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walnut

Small, light, and secure iot application framework.

curl https://git.daplie.com/Daplie/daplie-snippets/raw/master/install.sh | bash

daplie-install-cloud

Features

Works with Goldilocks for secure, Let's Encrypt maneged, https-only serving
IOT Application server written in Node.js
Small memory footprint (for a node app)
Secure
- Uses JWT, not Cookies*
- HTTPS-only (checks for X-Forwarded-For)
- AES, RSA, and ECDSA encryption and signing
- Safe against CSRF, XSS, and SQL injection
- Safe against Compression attacks
Multi-Tentated Application Management
Built-in OAuth2 & OAuth3 support

*Cookies are used only for GETs and only where using a token would be less secure such as images which would otherwise require the token to be passed into the img src. They are also scoped such that CSRF attacks are not possible.

In Progress

HTTPS Key Pinning
Heroku (pending completion of PostgreSQL support)
GunDB Support
OpenID support

Structure

Currently being tested with Ubuntu, Raspbian, and Debian on Digital Ocean, Raspberry Pi, and Heroku.

/srv/walnut/
├── setup.sh (in-progress)
├── core
│   ├── bin
│   ├── boot
│   ├── holepunch
│   └── lib
├── node_modules
├── packages
│   ├── apis
│   ├── pages
│   └── services
└── var

core contains all walnut code
node_modules is a flat installation of all dependencies
certs is a directory for Let's Encrypt (or custom) certificates
var is a directory for database files and such
packages contains 3 types of packages

Will install to

/srv/walnut/core/
/etc/walnut
/opt/walnut
/var/log/walnut
/etc/systemd/system/walnut.service
/etc/tmpfiles.d/walnut.conf

Implementation details

Initialization

needs to know its primary domain

POST https://api.<domain.tld>/api/com.daplie.walnut.init

{ "domain": "<domain.tld>" }

Resetting the Initialization

Once you run the app the initialization files will appear in these locations

/srv/walnut/var/com.daplie.walnut.config.sqlite3
/srv/walnut/config/<domain.tld>.json

Deleting those files will rese

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