LDAP用户分页读取

This commit is contained in:
xxx 2023-12-26 14:57:15 +08:00
parent ff9e212366
commit 8d03678e71
2 changed files with 71 additions and 40 deletions

View File

@ -33,6 +33,7 @@ import xyz.playedu.common.util.ldap.LdapTransformDepartment;
import xyz.playedu.common.util.ldap.LdapTransformUser; import xyz.playedu.common.util.ldap.LdapTransformUser;
import xyz.playedu.common.util.ldap.LdapUtil; import xyz.playedu.common.util.ldap.LdapUtil;
import java.io.IOException;
import java.util.HashMap; import java.util.HashMap;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
@ -162,7 +163,7 @@ public class LDAPBus {
} }
} }
public void userSync() throws NamingException { public void userSync() throws NamingException, IOException {
LdapConfig ldapConfig = appConfigService.ldapConfig(); LdapConfig ldapConfig = appConfigService.ldapConfig();
List<LdapTransformUser> userList = List<LdapTransformUser> userList =

View File

@ -20,6 +20,7 @@ import lombok.extern.slf4j.Slf4j;
import xyz.playedu.common.exception.ServiceException; import xyz.playedu.common.exception.ServiceException;
import xyz.playedu.common.util.StringUtil; import xyz.playedu.common.util.StringUtil;
import java.io.IOException;
import java.util.*; import java.util.*;
import javax.naming.Context; import javax.naming.Context;
@ -29,8 +30,7 @@ import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes; import javax.naming.directory.Attributes;
import javax.naming.directory.SearchControls; import javax.naming.directory.SearchControls;
import javax.naming.directory.SearchResult; import javax.naming.directory.SearchResult;
import javax.naming.ldap.InitialLdapContext; import javax.naming.ldap.*;
import javax.naming.ldap.LdapContext;
@Slf4j @Slf4j
public class LdapUtil { public class LdapUtil {
@ -75,39 +75,69 @@ public class LdapUtil {
} }
public static List<LdapTransformUser> users( public static List<LdapTransformUser> users(
String url, String adminUser, String adminPass, String baseDN) throws NamingException { String url, String adminUser, String adminPass, String baseDN) throws NamingException, IOException {
LdapContext ldapContext = initContext(url, adminUser, adminPass); LdapContext ldapContext = initContext(url, adminUser, adminPass);
int pageSize = 1000;
List<LdapTransformUser> users = new ArrayList<>();
SearchControls controls = new SearchControls(); SearchControls controls = new SearchControls();
controls.setSearchScope(SearchControls.SUBTREE_SCOPE); controls.setSearchScope(SearchControls.SUBTREE_SCOPE);
controls.setReturningAttributes(USER_RETURN_ATTRS); controls.setReturningAttributes(USER_RETURN_ATTRS);
controls.setReturningObjFlag(true); controls.setReturningObjFlag(true);
NamingEnumeration<SearchResult> result = null; byte[] cookie = null;
while (true) {
try { try {
result = ldapContext.search(baseDN, USER_OBJECT_CLASS, controls); if (cookie != null) {
} catch (NamingException e) { ldapContext.setRequestControls(new Control[]{
log.error("LDAP用户查询失败", e); new PagedResultsControl(pageSize, cookie, false),
} finally { });
closeContext(ldapContext); } else {
ldapContext.setRequestControls(new Control[]{
new PagedResultsControl(pageSize, false)
});
} }
if (result == null || !result.hasMoreElements()) { NamingEnumeration<SearchResult> result = ldapContext.search(baseDN, USER_OBJECT_CLASS, controls);
while (result.hasMoreElements()) {
SearchResult item = result.nextElement();
if (item != null) {
LdapTransformUser ldapTransformUser = parseTransformUser(item, baseDN);
users.add(ldapTransformUser);
}
}
cookie = parseCookie(ldapContext.getResponseControls());
if (cookie == null || cookie.length == 0) {
break;
}
} catch (NamingException e) {
log.error("LDAP用户查询失败", e);
break;
}
}
closeContext(ldapContext);
if (users.isEmpty()) {
log.info("LDAP服务中没有用户"); log.info("LDAP服务中没有用户");
return null; return null;
} }
List<LdapTransformUser> users = new ArrayList<>(); return users;
while (result.hasMoreElements()) {
SearchResult item = result.nextElement();
if (item == null) {
continue;
}
LdapTransformUser ldapTransformUser = parseTransformUser(item, baseDN);
users.add(ldapTransformUser);
} }
return users; private static byte[] parseCookie(Control[] controls) throws NamingException {
if (controls != null) {
for (Control control : controls) {
if (control instanceof PagedResultsResponseControl) {
return ((PagedResultsResponseControl) control).getCookie();
}
}
}
return null;
} }
public static List<LdapTransformDepartment> departments( public static List<LdapTransformDepartment> departments(