konobangu/apps/recorder/src/auth/basic.rs

88 lines
2.6 KiB
Rust

use async_trait::async_trait;
use axum::http::{request::Parts, HeaderValue};
use base64::{self, Engine};
use reqwest::header::AUTHORIZATION;
use super::{
config::BasicAuthConfig,
errors::AuthError,
service::{AuthService, AuthUserInfo},
};
use crate::models::{auth::AuthType, subscribers::SEED_SUBSCRIBER};
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct AuthBasic {
pub user: String,
pub password: Option<String>,
}
impl AuthBasic {
fn decode_request_parts(req: &mut Parts) -> Result<Self, AuthError> {
let authorization = req
.headers
.get(AUTHORIZATION)
.and_then(|s| s.to_str().ok())
.ok_or(AuthError::BasicInvalidCredentials)?;
let split = authorization.split_once(' ');
match split {
Some(("Basic", contents)) => {
let decoded = base64::engine::general_purpose::STANDARD
.decode(contents)
.map_err(|_| AuthError::BasicInvalidCredentials)?;
let decoded =
String::from_utf8(decoded).map_err(|_| AuthError::BasicInvalidCredentials)?;
Ok(if let Some((user, password)) = decoded.split_once(':') {
Self {
user: String::from(user),
password: Some(String::from(password)),
}
} else {
Self {
user: decoded,
password: None,
}
})
}
_ => Err(AuthError::BasicInvalidCredentials),
}
}
}
#[derive(Debug)]
pub struct BasicAuthService {
pub config: BasicAuthConfig,
}
#[async_trait]
impl AuthService for BasicAuthService {
async fn extract_user_info(&self, request: &mut Parts) -> Result<AuthUserInfo, AuthError> {
if let Ok(AuthBasic {
user: found_user,
password: found_password,
}) = AuthBasic::decode_request_parts(request)
{
if self.config.user == found_user
&& self.config.password == found_password.unwrap_or_default()
{
return Ok(AuthUserInfo {
user_pid: SEED_SUBSCRIBER.to_string(),
auth_type: AuthType::Basic,
});
}
}
Err(AuthError::BasicInvalidCredentials)
}
fn www_authenticate_header_value(&self) -> Option<HeaderValue> {
Some(HeaderValue::from_static(r#"Basic realm="konobangu""#))
}
fn auth_type(&self) -> AuthType {
AuthType::Basic
}
}