mirror of
https://github.com/valitydev/wazuh-kibana-app.git
synced 2024-11-07 10:18:57 +00:00
598 lines
30 KiB
JavaScript
598 lines
30 KiB
JavaScript
const needle = require('needle');
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const colors = require('ansicolors');
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const blueWazuh = colors.blue('wazuh');
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const fs = require('fs');
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const yml = require('js-yaml');
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const path = require('path');
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const { log } = require('./logger');
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const KIBANA_TEMPLATE = './integration-files/kibana-template';
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const knownFields = require('./integration-files/known-fields')
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const ElasticWrapper = require('./lib/elastic-wrapper');
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module.exports = (server, options) => {
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log('initialize.js', 'Initializing', 'info');
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// Elastic JS Client
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const wzWrapper = new ElasticWrapper(server);
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let objects = {};
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let app_objects = {};
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let kibana_template = {};
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let packageJSON = {};
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let configurationFile = {};
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let pattern = null;
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let forceDefaultPattern = true;
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// Read config from package.json and config.yml
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try {
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configurationFile = yml.load(fs.readFileSync(path.join(__dirname, '../config.yml'), { encoding: 'utf-8' }));
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global.loginEnabled = (configurationFile && typeof configurationFile['login.enabled'] !== 'undefined') ? configurationFile['login.enabled'] : false;
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pattern = (configurationFile && typeof configurationFile.pattern !== 'undefined') ? configurationFile.pattern : 'wazuh-alerts-3.x-*';
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forceDefaultPattern = (configurationFile && typeof configurationFile['force.default'] !== 'undefined') ? configurationFile['force.default'] : true;
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packageJSON = require('../package.json');
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} catch (e) {
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log('initialize.js', e.message || e);
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server.log([blueWazuh, 'initialize', 'error'], 'Something went wrong while reading the configuration.' + e.message);
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}
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if (typeof global.sessions === 'undefined') {
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global.sessions = {};
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}
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global.protectedRoute = req => {
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if (!loginEnabled) return true;
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const session = (req.headers && req.headers.code) ? sessions[req.headers.code] : null;
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if (!session) return false;
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const timeElapsed = (new Date() - session.created) / 1000;
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if (timeElapsed >= session.exp) {
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delete sessions[req.payload.code];
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return false;
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}
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return true;
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}
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const defaultIndexPattern = pattern || "wazuh-alerts-3.x-*";
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/**
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* Refresh known fields for all valid index patterns.
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* Optionally forces the wazuh-alerts-3.x-* creation.
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*/
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const checkKnownFields = async () => {
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try {
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const xpack = await wzWrapper.getPlugins();
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log('initialize.js checkKnownFields', `x-pack enabled: ${typeof xpack === 'string' && xpack.includes('x-pack') ? 'yes' : 'no'}`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `x-pack enabled: ${typeof xpack === 'string' && xpack.includes('x-pack') ? 'yes' : 'no'}`);
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const indexPatternList = await wzWrapper.getAllIndexPatterns();
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log('initialize.js checkKnownFields', `Found ${indexPatternList.hits.total} index patterns`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `Found ${indexPatternList.hits.total} index patterns`);
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let list = [];
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if(indexPatternList && indexPatternList.hits && indexPatternList.hits.hits){
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const minimum = ["@timestamp", "full_log", "manager.name", "agent.id"];
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if(indexPatternList.hits.hits.length > 0) {
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for(const index of indexPatternList.hits.hits){
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let valid, parsed;
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try{
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parsed = JSON.parse(index._source['index-pattern'].fields)
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} catch (error){
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continue;
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}
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valid = parsed.filter(item => minimum.includes(item.name));
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if(valid.length === 4){
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list.push({
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id : index._id.split('index-pattern:')[1],
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title: index._source['index-pattern'].title
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})
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}
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}
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}
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}
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log('initialize.js checkKnownFields', `Found ${list.length} valid index patterns for Wazuh alerts`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `Found ${list.length} valid index patterns for Wazuh alerts`);
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const defaultExists = list.filter(item => item.title === defaultIndexPattern);
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if(defaultExists.length === 0 && forceDefaultPattern){
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log('initialize.js checkKnownFields', `Default index pattern not found, creating it...`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `Default index pattern not found, creating it...`);
