refactor: move ratelimits to a generic system for all web servers

crates/services/autumn/src/ratelimits.rs

@@ -0,0 +1,28 @@
+use axum::http::{request::Parts, Method};
+use revolt_ratelimits::ratelimiter::RatelimitResolver;
+
+pub struct AutumnRatelimits;
+
+impl RatelimitResolver<Parts> for AutumnRatelimits {
+    fn resolve_bucket<'a>(&self, parts: &'a Parts) -> (&'a str, Option<&'a str>) {
+        let path = parts
+            .uri
+            .path()
+            .trim_matches('/')
+            .split_terminator("/")
+            .collect::<Vec<&str>>();
+
+        match (&parts.method, path.as_slice()) {
+            (&Method::POST, &[tag]) => ("upload", Some(tag)),
+            _ => ("any", None),
+        }
+    }
+
+    fn resolve_bucket_limit(&self, bucket: &str) -> u32 {
+        match bucket {
+            "upload" => 10,
+            "any" => u32::MAX,
+            _ => unreachable!("Bucket defined but no limit set"),
+        }
+    }
+}