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# Auth
Library and CLI tool for authentication using [pam](https://github.com/linux-pam/linux-pam).
## Installation
1. install dependencies
:::code-group
```sh [<i class="devicon-archlinux-plain"></i> Arch]
sudo pacman -Syu meson pam gobject-introspection
```
```sh [<i class="devicon-fedora-plain"></i> Fedora]
sudo dnf install meson pam-devel gobject-introspection-devel
```
```sh [<i class="devicon-ubuntu-plain"></i> Ubuntu]
# Not yet documented
```
:::
::: warning On NixOS you have to add `astal-auth` to `security.pam`.
::: code-group
```nix [configuration.nix]
{
security.pam.services.astal-auth = {}
}
```
:::
2. clone repo
```sh
git clone https://github.com/aylur/astal.git
cd astal/lib/auth
```
3. install
```sh
meson setup --prefix /usr build
meson install -C build
```
## Usage
You can browse the [Auth reference](https://aylur.github.io/libastal/auth).
### CLI
```sh
astal-auth --password my-password
```
### Library
:::code-group
```js [<i class="devicon-javascript-plain"></i> JavaScript]
import Auth from "gi://AstalAuth"
Auth.Pam.authenticate("password", (_, task) => {
try {
AstalAuth.Pam.authenticate_finish(task)
print("authentication sucessful")
} catch (error) {
print(error)
}
})
```
```py [<i class="devicon-python-plain"></i> Python]
from gi.repository import AstalAuth as Auth
def callback(_, task) -> None:
try:
Auth.Pam.authenticate_finish(task)
print("success")
except Exception as e:
print(e)
Auth.Pam.authenticate("password", callback)
```
```lua [<i class="devicon-lua-plain"></i> Lua]
local Auth = require("lgi").require("AstalAuth")
Auth.Pam.authenticate("password", function(_, task)
local status, err = Auth.Pam.authenticate_finish(task)
if err ~= nil then
print(err)
else
print("success")
end
end)
```
```vala [<i class="devicon-vala-plain"></i> Vala]
// Not yet documented
```
:::
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