minor re-org and tidy

src/auth.rs

@@ -1,6 +1,7 @@
 use argon2::Argon2;
 use async_trait::async_trait;
-use axum_login::{AuthnBackend, UserId};
+use axum_login::{AuthUser, AuthnBackend, UserId};
+use julid::Julid;
 use password_hash::{PasswordHash, PasswordVerifier};
 use sqlx::SqlitePool;
 use tower_sessions::{cookie::time::Duration, Expiry, SessionManagerLayer, SqliteStore};
@@ -46,9 +47,7 @@ pub struct AuthError;
 #[async_trait]
 impl AuthnBackend for AuthStore {
     type User = User;
-
     type Credentials = Credentials;
-
     type Error = AuthError;
 
     async fn authenticate(
@@ -57,9 +56,7 @@ impl AuthnBackend for AuthStore {
     ) -> Result<Option<Self::User>, Self::Error> {
         let username = creds.username.trim();
         let password = creds.password.trim();
-        let user = User::try_get(username, &self)
-            .await
-            .map_err(|_| AuthError)?;
+        let user = User::try_get(username, self).await.map_err(|_| AuthError)?;
 
         let verifier = Argon2::default();
         let hash = PasswordHash::new(&user.pwhash).map_err(|_| AuthError)?;
@@ -79,6 +76,18 @@ impl AuthnBackend for AuthStore {
     }
 }
 
+impl AuthUser for User {
+    type Id = Julid;
+
+    fn id(&self) -> Self::Id {
+        self.id
+    }
+
+    fn session_auth_hash(&self) -> &[u8] {
+        self.pwhash.as_bytes()
+    }
+}
+
 pub async fn session_layer(pool: SqlitePool) -> SessionManagerLayer<SqliteStore> {
     let store = SqliteStore::new(pool);
     store

src/lib.rs

@@ -3,9 +3,6 @@ use sqlx::SqlitePool;
 #[macro_use]
 extern crate justerror;
 
-#[cfg(test)]
-pub mod test_utils;
-
 /// Some public interfaces for interacting with the database outside of the web
 /// app
 pub use db::get_db_pool;
@@ -89,6 +86,9 @@ pub async fn app(db_pool: sqlx::SqlitePool) -> IntoMakeService<axum::Router> {
         .into_make_service()
 }
 
+#[cfg(test)]
+pub mod test_utils;
+
 //-************************************************************************
 // tests for the proc macro for optional user
 //-************************************************************************

src/login.rs

@@ -1,4 +1,3 @@
-
 use axum::{
     http::StatusCode,
     response::{IntoResponse, Redirect, Response},
@@ -6,7 +5,6 @@ use axum::{
 };
 use serde::{Deserialize, Serialize};
 
-
 use crate::{auth::Credentials, AuthSession, LoginPage, LogoutPage, LogoutSuccessPage};
 
 //-************************************************************************
@@ -44,7 +42,7 @@ impl IntoResponse for LoginError {
 }
 
 // for receiving form submissions
-#[derive(Debug, Default, Deserialize, Serialize, PartialEq, Eq)]
+#[derive(Clone, Debug, Default, Deserialize, Serialize, PartialEq, Eq)]
 pub struct LoginPostForm {
     pub username: String,
     pub password: String,
@@ -52,10 +50,10 @@ pub struct LoginPostForm {
 }
 
 impl From<LoginPostForm> for Credentials {
-    fn from(value: LoginPostForm) -> Self {
+    fn from(form: LoginPostForm) -> Self {
         Self {
-            username: value.username,
-            password: value.password,
+            username: form.username,
+            password: form.password,
         }
     }
 }
@@ -68,9 +66,10 @@ impl From<LoginPostForm> for Credentials {
 #[axum::debug_handler]
 pub async fn post_login(
     mut auth: AuthSession,
-    Form(login): Form<LoginPostForm>,
+    Form(mut login_form): Form<LoginPostForm>,
 ) -> Result<impl IntoResponse, LoginError> {
-    let user = auth.authenticate(login.into()).await.map_err(|e| {
+    let dest = login_form.destination.take();
+    let user = auth.authenticate(login_form.into()).await.map_err(|e| {
         tracing::debug!("{e}");
         LoginErrorKind::Unknown
     })?;
@@ -81,7 +80,10 @@ pub async fn post_login(
             auth.login(&user)
                 .await
                 .map_err(|_| LoginErrorKind::Internal)?;
-            Ok(Redirect::to("/"))
+            match dest {
+                Some(dest) => Ok(Redirect::to(&dest)),
+                _ => Ok(Redirect::to("/")),
+            }
         }
         _ => Err(LoginErrorKind::BadPassword.into()),
     }

src/main.rs

@@ -24,7 +24,6 @@ fn main() {
     rt.block_on(async {
         let addr: SocketAddr = ([0, 0, 0, 0], 3000).into();
         tracing::debug!("binding to {addr:?}");
-
         let listener = tokio::net::TcpListener::bind(&addr).await.unwrap();
         axum::serve(listener, app).await.unwrap();
     });

src/users.rs

@@ -1,19 +1,15 @@
-use std::{
-    fmt::{Debug, Display},
-    time::{SystemTime, UNIX_EPOCH},
-};
+use std::fmt::{Debug, Display};
 
 use axum::{
     extract::{Request, State},
     middleware::Next,
     response::IntoResponse,
 };
-use axum_login::AuthUser;
 use julid::Julid;
 use serde::{Deserialize, Serialize};
 use sqlx::SqlitePool;
 
-use crate::auth::AuthSession;
+use crate::AuthSession;
 
 const USERNAME_QUERY: &str = "select * from users where username = $1";
 const LAST_SEEN_QUERY: &str = "update users set last_seen = (select unixepoch()) where id = $1";
@@ -53,20 +49,8 @@ impl Display for User {
     }
 }
 
-impl AuthUser for User {
-    type Id = Julid;
-
-    fn id(&self) -> Self::Id {
-        self.id
-    }
-
-    fn session_auth_hash(&self) -> &[u8] {
-        self.pwhash.as_bytes()
-    }
-}
-
 impl User {
-    pub async fn try_get(username: &str, db: &SqlitePool) -> Result<User, impl std::error::Error> {
+    pub async fn try_get(username: &str, db: &SqlitePool) -> Result<Self, impl std::error::Error> {
         sqlx::query_as(USERNAME_QUERY)
             .bind(username)
             .fetch_one(db)
@@ -98,6 +82,7 @@ pub async fn handle_update_last_seen(
     request: Request,
     next: Next,
 ) -> impl IntoResponse {
+    use std::time::{SystemTime, UNIX_EPOCH};
     if let Some(user) = auth.user {
         if let Some(then) = user.last_seen {
             let now = SystemTime::now()