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Noauth - Nostr key manager
Nsec.app is a web app to store your Nostr keys and provide remote access to keys using nip46.
Features:
- non-custodial store for your keys
- can store many keys
- provides nip46 access to apps
- permission management for connected apps
- works in any browser or platform
- background operation even if app tab is closed
- cloud e2ee sync for your keys
- support for OAuth-like signin flow
How it works
This is a web-based nostr signer app, it uses nip46 signer running inside a service worker, if SW is not running - a noauthd server sends a push message and wakes SW up. Also, keys can be saved to server and fetched later in an end-to-end encrypted way. Keys are encrypted with user-defined password, a good key derivation function is used to resist brute force.
It works across devices, but that's unreliable, especially if signer is on mobile - if your phone is locked then service worker might not wake up. Thanks to cloud sync/recovery of keys users can import their keys into this app on every device and then it works well.
How to self-host
This app is non-custodial, so there isn't much need for self-hosting. However, if you'd like to run your own version of it, here is how to do it:
Create web push keys (https://github.com/web-push-libs/web-push):
npm install web-push;
web-push generate-vapid-keys --json
Edit .end in noauth:
REACT_APP_WEB_PUSH_PUBKEY=web push public key,
REACT_APP_NOAUTHD_URL=address of the noauthd server (see below)
REACT_APP_DOMAIN=domain name of your bunker (i.e. nsec.app)
REACT_APP_RELAY=relay that you'll use, can use wss://relay.nsec.app - don't use public general-purpose relays, you'll hit rate limits very fast
Then do:
npm install;
npm run build;
The app is in the build
folder.
To run the noauthd server (https://github.com/nostrband/noauthd), edit .env in noauthd:
PUSH_PUBKEY=web push public key, same as above
PUSH_SECRET=web push private key that you generated above
ORIGIN=address of the server itself, like http://localhost:8000
DATABASE_URL="file:./prod.db"
BUNKER_NSEC=nsec of the bunker (needed for create_account methods)
BUNKER_RELAY="wss://relay.nsec.app" - same as above
BUNKER_DOMAIN="nsec.app" - same as above
BUNKER_ORIGIN=where noauth is hosted
Then init the database and launch:
npx prisma migrate deploy
node -r dotenv/config src/index.js dotenv_config_path=.env
TODO
- Show details of requested operations
- Publish a profile for new sign ups
- Sync processed reqs across devices
- Sync connected apps and perms across devices
- Sync app activity across devices
- Group apps by domain
- Encrypt local nsec in Safari
- Add WebAuthn to the mix
- Add LN address to new profiles
- Confirm relay/contact list pruning requests
- Transfer/change nip05 name
- Better notifs with activity summaries
- How to send auth_url to new device if all other devices are down?