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use axum::{
extract::{FromRequestParts, State},
http::{request::Parts, StatusCode},
response::{IntoResponse, Response},
};
use sqlx::sqlite::SqlitePool;
use crate::{
clock::RequestedAt,
error::InternalError,
login::{
extract::IdentityToken,
repo::{logins::Login, tokens::Provider as _},
},
};
#[async_trait::async_trait]
impl FromRequestParts<SqlitePool> for Login {
type Rejection = LoginError<InternalError>;
async fn from_request_parts(
parts: &mut Parts,
state: &SqlitePool,
) -> Result<Self, Self::Rejection> {
// After Rust 1.82 (and #[feature(min_exhaustive_patterns)] lands on
// stable), the following can be replaced:
//
// let Ok(identity_token) = IdentityToken::from_request_parts(parts, state).await;
let identity_token = IdentityToken::from_request_parts(parts, state).await?;
let RequestedAt(requested_at) = RequestedAt::from_request_parts(parts, state).await?;
let secret = identity_token.secret().ok_or(LoginError::Forbidden)?;
let db = State::<SqlitePool>::from_request_parts(parts, state).await?;
let mut tx = db.begin().await?;
tx.tokens().expire(requested_at).await?;
let login = tx.tokens().validate(secret, requested_at).await?;
tx.commit().await?;
login.ok_or(LoginError::Forbidden)
}
}
pub enum LoginError<E> {
Failure(E),
Forbidden,
}
impl<E> IntoResponse for LoginError<E>
where
E: IntoResponse,
{
fn into_response(self) -> Response {
match self {
Self::Forbidden => (StatusCode::FORBIDDEN, "forbidden").into_response(),
Self::Failure(e) => e.into_response(),
}
}
}
impl<E> From<E> for LoginError<InternalError>
where
E: Into<InternalError>,
{
fn from(err: E) -> Self {
Self::Failure(err.into())
}
}
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