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Data Theft Repackaged: A Case Study in Malicious Wrapper Packages on npm
The Socket Research Team breaks down a malicious wrapper package that uses obfuscation to harvest credentials and exfiltrate sensitive data.
wrangler
Advanced tools
The wrangler npm package is a command-line tool for building, deploying, and managing Cloudflare Workers projects. It simplifies the process of working with Cloudflare's serverless platform, allowing developers to focus on writing code rather than managing infrastructure.
Creating a new Cloudflare Workers project
This command initializes a new Cloudflare Workers project in a directory named 'my-worker'. It sets up the necessary configuration files and project structure.
npx wrangler generate my-worker
Publishing a Cloudflare Worker
This command deploys your Cloudflare Worker to the Cloudflare network. It reads the configuration from the wrangler.toml file and uploads your code to Cloudflare.
npx wrangler publish
Previewing a Cloudflare Worker
This command allows you to preview your Cloudflare Worker in a browser before deploying it. It provides a temporary URL where you can test your worker.
npx wrangler preview
Managing environment variables
This command allows you to securely store environment variables for your Cloudflare Worker. You will be prompted to enter the value for the secret, which will then be encrypted and stored.
npx wrangler secret put MY_SECRET
The Serverless Framework is a popular open-source framework for building and deploying serverless applications across various cloud providers, including AWS, Azure, and Google Cloud. It offers a broader range of integrations and features compared to wrangler, which is specific to Cloudflare Workers.
Architect (or @architect) is an open-source framework for building and deploying serverless applications on AWS. It provides a simple and declarative way to define serverless infrastructure and focuses on developer productivity. Unlike wrangler, which is Cloudflare-specific, Architect is designed for AWS.
Claudia.js is a tool for deploying Node.js projects to AWS Lambda and API Gateway. It automates many of the deployment steps and simplifies the process of creating and managing serverless applications on AWS. Claudia.js is more AWS-centric, whereas wrangler is tailored for Cloudflare Workers.
wrangler
is a command line tool for building Cloudflare Workers.
[!WARNING]
Wrangler v2 is only receiving critical security updates. We recommend you migrate to Wrangler v3 if you can.
To get started quickly with a Hello World worker, run the command below:
npx wrangler init my-worker -y
For more info, visit our Getting Started guide.
For the latest Wrangler documentation, click here.
To read more about Workers in general:
Wrangler is configured via a wrangler.toml
or wrangler.json
file in the project root. An example configuration generated by npx wrangler init
or npx create cloudflare
is as follows:
name = "my-worker"
main = "./src/index.ts"
compatibility_date = "YYYY-MM-DD"
For more detailed information about configuration, refer to the documentation.
wrangler dev
Start a local development server, with live reloading and devtools.
wrangler deploy
Publish the given script to Cloudflare's global network.
For more commands and options, refer to the documentation.
wrangler pages dev [directory]
Serves a static build asset directory.
Builds and runs functions from a ./functions
directory or uses a _worker.js
file inside the static build asset directory.
For more commands and options, refer to the documentation or run wrangler pages dev --help
.
FAQs
Command-line interface for all things Cloudflare Workers
The npm package wrangler receives a total of 695,082 weekly downloads. As such, wrangler popularity was classified as popular.
We found that wrangler demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer 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.
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