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use chrono::TimeDelta;
use sqlx::sqlite::SqlitePool;
use super::repo::auth::Provider as _;
use crate::{
clock::DateTime,
password::StoredHash,
repo::{
error::NotFound as _,
login::{Login, Provider as _},
token::Provider as _,
},
};
pub struct Logins<'a> {
db: &'a SqlitePool,
}
impl<'a> Logins<'a> {
pub const fn new(db: &'a SqlitePool) -> Self {
Self { db }
}
pub async fn login(
&self,
name: &str,
password: &str,
login_at: &DateTime,
) -> Result<String, LoginError> {
let mut tx = self.db.begin().await?;
let login = if let Some((login, stored_hash)) = tx.auth().for_name(name).await? {
if stored_hash.verify(password)? {
// Password verified; use the login.
login
} else {
// Password NOT verified.
return Err(LoginError::Rejected);
}
} else {
let password_hash = StoredHash::new(password)?;
tx.logins().create(name, &password_hash).await?
};
let token = tx.tokens().issue(&login, login_at).await?;
tx.commit().await?;
Ok(token)
}
#[cfg(test)]
pub async fn create(&self, name: &str, password: &str) -> Result<Login, CreateError> {
let password_hash = StoredHash::new(password)?;
let mut tx = self.db.begin().await?;
let login = tx.logins().create(name, &password_hash).await?;
tx.commit().await?;
Ok(login)
}
pub async fn validate(&self, secret: &str, used_at: &DateTime) -> Result<Login, ValidateError> {
let mut tx = self.db.begin().await?;
let login = tx
.tokens()
.validate(secret, used_at)
.await
.not_found(|| ValidateError::InvalidToken)?;
tx.commit().await?;
Ok(login)
}
pub async fn expire(&self, relative_to: &DateTime) -> Result<(), sqlx::Error> {
// Somewhat arbitrarily, expire after 7 days.
let expire_at = relative_to.to_owned() - TimeDelta::days(7);
let mut tx = self.db.begin().await?;
tx.tokens().expire(&expire_at).await?;
tx.commit().await?;
Ok(())
}
pub async fn logout(&self, secret: &str) -> Result<(), ValidateError> {
let mut tx = self.db.begin().await?;
tx.tokens()
.revoke(secret)
.await
.not_found(|| ValidateError::InvalidToken)?;
tx.commit().await?;
Ok(())
}
}
#[derive(Debug, thiserror::Error)]
pub enum LoginError {
#[error("invalid login")]
Rejected,
#[error(transparent)]
DatabaseError(#[from] sqlx::Error),
#[error(transparent)]
PasswordHashError(#[from] password_hash::Error),
}
#[cfg(test)]
#[derive(Debug, thiserror::Error)]
#[error(transparent)]
pub enum CreateError {
DatabaseError(#[from] sqlx::Error),
PasswordHashError(#[from] password_hash::Error),
}
#[derive(Debug, thiserror::Error)]
pub enum ValidateError {
#[error("invalid token")]
InvalidToken,
#[error(transparent)]
DatabaseError(#[from] sqlx::Error),
}
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