));=20
}=20
} catch (UnsupportedEncodingException e)=20
{=20
}=20
return b.toString();=20
}=20

public static String native2ascii(String s){=20
StringBuffer sb =3D new StringBuffer(s.length()*2);=20
char[] array=3Ds.toCharArray();=20
for (int i =3D 0; i < array.length; i++) {=20
switch(array[i]){=20
case '(':=20
case ')':=20
case '\\':=20
case '*':=20
sb.append( UnicodeFormatter.charToUtf8Hex(array[i]) );=20
break;=20
default:=20
if (array[i] <=3D 0x7f) {=20
sb.append(array[i]);=20
} else {=20
sb.append( UnicodeFormatter.charToUtf8Hex(array[i]) );=20
}=20
break;=20
}=20
}=20
return sb.toString();=20
}=20


private InitialLdapContext initializeLdapContext(final String dn, final Obj=
ect credential) throws NamingException {=20
InitialLdapContext ldapContext =3D null;=20

final Properties ldapEnvironment =3D new Properties();=20

ldapEnvironment.setProperty(Context.PROVIDER_URL, "ldap://localhost:10389")=
;=20
ldapEnvironment.setProperty(Context.SECURITY_AUTHENTICATION, "simple");=20
ldapEnvironment.setProperty(Context.SECURITY_PRINCIPAL, dn);=20
ldapEnvironment.put(Context.SECURITY_CREDENTIALS, credential);=20
ldapEnvironment.put( "java.naming.ldap.version", "3" );=20
ldapEnvironment.put(Context.REFERRAL, "follow");=20
ldapEnvironment.setProperty(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.=
ldap.LdapCtxFactory");=20

// traceLdapEnv(env);=20
ldapContext =3D new InitialLdapContext(ldapEnvironment, null);=20


return ldapContext;=20
}=20

private String getDNOfUser(final String userName, boolean escapeValue) thro=
ws NoInitialContextException, NamingException {=20
String dn =3D null;=20
final StringBuffer filter =3D new StringBuffer();=20

filter.append("(&(cn=3D");=20
if (escapeValue)=20
filter.append(native2ascii(userName));=20
else=20
filter.append(userName);=20
filter.append(")(ObjectClass=3DinetOrgPerson))");=20

final String[] attrNames =3D new String[0];=20

final SearchControls constraints =3D new SearchControls();=20
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);=20
constraints.setCountLimit(1);=20
constraints.setReturningAttributes(attrNames);=20

NamingEnumeration results =3D null;=20
results =3D this.ldapContext.search(this.baseSearch, filter.toString(), nul=
l, constraints);=20

if (results.hasMore()) {=20
final SearchResult sr =3D (SearchResult) results.next();=20
if (sr.isRelative() =3D=3D true) {=20
dn =3D sr.getName() + "," + this.baseSearch;=20
} else {=20
dn =3D sr.getName();=20
}=20
}=20
if (results !=3D null) {=20
results.close();=20
}=20
return dn;=20
}=20


private Collection<String> getGroups(String sDN, boolean escapeValue) throw=
s NamingException=20
{=20

final ArrayList<String> listDNs =3D new ArrayList<String>();=20

String sBaseSearch =3D null;=20
final StringBuffer sFilter =3D new StringBuffer();=20

sBaseSearch =3D this.baseSearch;=20

sFilter.append("(&(");=20
sFilter.append(member);=20
sFilter.append("=3D");=20

if (escapeValue)=20
sFilter.append(native2ascii(sDN));=20
else=20
sFilter.append(sDN);=20

sFilter.append(")(ObjectClass=3D");=20
sFilter.append(groupClass);=20
sFilter.append("))");=20

final String[] attrNames =3D new String[0];=20

final SearchControls constraints =3D new SearchControls();=20
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);=20
constraints.setCountLimit(0); // no limit=20
constraints.setReturningAttributes(attrNames);=20

NamingEnumeration results =3D null;=20
System.out.println("\t\t\tBase=3D" + sBaseSearch);=20
System.out.println("\t\t\tFilter=3D" + sFilter.toString());=20
results =3D this.ldapContext.search(sBaseSearch, sFilter.toString(), null, =
constraints);=20

while (results.hasMoreElements()) {=20
final SearchResult sr =3D (SearchResult) results.nextElement();=20
final StringBuffer dn =3D new StringBuffer();=20

dn.append(sr.getName());=20
if (sr.isRelative() =3D=3D true) {=20
dn.append(",");=20
dn.append(this.baseSearch);=20
}=20
listDNs.add(dn.toString());=20
}=20
if (results !=3D null)=20
results.close();=20

return listDNs;=20
}=20


public static void main(String[] args) throws NamingException=20
{=20

LdapSearch ldapSearch =3D new LdapSearch();=20

ldapSearch.ldapContext =3D ldapSearch.initializeLdapContext(ldapSearch.dn, =
ldapSearch.pwd.getBytes());=20


String userDn =3D ldapSearch.getDNOfUser(ldapSearch.fistUser, true);=20
if (userDn !=3D null)=20
{=20
System.out.println("dn of User =3D " + userDn);=20
System.out.println("search groups true");=20
Collection<String>groups=3DldapSearch.getGroups(userDn,true);=20
if (groups.size() > 0){=20
for (String s : groups)=20
System.out.println(s);=20
}=20
else=20
System.out.println("not found");=20
System.out.println("search groups false");=20
groups=3DldapSearch.getGroups(userDn,false);=20
if (groups.size() > 0){=20
for (String s : groups)=20
System.out.println(s);=20
}=20
else=20
System.out.println("not found");=20

}=20
else=20
System.out.println(ldapSearch.fistUser + " not found");=20

userDn =3D ldapSearch.getDNOfUser(ldapSearch.secondUser, true);=20
if (userDn !=3D null)=20
{=20
System.out.println("dn of User =3D " + userDn);=20
System.out.println("search groups true");=20
Collection<String>groups=3DldapSearch.getGroups(userDn,true);=20
if (groups.size() > 0){=20
for (String s : groups)=20
System.out.println(s);=20
}=20
else=20
System.out.println("not found");=20
System.out.println("search groups false");=20
groups=3DldapSearch.getGroups(userDn,false);=20
if (groups.size() > 0){=20
for (String s : groups)=20
System.out.println(s);=20
}=20
else=20
System.out.println("not found");=20

}=20
else=20
System.out.println(ldapSearch.secondUser + "(true) not found");=20

userDn =3D ldapSearch.getDNOfUser(ldapSearch.secondUser, false);=20
if (userDn !=3D null)=20
{=20
System.out.println("dn of User =3D " + userDn);=20
System.out.println("search groups true");=20
Collection<String>groups=3DldapSearch.getGroups(userDn,true);=20
if (groups.size() > 0){=20
for (String s : groups)=20
System.out.println(s);=20
}=20
else=20
System.out.println("not found");=20
System.out.println("search groups false");=20
groups=3DldapSearch.getGroups(userDn,false);=20
if (groups.size() > 0){=20
for (String s : groups)=20
System.out.println(s);=20
}=20
else=20
System.out.println("not found");=20

}=20
else=20
System.out.println(ldapSearch.secondUser + "(false) not found");=20

}=20
}=20


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