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use crate::db::{sessions, users};
use crate::{
db::users::{Credentials, User},
DbConn,
};
use rocket::serde::json::Json;
use serde::{Deserialize, Serialize};
use rocket::http::Status;
use rocket::request::{self, FromRequest, Outcome, Request};
#[derive(Debug)]
pub enum AuthTokenError {
BadCount,
Missing,
Invalid,
}
// TODO: error handling and proper lifetimes
#[rocket::async_trait]
impl<'r> FromRequest<'r> for User {
type Error = AuthTokenError;
async fn from_request(request: &'r Request<'_>) -> Outcome<Self, Self::Error> {
let keys: Vec<_> = request.headers().get("Authorization").collect();
let token = match keys.len() {
0 => return Outcome::Failure((Status::BadRequest, AuthTokenError::Missing)),
1 => keys[0].to_string(),
_ => return Outcome::Failure((Status::BadRequest, AuthTokenError::BadCount)),
};
let db = request.guard::<DbConn>().await.unwrap();
let (_session, user) = db
.run(move |conn| sessions::find_user_by_session(&token, conn))
.await
.unwrap();
Outcome::Success(user)
}
}
#[derive(Serialize, Deserialize)]
pub struct UserData {
pub user_id: i32,
pub username: String,
}
impl From<User> for UserData {
fn from(user: User) -> Self {
UserData {
user_id: user.user_id,
username: user.username,
}
}
}
#[derive(Deserialize)]
pub struct RegistrationParams {
pub username: String,
pub password: String,
}
#[post("/register", data = "<params>")]
pub async fn register(db_conn: DbConn, params: Json<RegistrationParams>) -> Json<UserData> {
db_conn
.run(move |conn| {
let credentials = Credentials {
username: ¶ms.username,
password: ¶ms.password,
};
let user = users::create_user(&credentials, conn).unwrap();
Json(user.into())
})
.await
}
#[derive(Deserialize)]
pub struct LoginParams {
pub username: String,
pub password: String,
}
#[post("/login", data = "<params>")]
pub async fn login(db_conn: DbConn, params: Json<LoginParams>) -> String {
db_conn
.run(move |conn| {
let credentials = Credentials {
username: ¶ms.username,
password: ¶ms.password,
};
// TODO: handle failures
let user = users::authenticate_user(&credentials, conn).unwrap();
let session = sessions::create_session(&user, conn);
return session.token;
})
.await
}
#[get("/users/me")]
pub async fn current_user(user: User) -> Json<UserData> {
Json(user.into())
}
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