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await createIndexPattern();
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log('initialize.js checkKnownFields', 'Waiting for default index pattern creation to complete...','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Waiting for default index pattern creation to complete...');
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let waitTill = new Date(new Date().getTime() + 0.5 * 1000);
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let tmplist = null;
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while(waitTill > new Date()){
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tmplist = await wzWrapper.searchIndexPatternById(defaultIndexPattern);
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if(tmplist.hits.total >= 1) break;
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else waitTill = new Date(new Date().getTime() + 0.5 * 1000);
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}
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server.log([blueWazuh, 'initialize', 'info'], 'Index pattern created...');
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list.push({
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id : tmplist.hits.hits[0]._id.split('index-pattern:')[1],
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title: tmplist.hits.hits[0]._source['index-pattern'].title
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})
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} else {
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log('initialize.js checkKnownFields', `Default index pattern found`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `Default index pattern found`);
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}
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for(const item of list){
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log('initialize.js checkKnownFields', `Refreshing known fields for "index-pattern:${item.title}"`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `Refreshing known fields for "index-pattern:${item.title}"`);
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await wzWrapper.updateIndexPatternKnownFields('index-pattern:' + item.id);
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}
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log('initialize.js checkKnownFields', 'App ready to be used.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'App ready to be used.');
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return;
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} catch (error){
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log('initialize.js checkKnownFields', error.message || error);
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server.log([blueWazuh, 'server', 'error'], 'Error importing objects into elasticsearch.' + error.message || error);
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}
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};
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// Creates the default index pattern
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const createIndexPattern = async () => {
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try {
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log('initialize.js createIndexPattern', `Creating index pattern: ${defaultIndexPattern}`,'info')
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server.log([blueWazuh, 'initialize', 'info'], `Creating index pattern: ${defaultIndexPattern}`);
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await wzWrapper.createIndexPattern(defaultIndexPattern);
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log('initialize.js createIndexPattern', `Created index pattern: ${defaultIndexPattern}`,'info')
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server.log([blueWazuh, 'initialize', 'info'], 'Created index pattern: ' + defaultIndexPattern);
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} catch (error){
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log('initialize.js createIndexPattern', error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Error creating index-pattern.');
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}
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};
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// Save Wazuh App setup
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const saveConfiguration = async () => {
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try{
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const shards = configurationFile && typeof configurationFile["wazuh-version.shards"] !== 'undefined' ?
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configurationFile["wazuh-version.shards"] :
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1;
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const replicas = configurationFile && typeof configurationFile["wazuh-version.replicas"] !== 'undefined' ?
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configurationFile["wazuh-version.replicas"] :
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1;
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const shard_configuration = {
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settings: {
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index: {
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number_of_shards : shards,
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number_of_replicas: replicas
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}
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}
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};
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await wzWrapper.createWazuhVersionIndex(shard_configuration);
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const commonDate = new Date().toISOString();
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const configuration = {
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name : 'Wazuh App',
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'app-version' : packageJSON.version,
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revision : packageJSON.revision,
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installationDate: commonDate,
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lastRestart : commonDate
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};
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try{
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await wzWrapper.insertWazuhVersionConfiguration(configuration);
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log('initialize.js saveConfiguration', 'Wazuh configuration inserted','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Wazuh configuration inserted');
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} catch (error){
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log('initialize.js saveConfiguration', error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Could not insert Wazuh configuration');
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}
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return;
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} catch (error){
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log('initialize.js saveConfiguration', error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Error creating index .wazuh-version.');
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}
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};
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const checkWazuhIndex = async () => {
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try{
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log('initialize.js init', 'Checking .wazuh index.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Checking .wazuh index.');
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const result = await wzWrapper.checkIfIndexExists('.wazuh');
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if (!result) {
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const shards = configurationFile && typeof configurationFile["wazuh.shards"] !== 'undefined' ?
