feat: support tmp token

src/api/systemlog.rs

@@ -0,0 +1,15 @@
+use crate::api::{CurrentUser, API};
+use crate::random_hasher::RandomHasher;
+use chrono::SubsecRound;
+use rocket::serde::json::{json, Value};
+use rocket::State;
+
+#[get("/systemlog")]
+pub fn get_systemlog(user: CurrentUser, rh: &State<RandomHasher>) -> API<Value> {
+    Ok(json!({
+        "tmp_token": rh.get_tmp_token(),
+        "salt": look!(rh.salt),
+        "start_time": rh.start_time.round_subsecs(0),
+        "custom_title": user.custom_title,
+    }))
+}