salvo-captcha 0.1.0

A captcha middleware for Salvo framework.
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<div align="center">

# salvo-captcha

A captcha middleware for [salvo](salvo.rs) framework. It uses [`captcha`](https://github.com/daniel-e/captcha) crate to generate captcha images.

[![salvo-captcha-video](https://i.suar.me/9NjJ1)](https://ibb.co/XVRVMZj)

</div>

### Add to your project
First, add the following to your `Cargo.toml`:

```toml
[dependencies]
salvo-captcha = "0.1"
```

Or use [cargo-add](https://doc.rust-lang.org/cargo/commands/cargo-add.html) to add the dependency to your `Cargo.toml`:

```sh
$ cargo add salvo-captcha
```

### Usage
See the [examples](examples) directory for a complete example.


### Storage
The storage of the captcha is handled by a [`CaptchaStore`] trait. You can implement your own storage or use the `cacache-rs` by enabling the `cacache-storage` feature.

```toml
[dependencies]
salvo-captcha = { version = "0.1", features = ["cacache-storage"] }
```

### Captcha name and difficulty
In this table you can see the different between the difficulties and the name of the captcha.

| Name | Difficulty | Image |
|------|------------|-------|
| `Amelia` | Easy | ![Simple](https://i.suar.me/1JaxG/s) |
| `Amelia` | Medium | ![Simple](https://i.suar.me/l7zBl/s) |
| `Amelia` | Hard | ![Simple](https://i.suar.me/qXAlx/s) |
| `Lucy` | Easy | ![Simple](https://i.suar.me/edwBG/s) |
| `Lucy` | Medium | ![Simple](https://i.suar.me/NJmg0/s) |
| `Lucy` | Hard | ![Simple](https://i.suar.me/OJK7M/s) |
| `Mila` | Easy | ![Simple](https://i.suar.me/dO78z/s) |
| `Mila` | Medium | ![Simple](https://i.suar.me/PXBwK/s) |
| `Mila` | Hard | ![Simple](https://i.suar.me/8edgE/s) |

### License
This project is licensed under the MIT license for more details see [LICENSE](LICENSE) or http://opensource.org/licenses/MIT.


[`CaptchaStore`]: https://docs.rs/salvo_captcha/0.1.0/salvo_captcha/trait.CaptchaStore.html
[cacache-rs]: https://github.com/zkat/cacache-rs