Introduction to LDAP query under node.js

This article mainly introduces the relevant information for sharing LDAP query examples under node.js. Friends who need it can refer to

Objective:

Get uid=kxh from an LDAP Server User data

The LDAP address is: ldap://10.233.21.116:389

In the project root directory, first npm an LDAP access library ldpajs

npm install ldapjs

In the project root directory, create an app.js

var ldap = require("ldapjs");

//创建LDAP client，把服务器url传入
var client = ldap.createClient({
 url: 'ldap://10.203.24.216:389'
});

//创建LDAP查询选项
//filter的作用就是相当于SQL的条件
var opts = {
 filter: '(uid=kxh)', //查询条件过滤器，查找uid=kxh的用户节点
 scope: 'sub',    //查询范围
 timeLimit: 500    //查询超时
};

//将client绑定LDAP Server
//第一个参数：是用户，必须是从根节点到用户节点的全路径
//第二个参数：用户密码
client.bind('uid=supbind,cn=users,dc=tiger,dc=com', '123456', function (err, res1) {

  //开始查询
  //第一个参数：查询基础路径，代表在查询用户信心将在这个路径下进行，这个路径是由根节开始
  //第二个参数：查询选项
  client.search('DC=tiger,DC=com', opts, function (err, res2) {

    //查询结果事件响应
    res2.on('searchEntry', function (entry) {
      
      //获取查询的对象
      var user = entry.object;
      var userText = JSON.stringify(user,null,2);
      console.log(userText);
      
    });
    
    res2.on('searchReference', function(referral) {
      console.log('referral: ' + referral.uris.join());
    });  
    
    //查询错误事件
    res2.on('error', function(err) {
      console.error('error: ' + err.message);
      //unbind操作，必须要做
      client.unbind();
    });
    
    //查询结束
    res2.on('end', function(result) {
      console.log('search status: ' + result.status);
      //unbind操作，必须要做
      client.unbind();
    });    
    
  });
  
});

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