chore: migrate authifier into codebase (#658)

Co-authored-by: izzy <me@insrt.uk>
Signed-off-by: Zomatree <me@zomatree.live>
Signed-off-by: izzy <me@insrt.uk>

crates/delta/src/routes/account/fetch_account.rs

@@ -0,0 +1,40 @@
+//! Fetch your account
+//! GET /account
+use revolt_database::Account;
+use rocket::serde::json::Json;
+use revolt_models::v0;
+use revolt_result::Result;
+
+/// # Fetch Account
+///
+/// Fetch account information from the current session.
+#[openapi(tag = "Account")]
+#[get("/")]
+pub async fn fetch_account(account: Account) -> Result<Json<v0::AccountInfo>> {
+    Ok(Json(account.into()))
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::{rocket, util::test::TestHarness};
+    use revolt_models::v0;
+    use rocket::http::{Header, Status};
+
+    #[rocket::async_test]
+    async fn success() {
+        let harness = TestHarness::new().await;
+        let (account, session, _) = harness.new_user().await;
+
+        let res = harness.client
+            .get("/auth/account")
+            .header(Header::new("X-Session-Token", session.token))
+            .dispatch()
+            .await;
+
+        assert_eq!(res.status(), Status::Ok);
+        assert_eq!(
+            &res.into_json::<v0::AccountInfo>().await.unwrap().id,
+            &account.id
+        );
+    }
+}