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configurationFile["wazuh.shards"] :
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1;
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const replicas = configurationFile && typeof configurationFile["wazuh.replicas"] !== 'undefined' ?
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configurationFile["wazuh.replicas"] :
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1;
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let configuration = {
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"settings": {
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"index": {
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"number_of_shards": shards,
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"number_of_replicas": replicas
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}
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}
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};
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try{
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await wzWrapper.createWazuhIndex(configuration);
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log('initialize.js init', 'Index .wazuh created.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Index .wazuh created.');
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} catch(error) {
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throw new Error('Error creating index .wazuh.');
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}
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} else { // The .wazuh index exists, we now proceed to check whether it's from an older version
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try{
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await wzWrapper.getOldWazuhSetup();
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// Reindex!
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return reindexOldVersion();
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} catch(error) {
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if (error.message && error.message !== 'Not Found') {
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throw new Error(error.message || error);
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}
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server.log([blueWazuh, 'initialize', 'info'], 'No older .wazuh index found -> no need to reindex.');
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}
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}
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} catch (error) {
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return Promise.reject(error);
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}
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}
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const checkWazuhVersionIndex = async () => {
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try {
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log('initialize.js init', 'Checking .wazuh-version index.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Checking .wazuh-version index.');
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try{
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await wzWrapper.getWazuhVersionIndex();
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} catch (error) {
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log('initialize.js init 6', error.message || error);
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server.log([blueWazuh, 'initialize', 'info'], '.wazuh-version document does not exist. Initializating configuration...');
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// Save Setup Info
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await saveConfiguration(defaultIndexPattern);
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}
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server.log([blueWazuh, 'initialize', 'info'], '.wazuh-version document already exists. Updating version information...');
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await wzWrapper.updateWazuhVersionIndexLastRestart(packageJSON.version,packageJSON.revision);
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server.log([blueWazuh, 'initialize', 'info'], 'Successfully updated .wazuh-version index');
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} catch (error) {
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return Promise.reject(error);
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}
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}
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// Init function. Check for "wazuh-version" document existance.
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const init = async () => {
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try {
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await Promise.all([
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checkWazuhIndex(),
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checkWazuhVersionIndex(),
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checkKnownFields()
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]);
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} catch (error){
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log('initialize.js init()', error.message || error);
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server.log([blueWazuh, 'initialize.js init()', 'error'], error.message || error);
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return Promise.reject(error)
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}
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};
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const createKibanaTemplate = () => {
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log('initialize.js createKibanaTemplate', 'Creating template for .kibana.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Creating template for .kibana.');
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try {
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kibana_template = require(KIBANA_TEMPLATE);
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} catch (error) {
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log('initialize.js init 6', error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Could not read the .kibana template file.');
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server.log([blueWazuh, 'initialize', 'error'], 'Path: ' + KIBANA_TEMPLATE);
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server.log([blueWazuh, 'initialize', 'error'], 'Exception: ' + error);
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}
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return wzWrapper.putWazuhKibanaTemplate(kibana_template);
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};
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// Does .kibana index exist?
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const checkKibanaStatus = () => {
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wzWrapper.checkIfIndexExists('.kibana')
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.then(data => {
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if (data) { // It exists, initialize!
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init();
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}
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else { // No .kibana index created...
