Files
thoughts/thoughts-backend/api/src/extractor/auth.rs

77 lines
2.4 KiB
Rust

use axum::{
extract::FromRequestParts,
http::{request::Parts, HeaderMap, StatusCode},
};
use jsonwebtoken::{decode, DecodingKey, Validation};
use once_cell::sync::Lazy;
use sea_orm::prelude::Uuid;
use serde::{Deserialize, Serialize};
use app::{persistence::api_key, state::AppState};
#[derive(Debug, Serialize, Deserialize)]
pub struct Claims {
pub sub: Uuid,
pub exp: usize,
}
static JWT_SECRET: Lazy<String> =
Lazy::new(|| std::env::var("AUTH_SECRET").expect("AUTH_SECRET must be set"));
pub struct AuthUser {
pub id: Uuid,
}
impl FromRequestParts<AppState> for AuthUser {
type Rejection = (StatusCode, &'static str);
async fn from_request_parts(
parts: &mut Parts,
state: &AppState,
) -> Result<Self, Self::Rejection> {
// --- Test User ID (Keep for testing) ---
if let Some(user_id_header) = parts.headers.get("x-test-user-id") {
let user_id_str = user_id_header.to_str().unwrap_or("0");
let user_id = user_id_str.parse::<Uuid>().unwrap_or(Uuid::nil());
return Ok(AuthUser { id: user_id });
}
// --- API Key Authentication ---
if let Some(api_key) = get_api_key_from_header(&parts.headers) {
return match api_key::validate_api_key(&state.conn, &api_key).await {
Ok(user) => Ok(AuthUser { id: user.id }),
Err(_) => Err((StatusCode::UNAUTHORIZED, "Invalid API Key")),
};
}
// --- JWT Authentication (Fallback) ---
let token = get_token_from_header(&parts.headers)
.ok_or((StatusCode::UNAUTHORIZED, "Missing or invalid token"))?;
let decoding_key = DecodingKey::from_secret(JWT_SECRET.as_ref());
let claims = decode::<Claims>(&token, &decoding_key, &Validation::default())
.map(|data| data.claims)
.map_err(|_| (StatusCode::UNAUTHORIZED, "Invalid token"))?;
Ok(AuthUser { id: claims.sub })
}
}
fn get_token_from_header(headers: &HeaderMap) -> Option<String> {
headers
.get("Authorization")
.and_then(|header| header.to_str().ok())
.and_then(|header| header.strip_prefix("Bearer "))
.map(|token| token.to_owned())
}
fn get_api_key_from_header(headers: &HeaderMap) -> Option<String> {
headers
.get("Authorization")
.and_then(|header| header.to_str().ok())
.and_then(|header| header.strip_prefix("ApiKey "))
.map(|key| key.to_owned())
}