Merge branch 'backend-server'

1 files changed, 94 insertions, 0 deletions

diff --git a/backend/src/routes/users.rs b/backend/src/routes/users.rs
new file mode 100644
index 0000000..fc77d7b
--- /dev/null
+++ b/backend/src/routes/users.rs
@@ -0,0 +1,94 @@
+use crate::db::users::{Credentials, User};
+use crate::db::{sessions, users};
+use crate::DatabaseConnection;
+use axum::extract::{FromRequest, RequestParts, TypedHeader};
+use axum::headers::authorization::Bearer;
+use axum::headers::Authorization;
+use axum::http::StatusCode;
+use axum::{async_trait, Json};
+use serde::{Deserialize, Serialize};
+
+type AuthorizationHeader = TypedHeader<Authorization<Bearer>>;
+
+#[async_trait]
+impl<B> FromRequest<B> for User
+where
+    B: Send,
+{
+    type Rejection = (StatusCode, String);
+
+    async fn from_request(req: &mut RequestParts<B>) -> Result<Self, Self::Rejection> {
+        let conn = DatabaseConnection::from_request(req).await?;
+        let TypedHeader(Authorization(bearer)) = AuthorizationHeader::from_request(req)
+            .await
+            .map_err(|_| (StatusCode::UNAUTHORIZED, "".to_string()))?;
+
+        let (_session, user) = sessions::find_user_by_session(bearer.token(), &conn)
+            .map_err(|_| (StatusCode::UNAUTHORIZED, "".to_string()))?;
+
+        Ok(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.id,
+            username: user.username,
+        }
+    }
+}
+
+#[derive(Deserialize)]
+pub struct RegistrationParams {
+    pub username: String,
+    pub password: String,
+}
+
+pub async fn register(
+    conn: DatabaseConnection,
+    params: Json<RegistrationParams>,
+) -> Json<UserData> {
+    let credentials = Credentials {
+        username: &params.username,
+        password: &params.password,
+    };
+    let user = users::create_user(&credentials, &conn).unwrap();
+    Json(user.into())
+}
+
+#[derive(Deserialize)]
+pub struct LoginParams {
+    pub username: String,
+    pub password: String,
+}
+
+pub async fn login(
+    conn: DatabaseConnection,
+    params: Json<LoginParams>,
+) -> Result<String, StatusCode> {
+    let credentials = Credentials {
+        username: &params.username,
+        password: &params.password,
+    };
+    // TODO: handle failures
+    let authenticated = users::authenticate_user(&credentials, &conn);
+
+    match authenticated {
+        None => Err(StatusCode::FORBIDDEN),
+        Some(user) => {
+            let session = sessions::create_session(&user, &conn);
+            Ok(session.token)
+        }
+    }
+}
+
+pub async fn current_user(user: User) -> Json<UserData> {
+    Json(user.into())
+}