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log('initialize.js checkKibanaStatus', 'Didn\'t find .kibana index...','info')
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server.log([blueWazuh, 'initialize', 'info'], "Didn't find .kibana index...");
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wzWrapper.getTemplateByName('wazuh-kibana')
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.then(data => {
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log('initialize.js checkKibanaStatus', 'No need to create the .kibana template, already exists.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'No need to create the .kibana template, already exists.');
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wzWrapper.createEmptyKibanaIndex()
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.then(data => {
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log('initialize.js checkKibanaStatus', 'Successfully created .kibana index.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Successfully created .kibana index.');
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init();
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})
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.catch(error => {
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log('initialize.js checkKibanaStatus',error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Error creating .kibana index due to ' + error);
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});
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})
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.catch(error => {
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log('initialize.js checkKibanaStatus',
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error.message || error
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);
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createKibanaTemplate()
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.then(data => {
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log('initialize.js checkKibanaStatus', 'Successfully created .kibana template.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Successfully created .kibana template.');
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wzWrapper.createEmptyKibanaIndex()
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.then(data => {
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log('initialize.js checkKibanaStatus', 'Successfully created .kibana index.','info')
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server.log([blueWazuh, 'initialize', 'info'], 'Successfully created .kibana index.');
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init();
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})
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.catch(error => {
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log('initialize.js checkKibanaStatus',error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Error creating .kibana index due to ' + error);
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});
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}).catch(error => {
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log('initialize.js checkKibanaStatus',error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Error creating template for .kibana due to ' + error);
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});
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});
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}
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})
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.catch(error => {
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log('initialize.js checkKibanaStatus',error.message || error);
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server.log([blueWazuh, 'initialize', 'error'], 'Could not check .kibana index due to ' + error);
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});
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};
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// Wait until Elasticsearch js is ready
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const checkStatus = async () => {
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try{
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await server.plugins.elasticsearch.waitUntilReady();
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return checkKibanaStatus();
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} catch (error){
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log('initialize.js checkStatus',error.message || error);
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server.log([blueWazuh, 'initialize', 'info'], 'Waiting for elasticsearch plugin to be ready...');
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setTimeout(() => checkStatus(), 3000);
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}
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};
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const reachAPI = (wapi_config) => {
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// Now, let's see whether they have a 2.x or 3.x version
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let id = wapi_config._id;
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wapi_config = wapi_config._source;
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log('initialize.js reachAPI', 'Reaching ' + wapi_config.manager,'info')
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server.log([blueWazuh, 'reindex', 'info'], 'Reaching ' + wapi_config.manager);
