Files
movies-diary/crates/presentation/src/extractors.rs

124 lines
3.7 KiB
Rust

use axum::{
extract::{FromRef, FromRequestParts},
http::{StatusCode, header, header::AUTHORIZATION, request::Parts},
response::{IntoResponse, Redirect},
};
use domain::{errors::DomainError, value_objects::UserId};
use crate::{errors::ApiError, state::AppState};
pub struct AuthenticatedUser(pub UserId);
impl<S> FromRequestParts<S> for AuthenticatedUser
where
AppState: FromRef<S>,
S: Send + Sync,
{
type Rejection = ApiError;
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
let app_state = AppState::from_ref(state);
let token = parts
.headers
.get(AUTHORIZATION)
.and_then(|v| v.to_str().ok())
.and_then(|v| v.strip_prefix("Bearer "))
.ok_or_else(|| {
ApiError(DomainError::Unauthorized(
"Missing or invalid auth token".into(),
))
})?;
let user_id = app_state.app_ctx.auth_service.validate_token(token).await?;
Ok(AuthenticatedUser(user_id))
}
}
pub struct OptionalCookieUser(pub Option<UserId>);
pub struct RequiredCookieUser(pub UserId);
fn extract_token_from_cookie(parts: &Parts) -> Option<String> {
parts
.headers
.get(header::COOKIE)
.and_then(|v| v.to_str().ok())
.and_then(|cookies| {
cookies
.split(';')
.find_map(|c| c.trim().strip_prefix("token=").map(str::to_string))
})
}
impl<S> FromRequestParts<S> for OptionalCookieUser
where
AppState: FromRef<S>,
S: Send + Sync,
{
type Rejection = std::convert::Infallible;
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
let app_state = AppState::from_ref(state);
let Some(token) = extract_token_from_cookie(parts) else {
return Ok(OptionalCookieUser(None));
};
let user_id = app_state
.app_ctx
.auth_service
.validate_token(&token)
.await
.ok();
Ok(OptionalCookieUser(user_id))
}
}
impl<S> FromRequestParts<S> for RequiredCookieUser
where
AppState: FromRef<S>,
S: Send + Sync,
{
type Rejection = axum::response::Response;
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
let app_state = AppState::from_ref(state);
let token = extract_token_from_cookie(parts)
.ok_or_else(|| Redirect::to("/login").into_response())?;
let user_id = app_state
.app_ctx
.auth_service
.validate_token(&token)
.await
.map_err(|_| Redirect::to("/login").into_response())?;
Ok(RequiredCookieUser(user_id))
}
}
pub struct AdminUser(pub UserId);
impl<S> FromRequestParts<S> for AdminUser
where
AppState: FromRef<S>,
S: Send + Sync,
{
type Rejection = axum::response::Response;
async fn from_request_parts(parts: &mut Parts, state: &S) -> Result<Self, Self::Rejection> {
let app_state = AppState::from_ref(state);
let RequiredCookieUser(user_id) =
RequiredCookieUser::from_request_parts(parts, state).await?;
let user = app_state
.app_ctx
.user_repository
.find_by_id(&user_id)
.await
.map_err(|_| StatusCode::INTERNAL_SERVER_ERROR.into_response())?
.ok_or_else(|| StatusCode::UNAUTHORIZED.into_response())?;
match user.role() {
domain::models::UserRole::Admin => Ok(AdminUser(user_id)),
_ => Err(StatusCode::FORBIDDEN.into_response()),
}
}
}
#[cfg(test)]
#[path = "tests/extractors.rs"]
mod tests;