[英]java Program tells that a User belongs to Which Group In LDAP
我想編寫一個Java程序,將用戶作為輸入並在OpenDS或LDAP中搜索,並告訴用戶該用戶屬於哪個特定組。 該用戶可以是多個組的一部分,我想知道該用戶所屬的所有組。
另外,我在一個Excel文件中有800多個用戶,這些用戶屬於各個組。 我想查詢所有這些。 這是下面的查詢,它給我一個用戶所需的結果。
ldapsearch --hostname myhost --port 3890 --baseDN s=s-i -D cn=Manager -w ldapadmin --searchScope sub "(&(objectclass=groupOfUniqueNames)(uniqueMember=cn=Kevin,ou=standard,ou=users,ou=tpc,dc=intra))"
現在,我想為此編寫一個Java代碼。 以下是我與其他用戶嘗試過的Java代碼:-
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.util.Hashtable;
import java.util.Enumeration;
import javax.naming.*;
import javax.naming.directory.*;
public class LDAP_Reader_MultiUser1 {
public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory";
public static String MY_HOST = "ldap://singh.plm.com:3890";
public static String MY_SEARCHBASE = "cn=Public,x=x-y,ou=people,cn=UserBAse_8.0,cn=Application Services,o=x-y";
public static String MY_FILTER = "(&(objectclass=groupOfUniqueNames)(uniqueMember=";
public static String MGR_DN = "cn=Manager";
public static String MGR_PW = "ldapadmin";
public static void main(String[] args) {
String[] MY_FILTER2=null;
try{
String fileName="C:\\report\\report.txt";
FileReader inputFile = new FileReader(fileName);
BufferedReader bufferReader = new BufferedReader(inputFile);
String line;
int i=0;
while ((line = bufferReader.readLine()) != null)
{
System.out.println("Reading text file");
MY_FILTER2[i]=line;
i++;
}
int j=i;
while(j>0)
{
System.out.println("MAking my_filter_final");
String MY_FILTER_Final=MY_FILTER+MY_FILTER2[i]+"))\"";
i--;
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY,INITCTX);
env.put(Context.PROVIDER_URL,MY_HOST);
env.put(Context.SECURITY_AUTHENTICATION,"simple");
env.put(Context.SECURITY_PRINCIPAL,MGR_DN);
env.put(Context.SECURITY_CREDENTIALS,MGR_PW);
DirContext ctx = new InitialDirContext(env);
SearchControls constraints = new SearchControls();
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
//performs the actual search
//We give it a searchbase, a filter and the contraints containing the scope
//of the search
NamingEnumeration results = ctx.search(MY_SEARCHBASE,MY_FILTER_Final,constraints);
//now stop through the search results
while(results != null && results.hasMore()){
SearchResult sr = (SearchResult)results.next();
String dn = sr.getName();
System.out.println("Distinguished name is "+dn);
Attributes attrs = sr.getAttributes();
NamingEnumeration ne = attrs.getAll();
while(ne.hasMoreElements()) {
Attribute attr = (Attribute) ne.next();
String attrID = attr.getID();
System.out.println(attrID+" :");
Enumeration vals = attr.getAll();
while(vals.hasMoreElements() ) {
System.out.println("\t"+vals.nextElement());
}
}
System.out.println("\n");
}
}
}catch(Exception ex){
ex.printStackTrace();
System.exit(1);
}
}
}
上面的代碼提供以下錯誤輸出。
Reading text file
java.lang.NullPointerException
at com.LDAP_Reader_MultiUser1.main(LDAP_Reader_MultiUser1.java:32)
當前使用OpenDS並打開LDAP
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.Hashtable;
import java.util.Enumeration;
import javax.naming.*;
import javax.naming.directory.*;
public class LDAP_Reader_MultiUser1 {
public static String INITCTX = "com.sun.jndi.ldap.LdapCtxFactory";
public static String MY_HOST = "ldap://singh.local.com:3890";
public static String MY_SEARCHBASE = "cn=Public,x=x-y,ou=people,cn=UserBase_8.0,cn=Application Services,x=x-y";
public static String MY_FILTER = "(&(objectclass=groupOfUniqueNames)(uniqueMember=";
public static String MGR_DN = "cn=Manager";
public static String MGR_PW = "ldapadmin";
public static void main(String[] args) throws IOException {
String[] MY_FILTER2=new String[900];
try{
String fileName="C:\\report\\report.txt";
FileReader inputFile = new FileReader(fileName);
BufferedReader bufferReader = new BufferedReader(inputFile);
String line;
String only_name;
int i=0;
while ((line = bufferReader.readLine()) != null)
{
MY_FILTER2[i]=line;
//System.out.println("My_Filter2="+MY_FILTER2[i]);
i++;
only_name="ram";
//System.out.println("MAking my_filter_final");
String MY_FILTER_Final=MY_FILTER+line+"))";
Hashtable env = new Hashtable();
env.put(Context.INITIAL_CONTEXT_FACTORY,INITCTX);
env.put(Context.PROVIDER_URL,MY_HOST);
env.put(Context.SECURITY_AUTHENTICATION,"simple");
env.put(Context.SECURITY_PRINCIPAL,MGR_DN);
env.put(Context.SECURITY_CREDENTIALS,MGR_PW);
DirContext ctx = new InitialDirContext(env);
SearchControls constraints = new SearchControls();
constraints.setSearchScope(SearchControls.SUBTREE_SCOPE);
//performs the actual search
//We give it a searchbase, a filter and the contraints containing the scope
//of the search
NamingEnumeration results = ctx.search(MY_SEARCHBASE,MY_FILTER_Final,constraints);
//now stop through the search results
while(results==null)
{
System.out.println("**************************************"+line+"$$$$$does not exit in USerlist");
}
while(results != null && results.hasMore()){
SearchResult sr = (SearchResult)results.next();
String dn = sr.getName();
String state = dn.substring(dn.indexOf("cn=")+3);
System.out.println(line+" Belongs to Group="+state);
Attributes attrs = sr.getAttributes();
NamingEnumeration ne = attrs.getAll();
//System.out.println("\n");
}
}
}catch(Exception ex){
ex.printStackTrace();
System.exit(1);
}
}
}
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.