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let decoded_password = Buffer.from(wapi_config.api_password, 'base64').toString("ascii");
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if (wapi_config.cluster_info === undefined) { // No cluster_info in the API configuration data -> 2.x version
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needle('get', `${wapi_config.url}:${wapi_config.api_port}/version`, {}, {
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username: wapi_config.api_user,
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password: decoded_password,
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rejectUnauthorized: !wapi_config.insecure
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})
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.then(response => {
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log('initialize.js reachAPI', 'API is reachable ' + wapi_config.manager,'info')
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server.log([blueWazuh, 'reindex', 'info'], 'API is reachable ' + wapi_config.manager);
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if (parseInt(response.body.error) === 0 && response.body.data) {
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needle('get', `${wapi_config.url}:${wapi_config.api_port}/cluster/status`, {}, { // Checking the cluster status
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username: wapi_config.api_user,
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password: decoded_password,
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rejectUnauthorized: !wapi_config.insecure
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})
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.then((response) => {
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if (!response.body.error) {
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if (response.body.data.enabled === 'yes') { // If cluster mode is active
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needle('get', `${wapi_config.url}:${wapi_config.api_port}/cluster/node`, {}, {
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username: wapi_config.api_user,
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password: decoded_password,
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rejectUnauthorized: !wapi_config.insecure
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})
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.then((response) => {
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if (!response.body.error) {
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wapi_config.cluster_info = {};
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wapi_config.cluster_info.status = 'enabled';
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wapi_config.cluster_info.manager = wapi_config.manager;
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wapi_config.cluster_info.node = response.body.data.node;
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wapi_config.cluster_info.cluster = response.body.data.cluster;
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} else if (response.body.error) {
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log('initialize.js reachAPI', response.body.error || response.body);
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server.log([blueWazuh, 'reindex', 'error'], 'Could not get cluster/node information for ', wapi_config.manager);
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}
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});
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}
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else { // Cluster mode is not active
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wapi_config.cluster_info = {};
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wapi_config.cluster_info.status = 'disabled';
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wapi_config.cluster_info.cluster = 'Disabled';
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wapi_config.cluster_info.manager = wapi_config.manager;
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}
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// We filled data for the API, let's insert it now
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wzWrapper.updateWazuhIndexDocument(id,{
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'doc': {
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"api_user" : wapi_config.api_user,
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"api_password": wapi_config.api_password,
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"url" : wapi_config.url,
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"api_port" : wapi_config.api_port,
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"manager" : wapi_config.manager,
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"cluster_info": {
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"manager": wapi_config.manager,
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"node" : wapi_config.cluster_info.node,
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"cluster": wapi_config.cluster_info.cluster,
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"status" : wapi_config.cluster_info.status
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},
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}
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})
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.then(resp => {
