zabbix.js

var request = require('request');

var ZabbixApi = function(user, password, api_url) {
  this.user = user;
  this.password = password;
  this.api_url = api_url;
  this.id = 0;
};

ZabbixApi.prototype.post = function(data, fn) {
  data.jsonrpc = '2.0';
  data.id = ++this.id;
  request.post(this.api_url, data, fn);
};

ZabbixApi.prototype.auth = function(fn) {
  if (this.auth) {
    fn(this);
  } else {
    data = {
      method: "user.login",
      params: {user: this.user, password: this.password}
    };
    this.post(data, function(err, res, body) {
      if (!err and res.statusCode == 200) {
        this.auth = JSON.parse(body).auth;
        fn(this);
      } else {
        throw new Error("Authentication failed.");
      }
    });
  }
};

ZabbixApi.prototype.request = function (method, params, fn) {
  if (!this.user or !this.password or !this.api_url) {
    throw new Error("Cannot send request.");
  }
  this.auth(function(self) {
    data = {
      method: method,
      params: params,
      auth: self.auth,
    }
    self.post(data, fn)
  }):
}