From 56dfb7ec77a5aec6cb37ebcdc11c31d5f4190f71 Mon Sep 17 00:00:00 2001
From: hectorsector <hector@hectorsector.com>
Date: Mon, 30 Mar 2026 12:22:51 -0400
Subject: [PATCH] begin callback handler, update build sequence

---
 src/auth/oauth.rs | 24 ++++++++++++++++++++++++
 src/main.rs       |  1 +
 2 files changed, 25 insertions(+)

diff --git a/src/auth/oauth.rs b/src/auth/oauth.rs
index 53685a6..5710016 100644
--- a/src/auth/oauth.rs
+++ b/src/auth/oauth.rs
@@ -108,6 +108,12 @@ pub struct LoginParams {
     handle: String,
 }
 
+#[derive(Deserialize)]
+pub struct CallbackParams {
+    code: String,
+    state: String,
+}
+
 #[axum::debug_handler]
 pub async fn login_handler(
     cookies: Cookies,
@@ -160,3 +166,21 @@ pub async fn login_handler(
 
     Ok(Redirect::temporary(&url))
 }
+
+#[axum::debug_handler]
+pub async fn callback_handler(
+    cookies: Cookies,
+    Query(params): Query<CallbackParams>,
+) -> Result<Redirect, AppError> {
+    let cookie = cookies
+        .get("pending_authorization")
+        .ok_or(anyhow::anyhow!("missing cookie"))?;
+
+    let cookie_string = cookie.value();
+
+    let cookie_bytes = BASE64_URL_SAFE_NO_PAD.decode(cookie_string)?;
+
+    let pending: PendingAuth = serde_json::from_slice(&cookie_bytes)?;
+
+    return Ok(Redirect::temporary(""));
+}
diff --git a/src/main.rs b/src/main.rs
index 276727a..279909f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,6 +9,7 @@ async fn main() {
     let app = Router::new()
         .route("/", get(|| async { "Hello from rusty-cairns" }))
         .route("/auth/login", get(login_handler))
+        .route("auth/callback", get(callback_handler))
         .layer(CookieManagerLayer::new()); //query params handled by axum
 
     let listener = tokio::net::TcpListener::bind("0.0.0.0:8080").await.unwrap();
-- 
2.51.2