206 lines
9.4 KiB
Markdown
206 lines
9.4 KiB
Markdown
<p align="center">
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<img src="./design/Github.png" alt="logo">
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</p>
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<a href="https://discord.gg/nuby6RnxZt">
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<img alt="discord" src="https://img.shields.io/discord/252403122348097536?style=for-the-badge" />
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<img alt="docker pulls" src="https://img.shields.io/docker/pulls/cupcakearmy/cryptgeon?style=for-the-badge" />
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<img alt="Docker image size badge" src="https://img.shields.io/docker/image-size/cupcakearmy/cryptgeon?style=for-the-badge" />
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<img alt="Latest version" src="https://img.shields.io/github/v/release/cupcakearmy/cryptgeon?style=for-the-badge" />
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</a>
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<br/><br/>
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<a href="https://www.producthunt.com/posts/cryptgeon?utm_source=badge-featured&utm_medium=badge&utm_souce=badge-cryptgeon" target="_blank"><img src="https://api.producthunt.com/widgets/embed-image/v1/featured.svg?post_id=295189&theme=light" alt="Cryptgeon - Securely share self-destructing notes | Product Hunt" height="50" /></a>
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<a href=""><img src="./.github/lokalise.png" height="50">
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<br/><br/>
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EN | [简体中文](README_zh-CN.md) | [ES](README_ES.md)
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## About?
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_cryptgeon_ is a secure, open source sharing note or file service inspired by [_PrivNote_](https://privnote.com).
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It includes a server, a web page and a CLI client.
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> 🌍 If you want to translate the project feel free to reach out to me.
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>
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> Thanks to [Lokalise](https://lokalise.com/) for providing free access to their platform.
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## Live Service / Demo
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### Web
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Check out the live service / demo and see for yourself [cryptgeon.org](https://cryptgeon.org)
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### CLI
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```
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npx cryptgeon send text "This is a secret note"
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```
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For more documentation about the CLI see the [readme](./packages/cli/README.md).
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## Features
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- send text or files
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- server cannot decrypt contents due to client side encryption
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- view or time constraints
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- in memory, no persistence
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- obligatory dark mode support
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## How does it work?
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each note has a generated <code>id (256bit)</code> and <code>key 256(bit)</code>. The
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<code>id</code>
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is used to save & retrieve the note. the note is then encrypted with aes in gcm mode on the
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client side with the <code>key</code> and then sent to the server. data is stored in memory and
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never persisted to disk. the server never sees the encryption key and cannot decrypt the contents
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of the notes even if it tried to.
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## Screenshot
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## Environment Variables
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| Variable | Default | Description |
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| ----------------------- | ---------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| `REDIS` | `redis://redis/` | Redis URL to connect to. [According to format](https://docs.rs/redis/latest/redis/#connection-parameters) |
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| `SIZE_LIMIT` | `1 KiB` | Max size for body. Accepted values according to [byte-unit](https://docs.rs/byte-unit/). <br> `512 MiB` is the maximum allowed. <br> The frontend will show that number including the ~35% encoding overhead. |
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| `MAX_VIEWS` | `100` | Maximal number of views. |
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| `MAX_EXPIRATION` | `360` | Maximal expiration in minutes. |
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| `ALLOW_ADVANCED` | `true` | Allow custom configuration. If set to `false` all notes will be one view only. |
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| `ALLOW_FILES` | `true` | Allow uploading files. If set to `false`, users will only be allowed to create text notes. |
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| `THEME_NEW_NOTE_NOTICE` | `true` | Show the message about how notes are stored in the memory and may be evicted after creating a new note. Defaults to `true`. |
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| `ID_LENGTH` | `32` | Set the size of the note `id` in bytes. By default this is `32` bytes. This is useful for reducing link size. _This setting does not affect encryption strength_. |
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| `VERBOSITY` | `warn` | Verbosity level for the backend. [Possible values](https://docs.rs/env_logger/latest/env_logger/#enabling-logging) are: `error`, `warn`, `info`, `debug`, `trace` |
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| `THEME_IMAGE` | `""` | Custom image for replacing the logo. Must be publicly reachable |
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| `THEME_TEXT` | `""` | Custom text for replacing the description below the logo |
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| `THEME_PAGE_TITLE` | `""` | Custom text the page title |
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| `THEME_FAVICON` | `""` | Custom url for the favicon. Must be publicly reachable |
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## Deployment
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> ℹ️ `https` is required otherwise browsers will not support the cryptographic functions.
