(Java)讀取Active Directory資訊

//來源: https://www.cnblogs.com/qlong8807/archive/2012/10/26/2741563.html

package ldap.a;


import java.util.Hashtable;

import javax.naming.Context;
import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext;
import javax.naming.ldap.LdapContext;

public class LdapReadInfo {
public static void main(String args[]) {
Hashtable HashEnv = new Hashtable();

String LDAP_URL = "ldap://192.168.10.56:389"; // LDAP訪問位址，389是傳輸不加密；加密的LDAPS port是 636
String adminName = "domainName\\administrator"; //注意用戶名的寫法：domain\User 或// User@domain.com
String adminPassword = mypassword"; // 密碼

HashEnv.put(Context.SECURITY_AUTHENTICATION, "simple"); // LDAP訪問安全級別
HashEnv.put(Context.SECURITY_PRINCIPAL, adminName); // AD User
HashEnv.put(Context.SECURITY_CREDENTIALS, adminPassword); // AD Password
HashEnv.put(Context.INITIAL_CONTEXT_FACTORY,
"com.sun.jndi.ldap.LdapCtxFactory"); // LDAP工廠類
HashEnv.put(Context.PROVIDER_URL, LDAP_URL);

try {
LdapContext ctx = new InitialLdapContext(HashEnv, null);
SearchControls searchCtls = new SearchControls(); // Create the
// search
// controls
searchCtls.setSearchScope(SearchControls.SUBTREE_SCOPE); // Specify
// the
// search
// scope

String searchFilter = "objectClass=user"; // specify the LDAP search
// filter  ，這裡也可以設置為：objectClass=computer";

String searchBase = "DC=jasgroup,DC=com"; // Specify the Base for
// the search//搜索域節點
int totalResults = 0;
int totalAnswer = 0;

String returnedAtts[] = { "url", "whenChanged", "employeeID",
"name", "userPrincipalName", "physicalDeliveryOfficeName",
"departmentNumber", "telephoneNumber", "homePhone",
"mobile", "department", "sAMAccountName", "mail" }; // 定制返回屬性，有些不一定您公司的Active Directory有這些屬性，請自行調整

searchCtls.setReturningAttributes(returnedAtts); // 設置返回屬性集,這裡如果設為null，那麼就是返回所有的屬性。

// Search for objects using the filter
NamingEnumeration answer = ctx.search(searchBase, searchFilter,
searchCtls);

if (answer == null || answer.equals(null)) {
System.out.println("answer is null");
} else {
System.out.println("answer not null");
}

while (answer.hasMoreElements()) {
SearchResult sr = (SearchResult) answer.next();
System.out.println("************************************************");
totalAnswer++;
System.out.println(sr.getName());

Attributes Attrs = sr.getAttributes();
if (Attrs != null) {
try {
for (NamingEnumeration ne = Attrs.getAll(); ne.hasMore();) {
Attribute Attr = (Attribute) ne.next();

System.out.println(" AttrName="+ Attr.getID().toString());
int i =0;
// 讀取屬性值
for (NamingEnumeration e = Attr.getAll(); e.hasMore(); totalResults++,i++) {
System.out.println(" AttrValue["+i+"]="+ e.next().toString());
}
System.out.println(" ---------------");

// 讀取屬性值
// Enumeration values = Attr.getAll();
// if (values != null) { // 反覆運算
// while (values.hasMoreElements()) {
// System.out.println(" AttributeValues="+ values.nextElement());
// }
// }
// System.out.println(" ---------------");
}
} catch (NamingException e) {
System.err.println("Throw Exception : " + e);
}
}
}
System.out.println("Number: " + totalResults);
System.out.println("totalAnswer:"+totalAnswer);
ctx.close();
}

catch (NamingException e) {
e.printStackTrace();
System.err.println("Throw Exception : " + e);
}
}
}