
Research
Malicious fezbox npm Package Steals Browser Passwords from Cookies via Innovative QR Code Steganographic Technique
A malicious package uses a QR code as steganography in an innovative technique.
A Curator-esque ZooKeeper framework for Node.js.
npm install zoologist --save
'use strict';
var Zoologist = require('zoologist').Zoologist;
var ServiceInstanceBuilder = require('zoologist').ServiceInstanceBuilder;
var ServiceDiscoveryBuilder = require('zoologist').ServiceDiscoveryBuilder;
// Client
var zoologistClient = Zoologist.newClient('127.0.0.1:2181');
// Start the client (connect to ZooKeeper)
zoologistClient.start();
// Service Instance
var serviceInstance = ServiceInstanceBuilder
.builder()
.address('127.0.0.1')
.port(process.env.PORT)
.name('my/service/name/v1')
.build();
// Service Discovery
var serviceDiscovery = ServiceDiscoveryBuilder
.builder()
.client(zoologistClient)
.thisInstance(serviceInstance)
.basePath('services')
.build();
// Register a Service
serviceDiscovery.registerService(function onRegister(err, data) {
console.log({
id: data.id,
name: data.name,
address: data.address,
port: data.port
});
});
'use strict';
var Zoologist = require('zoologist').Zoologist;
var ServiceInstanceBuilder = require('zoologist').ServiceInstanceBuilder;
var ServiceDiscoveryBuilder = require('zoologist').ServiceDiscoveryBuilder;
// Client
var zoologistClient = Zoologist.newClient('127.0.0.1:2181');
// Start the client (connect to ZooKeeper)
zoologistClient.start();
// Service Instance
var serviceInstance = ServiceInstanceBuilder
.builder()
.address('127.0.0.1')
.port(process.env.PORT)
.name('my/service/name/v1')
.build();
// Service Discovery
var serviceDiscovery = ServiceDiscoveryBuilder
.builder()
.client(zoologistClient)
.thisInstance(serviceInstance)
.basePath('services')
.build();
// Service Provider (providerStrategy: 'RoundRobin' or 'Random')
var serviceProvider = serviceDiscovery.serviceProviderBuilder()
.serviceName('my/service/name/v1')
.providerStrategy('RoundRobin')
.build();
// Discover available Services and provide an instance
serviceProvider.getInstance(function onInstanceReturn(err, data) {
console.log({
id: data.id,
name: data.name,
address: data.address,
port: data.port,
serviceUrl: serviceUrl
});
});
'use strict';
var Zoologist = require('..').Zoologist;
var LeaderElection = require('..').LeaderElection;
var client = Zoologist.newClient('127.0.0.1:2181');
client.start();
var election = new LeaderElection(client, '/my/path', 'my-id');
election.on('groupLeader', function () {
console.log('I am the leader, watch me lead!');
});
election.on('myLeader', function (myLeader) {
console.log('My leader is', myLeader);
});
election.on('myFollower', function (myFollower) {
console.log('My follower is', myFollower);
});
election.on('topologyChange', function (data) {
console.log('Topology Change: ' + data);
});
election.on('error', function (err) {
console.log('Error: ' + err);
// Restart election listener.
election.start(function(err){
console.log("Election restarting!");
});
});
setInterval(function () {
console.log(election.hasLeadership());
}, 5000);
setInterval(function () {
election.withdraw(function(err){
console.log("Withdrawing Election!");
});
}, 10000);
FAQs
A Curator-esque framework for ZooKeeper
The npm package zoologist receives a total of 7 weekly downloads. As such, zoologist popularity was classified as not popular.
We found that zoologist demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Research
A malicious package uses a QR code as steganography in an innovative technique.
Research
/Security News
Socket identified 80 fake candidates targeting engineering roles, including suspected North Korean operators, exposing the new reality of hiring as a security function.
Application Security
/Research
/Security News
Socket detected multiple compromised CrowdStrike npm packages, continuing the "Shai-Hulud" supply chain attack that has now impacted nearly 500 packages.