fix: format

src/auth/jwt.rs

@@ -1,8 +1,8 @@
-use jsonwebtoken::{decode, decode_header, Algorithm, DecodingKey, Validation};
+use jsonwebtoken::{Algorithm, DecodingKey, Validation, decode, decode_header};
+use once_cell::sync::Lazy;
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
 use std::env;
-use once_cell::sync::Lazy;
 
 #[derive(Debug, Deserialize, Serialize, Clone)]
 pub struct Claims {
@@ -19,9 +19,7 @@ pub struct RealmAccess {
     pub roles: Vec<String>,
 }
 
-static ISSUER: Lazy<String> = Lazy::new(|| {
-    env::var("ISSUER").expect("ISSUER not set")
-});
+static ISSUER: Lazy<String> = Lazy::new(|| env::var("ISSUER").expect("ISSUER not set"));
 
 pub fn validate_token(token: &str, jwks: &Value) -> Result<Claims, String> {
     // 1. Decode header
@@ -30,9 +28,7 @@ pub fn validate_token(token: &str, jwks: &Value) -> Result<Claims, String> {
     let kid = header.kid.ok_or("Missing kid")?;
 
     // 2. Find matching key
-    let keys = jwks["keys"]
-        .as_array()
-        .ok_or("Invalid JWKS")?;
+    let keys = jwks["keys"].as_array().ok_or("Invalid JWKS")?;
 
     let key = keys
         .iter()
@@ -44,8 +40,7 @@ pub fn validate_token(token: &str, jwks: &Value) -> Result<Claims, String> {
     let e = key["e"].as_str().ok_or("Missing e")?;
 
     let decoding_key =
-        DecodingKey::from_rsa_components(n, e)
-            .map_err(|_| "Invalid decoding key")?;
+        DecodingKey::from_rsa_components(n, e).map_err(|_| "Invalid decoding key")?;
 
     // 4. Setup validation rules
     let mut validation = Validation::new(Algorithm::RS256);
@@ -57,8 +52,7 @@ pub fn validate_token(token: &str, jwks: &Value) -> Result<Claims, String> {
     validation.validate_aud = false; // depends on your Keycloak config
 
     // 5. Decode & verify
-    let token_data =
-        decode::<Claims>(token, &decoding_key, &validation)
+    let token_data = decode::<Claims>(token, &decoding_key, &validation)
         .map_err(|_| "Token validation failed")?;
 
     Ok(token_data.claims)

src/auth/keycloak.rs

@@ -1,9 +1,9 @@
-use serde_json::Value;
-use std::sync::Arc;
-use tokio::sync::RwLock;
-use std::time::{Duration, Instant};
-use std::env;
 use once_cell::sync::Lazy;
+use serde_json::Value;
+use std::env;
+use std::sync::Arc;
+use std::time::{Duration, Instant};
+use tokio::sync::RwLock;
 
 #[derive(Clone)]
 struct JwksCache {
@@ -11,12 +11,9 @@ struct JwksCache {
     last_fetched: Instant,
 }
 
-static JWK_CACHE: Lazy<Arc<RwLock<Option<JwksCache>>>> =
-    Lazy::new(|| Arc::new(RwLock::new(None)));
+static JWK_CACHE: Lazy<Arc<RwLock<Option<JwksCache>>>> = Lazy::new(|| Arc::new(RwLock::new(None)));
 
-static JWKS_URL: Lazy<String> = Lazy::new(|| {
-    env::var("JWKS_URL").expect("JWKS_URL not set")
-});
+static JWKS_URL: Lazy<String> = Lazy::new(|| env::var("JWKS_URL").expect("JWKS_URL not set"));
 
 async fn fetch_jwks() -> Result<Value, reqwest::Error> {
     let jwks = reqwest::get(JWKS_URL.as_str())
@@ -47,12 +44,13 @@ pub async fn get_jwks() -> Result<Value, reqwest::Error> {
         // Read lock first (fast path)
         let read = JWK_CACHE.read().await;
 
-        if let Some(cache) = &*read {
-            if cache.last_fetched.elapsed() < ttl {
+        if let Some(cache) = read
+            .as_ref()
+            .filter(|cache| cache.last_fetched.elapsed() < ttl)
+        {
             return Ok(cache.jwks.clone());
         }
     }
-    }
 
     // Expired or empty → refresh
     refresh_jwks().await

src/auth/middleware.rs

@@ -1,25 +1,18 @@
-use axum::{
-    extract::Request,
-    http::{StatusCode},
-    middleware::Next,
-    response::Response,
+use axum::{extract::Request, http::StatusCode, middleware::Next, response::Response};
+
+use crate::auth::{
+    jwt::validate_token,
+    keycloak::{get_jwks, refresh_jwks},
 };
 
-use crate::auth::{jwt::validate_token, keycloak::{get_jwks, refresh_jwks}};
-
-pub async fn auth_middleware(
-    mut request: Request,
-    next: Next,
-) -> Result<Response, StatusCode> {
+pub async fn auth_middleware(mut request: Request, next: Next) -> Result<Response, StatusCode> {
     dbg!("Middleware hit");
 
     let headers = request.headers();
 
     dbg!("Headers extracted");
 
-    let auth_header = headers
-        .get("authorization")
-        .and_then(|v| v.to_str().ok());
+    let auth_header = headers.get("authorization").and_then(|v| v.to_str().ok());
 
     dbg!("Auth header: {:?}", auth_header);
 

src/main.rs

@@ -1,25 +1,17 @@
 mod auth;
 
-use crate::auth::middleware::auth_middleware;
 use crate::auth::jwt::Claims;
+use crate::auth::middleware::auth_middleware;
 
-use dotenvy::dotenv;
 use axum::extract::Extension;
-use axum::{
-    routing::get,
-    Router,
-    middleware,
-};
+use axum::{Router, middleware, routing::get};
+use dotenvy::dotenv;
 use std::net::SocketAddr;
 
-pub async fn protected_route(
-    Extension(claims): Extension<Claims>,
-) -> String {
+pub async fn protected_route(Extension(claims): Extension<Claims>) -> String {
     format!(
         "Hello {}, your user id is {}",
-        claims
-            .preferred_username
-            .unwrap_or("unknown".to_string()),
+        claims.preferred_username.unwrap_or("unknown".to_string()),
         claims.sub
     )
 }
@@ -30,16 +22,13 @@ pub async fn public_route() -> &'static str {
 }
 
 pub fn app() -> Router {
-    let public_routes = Router::new()
-        .route("/", get(public_route));
+    let public_routes = Router::new().route("/", get(public_route));
 
     let protected_routes = Router::new()
         .route("/protected", get(protected_route))
         .layer(middleware::from_fn(auth_middleware));
 
-    Router::new()
-        .merge(public_routes)
-        .merge(protected_routes)
+    Router::new().merge(public_routes).merge(protected_routes)
 }
 
 #[tokio::main]