|
|
log('initialize.js reachAPI', 'Successfully updated proper cluster information for ' + wapi_config.manager,'info')
|
|
server.log([blueWazuh, 'reindex', 'info'], 'Successfully updated proper cluster information for ' + wapi_config.manager);
|
|
})
|
|
.catch(error => {
|
|
log('initialize.js reachAPI', error.message || error);
|
|
server.log([blueWazuh, 'reindex', 'error'], 'Could not update proper cluster information for ' + wapi_config.manager + 'due to ' + err);
|
|
});
|
|
} else {
|
|
log('initialize.js reachAPI', 'Could not get cluster/status information for ' + wapi_config.manager)
|
|
server.log([blueWazuh, 'reindex', 'error'], 'Could not get cluster/status information for ' + wapi_config.manager);
|
|
}
|
|
});
|
|
} else {
|
|
log('initialize.js reachAPI', 'The API responded with some kind of error for ' + wapi_config.manager)
|
|
server.log([blueWazuh, 'reindex', 'error'], 'The API responded with some kind of error for ' + wapi_config.manager);
|
|
}
|
|
})
|
|
.catch(error => {
|
|
log('initialize.js reachAPI', error.message || error);
|
|
server.log([blueWazuh, 'reindex', 'info'], 'API is NOT reachable ' + wapi_config.manager);
|
|
// We weren't able to reach the API, reorganize data and fill with sample node and cluster name information
|
|
wzWrapper.updateWazuhIndexDocument(id, {
|
|
'doc': {
|
|
"api_user": wapi_config.api_user,
|
|
"api_password": wapi_config.api_password,
|
|
"url": wapi_config.url,
|
|
"api_port": wapi_config.api_port,
|
|
"manager": wapi_config.manager,
|
|
"cluster_info": {
|
|
"manager": wapi_config.manager,
|
|
"node": "nodata",
|
|
"cluster": "nodata",
|
|
"status": "disabled"
|
|
},
|
|
}
|
|
})
|
|
.then(resp => {
|
|
log('initialize.js reachAPI', 'Successfully updated sample cluster information for ' + wapi_config.manager,'info')
|
|
server.log([blueWazuh, 'reindex', 'info'], 'Successfully updated sample cluster information for ' + wapi_config.manager);
|
|
})
|
|
.catch(error => {
|
|
log('initialize.js reachAPI', error.message || error);
|
|
server.log([blueWazuh, 'reindex', 'error'], 'Could not update sample cluster information for ' + wapi_config.manager + 'due to ' + err);
|
|
});
|
|
});
|
|
} else { // 3.x version
|
|
// Nothing to be done, cluster_info is present
|
|
log('initialize.js reachAPI', 'Nothing to be done for ' + wapi_config.manager + ' as it is already a 3.x version.' + wapi_config.manager,'info')
|
|
server.log([blueWazuh, 'reindex', 'info'], 'Nothing to be done for ' + wapi_config.manager + ' as it is already a 3.x version.');
|
|
}
|
|
};
|
|
|
|
// Reindex a .wazuh index from 2.x-5.x or 3.x-5.x to .wazuh and .wazuh-version in 3.x-6.x
|
|
const reindexOldVersion = async () => {
|
|
try {
|
|
log('initialize.js reindexOldVersion', `Old version detected. Proceeding to reindex.`,'info')
|
|
server.log([blueWazuh, 'reindex', 'info'], `Old version detected. Proceeding to reindex.`);
|
|
|
|
const configuration = {
|
|
source: {
|
|
index: '.wazuh',
|
|
type : 'wazuh-configuration'
|
|
},
|
|
dest: {
|
|
index: '.old-wazuh'
|
|
}
|
|
};
|
|
|
|
// Backing up .wazuh index
|
|
await wzWrapper.reindexWithCustomConfiguration(configuration);
|
|
|
|
log('initialize.js reindexOldVersion', 'Successfully backed up .wazuh index','info')
|
|
// And...this response does not take into acount new index population so...let's wait for it
|
|
server.log([blueWazuh, 'reindex', 'info'], 'Successfully backed up .wazuh index');
|
|
setTimeout(() => swapIndex(), 3000);
|
|
|
|
} catch(error) {
|
|
log('initialize.js reindexOldVersion', error.message || error);
|
|
server.log([blueWazuh, 'reindex', 'error'], 'Could not begin the reindex process: ' + error.message || error);
|
|
}
|
|
};
|
|
|
|
const swapIndex = async () => {
|
|
try {
|
|
// Deleting old .wazuh index
|
|
log('initialize.js swapIndex', 'Deleting old .wazuh index','info');
|
|
server.log([blueWazuh, 'reindex', 'info'], 'Deleting old .wazuh index.');
|
|
|
|
await wzWrapper.deleteIndexByName('.wazuh');
|
|
|
|
const configuration = {
|
|
"source": {
|
|
"index": ".old-wazuh",
|
|
"type": "wazuh-configuration"
|
|
},
|
|
"dest": {
|
|
"index": ".wazuh"
|
|
},
|
|
"script": {
|
|
"source": "ctx._id = new Date().getTime()",
|
|
"lang": "painless"
|
|
}
|
|
};
|
|
|
|
log('initialize.js swapIndex', 'Reindexing into the new .wazuh','info');
|
|
server.log([blueWazuh, 'reindex', 'info'], 'Reindexing into the new .wazuh');
|
|
// Reindexing from .old-wazuh where the type of document is wazuh-configuration into the new index .wazuh
|
|
await wzWrapper.reindexWithCustomConfiguration(configuration);
|
|
|
|
// Now we need to properly replace the cluster_info into the configuration -> improvement: pagination?
|
|
// And...this response does not take into acount new index population so...let's wait for it
|
|
setTimeout(() => reachAPIs(), 3000);
|
|
|
|
} catch(error) {
|
|
log('initialize.js swapIndex', error.message || error);
|
|
server.log([blueWazuh, 'reindex', 'error'], 'Could not reindex the new .wazuh: ' + error.message || error);
|
|
}
|
|
};
|
|
|
|
const reachAPIs = async () => {
|
|
try{
|
|
const data = await wzWrapper.searchIndexByName('.wazuh');
|
|
|
|
for (let item of data.hits.hits) {
|
|
reachAPI(item);
|
|
}
|
|
} catch(error){
|
|
log('initialize.js reachAPIs', error.message || error);
|
|
server.log([blueWazuh, 'reindex', 'error'], 'Something happened while getting old API configuration data: ' + error.message || error);
|
|
}
|
|
};
|
|
|
|
// Check Kibana index and if it is prepared, start the initialization of Wazuh App.
|
|
checkStatus();
|
|
|
|
};
|