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> ℹ️ There is a health endpoint available at `/api/health/`. It returns either 200 or 503.
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### Docker
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Docker is the easiest way. There is the [official image here](https://hub.docker.com/r/cupcakearmy/cryptgeon).
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```yaml
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# docker-compose.yml
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version: '3.8'
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services:
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redis:
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image: redis:7-alpine
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# Set a size limit. See link below on how to customise.
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# https://redis.io/docs/manual/eviction/
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# command: redis-server --maxmemory 1gb --maxmemory-policy allkeys-lru
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app:
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image: cupcakearmy/cryptgeon:latest
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depends_on:
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- redis
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environment:
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# Size limit for a single note.
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SIZE_LIMIT: 4 MiB
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ports:
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- 80:8000
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# Optional health checks
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# healthcheck:
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# test: ["CMD", "curl", "--fail", "http://127.0.0.1:8000/api/live/"]
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# interval: 1m
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# timeout: 3s
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# retries: 2
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# start_period: 5s
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```
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### NGINX Proxy
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See the [examples/nginx](https://github.com/cupcakearmy/cryptgeon/tree/main/examples/nginx) folder. There an example with a simple proxy, and one with https. You need to specify the server names and certificates.
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### Traefik 2
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See the [examples/traefik](https://github.com/cupcakearmy/cryptgeon/tree/main/examples/traefik) folder.
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### Scratch
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See the [examples/scratch](https://github.com/cupcakearmy/cryptgeon/tree/main/examples/scratch) folder. There you'll find a guide how to setup a server and install cryptgeon from scratch.
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### Synology
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There is a [guide](https://mariushosting.com/how-to-install-cryptgeon-on-your-synology-nas/) you can follow.
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### YouTube Guides
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- English by [Webnestify](https://www.youtube.com/watch?v=XAyD42I7wyI)
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- English by [DB Tech](https://www.youtube.com/watch?v=S0jx7wpOfNM) [Previous Video](https://www.youtube.com/watch?v=JhpIatD06vE)
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- German by [ApfelCast](https://www.youtube.com/watch?v=84ZMbE9AkHg)
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## Development
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**Requirements**
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- `pnpm`: `>=6`
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- `node`: `>=18`
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- `rust`: edition `2021`
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**Install**
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```bash
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pnpm install
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# Also you need cargo watch if you don't already have it installed.
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# https://lib.rs/crates/cargo-watch
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cargo install cargo-watch
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```
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**Run**
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Make sure you have docker running.
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```bash
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pnpm run dev
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```
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Running `pnpm run dev` in the root folder will start the following things:
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- redis docker container
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- rust backend
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- client
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- cli
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You can see the app under [localhost:1234](http://localhost:1234).
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> There is a Postman collection with some example requests [available in the repo](./Cryptgeon.postman_collection.json)
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### Tests
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Tests are end to end tests written with Playwright.
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```sh
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pnpm run test:prepare
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# Use the test or test:local script. The local version only runs in one browser for quicker development.
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pnpm run test:local
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```
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## Security
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Please refer to the security section [here](./SECURITY.md).
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---
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_Attributions_
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- Test data:
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- Text for tests [Nietzsche Ipsum](https://nietzsche-ipsum.com/)
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- [AES Paper](https://www.cs.miami.edu/home/burt/learning/Csc688.012/rijndael/rijndael_doc_V2.pdf)
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- [Unsplash Pictures](https://unsplash.com/)
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- Loading animation by [Nikhil Krishnan](https://codepen.io/nikhil8krishnan/pen/rVoXJa)
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- Icons made by <a href="https://www.freepik.com" title="Freepik">freepik</a> from <a href="https://www.flaticon.com/" title="Flaticon">www.flaticon.com</a>
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