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EnvShare is a simple tool to share environment variables securely. It uses AES-GCM to encrypt your data before sending it to the server. The encryption key never leaves your browser.

Features

Shareable Links: Share your environment variables securely by sending a link
End-to-End Encryption: AES-GCM encryption is used to encrypt your data before sending it to the server
Limit number of reads: Limit the number of times a link can be read
Auto Expire: Automatically expire links and delete data after a certain time

Built with

Next.js
tailwindcss
Deployed on Vercel
Data stored on Upstash

Deploy your own

Detailed instructions can be found here

All you need is a Redis database on Upstash and a Vercel account. Click the button below to clone and deploy:

Configuration

Environment Variables

ENABLE_VERCEL_ANALYTICS Any truthy value will enable Vercel Analytics. This is turned off by default

Contributing

This repository uses pnpm to manage dependencies. Install it using npm install -g pnpm

Please run pnpm fmt before committing to format the code.

Docs

Docs in the README are temporary and will be moved to the website soon.

API

Store a secret

PLEASE NEVER EVER UPLOAD UNENCRYPTED SECRETS.

This endpoint is only meant to store already encrypted secrets. The encrypted secrets are stored in plain text.

$ curl -XPOST -s https://envshare.dev/api/v1/secret -d "already-encrypted-secret"

You can add optional headers to configure the ttl and number of reads.

$ curl -XPOST -s https://envshare.dev/api/v1/secret -d "already-encrypted-secret" -H "envshare-ttl: 3600" -H "envshare-reads: 10"

Omitting the envshare-ttl header will set a default of 30 days. Disable the ttl by setting it to 0. (envshare-ttl: 0)
Omitting the envshare-reads header will simply disable it and allow reading for an unlimited number of times.

This endpoint returns a JSON response with the secret id:

{
  "data": {
    "id": "HdPbXgpvUvNk43oxSdK97u",
    "ttl": 86400,
    "reads": 2,
    "expiresAt": "2023-01-19T20:47:28.383Z",
    "url": "http://envshare.dev/api/v1/secret/HdPbXgpvUvNk43oxSdK97u"
  }
}

Retrieve a secret

You need an id to retrieve a secret. The id is returned when you store a secret.

$ curl -s https://envshare.dev/api/v1/secret/HdPbXgpvUvNk43oxSdK97u

{
  "data": {
    "secret": "Hello",
    "remainingReads": 1
  }
}